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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 10-K
(Mark one)
ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the fiscal year ended December 31, 2021
OR
TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the transition period from   to
Commission file number: 001-11307-01
fcx-20211231_g1.jpg
Freeport-McMoRan Inc.
(Exact name of registrant as specified in its charter)
Delaware74-2480931
(State or other jurisdiction of(I.R.S. Employer Identification No.)
incorporation or organization) 
333 North Central Avenue
PhoenixArizona85004-2189
(Address of principal executive offices)(Zip Code)
(602) 366-8100
(Registrant’s telephone number, including area code)
Securities registered pursuant to Section 12(b) of the Act:
Title of each classTrading Symbol(s)Name of each exchange on which registered
Common Stock, par value $0.10 per shareFCXThe New York Stock Exchange
Securities registered pursuant to Section 12(g) of the Act:  None
Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act  Yes No
Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act. Yes No
Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.   Yes No
Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).  Yes No                         
Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.   
Large accelerated filer
Accelerated filer
Non-accelerated filer  
Smaller reporting company
Emerging growth company
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.
Indicate by check mark whether the registrant has filed a report on and attestation to its management’s assessment of the effectiveness of its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accounting firm that prepared or issued its audit report.                          ☑
Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act).                               Yes No
The aggregate market value of common stock held by non-affiliates of the registrant was $48.6 billion on June 30, 2021.
Common stock issued and outstanding was 1,454,781,055 shares on January 31, 2022.
DOCUMENTS INCORPORATED BY REFERENCE
Portions of the registrant’s proxy statement for its 2022 annual meeting of stockholders are incorporated by reference into Part III of this report.



Freeport-McMoRan Inc.
TABLE OF CONTENTS
  
 Page
 68
  
 
Item 6. Reserved
 
  
 
  
  
  


i

Table of Contents
PART I
Items 1. and 2. Business and Properties.

All of our periodic reports filed with the United States (U.S.) Securities and Exchange Commission (SEC) pursuant to Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended, are available, free of charge, through our website, “fcx.com,” including our annual reports on Form 10-K, quarterly reports on Form 10-Q, current reports on Form 8-K and any amendments to those reports. These reports and amendments are available through our website as soon as reasonably practicable after we electronically file or furnish such material to the SEC. Our website is for information only and the contents of our website are not incorporated in, or otherwise to be regarded as part of, this Form 10-K.

References to “we,” “us” and “our” refer to Freeport-McMoRan Inc. (FCX) and its consolidated subsidiaries. References to “Notes” refer to the Notes to Consolidated Financial Statements included herein (refer to Item 8.), and references to “MD&A” refer to Management’s Discussion and Analysis of Financial Condition and Results of Operations and Quantitative and Qualitative Disclosures About Market Risk included herein (refer to Items 7. and 7A.).

GENERAL

We are a leading international mining company with headquarters in Phoenix, Arizona. We operate large, long-lived, geographically diverse assets with significant proven and probable mineral reserves of copper, gold and molybdenum. We are one of the world’s largest publicly traded copper producers. Our portfolio of assets includes the Grasberg minerals district in Indonesia, one of the world’s largest copper and gold deposits; and significant mining operations in North America and South America, including the large-scale Morenci minerals district in Arizona and the Cerro Verde operation in Peru.

Our results for 2021 reflect strong operating and financial performance, and cash flow generation. We remained focused on cost and capital management and advanced our sustainability objectives. Despite continued challenges associated with the COVID-19 pandemic, we achieved a 19 percent increase in copper sales volumes and a 59 percent increase in gold sales volumes in 2021, compared with 2020. To date, our vigilant operating protocols have been effective in mitigating and preventing a major outbreak of COVID-19 at each of our operating sites. Protecting the health of our workforce and communities where we operate is a top priority, and we continue to focus on safeguarding our business in an uncertain public health and economic environment.

We believe that we have a high-quality portfolio of long-lived copper assets positioned to generate long-term value. The ramp-up of underground mining at the Grasberg minerals district in Indonesia continues to advance on schedule, and in fourth-quarter 2021, we achieved quarterly copper and gold volumes approximating 100 percent of the projected annualized levels. Also, the Lone Star copper leach project at our Safford mine is exceeding the initial design capacity of 200 million pounds annually and produced approximately 235 million pounds of copper in 2021. During 2022, we plan to continue to advance organic growth initiatives at our operating sites, based on a favorable operational and market outlook.

During 2021, we adopted and implemented a performance-based payout framework. Refer to Item 1A. “Risk Factors,” Item 5. “Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities,” MD&A and Note 10 for further discussion.
1


Following are our ownership interests at December 31, 2021, in operating mines through our consolidated subsidiaries, Freeport Minerals Corporation (FMC) and PT Freeport Indonesia (PT-FI):
fcx-20211231_g2.jpg
a.Our economic interest in PT-FI is expected to approximate 81 percent through 2022 and 48.76 percent thereafter. Refer to Note 3 for discussion of the PT-FI divestment transaction.
b.FMC has a 72 percent undivided interest in Morenci via an unincorporated joint venture. Refer to Note 3 for further discussion.

At December 31, 2021, our estimated consolidated recoverable proven and probable mineral reserves totaled 107.2 billion pounds of copper, 27.1 million ounces of gold and 3.39 billion pounds of molybdenum. Following is the allocation of our estimated consolidated recoverable proven and probable mineral reserves at December 31, 2021, by geographic location (refer to “Mining Operations” and “Mineral Reserves” for further discussion):
CopperGoldMolybdenum
North America40 %%79 %
a
South America30 — 21 
Indonesia30 98 — 
100 %100 %100 %
a.Our Henderson and Climax molybdenum mines contain 19 percent of our estimated consolidated recoverable proven and probable molybdenum reserves, and our North America copper mines contain 60 percent.

In North America, we operate seven copper mines - Morenci, Bagdad, Safford (including Lone Star), Sierrita and Miami in Arizona, and Chino and Tyrone in New Mexico, and two molybdenum mines - Henderson and Climax in Colorado. In addition to copper, certain of our North America copper mines also produce molybdenum concentrate, gold and silver. In South America, we operate two copper mines - Cerro Verde in Peru and El Abra in Chile. In addition to copper, the Cerro Verde mine also produces molybdenum concentrate and silver. In Indonesia, PT-FI operates in the Grasberg minerals district. In addition to copper, the Grasberg minerals district also produces gold and silver.
2


Following is the allocation of our consolidated copper, gold and molybdenum production for the year 2021 by geographic location (refer to “Mining Operations” and MD&A for further information):
CopperGoldMolybdenum
North America38 %%76 %
a
South America27 — 24 
Indonesia35 99 — 
100 %100 %100 %
a.Our Henderson and Climax molybdenum mines produced 36 percent of our consolidated molybdenum production, and our North America copper mines produced 40 percent.

Copper production from three of our mines, the Morenci mine in North America, the Cerro Verde mine in Peru and the Grasberg minerals district in Indonesia, together totaled 74 percent of our consolidated copper production in 2021.

The geographic locations of our operating mines are shown on the world map below.
fcx-20211231_g3.jpg

COPPER, GOLD AND MOLYBDENUM

Following is a brief discussion of our primary natural resources - copper, gold and molybdenum. For further discussion of historical and current market prices of these commodities, refer to MD&A.

Copper
Copper is an internationally traded commodity, and its prices are determined by the major metals exchanges - the London Metal Exchange (LME), Commodity Exchange Inc. (COMEX) and Shanghai Futures Exchange. Prices on these exchanges generally reflect the worldwide balance of copper supply and demand, and can be volatile and cyclical. During 2021, the LME copper settlement price averaged $4.23 per pound, ranging from a low of $3.52 per pound to a record high of $4.86 per pound, and was $4.40 per pound on December 31, 2021.

In general, demand for copper reflects the rate of underlying world economic growth, particularly in industrial production and construction. According to Wood Mackenzie, a widely followed independent metals market consultant, copper’s end-use markets (and their estimated shares of total consumption) are construction (29 percent), electrical applications (27 percent), consumer products (22 percent), transportation (11 percent) and industrial machinery (11 percent). We believe copper will continue to be essential in these basic uses as well as contribute significantly to new technologies for clean energy, to advance communications and to enhance public health. Examples of areas we believe will require additional copper in the future include: (i) high efficiency motors, which consume up to 75 percent more copper than a standard motor; (ii) electric vehicles, which consume up to four
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times the amount of copper in terms of weight compared to vehicles of similar size with an internal combustion engine, and require copper-intensive charging station infrastructure to refuel; and (iii) renewable energy such as wind and solar, which consume four to five times the amount of copper compared to traditional fossil fuel generated power.

Gold
Gold is used for jewelry, coinage and bullion as well as various industrial and electronic applications. Gold can be readily sold on numerous markets throughout the world. Benchmark prices are generally based on London Bullion Market Association (London) quotations. During 2021, the London PM gold price averaged $1,799 per ounce, ranging from a low of $1,684 per ounce to a high of $1,943 per ounce, and was $1,806 per ounce on December 30, 2021 (there was no London PM gold price quote on December 31, 2021).

Molybdenum
Molybdenum is a key alloying element in steel and the raw material for several chemical-grade products used in catalysts, lubrication, smoke suppression, corrosion inhibition and pigmentation. Molybdenum, as a high-purity metal, is also used in electronics such as flat-panel displays and in super alloys used in aerospace. Reference prices for molybdenum are available in several publications, including Metals Week, CRU Report and Metal Bulletin. During 2021, the weekly average price of molybdenum quoted by Metals Week averaged $15.92 per pound, ranging from a low of $10.09 per pound to a high of $20.01 per pound, and was $18.70 per pound on December 31, 2021.

PRODUCTS AND SALES

Our consolidated revenues for 2021 primarily included sales of copper (80 percent), gold (11 percent) and molybdenum (6 percent). Copper concentrate sales to PT Smelting (PT-FI’s 39.5-percent-owned copper smelter and refinery in Gresik, Indonesia) totaled 14 percent of our consolidated revenues for the year ended December 31, 2021, 12 percent for the year ended December 31, 2020, and 13 percent for the year ended December 31, 2019, which is the only customer that accounted for 10 percent or more of our consolidated revenues during the three years ended December 31, 2021. Refer to Note 16 for a summary of our consolidated revenues and operating income (loss) by business segment and geographic area.

Copper Products
We are one of the world’s leading producers of copper concentrate, cathode and continuous cast copper rod. During 2021, 59 percent of our mined copper was sold in concentrate, 21 percent as cathode and 20 percent as rod from our North America operations. The copper ore from our mines is generally processed either by smelting and refining or by solution extraction and electrowinning (SX/EW) as described below.

Copper Concentrate. We produce copper concentrate at six of our mines in which mined ore is crushed and treated to produce a copper concentrate with copper content of approximately 20 to 30 percent. In North America, copper concentrate is produced at the Morenci, Bagdad, Sierrita and Chino mines, and a significant portion is shipped to our Miami smelter in Arizona for further processing. Copper concentrate is also produced at the Cerro Verde mine in Peru and the Grasberg minerals district in Indonesia.

Copper Cathode. We produce copper cathode at our electrolytic refinery located in El Paso, Texas, and at nine of our mines. 

SX/EW cathode is produced from the Morenci, Bagdad, Safford, Sierrita, Miami, Chino and Tyrone mines in North America, and from the Cerro Verde and El Abra mines in South America. For ore subject to the SX/EW process, the ore is placed on stockpiles and copper is extracted from the ore by dissolving it with a weak sulfuric acid solution. The copper content of the solution is increased in two additional SX stages, and then the copper-bearing solution undergoes an EW process to produce cathode that is, on average, 99.99 percent copper. Our copper cathode is used as the raw material input for copper rod, brass mill products and for other uses.

Copper cathode is also produced at Atlantic Copper (our wholly owned copper smelting and refining unit in Spain) and PT Smelting. Copper concentrate is smelted (i.e., subjected to extreme heat) to produce copper anode, which weighs between 800 and 900 pounds and has an average copper content of 99.5 percent. The anode is further treated by electrolytic refining to produce copper cathode, which weighs between 100 and 350 pounds and has an average copper content of 99.99 percent. Refer to “Mining Operations - Smelting Facilities and Other Mining Properties” for further discussion of Atlantic Copper and PT Smelting.
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Continuous Cast Copper Rod. We manufacture continuous cast copper rod at our facilities in El Paso, Texas and Miami, Arizona, primarily using copper cathode produced at our North America copper mines.

Copper Sales
North America. The majority of the copper produced at our North America copper mines and refined in our El Paso, Texas refinery is consumed at our rod plants to produce copper rod which is sold to wire and cable manufacturers. The remainder of our North America copper production is sold in the form of copper cathode or copper concentrate under U.S. dollar-denominated annual contracts. Cathode and rod contract prices are generally based on the prevailing COMEX monthly average settlement price for the month of shipment and include a premium. Generally, copper cathode is sold to rod, brass or tube fabricators. During 2021, 23 percent of our North America mines’ copper concentrate sales volumes were shipped to Atlantic Copper for smelting and refining and sold as copper anode and copper cathode by Atlantic Copper.

South America. Production from our South America mines is sold as copper concentrate or copper cathode under U.S. dollar-denominated, annual and multi-year contracts. During 2021, our South America mines sold approximately 75 percent of their copper production in concentrate and 25 percent as cathode. During 2021,
5 percent of our South America mines’ copper concentrate sales volumes were shipped to Atlantic Copper for smelting and refining and sold as copper anode and copper cathode by Atlantic Copper.

Substantially all of our South America copper concentrate and cathode sales contracts provide final copper pricing in a specified future month (generally one to four months from the shipment date) primarily based on quoted LME monthly average settlement copper prices. Revenues from our South America concentrate sales are recorded net of royalties and treatment charges (i.e., fees paid to smelters that are generally negotiated annually). In addition, because a portion of the metals contained in copper concentrate is unrecoverable from the smelting process, revenues from our South America concentrate sales are also recorded net of allowances for unrecoverable metals, which are a negotiated term of the contracts and vary by customer.

Indonesia. PT-FI sells its production in the form of copper concentrate, which contains significant quantities of gold and silver, primarily under U.S. dollar-denominated, long-term contracts. PT-FI also sells a small amount of copper concentrate in the spot market. Following is a summary of PT-FI’s aggregate percentage of concentrate sales to unaffiliated third parties, PT Smelting and Atlantic Copper for the years ended December 31:
 202120202019
Third parties55 %48 %34 %
PT Smelting41 50 64 
Atlantic Copper
 100 %100 %100 %

Substantially all of PT-FI’s concentrate sales contracts provide final copper pricing in a specified future month (generally one to four months from the shipment date) primarily based on quoted LME monthly average settlement copper prices. Revenues from PT-FI’s concentrate sales are recorded net of royalties, export duties, treatment charges and allowances for unrecoverable metals.

Refer to Item 1A. “Risk Factors” for discussion of Indonesia regulations regarding PT-FI’s concentrate exports.

Gold Products and Sales
We produce gold almost exclusively from the Grasberg minerals district. The gold we produce is primarily sold as a component of our copper concentrate or in slimes, which are a product of the smelting and refining process. Gold generally is priced at the average London price for a specified month near the month of shipment. Revenues from gold sold as a component of our copper concentrate are recorded net of treatment charges, royalties, export duties and allowances for unrecoverable metals. Revenues from gold sold in slimes are recorded net of refining charges.

Molybdenum Products and Sales
We are the world’s largest producer of molybdenum and molybdenum-based chemicals. In addition to production from the Henderson and Climax molybdenum mines, we produce molybdenum concentrate at certain of the North America copper mines and the Cerro Verde copper mine in Peru. The majority of our molybdenum concentrate is processed in our own conversion facilities. Our molybdenum sales are primarily priced based on the average published Metals Week price for the month prior to the month of shipment.
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GOVERNMENTAL REGULATIONS

Our operations are subject to a broad range of laws and regulations imposed by governments and regulatory bodies, both in the U.S. and internationally. These regulations touch all aspects of our operations, including how we extract, process and explore for minerals and how we conduct our business, including regulations governing matters such as environmental and reclamation matters, mining rights, climate change, occupational health and safety and human rights.

Environmental and Reclamation Matters

Our operations are subject to extensive and complex laws and regulations, including environmental laws and regulations governing the generation, storage, treatment, transportation and disposal of hazardous substances; solid waste disposal; air emissions; wastewater discharges; remediation, restoration and reclamation of environmental contamination, including mine closures and reclamation; protection of endangered and threatened species and designation of critical habitats; and other related matters. In addition, we must obtain regulatory permits and approvals to start, continue and expand operations. As a mining company, compliance with environmental, health and safety laws and regulations is an integral and costly part of our business. We conduct our operations in a manner that aims to protect public health and the environment, and we believe our operations are in compliance with applicable laws and regulations in all material respects.
Laws such as the Comprehensive Environmental Response, Compensation and Liability Act of 1980, as amended (CERCLA) and similar state laws may expose us to joint and several liability for environmental damages caused by our operations, or by previous owners or operators of properties we acquired or are currently operating or at sites where we previously sent materials for processing, recycling or disposal. We have substantial obligations for environmental remediation on mining properties previously owned or operated by FMC and certain of its affiliates. At December 31, 2021, we had $1.7 billion recorded in our consolidated balance sheet for environmental obligations attributable to CERCLA or analogous state programs and for estimated future costs associated with environmental matters at closed facilities or closed portions of operating facilities.

We are required by U.S. federal and state laws and regulations to provide financial assurance sufficient to allow a third party to implement approved closure and reclamation plans for our mining properties if we are unable to do so. Most of our financial assurance obligations are imposed by state laws that vary significantly by jurisdiction, depending on how each state regulates land use and groundwater quality. The U.S. Environmental Protection Agency (EPA) and state agencies may also require financial assurance for investigation and remediation actions that are required under settlements of enforcement actions under CERCLA or similar state laws.

Regulations have been considered at various governmental levels to increase financial responsibility requirements both for mine closure and reclamation. In 2019, legislation was enacted in Colorado that eliminates our ability to use parent company guarantees, and requires proof of an end date for water treatment as a condition of permit issuance authorizing mining operations, with some exceptions for existing operations. In 2018, EPA concluded a rulemaking that considered the need for financial responsibility for hardrock mining operations under CERCLA by publishing its determination that it did not intend to require financial responsibility for the hardrock mining industry sector. In 2019, the D.C. Circuit upheld the EPA’s decision. In connection with the Presidential Executive Order issued on January 20, 2021, EPA will review this final action, though the timing of its review is unknown.

Our mining operations are also subject to regulations under the Endangered Species Act (ESA) that are intended to protect species listed by the Department of Interior’s Fish & Wildlife Service (FWS) as endangered or threatened, along with critical habitat designated by FWS for these listed species. The regulations limit the ability of landowners, including us, to obtain federal permits or authorizations needed for expansion of our operations, and may also affect our ability to obtain, retain or deliver water to some operations. On October 26, 2021, FWS published two proposed rules that rescind changes made in 2019 and 2020 to mitigate potential regulatory constraints on mining operations under the ESA.

New or revised environmental regulatory requirements are frequently proposed, many of which result in substantially increased costs for our business, including those regarding financial assurance above and in Item 1A. “Risk Factors.” For example, our Miami, Arizona, smelter processes a significant portion of the copper concentrate produced by our North America copper mines. EPA is currently in the process of revising the standards for hazardous air pollutants from primary copper smelters, which could impose additional requirements on our operations. We may be required to modify our systems or install additional equipment to address findings, new
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requirements or for other reasons, which could result in significant costs, including increased capital expenditures and operating costs, and could adversely impact our business.

EPA and state agencies continue to consider regulations for man-made organic compounds that could be present in soil, groundwater and surface water at our existing and former operations. These regulations may include drinking water standards, hazardous waste requirements, and hazardous substance designations for Perfluorooctanesulfonic and Perfluorooctanoic acids. EPA is also considering how to reduce lead exposure in the environment under multiple environmental programs. Certain federal and state health agencies also support more stringent lead cleanup levels. The timing for these EPA activities is unclear, but reduction in lead cleanup levels could result in material increases to our environmental reserves for ongoing residential property cleanup projects near former smelter sites.

EPA and the Department of the Army (together, the Agencies) continue to consider whether and how to regulate remote “tributaries” under the regulatory definition of “waters of the United States” that are protected by the Clean Water Act. These requirements can impose significant additional restrictions on land uses in remote areas with only tenuous connections to active waterways. Regulations adopted by the Agencies in 2015, 2019 and 2020 governing “waters of the United States” have been challenged by multiple states and industry parties and litigation on all three final rules is ongoing. Most recently, a federal district court in Arizona vacated and remanded the regulations that became effective in 2020, and the Agencies subsequently published a proposed rule on December 7, 2021, that announced they will revert back to regulations in place prior to 2015. These rules define whether we need federal authorization under the Clean Water Act to expand our operations.

We incurred environmental capital expenditures and other environmental costs (including our joint venture partners’ shares) to comply with applicable environmental laws and regulations that affect our operations totaling $0.3 billion in both 2021 and 2020 and $0.4 billion in 2019. For 2022, we expect to incur approximately $0.5 billion of aggregate environmental capital expenditures and other environmental costs. The timing and amounts of estimated payments could change as a result of changes in regulatory requirements, changes in scope and costs of reclamation activities, the settlement of environmental matters and the rate at which actual spending occurs on continuing matters.

For information about environmental regulation, litigation and related costs, refer to Item 1A. “Risk Factors” and Notes 1 and 12.

Mining Rights

We conduct our mining and exploration activities pursuant to concessions granted by, or under contracts with, the host government in the countries where we operate. These countries include, among others, the U.S., Peru, Chile and Indonesia. Mining rights include our license to operate and involve our payment of applicable taxes and royalties to the host governments. The concessions and contracts are subject to the political risks associated with the host countries. For information about mining rights, including laws and regulations applicable to PT-FI, governmental agreements and licenses to operate, refer to “Mining Operations” below, Item 1A. “Risk Factors” and Notes 3, 11, 12 and 13.

Climate Change

In many of the jurisdictions in which we operate, governmental bodies are increasingly enacting legislation and regulations in response to the potential impacts of climate change. For example, as a result of the 2015 Paris Agreement, a number of governments have pledged “Nationally Determined Contributions” to control and reduce greenhouse gas emissions, including the U.S. Additionally, the recent pledges made as part of the 2021 Glasgow Climate Pact could result in further policy changes in many of the jurisdictions in which we operate. Further, several states in the U.S., including Colorado and New Mexico, have advanced goals reducing or eliminating fossil fuel-based energy production. Carbon tax legislation also has been adopted in jurisdictions where we operate, including Indonesia, and we expect that such carbon taxes and other carbon pricing mechanisms will increase over time. We anticipate that we will dedicate more resources and money to comply and remediate in response to legislative or regulatory changes, and our ability to modify our operations to avoid these costs may be limited in the near term. However, it is not yet possible to reasonably estimate the nature, extent, timing and cost or other impacts of any future carbon pricing mechanisms, other climate change regulatory programs or future legislative action that may be enacted.

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For information about the potential impacts of climate change and related regulations, refer to Item 1A. “Risk Factors.”

Health and Safety

The safety and health of our workforce is our highest priority. Management believes that safety and health considerations are integral to, and compatible with, all other functions in the organization and that proper safety and health management will enhance production and reduce costs. We are subject to extensive regulation of worker health and safety, including the requirements of the U.S. Occupational Safety and Health Act and similar laws of other jurisdictions. In the U.S., the operation of our mines is subject to regulation by the U.S. Mine Safety and Health Administration (MSHA) under the Federal Mine Safety and Health Act of 1977 (Mine Act). MSHA inspects our mines on a regular basis and issues citations and orders when it believes a violation has occurred under the Mine Act. Additionally, in the U.S. various state agencies have concurrent jurisdiction arising under state law that regulate worker health and safety in both our industrial facilities and mines. If regulatory inspections result in an alleged violation, we may be subject to fines and penalties and, in instances of alleged significant violations, our mining operations or industrial facilities could be subject to temporary or extended closures. Refer to Exhibit 95.1 to this Form 10-K for additional information regarding certain orders and citations issued by MSHA for our operations during the year ended December 31, 2021. For information about health and safety, refer to “Human Capital” below and Item 4. “Mine Safety Disclosures.”

Human Rights

We have adopted policies that govern our working relationships with the communities and governments where we operate and that are designed to guide our practices and programs in a manner that respects human rights and the culture of the local people impacted by our operations. For information about human rights, refer to “Community and Human Rights” below.

COMPETITION

The top 10 producers of copper comprise approximately 43 percent of total worldwide mined copper production. For the year 2021, we ranked second among those producers, with approximately seven percent of estimated total worldwide mined copper production. Our competitive position is based on the size, quality and grade of our ore bodies and our ability to manage costs compared with other producers. We have a diverse portfolio of mining operations with varying ore grades and cost structures. Our costs are driven by the location, grade and nature of our ore bodies, and the level of input costs, including energy, labor and equipment. The metals markets are cyclical, and our ability to maintain our competitive position over the long term is based on our ability to acquire and develop quality deposits, hire and retain a skilled workforce, and to manage our costs.

MINING OPERATIONS

The Copper Mark
We are committed to validating all of our copper producing sites, including our mines and smelting and refining facilities, with the Copper Mark, a comprehensive assurance framework designed to demonstrate the copper industry’s responsible production practices. To achieve the Copper Mark, each site is required to complete an external assurance process to assess conformance with 32 environmental, social and governance requirements. As of December 31, 2021, we had a total of seven sites that had been validated (Bagdad, Morenci, Miami, El Paso, Cerro Verde, El Abra and Atlantic Copper), and we have commenced the Copper Mark assessment process at four additional sites in North America (Chino, Tyrone, Safford and Sierrita).

Tailings Management
Our tailings management and stewardship program, which involves qualified external Engineers of Record and periodic oversight by independent tailings Technical Review Boards and our Tailings Stewardship Team, complies with the tailings governance framework on preventing catastrophic failure of tailings storage facilities adopted in December 2016 by the International Council on Mining and Metals (ICMM), an industry group of which we are a founding member, and required to be implemented by ICMM members. In August 2020, the co-conveners of the Global Tailings Review, which included ICMM, published the Global Industry Standard on Tailings Management (the Tailings Standard). The Tailings Standard includes 77 requirements across 6 key areas including the design, construction, operation and monitoring of tailings facilities, management and governance, emergency response and long-term recovery, and public disclosure. As a member of ICMM, we are committed to implementation of the
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Tailings Standard by August 2023 for priority tailings storage facilities and by August 2025 for our remaining facilities, in line with the Tailings Standard requirements/commitments.

Overview of Mines
Following are maps and descriptions of our mining operations in North America (including both copper and molybdenum operations), South America and Indonesia. We consider our material mines, as defined under the disclosure requirements of Subpart 1300 of Regulation S-K (S-K 1300), to be the Morenci mine in North America, the Cerro Verde mine in Peru and the Grasberg minerals district in Indonesia. Refer to Exhibits 96.1, 96.2 and 96.3 for the Technical Report Summaries that have been prepared for our material mines in support of the disclosure and filing requirements of the SEC under S-K 1300.

North America
In the U.S., most of the land occupied by our copper and molybdenum mines, concentrators, SX/EW facilities, smelter, refinery, rod mills, molybdenum roasters and processing facilities is owned by us or is located on unpatented mining claims owned by us. Certain portions of our Bagdad, Sierrita, Miami, Chino, Tyrone, Henderson and Climax operations are located on government-owned land and are operated under a Mine Plan of Operations or other use permit. We hold various federal and state permits or leases on government land for purposes incidental to mine operations.

Morenci
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We own a 72 percent undivided interest in Morenci, with the remaining 28 percent owned by Sumitomo Metal Mining Arizona, Inc. (15 percent) and SMM Morenci, Inc. (13 percent). Each partner takes in kind its share of Morenci’s production.

Morenci is an open-pit copper mining complex that has been in continuous operation since 1939 and previously was mined through underground workings. In the 1880s, Phelps Dodge & Company (Phelps Dodge) first invested in the
area, and through acquisition, consolidated all mining operations in the area by the 1920s. Phelps Dodge was acquired by FCX in 2007. Morenci is located in Greenlee County, Arizona, approximately 50 miles northeast of Safford on U.S. Highway 191. The property is located at latitude 33.07 degrees north and longitude 109.35 degrees
west using the World Geodetic System (WGS) 84 coordinate system. The site is accessible by a paved highway and a railway spur.

The Morenci mine is a porphyry copper deposit that has oxide, secondary sulfide and primary sulfide mineralization. The predominant oxide copper mineral is chrysocolla. Chalcocite is the most important secondary copper sulfide mineral, with chalcopyrite as the dominant primary copper sulfide.

The Morenci operation consists of two concentrators with a milling design capacity of 132,000 metric tons of ore per day, which produce copper and molybdenum concentrate; a 72,500 metric ton-per-day, crushed-ore leach pad and stacking system; a low-grade run-of-mine (ROM) leaching system; four SX plants; and three EW tank houses that produce copper cathode. Total EW tank house capacity is approximately 900 million pounds of copper per year. Morenci’s available mining fleet consists of one hundred and fifty-four 236-metric-ton haul trucks loaded by 13 electric shovels with bucket sizes ranging from 47 to 57 cubic meters. Morenci’s mining fleet is capable of moving an average of 815,000 metric tons of material per day. One of Morenci’s concentrators, which has a milling capacity of approximately 50,000 metric tons of ore per day was restarted in July 2021 after being on care and maintenance
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status and is expected to resume operating at full capacity in early 2022. Our share of Morenci's net property, plant, equipment and mine development costs at December 31, 2021, totaled $1.9 billion.

Morenci’s production, including our joint venture partners’ share, totaled 0.9 billion pounds of copper and 5 million pounds of molybdenum in 2021, 1.0 billion pounds of copper and 6 million pounds of molybdenum in 2020, and 1.0 billion pounds of copper and 5 million pounds of molybdenum in 2019.

Morenci is located in a desert environment with rainfall averaging 13 inches per year. The highest bench elevation is 1,900 meters above sea level and the ultimate pit bottom is expected to have an elevation of 780 meters above sea level. The Morenci operation encompasses approximately 61,700 acres, comprising 51,300 acres of fee lands and 10,400 acres of unpatented mining claims held on public mineral estate and numerous state or federal permits, easements and rights-of-way.

The Morenci operation’s electrical power is supplied by our wholly owned subsidiary, Morenci Water and Electric Company (MW&E). MW&E sources its generation services through our wholly owned subsidiary, Freeport-McMoRan Energy Services, through capacity rights at the Luna Energy Facility in Deming, New Mexico, and other power purchase agreements. Although we believe the Morenci operation has sufficient water sources to support current operations, we are a party to litigation that may impact our water right claims or rights to continued use of currently available water supplies, which could adversely affect our water supply for the Morenci operation. Refer to “Governmental Regulations” above, Item 1A. “Risk Factors” and Item 3. “Legal Proceedings” for further discussion.

Bagdad
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Our wholly owned Bagdad mine is an open-pit copper and molybdenum mining complex located in Yavapai County in west-central Arizona. It is approximately 60 miles west of Prescott and 100 miles northwest of Phoenix. The property can be reached by U.S. Highway 93 to State Route 97 or Arizona Highway 96, which ends at the town of Bagdad. The closest railroad is at Hillside, Arizona, 24 miles southeast on Arizona Highway 96. The open-pit mining operation has been ongoing since 1945, and prior mining was conducted through underground workings.

The Bagdad mine is a porphyry copper deposit containing both sulfide and oxide mineralization. Chalcopyrite and molybdenite are the dominant primary sulfides and are the primary economic minerals in the mine. Chalcocite is the most common secondary copper sulfide mineral, and the predominant oxide copper minerals are chrysocolla, malachite and azurite.

The Bagdad operation consists of a concentrator with a milling design capacity of 77,100 metric tons of ore per day that produces copper and molybdenum concentrate, a SX/EW plant that can produce approximately 6 million pounds per year of copper cathode from solution generated by low-grade stockpile leaching, and a pressure-leach plant to process molybdenum concentrate. The available mining fleet consists of thirty-two 235-metric-ton haul trucks loaded by eight electric shovels with bucket sizes ranging from 30 to 48 cubic meters, which are capable of moving an average of 236,000 metric tons of material per day. Bagdad’s net property, plant, equipment and mine development costs at December 31, 2021, totaled $618 million. We are evaluating an expansion to potentially double concentrate capacity at our Bagdad operation.

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Bagdad’s production totaled 184 million pounds of copper and 9 million pounds of molybdenum in 2021, 216 million pounds of copper and 11 million pounds of molybdenum in 2020, and 218 million pounds of copper and 13 million pounds of molybdenum in 2019.

Bagdad is located in a desert environment with rainfall averaging 15 inches per year. The highest bench elevation is 1,200 meters above sea level and the ultimate pit bottom is expected to be 150 meters above sea level. The Bagdad operation encompasses approximately 51,200 acres, comprising 40,000 acres of fee lands and 11,200 acres of unpatented mining claims held on public mineral estate and numerous state or federal permits, easements and rights-of-ways.

Bagdad receives electrical power from Arizona Public Service Company. We believe the Bagdad operation has sufficient water sources to support current operations.

Safford, including Lone Star
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Our wholly owned Safford mine has been in operation since 2007 and is an open-pit copper mining complex located in Graham County, Arizona, 8 miles north of the town of Safford and 170 miles east of Phoenix. The site is accessible by paved county road off U.S. Highway 70.

The Safford mine includes three copper deposits that have oxide mineralization overlaying primary copper sulfide mineralization. The predominant oxide copper minerals are chrysocolla and copper-bearing iron oxides with the predominant copper sulfide material being chalcopyrite. The only Safford deposit currently being mined is the Lone Star copper leach project, which began operations in the second half of 2020 and produced approximately 235 million pounds of copper in 2021. We continue to advance opportunities to increase Lone Star operating rates and are advancing plans to increase volumes to achieve 300 million pounds of copper per year from oxide ores. The oxide project advances the opportunity for development of the large-scale sulfide resources at Lone Star. We are increasing exploration in the area to support metallurgical testing and mine development planning for a potential long-term investment in a concentrator.

Safford is a mine-for-leach operation that produces copper cathode. The operation consists of three open pits, of which one (Lone Star) is currently being mined, feeding a crushing facility with a design capacity of 103,500 metric tons of ore per day. The crushed ore is delivered to a leach pad by a series of overland and portable conveyors. Leach solutions feed a SX/EW facility with a capacity of 305 million pounds of copper per year. A sulfur burner plant is also in operation at Safford, providing a cost-effective source of sulfuric acid used in SX/EW operations. The available mining fleet consists of forty-two 235-metric-ton haul trucks loaded by six electric shovels with bucket sizes ranging from 34 to 47 cubic meters, which are capable of moving an average of 358,000 metric tons of material per day. Safford’s net property, plant, equipment and mine development costs at December 31, 2021, totaled $1.2 billion.

Safford’s copper production totaled 265 million pounds in 2021, 161 million pounds in 2020 and 110 million pounds in 2019.

Safford is located in a desert environment with rainfall averaging 10 inches per year. The highest bench elevation is 1,783 meters above sea level and the ultimate pit bottom is expected to have an elevation of 823 meters above sea level. The Safford operation encompasses approximately 78,300 acres, comprising 37,700 acres of fee lands and 40,600 acres of unpatented claims held on public mineral estate.
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The Safford operation’s electrical power is primarily sourced from Tucson Electric Power Company, Arizona Public Service Company and the Luna Energy facility. Although we believe the Safford operation has sufficient water sources to support current operations, we are a party to litigation that may impact our water right claims or rights to continued use of currently available water supplies, which could adversely affect our water supply for the Safford operation. Refer to “Governmental Regulations” above, Item 1A. “Risk Factors” and Item 3. “Legal Proceedings” for further discussion.

Sierrita
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Our wholly owned Sierrita mine has been in operation since 1959 and is an open-pit copper and molybdenum mining complex located in Pima County, Arizona, approximately 20 miles southwest of Tucson and 7 miles west of the town of Green Valley and Interstate Highway 19. The site is accessible by a paved highway and by rail.

The Sierrita mine is a porphyry copper deposit that has oxide, secondary sulfide and primary sulfide mineralization. The predominant oxide copper minerals are malachite, azurite and chrysocolla. Chalcocite is the most important secondary copper sulfide mineral, and chalcopyrite and molybdenite are the dominant primary sulfides.

The Sierrita operation includes a concentrator with a milling design capacity of 100,000 metric tons of ore per day that produces copper and molybdenum concentrate. Sierrita also produces copper from a ROM oxide-leaching system. Cathode copper is plated at the Twin Buttes EW facility, which has a design capacity of approximately 50 million pounds of copper per year. The Sierrita operation also has molybdenum facilities consisting of a leaching circuit, two molybdenum roasters and a packaging facility. The molybdenum facilities process molybdenum concentrate produced by Sierrita, from our other mines and from third-party sources. The available mining fleet consists of twenty-four 235-metric-ton haul trucks loaded by three electric shovels with bucket sizes ranging from 34 to 56 cubic meters, which are capable of moving an average of 175,000 metric tons of material per day. Sierrita’s net property, plant, equipment and mine development costs at December 31, 2021, totaled $722 million.

Sierrita’s production totaled 189 million pounds of copper and 21 million pounds of molybdenum in 2021, 178 million pounds of copper and 17 million pounds of molybdenum in 2020, and 160 million pounds of copper and 16 million pounds of molybdenum in 2019.

Sierrita is located in a desert environment with rainfall averaging 14.5 inches per year. The highest bench elevation is 1,300 meters above sea level and the ultimate pit bottom is expected to be 410 meters above sea level. The Sierrita operation, including the adjacent Twin Buttes site, encompasses approximately 47,600 acres, comprising 38,700 acres of fee lands including split estate lands and 8,900 acres of unpatented mining claims held on public mineral estate.

Sierrita receives electrical power through long-term contracts with the Tucson Electric Power Company. Although we believe the Sierrita operation has sufficient water sources to support current operations, we are a party to litigation that may impact our water rights claims or rights to continued use of currently available water supplies, which could adversely affect our water supply for the Sierrita operation. Refer to “Governmental Regulations” above, Item 1A. “Risk Factors” and Item 3. “Legal Proceedings” for further discussion.

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Miami
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Our wholly owned Miami mine is an open-pit copper mining complex located in Gila County, Arizona, 90 miles east of Phoenix and 6 miles west of the city of Globe on U.S. Highway 60. The site is accessible by a paved highway and by rail.

The Miami mine is a porphyry copper deposit that has leachable oxide and secondary sulfide mineralization. The predominant oxide copper minerals are chrysocolla, copper-bearing clays, malachite and azurite. Chalcocite and covellite are the most important secondary copper sulfide minerals.

Since about 1915, the Miami mining operation had processed copper ore using both flotation and leaching technologies. The design capacity of the SX/EW plant is 200 million pounds of copper per year. Miami is no longer mining ore, but currently produces copper through leaching material already placed on stockpiles, which is currently expected to continue through at least 2025. Miami’s net property, plant, equipment and mine development costs
at December 31, 2021, totaled $4 million.

Miami’s copper production totaled 12 million pounds in 2021, 17 million pounds in 2020 and 15 million pounds in 2019.

Miami is located in a desert environment with rainfall averaging 18 inches per year. The highest bench elevation is 1,390 meters above sea level and mining advanced the pit bottom to an elevation of 810 meters above sea level. Subsequent sloughing of material into the pit has filled it back to an elevation estimated to be 900 meters above sea level. The Miami operation encompasses approximately 14,700 acres, comprising 10,400 acres of fee lands and 4,300 acres of unpatented mining claims held on public mineral estate.

Miami receives electrical power through long-term contracts with the Salt River Project and natural gas through long-term contracts with El Paso Natural Gas as the transporter. We believe the Miami operation has sufficient water sources to support current operations. Refer to “Governmental Regulations” above and Item 1A. “Risk Factors” for further discussion.

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Chino and Tyrone
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Chino
Our wholly owned Chino mine, which has been in operation since 1910, is an open-pit copper mining complex located in Grant County, New Mexico, approximately 15 miles east of the town of Silver City off of State Highway 180. The mine is accessible by paved roads and by rail.

The Chino mine is a porphyry copper deposit with adjacent copper skarn deposits. There is leachable oxide, secondary sulfide and millable primary sulfide mineralization. The predominant oxide copper mineral is chrysocolla. Chalcocite is the most important secondary copper sulfide mineral, and chalcopyrite and molybdenite the dominant primary sulfides.

The Chino operation consists of a concentrator with a milling design capacity of 36,000 metric tons of ore per day that produces copper concentrate, and a 150 million pound-per-year SX/EW plant that produces copper cathode from solution generated by ROM leaching. The available mining fleet consists of twenty-five 240-metric-ton haul trucks loaded by three electric shovels with bucket sizes ranging from 31 to 48 cubic meters, which are capable of moving an average of 180,000 metric tons of material per day. Chino’s net property, plant, equipment and mine development costs at December 31, 2021, totaled $491 million.

In April 2020, operations at Chino were suspended in connection with our revised operating plans in response to the COVID-19 pandemic. During first-quarter 2021, we restarted mining activities at the Chino mine at a reduced rate of approximately 100 million pounds of copper per year (approximately 50 percent capacity). Chino’s copper production totaled 124 million pounds in 2021, 92 million pounds in 2020 and 175 million pounds in 2019.

Chino is located in a desert environment with rainfall averaging 16 inches per year. The highest bench elevation is 2,250 meters above sea level and the ultimate pit bottom is expected to be 1,508 meters above sea level. The Chino operation encompasses approximately 122,800 acres, comprising 109,000 acres of fee lands and 13,800 acres of unpatented mining claims held on public mineral estate.

Chino receives electrical power from the Luna Energy facility and from the open market. We believe the Chino operation has sufficient water resources to support current operations. Refer to “Governmental Regulations” above and Item 1A. “Risk Factors” for further discussion.

Tyrone
Our wholly owned Tyrone mine is an open-pit copper mining complex and has been in operation since 1967. It is located in Grant County, New Mexico, 10 miles south of Silver City, New Mexico, along State Highway 90. The site is accessible by paved road and by rail.

The Tyrone mine is a porphyry copper deposit. Mineralization is predominantly secondary sulfide consisting of chalcocite, with leachable oxide mineralization consisting of chrysocolla.

Copper processing facilities consist of a SX/EW operation with a maximum capacity of approximately 100 million pounds of copper cathode per year. The available mining fleet consists of nine 240-metric-ton haul trucks loaded by one electric shovel with a bucket size of 47 cubic meters, which is capable of moving an average of 108,000 metric tons of material per day. Tyrone’s net property, plant, equipment and mine development costs at December 31, 2021, totaled $90 million.
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Tyrone’s copper production totaled 55 million pounds in 2021, 45 million pounds in 2020 and 48 million pounds in 2019.

Tyrone is located in a desert environment with rainfall averaging 16 inches per year. The highest bench elevation is 2,070 meters above sea level and the ultimate pit bottom is expected to have an elevation of 1,475 meters above sea level. The Tyrone operation encompasses approximately 80,700 acres, comprising 67,700 acres of fee lands and 13,000 acres of unpatented mining claims held on public mineral estate.

Tyrone receives electrical power from the Luna Energy facility and from the open market. We believe the Tyrone operation has sufficient water resources to support current operations. Refer to “Governmental Regulations” above and Item 1A. “Risk Factors” for further discussion.

Henderson and Climax
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Henderson
Our wholly owned Henderson molybdenum mine has been in operation since 1976 and is located 42 miles west of Denver, Colorado, off U.S. Highway 40. Nearby communities include the towns of Empire, Georgetown and Idaho Springs. The Henderson mill site is located 15 miles west of the mine and is accessible from Colorado State Highway 9. The Henderson mine and mill are connected by a 10-mile conveyor tunnel under the Continental Divide and an additional five-mile surface conveyor. The tunnel portal is located five miles east of the mill.

The Henderson mine is a porphyry molybdenum deposit, with molybdenite as the primary sulfide mineral.

The Henderson operation consists of a block-cave underground mining complex feeding a concentrator with a design capacity of approximately 32,000 metric tons per day. Henderson has the capacity to produce approximately 15 million pounds of molybdenum per year. The majority of the molybdenum concentrate produced is shipped to our Fort Madison, Iowa, processing facility. The available underground mining equipment fleet consists of fifteen 9-metric-ton load-haul-dump (LHD) units and seven 73-metric-ton haul trucks, which deliver ore to a gyratory crusher feeding a series of three overland conveyors to the mill stockpiles. Henderson’s net property, plant, equipment and mine development costs at December 31, 2021, totaled $265 million.

Henderson’s molybdenum production totaled 12 million pounds in 2021, 10 million pounds in 2020 and 12 million pounds in 2019.

The Henderson mine is located in a mountainous region with the main access shaft at 3,180 meters above sea level. The main production levels are currently at elevations of 2,200 and 2,350 meters above sea level. This region experiences significant snowfall during the winter months.

The Henderson mine and mill operations encompass approximately 17,200 acres, comprising 13,000 acres of fee lands, 4,200 acres of unpatented mining claims held on public mineral estate and a 50-acre easement with the U.S. Forest Service for the surface portion of the conveyor corridor.

Henderson operations receive electrical power through long-term contracts with Xcel Energy and natural gas through long-term contracts with Encore Energy (with Xcel Energy as the transporter). We believe the Henderson operation has sufficient water resources to support current operations. Refer to “Governmental Regulations” above and Item 1A. “Risk Factors” for further discussion.
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Climax
Our wholly owned Climax mine is located 13 miles northeast of Leadville, Colorado, off Colorado State Highway 91 at the top of Fremont Pass. The mine is accessible by paved roads. The mine was placed on care and maintenance status by its previous owner in 1995 and, after being acquired by us, began commercial production in 2012.

The Climax ore body is a porphyry molybdenum deposit, with molybdenite as the primary sulfide mineral.

The Climax open-pit mine includes a 25,000 metric tons of ore per day mill facility. Climax has the capacity to produce approximately 30 million pounds of molybdenum per year. The available mining fleet consists of eleven 177-metric-ton haul trucks loaded by two hydraulic shovels with bucket sizes of 34 cubic meters, which are capable of moving an average of 90,000 metric tons of material per day. Climax’s net property, plant, equipment and mine development costs at December 31, 2021, totaled $1.2 billion.

In April 2020, because of the decline in market prices of molybdenum, we revised our near-term operating plans, which included a reduction in production of molybdenum by approximately 50 percent at Climax. During the third quarter of 2021, Climax returned to pre-April 2020 production levels. We may increase operating rates at the Climax mine if necessary to satisfy increasing market demand for molybdenum. Molybdenum production from Climax totaled 18 million pounds in 2021, 14 million pounds in 2020 and 17 million pounds in 2019.

The Climax mine is located in a mountainous region. The highest bench elevation is approximately 4,050 meters above sea level and the ultimate pit bottom is expected to have an elevation of approximately 3,100 meters above sea level. This region experiences significant snowfall during the winter months.

The Climax operation encompasses approximately 15,100 acres, comprising 14,300 of privately owned land and 800 acres of federal claims.

Climax operations receive electrical power through long-term contracts with Xcel Energy and natural gas through long-term contracts with Encore Energy. We believe the Climax operation has sufficient water resources to support current operations. Refer to “Governmental Regulations” above and Item 1A. “Risk Factors” for further discussion.

South America
At our operations in South America, mine properties and facilities are controlled through mining claims or concessions under the general mining laws of the relevant country. The claims or concessions are owned or controlled by the operating companies in which we or our subsidiaries have a controlling ownership interest. Roads, power lines and aqueducts are controlled by easements.

Cerro Verde
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We have a 53.56 percent ownership interest in Cerro Verde, with the remaining 46.44 percent held by SMM Cerro Verde Netherlands B.V. (21.0 percent), Compañia de Minas Buenaventura S.A.A. (19.58 percent) and other stockholders whose shares are publicly traded on the Lima Stock Exchange (5.86 percent).

Cerro Verde is an open-pit copper and molybdenum mining complex that has been in operation since 1976 and is located 20 miles southwest of Arequipa, Peru. Prior to being acquired in 1994 by a predecessor of Phelps Dodge, the mine was previously operated by the Peru government. The property is located at latitude 16.53 degrees south
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and longitude 71.58 degrees west using the WGS 84 coordinate system. The site is accessible by paved highway. Cerro Verde’s copper cathode and concentrate production that is not sold locally is transported approximately 70 miles by truck and by rail to the Port of Matarani for shipment to international markets. Molybdenum concentrate is transported by truck to either the Ports of Callao or Matarani for shipment.

The Cerro Verde mine is a porphyry copper deposit that has oxide, secondary sulfide and primary sulfide mineralization. The predominant oxide copper minerals are brochantite, chrysocolla, malachite and copper “pitch.” Chalcocite and covellite are the most important secondary copper sulfide minerals. Chalcopyrite and molybdenite are the dominant primary sulfides.

Cerro Verde’s operation consists of two concentrating facilities with a total milling design capacity of 360,000 metric tons of ore per day and SX/EW leaching facilities. Leach copper production is derived from a 39,000-metric-ton-per-day crushed leach facility and a 100,000-metric-ton-per-day ROM leach system. This SX/EW leaching operation has a capacity of approximately 200 million pounds of copper per year.

The available fleet consists of fifty-four 300-metric-ton haul trucks and ninety-three 245-metric-ton haul trucks (21 of which are currently on standby) and three 363-metric-ton leased haul trucks loaded by thirteen electric shovels with bucket sizes ranging in size from 33 to 57 cubic meters and two hydraulic shovels with a bucket size of 21 cubic meters (both of which are currently on standby). This fleet is capable of moving an average of approximately 970,000 metric tons of material per day. Cerro Verde’s net property, plant, equipment and mine development costs at December 31, 2021, totaled $6.1 billion.

During 2021, milling rates at Cerro Verde’s concentrator facilities averaged 380,300 metric tons of ore per day. Subject to ongoing monitoring of COVID-19 protocols, Cerro Verde is targeting milling rates to increase to approximately 400,000 metric tons of ore per day in 2022.

Cerro Verde’s production totaled 0.9 billion pounds of copper and 21 million pounds of molybdenum in 2021, 0.8 billion pounds of copper and 19 million pounds of molybdenum in 2020, and 1.0 billion pounds of copper and 29 million pounds of molybdenum in 2019.

Cerro Verde is located in a desert environment with rainfall averaging 1.5 inches per year and is in an active seismic zone. The highest bench elevation is 2,810 meters above sea level and the ultimate pit bottom is expected to be 1,523 meters above sea level. The Peru general mining law and Cerro Verde’s mining stability agreement grant the surface rights of mining concessions located on government land. Government land obtained after 1997 must be leased or purchased. Cerro Verde has a mining concession covering approximately 178,000 acres, including 62,000 acres of surface rights and access to 14,600 acres granted through an easement from the Peru National Assets Office, plus 150 acres of owned property, and 1,151 acres of rights-of-way outside the mining concession area leased from both government agencies and private parties.

Cerro Verde currently receives electrical power, including hydro-generated power, under long-term contracts with ElectroPeru and Engie Energia Peru S.A.

Water for our Cerro Verde processing operations comes from renewable sources through a series of storage reservoirs on the Rio Chili watershed that collect water primarily from seasonal precipitation and from wastewater collected from the city of Arequipa and treated at a wastewater treatment plant. We believe the Cerro Verde operation has sufficient water resources to support current operations. Refer to “Governmental Regulations” above and Item 1A. “Risk Factors” for further discussion.


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El Abra
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We have a 51 percent ownership interest in El Abra, and the remaining 49 percent interest is held by the state-owned copper enterprise Corporación Nacional del Cobre de Chile.

El Abra is an open-pit copper mining complex that has been in operation since 1996 and is located 47 miles north of Calama in Chile’s El Loa province, Region II. The site is accessible by paved highway and by rail.

The El Abra mine is a porphyry copper deposit that has sulfide and oxide mineralization. The predominant primary sulfide copper minerals are bornite and chalcopyrite. There is a minor amount of secondary sulfide mineralization as chalcocite. The oxide copper minerals are chrysocolla and pseudomalachite. There are lesser amounts of copper bearing clays and tenorite.

The El Abra operation consists of a SX/EW facility with a capacity of 500 million pounds of copper cathode per year from a 125,000-metric-ton-per-day crushed leach circuit and a ROM leaching operation. The available fleet consists of twenty-three 242-metric-ton haul trucks loaded by four electric shovels with buckets ranging in size from 29 to 41 cubic meters, which are capable of moving 217,000 metric tons of material per day. El Abra’s net property, plant, equipment and mine development costs at December 31, 2021, totaled $707 million.

In April 2020, we revised our operating plans at El Abra. During 2021, El Abra returned to pre-April 2020 production levels. Further, increased mining and stacking activities are expected to result in a 30 percent increase in El Abra copper production for the year 2022, compared with the year 2021.

El Abra’s copper production totaled 160 million pounds in 2021, 159 million pounds in 2020 and 180 million pounds in 2019.

We continue to evaluate a large-scale expansion at El Abra to process additional sulfide material and to achieve higher copper recoveries. El Abra's large sulfide resource could potentially support a major mill project similar to the facilities constructed at Cerro Verde in 2015. Technical and economic studies continue to be evaluated to determine the optimal scope and timing for the sulfide project, and we are engaging stakeholders and preparing data required for submission of a robust permit application. We are monitoring potential changes in regulatory and fiscal matters in Chile and will defer major investment decisions pending clarity on these matters.

El Abra is located in a desert environment with rainfall averaging less than one inch per year and is in an active seismic zone. The highest bench elevation is 4,225 meters above sea level and the ultimate pit bottom is expected to be 3,385 meters above sea level. El Abra controls a total of approximately 183,600 acres of mining claims covering the ore deposit, stockpiles, process plant, and water wellfield and pipeline. In addition, El Abra has land surface rights for the road between the processing plant and the mine, the water wellfield, power transmission lines and for the water pipeline from the Salar de Ascotán aquifer.

El Abra currently receives electrical power under a long-term contract with Engie Energia Chile S.A. Water for our El Abra processing operations comes from the continued pumping of groundwater from the Salar de Ascotán aquifer pursuant to regulatory approval. We believe El Abra has sufficient water rights and regulatory approvals to support current operations. Refer to “Governmental Regulations” above and Item 1A. “Risk Factors” for further discussion.

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Indonesia
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Ownership. PT-FI is a limited liability company organized under the laws of the Republic of Indonesia. On December 21, 2018, we completed the transaction with the Indonesia government regarding PT-FI’s long-term mining rights and share ownership (the 2018 transaction). Following the 2018 transaction, we have a 48.76 percent share ownership in PT-FI and the remaining 51.24 percent share ownership is collectively held by PT Indonesia Asahan Aluminum (Persero) (PT Inalum, also known as MIND ID), an Indonesia state-owned enterprise, and PT Indonesia Papua Metal Dan Mineral (formerly known as PT Indocopper Investama), which is expected to be owned by PT Inalum and the provincial/regional government in Papua, Indonesia. The arrangements related to the 2018 transaction also provide for us and the other pre-transaction PT-FI shareholders to initially retain the economics of the revenue and cost sharing arrangements under the former unincorporated joint venture with Rio Tinto plc (Rio Tinto). As a result, our economic interest in PT-FI is expected to approximate 81 percent through 2022 and 48.76 percent thereafter.

IUPK. Concurrent with closing the 2018 transaction, the Indonesia government granted PT-FI a new special mining license (IUPK) to replace its former Contract of Work (COW), enabling PT-FI to conduct operations in the Grasberg minerals district through 2041. Under the terms of the IUPK, PT-FI has been granted an extension of mining rights through 2031, with rights to extend mining rights through 2041, subject to PT-FI completing the construction of additional domestic smelting capacity in Indonesia (the schedule for which is under discussion) and fulfilling its defined fiscal obligations to the Indonesia government. The IUPK, and related documentation, contains legal and fiscal terms and is legally enforceable through 2041. In addition, we, as a foreign investor, have rights to resolve investment disputes with the Indonesia government through international arbitration. Refer to Note 13 and Item 1A. “Risk Factors” for discussion of PT-FI’s IUPK and risks associated with our Indonesia mining operations.

In March 2021, PT-FI received a one-year extension of its export license through March 15, 2022. Export licenses are valid for a one year period, subject to review and approval by the Indonesia government every six months, depending on greenfield smelter development progress.

Indonesia Smelter Capacity. Under the terms of the IUPK, PT-FI has been granted mining rights through 2031, with rights to extend its mining rights through 2041, subject to, among other things, PT-FI’s completion of construction of additional domestic smelting capacity totaling 2 million metric tons of concentrate per year by the end of 2023 (an extension of which has been requested due to COVID-19 mitigation measures subject to the approval of the Indonesia government), and fulfilling its defined fiscal obligations to the Indonesia government. During 2020, PT-FI notified the Indonesia government of schedule delays resulting from the COVID-19 pandemic and continues to discuss with the Indonesia government a deferred schedule for development of the greenfield smelter. Refer to Item 1A. “Risk Factors,” MD&A and Notes 12 and 13 for additional discussion of the Indonesia smelter projects.

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Grasberg Minerals District. PT-FI operates in the remote highlands of the Sudirman Mountain Range in the province of Papua, Indonesia, which is on the western half of the island of New Guinea. Since 1967, we and our predecessors have been the only operator of exploration and mining activities in the approximately 24,600-acre operating area. The operating area is accessible by portsite facilities (Arafura Sea) and by the Timika airport. The project site is located at latitude 4.08 degrees south and longitude 137.12 degrees east using the WGS 84 coordinate system. The project area includes a 70-mile main service road from portsite to the mill complex.

The Grasberg minerals district includes the following underground mines that are being operated; the Grasberg Block Cave, the Deep Mill Level Zone (DMLZ) and Big Gossan. During 2021, we began development of the Kucing Liar underground ore body and the Deep Ore Zone (DOZ) underground mine ceased production. The ramp-up of underground production at the Grasberg minerals district in Indonesia continues to advance on schedule. During 2021, a total of 139 new drawbells were added at the Grasberg Block Cave and DMLZ underground mines, bringing cumulative open drawbells to 510. Refer to Item 1A. “Risk Factors” for discussion of risks associated with development projects and underground mines.

Production from the Grasberg minerals district totaled 1.3 billion pounds of copper and 1.4 million ounces of gold in 2021, 0.8 billion pounds of copper and 0.8 million ounces of gold in 2020, and 0.6 billion pounds of copper and 0.9 million ounces of gold in 2019. PT-FI’s net property, plant, equipment and mine development costs at December 31, 2021, totaled $15.1 billion.

Our principal source of power for our Indonesia operations is a coal-fired power plant that we built in 1998. Diesel generators supply peaking and backup electrical power generating capacity; however, beginning in 2022, our new dual-fuel power plant is expected eventually to provide up to approximately 40 percent of PT-FI’s power needs. A combination of naturally occurring mountain streams and water derived from our underground operations provides water for our operations. Our Indonesia operations are in an active seismic zone and experience average annual rainfall of approximately 200 inches.

Grasberg Block Cave Underground Mine
The Grasberg Block Cave ore body is the same ore body historically mined from the surface in the Grasberg open pit. Undercutting, drawbell construction and ore extraction activities in the Grasberg Block Cave underground mine continue to track expectations. Monitoring data on cave propagation in the Grasberg Block Cave underground mine is providing confidence in growing production rates over time. As existing drawpoints mature and additional drawpoints are added, cave expansion is expected to accelerate production rates to an average of over 105,000 metric tons of ore per day in 2022 and 122,000 metric tons of ore per day in 2023 from five production blocks spanning 335,000 square meters. As of December 31, 2021, the Grasberg Block Cave underground mine had 336 open drawbells.

Ore milled from the Grasberg Block Cave underground mine averaged 70,600 metric tons per day in 2021, 30,800 metric tons per day in 2020 and 8,600 metric tons per day in 2019. Production at the Grasberg Block Cave underground mine is expected to continue through 2041.

The Grasberg Block Cave fleet consists of approximately 580 pieces of mobile equipment. The primary mining equipment directly associated with production and development includes an available fleet of 88 LHD units and 33 haul trucks. Each production LHD unit typically carries approximately 11 metric tons of ore and transfers ore into the rail haulage system. The Grasberg Block Cave has a rail haulage system currently operating with 10 locomotives and 120 ore wagons that haul the ore to the first 2 of the 3 planned gyratory crushers located underground via an automated rail system. Each ore wagon typically carries 30 metric tons.

DMLZ Underground Mine
The DMLZ ore body lies below the DOZ underground mine at the 2,590-meter elevation and represents the downward continuation of mineralization in the Ertsberg East Skarn system and neighboring Ertsberg porphyry.

The DMLZ has continued its ramp-up of production. Hydraulic fracturing operations have been effective in managing rock stresses and pre-conditioning the cave following mining-induced seismic activity experienced from time to time. Ongoing hydraulic fracturing operations combined with continued undercutting and drawbell openings in the two currently active production blocks are expected to expand the cave, supporting higher production rates that are expected to average approximately 68,000 metric tons of ore per day in 2022 and 69,000 metric tons of ore per day in 2023 from three production blocks. As of December 31, 2021, the DMLZ underground mine had 174 open drawbells.
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Ore milled from the DMLZ underground mine averaged 58,000 metric tons per day in 2021, 28,600 metric tons per day in 2020 and 9,800 metric tons per day in 2019. Production at the DMLZ underground mine is expected to continue through 2041.

The DMLZ fleet consists of over 390 pieces of mobile equipment, which includes 63 LHD units and 34 haul trucks used in production and development activities. Each production LHD unit typically carries approximately 11 metric tons of ore and transfers ore into the truck haulage system. The haul trucks have a capacity of 55 to 60 metric tons and load ore from chutes fed by the LHDs and transfer it to one of two gyratory crushers. The crushed ore is conveyed to surface stockpiles for processing.

Big Gossan Underground Mine
The Big Gossan ore body lies underground and adjacent to the current mill site. It is a tabular, near vertical ore body with approximate dimensions of 1,200 meters along strike and 800 meters down dip with varying thicknesses from 20 meters to 120 meters. The mine utilizes a blasthole stoping method with delayed paste backfill. Stopes of varying sizes are mined and the ore dropped down passes to a truck haulage level. Trucks are chute loaded and transport the ore to a jaw crusher. The crushed ore is then hoisted vertically via a two-skip production shaft to a level where it is loaded onto a conveyor belt. The belt carries the ore to one of the main underground conveyors where the ore is transferred and conveyed to the surface stockpiles for processing.

Ore milled from the Big Gossan underground mine averaged approximately 7,500 metric tons per day in 2021, 7,000 metric tons per day in 2020 and 6,100 metric tons per day in 2019. Production at the Big Gossan underground mine is expected to continue through 2041.

The Big Gossan fleet consists of over 90 pieces of mobile equipment, which includes 14 LHD units and 10 haul trucks used in development and production activities.

Kucing Liar Underground Mine
PT-FI commenced long-term mine development activities for its Kucing Liar deposit in October 2021, which is expected to produce over 6 billion pounds of copper and 5 million ounces of gold between 2028 and the end of 2041. The Kucing Liar underground deposit lies on the southern flank of and underneath the southern portion of the Grasberg open pit at the 2,605-meter elevation level. Similar to PT-FI's experience with large-scale, block-cave mines, pre-production development activities will occur over an approximate 10-year timeframe. At full operating rates of 90,000 metric tons of ore per day, annual production from Kucing Liar is expected to approximate 600 million pounds of copper and 500,000 ounces of gold, providing PT-FI with sustained long-term, large-scale and low-cost production. Capital investments for Kucing Liar over the next 10 years are expected to average approximately $400 million per year. Kucing Liar will benefit from substantial shared infrastructure and PT-FI's experience and long-term success in block-cave mining.

DOZ Underground Mine
The DOZ ore body lies vertically below the depleted Intermediate Ore Zone. PT-FI began production from the DOZ ore body in 1989 and the ore body was depleted at the end of 2021. Ore milled from the DOZ underground mine averaged 8,700 metric tons per day in 2021, 20,900 metric tons per day in 2020 and 25,500 metric tons per day in 2019.

Grasberg Open Pit  
PT-FI began open-pit mining of the Grasberg ore body in 1990 and the final phase was mined during 2019. In aggregate, the Grasberg open pit produced over 27 billion pounds of copper and 46 million ounces of gold in the 30-year period from 1990 through 2019.

Description of Indonesia Ore Bodies. Our Indonesia ore bodies are located within and around two main igneous intrusions, the Grasberg monzodiorite and the Ertsberg diorite. The host rocks of these ore bodies include both carbonate and clastic rocks that form the ridge crests and upper flanks of the Sudirman Range, and the igneous rocks of monzonitic to dioritic composition that intrude them. The igneous-hosted ore bodies (the Grasberg Block Cave and portions of the DMLZ) occur as vein stockworks and disseminations of copper sulfides, dominated by chalcopyrite and, to a lesser extent, bornite. The sedimentary-rock hosted ore bodies (portions of the DMLZ and Kucing Liar and all of the Big Gossan) occur as “magnetite-rich, calcium/magnesian skarn” replacements, whose location and orientation are strongly influenced by major faults and by the chemistry of the carbonate rocks along the margins of the intrusions.
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The copper mineralization in these skarn deposits is dominated by chalcopyrite, but higher bornite concentrations are common. Moreover, gold occurs in significant concentrations in all of the district’s ore bodies, though rarely visible to the naked eye. These gold concentrations usually occur as inclusions within the copper sulfide minerals, though, in some deposits, these concentrations can also be strongly associated with pyrite.

The following diagram indicates the relative elevations (in meters) of our reported Indonesia ore bodies.
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The following map, which encompasses an area of 42 square kilometers, indicates the relative positions and sizes of our reported Indonesia ore bodies and their locations.
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Smelting Facilities and Other Mining Properties
Atlantic Copper. Our wholly owned Atlantic Copper smelter and refinery is located on land concessions from the Huelva, Spain, port authorities, which are scheduled to expire in 2039.

The design capacity of the smelter is approximately 300,000 metric tons of copper per year, and the refinery has a capacity of 286,000 metric tons of copper per year. Atlantic Copper’s anode production from its smelter totaled 278,600 metric tons of copper in 2021, 275,900 metric tons in 2020 and 272,000 metric tons in 2019. Copper cathode production from its refinery totaled 277,000 metric tons of copper in 2021, 275,000 metric tons in 2020 and 268,300 metric tons in 2019.

Following is the allocation of Atlantic Copper’s concentrate purchases from unaffiliated third parties and our copper mining operations for the years ended December 31:
 202120202019
Third parties66 %79 %73 %
North America copper mines18 10 22 
Indonesia mining
South America mining
 100 %100 %100 %

Atlantic Copper’s major maintenance turnarounds typically occur approximately every eight years, with shorter-term maintenance turnarounds in the interim. Atlantic Copper last completed a major maintenance turnaround in 2013 and most recently completed a 16-day maintenance turnaround in 2019. The next major maintenance turnaround is scheduled for the first half of 2022.

PT Smelting. PT Smelting, an Indonesia company, owns and operates a copper smelter and refinery in Gresik, Indonesia. On April 30, 2021, PT-FI acquired an additional 14.5 percent of the outstanding common stock of PT Smelting for $33 million, increasing its ownership interest to 39.5 percent. Mitsubishi Materials Corporation owns the remaining 60.5 percent.

In November 2021, PT-FI completed agreements with Mitsubishi Materials Corporation to implement the expansion of PT Smelting’s capacity by 30 percent to 1.3 million metric tons of concentrate per year, which is expected to be completed by the end of 2023 in connection with PT-FI’s commitment to develop additional smelting capacity in Indonesia. Refer to Note 2 for discussion of PT-FI’s loan to PT Smelting.

PT-FI’s contract with PT Smelting provides for PT-FI to supply 100 percent of the copper concentrate requirements (subject to a minimum or maximum treatment charge rate) necessary for PT Smelting to produce 205,000 metric tons of copper annually on a priority basis. PT-FI may also sell copper concentrate to PT Smelting at market rates for quantities in excess of 205,000 metric tons of copper annually. PT-FI supplied 100 percent of PT Smelting’s concentrate requirements in 2021, 74 percent in 2020 and 90 percent in 2019.

In early 2017, the Indonesia government issued new regulations to address exports of unrefined metals, including copper concentrate and anode slimes, and other matters related to the mining sector. These regulations permit the export of anode slimes, which is necessary for PT Smelting to continue operating. In December 2021, PT Smelting received a twelve-month extension of its anode slimes export license, which currently expires December 9, 2022, subject to review and approval by the Indonesia government every six months. Refer to Item 1A. “Risk Factors” for further discussion.

PT Smelting’s anode production from its smelter totaled 280,400 metric tons of copper in 2021, 276,900 metric tons in 2020 and 246,100 metric tons in 2019. Copper cathode production from its refinery totaled 256,900 metric tons of copper in 2021, 273,000 metric tons in 2020 and 241,200 metric tons in 2019.

PT Smelting’s maintenance turnarounds (which range from two weeks to a month to complete) typically are expected to occur approximately every two years, with short-term maintenance turnarounds in the interim. PT Smelting completed a 30-day maintenance turnaround during December 2020, and the next major turnaround is scheduled for the second half of 2022. In addition, PT Smelting has a planned 75-day shutdown scheduled for the first half of 2023 associated with its expansion project.


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Table of Contents
Miami Smelter. We own and operate a smelter at our Miami mining operation in Arizona. The smelter has been operating for over 100 years and has been upgraded numerous times during that period to implement new technologies, improve production and comply with air quality requirements.

The Miami smelter processes copper concentrate primarily from our North America copper mines. Concentrate processed through the smelter totaled 674,000 metric tons in 2021, 764,000 metric tons in 2020 and 641,000 metric tons in 2019. In addition, because sulfuric acid is a by-product of smelting concentrate, the Miami smelter is also the most significant source of sulfuric acid for our North America leaching operations.

Major maintenance turnarounds are anticipated to occur approximately every two or three years for the Miami smelter. We performed a major maintenance turnaround during 2021. The next major maintenance turnaround is scheduled for the first half of 2024.  

Rod & Refining Operations. Our Rod & Refining operations consist of conversion facilities located in North America, including a refinery in El Paso, Texas and rod mills in El Paso, Texas, and Miami, Arizona. We refine our copper anode production from our Miami smelter at our El Paso refinery. The El Paso refinery has the potential to operate at an annual production capacity of about 900 million pounds of copper cathode, which is sufficient to refine all of the copper anode we produce at our Miami smelter. Our El Paso refinery also produces nickel carbonate, copper telluride and autoclaved slimes material containing gold, silver, platinum and palladium.

Molybdenum Conversion Facilities. We process molybdenum concentrate at our conversion plants in the U.S. and Europe into such products as technical-grade molybdic oxide, ferromolybdenum, pure molybdic oxide, ammonium molybdates and molybdenum disulfide. We operate molybdenum roasters in Sierrita, Arizona; Fort Madison, Iowa; and Rotterdam, the Netherlands, and we operate a molybdenum pressure-leach plant in Bagdad, Arizona. We also produce ferromolybdenum for customers worldwide at our conversion plant located in Stowmarket, United Kingdom.

Other North America Copper Mines. We have five non-operating copper mines - Ajo, Bisbee, Tohono, Twin Buttes and Christmas, which are located in Arizona - that have been on care and maintenance status for several years and would require new or updated environmental studies, new permits, and additional capital investment, which could be significant, to return them to operating status.

MINING DEVELOPMENT PROJECTS AND EXPLORATION ACTIVITIES

Capital expenditures totaled $2.1 billion (including $1.25 billion for major projects and $0.2 billion for Indonesia smelter projects) in 2021, $2.0 billion (including $1.2 billion for major projects and $0.1 billion for Indonesia smelter projects) in 2020 and $2.65 billion (including $1.5 billion for major projects) in 2019. Capital expenditures for major projects during 2021, 2020 and 2019 were primarily associated with underground development activities in the Grasberg minerals district and the Lone Star copper leach project at our Safford mine, which was completed in the second half of 2020. Refer to MD&A for projected capital expenditures for the year 2022.

We have several projects and potential opportunities to expand production volumes, extend mine lives and develop large-scale underground ore bodies. As further discussed in MD&A, our near-term major development projects will focus on the underground development activities in the Grasberg minerals district. Considering the long-term nature and large size of our development projects, actual costs and timing could vary from estimates. Additionally, in response to market conditions, the timing of our expenditures will continue to be reviewed. We continue to review our mine development and processing plans to maximize the value of our mineral reserves.

Additionally, full development of PT-FI’s underground mineral reserves at the Grasberg minerals district is expected to require approximately $3 billion (most of which will be incurred over an approximate 12-year period) of capital expenditures at our processing facilities to optimize the handling of underground ore from the Grasberg Block Cave, DMLZ and Kucing Liar deposits. Increases in power loads at these processing facilities and the underground mines are expected to require additional power generation with capital expenditures approximating $0.6 billion for new dual-fuel power generation, upgrades to existing transmission lines, and refurbishment of the existing three coal units.


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Table of Contents
Our mining exploration activities are primarily associated with our existing mines, focusing on opportunities to expand mineral reserves and mineral resources to support development of additional future production capacity. Exploration results continue to indicate opportunities for significant future potential reserve additions at our existing properties in North America and South America. Exploration spending associated with mining operations totaled $50 million in 2021, $34 million in 2020 and $77 million in 2019.

Refer to Item 1A. “Risk Factors” for further discussion of risks associated with mine development projects and exploration activities, and PT-FI’s IUPK.

SOURCES AND AVAILABILITY OF ENERGY, NATURAL RESOURCES AND RAW MATERIALS

Our copper mining operations require significant amounts of energy, principally diesel, electricity, coal and natural gas, most of which is obtained from third parties under long-term contracts. Energy represented approximately 21 percent of our copper mine site operating costs in 2021, including purchases of approximately 220 million gallons of diesel fuel; approximately 8,000 gigawatt hours of electricity at our North America and South America copper mining operations (we generate all of our power at our Indonesia mining operation); approximately 750 thousand metric tons of coal for our coal power plant in Indonesia; and approximately 1 million MMBtu (million British thermal units) of natural gas at certain of our North America mines. Based on current cost estimates, energy is expected to approximate 25 percent of our copper mine site operating costs in 2022.

Our mining operations also require significant quantities of water for mining, ore processing and related support facilities. The loss of water rights for any of our mines, in whole or in part, or shortages of water to which we have rights, could require us to curtail or shut down mining operations. For a further discussion of risks and legal proceedings associated with the availability of water, refer to “Governmental Regulations” above, Item 1A. “Risk Factors” and Item 3. “Legal Proceedings.”

Sulfuric acid is used in the SX/EW process and is produced as a by-product of the smelting process at our smelters and from our sulfur burners at the Safford mine. Sulfuric acid needs in excess of the sulfuric acid produced by our operations are purchased from third parties.

HUMAN CAPITAL

We are committed to promoting the health, safety and well-being of our workforce and striving to further strengthen our commitment to promoting an inclusive, diverse and agile workplace. We believe our global workforce is the foundation of our success. Our Board of Directors (Board) oversees our policies and implementation programs that govern our approach to management of our human capital, with the Board’s Corporate Responsibility Committee having oversight of health and safety matters and the Board’s Compensation Committee having oversight of other human capital matters, including those relating to workforce recruitment, retention and development, pay equity and inclusion and diversity.

Workforce
At December 31, 2021, we had approximately 24,700 employees (11,600 in North America, 6,100 in Indonesia, 6,000 in South America and 1,000 in Europe and other locations). We also had contractors that employ personnel at many of our operations, including approximately 22,200 at the Grasberg minerals district in Indonesia, 13,600 in North America, 6,100 at our South America mining operations and 600 in Europe and other locations.

Approximately 31 percent of our global employee population is covered by collective labor agreements (CLA), with 14 percent covered by a CLA that will or was scheduled to expire in 2022. In North America, our workforce is not covered by a CLA. Our North America hourly employees choose to work directly with management utilizing our Guiding Principles, which sets out how we work together within the values of the company to achieve our collective goals.


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Employees covered by CLAs on December 31, 2021, are listed below, with the number of employees covered and the expiration date of the applicable CLA:

LocationNumber of UnionsNumber of
Union-
Represented Employees
Expiration Date
PT-FI - Indonesia32,990 March 2022
a
Cerro Verde - Peru23,183 August 2024 and August 2025
El Abra - Chile2781 April 2023
Atlantic Copper - Spain3517 December 2022
Rotterdam - The Netherlands155 September 2022
Stowmarket - United Kingdom 140 May 2023
a.In February 2022, PT-FI completed negotiations with its unions on a new two-year CLA that is effective through March 2024.

We engage openly with our employee and union leadership to negotiate and uphold labor agreements, recognizing that labor disruptions such as prolonged strikes or other work stoppages can adversely affect our business operations, our workforce and regional stakeholders. There were no strikes or lockouts at any of our operations in 2021.

Health and Safety
Our highest priority is the health, safety and well-being of our employees and contractors. We also instill health and safety processes for our suppliers and the communities where we operate. We believe that health and safety considerations are integral to, and fundamental for, all other functions in our organization, and we understand that the health and safety of our workforce is critical to our operational efficiency and long-term success. Our global health and safety approach, “Safe Production Matters,” is focused on fatality prevention and continuous improvement through the use of robust management systems, empowering safe work behaviors and strengthening our safety culture.

We focus on fatality prevention through the use of data and technology as well as behavioral science principles. Our framework for managing risks and compliance obligations is certified company wide in accordance with the new ISO 45001 Health and Safety Management System (ISO 45001), most recently certified in September 2021. ISO 45001 requires third-party site-level verification of requirements, with a goal to prevent fatalities and reduce safety incidents.

As part of our commitment to providing a safe and healthy workplace, we strive to provide the training, tools and resources needed so our workforce can identify risks and consistently apply effective controls. We share information and key learnings about potentially fatal events, near misses and best practices throughout the company and engage with industry peers outside the organization to continuously improve our health and safety performance. We also review and discuss all fatalities with the Corporate Responsibility Committee and the Board.

Our objective is to achieve zero workplace fatalities and to decrease injuries and occupational illnesses. We measure our safety performance through regularly established benchmarks, including our company-wide Total Recordable Incident Rate (TRIR), which includes both employees and contractors. In 2021, regrettably, we had 3 workplace fatal events, 2 work related and 1 not yet classified as either an independent medical episode or work related, and 17 potential fatal events (PFEs), compared to 5 fatalities and 12 PFEs in 2020. Overall, the percentage of high risk incidents has trended down from 11 percent in 2019 to 7 percent in 2020 and 2021. Our TRIR per 200,000 man-hours worked was 0.69 in both 2021 and 2020, meeting our 2021 and 2020 targets. The metal mining sector industry average per 200,000 man-hours worked reported by MSHA was 1.70 for 2021 (preliminary for the period of January 1, 2021, through September 30, 2021) and 1.66 in 2020.

In 2021, we continued to take steps to protect our workforce from COVID-19, including by continuing operating protocols at each of our operating sites to contain and mitigate the risk of spread of COVID-19. We will continue to monitor, assess and update our COVID-19 response and to provide assistance to employees in obtaining vaccinations. We are committed to the communities where we operate and continue to work closely with them, including providing monetary support and in-kind contributions of medical supplies and food. To support our
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employees around the world, we adjusted our policies for sick leave and other pay practices to encourage ill employees to stay home. We also implemented a policy to allow those who can work remotely to do so. During the pandemic and looking beyond, we have committed to maintaining health benefits and offer guidance resources to support mental and physical well-being.

Employee Engagement, Training and Development
We operate in regions of varying ethnic, religious and cultural backgrounds, and we often are the largest employer in our local communities. A key to our success is the ability to recruit, retain, develop and advance talented employees with diverse perspectives.

In addition to the health, safety and well-being of our global workforce, we have prioritized a flexible, highly engaged and agile workforce. The COVID-19 pandemic has amplified our focus on the need for, and receptivity to, innovation across all facets of the business, particularly in how we communicate, engage and collaborate across our global workforce in a more virtual environment.

We are committed to ongoing training and development of our workforce. We focus on attracting and retaining talented people by offering quality employment with competitive compensation and benefits as well as opportunities for professional development and growth. Strategic talent reviews and succession planning occur regularly and across all business areas. To support the advancement of our employees, we offer training and development programs encouraging advancement from within and continue to promote strong and experienced management talent. We leverage both formal and informal programs to identify, foster and retain top talent at both the corporate and operations levels.

Additionally, hiring locally is a commitment we make to the communities surrounding our operations and to our host countries. Most people employed at our operations are host country nationals. We retain expatriate expertise for managerial and technical roles only when it is not available in local communities. To further these efforts, expatriates receive cultural training upon their arrival to a new location.

Inclusion and Diversity
We are committed to fostering a culture that is safety focused, respectful, inclusive and representative of the communities where we operate. We respect and value the different ideas, beliefs, experiences, talents, skills, perspectives, backgrounds and cultures of our workforce. We strive for, promote and foster a workplace where everyone feels a sense of belonging, is treated with respect and their opinions are valued. We believe an inclusive environment gives our people the confidence to speak up, share ideas that drive innovation, and achieve operational excellence. Our inclusive environment is the foundation of our high-performance culture and is paramount to the long-term sustainable success of our business.

Our inclusion and diversity principles align with our core values of safety, respect, integrity, excellence and commitment, and are reflected in our Inclusion and Diversity Policy, our Principles of Business Conduct and other related policies.

Refer to Item 1A. “Risk Factors” for further information on human capital matters.

COMMUNITY AND HUMAN RIGHTS

We have adopted policies that govern our working relationships with the communities where we operate and that are designed to guide our practices and programs in a manner that respects human rights and the culture of the local people impacted by our operations.


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We continue to make significant expenditures on community development, health, education, training and cultural programs, which include:

comprehensive job training programs
clean water and sanitation projects
public health programs, including malaria control and human immunodeficiency virus
agricultural assistance programs
small and medium enterprise development programs
basic education programs
cultural promotion and preservation programs
community infrastructure development
charitable donations

In 2000, we endorsed the joint U.S. State Department-British Foreign Office Voluntary Principles on Human Rights and Security (Voluntary Principles). We participated in developing these Voluntary Principles with other major natural resource companies and international human rights organizations and they are incorporated into our human rights policy. The Voluntary Principles provide guidelines for our security programs, including interaction with host-government security personnel, private security contractors and our internal security employees.

Our human rights policy, most recently updated in December 2020, reflects our commitment to implementing the United Nations Guiding Principles on Business and Human Rights. We have embarked on a program to plan and conduct site-level human rights impact assessments (HRIA) at our global operations.

HRIAs help us to embed human rights considerations into our business practices, including site-level sustainable development risk registers. We completed a HRIA at our Cerro Verde operation in Peru in 2017 and at our New Mexico mining operations in 2018. During 2021, we substantially completed a HRIA at our El Abra operations in Chile and began a comprehensive HRIA for all of our Arizona sites including Morenci, Bagdad, Safford, Sierrita and Miami, which we expect to complete in the first half of 2022. We also participate in a multi-industry human rights working group to gain insight from peer companies and experts in the field to learn how best practices are evolving.

We believe that our social and economic development programs are responsive to the issues raised by the local communities near our areas of operation and help us maintain good relations with the surrounding communities and avoid disruptions of mining operations. As part of our ongoing commitment to our community stakeholders, we have made and expect to continue making investments in certain social programs, including in-kind support and administration, across our global operations from time to time. Over the last three years, these investments have averaged $124 million per year. Nevertheless, social and political instability in the areas of our operations may adversely impact our mining operations. Refer to Item 1A. “Risk Factors” for further discussion.

South America. Cerro Verde has provided a variety of community support projects over the years. Following engagements with regional and local governments, civic leaders and development agencies, in 2006, Cerro Verde committed to support the costs for a new potable water treatment plant to serve Arequipa. In addition, an agreement was reached with the Peru government for development of a water storage network that was financed by Cerro Verde and a distribution network that was financed by the Cerro Verde Civil Association.

Cerro Verde reached an agreement with the Regional Government of Arequipa, the National Government, the local water utility company and other local institutions to allow it to finance, engineer and construct a wastewater treatment plant for the city of Arequipa, which was completed in 2015. The wastewater treatment plant supplements existing water supplies to support Cerro Verde’s concentrator expansion and also improves the local water quality, enhances agriculture products grown in the area and reduces the risk of waterborne illnesses. In addition to these projects, Cerro Verde annually makes significant community development investments in the Arequipa region.

Security Matters. Consistent with our operating permits in Peru and our commitment to protect our employees and property, we have taken steps to provide a safe and secure working environment. As part of its security program, Cerro Verde maintains its own internal security department. Both employees and contractors perform functions such as protecting company facilities, monitoring shipments of supplies and products, assisting in traffic control and aiding in emergency response operations. The security department receives human rights and Voluntary Principles training annually. Some contractors assigned to protection of expatriate personnel are armed. These contractors also receive training in defensive driving and firearms handling. Cerro Verde’s costs for its internal civilian security department totaled $7 million in both 2021 and 2020 and $9 million in 2019.
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Cerro Verde, like all businesses and residents of Peru, relies on the Peru government for the maintenance of public order, upholding the rule of law and the protection of personnel and property. The Peru government is responsible for employing police personnel and directing their operations. Cerro Verde has limited public security forces in support of its operation, with the arrangement defined through a memorandum of understanding with the Peru National Police. Cerro Verde’s share of support costs for government-provided security approximated $1 million in each of the years 2021, 2020 and 2019.

Indonesia. In 1996, PT-FI established the Freeport Partnership Fund for Community Development (the Partnership Fund) through which PT-FI has made available funding and technical assistance to support community development initiatives in the areas of health, education, economic development and local infrastructure. PT-FI has committed to provide funding based on a percentage of its revenues through 2041 for the development of the local communities in its area of operations through the Partnership Fund. PT-FI incurred costs of $75 million in 2021, $36 million in 2020 and $28 million in 2019 for this commitment.

Throughout 2019, PT-FI consulted with key stakeholders to restructure the management of the Partnership Fund in compliance with PT-FI’s IUPK. Throughout this process, PT-FI continued its contributions to ensure no disruptions in implementation of approved projects. Beginning in February 2020, the Partnership Fund is now managed by a legally recognized Indonesia foundation (Yayasan Pemberdayaan Masyarakat Amungme dan Kamoro or YPMAK). YPMAK is governed by a Board of Governors consisting of seven representatives, including four from PT-FI.

In addition to the Partnership Fund, PT-FI has made and expects to continue making annual investments in public health, education, community infrastructure and local economic development.

Security Matters. Consistent with our ongoing commitment to protect our employees and property, we have taken steps to provide a safe and secure working environment. As part of its security program, PT-FI maintains its own internal civilian security department. Both employees and contractors are unarmed and perform functions such as protecting company facilities, monitoring shipments of supplies and products, assisting in traffic control and aiding in emergency response operations. The security department receives human rights training annually.

PT-FI’s costs for its internal civilian security department totaled $50 million in 2021, $47 million in 2020 and $52 million in 2019.

PT-FI, like all businesses and residents of Indonesia, relies on the Indonesia government for the maintenance of public order, upholding the rule of law and protection of personnel and property. The Grasberg minerals district has been designated by the Indonesia government as one of Indonesia’s vital national assets. This designation results in the police, and to a lesser extent, the military, playing a significant role in protecting the area of our operations. The Indonesia government is responsible for employing police and military personnel and directing their operations.

From the outset of PT-FI’s operations, the Indonesia government has looked to PT-FI to provide logistical and infrastructure support and assistance for these necessary services because of the limited resources of the Indonesia government and the remote location of and lack of development in Papua. PT-FI’s financial support of the Indonesia government security institutions assigned to PT-FI’s operations area represents a prudent response to PT-FI’s requirements and commitments to protect its workforce and property better ensuring that personnel are properly fed and lodged and have the logistical resources to patrol PT-FI’s roads and secure its area of operations. In addition, the provision of such support is consistent with our philosophy of responsible corporate citizenship, and reflects our commitment to pursue practices that protect and respect human rights.

PT-FI’s support costs for the government-provided security totaled $25 million in 2021 and $22 million in both 2020 and 2019. This supplemental support consists of various infrastructure and other costs, including food, housing, fuel, travel, vehicle repairs, allowances to cover incidental and administrative costs, and community assistance programs conducted by the military and police.

Refer to Item 1A. “Risk Factors” for further discussion of security risks in Indonesia.
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MINING PRODUCTION AND SALES DATA
Years Ended December 31,
ProductionSales
COPPER (millions of recoverable pounds)
202120202019202120202019
(FCX’s net interest in %)        
North America        
Morenci (72%)a
631 707 730  632 711 717 
Bagdad (100%)184 216 218  185 213 218 
Safford (100%)265 161 110  252 150 111 
Sierrita (100%)189 178 160  187 177 157 
Miami (100%)12 17 15  13 16 15 
Chino (100%)124 92 175  114 108 174 
Tyrone (100%)55 45 48  53 45 49 
Other (100%)—  — 
Total North America1,460 1,418 1,457  1,436 1,422 1,442 
South America        
Cerro Verde (53.56%)887 820 1,003 888 825 1,002 
El Abra (51%)160 159 180 167 151 181 
Total South America1,047 979 1,183 1,055 976 1,183 
Indonesia        
Grasberg minerals district (48.76%)b
1,336 809 607 1,316 804 667 
Consolidated3,843 3,206 3,247 3,807 
c
3,202 
c
3,292 
c
Less noncontrolling interests741 610 668 741 608 679 
Net3,102 2,596 2,579 3,066 2,594 2,613 
Average realized price per pound$4.33 $2.95 $2.73 
GOLD (thousands of recoverable ounces)
        
North America (100%)11 19 11 13 18 
Indonesia (48.76%)b
1,370 848 863 1,349 842 973 
Consolidated1,381 857 882  1,360 855 991 
Less noncontrolling interests257 159 162 252 158 182 
Net1,124 698 720 1,108 697 809 
Average realized price per ounce$1,796 $1,832 $1,415 
MOLYBDENUM (millions of recoverable pounds)
        
Henderson (100%)12 10 12 N/AN/AN/A
Climax (100%)18 14 17 N/AN/AN/A
North America copper mines (100%)a
34 33 32 N/AN/AN/A
Cerro Verde (53.56%)21 19 29 N/AN/AN/A
Consolidated85 76 90 82 80 90 
Less noncontrolling interest10 13 10 13 
Net75 67 77 73 70 77 
Average realized price per pound$15.56 $10.20 $12.61 
a.Amounts are net of Morenci’s joint venture partners’ undivided interest.
b.Our economic interest in PT-FI is expected to approximate 81 percent through 2022 and 48.76 percent thereafter (refer to Note 3 for further discussion).
c.Consolidated sales volumes exclude purchased copper of 173 million pounds in 2021, 290 million pounds in 2020 and 379 million pounds in 2019.


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SELECTED OPERATING DATA
 Years Ended December 31, 
 20212020201920182017
CONSOLIDATED MINING 
Copper (millions of recoverable pounds)       
Production 3,843 3,206 3,247 3,813 3,737  
Sales, excluding purchases3,807 3,202 3,292 3,811 3,700  
Average realized price per pound$4.33 $2.95 $2.73 $2.91 $2.93 
Gold (thousands of recoverable ounces)       
Production 1,381 857 882 2,439 1,577 
Sales, excluding purchases1,360 855 991 2,389 1,562 
Average realized price per ounce$1,796 $1,832 $1,415 $1,254 $1,268 
Molybdenum (millions of recoverable pounds)       
Production 85 76 90 95 92 
Sales, excluding purchases82 80 90 94 95 
Average realized price per pound$15.56 $10.20 $12.61 $12.50 $9.33 
NORTH AMERICA COPPER MINES
Operating Data, Net of Joint Venture Interestsa
       
Copper (millions of recoverable pounds)       
Production 1,460 1,418 1,457 1,404 1,518 
Sales, excluding purchases1,436 1,422 1,442 1,428 1,484 
Average realized price per pound$4.30 $2.82 $2.74 $2.96 $2.85 
Molybdenum (millions of recoverable pounds)       
Production 34 33 32 32 33  
100% Operating Data       
Leach operations       
Leach ore placed in stockpiles (metric tons per day)665,900 714,300 750,900 681,400 679,000  
Average copper ore grade (percent)0.29 0.27 0.23 0.24 0.28  
Copper production (millions of recoverable pounds)1,056 1,047 993 951 1,016  
Mill operations       
Ore milled (metric tons per day)269,500 279,700 326,100 301,000 299,500  
Average ore grade (percent):       
Copper0.38 0.35 0.34 0.35 0.39  
Molybdenum0.03 0.02 0.02 0.02 0.03  
Copper recovery rate (percent)81.2 84.1 87.0 87.8 86.4  
Copper production (millions of recoverable pounds)649 647 748 719 788  
SOUTH AMERICA MINING 
Copper (millions of recoverable pounds)       
Production 1,047 979 1,183 1,249 1,235  
Sales1,055 976 1,183 1,253 1,235  
Average realized price per pound$4.34 $3.05 $2.71 $2.87  $2.97  
Molybdenum (millions of recoverable pounds)       
Production 21 19 29 28 27  
Leach operations       
Leach ore placed in stockpiles (metric tons per day)163,900 160,300 205,900 195,200 142,800  
Average copper ore grade (percent)0.32 0.35 0.37 0.33 0.37  
Copper production (millions of recoverable pounds)256 241 268 287 255  
Mill operations      
Ore milled (metric tons per day)380,300 331,600 
b
393,100 387,600 360,100 
Average ore grade (percent):      
Copper0.31 0.34 0.36 0.38 0.44 
Molybdenum0.01 0.01 0.02 0.01 0.02 
Copper recovery rate (percent)87.3 84.3 83.5 84.3 81.2 
Copper production (millions of recoverable pounds)791 738 916 962 980 
a.Amounts are net of Morenci’s joint venture partners’ undivided interest.
b.Cerro Verde mill operations were impacted by COVID-19 restrictions.








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SELECTED OPERATING DATA (Continued)
 Years Ended December 31, 
 20212020 201920182017
INDONESIA MINING
Operating Data, Net of Rio Tinto Joint Venture Interesta
      
Copper (millions of recoverable pounds)      
Production 1,336 809 607 1,160 984 
Sales1,316 804 667 1,130 981 
Average realized price per pound$4.34 $3.08  $2.72 $2.89 $3.00 
Gold (thousands of recoverable ounces)      
Production 1,370 848 863 2,416 1,554 
Sales1,349 842 973 2,366 1,540 
Average realized price per ounce$1,796 $1,832 $1,416 $1,254 $1,268 
100% Operating Data      
Ore milled (metric tons per day)151,600 87,700 110,100 178,100 140,400 
Average ore grade:      
Copper (percent)1.30 1.32 0.84 0.98 1.01 
Gold (grams per metric ton)1.04 1.10 0.93 1.58 1.15 
Recovery rates (percent):      
Copper89.8 91.9 88.4 91.8 91.6 
Gold77.0 78.1 75.0 84.7 85.0 
Production:      
Copper (millions of recoverable pounds)1,336 809 607 1,227 996 
Gold (thousands of recoverable ounces)1,370 848 863 2,697 1,554 
MOLYBDENUM MINES
Molybdenum production (millions of recoverable pounds) 30 24 29 35 32 
Ore milled (metric tons per day)21,800 20,700 30,100 27,900 22,500 
Average molybdenum ore grade (percent)0.19 0.17 0.14 0.18 0.20 
a.Prior to December 21, 2018, PT-FI had an unincorporated joint venture with Rio Tinto.

32


MINERAL RESERVES

Our estimates of mineral reserves have been prepared in accordance with the disclosure requirements of S-K 1300. Proven and probable mineral reserves were determined from the application of relevant modifying factors to geological data, in order to establish an operational, economically viable mine plan. The estimates are based on mapping, drilling, sampling, assaying and evaluation methods generally applied in the mining industry. Mineral reserves, as used in the mineral reserve data presented here, means the economically mineable part of a measured or indicated resource, which includes diluting materials and allowances for losses that may occur when the material is mined or extracted. Proven mineral reserves mean the economically mineable part of a measured mineral resource, from geological evidence revealed in outcrops, trenches, workings or drill holes with grades and/or quality estimates from detailed, closely-spaced sampling, and geologic characterization that defines the size, shape, depth and mineral content to a high degree of confidence. Probable mineral reserves means the economically mineable part of an indicated mineral resource, for which quantity and grade are estimated from information similar to that used for measured mineral resources where the samples are farther apart, and the geological characterization is adequate. Probable mineral reserves can also include remaining portions of a measured mineral resource. The degree of assurance, although lower than that for proven mineral reserves, is high enough to assume continuity between points of observation.

Our estimates of recoverable proven and probable mineral reserves are prepared by and are the responsibility of our employees. These estimates are reviewed and verified regularly by independent experts in mining, geology and reserve determination. Our mineral reserve estimates are based on the latest available geological and geotechnical studies. We conduct ongoing studies of our ore bodies to optimize economic values and to manage risk. We revise our mine plans and estimates of recoverable proven and probable mineral reserves as required in accordance with the latest available studies. Refer to Item 1A. “Risk Factors” for discussion of risks associated with our estimates of proven and probable mineral reserves.

Estimated recoverable proven and probable mineral reserves at December 31, 2021, were determined using metals price assumptions of $2.50 per pound for copper, $1,200 per ounce for gold and $10 per pound for molybdenum. For the three-year period ended December 31, 2021, LME copper settlement prices averaged $3.25 per pound, London PM gold prices averaged $1,654 per ounce and the weekly average price for molybdenum quoted by Metals Week averaged $11.97 per pound.

The estimated recoverable proven and probable mineral reserves presented in the table below represent the estimated metal quantities from which we expect to be paid after application of estimated metallurgical recoveries and smelter recoveries, where applicable.
 Estimated Recoverable Proven and Probable Mineral Reserves at December 31, 2021
Coppera
(billion pounds)
Gold
(million ounces)
Molybdenum
(billion pounds)
North America43.0 0.5 2.69 
South America31.9 — 0.69 
Indonesiab
32.2 26.6 — 
Consolidated basisc,d
107.2 27.1 3.39 
Net equity intereste
76.2 14.2 3.06 
a.Estimated consolidated recoverable copper reserves include 1.8 billion pounds in leach stockpiles and 0.3 billion pounds in mill stockpiles (refer to “Mill and Leach Stockpiles” for further discussion).
b.Estimated recoverable proven and probable mineral reserves from Indonesia reflect estimates of minerals that can be recovered through 2041. Refer to Note 13 for discussion of PT-FI’s IUPK.
c.May not foot because of rounding.
d.Consolidated mineral reserves represent estimated metal quantities after reduction for joint venture partner interests at the Morenci mine in North America (refer to Note 3 for further discussion of our Morenci joint venture). Excluded from the table above are our estimated recoverable proven and probable silver reserves of 346 million ounces, which were determined using $15 per ounce.
e.Net equity interest mineral reserves represent estimated consolidated metal quantities further reduced for noncontrolling interest ownership (refer to Note 3 for further discussion of our ownership in subsidiaries). Excluded from the table above are our estimated recoverable proven and probable silver reserves of 230 million ounces. Our net equity interest for estimated metal quantities in Indonesia reflects approximately 81 percent for 2022 and 48.76 percent from 2023 through 2041.
33


Estimated Recoverable Proven and Probable Mineral Reserves
at December 31, 2021
  Proven Mineral ReservesProbable Mineral Reserves
   Average Ore Grade Average Ore Grade
 ProcessingMillionCopperGold MolySilverMillionCopperGold MolySilver
 Method
metric tonsa
%g/t %g/t
metric tonsa
%g/t %g/t
North America             
MorenciMill784 0.37 — 0.02 — 110 0.35 — 0.02 — 
 Crushed leach501 0.37 — — — 87 0.35 — — — 
 ROM leach2,011 0.14 — — — 424 0.15 — — — 
BagdadMill1,928 0.34 — 
b
0.02 1.42 585 0.28 — 
b
0.02 1.17 
 ROM leach19 0.22 — — — 0.20 — — — 
Safford, including Lone StarCrushed leach542 0.46 — — — 143 0.42 — — — 
SierritaMill2,241 0.24 — 
b
0.03 1.25 189 0.19 — 
b
0.02 0.99 
Chino, including CobreMill169 0.50 0.04 — 0.89 60 0.48 0.04 — 0.87 
 ROM leach70 0.27 — — — 10 0.25 — — — 
TyroneROM leach18 0.29 — — — 0.13 — — — 
HendersonMill37 — — 0.18 — 17 — — 0.13 — 
ClimaxMill138 — — 0.15 — 13 — — 0.10 — 
  8,459 1,641 
South America            
Cerro VerdeMill670 0.38 — 0.02 2.00 3,219 0.36 — 0.01 1.92 
 Crushed leach19 0.43 — — — 0.42 — — — 
 ROM leach33 0.38 — — — 56 0.26 — — — 
El AbraCrushed leach538 0.44 — — — 171 0.39 — — — 
 ROM leach16 0.20 — — — 0.18 — — — 
  1,276 3,454 
Indonesia   
Grasberg Block CaveMill316 1.15 0.76 — 3.61 541 1.01 0.69 — 3.87 
DMLZMill91 0.89 0.79 — 4.21 321 0.84 0.71 — 4.03 
Big GossanMill17 2.50 1.02 — 15.56 34 2.14 0.94 — 12.72 
Kucing Liarc
Mill88 1.06 0.96 — 5.64 263 1.02 0.89 — 4.98 
  512 1,159 
Total FCX - 100% Basis 10,247 6,254 
a.Totals may not foot because of rounding.
b.Amounts not shown because of rounding.
c.PT-FI has commenced long-term mine development activities for the Kucing Liar deposit. See “Mining Operations - Indonesia” for discussion of Kucing Liar capital investments.

The reserve table above and the tables on the following pages utilize the abbreviations described below:
 
g/t - grams per metric ton
Moly - Molybdenum
34


Estimated Recoverable Proven and Probable Mineral Reserves
at December 31, 2021
(continued)
Proven and
  
Probablea
Average Ore Grade
Recoveriesb
 ProcessingMillionCopperGold MolySilverCopperGoldMolySilver
 Methodmetric tons%g/t %g/t%%%%
North America           
MorenciMill894 0.37 — 0.02 — 81.6 — 43.3 — 
 Crushed leach589 0.37 — — — 81.9 — — — 
 ROM leach2,435 0.14 — — — 37.4 — — — 
BagdadMill2,513 0.32 — 
c
0.02 1.36 85.8 59.1 81.8 49.3 
 ROM leach21 0.22 — — — 18.3 — — — 
Safford, including Lone StarCrushed leach685 0.45 — — — 72.7 — — — 
SierritaMill2,430 0.23 — 
c
0.02 1.23 80.4 59.1 77.2 49.3 
Chino, including CobreMill228 0.49 0.04 — 0.89 79.1 77.9 — 78.5 
 ROM leach80 0.27 — — — 42.3 — — — 
TyroneROM leach19 0.28 — — — 57.6 — — — 
HendersonMill54 — — 0.16 — — — 87.5 — 
ClimaxMill151 — — 0.15 — — — 88.7 — 
  10,100          
South America           
Cerro VerdeMill3,888 0.37 — 0.01 1.93 85.6 — 54.4 44.9 
 Crushed leach22 0.43 — — — 76.8 — — — 
 ROM leach89 0.31 — — — 51.4 — — — 
El AbraCrushed leach709 0.43 — — — 54.8 — — — 
 ROM leach22 0.19 — — — 29.5 — — — 
  4,731 
Indonesia  
Grasberg Block CaveMill857 1.06 0.71 — 3.78 83.7 63.9 — 55.7 
DMLZMill412 0.85 0.73 — 4.07 84.9 78.7 — 64.1 
Big GossanMill51 2.26 0.97 — 13.65 91.3 67.7 — 64.0 
Kucing Liard
Mill351 1.03 0.91 — 5.15 83.1 52.2 — 39.2 
  1,671 
Total FCX - 100% Basis 16,501          
a.Amounts may not equal the sum of proven and probable mineral reserves as presented on the previous page because of rounding. In additions, totals may not foot because of rounding.
b.Recoveries are net of estimated mill and smelter losses.
c.Amounts not shown because of rounding.
d.PT-FI has commenced long-term mine development activities for the Kucing Liar deposit. See “Mining Operations - Indonesia” for discussion of Kucing Liar capital investments.
35


Estimated Recoverable Proven and Probable Mineral Reserves
at December 31, 2021
(continued)
   
Recoverable Mineral Reservesa
   CopperGoldMolySilver
 FCX’sProcessingbillionmillionbillionmillion
 InterestMethodlbs.ozs.lbs.ozs.
North America      
Morenci72%Mill5.9 — 0.15 — 
  Crushed leach3.9 — — — 
  ROM leach2.8 — — — 
Bagdad100%Mill15.4 0.2 0.92 54.2 
  ROM leach— 
b
— — — 
Safford, including Lone Star100%Crushed leach5.0 — — — 
Sierrita100%Mill10.1 0.1 1.02 47.2 
Chino, including Cobre100%Mill2.0 0.3 — 5.1 
  ROM leach0.2 — — — 
Tyrone100%ROM leach0.1 — — — 
Henderson100%Mill— — 0.17 — 
Climax100%Mill— — 0.44 — 
   45.4 0.5 2.71 106.5 
Recoverable metal in stockpilesc
 1.3 — 
b
0.02 0.1 
100% operations 46.7 0.5 2.73 106.6 
Consolidated 43.0 0.5 2.69 106.6 
Net equity interest 43.0 0.5 2.69 106.6 
South America      
Cerro Verde53.56%Mill26.8 — 0.69 108.4 
  Crushed leach0.2 — — — 
  ROM leach0.3 — — — 
El Abra51%Crushed leach3.7 — — — 
  ROM leach— 
b
— — — 
   31.0 — 0.69 108.4 
Recoverable metal in stockpilesc
 0.9 — 0.01 1.2 
100% operations 31.9  0.69 109.6 
Consolidated 31.9  0.69 109.6 
Net equity interest 17.0  0.37 58.7 
Indonesia      
Grasberg Block Cave
48.76%d
Mill16.7 12.6 — 57.9 
DMLZ
48.76%d
Mill6.6 7.6 — 34.5 
Big Gossan
48.76%d
Mill2.3 1.1 — 14.2 
Kucing Liare
48.76%d
Mill6.6 5.3 — 22.8 
100% operations 32.2 26.6  129.5 
Consolidated 32.2 26.6  129.5 
Net equity interest 16.2 13.6  65.1 
Total FCX -  100% basis 110.8 27.1 3.43 345.7 
Total FCX -  Consolidated basisf
 107.2 27.1 3.39 345.7 
Total FCX -  Net equity interestg
 76.2 14.2 3.06 230.5 
a.Totals may not foot because of rounding.
b.Amounts not shown because of rounding.
c.Refer to “Mill and Leach Stockpiles” for additional information.
d.Our economic interest in PT-FI is expected to approximate 81 percent for 2022 and 48.76 percent thereafter (refer to Note 3 for further discussion).
e.PT-FI has commenced long-term mine development activities for the Kucing Liar deposit. See “Mining Operations - Indonesia” for discussion of Kucing Liar capital investments.
f.Consolidated mineral reserves represent estimated metal quantities after reduction for Morenci’s joint venture partner interests (refer to Note 3 for further discussion).
g.Net equity interest mineral reserves represent estimated consolidated metal quantities further reduced for noncontrolling interest ownership (refer to Note 3 for further discussion of our ownership in subsidiaries). Our net equity interest for estimated metal quantities in Indonesia reflects approximately 81 percent for 2022 and 48.76 percent from 2023 through 2041.

36


The table below summarizes changes in estimated recoverable copper, gold and molybdenum in mineral reserves between December 31, 2020 and 2021, for our properties identified as material under S-K 1300:
Estimated Recoverable Mineral Reserves on 100% Basis
Copper
(billion lbs.)
Gold
(million ozs.)
Molybdenum
(billion lbs.)
MorenciCerro VerdeGrasberg minerals districtGrasberg minerals districtMorenciCerro Verde
Mineral reserves as of December 31, 202014.3 28.6 33.4 28.3 0.20 0.70 
Production(0.9)(0.9)(1.3)(1.4)(0.01)(0.02)
Adjustmentsa
(0.3)0.2 0.1 (0.3)(0.04)0.01 
Mineral reserves as of December 31, 202113.1 27.9 32.2 26.6 0.15 0.69 
a.The downward adjustments at Morenci are primarily the result of revised mine designs, partly offset by increased crushed leach recovery and re-routing of ore types. The upward adjustments at Cerro Verde are primarily the result of updated resource modeling and revised mine designs, partly offset by mine scheduling strategy and near-term recovery assumptions. The adjustments at Grasberg minerals district are primarily the result of revised mine designs and mine schedule changes.

In defining our open-pit mineral reserves, we apply a “variable cutoff grade” strategy. The objective of this strategy is to maximize the net present value of our operations. We use a “break-even cutoff grade” to define the in-situ mineral reserves for our underground ore bodies. The break-even cutoff grade is defined for a metric ton of ore as that equivalent copper grade, once produced and sold, that generates sufficient revenue to cover all operating and administrative costs associated with our production.

Our copper mines may contain other commercially recoverable metals, such as gold, molybdenum and silver. We value all commercially recoverable metals in terms of a copper equivalent percentage to determine a single cutoff grade. Copper equivalent percentage is used to express the relative value of multi-metal ores in terms of one metal. The calculation expresses the relative value of the ore using estimates of contained metal quantities, metals prices as used for reserve determination, recovery rates, treatment charges and royalties. Our molybdenum properties use a molybdenum cutoff grade.

The table below shows the minimum cutoff grade for mineral reserves by process for each of our existing ore bodies as of December 31, 2021:        
Copper Equivalent Cutoff Grade (Percent)Molybdenum
Cutoff Grade
(Percent)
MillCrushed
 Leach
ROM
Leach
Mill
North America  
Morenci0.210.140.03
Bagdad0.090.15
Safford, including Lone Star0.17
Sierrita0.17
Chino, including Cobre0.220.06
Tyrone0.05
Henderson0.13
Climax0.05
South America 
Cerro Verde0.150.240.08
El Abra0.150.11
Indonesia 
Grasberg Block Cave0.63
DMLZ0.71
Big Gossan1.70
Kucing Liar0.70
37


Production Sequencing
The following chart illustrates our current plans for sequencing and producing our proven and probable mineral reserves at each of our ore bodies and the years in which we currently expect production from each ore body and related stockpiles. Our proven and probable mineral reserves in Indonesia reflect estimates of minerals that can be recovered through the end of 2041, and our current mine plan and planned operations are based on the assumption that PT-FI will comply with its obligations under the IUPK and receive the second 10-year extension from 2031 through 2041 (refer to Item 1A. “Risk Factors” and Note 13 for further discussion). We develop our mine plans based on maximizing the net present value from the ore bodies. Significant additional capital expenditures will be required at many of these mines in order to achieve the life-of-mine plans reflected below.
fcx-20211231_g15.jpg
a.Development commenced in October 2021. The ultimate timing of the start of production is dependent upon a number of factors and may vary from the date shown here.

38


Mill and Leach Stockpiles
Mill and leach stockpiles generally contain lower grade ores that have been extracted from an ore body and are available for metal recovery. Mill stockpiles contain sulfide ores and recovery of metal is through milling, concentrating, smelting and refining or, alternatively, by concentrate leaching. Leach stockpiles contain oxide ores and certain secondary sulfide ores and recovery of metal is through exposure to acidic solutions that dissolve contained copper and deliver it in solution to extraction processing facilities.

Because it is impracticable to determine copper contained in mill and leach stockpiles by physical count, reasonable estimation methods are employed. The quantity of material delivered to mill and leach stockpiles is based on surveyed volumes of mined material and daily production records. Sampling and assaying of blasthole cuttings determine the estimated copper grades of material delivered to mill and leach stockpiles.

Expected copper recoveries for mill stockpiles are determined by metallurgical testing. The recoverable copper in mill stockpiles, once entered into the production process, can be produced into copper concentrate almost immediately.

Expected copper recoveries for leach stockpiles are determined using small-scale laboratory tests, small- to large-scale column testing (which simulates the production process), historical trends and other factors, including mineralogy of the ore and rock type. Total copper recovery in leach stockpiles can vary significantly from a low percentage to more than 90 percent depending on several variables, including processing methodology, processing variables, mineralogy and particle size of the rock. For newly placed material on active stockpiles, as much as 80 percent of total copper recovery may be extracted during the first year, and the remaining copper may be recovered over many years. Processes and recoveries are monitored regularly, and recovery estimates are adjusted periodically as additional information becomes available and as related technology changes.

Following are our stockpiles and the estimated recoverable copper contained within those stockpiles as of December 31, 2021:
Recoverable
MillionAverageRecoveries
Coppera
Metric Tonsa
Ore Grade (%) (%)(billion pounds)
Mill stockpiles
Cerro Verde79 0.27 64.5 0.3 
North America copper mines0.45 90.9 — 
b
84 0.3 
Leach stockpiles
Morenci7,216 0.24 1.1 0.4 
Bagdad505 0.25 0.8 — 
b
Safford, including Lone Star382 0.42 6.4 0.2 
Sierrita650 0.15 8.6 0.2 
Miami498 0.39 1.0 — 
b
Chino, including Cobre1,769 0.25 2.7 0.3 
Tyrone1,192 0.28 1.8 0.1 
Cerro Verde566 0.45 4.7 0.3 
El Abra855 0.43 4.6 0.4 
13,633 1.9 
Total FCX - 100% basis2.3 
Total FCX - Consolidated basisc
2.1 
Total FCX - Net equity interestd
1.7 
a.Totals may not foot because of rounding.
b.Rounds to less than 0.1 billion pounds of recoverable copper.
c.Consolidated stockpiles represent estimated metal quantities after reduction for Morenci’s joint venture partner interests (refer to Note 3 for further discussion).
d.Net equity interest represents estimated consolidated metal quantities further reduced for noncontrolling interest ownership (refer to Note 3 for further discussion of our ownership in subsidiaries).

39


Mineral Resources
Our estimates of mineral resources have been prepared in accordance with the disclosure requirements of S-K 1300. As a result of the SEC’s revised disclosure requirements for mining registrants, we replaced our estimate of mineralized material with an estimate of mineral resources, including measured, indicated and inferred resources in accordance with the disclosure requirements of S-K 1300. We hold various properties containing mineral resources in addition to mineral reserves that we believe could be brought into production should market conditions warrant. However, permitting and significant capital expenditures may be required before mining of these resources could commence at these properties. A mineral resource is a concentration or occurrence of material of economic interest in such form, grade or quality, and quantity that there are reasonable prospects for economic extraction. Such a deposit cannot qualify as recoverable proven and probable mineral reserves until engineering, legal and economic feasibility are confirmed based upon a comprehensive evaluation of development and operating costs, grades, recoveries and other material factors. Mineral resources include measured, indicated and inferred mineral classifications. A measured mineral resource is a resource for which the quantity and grade are estimated from detailed, closely-spaced sampling, and geologic characterization that defines the size, shape, depth and mineral content to a high degree of confidence. An indicated mineral resource is a resource for which quantity and grade are estimated from information similar to that used for measured mineral resources where the samples are farther apart, and the geological characterization is adequate. An inferred mineral resource is a resource for which quantity and grade are estimated from information similar to that used for measured and indicated mineral resources, but with limited geological evidence and sampling. Inferred mineral resource grade and mineralization continuity have a lower degree of confidence. Accordingly, no assurance can be given that the estimated mineral resources not included in mineral reserves will become proven and probable mineral reserves. Estimated mineral resources as presented on the following pages were assessed using prices of $3.00 per pound for copper, $1,200 per ounce for gold, $12 per pound for molybdenum and $20 per ounce for silver. Cutoff grade strategy and expected recoveries used to evaluate mineral resources are consistent with those for mineral reserves but would require additional work to substantiate. Refer to Item 1A. “Risk Factors” for discussion of risks associated with our estimates of mineral resources.
40


Estimated Mineral Resources
at December 31, 2021a
  MeasuredIndicatedInferred
  MillionAverage Ore GradeMillionAverage Ore GradeMillionAverage Ore Grade
 FCX’sProcessingmetricCopperGoldMolySilvermetricCopperGoldMolySilvermetricCopperGoldMolySilver
 InterestMethodtons%g/t%g/ttons%g/t%g/ttons%g/t%g/t
North America       
Morenci72%Milling1,280 0.25 — 0.02 — 1,077 0.27 — 0.02 — 570 0.27 — 0.02 — 
Leaching1,135 0.16 — — — 898 0.16 — — — 522 0.12 — — — 
Bagdad100%Milling492 0.32 — 
b
0.02 1.36 717 0.27 — 
b
0.02 1.13 961 0.17 — 
b
0.01 0.70 
Leaching— 
b
0.22 — — — 0.08 — — — 11 0.08 — — — 
Safford, including Lone Star100%Milling807 0.34 0.02 — 0.45 1,588 0.37 0.02 — 0.44 823 0.29 — 
b
— 0.03 
Leaching556 0.31 — — — 568 0.28 — — — 241 0.26 — — — 
Sierrita100%Milling1,467 0.18 — 
b
0.02 0.74 597 0.17 — 
b
0.02 0.79 131 0.16 — 
b
0.01 0.75 
Chino, including Cobre100%Milling283 0.38 0.04 0.01 0.73 157 0.43 0.04 0.01 0.78 27 0.55 0.05 0.01 0.99 
Leaching27 0.22 — — — 0.28 — — — 0.26 — — — 
Tyrone100%Leaching115 0.22 — — — 29 0.21 — — — 15 0.21 — — — 
Henderson100%Milling75 — — 0.15 — 36 — — 0.12 — — 
b
— — 0.04 — 
Climax100%Milling310 — — 0.17 — 73 — — 0.09 — 18 — — 0.06 — 
Ajo100%Milling470 0.37 0.06 0.01 0.81 159 0.32 0.04 0.01 0.76 31 0.24 0.05 — 
b
0.80 
Cochise/Bisbee100%Leaching153 0.48 — — — 124 0.41 — — — 21 0.37 — — — 
Sanchez100%Leaching86 0.35 — — — 104 0.23 — — — 14 0.18 — — — 
Tohono100%Milling63 0.74 — — — 237 0.64 — — — 27 0.46 — — — 
Leaching45 0.94 — — — 250 0.61 — — — 48 0.49 — — — 
Twin Buttes100%Milling188 0.58 0.01 0.03 6.23 17 0.56 0.01 0.03 5.94 0.67 0.01 0.02 7.27 
Leaching78 0.22 — — — 27 0.20 — — — 11 0.25 — — — 
Christmas100%Milling73 0.52 0.06 — 
b
1.53 291 0.35 0.05 — 
b
0.92 69 0.36 0.06 — 
b
0.94 
South America  
Cerro Verde53.56%Milling22 0.31 — 0.01 1.64 1,460 0.36 — 0.01 1.90 673 0.35 — 0.01 1.87 
Leaching10 0.35 — — — 27 0.29 — — — 13 0.32 — — — 
El Abra51%Milling883 0.45 0.02 0.01 1.52 1,513 0.37 0.02 0.01 1.16 1,012 0.31 0.01 0.01 0.87 
Leaching64 0.24 — — — 72 0.25 — — — 66 0.23 — — — 
Indonesia  
Grasberg minerals district48.76%Milling319 0.78 0.60 — 4.39 2,136 0.76 0.64 — 4.15 154 0.49 0.40 — 2.77 
Total FCX - 100% basisc
 9,001 12,160 5,472 
Total FCX - Consolidated basisd
8,323    11,606  5,166 
Total FCX - Net equity intereste
7,681    9,044  4,240 
a.Mineral resources are exclusive of mineral reserves.
b.Amounts not shown because of rounding.
c.Totals may not foot because of rounding.
d.Consolidated basis represents estimated mineral resources after reduction for Morenci’s joint venture partner interests (refer to Note 3 for further discussion).
e.Net equity interest represents estimated consolidated mineral resources further reduced for noncontrolling interest ownership (refer to Note 3 for further discussion).


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Estimated Mineral Resources
at December 31, 2021a (continued)
  Measured + IndicatedTotal Mineral Resources
  MillionMillionAverage Ore Grade
Contained Metalc
Cutoff Graded
 FCX’sProcessingmetricmetricCopperGoldMolySilverCopperGoldMolySilver
 InterestMethod
tonsb
tonsb
%g/t%g/tbillion lbs.million ozs.billion lbs.million ozs.Grade %
North America    
Morenci72%Milling2,358 2,928 0.26 — 0.02 — 16.8 — 1.11 — 0.14 
Leaching2,033 2,555 0.15 — — — 8.6 — — — 0.02 
Bagdad100%Milling1,209 2,169 0.24 — 
e
0.02 0.99 11.3 0.2 0.85 69.3 0.08 
Leaching12 0.08 — — — — 
e
— — — 0.03 
Safford, including Lone Star100%Milling2,394 3,218 0.34 0.02 — 0.34 24.3 1.6 — 34.7 0.15 
Leaching1,123 1,364 0.29 — — — 8.7 — — — 0.11 
Sierrita100%Milling2,064 2,195 0.18 — 
e
0.02 0.75 8.5 — 
e
0.96 53.0 0.12 
Chino, including Cobre100%Milling440 467 0.41 0.04 0.01 0.76 4.2 0.6 0.10 11.4 0.17 
Leaching31 38 0.23 — — — 0.2 — — — 0.06 
Tyrone100%Leaching143 158 0.22 — — — 0.8 — — — 0.02 
Henderson100%Milling112 112 — — 0.14 — — — 0.35 — 0.10 
Climax100%Milling383 401 — — 0.15 — — — 1.34 — 0.04 
Ajo100%Milling628 659 0.36 0.06 0.01 0.80 5.2 1.2 0.11 16.9 0.14 
Cochise/Bisbee100%Leaching278 299 0.44 — — — 2.9 — — — 0.10 
Sanchez100%Leaching190 204 0.28 — — — 1.2 — — — 0.07 
Tohono100%Milling301 328 0.64 — — — 4.6 — — — 0.15 
Leaching295 343 0.64 — — — 4.8 — — — 0.12 
Twin Buttes100%Milling205 213 0.59 0.01 0.03 6.24 2.7 — 
e
0.15 42.7 0.20 
Leaching105 116 0.22 — — — 0.6 — — — 0.01 
Christmas100%Milling364 433 0.38 0.06 — 
e
1.02 3.6 0.8 0.03 14.2 0.18 
South America  
Cerro Verde53.56%Milling1,482 2,155 0.35 — 0.01 1.88 16.8 — 0.60 130.5 0.14 
Leaching37 50 0.31 — — — 0.3 — — — 0.08 
El Abra51%Milling2,396 3,408 0.37 0.02 0.01 1.17 27.8 1.9 0.62 127.7 0.14 
Leaching137 203 0.24 — — — 1.1 — — — 0.08 
Indonesia  
Grasberg minerals district48.76%Milling2,454 2,608 0.75 0.62 — 4.10 42.8 51.8 — 343.9 0.51 
Total FCX - 100% basisf
 21,161 26,634 197.9 58.1 6.21 844.4 
Total FCX - Consolidated basisg
19,929 25,095  190.8 58.1 5.90 844.4 
Total FCX - Net equity interesth
16,725 20,965  146.8 30.7 5.32 545.0 
a.Mineral resources are exclusive of mineral reserves.
b.Amounts may not equal the sum of measured, indicated and inferred (as presented on the prior page) because of rounding.
c.Estimated recoveries are consistent with those for mineral reserves but would require additional work to substantiate.
d.All sites report a percent equivalent copper grade except for Climax and Henderson, which report a percent molybdenum grade. Cutoff grade is the minimum grade considered for processed material.
e.Amounts not shown because of rounding.
f.Totals may not foot because of rounding.
g.Consolidated basis represent estimated mineral resources after reduction for Morenci’s joint venture partner interests (refer to Note 3 for further discussion).
h.Net equity interest represent estimated consolidated mineral resources further reduced for noncontrolling interest ownership (refer to Note 3 for further discussion).
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The table below summarizes changes in estimated contained copper, gold and molybdenum in mineral resources between December 31, 2020 and 2021, for our properties identified as material under S-K 1300:
Estimated Contained Mineral Resources at 100% Basis
Copper
(billion lbs.)
Gold
(million ozs.)
Molybdenum
(billion lbs.)
MorenciCerro VerdeGrasberg minerals districtGrasberg minerals districtMorenciCerro Verde
Mineral resources as of December 31, 202023.7 17.5 43.6 54.0 1.06 0.61 
Adjustmentsa
1.7 (0.4)(0.8)(2.2)0.05 (0.01)
Mineral resources as of December 31, 202125.4 17.1 42.8 51.8 1.11 0.60 
a.The upward adjustments at Morenci are primarily the result of lower estimated unit costs coupled with revised mine designs. The downward adjustments at Cerro Verde are primarily the result of converting material from mineral resources to mineral reserves in the revised mineral reserves mine designs. The downward adjustments at the Grasberg minerals district are primarily the result of revised mine designs and a higher cutoff grade.

Internal Controls over the Mineral Reserves and Mineral Resources Estimation Process
We have internal controls over the mineral reserves and mineral resources estimation processes that result in reasonable and reliable estimates aligned with industry practice and reporting regulations. Annually, qualified persons and other employees review the estimates of mineral reserves and mineral resources, the supporting documentation, and compliance to the internal controls, and, based on their review of such information, recommend approval to use the mineral reserve and mineral resource estimates to our senior management. Our controls utilize management systems including but not limited to, formal quality assurance and quality control protocols, standardized procedures, workflow processes, supervision and management approval, internal and external reviews and audits, reconciliations, and data security covering record keeping, chain of custody and data storage.

Our systems also cover exploration activities, sample preparation and analysis, data verification, mineral processing, metallurgical testing, recovery estimation, mine design and sequencing, and mineral reserve and resource evaluations, with environmental, social and regulatory considerations. Our quality assurance and control protocols over sampling and assaying of drill hole samples include insertion of blind samples consisting of standards, blanks, and duplicates in the primary sample streams, as well as selective sample validation at secondary laboratories.

These controls and other methods help to validate the reasonableness of the estimates. The effectiveness of the controls are reviewed periodically to address changes in conditions and the degree of compliance with policies and procedures. Refer to Item 1A. “Risk Factors” for discussion of risks associated with our estimates of mineral reserves and mineral resources.
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Item 1A. Risk Factors.

This report contains forward-looking statements in which we discuss our potential future performance. Forward-looking statements are all statements other than statements of historical facts, such as plans, projections, or expectations relating to business outlook, strategy, goals or targets; ore grades and milling rates; production and sales volumes; unit net cash costs; capital expenditures; operating costs; operating plans; cash flows; liquidity; PT Freeport Indonesia’s (PT-FI) financing, construction and completion of additional domestic smelting capacity in Indonesia in accordance with the terms of its special mining license (IUPK); our commitments to deliver responsibly produced copper, including plans to implement and validate all of our operating sites under the Copper Mark, and to comply with other disclosure frameworks; execution of our energy and climate strategies and the underlying assumptions and estimated impacts on our business related thereto; achievement of climate commitments and net zero aspirations; improvements in operating procedures and technology innovations; exploration efforts and results; development and production activities, rates and costs; future organic growth opportunities; tax rates; export quotas and duties; impact of copper, gold and molybdenum price changes; impact of deferred intercompany profits on earnings; mineral reserve and mineral resource estimates; final resolution of settlements associated with ongoing legal proceedings; and the ongoing implementation of our financial policy and future returns to shareholders, including dividend payments (base or variable) and share repurchases.

We undertake no obligation to update any forward-looking statements, which speak only as of the date made. We caution readers that forward-looking statements are not guarantees of future performance and our actual results may differ materially from those anticipated, expected, projected or assumed in the forward-looking statements. Important factors that can cause our actual results to differ materially from those anticipated in the forward-looking statements are included below.

Risk Factor Summary
Investing in our securities involves a high degree of risk and uncertainties. Below is a summary of the risk factors that may have a material adverse impact on our business, financial performance, stock price, results of operations, operating flexibility, reputation, costs or liabilities. In addition to this summary and the more detailed description of each risk factor that immediately follows this summary, you should carefully consider the information included in other sections of this annual report on Form 10-K, including but not limited to Items 1. and 2. “Business and Properties,” Items 7. and 7A. “Management’s Discussion and Analysis of Financial Condition and Results of Operations and Quantitative and Qualitative Disclosures About Market Risk” (MD&A) and Item 3. “Legal Proceedings” prior to investing in our securities. However, the risk factors described herein are not all of the risks we may face. Other risks not presently known to us or that we currently believe are immaterial may materially affect our business if they occur and the trading price of our securities could decline, and you may lose part or all of your investment. Moreover, new risks emerge from time to time. Further, our business may also be affected by general risks that apply to all companies operating in the United States (U.S.) and globally, which have not been included.

Financial risks
Fluctuations or extended material declines in the market prices of the commodities we produce;
Less flexibility due to our debt and other financial commitments;
The ongoing COVID-19 pandemic and any future public health crisis;
Changes in or failure to comply with financial assurance requirements relating to our mine closure reclamation obligations; and
Unanticipated litigation or negative developments in pending litigation, changes in income tax laws or other contingencies.

International risks
Geopolitical, economic and social uncertainties and risks for our international operations, including in Indonesia, Peru and Chile; and
Failure of PT-FI to meet its commitments to achieve the extension of PT-FI’s IUPK through 2041.


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Operational risks
Operational risks inherent in mining, including underground mining;
Environmental, safety and engineering challenges and risks associated with management of waste rock and tailings;
Environmental challenges associated with our Indonesia mining operations;
Violence, civil and religious strife, and activism;
Availability of significant quantities of secure water supplies for our mining operations, including future expansions or development projects;
Fluctuations in price and availability of commodities we purchase as well as constraints on supply and logistics, and transportation services; and
Disruptions, damage, failure and implementation and integration risks associated with information technology systems.

Human capital risks
Failure to maintain good relations with our workforce and labor disputes or labor unrest; and
Ability to attract, retain and develop qualified personnel.

Risks related to development projects and mineral reserves
Inherent risks associated with development projects and unique risks associated with development of underground mining;
Ability to replace mineral reserves depleted by production; and
Inherent uncertainty associated with estimates of mineral reserves and mineral resources.

Regulatory, environmental and social risks
Compliance with applicable environmental, health and safety laws and regulations;
Remediation of properties no longer in operation;
Ability to meet our energy requirements while complying with greenhouse gas emissions (GHG) regulations and other energy transition policy changes;
The physical impacts of climate change on our operations, workforce and supply chain;
Increasing scrutiny and evolving expectations from stakeholders with respect to our environmental, social and governance (ESG) practices, performance and disclosures; and
Failure or perceived failure to manage relationships with the communities and/or Indigenous Peoples where we operate or that are near our operations.

Risks related to our common stock
Holding company structure impact on our ability to service debt, declare cash dividends or repurchase shares; and
Impact of anti-takeover provisions in our charter documents and under Delaware law.

Financial risks

Fluctuations in the market prices of the commodities we produce have caused and may continue to cause significant volatility in our financial performance and in the trading prices of our common stock. Extended material declines in the market prices of such commodities could adversely affect our financial condition.

Our financial results vary with fluctuations in the market prices of the commodities we produce, primarily copper and gold, and to a lesser extent molybdenum. Extended material declines in market prices of such commodities could have a material adverse effect on our financial results and the value of our assets, may depress the price of our common stock, and may have a material adverse effect on our ability to comply with financial and other covenants in our debt agreements, repay our debt and meet our other obligations. During 2020, the COVID-19 pandemic and resulting negative impact on the global economy created significant volatility in the financial markets, including the copper market. Copper prices were initially impacted by economic uncertainty; however, in mid-2020 copper prices began to rise and reached a record high during 2021, despite the ongoing COVID-19 pandemic.

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Fluctuations in commodities prices are caused by varied and complex factors beyond our control, including global supply and demand and inventory levels; global economic and political conditions; international regulatory, trade and/or tax policies, including national tariffs; commodities investment activity and speculation; interest rates; expectations regarding future inflation rates; the strength of the U.S. dollar compared to foreign currencies; the price and availability of substitute products; and changes in technology. Volatility in global economic growth, particularly in developing economies, has the potential to adversely affect future demand and prices for commodities. Geopolitical uncertainty and protectionism, have the potential to inhibit international trade and negatively impact business confidence, which creates the risk of constraints on our ability to trade in certain markets and has the potential to increase price volatility.

In addition to the factors discussed above, copper prices may be affected by demand from China, which is currently the largest consumer of refined copper in the world for infrastructure, the growing markets for automobiles and appliances and by the global focus on a transition to new technologies for clean energy, to advance communications and to enhance public health, as well as demand from North America, Europe, and Asian countries other than China. Additional factors affecting gold prices may include purchases and sales of gold by governments and central banks, demand from China and India, two of the world’s largest consumers of gold, and global demand for jewelry containing gold. For additional information regarding the historical fluctuations of the prices of copper, gold and molybdenum, refer to “Markets” in MD&A.

If market prices for the primary commodities we produce were to materially decline and remain low for a sustained period of time, we may have to revise our operating plans, including curtailing or modifying our mining and processing operations, as we had to do in early 2020 in response to the global COVID-19 pandemic. We may be unable to decrease our costs in an amount sufficient to offset reductions in revenues, in which case we may incur losses, and those losses may be material.

Declines in prices of commodities we sell could also result in metals inventory adjustments and impairment charges for our long-lived assets. Refer to Note 4 for additional information regarding metals inventory adjustments recorded for the three years ended December 31, 2021. Other events that could result in impairment of our long-lived assets include, but are not limited to, decreases in estimated proven and probable mineral reserves and any event that might have a material adverse effect on current and future expected mine production costs.

Our debt and other financial commitments may limit our financial and operating flexibility.

At December 31, 2021, our total consolidated debt was $9.5 billion (see MD&A and Note 8) and our total consolidated cash and cash equivalents was $8.1 billion. We also have various other financial commitments, including reclamation and environmental obligations, take-or-pay contracts and leases. For further information, see the risk factor below relating to mine closure and reclamation regulations. Although we have been successful in repaying debt in the past, refinancing our bank facilities, and issuing new debt securities in capital markets transactions, there can be no assurance that we can continue to do so. See the risk factor below regarding increasing scrutiny and evolving expectations from stakeholders, including creditors, with respect to our ESG practices, performance and disclosures. In addition, we or our subsidiaries may incur additional debt in future periods or reduce our holdings of cash and cash equivalents in connection with funding existing operations, capital expenditures, dividends, share repurchases or in pursuing other business opportunities.

Our level of indebtedness and other financial commitments could have important consequences to our business, including the following:
Limiting our flexibility in planning for, or reacting to, changes in the industry in which we operate;
Increasing our vulnerability to general adverse economic, industry and regulatory conditions;
Limiting our ability to fund future working capital, capital expenditures, general corporate requirements and/or material contingencies, to engage in future development activities, or to otherwise realize the value of our assets and opportunities fully because of the need to dedicate a substantial portion of our cash flows from operations to payments on our debt;
Requiring us to sell assets to reduce debt; or
Placing us at a competitive disadvantage compared to our competitors that have less debt and/or fewer financial commitments.

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Any failure to comply with the financial and/or other covenants in our debt agreements may result in an event of default that would allow the creditors to accelerate maturities of the related debt, which in turn may trigger cross-acceleration or cross-default provisions in other debt agreements. Our available cash and liquidity may not be sufficient to fully repay borrowings under our debt instruments that may be accelerated upon an event of default.

As of January 31, 2022, our senior unsecured debt was rated “Baa3” with a stable outlook by Moody’s Investors Service, “BBB-” with a stable outlook by Fitch Ratings, and “BB+” with a stable outlook by Standard & Poor’s. If we are unable to maintain our indebtedness and financial ratios at levels acceptable to these credit rating agencies, or should our business prospects deteriorate, our current credit ratings could be downgraded, which could adversely affect the value of our outstanding securities and existing debt, our ability to obtain new financing on favorable terms and could increase our borrowing costs.

The ongoing COVID-19 pandemic and any future major public health crisis may have an adverse impact on our business.

Since early 2020, the COVID-19 pandemic has significantly impacted economic activity and markets throughout the world. The extent and duration of adverse impacts that the COVID-19 pandemic (including new and emerging strains and variants) or any future major public health crisis may have on our operations and business, including demand for the commodities we produce, and on global financial markets remains uncertain. Our business and results of operations could be adversely affected if significant portions of our workforce are unable to work effectively, including because of illness, quarantines, government actions or other restrictions. Despite our efforts to manage the impacts of the pandemic, there can be no assurance that our actions will be effective in containing and mitigating the risk of spread or a major outbreak of COVID-19 (or any future major public health crisis) at our operating sites. Additionally, although several vaccines for COVID-19 have been approved, there are risks that these vaccines will not be effective against new and emerging strains and variants of the virus and that these vaccines may not be widely available or accepted in the areas in which we operate. A major outbreak of COVID-19 (or any future major public health crisis) at any of our operating sites, and particularly at PT-FI’s remote operating site, could disrupt or change our operating plans, which may have a material adverse effect on our business and results of operations.

Actions taken by governmental authorities and third parties to contain and mitigate the risk of spread of COVID-19 (and those that may be taken for any future major public health crisis) have impacted and may in the future negatively impact our business. For example, in mid-March 2020, the Peru government issued a Supreme Decree and declaration of a National Emergency in its efforts to contain the outbreak of COVID-19. To comply with the government’s requirements, in 2020, we temporarily transitioned our Cerro Verde mine to care and maintenance status and adjusted operations to prioritize critical activities. These and other impacts of COVID-19, or any future major public health crisis, had, or could have a material adverse impact on our business, results of operations and financial condition.

Changes in or the failure to comply with the requirements of mine closure and reclamation regulations could have a material adverse effect on our business.

We are required by U.S. federal and state laws and regulations to provide financial assurance sufficient to allow a third party to implement approved closure and reclamation plans for our mining properties if we are unable to do so. As of December 31, 2021, our financial assurance obligations totaled $1.5 billion for closure and reclamation/restoration costs of U.S. mining sites. Refer to Note 12 for additional information regarding our financial assurance obligations and Items 1. and 2. “Business and Properties” for a discussion of certain of such U.S. federal and state laws and regulations applicable to Freeport-McMoRan Inc. (FCX). A substantial portion of our financial assurance obligations are satisfied by FCX and subsidiary guarantees. Our ability to continue to provide guarantees depends on state and other regulatory requirements, our financial performance and our financial condition. Other forms of assurance, such as letters of credit and surety bonds, are costly to provide and, depending on our financial condition and market conditions, may be difficult or impossible to obtain. Failure to provide the required financial assurance could result in the closure of the affected properties.

Plans and provisions for mine closure and remediation may change over time due to changes in stakeholder expectations, legislation, standards, and technical understanding and techniques, which may cause our provisions for environmental and asset retirement obligations to be underestimated and could materially affect our financial position or results of operations. For example, our implementation of the Global Industry Standard for Tailings Management (the Tailings Standard) (discussed in Items 1. and 2. “Business and Properties” herein) could require
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changes to our closure and reclamation plans, although it is uncertain if these changes would result in material capital or operating cost increases. In addition, climate change could lead to changes in the physical risks posed to our operations, which could result in changes in our closure and reclamation plans to address such risks. Any modifications to our closure and reclamation plans that may be required to address physical climate risks may materially increase the costs associated with implementing closure and reclamation at any or all of our active or inactive mine sites and the financial assurance obligations related to the same. Refer to Notes 1 and 12, for further discussion of our environmental and asset retirement obligations and see the risk factor below relating to the physical impacts of climate change.

Unanticipated litigation or negative developments in pending litigation, changes in income tax laws or other contingencies could have a material adverse effect on our financial condition.

We are, and may in the future become, involved in various legal proceedings and subject to other contingencies that have arisen or may arise in the ordinary course of our business or are associated with environmental matters, including those described in Note 12 and in Item 3. “Legal Proceedings”. We are also involved periodically in other reviews, inquiries, investigations and other proceedings initiated by or involving government agencies, some of which may result in adverse judgments, settlements, fines, penalties, injunctions or other relief. From time to time we are involved in disputes over the allocation of environmental remediation obligations at “Superfund” and other sites. In addition, we may be held responsible for the costs of addressing contamination at the site of current or former activities or at third party sites, or be held liable to third parties for exposure to hazardous substances should those be identified in the future. The outcome of litigation is inherently uncertain and adverse developments or outcomes can result in significant monetary damages, penalties, other sanctions or injunctive relief against us, limitations on our property rights, or regulatory interpretations that increase our operating costs. Management does not believe, based on currently available information, that the outcome of any individual legal proceeding will have a material adverse effect on our financial condition, although individual or cumulative outcomes could be material to our operating results for a particular period, depending on the nature and magnitude of the outcome and the operating results for the period.

Regardless of the merit of particular claims, defending against litigation or responding to investigations can be expensive, time-consuming, disruptive to our operations and distracting to management. In recognition of these considerations, we may enter into agreements or other arrangements to settle litigation and resolve such challenges. There can be no assurance such agreements can be obtained on acceptable terms or that litigation will not occur.

Further, we are a global business with operations in various jurisdictions. In the event of a dispute arising at our foreign operations, we may be subject to the exclusive jurisdiction of foreign courts or arbitral panels, or may not be successful in subjecting foreign persons to the jurisdiction of courts or arbitral panels in the U.S. or in enforcing the judgment of a foreign court or arbitral panel against a sovereign nation. Our inability to enforce our right and the enforcement of rights on a prejudicial basis by foreign courts or arbitral panels, including against a sovereign nation, could have an adverse effect on our results of operations and financial position.

We have significant net operating losses (NOLs) in the U.S. generated in prior years. These NOLs are available to offset future taxable income, resulting in minimal estimated tax liability in the U.S. over the next several years at current metals market prices. Changes to U.S. income tax laws and/or recommendations from the Organization for Economic Co-operation and Development regarding a global minimum income tax and other changes being considered and/or implemented in countries where we operate could materially impact our income tax provision, cash tax liability, and effective tax rate. In addition, these changes may result in new limitations on our ability to benefit from our significant U.S. NOLs.


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International risks

Our international operations are subject to geopolitical, economic and social risks.

We are a U.S.-based mining company with substantial assets located outside of the U.S. Risks of conducting business in countries outside the U.S. can include:
Delays in obtaining or renewing, or the inability to obtain, maintain or renew, or the renegotiation, cancellation, revocation or forced modification (including the inherent risk of these actions being taken unilaterally by government owned entities) of contracts, leases, licenses, permits, stability agreements or other agreements and/or approvals;
Expropriation or nationalization of property, protectionism, or restrictions on repatriation of earnings or capital;
Changes in and differing interpretations of the host country’s laws, regulations and policies (which may be applied retroactively), including, but not limited to, those relating to labor, taxation, royalties, duties, tariffs, divestment, imports, exports (including restrictions on the export of copper concentrate and anode slimes, copper and/or gold), trade regulations, immigration, currency and environmental matters (including land use and water use), additional requirements on foreign operations and investment, and/or result in fines, fees and sanctions imposed for failure to comply with the laws and regulations of the jurisdictions in which we operate, the risk of any of which may increase with rising “resource nationalism” in countries around the world;
Geopolitical, social and economic instability, bribery, extortion, corruption, civil unrest, blockades, acts of war, guerrilla activities, insurrection and terrorism, certain of which may result in, among other things, an inability to access our property or transport our commodities, and in particular, our investments and operations in Peru and Chile currently may be susceptible to such risks;
Risk of loss associated with trespass, illegal artisanal mining, theft, sabotage and vandalism;
Risk of loss due to major public health issues, including any pandemic (such as the ongoing COVID-19 pandemic), epidemic or endemic health issues, as a result of the potential related impact to employees, disruptions to operations, supply chain delays, trade restrictions and impact on economic activity in affected countries or regions and due to the limitations of certain local health systems and infrastructure to contain such major public health issues (see above for further discussion of our risks specific to the COVID-19 pandemic);
Changes in U.S. trade, tariff, tax, immigration or other policies that may harm relations with foreign countries or result in retaliatory policies;
Increases in training and other costs and challenges relating to requirements by governmental entities to employ the nationals of the country in which a particular operation is located;
Foreign exchange controls, fluctuations in foreign currency exchange rates and inflation; and
Reduced protection for intellectual property rights.

Our insurance does not cover most losses caused by the above described risks. For example, we do not have political risk insurance. Accordingly, our exploration, development and production activities outside of the U.S. may be substantially affected by many unpredictable factors beyond our control, some of which could have a material adverse effect on our cash flows, results of operations and financial condition.

We are required to comply with a wide range of laws and regulations in the countries where we operate or do business. For example, our international operations must comply with the U.S. Foreign Corrupt Practices Act and similar anti-corruption and anti-bribery laws of the other jurisdictions in which we operate. We operate in jurisdictions that have experienced public and private sector corruption and where significant anti-corruption enforcement activities, prosecutions and settlements have occurred. We have a large number of contracts with local and foreign suppliers and contractors, who may take action contrary to or fail to adopt standards, controls and procedures, including health, safety, environment, human rights and community standards, that are equivalent to our standards, controls and procedures. There can be no assurance that our internal control policies and procedures will always protect us from misinterpretation of or noncompliance with applicable laws and internal policies, recklessness, fraudulent behavior, dishonesty or other inappropriate acts committed by our affiliates, employees, agents, suppliers or contractors. As such, our corporate policies and processes may not prevent or detect all potential breaches of law
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or governance practices. Any such breaches could result in safety events that may result in injuries or fatalities, significant criminal or civil fines and penalties, litigation or regulatory action or inquiries, shareholder activism (such as to stop using a certain supplier or contractor), civil unrest or other adverse impacts on human rights, and loss of operating licenses or permits, and may damage our reputation, which could have a material adverse effect on our cash flows, results of operations and financial condition.

We conduct international mining operations in Indonesia, Peru and Chile and exploration activities in other foreign jurisdictions. Accordingly, in addition to the usual risks associated with conducting business in countries outside the U.S., our business may be adversely affected by political, economic, social and regional uncertainties in each of these countries. For example, we are involved in several significant tax proceedings and other tax disputes with Indonesia and Peru tax authorities (refer to Note 12 for further discussion of these matters). Other risks specific to certain countries in which we operate are discussed in more detail below.

Because our mining operations in Indonesia are a significant operating asset, our business may be adversely affected by political, economic and social uncertainties in Indonesia.

Maintaining a good working relationship with the Indonesia government and PT Indonesia Asahan Aluminium (Persero) (PT Inalum, also known as MIND ID), an Indonesia state-owned enterprise and shareholder in PT-FI, is important because of the significance of our Indonesia operations to our business, and because our mining operations there are among Indonesia’s most significant business enterprises. Partially because of the Grasberg minerals district’s significance to Indonesia’s economy, the environmentally sensitive area where it is located, and the number of people employed, our Indonesia operations have been the subject of political debates and criticism in the Indonesia press, and have been the target of protests and occasional violence. Improper management of our working relationship with the Indonesia government could lead to a disruption of operations and/or impact our reputation in Indonesia and in the region where we operate, which could adversely affect our business.

The mining industry is subject to extensive regulation within Indonesia, and there have been major developments in laws and regulations applicable to mining concession holders, some of which have conflicted with PT-FI’s contractual rights in the past. In particular, the enactment of Law No. 4 of 2009 on Coal and Mineral Mining on January 12, 2009 (the Mining Law) replaced the previous regulatory framework which allowed concession holders, including PT-FI, to conduct mining activities in Indonesia under a contract of work system. Notwithstanding provisions in PT-FI’s former Contract of Work (COW) prohibiting it from doing so, the Indonesia government sought to modify PT-FI’s former COW to address provisions contained in the Mining Law and implementing regulations adopted thereunder, some of which were not required under or conflicted with PT-FI’s former COW.

In early 2017, the Indonesia government issued new regulations to address exports of unrefined metals, including copper concentrate and anode slimes, and other matters related to the mining sector. PT-FI’s export license for copper concentrate is valid for one year periods, subject to review and approval by the Indonesia government every six months, depending on greenfield smelter development progress. PT-FI’s export license expires on March 15, 2022. Refer to MD&A and Note 12 for further discussion of the administrative fine levied by the Indonesia government on PT-FI for failing to achieve physical development progress on the greenfield smelter, and ongoing discussions with the Indonesia government regarding a deferred schedule for the completion of the greenfield smelter in light of the ongoing COVID-19 pandemic. The 2017 regulations also permit the export of anode slimes, which is necessary for PT Smelting (PT-FI’s 39.5-percent-owned copper smelter and refinery located in Gresik, Indonesia) to continue operating. PT Smelting’s export license for anode slimes expires on December 9, 2022, subject to review and approval by the Indonesia government every six months. In addition to a delay in the renewal of its export license for anode slimes in 2017, PT Smelting’s operations were shut down from mid-January 2017 until early March 2017 as a result of labor disturbances. Copper concentrate sales to PT Smelting totaled over 10 percent of our consolidated revenues for each of the years ended December 31, 2021, 2020 and 2019. We cannot predict when and if PT-FI’s copper concentrate export license and PT Smelting’s anode slimes export license may be renewed. PT-FI’s sale of concentrates could be interrupted if either of these export license is not timely renewed or if PT Smelting is unable to operate either due to other operational or financial constraints, which would adversely impact our revenues and operations.

We cannot assure you that future regulatory changes affecting the mining industry in Indonesia will not be introduced or unexpectedly repealed, or that new interpretations of existing laws and regulations will not be issued, which could adversely affect our business, financial condition and results of operations.

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PT-FI will not mine all of the ore reserves in the Grasberg minerals district before the initial term of its IUPK expires in 2031. PT-FI’s IUPK may not be extended through 2041 if PT-FI fails to abide by its terms and conditions and applicable laws and regulations.

On December 21, 2018, PT-FI was granted an IUPK to replace its former COW, enabling PT-FI to conduct operations in the Grasberg minerals district through 2041. Under the terms of the IUPK, PT-FI has been granted mining rights through 2031, with rights to extend its mining rights through 2041, subject to, among other things, PT-FI’s completion of construction of additional domestic smelting capacity totaling 2 million metric tons of concentrate per year by the end of 2023 (an extension of which has been requested due to COVID-19 mitigation measures subject to the approval of the Indonesia government), and fulfilling its defined fiscal obligations to the Indonesia government. Refer to Note 13 for a summary of the IUPK’s key fiscal terms. The expansion of PT Smelting is expected to be complete in late 2023 and the construction of the greenfield smelter is expected to be completed as soon as feasible in 2024, which is subject to, among other things, no additional COVID-19 related disruptions.

The IUPK also requires PT-FI to pay duties on concentrate exports of 5 percent, declining to 2.5 percent when development progress for additional smelting capacity in Indonesia exceeds 30 percent, and eliminated when development progress for additional smelting capacity in Indonesia exceeds 50 percent. Refer to MD&A and Note 12 for further discussion of the administrative fine levied by the Indonesia government on PT-FI for failing to achieve physical development progress on the greenfield smelter, and ongoing discussions with the Indonesia government regarding a deferred schedule for the completion of the greenfield smelter in light of the ongoing COVID-19 pandemic.

The preliminary capital cost estimate for the greenfield smelter and related precious metal refinery approximates $3 billion. In July 2021, PT-FI entered into a $1.0 billion, five-year, unsecured bank credit facility to advance its Indonesia smelter projects and is currently arranging additional debt financing for these projects. PT-FI’s ability to raise and service significant new sources of capital will be a function of macroeconomic conditions, and future market prices as well as PT-FI’s operational performance, cash flows and debt position, among other factors. Financing may not be available when needed or, if available, the terms of such financing may not be favorable to PT-FI. See the risk factor below regarding increasing scrutiny and evolving expectations from stakeholders, including creditors, with respect to our ESG practices, performance and disclosures.

Our proven and probable mineral reserves in Indonesia reflect estimates of minerals that can be recovered through the end of 2041, and PT-FI’s current long-term mine plan and planned operations are based on the assumption that PT-FI will abide by the terms and conditions of the IUPK and will be granted the 10-year extension from 2031 through 2041. As a result, PT-FI will not mine all of these mineral reserves during the initial term of the IUPK. Prior to the end of 2031, we expect to mine 48 percent of aggregate proven and probable recoverable mineral reserves at December 31, 2021, representing 53 percent of our net equity share of recoverable copper reserves and 55 percent of our net equity share of recoverable gold reserves.

If PT-FI does not complete the construction of additional domestic smelting capacity totaling 2 million metric tons of concentrate per year by the end of 2023 (an extension of which has been requested due to COVID-19 mitigation measures subject to the approval of the Indonesia government), or fulfill its defined fiscal obligations to the Indonesia government as set forth in the IUPK, the IUPK may not be extended from 2031 through 2041, and PT-FI would be unable to mine all of the proven and probable mineral reserves in the Grasberg minerals district, which would adversely affect our business, results of operations and financial position.

Operational risks

Our mining operations are subject to operational risks that could adversely affect our business and our underground mining operations have higher risks than a surface mine.

We have assets in a variety of geographic locations, all of which exist in and around broader communities and environments. Maintaining the operational integrity and performance of our assets is crucial to protect our people, the environment and communities in which we operate. Our mines are very large in scale and, by their nature are subject to significant operational risks, some of which are outside of our control, and many of which are not covered fully, or in some cases even partially, by insurance. These operational risks, which could materially and adversely affect our business, operating results and cash flows, include earthquakes, rainstorms, floods, wildfires and other natural disasters; environmental hazards, including discharge of metals, concentrates, pollutants or hazardous chemicals; surface or underground fires; equipment failures; accidents, including in connection with mining
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equipment, milling equipment or conveyor systems, transportation of chemicals, explosives or other materials and in the transportation of employees and business partners to and from sites (including where these services are provided by third parties such as vehicle and aircraft transport); wall failures and rock slides in our open-pit mines, and structural collapses of our underground mines or tailings impoundments; underground water and ore management; lower than expected ore grades or recovery rates; and seismic activity resulting from unexpected or difficult geological formations or conditions (whether in mineral or gaseous form). As a result of the COVID-19 pandemic, workplace entry and travel restrictions may result in the delay of key personnel or external consultants accessing our sites to undertake inspections or other activities, potentially resulting in unidentified asset integrity.

For a discussion of risks specific to our tailings management, see the risk factor below relating to our management of waste rock and tailings.

We are facing continued geotechnical challenges due to the older age of some of our open-pit mines and a trend toward mining deeper pits and more complex deposits. No assurances can be given that unanticipated geotechnical and hydrological conditions may or may not occur, nor whether these conditions may lead to events such as landslides and pit wall failures, in the future or that such events will be detected in advance. Geotechnical instabilities can be difficult to predict and are often affected by risks and hazards outside of our control, such as seismic activity or severe weather, which may lead to floods, mudslides, pit-wall instability, and possibly even slippage of material. In early 2019, our El Abra operation in Chile experienced heavy rainfall and electrical storms. As a result, our operating results for 2019 were impacted by a suspension of El Abra’s crushed leach stacking operations for approximately 35 days. We cannot predict whether similar events will occur in the future or the extent to which any such event would affect this, or any of our other operations.

Our business is dependent upon our workforce being able to safely perform their jobs, including the potential for physical injuries or illness. Underground mining operations can be particularly dangerous, and in May 2013, a tragic accident, which resulted in 28 fatalities and 10 injuries, occurred at the Grasberg minerals district when the rock structure above the ceiling of an underground training facility collapsed. No assurance can be given that similar events will not occur in the future.

We experience mining induced seismic activity from time to time in the Grasberg minerals district. We cannot predict whether additional occurrences of seismic activity or other unexpected geological activity will occur that could cause schedule delays or additional revisions to PT-FI’s mine plans, which could adversely affect our cash flows, results of operations and financial condition.

In addition to the usual risks encountered in the mining industry, our Indonesia mining operations involve additional risks given their location in steep mountainous terrain in a remote area of Indonesia. These conditions have required us to overcome special engineering difficulties and develop extensive infrastructure facilities. The area also receives extreme rainfall, which has led to periodic floods and mudslides. Further, the mine site is also in an active seismic area and has experienced earth tremors from time to time.

We maintain insurance at amounts we believe to be reasonable to cover some of these risks and hazards; however, our insurance may not sufficiently cover losses from certain natural or operating disasters. No assurance can be given that such insurance will continue to be available, or that it will be available at economically feasible premiums, or that we will be able to obtain or maintain such insurance. We may elect to not purchase insurance for certain risks due to the high premium costs associated with insuring such risk or for various other reasons. We do not have coverage for certain environmental losses and other risks. The lack of, or insufficiency of, insurance coverage could adversely affect our cash flows and overall profitability.

The occurrence of one or more of these events in connection with our exploration activities and development of and production from mining operations may result in the death of, or personal injury to, our employees, other personnel or third parties, the loss of mining equipment, damage to or destruction of mineral properties or production facilities, significant repair costs, monetary losses, deferral or unanticipated fluctuations in production, extensive community disruption (including short- and long-term health and safety risks), loss of licenses, permits or necessary approvals to operate, loss of workforce confidence, loss of infrastructure and services, disruption to essential supplies or delivery of our products, environmental damage and potential legal liabilities, all of which may adversely affect our reputation, business, prospects, results of operations and financial position. Further, the impacts of any serious incidents that occur may also be amplified if we fail to respond timely or in an appropriate manner.

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Our management of waste rock and tailings are subject to significant environmental, safety and engineering challenges and risks that could adversely affect our business.

The waste rock (including overburden) and tailings produced in our mining operations represent our largest volume of waste material. Managing the volume of waste rock and tailings presents significant environmental, safety and engineering challenges and risks primarily relating to structural stability, geochemistry, water quality and dust generation. Management of this waste is regulated in the jurisdictions where we operate and our programs are designed to comply with applicable national, state and local laws, permits and approved environmental impact studies.

We maintain large leach pads and tailings impoundments containing viscous material. Tailings impoundments include large embankments that must be engineered, constructed and monitored to ensure structural stability and avoid leakages or structural collapse. Our tailings impoundments in arid areas must have effective programs to suppress fugitive dust emissions, and we must effectively monitor, prevent and treat acid rock drainage at all of our operations. In Indonesia, we use a river transport system for tailings management, which presents other risks discussed in more detail in the risk factor below relating to the environmental challenges at our Indonesia mining operations.

Subsidiaries of our company currently operate 16 active tailings storage facilities (14 in the U.S. and 2 in Peru), of which 11 have an upstream design and 5 have a centerline design. We also manage 52 tailings storage facilities in the U.S. that are inactive or closed (45 with an upstream design, 5 with a centerline design and 2 with a downstream design) and another 5 with an upstream design that are deemed “safely closed” according to the definition in the Tailings Standard. In 2021, we produced approximately 295 million metric tons of tailings. The failure of tailings and other embankments at any of our mining operations could cause severe, and in some cases catastrophic, property and environmental damage and loss of life, as well as adverse effects on our business and reputation. Many of our tailings storage facilities are located in areas where a failure has the potential to impact individual dwellings and a limited number of impoundments are in areas where a failure has the potential to impact nearby communities or mining infrastructure. As a result, our programs take into account the significant consequences resulting from potential failure modes, and we dedicate substantial financial resources and internal and external technical resources to pursue the safe management of all those facilities reducing and in some cases eliminating the number of and potential consequences of credible failure modes. Our tailings management and stewardship program involves qualified external Engineers of Record and periodic oversight by independent tailings Technical Review Boards and our Tailings Stewardship Team. We continue to enhance our existing practices to strengthen the design, operation and closure of tailings storage facilities in an effort to reduce the risk of severe or catastrophic failure of those facilities. However, no assurance can be given that these events will not occur in the future. For additional information regarding the company’s tailings management and stewardship program, including the Tailings Standard, refer to Items 1. and 2. “Business and Properties” herein.

In addition, changes to the physical risks to our facilities resulting from climate change could lead to changes in our plans for managing tailings and waste rock in order to address such risks, which may materially increase the costs associated with managing waste rock and tailings at any or all of our active or inactive mine sites. For further discussion, see the below risk factor relating to the physical effects of climate change.

Based on observations from tailings failures at unaffiliated mines, in addition to fatalities and severe personal, property and environmental damages, these events could result in limited or restricted access to mine sites, suspension of operations, decrease in mineral reserves, legal liability, government investigations, additional regulations and restrictions on mining operations in response to any such failure, increased monitoring costs and production costs, increased insurance costs or inability to obtain insurance, increased costs and/or limited access to capital, remediation costs, inability to comply with any additional safety requirements or obtain necessary certifications, evacuation or relocation of communities or other emergency action, and other impacts, which could have a material adverse effect on our operations and financial position.

Our Indonesia mining operations have the potential to create difficult and costly environmental challenges, and future changes in Indonesia environmental laws could increase our costs.

Mining operations on the scale of our Indonesia operations involve significant environmental risks and challenges. Our primary challenge is to dispose of the large amount of tailings. In 2021, PT-FI produced approximately 52 million metric tons of tailings. Our tailings management plan, which has been approved by the Indonesia government, uses the unnavigable river system in the highlands near our mine to transport the tailings to an
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engineered deposition area in the lowlands. Lateral levees have been constructed to help contain the footprint of the tailings and to limit their impact in the lowlands.

Another major environmental challenge at PT-FI is managing overburden, which is rock that was required to be moved aside in the open pit mining process to reach the ore in the Grasberg open pit. In the presence of air, water and naturally occurring bacteria, some overburden can generate acid rock drainage, or acidic water containing dissolved metals that, if not properly managed, can adversely affect the environment. In addition, specific overburden stockpiles are subject to erosion caused by the large amounts of rainfall, with the eroded stockpile material eventually being deposited in the lowlands tailings management area. The Grasberg overburden stockpiles have experienced erosion over time. This overburden affects the volume as well as the physical and chemical characteristics of the sediment material deposited in the lowlands tailings management area, which can result in environmental impacts. PT-FI’s current designated tailings deposition management plan as well as robust environmental monitoring programs take into account the presence of this overburden in the lowlands tailings management area.

As part of its ongoing management and monitoring program, PT-FI expanded the scope of its analyses to assess possible impacts to the environment and human health from overburden erosion and tailings, including conducting and updating a human health risk assessment. During 2021, PT-FI continued to advance work on the human health risk assessment to evaluate these potential impacts. A study conducted by third-party expert consultants with PT-FI support, assessed potential exposure pathways including surface waters, groundwaters, sediments and soils, dust and terrestrial and aquatic tissues. PT-FI continues further study and evaluation and, in furtherance of this effort, has been assisting local health authorities with a community health survey, which is providing further data to evaluate any potential impacts from operations and information on community health conditions. The ongoing study and evaluation, which is expected to be completed in the first half of 2022, will assist in determining what additional monitoring and mitigation efforts may be required in the future.

In the past, the Indonesia government has raised questions with respect to our tailings and overburden management plans, including a suggestion that we implement a pipeline system rather than the river transport system for tailings management. Our Indonesia mining operations are remotely located in steep mountainous terrain and in an active seismic area; such that, a pipeline system would be difficult to construct and maintain, and more prone to catastrophic failure, and could therefore involve significant potentially adverse environmental issues. Based on our own studies and others conducted by third parties, we do not believe that a pipeline system for all mine tailings is feasible.

Overtopping or levee failure induced by extreme weather events is a potential risk. Additionally, unanticipated structural failure of the levee system in the future could result in flooding of the nearby communities and related loss of lives and/or severe personal, property and environmental damages. This may necessitate evacuation or relocation of communities or other emergency action, financial assistance to the communities impacted, and remediation costs to repair and compensate for the social, cultural and economic impacts.

Managing these environmental challenges at our Indonesia operations could result in reputational harm and increased costs that could be significant.

In December 2018, Indonesia’s Ministry of Environment and Forestry (MOEF) issued a revised environmental permit to PT-FI to address many of the operational activities that it alleged were inconsistent with earlier studies. PT-FI and the MOEF also established a new framework for continuous improvement in environmental practices at PT-FI’s operations, including initiatives that will examine options to potentially increase tailings retention and to evaluate large scale beneficial uses of tailings within Indonesia. LAPI-ITB, the third-party expert nominated by MOEF to perform the framework evaluation, submitted their report to the MOEF in June 2021. PT-FI is currently evaluating additional actions and activities based on the study conclusions. In addition, MOEF finalized environmental permitting related to the underground rail facilities and Deep Mill Level Zone (DMLZ) production of 80 thousand metric tons per day in November 2021. Permitting of certain facilities for underground mining production operations, as well as permitting for the extension of levees to contain the lateral flow of tailings in the lowlands, continues to progress.

We cannot assure you that future environmental changes affecting the mining industry in Indonesia will not be introduced or unexpectedly altered or repealed, or that new interpretations of existing Indonesia environmental laws and regulations will not be issued, which could have a significant impact on PT-FI.

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Violence, civil and religious strife, and activism could result in loss of life and disrupt our operations.

Indonesia has long faced separatist movements and civil and religious strife in a number of provinces. Several separatist groups have sought increased political independence for the province of Papua, where our Grasberg minerals district is located. In Papua, there have been sporadic attacks on civilians by separatists and sporadic but highly publicized conflicts between separatists and the Indonesia military and police. In addition, illegal miners have periodically clashed with police who have attempted for years to move them away from our facilities. Social, economic and political instability in Papua could materially and adversely affect us if it results in damage to our property or interruption of our Indonesia operations.

Starting in 2009, a series of shooting incidents occurred within the PT-FI project area, including along the road leading to our mining and milling operations. Since 2009, there have been 22 fatalities and more than 75 injuries to our employees, contractor employees, government security personnel and civilians. Shooting incidents in PT-FI’s project area have continued on a sporadic basis through January 2021, when a helicopter contracted to PT-FI was fired upon and struck by a single gunshot in an area adjacent to the project area. There were several shooting incidents in the first half of 2020, including an incident near a PT-FI office building where one employee was killed and two others injured. In addition, in December 2018, a mass shooting incident targeting a highway construction crew occurred in a remote mountain area approximately 100 miles east of the PT-FI project area, resulting in at least 19 fatalities and several were reported as missing. Separatist security incidents, including shootings, continue to occur regionally. PT-FI actively monitors security conditions and the occurrence of incidents in the region.

The safety of our workforce is a critical concern, and PT-FI continues to work with the Indonesia government to enhance security and address security issues within the PT-FI project area and in nearby areas. Although we have implemented measures and safeguards consistent with both international standards and our own internal standards relating to the use of force and respect for human rights, the implementation of these measures and safeguards does not guarantee that personnel, national police or other security forces will uphold these standards in every instance. We continue to limit the use of the road leading to PT-FI’s mining and milling operations to secured convoys, including transport of personnel by armored vehicles in designated areas.

We cannot predict whether additional incidents will occur that could result in loss of life, disruption or suspension of PT-FI’s operations. If other disruptive incidents occur, they could adversely affect our results of operations and financial condition in ways that we cannot predict at this time.

South America countries have historically experienced uneven periods of economic growth, as well as recession, periods of high inflation and general economic and political instability. Since 2019, both Peru and Chile have experienced significant civil unrest unrelated to our operations. For example, in fourth-quarter 2021, an unaffiliated copper producer in southern Peru announced the suspension of its operations after repeated and sustained community protests on the government-designated concentrate transport route along public roads, which constrained the operation from shipping its product. Although such civil unrest has not significantly impacted our results, similar events in the future could cause our South America operations to be materially impacted, in which case, we may not be able to meet our production and sales targets. We cannot predict whether similar or more significant incidents of civil unrest will occur in the future in Peru or Chile.

Our mining operations, including future expansions or developments, depend on the availability of significant quantities of secure water supplies.

We recognize that access to clean, safe and reliable water supplies is vital to the health and livelihood of our host communities. Our mining operations require physical availability and secure legal rights to significant quantities of water, and the increasing pressure on water resources requires us to consider both current and future conditions in our approach. We aim to balance our operational water requirements with those of the local communities, environment and ecosystems. Most of our North America and South America mining operations are in areas where competition for water supplies is significant, and where climate change may lead to increasing scarcity of water resources in the future. Continuous production at our mines and any future expansions or developments are dependent on many factors, including our ability to maintain our water rights and claims, and the continuing physical availability of the water supplies. Current and long-term water risks include those that arise from our operations (such as failure to properly manage tailings and overburden) and events that we do not control (such as extreme weather and other physical risks associated with climate change). For further discussion of the physical impacts of climate change, see the related risk factor below.

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As discussed in Item 3. “Legal Proceedings,” in Arizona, where our operations use both surface water and groundwater, we are a participant in an active adjudication in which Arizona courts have been attempting, for over 45 years, to quantify and prioritize surface water claims for the Gila River watershed, one of the state’s largest river systems. If we are not able to satisfactorily resolve the issues being addressed in the adjudications, water uses could be diminished or curtailed, and our operations at Morenci, Safford and Sierrita could be adversely affected unless we are able to acquire alternative resources.

Water for our Cerro Verde operation in Peru comes from renewable sources through a series of storage reservoirs on the Rio Chili watershed that collects water primarily from seasonal precipitation and from wastewater collected from the city of Arequipa and treated at a wastewater treatment plant constructed by us. As a result of occasional drought conditions, temporary supply shortages that could affect our Cerro Verde operations are possible.

Water for our El Abra mining operation in Chile comes from the continued pumping of groundwater from the Salar de Ascotán aquifer. In 2010, El Abra obtained regulatory approval for the continued pumping of groundwater from the Salar de Ascotán aquifer for its sulfide processing plant, which began operations in 2011. Our current permit will expire in 2029 unless we are able to renew it again. The agreement to pump from this aquifer is subject to continued monitoring of the aquifer water levels and select flora species to ensure that environmentally sensitive areas are not impacted by our pumping. If impact occurs, reductions in pumping are required to restore water levels, which could have an adverse effect on production from El Abra. For further discussion, see the risk factor above relating to the geopolitical, economic and social risks associated with our international operations.

Although we typically have sufficient water for our Indonesia operations, the area receives considerable rainfall that makes us susceptible to periodic floods and mudslides, the nature and magnitude of which cannot be predicted.

Although each of our mining operations currently has access to sufficient water supplies to support current operational demands, as discussed above, the availability of additional supplies for potential future expansions or development will require additional investments and will take time to develop, if available. While we are taking actions to acquire additional back-up water supplies, such supplies may not be available at acceptable cost, or at all, so that the loss of a water right or currently available water supply could force us to curtail operations or force premature closures, and the ability to obtain future water supplies could prevent future expansions or developments, thereby increasing and/or accelerating costs or foregoing profitable operations.

Fluctuations in the price and availability of commodities we purchase and constraints on supply and logistics could affect our profitability. Further, significant delays or increases in costs affecting transportation services may affect our business.

Prices and availability of commodities consumed or used in our operations such as natural gas, diesel, ammonium nitrate, chemical reagents, and steel-related products can affect the costs of production at our operations. These prices fluctuate and can be volatile and any cost increases could have a material adverse effect on our results of operations. In 2021, we experienced price increases on certain commodities, including fuel, steel, ammonia and acid. While these increases did not significantly impact our results in 2021, additional increases may occur in 2022 and such increases may be material.

Ensuring continuity of supply of materials to our operations is critical to our business. We also rely on the availability of components from suppliers for key machines and equipment, which may be impacted by competition demands as well as the availability of input materials in the creation of such equipment. A supplier’s failure to supply materials or components in a timely manner or to meet our quality, quantity, cost requirements or our technical specifications, or our inability to obtain alternative sources of materials or components on a timely basis or on terms acceptable to us, could adversely affect our operations. In 2021, we experienced longer lead times on delivery of certain materials and shortages on certain materials, including lubricants, semi-conductors, personal protective equipment, rubber and acid. While these delays and shortages did not significantly impact our results in 2021, these issues may continue in 2022 and such shortages and delays may be material.

Our business depends on the inbound transportation of commodities we use and the outbound transportation of the commodities we produce by truck, rail and ocean freight. The COVID-19 pandemic has created global shipping and logistics challenges. Any significant increase in the cost of the transportation of these commodities or products, as a result of increases in fuel or labor costs, higher demand for logistics services, or otherwise, would adversely affect our results of operations. Additionally, if the transportation service providers fail to deliver commodities used in our operations to us or the commodities we produce to our customers in a timely manner or at all, such failure could
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adversely impact our ability to meet our production schedules, delay our projects and capital initiatives, negatively affect our customer relationships and have a material adverse effect on our financial position and results of operations.

Our information technology systems may be adversely affected by disruptions, damage, failure and risks associated with implementation and integration.

Our industry has become increasingly supported by and dependent on digital technologies. Our strategy of operating large, long-lived, geographically diverse assets has been increasingly dependent on our ability to become fully integrated and highly automated. Many of our business and operational processes are heavily dependent on traditional and emerging technology systems to conduct day-to-day operations, improve safety and efficiency, and lower costs.

As our dependence on information systems, including those of our third-party service providers and vendors, grows, we become more vulnerable to an increasing threat of continually evolving cybersecurity risks. In recent years, cybersecurity events have increased in frequency and magnitude. These incidents may include, but are not limited to, installation of malicious software, phishing, ransomware, credential attacks, unauthorized access to data and other advanced and sophisticated cybersecurity breaches and threats, including threats that increasingly target critical operational technologies and process control networks. If any of these threats materialize, we could be subject to manipulation or improper use of our systems and networks, production downtimes, communication interruption or other disruptions and delays to our operations or to the transportation of products or infrastructure utilized by our operations, unauthorized release of proprietary, commercially sensitive, confidential or otherwise protected information, a misappropriation or loss of funds, the corruption of data, significant health and safety consequences, environmental damage, loss of intellectual property, fines and litigation, damage to our reputation or financial losses from remedial actions, any of which could have a material adverse effect on our cash flows, results of operations and financial condition. We have experienced targeted and non-targeted cybersecurity events in the past and may experience them in the future. While these cybersecurity events did not result in any material loss to us or interrupt our day-to-day operations, as of January 31, 2022, there can be no assurance that we will not experience any such losses or interruption in the future. Given the unpredictability of the timing and the evolving nature and scope of information technology disruptions, the various procedures and controls we use to monitor and protect against these threats and to mitigate our potential risks to such threats may not be sufficient in preventing cybersecurity events from materializing. Further, as cybersecurity threats continue to evolve, we may be required to expend significant additional resources to continue to modify or enhance our protective measures or to investigate and remediate vulnerabilities to cybersecurity threats.

We could also be adversely affected by system or network disruptions if new or upgraded information technology systems are defective, not installed properly or not properly integrated into our operations. System modification failures could have a material adverse effect on our business, financial position and results of operations and could, if not successfully implemented, adversely impact the effectiveness of our internal controls over financial reporting.

Human capital risks

Labor disputes or labor unrest could disrupt our operations.

Our business is dependent on maintaining good relations with our workforce. A significant portion of our employees are represented by labor unions in a number of countries under various collective bargaining agreements with varying durations and expiration dates. Refer to Items 1. and 2. “Business and Properties” of this annual report on Form 10-K for additional information regarding labor matters, and expiration dates of such agreements. As of December 31, 2021, approximately 31 percent of our global labor force was covered by collective bargaining agreements and approximately 14 percent of our global labor force was covered by agreements that will or were scheduled to expire during 2022.

Labor agreements are negotiated on a periodic basis, and may not be renewed on reasonably satisfactory terms to us or at all. If we do not successfully negotiate new collective bargaining agreements with our union workers, we may incur prolonged strikes and other work stoppages at our mining operations, which could adversely affect our financial condition and results of operations. Additionally, if we enter into a new labor agreement with any union that significantly increases our labor costs relative to our competitors, our ability to compete may be materially and adversely affected.
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We could experience labor disruptions such as work stoppages, work slowdowns, union organizing campaigns, strikes, or lockouts that could adversely affect our operations. For example, during third-quarter 2016, PT-FI experienced labor productivity issues and a 10-day work stoppage, which continued during fourth-quarter 2016 and into the first half of 2017. Beginning in mid-April 2017, PT-FI experienced a high level of worker absenteeism, which unfavorably impacted mining and milling rates, and in May 2017, a significant number of employees and contractors elected to participate in an illegal strike action. These employees were subsequently deemed to have voluntarily resigned under existing Indonesia laws and regulations resulting in increased costs associated with employee severance. In third-quarter 2020, we experienced a five-day labor-related work stoppage related to COVID-19 travel restrictions when a small group of workers at PT-FI staged protests and a blockade restricting access to the main road to the mining operations area. We reached an amicable resolution with the group of workers while upholding our COVID-19 safety protocols. There were no strikes or lockouts at any of our operations in 2021.

We cannot predict whether additional labor disruptions will occur. Significant reductions in productivity or protracted work stoppages at one or more of our operations could significantly reduce our production and sales volumes or disrupt operations, which could adversely affect our cash flows, results of operations and financial condition.

Our future success depends on our ability to attract, retain and develop qualified personnel.

Our success is dependent on the contributions of our highly skilled and experienced workforce. Our business depends upon our ability to attract, retain and develop a qualified, inclusive and diverse workforce. Our ability to attract qualified personnel is affected by the available pool of workers with the training and skills necessary to fill the available positions, the impact on the labor supply due to general economic conditions and our ability to offer competitive compensation and benefit packages. If we fail to attract, retain and develop qualified, inclusive and diverse personnel necessary for the efficient operation of our business, this could result in decreased profitability, productivity and efficiency, which may have a material adverse effect on our performance.

Risks related to development projects and mineral reserves

Development projects are inherently risky and may require more capital and have lower economic returns than anticipated, and the development of our underground mines are also subject to other unique risks.

Mine development projects typically require a number of years and significant expenditures during the development phase before production is possible. Our development projects include underground development activities at the Grasberg Block Cave, DMLZ and Kucing Liar ore bodies in the Grasberg minerals district, which currently constitute approximately 28 percent of our estimated consolidated recoverable proven and probable copper reserves and 94 percent of our estimated consolidated recoverable proven and probable gold reserves. There are many risks and uncertainties inherent in all development projects including, but not limited to, unexpected or difficult geological formations or conditions, potential delays, cost overruns, lower levels of production during ramp-up periods, shortages of material or labor, construction defects, breakdowns and injuries to persons and property.

The development of our underground mines are also subject to other unique risks including, but not limited to, underground fires or floods, ventilating harmful gases, fall-of-ground accidents, and seismic activity resulting from unexpected or difficult geological formations or conditions. For example, we experience mining induced seismic activity from time to time in the Grasberg minerals district. While we anticipate taking all measures that we deem reasonable and prudent in connection with the development of our underground mines to safely manage production, there is no assurance that these risks will not cause schedule delays, revised mine plans, injuries to persons and property, or increased capital costs, any of which may have a material adverse impact on our cash flows, results of operations and financial condition. Additionally, although we devote significant time and resources to our project planning, approval and review processes, many of our development projects are highly complex and rely on factors that are outside of our control, which may cause the actual time and capital required to complete a development project to exceed our estimates.


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Exploration is highly speculative, and our exploration activities may not result in additional discoveries to replace mineral reserves.

Our existing mineral reserves will be depleted over time by production from our operations. Because our profits are primarily derived from our mining operations, our ability to replenish our mineral reserves is essential to our long-term success. Depleted mineral reserves can be replaced in several ways, including expanding known ore bodies, reducing operating costs that could extend the life of a mine by allowing us to cost-effectively process ore types that were previously considered uneconomic, by locating new deposits or acquiring interests in mineral reserves from third parties. Exploration is highly speculative in nature, involves many risks and uncertainties, requires substantial capital expenditures and, in some instances, advances in processing technology, and is frequently unsuccessful in discovering significant mineral resources since new, large, long-life deposits are increasingly scarce. Accordingly, our current or future exploration programs may not result in the discovery of additional deposits that can be produced profitably. Even if significant mineral resources are discovered, it will likely take many years from the initial phases of exploration until commencement of production, during which time the economic feasibility of production may change. We may not be able to discover, enhance, develop or acquire mineral reserves in sufficient quantities to maintain or grow our current reserve levels, which could negatively affect our cash flows, results of operations and financial condition.

Estimates of mineral reserves and mineral resources are uncertain and the volume and grade of ore actually recovered may vary from our estimates.

Our estimates of mineral reserves and mineral resources have been prepared in accordance with the disclosure requirements of Subpart 1300 of U.S. Securities and Exchange Commission (SEC) Regulation S-K. There are numerous uncertainties inherent in mineral estimates. Such estimates are, to a large extent, based on assumed long-term prices for the commodities we produce, primarily copper, gold and molybdenum, and interpretations of geologic data obtained from drill holes and other exploration techniques, which may not necessarily be indicative of future results. Our mineral estimates are based on the latest available geological and geotechnical studies. We conduct ongoing studies of our ore bodies to optimize economic values and to manage risk. We revise our mine plans and estimates of recoverable proven and probable mineral reserves as required in accordance with the latest available studies. Geological assumptions about our mineral resources that are valid at the time of estimation may change significantly when new information becomes available.

Estimates of mineral reserves, or the cost at which we anticipate the mineral reserves will be recovered, are based on assumptions, such as metal prices and other economic inputs. Changes to such assumptions may require revisions to reserve estimates which could affect our asset carrying values and may also negatively impact our future financial condition and results. Until mineral reserves are actually mined and processed, the quantity of ore and grades must be considered as an estimate only.

In addition, if the market prices for the commodities we produce decline from assumed levels, if production costs increase or recovery rates decrease, or if applicable laws and regulations are adversely changed, we can offer no assurance that the indicated level of recovery will be realized or that mineral reserves can be mined or processed profitably. If we determine that certain of our estimated recoverable proven and probable mineral reserves have become uneconomic, this may ultimately lead to a reduction in our aggregate reported mineral reserves, which could have a material adverse effect on our business, financial condition and results of operations.

Additionally, the term “mineral resources” does not indicate recoverable proven and probable mineral reserves as defined by the SEC. Estimates of mineral resources are subject to further exploration and evaluation of development and operating costs, grades, recoveries and other material factors, and, therefore, are subject to considerable uncertainty. Mineral resources do not meet the threshold for mineral reserve modifying factors, such as engineering, legal and/or economic feasibility, that would allow for the conversion to mineral reserves. Accordingly, no assurance can be given that the estimated mineral resources not included in mineral reserves will become recoverable proven and probable mineral reserves.


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Regulatory, environmental and social risks

The costs of compliance with environmental, health and safety laws and regulations applicable to our operations may constrain existing operations or expansion opportunities. Related permit and other approval requirements may delay or result in a suspension of our operations.

Our operations are subject to extensive and complex laws and regulations, including environmental laws and regulations governing the generation, storage, treatment, transportation and disposal of hazardous substances; solid waste disposal; air emissions; wastewater discharges; remediation, restoration and reclamation of environmental contamination, including mine closures and reclamation; protection of endangered and threatened species and designation of critical habitats; and other related matters. These laws and regulations are subject to change and to changing interpretation by governmental agencies and other bodies vested with broad supervisory authority. As a mining company, compliance with environmental, health and safety laws and regulations is an integral and costly part of our business. In addition, we must obtain regulatory permits and approvals to start, continue and expand operations.

Certain federal and similar state laws and regulations may expose us to joint and several liability for environmental damages caused by our operations, or by previous owners or operators of properties we acquired or are currently operating or at sites where we previously sent materials for processing, recycling or disposal. As discussed in more detail in the risk factor below relating to costs incurred for remediating environmental conditions on our properties that are no longer in operation, we have substantial obligations for environmental remediation on properties previously owned or operated by Freeport Minerals Corporation (FMC) and certain of its affiliates. Noncompliance with these laws and regulations could result in material penalties or other liabilities. In addition, compliance with these laws may from time to time result in delays in or changes to our development or expansion plans. Compliance with these laws and regulations imposes substantial costs, which we expect will continue to increase over time because of increased regulatory oversight, adoption of increasingly stringent environmental standards, and other factors.

New or revised environmental regulatory requirements are frequently proposed, many of which result in substantially increased costs for our business, including those regarding financial obligations. Regulations have been considered at various governmental levels to increase financial responsibility requirements for mine closure and reclamation. Adoption of such environmental regulations or more stringent application of existing regulations may materially increase our costs, threaten certain operating activities and constrain our expansion opportunities. In addition, no assurances can be made that restrictions relating to conservation will not have an adverse impact on expansion of our operations or not result in delays in project development, constraints on exploration and constraints on operations in impacted areas.

We have incurred and expect to incur environmental capital expenditures and other environmental costs (including our joint venture partners’ shares) to comply with applicable environmental laws and regulations that affect our operations. The timing and amounts of estimated payments could change as a result of changes in regulatory requirements, changes in scope and costs of reclamation activities, the settlement of environmental matters and the rate at which actual spending occurs on continuing matters.

We are also subject to extensive regulation of worker health and safety. Our mines are inspected on a regular basis by government regulators who may issue citations and orders when they believe a violation has occurred under applicable mining regulations. If inspections result in an alleged violation, we may be subject to fines and penalties and, in instances of alleged significant violations, our mining operations or industrial facilities could be subject to temporary or extended closures.

Many other governmental bodies regulate other aspects of our operations, and our failure to comply with these legal requirements can result in substantial penalties. In addition, new laws and regulations, including executive orders, or changes to or new interpretations of existing laws and regulations by courts or regulatory authorities occur regularly, but are difficult to predict. Any such variations could negatively impact the mining sector, including our business, substantially increase costs to achieve compliance or otherwise could have a material adverse effect on our cash flows, results of operations and financial condition.

For additional information regarding the various regulations affecting us, see Items 1. and 2. “Business and Properties” of this annual report on Form 10-K.

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We incur significant costs for remediating environmental conditions on properties that have not been operated in many years.

FMC and its subsidiaries, and many of their affiliates and predecessor companies, have been involved in exploration, mining, milling, smelting and manufacturing in the U.S. for more than a century. Activities that occurred in the late 19th century and the 20th century prior to the advent of modern environmental laws were not subject to environmental regulation and were conducted before American industrial companies fully understood the long-term effects of their operations on the surrounding environment.

Companies like FMC are now legally responsible for remediating hazardous substances released into the environment from properties owned or operated by them as well as properties where they arranged for disposal of such substances, irrespective of when the release to the environment occurred or who caused it. That liability is often asserted on a joint and several basis with other prior and subsequent owners, operators and arrangers, meaning that each owner or operator of the property is, and each arranger may be, held fully responsible for the remediation, although in many cases some or all of the other responsible parties no longer exist, do not have the financial ability to respond or cannot be found. As a result, because of our acquisition of FMC in 2007, many of the subsidiary companies we now own are potentially responsible for a wide variety of environmental remediation projects throughout the U.S., and we expect to spend substantial sums annually for many years to address those remediation issues. We are also subject to claims where the release of hazardous substances is alleged to have damaged natural resources.

At December 31, 2021, we had more than 100 active remediation projects in 24 U.S. states. In addition, FMC and certain affiliates and predecessor companies were parties to agreements relating to the transfer of businesses or properties that contained indemnification provisions relating to environmental matters, and from time to time these provisions become the source of claims against us.

Our environmental obligation estimates are primarily based upon:
Our knowledge and beliefs about complex scientific and historical facts and circumstances that in many cases occurred many decades ago;
Our beliefs and assumptions regarding the nature, extent and duration of remediation activities that we will be required to undertake and the estimated costs of those remediation activities, which are subject to varying interpretations; and
Our beliefs regarding the requirements that are imposed on us by existing laws and regulations and, in some cases, the clarification of uncertain regulatory requirements that could materially affect our environmental obligation estimates.

Significant adjustments to these estimates are likely to occur in the future as additional information becomes available. The actual environmental costs may exceed our current and future accruals for these costs, and any such changes could be material.

In addition, remediation standards imposed by the U.S. Environmental Protection Agency and state environmental agencies have generally become more stringent over time and may become even more stringent in the future. Imposition of more stringent remediation standards, particularly for arsenic and lead in soils, poses a risk that additional remediation work could be required at our active remediation sites and at sites that we have already remediated to the satisfaction of the responsible governmental agencies, and may increase the risk of toxic tort litigation.

Refer to Items 1. and 2. “Business and Properties” and Note 12 for further discussion of our environmental obligations.


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We face increasing regulatory and stakeholder expectations relating to our GHG emissions and energy transition plans, which may adversely affect our business. Further, we may not be able to timely or successfully transition from fossil fuel sources for our significant energy needs, which may result in reputational damage.

Our operations require significant energy, much of which is currently from fossil fuel sources and is obtained from third parties under long-term contracts. Energy represented approximately 21 percent of our copper mine site operating costs in 2021, and is expected to approximate 25 percent in 2022. The principal sources of energy consumption at our mining operations are: diesel fuel, which powers mine trucks and other transportation equipment; purchased electricity, which powers core facilities and certain on-site metal processing operations; and coal and natural gas, which provides electricity at certain operations.

Existing and proposed new governmental conventions, laws, regulations and standards (both in the U.S. and internationally), including those related to climate and GHG emissions, may in the future add significantly to our operating costs, limit or modify our operations, and require more resources to comply and remediate in response. For additional information on climate change conventions, laws, regulations and standards applicable to FCX, refer to Items 1. and 2. “Business and Properties”.

If we do not adapt to the expectations of stakeholders regarding a low-carbon future in a timely manner, it may result in reputational damage with key stakeholders impacting investor confidence, market value and access to and cost of capital. In response to climate change and societal demands for action, we have announced GHG emissions reduction targets and aspirations, which will result in additional costs to us, and we cannot guarantee that we will be able to achieve any current or future GHG emissions targets or aspirations.

While we strive to transition to more renewable power sources for our mining operations, as a commercial consumer of power, our ability to reduce our GHG emissions associated with our power consumption demand is dependent upon the mix of our suppliers and locally-available renewable energy resources at our various sites. The transition to renewable and other energy sources could, among other things, increase our capital expenditures, operating and energy costs, depending on the scope, magnitude and timing of increased regulation of fossil-fuel based energy production, including GHG emissions, as well as the availability of alternative energy sources.

In certain aspects of our operations, our ability to reduce our GHG emissions is directly dependent on the actions of third parties and technological solutions and innovation, and our ability to make significant, rapid changes in our GHG emissions in response to potential future regulations may be limited. For example, our diesel-fueled mine trucks are a significant contributor to GHG emissions at our North America and South America operations, but reduction of emissions from mine trucks will depend upon the development of alternative-fueled mining equipment by our third-party suppliers. At our remote operations in Indonesia, we own and operate a coal-fired power plant, and our ability to transition to commercially viable alternative sources of energy will depend on, among other things, a feasibility study and technological considerations.

The physical impacts of climate change may adversely affect our mining operations, workforce and supply chain.

We recognize that as the climate changes, our operations, workforce and supply chain may be exposed to changes in the frequency, intensity and/or duration of intense storms, drought, flooding (including from sea level rise at our coastal operations), wildfire, and other extreme weather events and patterns. Such potential physical impacts of climate change on our operations are highly uncertain, and would vary by operation based on particular geographic circumstances. At many of our mine sites, climate change is projected to impact local precipitation regimes, resulting in shorter-duration, higher-intensity storm events, and the potential for less precipitation overall. We could face increased operational costs associated with managing additional volumes of storm water during more intense future events, including supply disruption, delays and increased pricing. In addition, the potential for overall decreases in precipitation could affect the availability of water needed for our operations, leading to increased operating costs, or in extreme cases, disruptions to mining operations.

In addition, with respect to our tailings facilities, as part of our commitment to implementing the Tailings Standard (discussed in Items 1. and 2. “Business and Properties” herein), we will be required to consider uncertainties due to climate change, incorporate that assessment into the relevant knowledge base for our tailings facilities, use this knowledge base to enhance the resilience of our approach to the impacts of climate change using an adaptive management approach, incorporate that knowledge into facility operations, and take measures to mitigate both
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environmental impact and potential failure risks at our tailings facilities, including those arising from climate change. These obligations likely will require future changes at our tailings facilities, which could increase our operational expenses or require further capital investments.

Increasing scrutiny and evolving expectations from stakeholders with respect to our ESG practices, performance, commitments and disclosures may impact our reputation, increase our costs and impact our access to capital.

Stakeholder scrutiny related to our ESG practices, commitments, performance and disclosures continues to increase. We have adopted certain policies and programs, including with respect to responsible production frameworks, climate change, water stewardship, biodiversity, tailings management and stewardship, waste management, safety and health, human capital management, human rights, social performance and community and Indigenous Peoples relations, and supply chain/responsible sourcing. It is possible, however, that our stakeholders might not be satisfied with our ESG practices, commitments, performance and/or disclosures, or the speed of their adoption, implementation and measurable success. If we do not meet our stakeholders’ evolving expectations, our reputation, access to and cost of capital, and stock price could be negatively impacted.

Investor advocacy groups, certain institutional investors, investment funds, creditors and other influential investors are increasingly focused on our ESG practices and in recent years have placed increasing importance on the ESG implications of their investments and lending decisions.

Organizations that provide information to investors and financial institutions on ESG performance and related matters have developed quantitative and qualitative data collection processes and ratings processes for evaluating companies on their approach to ESG matters. Such ratings are used by some investors to inform their investment and voting decisions. In addition, many investors have created their own proprietary ratings that inform their investment and voting decisions. Unfavorable ratings or assessment of our ESG practices, including our compliance with certain disclosure standards and frameworks, may lead to negative investor sentiment toward us, which could have a negative impact on our stock price and our access to and cost of capital.

Similarly, some financial institutions have incorporated ESG ratings into their credit risk assessments, and screen companies based on their ESG practices and performance when making lending decisions. If we are unable to meet the ESG lending criteria set by our creditors or are required to take certain remediation steps to satisfy such criteria, our access to capital on terms we find favorable may be limited and our costs may increase.

As we continue to focus on our ESG practices, commitments, performance and disclosures, and as ESG-related regulations and disclosure standards and frameworks continue to evolve, we have expanded our public disclosures in these areas. Such disclosures may reflect goals, aspirations, commitments, cost estimates and other expectations and assumptions, including over long timeframes, which are necessarily uncertain and may not be realized.

Further, the voluntary disclosure standards or frameworks we choose to align with are evolving and may change over time and our interpretation of such disclosure standards and frameworks may differ from those of others, either of which may result in a lack of consistent or meaningful comparative data from period to period and/or significant revisions to our goals and aspirations or reported progress in achieving such goals and aspirations.

Ensuring that there are adequate systems and processes in place to comply with the various ESG tracking and disclosure obligations will require management’s time and expense. If we do not adapt to or comply with investor or stakeholder expectations, including with respect to evolving disclosure standards and frameworks, or if we are perceived to have not responded appropriately, regardless of whether there is a legal requirement to do so, we may suffer from reputational damage and our business, financial condition, cost of capital and/or stock price could be materially and adversely affected.

In addition, our customers and end users may require that we implement certain additional ESG procedures or standards before they will start or continue to do business with us, which could lead to preferential buying based on our ESG practices compared to our competitors’ ESG practices. Further, being associated with activities by suppliers, contractors or other affiliates that have or are perceived to have individual or cumulative adverse impacts on the environment, climate, biodiversity and land management, water access and management, human rights or cultural heritage could negatively affect our reputation and impose additional costs.

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Failure or the perceived failure to manage our relationships with the communities and/or Indigenous Peoples where we operate or that are near our operations could harm our reputation and social license to operate.

Our relationships with the communities and/or Indigenous Peoples where we operate or that are adjacent to or near our operations are critical to the long-term success of our existing operations and the development of any future projects. There is ongoing and increasing stakeholder concern relating to a company’s social license to operate and the perceived effects of mining activities on the environment and on communities impacted by such activities. We may engage in activities, such as exploration, production, construction or expansion of our operations that have or are perceived to have adverse impacts on the local communities and their relevant stakeholders, society as a whole, Indigenous Peoples, cultural heritage, human rights and the environment, among other things. For example, our operations may take place on or adjacent to Indigenous Peoples’ ancestral lands, and such Indigenous Peoples may assert rights to the lands where we operate. Further, we may be required or expected by our stakeholders to consult with and/or obtain consent from Indigenous Peoples with respect to these operations.

In addition, our assets are generally long-lived and stakeholders’ perceptions and expectations can change over the life of the mine. Changes in the aspirations and expectations of local communities and/or Indigenous Peoples where we operate, with respect to our employee health and safety performance and our contributions to infrastructure, community development, environmental management and other factors could affect our social license to operate and reputation, and could lead to delays and/or increased costs if expansions or new projects are blocked either temporarily or for extended periods. Failure to effectively engage with communities on an ongoing basis, including the withdrawal of consent or support of Indigenous Peoples, or other stakeholders, could adversely impact our business, damage our reputation and/or result in loss of rights to explore, operate or develop our projects.

Risks related to our common stock

Our holding company structure may impact our ability to service our debt, declare dividends and repurchase shares.

We are a holding company with no material assets other than the capital stock and intercompany receivables of our subsidiaries. As a result, our ability to repay our indebtedness and pay dividends is dependent on the generation of cash flows by our subsidiaries and their ability to make such cash available to us, by dividend, loan, debt repayment or otherwise. Our subsidiaries do not have any obligation to make funds available to us to repay our indebtedness or pay dividends. Dividends from subsidiaries that are not wholly owned are shared with other equity owners. Cash at our international operations is also typically subject to foreign withholding taxes upon repatriation into the U.S.

In addition, our subsidiaries may not be able to, or be permitted to, make distributions to us or repay loans to us, to enable us to repay our indebtedness or pay dividends. Each of our subsidiaries is a distinct legal entity and, under certain circumstances, legal restrictions, as well as the financial condition and operating requirements of our subsidiaries, may limit our ability to obtain cash from our subsidiaries. Certain of our subsidiaries are parties to credit agreements that restrict their ability to make distributions or loan repayments to us if such subsidiary is in default under such agreements, or to transfer substantially all of the assets of such subsidiary without the consent of the lenders. Our rights to participate in any distribution of our subsidiaries’ assets upon their liquidation, reorganization or insolvency would generally be subject to the prior claims of the subsidiaries’ creditors, including any trade creditors.

As more fully described in Note 10, during 2021, our Board of Directors (Board) adopted a performance-based payout framework, which currently includes base and variable dividends and a share repurchase program. Our ability to continue to pay dividends (base or variable) and the timing and amount of any share repurchases is at the discretion of our Board and management, respectively, and is subject to a number of factors, including maintaining our net debt target, capital availability, our financial results, cash requirements, business prospects, global economic conditions, changes in laws, contractual restrictions and other factors deemed relevant by our Board or management, as applicable. Our share repurchase program may be modified, increased, suspended or terminated at any time at the Board’s discretion. Our dividend payments and share repurchases may change, and we cannot provide assurance that we will continue to declare dividends or repurchase shares at all or in any particular amounts. A reduction or suspension in our dividend payments or share repurchases could have a negative effect on the price of our common stock.

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Anti-takeover provisions in our charter documents and Delaware law may make an acquisition of us more difficult.

Anti-takeover provisions in our charter documents and Delaware law may make an acquisition of us more difficult. These provisions may discourage potential takeover attempts, discourage bids for our common stock at a premium over market price or adversely affect the market price of, and the voting and other rights of the holders of, our common stock. These provisions could also discourage proxy contests and make it more difficult for stockholders to elect directors other than the candidates nominated by the Board. Refer to Exhibit 4.1 for further discussion of our anti-takeover provisions.

Further, our By-Laws provide to the fullest extent permitted by law that unless we consent in writing to the selection of an alternative forum, the Court of Chancery of the State of Delaware (or, if the Court of Chancery does not have, or declines to accept, jurisdiction, the United States District Court for the District of Delaware) will be the sole and exclusive forum for any (i) derivative action or proceeding brought on our behalf, (ii) action asserting a claim that is based upon a violation of a duty by any of our current or former directors, officers, employees or stockholders in such capacity, (iii) action asserting a claim arising pursuant to any provision of the Delaware General Corporation Law or to which the Delaware General Corporation Law confers jurisdiction upon the Court of Chancery of the State of Delaware, (iv) action asserting a claim governed by the internal affairs doctrine, or (v) action asserting an “internal corporate claim” as that term is defined in Section 115 of the Delaware General Corporation Law. The choice of forum provision may increase costs to bring a claim, discourage claims or limit a stockholder’s ability to bring a claim in a judicial forum that it finds favorable for disputes with us or our directors, officers or other employees, which may discourage such lawsuits against us or our directors, officers and other employees. Alternatively, if a court were to find the choice of forum provision contained in our By-Laws to be inapplicable or unenforceable in an action, we may incur additional costs associated with resolving such action in other jurisdictions. The exclusive forum provision in our By-laws will not preclude or contract the scope of exclusive federal or concurrent jurisdiction for actions brought under the federal securities laws including the Securities Exchange Act of 1934, as amended, or the Securities Act of 1933, as amended, or the respective rules and regulations promulgated thereunder.

In addition, because we are incorporated in Delaware, we are governed by the provisions of Section 203 of the Delaware General Corporation Law, which may prohibit large stockholders from consummating a merger with, or acquisition of, us.

These provisions may deter an acquisition of us that might otherwise be attractive to our stockholders.

Item 1B.  Unresolved Staff Comments.

Not applicable.

Item 3. Legal Proceedings.

Below is a discussion of our material pending legal proceedings not otherwise required to be disclosed in our Notes to Consolidated Financial Statements. Refer to Note 12 for a discussion of other material pending legal proceedings.

In addition to the material pending legal proceedings discussed below and in Note 12, we are involved periodically in ordinary routine litigation incidental to our business and not required to be disclosed, some of which may result in adverse judgments, settlements, fines, penalties, injunctions or other relief.

United States (U.S.) Securities and Exchange Commission (SEC) regulations require us to disclose environmental proceedings involving a governmental authority if we reasonably believe that such proceedings may result in monetary sanctions above a stated threshold. Pursuant to the SEC regulations, we use a threshold of $1 million for purposes of determining whether disclosure of any such environmental proceedings is required.

Management does not believe, based on currently available information, that the outcome of any currently pending legal proceeding will have a material adverse effect on our financial condition; although individual or cumulative outcomes could be material to our operating results for a particular period, depending on the nature and magnitude of the outcome and the operating results for the period.


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Water Rights Adjudications

Our operations in the western U.S. require significant secure quantities of water for mining and ore processing activities, and related support facilities. Continuous operation of our mines is dependent on, among other things, our ability to maintain our water rights and claims and the continuing physical availability of the water supplies. In the arid western U.S., where certain of our mines are located, water rights are often contested, and disputes over water rights are generally time-consuming, expensive and not necessarily dispositive unless they resolve both actual and potential claims. The loss of a water right or a currently available water supply could force us to curtail operations, or force premature closures, thereby increasing and/or accelerating costs or foregoing profitable operations.

At our North America operations, certain of our water supplies are supported by surface water rights, which give us the right to use public waters for a statutorily defined beneficial use at a designated location. In Arizona, where our operations use both surface and groundwater, we are a participant in an active adjudication in which Arizona courts have been attempting, for over 45 years, to quantify and prioritize surface water claims for the Gila River system, one of the state’s largest river systems. This Gila River adjudication primarily affects our Morenci, Safford (including Lone Star) and Sierrita mines. The Gila River adjudication is addressing the state law claims of thousands of competing users, including us, as well as significant federal water claims that are potentially adverse to the state law claims of both surface water and groundwater users. Groundwater is treated differently from surface water under Arizona law, which historically allowed land owners to pump unlimited quantities of subsurface water, subject only to the requirement of putting it to “reasonable use.” However, court decisions in the adjudication have concluded that some subsurface water constitutes “subflow” that is to be treated legally as surface water and is therefore subject to the Arizona doctrine of prior appropriation and to the adjudication, and potentially unavailable to groundwater pumpers, including us, in the absence of valid surface water claims. Any re-characterization of groundwater as surface water could affect the ability of consumers, farmers, ranchers, municipalities, and industrial users like us to continue to access water supplies that have been relied on for decades. Because we are a user of both groundwater and surface water in Arizona, we are an active participant in the Gila River adjudication.

In Re The General Adjudication of All Rights to Use Water in the Gila River System and Sources, Maricopa County, Superior Court, Cause Nos. W-1 (Salt), W-2 (Verde), W-3 (Upper Gila), and W-4 (San Pedro). This case was originally initiated in 1974 with the filing of a petition with the Arizona State Land Department and was consolidated and transferred to the Maricopa County Superior Court in 1981. The principal parties, in addition to us, include: Arizona Public Service Company, ASARCO, LLC; BHP Copper, Inc; the state of Arizona; various cities and towns and water companies; the Gila Valley Irrigation District; the Franklin Irrigation District; the San Carlos Irrigation and Drainage District; the Salt River Project; the San Carlos Apache Tribe; the Gila River Indian Community; and the U.S. on behalf of those tribes, on its own behalf, and on behalf of the White Mountain Apache Tribe, the Fort McDowell Mohave-Apache Indian Community, the Salt River Pima-Maricopa Indian Community, and the Payson Community of Yavapai Apache Indians. Prior to January 1, 1983, various Indian tribes filed separate suits in the U.S. District Court in Arizona claiming superior rights to water being used by many other parties, including us, and claiming damages for prior use in derogation of their allegedly superior rights. These federal proceedings have been stayed in favor of the adjudications pending in Arizona state courts, and some of the federal suits have since been settled.

In 2005, the Maricopa County Superior Court directed the Arizona Department of Water Resources (ADWR) to prepare detailed recommendations regarding the delineation of the “subflow” zone of the San Pedro River, a tributary of the Gila River. Subsurface water within the subflow zone is presumed to constitute appropriable subflow rather than groundwater. Although we have minimal interests in the San Pedro River Basin, a decision that re-characterizes groundwater in that basin as appropriable subflow may set a precedent for other river systems in Arizona that could have material implications for many commercial, industrial, municipal and agricultural users of groundwater, including our Arizona operations. In 2017, the court approved ADWR’s proposed subflow zone maps; water pumped from wells located inside the mapped subflow zone is now presumed to be appropriable subflow. No party has appealed that decision.

ADWR is now in the process of preparing subflow delineations for the applicable watercourses in Verde River watershed. In December 2021, ADWR issued a report proposing a delineation for the Verde River mainstem and Sycamore Creek and objections to that report are due in May 2022. We do not have any active mining operations in the Verde watershed that would be impacted by this phase of the adjudication.


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In 2014, ADWR submitted a proposal for the development of procedures for “cone of depression” analyses to determine whether a well located outside of the subflow zone creates a cone of depression that intersects the subflow zone. Based on these cone of depression analyses, wells outside of the subflow zone could be subject to the adjudications pending in Arizona state courts. In the absence of a valid surface water claim to support the pumping, owners of wells deemed to be depleting the subflow zone through their cones of depression may be subject to claims that they must refrain from pumping subflow or must pay damages. In January 2017, ADWR issued a report containing its recommended cone of depression test, and a trial was held in March 2018 concerning ADWR’s recommended action.

On November 14, 2018, the Special Master for the Gila River adjudication issued a final decision rejecting ADWR’s recommended cone of depression test, instead adopting our position that a numeric model capable of accounting for complexities of the aquifer system should be used. The Special Master also confirmed that the cone of depression test instead would be an initial test for determining which wells are subject to the adjudications, rather than proving that a well is pumping subflow or establishing how much of a well’s water production is subflow. Such matters will be determined by a subsequent “subflow depletion test,” which has not yet been formulated. Some of our adversaries objected to the Special Master’s final decision, and the Arizona Superior Court heard oral argument on the objections in February 2020. This issue remains under advisement with the Arizona Superior Court.

In response to the Special Master’s decision, in December 2018, ADWR submitted its initial report on the “subflow depletion test,” which will specify the methodology a well owner must use to quantify the portion of the water drawn from a well that is subflow as opposed to groundwater; however, ADWR remains in the process of developing its proposed subflow depletion test. We, along with the other parties, will have the opportunity to provide input throughout the process.

The first issue litigated concerned whether for the subflow depletion test the subflow zone should be represented in the numeric model as extending only as deep as the bottom of the floodplain alluvium or extend all the way down to bedrock. In August 2021, the Special Master issued an order recognizing our position that if the vertical extent of the subflow zone is extended below the floodplain alluvium, it would result in overstated depletion calculations. Accordingly, the Special Master ordered that the vertical boundary of the subflow zone be restricted to the floodplain alluvium. To date, our adversaries have not taken steps to appeal this ruling.

In proceedings separate from the development of the depletion test, in June 2020, the Special Master designated legal questions to be resolved concerning a well owner’s ability to obtain a surface water right for subsurface water that, while initially believed to be non-appropriable groundwater, is ultimately determined to be appropriable subflow. In April 2021, the Special Master ruled that, for uses initiated after enactment of the 1919 permitting statute, a well owner may not pursue a surface water right unless the well owner filed an application for a permit to appropriate.

As part of the adjudications, the U.S. has asserted numerous claims for express and implied “reserved” surface water and groundwater rights on Indian and non-Indian federal lands throughout Arizona. These claims are related to reservations of federal land for specific purposes (e.g., Indian reservations, national parks, military bases and wilderness areas). Unlike state law-based water rights, federal reserved water rights are given priority in the “prior appropriation” system based on the date the land was reserved, not the date that water was first used on the land. In addition, federal reserved water rights may enjoy greater protection from groundwater pumping than is accorded to state law-based water rights.

In multiple instances, the U.S. asserts a right to all water in a particular watershed that was not effectively appropriated under state law prior to the establishment of the federal reservation. This creates risks for both surface water users and groundwater users because such expansive claims may severely impede competing uses of water within the same watershed. Because there are numerous federal reservations in watersheds across Arizona, the reserved water right claims of the U.S. pose a significant risk to multiple operations, including Morenci and Safford (including Lone Star) in the Upper Gila River watershed, and Sierrita in the Santa Cruz watershed. Because federal reserved water rights may adversely affect water uses at each of these operations, we have been actively involved in litigation over these claims. Because federal reserved water rights have not yet been quantified, the task of determining how much water each federal reservation may use has been left to the Arizona Superior Court handling the Gila River adjudication. Several “contested cases” to quantify reserved water rights for particular federal reservations in Arizona are currently pending with only one resolved at this time. That case, In re Aravaipa Canyon Wilderness Area, was to resolve the U.S.’s claims to water for the Aravaipa Canyon Wilderness Area. The case was tried in 2015 and the court issued a decision in December 2018 supportive of our position on almost all issues, including rejection of U.S.’s core argument that wilderness areas are entitled to all water that was not appropriated
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at the time the reservation was created. We believe the rulings in this case will support our positions in other pending federal reserved water right cases, including these: In re Fort Huachuca, which involves the U.S.’s claims to water for an Arizona army base and is awaiting a decision following a trial which concluded in February 2017; In re Redfield Canyon Wilderness Area, which involves the U.S.’s claims to water for another wilderness area and is awaiting a decision following a trial which concluded in May 2017; and In re San Pedro Riparian National Conservation Area, which involves the U.S.’s claims to water for a national conservation area and is awaiting a decision following a trial which concluded in May 2018.

Given the legal and technical complexity of these adjudications, their long history, and their long-term legal, economic and political implications, it is difficult to predict the timing or the outcome of these proceedings. If we are not able to satisfactorily resolve the issues being addressed in the adjudications, our ability to pump groundwater could be diminished or curtailed, and our operations at Morenci, Safford (including Lone Star) and Sierrita could be adversely affected unless we are able to acquire alternative water resources.

Item 4. Mine Safety Disclosures.

Our highest priority is the health, safety and well-being of our workforce. We believe that health and safety considerations are integral to, and fundamental for, all other functions in our organization, and we understand that the health and safety of our workforce is critical to our operational efficiency and long-term success. Our global health and safety approach, “Safe Production Matters,” is focused on fatality prevention and continuous improvement through the use of robust management systems, empowering safe work behaviors and strengthening our safety culture.

Our objective is to achieve zero workplace fatalities and to decrease injuries and occupational illnesses. We measure progress toward achieving our objective against regularly established benchmarks, including measuring company-wide Total Recordable Incident Rates (TRIR). Our TRIR (including contractors) per 200,000 man-hours worked was 0.69 in both 2021 and 2020. The metal mining sector industry average per 200,000 man-hours worked reported by the U.S. Mine Safety and Health Administration was 1.70 for 2021 (preliminary for the period of January 1, 2021, through September 30, 2021) and 1.66 in 2020. Refer to Exhibit 95.1 for mine safety disclosures required in accordance with Section 1503(a) of the Dodd-Frank Wall Street Reform and Consumer Protection Act and Item 104 of Regulation S-K.

Information About our Executive Officers.

Certain information as of February 15, 2022, about our executive officers is set forth in the following table and accompanying text:
NameAgePosition or Office
Richard C. Adkerson75Chairman of the Board and Chief Executive Officer
Kathleen L. Quirk58President and Chief Financial Officer
Stephen T. Higgins64Senior Vice President and Chief Administrative Officer
Douglas N. Currault II57Senior Vice President and General Counsel
Richard C. Adkerson has served as Chairman of the Board since February 2021, Chief Executive Officer since December 2003 and has been a director since October 2006. Mr. Adkerson previously served as Vice Chairman of the Board from May 2013 to February 2021, President from January 2008 to February 2021 and also from April 1997 to March 2007, and Chief Financial Officer from October 2000 to December 2003.

Kathleen L. Quirk has served as President since February 2021 and as Chief Financial Officer since December 2003. Ms. Quirk previously served as Executive Vice President from March 2007 to February 2021, Treasurer from February 2000 to August 2018 and as Senior Vice President from December 2003 to March 2007. Ms. Quirk also serves on the Board of Directors of Vulcan Materials Company.

Stephen T. Higgins has served as Senior Vice President since August 2018 and as Chief Administrative Officer since January 2019. Mr. Higgins previously served as Vice President - Sales and Marketing from March 2007 to August 2018 and as President of Freeport-McMoRan Sales Company, Inc. from April 2006 to August 2019.

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Douglas N. Currault II has served as Senior Vice President and General Counsel since October 2019. Mr. Currault previously served as Deputy General Counsel from January 2015 to October 2019, Assistant General Counsel from January 2008 to January 2015, Secretary from May 2007 to December 2019 and as Assistant Secretary from February 2000 to May 2007.

PART II

Item 5.  Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities.

Unregistered Sales of Equity Securities

None.

Common Stock

Our common stock is traded on the New York Stock Exchange under the symbol “FCX.” At January 31, 2022, there were 10,719 holders of record of our common stock.

Common Stock Dividends

In February 2021, our Board of Directors (the Board) reinstated a cash dividend on our common stock (base dividend) at an annual rate of $0.30 per share, and on November 1, 2021, the Board approved a variable cash dividend on our common stock for 2022 at an expected annual rate of $0.30 per share. The combined annual rate of the base dividend and the variable dividend is expected to total $0.60 per share for 2022.

On December 22, 2021, the Board declared cash dividends totaling $0.15 per share (which included the $0.075 per share quarterly base cash dividend and the $0.075 per share variable cash dividend) on our common stock, which was paid on February 1, 2022, to shareholders of record as of January 14, 2022. The declaration and payment of dividends (base or variable) is at the discretion of our Board and will depend upon our financial results, cash requirements, business prospects, global economic conditions and other factors deemed relevant by our Board. See “Cautionary Statement” in Items 7. and 7A. “Management’s Discussion and Analysis of Financial Condition and Results of Operations and Quantitative and Qualitative Disclosures About Market Risk” and Note 10 for further discussion.

Issuer Purchases of Equity Securities

In November 2021, our Board approved a new share repurchase program, which authorizes repurchases of up to $3.0 billion of our common stock. The timing and amount of the share repurchases is at the discretion of management and will depend on a variety of factors. The program may be modified, increased, suspended or terminated at any time at the Board’s discretion. See Note 10 for further discussion.


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The following table summarizes share repurchases made by us during the three months ended December 31, 2021, and the approximate dollar value of shares that may yet be purchased pursuant to our share repurchase program:
Period(a) Total
Number of
Shares Purchased
(b) Average
Price Paid Per Share
(c) Total Number of
Shares Purchased as Part of Publicly Announced Plans or Programsa
(d) Maximum Number of Shares That May
Yet Be Purchased Under the Plans or Programsa
October 1-31, 2021—  $— — — 
November 1-30, 20212,680,026 $39.19 2,680,026 — 
December 1-31, 202110,518,245 
b
$38.04 10,062,511 — 
Total13,198,271 $38.27 12,742,537 12742537000000— 
a.On November 1, 2021, our Board approved a new share repurchase program authorizing repurchases of up to $3.0 billion of our common stock. This new share repurchase program superseded and replaced the share repurchase program previously authorized by our Board in July 2008. The new share repurchase program does not obligate us to acquire any specific amount of shares and does not have an expiration date.
b.Includes 455,734 shares acquired in connection with stock option exercises during the period shown. All other share repurchases were made under our publicly announced program.

Item 6. Reserved.

Items 7. and 7A.  Management’s Discussion and Analysis of Financial Condition and Results of Operations and Quantitative and Qualitative Disclosures About Market Risk.

In Management’s Discussion and Analysis of Financial Condition and Results of Operations and Quantitative and Qualitative Disclosures About Market Risk (MD&A), “we,” “us” and “our” refer to Freeport-McMoRan Inc. and its consolidated subsidiaries. The results of operations reported and summarized below are not necessarily indicative of future operating results (refer to “Cautionary Statement” below for further discussion). References to “Notes” are Notes included in our Notes to Consolidated Financial Statements. Throughout MD&A, all references to earnings or losses per share are on a diluted basis.

This section of our Form 10-K discusses the results of operations for the years 2021 and 2020 and comparisons between these years. Discussion of the results of operations for the year 2019 and comparisons between the years 2020 and 2019 are not included in this Form 10-K and can be found in Items 7. and 7A. “Management’s Discussion and Analysis of Financial Condition and Results of Operations and Quantitative and Qualitative Disclosures About Market Risk” contained in Part II of our Annual Report on Form 10-K for the fiscal year ended December 31, 2020.

OVERVIEW

We are a leading international mining company with headquarters in Phoenix, Arizona. We operate large, long-lived, geographically diverse assets with significant proven and probable mineral reserves of copper, gold and molybdenum. We are one of the world’s largest publicly traded copper producers. Our portfolio of assets includes the Grasberg minerals district in Indonesia, one of the world’s largest copper and gold deposits; and significant mining operations in North America and South America, including the large-scale Morenci minerals district in Arizona and the Cerro Verde operation in Peru.

Our results for 2021 reflect strong operating and financial performance, and cash flow generation. We remained focused on cost and capital management and advanced our sustainability objectives. Despite continued challenges associated with the COVID-19 pandemic, we achieved a 19 percent increase in copper sales volumes and a 59 percent increase in gold sales volumes in 2021, compared with 2020. During 2022, we expect to grow production and sales volumes while continuing to execute our operating plans, which we expect will provide strong cash flows to support advancement of organic growth initiatives and continue cash returns to shareholders under our established financial policy, based on a favorable operational and market outlook.

In February 2021, our Board of Directors (Board) adopted a financial policy for the allocation of cash flows aligned with our strategic objectives of maintaining a strong balance sheet and increasing cash returns to shareholders while advancing opportunities for future growth. Following achievement of our net debt target in the range of $3.0 billion to $4.0 billion (excluding debt for additional smelting capacity in Indonesia), we announced in November 2021 the implementation of a performance-based payout framework, including the commencement of a new $3.0 billion share repurchase program (through February 15, 2022, we acquired 18.2 million shares of our common stock for a
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total cost of $710 million, $39.10 per share) and expected base and variable dividends on common stock totaling $0.60 per share for 2022. Our Board will review the structure and the amount of the performance-based payout framework at least annually. Refer to Note 10 and “Capital Resources and Liquidity” for further discussion of our financial policy.

As further discussed in “Operations,” highlights during 2021 include:
The successful ramp-up of underground mining at the Grasberg minerals district, achieving quarterly copper and gold volumes in the fourth quarter approximating 100 percent of the projected annualized levels.
Operations at the Lone Star copper leach project at our Safford mine exceeded initial design capacity of 200 million pounds of copper annually and produced approximately 235 million pounds of copper.
Cerro Verde's concentrator facilities milling rates averaged 380,300 metric tons of ore per day, compared with 331,600 metric tons of ore per day in 2020. Subject to ongoing monitoring of COVID-19 protocols, Cerro Verde is targeting milling rates to increase to approximately 400,000 metric tons of ore per day during 2022.
Advancement of several initiatives to recover additional copper from our large existing leach stockpiles across our North America and South America operations, which incorporate new applications, technologies and data analytics currently being developed.

Net income attributable to common stock totaled $4.3 billion in 2021 and $599 million in 2020. Our results in 2021, compared to 2020, primarily reflect increased copper and gold volumes and higher copper and molybdenum prices, partly offset by higher production and delivery costs and provision for income taxes. Refer to “Consolidated Results” for discussion of items impacting our consolidated results for the two years ended December 31, 2021.

At December 31, 2021, we had consolidated debt of $9.5 billion and consolidated cash and cash equivalents of $8.1 billion, resulting in net debt of $1.4 billion. This represents a reduction in net debt of $4.7 billion from December 31, 2020. Refer to “Net Debt” for reconciliations of consolidated debt and consolidated cash and cash equivalents to net debt.

At December 31, 2021, we had no borrowings and $3.5 billion available under our revolving credit facility. In 2021, we redeemed all $524 million of our 3.55% Senior Notes due 2022 at a redemption price equal to 100 percent of the principal amount, plus accrued and unpaid interest. Our next senior note maturity is in March 2023, with redemption rights, at par, beginning in December 2022. During 2021, we also prepaid $200 million of the Cerro Verde Term Loan (the $325 million balance at December 31, 2021, matures in June 2022). Refer to Note 8 and “Capital Resources and Liquidity” for further discussion.

We have significant mineral reserves, mineral resources and future development opportunities within our portfolio of mining assets. At December 31, 2021, our estimated consolidated recoverable proven and probable mineral reserves totaled 107.2 billion pounds of copper, 27.1 million ounces of gold and 3.39 billion pounds of molybdenum. Refer to “Critical Accounting Estimates - Mineral Reserves” and Note 17 for further discussion.

During 2021, production from our mines totaled 3.8 billion pounds of copper, 1.4 million ounces of gold and 85 million pounds of molybdenum. Following is an allocation of our consolidated copper, gold and molybdenum production in 2021 by geographic location:
CopperGoldMolybdenum
North America38 %%76 %
a
South America27 — 24 
Indonesia35 99 — 
100 %100 %100 %
a.Our North America copper mines produced 40 percent of consolidated molybdenum production, and our Henderson and Climax molybdenum mines produced 36 percent.
Copper production from the Morenci mine in North America, Cerro Verde mine in Peru and the Grasberg minerals district in Indonesia together totaled 74 percent of our consolidated copper production in 2021.

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OUTLOOK

We continue to view the long-term outlook for our business positively, supported by expected rising demand associated with limitations on supplies of copper, the global economic recovery and infrastructure development and new demand associated with clean energy. Our financial results vary as a result of fluctuations in market prices primarily for copper, gold and, to a lesser extent, molybdenum, as well as other factors. World market prices for these commodities have fluctuated historically and are affected by numerous factors beyond our control. Refer to “Markets” for further discussion. Because we cannot control the price of our products, the key measures that management focuses on in operating our business are sales volumes, unit net cash costs, operating cash flows and capital expenditures.

Sales Volumes  
Following are our projected consolidated sales volumes for 2022 and actual consolidated sales volumes for 2021:
20222021
(Projected)(Actual)
Copper (millions of recoverable pounds):
   
North America copper mines1,550  1,436 
South America mining1,180  1,055 
Indonesia mining1,570  1,316 
Total4,300 3,807 
   
Gold (thousands of recoverable ounces)
1,580  1,360 
Molybdenum (millions of recoverable pounds)
80 
a
82 
a.Includes 50 million pounds from our North America and South America copper mines and 30 million pounds from our Molybdenum mines.

Consolidated sales for first-quarter 2022 are expected to approximate 970 million pounds of copper, 380 thousand ounces of gold and 20 million pounds of molybdenum. Projected sales volumes are dependent on operational performance, weather-related conditions, timing of shipments and other factors. For other important factors that could cause results to differ materially from projections, refer to “Cautionary Statement” below and Item 1A. “Risk Factors” contained in Part I of our annual report on Form 10-K for the year ended December 31, 2021.

Consolidated Unit Net Cash Costs
Assuming average prices of $1,800 per ounce of gold and $19.00 per pound of molybdenum and achievement of current sales volume and cost estimates, consolidated unit net cash costs (net of by-product credits) for our copper mines are expected to average $1.35 per pound of copper in 2022. The impact of price changes on 2022 consolidated unit net cash costs would approximate $0.03 per pound for each $100 per ounce change in the average price of gold and $0.02 per pound for each $2 per pound change in the average price of molybdenum. Quarterly unit net cash costs vary with fluctuations in sales volumes and realized prices, primarily for gold and molybdenum.

Consolidated Operating Cash Flows
Our consolidated operating cash flows vary with sales volumes; prices realized from copper, gold and molybdenum sales; production costs; income taxes; other working capital changes; and other factors. Based on current sales volume and cost estimates, and assuming average prices of $4.50 per pound of copper, $1,800 per ounce of gold and $19.00 per pound of molybdenum, our consolidated operating cash flows are estimated to approximate $8.0 billion (net of $1.3 billion of working capital and other uses, mostly for income tax payments) for the year 2022. Estimated consolidated operating cash flows in 2022 also reflect a projected income tax provision of $3.2 billion (refer to “Consolidated Results - Income Taxes” for further discussion of our projected income tax rate for the year 2022). The impact of price changes during 2022 on operating cash flows would approximate $365 million for each $0.10 per pound change in the average price of copper, $100 million for each $100 per ounce change in the average price of gold and $110 million for each $2 per pound change in the average price of molybdenum.


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Consolidated Capital Expenditures
Capital expenditures for the year 2022 are expected to approximate $4.7 billion, $3.3 billion excluding the greenfield smelter and precious metals refinery (PMR) (collectively, the Indonesia smelter projects discussed below), including $2.0 billion for major mining projects ($1.4 billion for planned major projects primarily related to development activities associated with the Grasberg Block Cave and Deep Mill Level Zone (DMLZ) underground mines and $0.6 billion for discretionary growth projects).

Capital expenditures for the Indonesia smelter projects are expected to approximate $1.4 billion for the year 2022. Development of additional smelting capacity in Indonesia will result in the elimination of export duties, providing an offset to the economic cost associated with the Indonesia smelter projects.
MARKETS

World prices for copper, gold and molybdenum can fluctuate significantly. During the period from January 2012 through December 2021, the London Metal Exchange (LME) copper settlement price varied from a low of $1.96 per pound in 2016 to a record high of $4.86 per pound in 2021; the London Bullion Market Association (London) PM gold price fluctuated from a low of $1,049 per ounce in 2015 to a record high of $2,067 per ounce in 2020, and the Metals Week Molybdenum Dealer Oxide weekly average price ranged from a low of $4.46 per pound in 2015 to a high of $20.01 per pound in 2021. Copper, gold and molybdenum prices are affected by numerous factors beyond our control as described further in Item 1A. “Risk Factors” contained in Part I of our annual report on Form 10-K for the year ended December 31, 2021.
fcx-20211231_g16.jpg
This graph presents LME copper settlement prices and the combined reported stocks of copper at the LME, Commodity Exchange Inc., and the Shanghai Futures Exchange from January 2012 through December 2021. For the year 2021, LME copper settlement prices ranged from a low of $3.52 per pound to a record high of $4.86 per pound, averaged $4.23 per pound and closed at $4.40 per pound on December 31, 2021. Copper prices have been supported by strong demand during the pandemic recovery, rising investor sentiment associated with copper’s prominent role in the global transition to cleaner energy, ongoing supply disruptions and falling inventories. The LME copper settlement price was $4.36 per pound on January 31, 2022.

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Long-term fundamentals for copper remain positive. We believe future demand will be supported by copper’s role in the global transition to renewable power, electric vehicles and other carbon-reduction initiatives, and continued urbanization in developing countries. The small number of approved, large-scale projects beyond those expected to commence operations in 2022 and 2023, the long lead times required to permit and build new mines and declining ore grades at existing operations continue to highlight the fundamental supply challenges for copper.
fcx-20211231_g17.jpg
This graph presents London PM gold prices from January 2012 through December 2021. For the year 2021, London PM gold prices ranged from a low of $1,684 per ounce to a high of $1,943 per ounce, averaged $1,799 per ounce and closed at $1,806 per ounce on December 30, 2021 (there was no London PM gold price quote on December 31, 2021). While the global economic recovery has put downward pressure on gold prices, many analysts expect gold prices to remain supported by the effects of elevated debt levels associated with large pandemic-related stimulus efforts and historically low United States (U.S.) interest rates. The London PM gold price was $1,795 per ounce on January 31, 2022.

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fcx-20211231_g18.jpg
This graph presents the Metals Week Molybdenum Dealer Oxide weekly average price from January 2012 through December 2021. For the year 2021, the weekly average price for molybdenum ranged from a low of $10.09 per pound to a high of $20.01 per pound, averaged $15.92 per pound and was $18.70 per pound on December 31, 2021. Molybdenum prices have risen in reaction to supply constraints and increased demand, as mines in both Chile and Peru reported lower production, and logistics challenges continued globally. The Metals Week Molybdenum Dealer Oxide weekly average price was $19.12 per pound on January 31, 2022.

CRITICAL ACCOUNTING ESTIMATES

MD&A is based on our consolidated financial statements, which have been prepared in conformity with generally accepted accounting principles (GAAP) in the U.S. The preparation of these statements requires that we make estimates and assumptions that affect the reported amounts of assets, liabilities, revenues and expenses. We base these estimates on historical experience and on assumptions that we consider reasonable under the circumstances; however, reported results could differ from those based on the current estimates under different assumptions or conditions. The areas requiring the use of management’s estimates are also discussed in Note 1 under the subheading “Use of Estimates.” Management has reviewed the following discussion of its development and selection of critical accounting estimates with the Audit Committee of our Board.

Taxes
In preparing our consolidated financial statements, we estimate the actual amount of income taxes currently payable or receivable as well as deferred income tax assets and liabilities attributable to temporary differences between the financial statement carrying amounts of existing assets and liabilities and their respective tax bases. Deferred income tax assets and liabilities are measured using enacted tax rates expected to apply to taxable income in the years in which these temporary differences are expected to be recovered or settled. The effect on deferred income tax assets and liabilities of a change in tax rates or laws is recognized in income in the period in which such changes are enacted.


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Our operations are in multiple jurisdictions where uncertainties arise in the application of complex tax regulations. Some of these tax regimes are defined by contractual agreements with the local government, while others are defined by general tax laws and regulations. We and our subsidiaries are subject to reviews of our income tax filings and other tax payments, and disputes can arise with the taxing authorities over the interpretation of our contracts or laws. During 2021, PT-FI recorded charges to provision for income taxes totaling $186 million associated with historical contested tax matters in Indonesia. Refer to Note 11 for further discussion.

As discussed in Note 11, we operate in the U.S. and multiple international tax jurisdictions, and our income tax returns are subject to examination by tax authorities in those jurisdictions who may challenge any tax position on these returns. Uncertainty in a tax position may arise because tax laws are subject to interpretation. We use significant judgment to (1) determine whether, based on the technical merits, a tax position is more likely than not to be sustained and (2) measure the amount of tax benefit that qualifies for recognition.

We have uncertain tax positions related to income tax assessments in Indonesia and Peru, including penalties and interest, which have not been recorded at December 31, 2021. Final taxes paid may be dependent upon many factors, including negotiations with taxing authorities. In certain jurisdictions, we pay a portion of the disputed amount before formally appealing an assessment. Such payment is recorded as a receivable if we believe the amount is collectible. Refer to Note 12 for further discussion.

A valuation allowance is provided for those deferred income tax assets for which the weight of available evidence suggests that the related benefits will not be realized. In determining the amount of the valuation allowance, we consider estimated future taxable income or loss as well as feasible tax planning strategies in each jurisdiction. If we determine that we will not realize all or a portion of our deferred income tax assets, we will increase our valuation allowance. Conversely, if we determine that we will ultimately be able to realize all or a portion of the related benefits for which a valuation allowance has been provided, all or a portion of the related valuation allowance will be reduced.

Our valuation allowances totaled $4.1 billion at December 31, 2021, which covered all of our U.S. foreign tax credits and U.S. federal net operating losses (NOLs), substantially all of our U.S. state NOLs, and a portion of our foreign NOLs. During 2021, valuation allowances decreased by $645 million. Refer to Note 11 for further discussion.

Environmental Obligations
Our current and historical operating activities are subject to various national, state and local environmental laws and regulations that govern the protection of the environment, and compliance with those laws requires significant expenditures. Environmental expenditures are charged to expense or capitalized, depending upon their future economic benefits. The guidance provided by U.S. GAAP requires that liabilities for contingencies be recorded when it is probable that obligations have been incurred, and the cost can be reasonably estimated. At December 31, 2021, environmental obligations recorded in our consolidated balance sheet totaled $1.7 billion, which reflect obligations for environmental liabilities attributed to the Comprehensive Environmental Response, Compensation, and Liability Act of 1980 (CERCLA) or analogous state programs and for estimated future costs associated with environmental matters. Refer to Item 1A. “Risk Factors” contained in Part I of our annual report on Form 10-K for the year ended December 31, 2021, and Notes 1 and 12 for further discussion of environmental obligations, including a summary of changes in our estimated environmental obligations for the three years ended December 31, 2021.

Accounting for environmental obligations represents a critical accounting estimate because (i) changes to environmental laws and regulations and/or circumstances affecting our operations could result in significant changes to our estimates, which could have a significant impact on our results of operations, (ii) we will not incur most of these costs for a number of years, requiring us to make estimates over a long period, (iii) calculating the discounted cash flows for certain of our environmental obligations requires management to estimate the amounts and timing of projected cash flows and make long-term assumptions about inflation rates and (iv) changes in estimates used in determining our environmental obligations could have a significant impact on our results of operations.


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We perform a comprehensive annual review of our environmental obligations and also review changes in facts and circumstances associated with these obligations at least quarterly. Judgments and estimates are based upon currently available facts, existing technology, presently enacted laws and regulations, remediation experience, whether or not we are a potentially responsible party (PRP), the ability of other PRPs to pay their allocated portions and take into consideration reasonably possible outcomes. Our cost estimates can change substantially as additional information becomes available regarding the nature or extent of site contamination, updated cost assumptions (including increases and decreases to cost estimates), changes in the anticipated scope and timing of remediation activities, the settlement of environmental matters, required remediation methods and actions by or against governmental agencies or private parties.

Asset Retirement Obligations
We record the fair value of our estimated asset retirement obligations (AROs) associated with tangible long-lived assets in the period incurred. Fair value is measured as the present value of cash flow estimates after considering inflation and a market risk premium. Our cost estimates are reflected on a third-party cost basis and comply with our legal obligation to retire tangible long-lived assets in the period incurred. These cost estimates may differ from financial assurance cost estimates for reclamation activities because of a variety of factors, including obtaining updated cost estimates for reclamation activities, the timing of reclamation activities, changes in scope and the exclusion of certain costs not considered reclamation and closure costs. At December 31, 2021, AROs recorded in our consolidated balance sheet totaled $2.7 billion, including $0.3 billion associated with our remaining oil and gas operations. In 2021, primarily because of safety constraints and other concerns regarding our reclamation activities associated with an overburden stockpile at our Indonesia operations, we recorded a $397 million adjustment to our Indonesia AROs. Refer to Item 1A. “Risk Factors” contained in Part I of our annual report on Form 10-K for the year ended December 31, 2021, and to Notes 1 and 12 for further discussion of reclamation and closure costs, including a summary of changes in our AROs for the three years ended December 31, 2021.

Generally, ARO activities are specified by regulations or in permits issued by the relevant governing authority, and management’s judgment is required to estimate the extent and timing of expenditures. Accounting for AROs represents a critical accounting estimate because (i) we will not incur most of these costs for a number of years, requiring us to make estimates over a long period, (ii) reclamation and closure laws and regulations could change in the future and/or circumstances affecting our operations could change, either of which could result in significant changes to our current plans, (iii) the methods used or required to plug and abandon non-producing oil and gas wellbores, remove platforms, tanks, production equipment and flow lines, and restore the wellsite could change, (iv) calculating the fair value of our AROs requires management to estimate projected cash flows, make long-term assumptions about inflation rates, determine our credit-adjusted, risk-free interest rates and determine market risk premiums that are appropriate for our operations and (v) given the magnitude of our estimated reclamation, mine closure and wellsite abandonment and restoration costs, changes in any or all of these estimates could have a significant impact on our results of operations.

Mineral Reserves
Recoverable proven and probable mineral reserves were determined from the application of relevant modifying factors to geological data, in order to establish an operational, economically viable mine plan and have been prepared in accordance with the disclosure requirements of subpart 1300 of Securities and Exchange Commission Regulation S-K. The determination of mineral reserves involves numerous uncertainties with respect to the ultimate geology of the ore bodies, including quantities, grades and recoveries. Estimating the quantity and grade of mineral reserves requires us to determine the size, shape and depth of our ore bodies by analyzing geological data, such as samplings of drill holes, tunnels and other underground workings. In addition to the geology of our mines, assumptions are required to determine the economic feasibility of mining these reserves, including estimates of future commodity prices and demand, the mining methods we use and the related costs incurred to develop and mine our mineral reserves. Our estimates of recoverable proven and probable mineral reserves are prepared by and are the responsibility of our employees. These estimates are reviewed and verified regularly by independent experts in mining, geology and reserve determination.


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Our consolidated estimated recoverable proven and probable mineral reserves shown below were assessed using long-term price assumptions of $2.50 per pound for copper, $1,200 per ounce of gold and $10 per pound of molybdenum. The following table summarizes changes in our estimated consolidated recoverable proven and probable copper, gold and molybdenum mineral reserves during 2020 and 2021:
Coppera
(billion
pounds)
Gold
(million
ounces)
Molybdenum
(billion
pounds)
Consolidated reserves at December 31, 2019116.0 29.6 3.58 
Net additions0.4 0.2 0.21 
Production(3.2)(0.9)(0.08)
Consolidated reserves at December 31, 2020113.2 28.9 3.71 
Net revisions(2.2)(0.4)(0.24)
Production(3.8)(1.4)(0.08)
Consolidated reserves at December 31, 2021107.2 27.1 3.39 
a.Includes estimated recoverable metals contained in stockpiles. See below for additional discussion of recoverable copper in stockpiles.

Refer to Note 17, and Items 1. and 2. “Business and Properties” and Item 1A. “Risk Factors” contained in Part I of our annual report on Form 10-K for the year ended December 31, 2021, for further information regarding, and risks associated with, our estimated recoverable proven and probable mineral reserves.

As discussed in Note 1, we depreciate our life-of-mine mining and milling assets and values assigned to proven and probable mineral reserves using the unit-of-production (UOP) method based on our estimated recoverable proven and probable mineral reserves. Because the economic assumptions used to estimate mineral reserves may change from period to period and additional geological data is generated during the course of operations, estimates of mineral reserves may change, which could have a significant impact on our results of operations, including changes to prospective depreciation rates and impairments of long-lived asset carrying values. Based on projected copper sales volumes, if estimated copper reserves at our mines were 10 percent higher at December 31, 2021, we estimate that our annual depreciation, depletion and amortization (DD&A) expense for 2022 would decrease by approximately $50 million (approximately $30 million to net income attributable to common stock), and a 10 percent decrease in copper reserves would increase DD&A expense by approximately $165 million (approximately $85 million to net income attributable to common stock). We perform annual assessments of our existing assets in connection with the review of mine operating and development plans. If it is determined that assigned asset lives do not reflect the expected remaining period of benefit, any change could affect prospective DD&A rates.

As discussed below and in Note 1, we review and evaluate our long-lived assets for impairment when events or changes in circumstances indicate that the related carrying amount of such assets may not be recoverable, and changes to our estimates of recoverable proven and probable mineral reserves could have an impact on our assessment of asset recoverability.

Recoverable Copper in Stockpiles
We record, as inventory, applicable costs for copper contained in mill and leach stockpiles that are expected to be processed in the future based on proven processing technologies. Mill and leach stockpiles are evaluated periodically to ensure that they are stated at the lower of weighted-average cost or net realizable value (refer to Note 4 and “Consolidated Results” for further discussion of inventory adjustments recorded for the three years ended December 31, 2021). Accounting for recoverable copper from mill and leach stockpiles represents a critical accounting estimate because (i) it is impracticable to determine copper contained in mill and leach stockpiles by physical count, thus requiring management to employ reasonable estimation methods and (ii) recoveries from leach stockpiles can vary significantly. Refer to Note 1 for further discussion of our accounting policy for recoverable copper in stockpiles.

At December 31, 2021, estimated consolidated recoverable copper was 1.8 billion pounds in leach stockpiles (with a carrying value of $2.1 billion) and 0.3 billion pounds in mill stockpiles (with a carrying value of $0.4 billion).


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Impairment of Long-Lived Assets
As discussed in Note 1, we assess the carrying values of our long-lived mining assets when events or changes in circumstances indicate that the related carrying amounts of such assets may not be recoverable. In evaluating our long-lived mining assets for recoverability, we use estimates of pre-tax undiscounted future cash flows of our mines.

Estimates of future cash flows are derived from current business plans, which are developed using near-term metal price forecasts reflective of the current price environment and management’s projections for long-term average metal prices. In addition to near- and long-term metal price assumptions, other key assumptions include estimates of commodity-based and other input costs; proven and probable mineral reserves estimates, including the timing and cost to develop and produce the mineral reserves; value beyond proven and probable mineral reserve estimates (refer to Note 1); and the use of appropriate discount rates in the measurement of fair value. We believe our estimates and models used to determine fair value are similar to what a market participant would use. As quoted market prices are unavailable for our individual mining operations, fair value is determined through the use of after-tax discounted estimated future cash flows.

During the two-year period ended December 31, 2021, no material impairments of our long-lived mining assets were recorded.

In addition to decreases in future metal price assumptions, other events that could result in future impairment of our long-lived mining assets include, but are not limited to, decreases in estimated recoverable proven and probable mineral reserves and any event that might otherwise have a material adverse effect on mine site production levels or costs. Refer to Item 1A. “Risk Factors” contained in Part I of our annual report on Form 10-K for the year ended December 31, 2021.

CONSOLIDATED RESULTS
 Years Ended December 31,
 2021 2020 
SUMMARY FINANCIAL DATA
 (in millions, except per share amounts)
Revenuesa,b
$22,845 $14,198 
Operating incomea
$8,366 

$2,437 

Net income attributable to common stockc
$4,306 
d
$599 
e
Diluted net income per share attributable to common stock$2.90 
d
$0.41 
e
Diluted weighted-average common shares outstanding1,482  1,461  
Operating cash flowsf
$7,715 $3,017 
Capital expenditures$2,115 $1,961 
At December 31:
Cash and cash equivalents$8,068 $3,657 
Total debt, including current portion$9,450 $9,711 
a.Refer to Note 16 for a summary of revenues and operating income by operating division.
b.Includes adjustments to embedded derivatives for provisionally priced concentrate and cathode sales (refer to Note 14).
c.We defer recognizing profits on intercompany sales until final sales to third parties occur. Refer to “Operations - Smelting & Refining” for a summary of net impacts from changes in these deferrals.
d.Includes net charges in 2021 totaling $331 million ($0.22 per share), primarily associated with net adjustments to AROs mostly at PT Freeport Indonesia (PT-FI), historical contested tax matters at PT-FI (including historical tax audits and an administrative fine levied by the Indonesia government) and nonrecurring labor-related charges for labor agreements at Cerro Verde, partly offset by the release of a valuation allowance on NOLs at PT-FI’s subsidiary, a gain on the sale of Freeport Cobalt, refunds of Arizona transaction privilege taxes related to purchased electricity and favorable adjustments to prior-years’ profit sharing at Cerro Verde.
e.Includes net charges in 2020 totaling $191 million ($0.13 per share), primarily associated with the COVID-19 pandemic and revised operating plans (including employee separation costs), a framework for the resolution of all current and future potential talc-related litigation, net losses on early extinguishment of debt, metals inventory adjustments and historical contested tax audits at PT-FI. These charges were partly offset primarily by a gain on the sale of our interests in the Kisanfu exploration project.
f.Working capital and other sources totaled $755 million in 2021 and $665 million in 2020.
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Years Ended December 31,
2021 2020
SUMMARY OPERATING DATA    
Copper (millions of recoverable pounds)
    
Production 3,843 3,206 
Sales, excluding purchases3,807 3,202 
Average realized price per pound$4.33 $2.95 
Site production and delivery costs per pounda
$1.93 $1.88 
Unit net cash costs per pounda
$1.34 $1.48 
Gold (thousands of recoverable ounces)
    
Production1,381 857 
Sales, excluding purchases1,360 855 
Average realized price per ounce$1,796 $1,832 
Molybdenum (millions of recoverable pounds)
    
Production85 76 
Sales, excluding purchases82 80 
Average realized price per pound$15.56 $10.20 
a.Reflects per pound weighted-average production and delivery costs and unit net cash costs (net of by-product credits) for all copper mines, before net noncash and other costs. For reconciliations of the per pound unit costs by operating division to production and delivery costs applicable to sales reported in our consolidated financial statements, refer to “Product Revenues and Production Costs.”

Revenues
Consolidated revenues totaled $22.8 billion in 2021 and $14.2 billion in 2020. Our revenues primarily include the sale of copper concentrate, copper cathode, copper rod, gold in concentrate and molybdenum. Following is a summary of changes in our consolidated revenues from 2020 to 2021 (in millions):
Consolidated revenues - 2020$14,198 
Mining operations:
Higher sales volumes:
Copper1,784 
Gold925 
Molybdenum13 
Higher (lower) averaged realized prices:
Copper5,253 
Gold(48)
Molybdenum439 
Adjustments for prior year provisionally priced copper sales271 
Lower revenues from sales of purchased copper(64)
Higher Atlantic Copper revenues924 
Higher treatment charges(83)
Higher royalties and export duties(291)
Other, including intercompany eliminations(476)
Consolidated revenues - 2021$22,845 

Sales Volumes. Copper and gold sales volumes were higher in 2021, compared to 2020, primarily reflecting the ramp-up of underground mining at the Grasberg minerals district.

Refer to “Operations” for further discussion of sales volumes at our mining operations.

Realized Prices. Our consolidated revenues can vary significantly as a result of fluctuations in the market prices of copper, gold and molybdenum. In 2021, our average realized prices were 47 percent higher for copper, 2 percent lower for gold and 53 percent higher for molybdenum, compared with 2020.

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Average realized copper prices include net favorable adjustments to current year provisionally priced copper sales (i.e., provisionally priced sales during the years 2021 and 2020) totaling $256 million for 2021 and $361 million for 2020. Refer to Note 14 for a summary of total adjustments to prior period and current period provisionally priced sales. As discussed below and in “Disclosures About Market Risks - Commodity Price Risk,” substantially all of our copper concentrate and cathode sales contracts provide final copper pricing in a specified future month (generally one to four months from the shipment date). We record revenues and invoice customers at the time of shipment based on then-current LME prices, which results in an embedded derivative on provisionally priced concentrate and cathode sales that is adjusted to fair value through earnings each period, using the period-end forward prices, until final pricing on the date of settlement. To the extent final prices are higher or lower than what was recorded on a provisional basis, an increase or decrease to revenues is recorded each reporting period until the date of final pricing. Accordingly, in times of rising copper prices, our revenues benefit from adjustments to the final pricing of provisionally priced sales pursuant to contracts entered into in prior periods; in times of falling copper prices, the opposite occurs.

Prior Year Provisionally Priced Copper Sales. Net favorable (unfavorable) adjustments to prior years’ provisionally priced copper sales (i.e., provisionally priced copper sales at December 31, 2020 and 2019) recorded in consolidated revenues totaled $169 million in 2021 and $(102) million in 2020. Refer to “Disclosures About Market Risks - Commodity Price Risk” for further discussion of our provisionally priced copper sales, and to Note 14 for a summary of total adjustments to prior period and current period provisionally priced copper sales.

Purchased Copper. Lower revenues associated with purchased copper in 2021, compared to 2020, primarily reflects lower volumes, partly offset by higher copper prices. We purchased copper cathode primarily for processing by our Rod & Refining operations, totaling 173 million pounds in 2021 and 290 million pounds in 2020.

Atlantic Copper Revenues. Higher Atlantic Copper revenues in 2021, compared with 2020, primarily reflect higher copper prices.

Treatment Charges. Revenues from our concentrate sales are recorded net of treatment charges (i.e., fees paid to smelters that are generally negotiated annually), which will vary with the sales volumes and the price of copper.

Royalties and Export Duties. Royalties are primarily for sales from PT-FI and vary with the volume of metal sold and the prices of copper and gold. PT-FI will continue to pay export duties until development progress for additional smelting capacity in Indonesia exceeds 50 percent. Refer to “Operations - Indonesia Mining” for further discussion of the current progress on additional smelting capacity in Indonesia and to Note 13 for a summary of PT-FI’s royalties and export duties.

Production and Delivery Costs
Consolidated production and delivery costs totaled $12.0 billion in 2021, compared with $10.0 billion in 2020. Higher consolidated production and delivery costs in 2021 primarily reflect higher sales volumes, the ramp-up of underground mining at the Grasberg minerals district, higher milling rates at Cerro Verde associated with the return to pre-COVID-19 operating rates and higher maintenance and input costs. The year 2021 includes net charges totaling $415 million primarily associated with an unfavorable ARO adjustment (refer to Note 12) and other net charges at PT-FI and nonrecurring labor-related charges at Cerro Verde for collective labor agreements, partly offset by refunds of Arizona transaction privilege taxes related to purchased electricity and favorable adjustments to prior-years’ profit sharing at Cerro Verde. The year 2020 includes net charges totaling $252 million, primarily associated with the COVID-19 pandemic and revised operating plans (including employee separation costs). Refer to Note 16 for details of production and delivery costs by operating segment.

Mining Unit Site Production and Delivery Costs. Site production and delivery costs for our copper mining operations primarily include labor, energy and commodity-based inputs, such as sulfuric acid, reagents, liners, tires and explosives. Consolidated unit site production and delivery costs (before net noncash and other costs) for our copper mines averaged $1.93 per pound of copper in 2021 and $1.88 per pound in 2020. Higher consolidated unit site production and delivery costs in 2021, compared with 2020, primarily reflect higher mining and milling costs associated with ramped-up operations and higher maintenance and input costs, partly offset by higher sales volumes. Consolidated site production and delivery costs per pound for the year 2021 included nonrecurring labor-related charges at Cerro Verde for collective labor agreements. Refer to “Operations - Unit Net Cash Costs” for further discussion of unit net cash costs associated with our operating divisions, and to “Product Revenues and Production Costs” for reconciliations of per pound costs by operating division to production and delivery costs applicable to sales reported in our consolidated financial statements.
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Our copper mining operations require significant amounts of energy, principally diesel, electricity, coal and natural gas, most of which is obtained from third parties under long-term contracts. Our take-or-pay contractual obligations for electricity totaled approximately $0.3 billion at December 31, 2021. We do not have take-or-pay contractual obligations for other energy commodities. Energy represented approximately 21 percent of our copper mine site operating costs in 2021, including purchases of approximately 220 million gallons of diesel fuel; approximately 8,000 gigawatt hours of electricity at our North America and South America copper mining operations (we generate all of our power at our Indonesia mining operation); approximately 750 thousand metric tons of coal for our coal power plant in Indonesia; and approximately 1 million MMBtu (million British thermal units) of natural gas at certain of our North America mines. Based on current cost estimates, energy will approximate 25 percent of our copper mine site operating costs for 2022.

Depreciation, Depletion and Amortization
Depreciation will vary under the UOP method as a result of changes in sales volumes and the related UOP rates at our mining operations. Consolidated DD&A totaled $2.0 billion in 2021 and $1.5 billion in 2020. Higher DD&A in 2021, compared with 2020, primarily relates to significant assets placed in service associated with the ramp-up of underground mining at the Grasberg minerals district.

Metals Inventory Adjustments
Unfavorable net realizable value metals inventory adjustments totaled $16 million in 2021 and $96 million in 2020. Metals inventory adjustments in 2021 were primarily related to a leach stockpile adjustment. Metals inventory adjustments in 2020 were related to volatility in copper and molybdenum prices associated with the COVID-19 pandemic. Refer to Note 4 for further details on our inventory adjustments.

Environmental Obligations and Shutdown Costs
Environmental obligation costs reflect net revisions to our long-term environmental obligations, which vary from period to period because of changes to environmental laws and regulations, the settlement of environmental matters and/or circumstances affecting our operations that could result in significant changes in our estimates (refer to “Critical Accounting Estimates - Environmental Obligations” for further discussion). Shutdown costs include care-and-maintenance costs and any litigation, remediation or related expenditures associated with closed facilities or operations.

Net charges for environmental obligations and shutdown costs totaled $91 million in 2021, including unfavorable adjustments to environmental obligations totaling $41 million. Net charges for the year 2020 totaled $159 million, including talc-related litigation charges of $132 million, primarily associated with a framework for the resolution of all current and future potential talc-related litigation, partly offset by $19 million of net favorable adjustments to environmental obligations. Refer to Note 12 for environmental obligations and litigation matters.

Net Gain on Sales of Assets
Net gain on sales of assets totaled $80 million in 2021 and $473 million in 2020. Gains on sales of assets in 2021 were primarily associated with the sale of our remaining Freeport Cobalt assets and the sale of carbon dioxide emissions credits at Atlantic Copper. Gains on sales of assets in 2020 were primarily associated with the sale of our interests in the Kisanfu undeveloped exploration project. Refer to Note 2 for further discussion of dispositions.

Interest Expense, Net
Consolidated interest costs (before capitalization and excluding interest expense associated with international tax matters) totaled $634 million in 2021 and $649 million in 2020. Interest expense associated with international tax matters totaled $40 million in 2021 and $96 million in 2020 (refer to Note 11).

Capitalized interest varies with the level of expenditures for our development projects and average interest rates on our borrowings, and totaled $72 million in 2021 and $147 million in 2020. The decrease in capitalized interest in 2021, compared with 2020, is primarily related to significant assets at PT-FI’s underground mines being placed in service. Refer to “Operations” and “Capital Resources and Liquidity - Investing Activities” for further discussion of current development projects.

Other (Expense) Income, Net
Other (expense) income, net, totaled $(105) million in 2021 and $59 million in 2020. The year 2021 includes charges totaling $208 million associated with historical contested tax matters at PT-FI (refer to Note 11), partly offset by gains on currency exchange rate movements and other net credits. The year 2020 includes a gain of $30 million for the sale of royalty interests.
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Income Taxes
Following is a summary of the approximate amounts used in the calculation of our consolidated income tax provision for the years ended December 31 (in millions, except percentages):
20212020
Income (Loss)a
Effective
Tax Rate
Income Tax
(Provision)
Benefit
Income (Loss)a
Effective
Tax Rate
Income Tax
(Provision)
Benefit
U.S.b
$1,883 1%$(10)
c
$(532)11%$60 
d
South America2,072 40%(820)
e
466 51%(239)
f
Indonesia3,986 35%(1,377)
g
1,342 45%(608)
h
PT-FI historical contested tax disputesi
(219)N/A(147)(44)N/A
Gain on sale of Kisanfu— N/A— 486 N/A(135)
Eliminations and other(63)N/A55 79 N/A(24)
Consolidated $7,659 30%$(2,299)$1,797 53%
j
$(944)
a.Represents income (loss) before income taxes and equity in affiliated companies' net earnings.
b.In addition to our North America mining operations, the U.S. jurisdiction reflects corporate-level expenses, which include interest expense associated with senior notes, general and administrative expenses, and environmental obligations and shutdown costs.
c.Includes valuation allowance release on prior year unbenefited NOLs.
d.Includes tax benefits of $53 million associated with the reversal of a year-end 2019 tax charge related to the sale of our interest in the lower zone of the Timok exploration project and $6 million associated with the removal of a valuation allowance on deferred tax assets.
e.Includes a tax benefit at Cerro Verde of $18 million primarily associated with completion of tax audits for the years 2014 and 2015.
f.Includes tax charges at Cerro Verde of $15 million primarily associated with adjustments to profit sharing for prior years.
g.Includes net tax benefits associated with the release of valuation allowances recorded against PT Rio Tinto Indonesia NOLs totaling $189 million. The year 2021 also includes a tax benefit of $24 million, primarily associated with the reversal of a tax reserve related to the treatment of prior-year contractor support costs; partly offset by a tax charge of $10 million associated with the audit of PT-FI's 2019 tax returns.
h.Includes tax charges of $21 million associated with establishing a tax reserve related to the treatment of prior-year contractor support costs and $8 million associated with an unfavorable 2012 Indonesia Supreme Court ruling.
i.Refer to Note 11 for further discussion of these historical contested tax disputes.
j.Our consolidated effective income tax rate is a function of the combined effective tax rates for the jurisdictions in which we operate, excluding the U.S. jurisdiction.

Assuming achievement of current sales volume and cost estimates and average prices of $4.50 per pound for copper, $1,800 per ounce for gold and $19.00 per pound for molybdenum for 2022, we estimate our consolidated effective tax rate for the year 2022 would approximate 30 percent. Changes in projected sales volumes and average prices during 2022 would incur tax impacts at estimated effective rates of 39 percent for Peru, 38 percent for Indonesia and 0 percent for the U.S.

Variations in the relative proportions of jurisdictional income result in fluctuations to our consolidated effective income tax rate. Because of our U.S. tax position, we do not record a financial statement impact for income or losses generated in the U.S.

Refer to Note 11 for further discussion of income taxes.

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OPERATIONS

Responsible Production
The Copper Mark. We are committed to validating all of our copper producing sites with the Copper Mark, a comprehensive assurance framework designed to demonstrate the copper industry's responsible production practices. To achieve the Copper Mark, each site is required to complete an external assurance process to assess conformance with 32 environmental, social and governance (ESG) requirements. We have a total of seven sites that have been validated (Bagdad, Morenci, Miami, El Paso, Cerro Verde, El Abra and Atlantic Copper) and we have commenced the Copper Mark assessment process at four additional sites in North America, including Chino, Tyrone, Safford and Sierrita.

International Council of Mining and Metals (ICMM). We are a founding and active member of the ICMM, an international organization dedicated to safe, fair and sustainable mining. We are committed to implementing ICMM's Mining Principles which serve as a best practice framework on sustainable development for the global mining and metals industry. Our Chairman of the Board and Chief Executive Officer serves as the current Chair of ICMM.

2020 Annual Report on Sustainability. We published our 2020 Annual Report on Sustainability in April 2021, which is available on our website. We have a long history of ESG programs and are continuously striving to improve and embrace evolving stakeholder expectations. This report marked our 20th year of reporting on our sustainability progress and our first year reporting in alignment with the Sustainability Accounting Standards Board Metals & Mining industry framework. We are committed to building upon our achievements in sustainability and seek to contribute positively to society by supplying the world with responsibly produced copper. Refer to Item 1A. “Risk Factors” contained in Part I of our annual report on Form 10-K for the year ended December 31, 2021, for further discussion of ESG-related risks.

2020 Climate Report. We published our updated climate report in September 2021, which is available on our website. The climate report details the work underway across our global business to reduce greenhouse gas (GHG) emissions, improve energy efficiency, advance the use of renewable energy and enhance our resilience to future climate-related risks. The updated climate report includes our GHG emissions reduction targets and aspirations and reflects our continued progress towards alignment with the current recommendations of the Task Force on Climate-related Financial Disclosures. Refer to Item 1A. “Risk Factors” contained in Part I of our annual report on Form 10-K for the year ended December 31, 2021, for further discussion of climate-related risks.

Innovation Initiatives
During 2021, we continued to advance innovation initiatives designed to enhance productivity, expand margins and reduce the capital intensity of our business through the utilization of new technology applications in combination with a more interactive operating structure. These initiatives are expected to allow us to recover additional copper from our large existing leach stockpiles. There are several projects ongoing across our North America and South America operations, which incorporate new applications, technologies and data analytics. Initial results are encouraging and support additional work on these emerging opportunities.

North America Copper Mines
We operate seven open-pit copper mines in North America - Morenci, Bagdad, Safford (including Lone Star), Sierrita and Miami in Arizona, and Chino and Tyrone in New Mexico. All of the North America mining operations are wholly owned, except for Morenci. We record our 72 percent undivided joint venture interest in Morenci using the proportionate consolidation method.

The North America copper mines include open-pit mining, sulfide-ore concentrating, leaching and solution extraction/electrowinning (SX/EW) operations. A majority of the copper produced at our North America copper mines is cast into copper rod by our Rod & Refining segment. The remainder of our North America copper production is sold as copper cathode or copper concentrate, a portion of which is shipped to Atlantic Copper (our wholly owned smelter). Molybdenum concentrate, gold and silver are also produced by certain of our North America copper mines.

Operating and Development Activities. We have substantial mineral reserves and future opportunities in the U.S., primarily associated with existing mining operations. Current operations at the Lone Star copper leach project at our Safford mine, which was completed in the second half of 2020, are exceeding the initial design capacity of 200 million pounds annually and produced approximately 235 million pounds of copper in 2021. We continue to advance opportunities to increase Lone Star operating rates and are advancing plans to increase volumes to achieve 300 million pounds of copper per year from oxide ores. The oxide project advances the opportunity for development of
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the large-scale sulfide resources at Lone Star. We are increasing exploration in the area to support metallurgical testing and mine development planning for a potential long-term investment in a concentrator.

We are also evaluating an expansion to potentially double concentrator capacity at our Bagdad operation in northwest Arizona, and are engaging stakeholders. Feasibility studies to double Bagdad's operating rates are expected to commence in 2022.

Operating Data. Following is summary operating data for the North America copper mines for the years ended December 31:
 2021 2020
Operating Data, Net of Joint Venture Interests  
Copper (millions of recoverable pounds)
  
Production 1,460 1,418 
Sales, excluding purchases1,436 1,422 
Average realized price per pound$4.30 $2.82 
Molybdenum (millions of recoverable pounds)
  
Productiona
34 33 
100% Operating Data  
Leach operations  
Leach ore placed in stockpiles (metric tons per day)665,900 714,300 
Average copper ore grade (percent)0.29 0.27 
Copper production (millions of recoverable pounds)1,056 1,047 
Mill operations  
Ore milled (metric tons per day)269,500 279,700 
Average ore grade (percent):
Copper0.38 0.35 
Molybdenum0.03 0.02 
Copper recovery rate (percent)81.2 84.1 
Copper production (millions of recoverable pounds)649 647 
a.Refer to “Consolidated Results” for our consolidated molybdenum sales volumes, which include sales of molybdenum produced at the North America copper mines.

Copper sales volumes from our North America copper mines totaled 1.4 billion pounds in 2021 and 2020. North America copper sales are estimated to approximate 1.55 billion pounds in 2022. Refer to “Outlook” for projected molybdenum sales volumes.

Unit Net Cash Costs. Unit net cash costs per pound of copper is a measure intended to provide investors with information about the cash-generating capacity of our mining operations expressed on a basis relating to the primary metal product for our respective operations. We use this measure for the same purpose and for monitoring operating performance by our mining operations. This information differs from measures of performance determined in accordance with U.S. GAAP and should not be considered in isolation or as a substitute for measures of performance determined in accordance with U.S. GAAP. This measure is presented by other metals mining companies, although our measure may not be comparable to similarly titled measures reported by other companies.


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Gross Profit per Pound of Copper and Molybdenum
The following table summarizes unit net cash costs and gross profit per pound of copper at our North America copper mines for the two years ended December 31, 2021. Refer to “Product Revenues and Production Costs” for an explanation of the “by-product” and “co-product” methods and a reconciliation of unit net cash costs per pound to production and delivery costs applicable to sales reported in our consolidated financial statements.
 20212020
 By-Co-Product MethodBy-Co-Product Method
Product
Method
Copper
Molyb-
denuma
Product
Method
Copper
Molyb-
denuma
Revenues, excluding adjustments$4.30 $4.30 $14.14 $2.82 $2.82 $8.62 
Site production and delivery, before net noncash      
and other costs shown below2.13 1.96 8.17 1.90 1.78 6.84 
By-product credits(0.33)— — (0.19)— — 
Treatment charges0.09 0.09 — 0.10 0.10 — 
Unit net cash costs1.89 2.05 8.17 1.81 1.88 6.84 
DD&A0.25 0.24 0.62 0.25 0.23 0.56 
Metals inventory adjustments0.01 0.01 — 0.03 0.03 — 
Noncash and other costs, net0.07 
b
0.07 0.03 0.10 
c
0.10 0.09 
Total unit costs2.22 2.37 8.82 2.19 2.24 7.49 
Revenue adjustments, primarily for pricing on prior period open sales
— — — (0.02)(0.02)— 
Gross profit per pound$2.08 $1.93 $5.32 $0.61 $0.56 $1.13 
Copper sales (millions of recoverable pounds)1,436 1,436  1,420 1,420  
Molybdenum sales (millions of recoverable pounds)a
  34   33 
a.Reflects sales of molybdenum produced by certain of the North America copper mines to our molybdenum sales company at market-based pricing.
b.Includes credits totaling $0.02 per pound of copper associated with refunds of Arizona transaction privilege taxes related to purchased electricity.
c.Includes charges totaling $0.02 per pound of copper, primarily associated with our April 2020 revised operating plans (including employee separation costs) and the COVID-19 pandemic (including health and safety costs).

Our North America copper mines have varying cost structures because of differences in ore grades and characteristics, processing costs, by-product credits and other factors. During 2021, average unit net cash costs (net of by-product credits) for the North America copper mines ranged from $1.47 per pound to $2.86 per pound at the individual mines and averaged $1.89 per pound. Higher average unit net cash costs (net of by-product credits) of $1.89 in 2021, compared with $1.81 per pound in 2020, primarily reflect higher mining and milling costs associated with higher operating rates at Lone Star and higher maintenance and input costs, partly offset by higher by-product credits because of higher molybdenum prices.

Average unit net cash costs (net of by-product credits) for our North America copper mines are expected to approximate $2.00 per pound of copper in 2022, based on achievement of current sales volume and cost estimates and assuming an average molybdenum price of $19.00 per pound. The impact of price changes during 2022 on North America’s average unit net cash costs for the year 2022 would approximate $0.04 per pound for each $2 per pound change in the average price of molybdenum.

South America Mining
We operate two copper mines in South America - Cerro Verde in Peru (in which we own a 53.56 percent interest) and El Abra in Chile (in which we own a 51.0 percent interest), which are consolidated in our financial statements.

South America mining includes open-pit mining, sulfide-ore concentrating, leaching and SX/EW operations. Production from our South America mines is sold as copper concentrate or cathode under long-term contracts. Our South America mines also sell a portion of their copper concentrate production to Atlantic Copper. In addition to copper, the Cerro Verde mine produces molybdenum concentrate and silver.


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Operating and Development Activities. Milling rates at Cerro Verde's concentrator facilities averaged 380,300 metric tons of ore per day for the year 2021, compared with 331,600 metric tons of ore per day for the year 2020 when COVID-19 restrictions resulted in reduced rates. Subject to ongoing monitoring of COVID-19 protocols, Cerro Verde is targeting milling rates to increase to approximately 400,000 metric tons of ore per day during 2022.

El Abra increased operating rates to pre-COVID-19 pandemic levels during 2021. Increased mining and stacking activities are expected to result in a 30 percent increase in El Abra copper production for the year 2022, compared with the year 2021.
We continue to evaluate a large-scale expansion at El Abra to process additional sulfide material and to achieve higher copper recoveries. El Abra's large sulfide resource could potentially support a major mill project similar to the facilities constructed at Cerro Verde in 2015. Technical and economic studies continue to be evaluated to determine the optimal scope and timing for the sulfide project, and we are engaging stakeholders and preparing data required for submission of a robust permit application. We are continuing to monitor potential changes in regulatory and fiscal matters in Chile and will defer major investment decisions pending clarity on these matters.

Operating Data. Following is summary operating data for our South America mining operations for the years ended December 31.
 2021 2020
Copper (millions of recoverable pounds)
  
Production 1,047 979 
Sales 1,055 976 
Average realized price per pound$4.34 $3.05 
Molybdenum (millions of recoverable pounds)
  
Productiona
21 19 
Leach operations  
Leach ore placed in stockpiles (metric tons per day)163,900 160,300 
Average copper ore grade (percent)0.32 0.35 
Copper production (millions of recoverable pounds)256 241 
Mill operations  
Ore milled (metric tons per day)380,300 331,600 
b
Average ore grade (percent):
Copper0.31 0.34 
Molybdenum0.01 0.01 
Copper recovery rate (percent)87.3 84.3 
Copper production (millions of recoverable pounds)791 738 
a.Refer to “Consolidated Results” for our consolidated molybdenum sales volumes, which include sales of molybdenum produced at Cerro Verde.
b.Cerro Verde mill operations were impacted by COVID-19 restrictions.

Higher consolidated copper sales volumes from South America of 1.1 billion pounds in 2021, compared with 1.0 billion pounds in 2020, primarily reflect higher mining and milling rates at Cerro Verde.

Copper sales from South America mines are expected to approximate 1.2 billion pounds in 2022. Refer to “Outlook” for projected molybdenum sales volumes.

Unit Net Cash Costs. Unit net cash costs per pound of copper is a measure intended to provide investors with information about the cash-generating capacity of our mining operations expressed on a basis relating to the primary metal product for our respective operations. We use this measure for the same purpose and for monitoring operating performance by our mining operations. This information differs from measures of performance determined in accordance with U.S. GAAP and should not be considered in isolation or as a substitute for measures of performance determined in accordance with U.S. GAAP. This measure is presented by other metals mining companies, although our measure may not be comparable to similarly titled measures reported by other companies.


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Gross Profit per Pound of Copper
The following table summarizes unit net cash costs and gross profit per pound of copper at our South America mining operations for the two years ended December 31, 2021. Unit net cash costs per pound of copper are reflected under the by-product and co-product methods as the South America mining operations also had sales of molybdenum and silver. Refer to “Product Revenues and Production Costs” for an explanation of the “by-product” and “co-product” methods and a reconciliation of unit net cash costs per pound to production and delivery costs applicable to sales reported in our consolidated financial statements.
 20212020
By-Product
Method
Co-Product
Method
By-Product
Method
Co-Product
Method
Revenues, excluding adjustments$4.34 $4.34 $3.05 $3.05 
Site production and delivery, before net noncash    
and other costs shown below2.23 
a
2.06 1.86 1.74 
By-product credits(0.32)— (0.17)— 
Treatment charges0.13 0.13 0.15 0.15 
Royalty on metals0.01 0.01 0.01 0.01 
Unit net cash costs2.05 2.20 1.85 1.90 
DD&A0.39 0.37 0.43 0.41 
Noncash and other costs, net0.03 
b
0.03 0.13 
c
0.12 
Total unit costs2.47 2.60 2.41 2.43 
Revenue adjustments, primarily for pricing on
prior period open sales0.09 0.09 (0.07)(0.07)
Gross profit per pound$1.96 $1.83 $0.57 $0.55 
Copper sales (millions of recoverable pounds)1,055 1,055 976 976 
a.Includes charges totaling $0.09 per pound of copper associated with nonrecurring labor-related charges at Cerro Verde for collective labor agreements reached with its hourly employees.
b.Includes credits totaling $0.03 per pound of copper associated with favorable adjustments to prior-years’ profit sharing at Cerro Verde.
c.Includes charges totaling $0.09 per pound of copper, primarily associated with idle facility (Cerro Verde) and contract cancellation costs related to the COVID-19 pandemic, and employee separation costs associated with our April 2020 revised operating plans.

Our South America mines have varying cost structures because of differences in ore grades and characteristics, processing costs, by-product credits and other factors. Higher average unit net cash costs (net of by-product credits) of $2.05 per pound of copper in 2021, compared with $1.85 per pound in 2020, primarily reflect increased profit-sharing costs and nonrecurring labor-related charges at Cerro Verde for collective labor agreements and higher maintenance and input costs, partly offset by higher sales volumes and by-product credits.

Revenues from Cerro Verde’s concentrate sales are recorded net of treatment charges, which will vary with Cerro Verde’s sales volumes and the price of copper.

Because certain assets are depreciated on a straight-line basis, South America’s unit depreciation rate may vary with asset additions and the level of copper production and sales.

Revenue adjustments primarily result from changes in prices on provisionally priced copper sales recognized in prior periods. Refer to “Consolidated Results - Revenues” for further discussion of adjustments to prior period provisionally priced copper sales.

Average unit net cash costs (net of by-product credits) for our South America mines are expected to approximate $2.06 per pound of copper in 2022, based on current sales volume and cost estimates and assuming an average price of $19.00 per pound of molybdenum.

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Indonesia Mining
PT-FI’s assets include one of the world’s largest copper and gold deposits at the Grasberg minerals district in Papua, Indonesia. PT-FI produces copper concentrate that contains significant quantities of gold and silver. We have a 48.76 percent interest in PT-FI and manage its mining operations. As further discussed in Note 3, under the terms of the shareholders agreement, our economic interest in PT-FI approximates 81 percent through 2022 and 48.76 percent thereafter. PT-FI’s results are consolidated in our financial statements.

Substantially all of PT-FI’s copper concentrate is sold under long-term contracts. During 2021, 41 percent of PT-FI’s copper concentrate was sold to PT Smelting (PT-FI owned 25.0 percent of PT Smelting prior to April 30, 2021, and 39.5 percent thereafter - See Note 2).

Operating and Development Activities. PT-FI currently has three underground operating mines in the Grasberg minerals district: Grasberg Block Cave, DMLZ and Big Gossan. The ramp-up of underground production at the Grasberg minerals district continues to advance on schedule. For the year 2021, highlights include:
Achieved quarterly copper and gold volumes in fourth-quarter 2021 approximating 100 percent of the projected annualized levels discussed below.
139 new drawbells were constructed at the Grasberg Block Cave and DMLZ underground mines, bringing cumulative open drawbells to 510.
Combined average production from the Grasberg Block Cave and DMLZ underground mines approximated 128,600 metric tons of ore per day (more than double the year 2020 rates) and PT-FI's total milling rates averaged 151,600 metric tons of ore per day.

PT-FI expects milling rates to average approximately 180,000 metric tons of ore per day in 2022. The installation of additional milling facilities are in progress and are currently expected to be completed in 2023, which will increase milling capacity to approximately 240,000 metric tons of ore per day.

PT-FI expects to generate average annual production of approximately 1.6 billion pounds of copper and 1.6 million ounces of gold for the next five years at an attractive unit net cash cost, providing significant margins and cash flows.

PT-FI's estimated capital spending on the Grasberg Block Cave and DMLZ underground projects for the year 2022 is expected to approximate $1.0 billion, net of scheduled contributions from PT Indonesia Asahan Aluminium (Persero) (PT Inalum, also known as MIND ID). PT-FI is also advancing construction of a dual-fuel power plant and upgrades to the mill circuit to improve recoveries. In accordance with applicable accounting guidance, the aggregate costs (before scheduled contributions from PT Inalum), expected to approximate $1.2 billion for the year 2022, will be reflected as an investing activity in our cash flow statement, and contributions from PT Inalum will be reflected as a financing activity.

Kucing Liar. In October 2021, PT-FI commenced long-term mine development activities for its Kucing Liar deposit, which is expected to produce over 6 billion pounds of copper and 5 million ounces of gold between 2028 and the end of 2041. Similar to PT-FI's experience with large-scale, block-cave mines, pre-production development activities will occur over an approximate 10-year timeframe. At full operating rates, annual production from Kucing Liar is expected to approximate 600 million pounds of copper and 500 thousand ounces of gold, providing PT-FI with sustained long-term, large-scale and low-cost production. Capital investments for Kucing Liar over the next 10 years are expected to average approximately $400 million per year. Kucing Liar will benefit from substantial shared infrastructure and PT-FI's experience and long-term success in block-cave mining.

Indonesia Smelter Capacity. In connection with PT-FI’s 2018 agreement with the Indonesia government to secure the extension of its long-term mining rights, PT-FI committed to construct additional domestic smelting capacity totaling 2 million metric tons of concentrate per year by the end of 2023.

During 2020, PT-FI notified the Indonesia government of schedule delays resulting from the COVID-19 pandemic and continues to review with the government a revised schedule for satisfying its commitment.
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On January 7, 2021, the Indonesia government levied an administrative fine of $149 million on PT-FI for failing to achieve physical development progress on the greenfield smelter as of July 31, 2020. During 2021, PT-FI recorded charges totaling $16 million for a potential settlement of the administrative fine. On January 25, 2022, the Indonesia government submitted a new estimate of the administrative fine totaling $57 million. On February 15, 2022, PT-FI responded to the Indonesia government with a revised calculation of $37 million. PT-FI expects to record a charge in first-quarter 2022 for an amount in excess of the previously recorded $16 million. Refer to Note 12 and Item 1A. “Risk Factors” contained in Part I of our annual report on Form 10-K for the year ended December 31, 2021, for further discussion.

PT-FI is actively engaging in the following projects for additional domestic smelting capacity:
Construction of a greenfield smelter with a capacity to process approximately 1.7 million metric tons of concentrate per year. In July 2021, PT-FI awarded a construction contract with an estimated cost of $2.8 billion. During 2021, PT-FI progressed site preparation activities and expects engineering procurement and construction activities to advance during 2022 and 2023. The smelter construction is expected to be completed as soon as feasible in 2024, which is subject to potential pandemic-related disruptions and other factors.
Expansion of PT Smelting's capacity by 30 percent to 1.3 million metric tons of concentrate per year, which is expected to be completed by the end of 2023. PT-FI completed agreements in November 2021 with the majority owner of PT Smelting to implement the expansion plans. PT-FI is funding the cost of the expansion, estimated to approximate $250 million, with a loan that will convert to equity and increase ownership in PT Smelting to a majority ownership interest once the expansion is complete.
Construction of a PMR to process gold and silver from the greenfield smelter and PT Smelting at an estimated cost of $250 million.

In July 2021, PT-FI entered into a $1.0 billion, five-year, unsecured bank credit facility to advance these projects. As of December 31, 2021, $443 million ($432 million net of debt issuance costs) was drawn under this facility. PT-FI is currently arranging incremental financing for these projects, with the cost of debt shared 48.76 percent by us and 51.24 percent by PT Inalum. Refer to Note 8 for further discussion.

Capital expenditures for the Indonesia smelter projects totaled $0.2 billion for 2021, and are expected to approximate $1.4 billion for 2022, $1.1 billion for 2023 and $0.4 billion for 2024, excluding capitalized interest, owner’s costs and commissioning. Development of additional smelting capacity in Indonesia will result in the elimination of export duties, providing an offset to the economic cost associated with the Indonesia smelter projects.


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Operating Data. Following is summary operating data for our Indonesia mining operations for the years ended December 31.
 2021 2020
Operating Data  
Copper (millions of recoverable pounds)
  
Production 1,336 809 
Sales1,316 804 
Average realized price per pound$4.34 $3.08 
Gold (thousands of recoverable ounces)
  
Production 1,370 848 
Sales1,349 842 
Average realized price per ounce$1,796 $1,832 
100% Operating Data  
Ore milled (metric tons per day):  
Grasberg Block Cave70,600 30,800 
DMLZ58,000 28,600 
Deep Ore Zonea
8,700 20,900 
Big Gossan 7,500 7,000 
Other6,800 400 
Total151,600 87,700 
Average ore grade:  
Copper (percent)1.30 1.32 
Gold (grams per metric ton)1.04 1.10 
Recovery rates (percent):
Copper89.8 91.9 
Gold77.0 78.1 
Production (recoverable):
Copper (millions of pounds)1,336 809 
Gold (thousands of ounces)1,370 848 
a.Ore body depleted in 2021.

Higher consolidated sales of 1.3 billion pounds of copper and 1.3 million ounces of gold in 2021, compared with 0.8 billion pounds of copper and 0.8 million ounces of gold in 2020, primarily reflect the ramp-up of underground mining at the Grasberg minerals district.

Consolidated sales volumes from PT-FI are expected to approximate 1.6 billion pounds of copper and 1.6 million ounces of gold in 2022.

Unit Net Cash Costs. Unit net cash costs per pound of copper is a measure intended to provide investors with information about the cash-generating capacity of our mining operations expressed on a basis relating to the primary metal product for our respective operations. We use this measure for the same purpose and for monitoring operating performance by our mining operations. This information differs from measures of performance determined in accordance with U.S. GAAP and should not be considered in isolation or as a substitute for measures of performance determined in accordance with U.S. GAAP. This measure is presented by other metal mining companies, although our measure may not be comparable to similarly titled measures reported by other companies.


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Gross Profit per Pound of Copper and per Ounce of Gold
The following table summarizes the unit net cash costs and gross profit per pound of copper and per ounce of gold at our Indonesia mining operations for the two years ended December 31, 2021. Refer to “Product Revenues and Production Costs” for an explanation of “by-product” and “co-product” methods and a reconciliation of unit net cash costs per pound to production and delivery costs applicable to sales reported in our consolidated financial statements.
 20212020
 By-
Product
Co-Product MethodBy-
Product
Co-Product Method
MethodCopperGoldMethodCopperGold
Revenues, excluding adjustments$4.34 $4.34 $1,796 $3.08 $3.08 $1,832 
Site production and delivery, before net noncash      
and other costs shown below1.49 1.03 424 1.88 1.13 674 
Gold and silver credits(1.95)— — (2.03)— — 
Treatment charges0.24 0.17 69 0.27 0.17 98 
Export duties0.17 0.11 47 0.12 0.07 41 
Royalty on metals0.24 0.17 67 0.19 0.11 72 
Unit net cash costs 0.19 1.48 607 0.43 1.48 885 
DD&A0.80 0.55 228 0.72 0.43 259 
Noncash and other costs, net0.27 
a
0.18 77 0.11 
b
0.07 41 
Total unit costs1.26 2.21 912 1.26 1.98 1,185 
Revenue adjustments, primarily for pricing on
prior period open sales0.05 0.05 (3)(0.03)(0.03)
PT Smelting intercompany loss(0.07)(0.05)(19)(0.01)(0.01)(5)
Gross profit per pound/ounce$3.06 $2.13 $862 $1.78 $1.06 $647 
Copper sales (millions of recoverable pounds)1,316 1,316  804 804  
Gold sales (thousands of recoverable ounces)  1,349   842 
a.Includes charges totaling $0.26 per pound of copper associated with an ARO adjustment.
b.Includes COVID-19 related costs (including one-time incremental employee benefits and health and safety costs) totaling $0.02 per pound of copper.

A significant portion of PT-FI’s costs are fixed and unit costs vary depending on volumes and other factors. PT-FI’s unit net cash costs (including gold and silver credits) of $0.19 per pound of copper in 2021, were lower than unit net cash costs of $0.43 per pound in 2020, primarily reflecting higher copper and gold sales volumes.

Treatment charges vary with the volume of metals sold and the price of copper, and royalties vary with the volume of metals sold and the prices of copper and gold.

PT-FI’s export duties totaled $218 million in 2021 and $93 million in 2020, and PT-FI’s royalties totaled $319 million in 2021 and $153 million in 2020. PT-FI will continue to pay export duties until development progress for additional smelting capacity in Indonesia exceeds 50 percent. Refer to Note 13 for further discussion of PT-FI’s export duties and royalties.

Because certain assets are depreciated on a straight-line basis, PT-FI’s unit depreciation rate may vary with asset additions and the level of copper production and sales. DD&A per pound of copper under they by-product method was $0.80 in 2021, compared with $0.72 in 2020, primarily reflecting significant underground development assets placed in service.

Revenue adjustments primarily result from changes in prices on provisionally priced copper sales recognized in prior periods. Refer to “Consolidated Results - Revenues” for further discussion of adjustments to prior period provisionally priced copper sales.

PT Smelting intercompany loss represents the change in the deferral of PT-FI’s profit on sales to PT Smelting (25.0 percent prior to April 30, 2021, and 39.5 percent thereafter). Refer to “Operations - Smelting & Refining” below for further discussion.

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Assuming an average gold price of $1,800 per ounce for 2022 and achievement of current sales volume and cost estimates, unit net cash costs (including gold and silver credits) for PT-FI are expected to approximate $0.18 per pound of copper in 2022. The impact of price changes during 2022 on PT-FI’s average unit net cash costs would approximate $0.09 per pound of copper for each $100 per ounce change in the average price of gold.

PT-FI’s projected sales volumes and unit net cash costs for the year 2022 are dependent on a number of factors, including operational performance, timing of shipments and the Indonesia government’s extension of PT-FI’s export permit. In March 2021, PT-FI received a one-year extension of its export license through March 15, 2022. Refer to Note 12 and Item 1A. “Risk Factors” contained in Part I of our annual report on Form 10-K for the year ended December 31, 2021, for a discussion of the administrative fine levied by the Indonesia government on PT-FI for failing to achieve physical development progress on the greenfield smelter and ongoing discussions with the Indonesia government regarding a deferred schedule for the completion of the greenfield smelter.

Molybdenum Mines
We have two wholly owned molybdenum mines in Colorado - the Henderson underground mine and the Climax open-pit mine. The Henderson and Climax mines produce high-purity, chemical-grade molybdenum concentrate, which is typically further processed into value-added molybdenum chemical products. The majority of the molybdenum concentrate produced at the Henderson and Climax mines, as well as from our North America and South America copper mines, is processed at our own conversion facilities.

Operating and Development Activities. Production from the Molybdenum mines totaled 30 million pounds of molybdenum in 2021 and 24 million pounds in 2020. The increase in 2021, compared with 2020, primarily reflects higher ore grades. We plan to increase mining rates at the Climax mine in 2022 to provide options to increase volumes in response to market demand for molybdenum.

Unit Net Cash Costs Per Pound of Molybdenum. Unit net cash costs per pound of molybdenum is a measure intended to provide investors with information about the cash-generating capacity of our mining operations expressed on a basis relating to the primary metal product for our respective operations. We use this measure for the same purpose and for monitoring operating performance by our mining operations. This information differs from measures of performance determined in accordance with U.S. GAAP and should not be considered in isolation or as a substitute for measures of performance determined in accordance with U.S. GAAP. This measure is presented by other metals mining companies, although our measure may not be comparable to similarly titled measures reported by other companies.

Unit net cash costs for our Molybdenum mines of $8.87 per pound of molybdenum in 2021 were lower than $9.50 per pound in 2020, primarily reflecting higher volumes. Based on current sales volume and cost estimates, average unit net cash costs for the Molybdenum mines are expected to approximate $12.50 per pound of molybdenum in 2022. The increase in expected unit net cash costs for 2022, compared with 2021, primarily reflects higher mining and input costs. Refer to “Product Revenues and Production Costs” for a reconciliation of unit net cash costs per pound to production and delivery costs applicable to sales reported in our consolidated financial statements.

Smelting & Refining
We wholly own and operate the Miami smelter in Arizona, the El Paso refinery in Texas and a smelter and refinery in Spain (Atlantic Copper). Additionally, PT-FI has a 39.5 percent ownership interest in PT Smelting and expects its ownership to increase to a majority interest upon completion of the project to expand PT Smelting’s smelting capacity. See “Indonesia Smelter Capacity” above for additional information regarding the PT Smelting expansion and Note 13 for information regarding the tolling agreement effective in 2023. Treatment charges for smelting and refining copper concentrate consist of a base rate per pound of copper and per ounce of gold and are generally fixed. Treatment charges represent a cost to our mining operations and income to Atlantic Copper and PT Smelting. Thus, higher treatment charges benefit our smelter operations and adversely affect our mining operations. Our North America copper mines are less significantly affected by changes in treatment charges because these operations are largely integrated with our Miami smelter and El Paso refinery. Through this form of downstream integration, we are assured placement of a significant portion of our concentrate production.

Our Miami smelter processes concentrate produced by our U.S. mines and also provides acid for copper leaching
operations. During 2021, we incurred charges totaling $87 million associated with a major maintenance turnaround at our Miami smelter, which were higher than original estimates as a result of extended downtime to address additional required maintenance work, the COVID-19 pandemic and weather events. The next major maintenance turnaround is scheduled for the first half of 2024.
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Atlantic Copper smelts and refines copper concentrate and markets refined copper and precious metals in slimes. Following is an allocation of Atlantic Copper’s concentrate purchases from unaffiliated third parties and our copper mining operations for the two years ended December 31, 2021:
 20212020
Third parties66 %79 %
North America copper mines18 10 
Indonesia mining
South America mining
 100 %100 %

Atlantic Copper’s major maintenance turnarounds typically occur approximately every eight years, with shorter-term maintenance turnarounds in the interim. Atlantic Copper last completed a major maintenance turnaround in 2013 and most recently completed a 16-day maintenance turnaround in 2019. The next major maintenance turnaround is scheduled for the first half of 2022.

Atlantic Copper has take-or-pay contractual obligations for the procurement of copper concentrate totaling $3.1 billion at December 31, 2021, that provide for deliveries of specified volumes at market-based prices.

PT-FI’s contract with PT Smelting provides for PT-FI to supply 100 percent of the copper concentrate requirements (subject to a minimum or maximum treatment charge rate) necessary for PT Smelting to produce 205,000 metric tons of copper annually on a priority basis. PT-FI may also sell copper concentrate to PT Smelting at market rates for quantities in excess of 205,000 metric tons of copper annually. PT-FI supplied 100 percent of PT Smelting’s concentrate requirements in 2021 and 74 percent in 2020. PT Smelting processed 41 percent of PT-FI’s concentrate production in 2021 and 50 percent of such production in 2020.

In December 2021, PT Smelting received a 12-month extension of its anodes slimes export license, which currently expires December 9, 2022, subject to review and approval by the Indonesia government every 6 months.

PT Smelting’s maintenance turnarounds (which range from two weeks to a month to complete) typically are expected to occur approximately every two years, with shorter-term maintenance turnarounds in the interim. PT Smelting completed a 30-day maintenance turnaround during December 2020, and the next major turnaround is scheduled for the second half of 2022. In addition, PT Smelting has a planned 75-day shutdown scheduled for the first half of 2023 associated with its expansion project.

We defer recognizing profits on sales from our mining operations to Atlantic Copper and on PT-FI’s sales to PT Smelting (on 25.0 percent prior to April 30, 2021, and 39.5 percent thereafter) until final sales to third parties occur. Changes in these deferrals attributable to variability in intercompany volumes resulted in net (reductions) additions to operating income totaling $(188) million ($(106) million to net income attributable to common stock) in 2021 and $(7) million ($1 million to net income attributable to common stock) in 2020. Our net deferred profits on our inventories at Atlantic Copper and PT Smelting to be recognized in future periods’ net income attributable to common stock totaled $175 million at December 31, 2021. Quarterly variations in ore grades, the timing of intercompany shipments and changes in product prices will result in variability in our net deferred profits and quarterly earnings. No significant changes in deferred profits are expected in the first quarter of 2022.

CAPITAL RESOURCES AND LIQUIDITY

Our consolidated operating cash flows vary with sales volumes; prices realized from copper, gold and molybdenum sales; production costs; income taxes; other working capital changes; and other factors. A large component of our production costs are related to energy. See “Consolidated Results” and Item 1A. “Risk Factors” contained in Part I of our annual report on Form 10-K for the year ended December 31, 2021, for further discussion of our energy requirements and related costs.

Our operating cash flows during 2021 primarily reflected strong operating and financial performance and favorable copper prices. During 2022, we expect to grow production and sales volumes while continuing to execute our operating plans, which we expect will provide strong cash flows to support advancement of organic growth initiatives and continue cash returns to shareholders under our established financial policy, based on a favorable operational and market outlook.
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We believe that we have a high-quality portfolio of long-lived copper assets positioned to generate long-term value. During fourth-quarter 2021, PT-FI successfully ramped-up production from its underground mining operations and achieved quarterly copper and volumes approximating 100 percent of the projected annualized level, as well as commenced long-term mine development activities for its Kucing Liar deposit at the Grasberg minerals district. Production from the Lone Star copper leach project at our Safford operation is exceeding initial design capacity with production totaling approximately 235 million pounds in 2021. We are also evaluating organic growth opportunities for expansion of certain of our operations in North America and South America, including at Bagdad, Lone Star and El Abra, the timing of which will be dependent on, among other things, market conditions.

Based on current sales volume, cost and metal price estimates discussed in “Outlook”, our available cash and cash equivalents plus our projected consolidated operating cash flows of $8.0 billion for the year 2022 exceed our expected consolidated capital expenditures of $4.7 billion (which includes $2.0 billion for major projects and $1.4 billion for the Indonesia smelter projects) and other expected cash requirements for the year, including share repurchases, noncontrolling interest distributions, income tax payments, common stock dividends (base and variable) and debt repayments.

We believe that our cash generating capability and financial condition, which includes $8.1 billion of consolidated cash and cash equivalents at December 31, 2021, together with $3.5 billion available under our FCX revolving credit facility, will be adequate to meet our operating, investing and financing needs over the next several years. Expenditures for the Indonesia smelter projects are currently being funded by PT-FI’s new $1.0 billion unsecured bank credit facility and additional debt financing is being evaluated. Refer to “Outlook” for further discussion of projected operating cash flows and capital expenditures for 2022 and to “Debt” below and Note 8 for further discussion of PT-FI’s credit facility.

Financial Policy. In February 2021, our Board adopted a financial policy for the allocation of cash flows aligned with our strategic objectives of maintaining a strong balance sheet and increasing cash returns to shareholders while advancing opportunities for future growth.

In February 2021, the Board reinstated a cash dividend on our common stock (base dividend) at an annual rate of $0.30 per share, and following achievement of our net debt target in the range of $3.0 billion to $4.0 billion (excluding debt for additional smelting capacity in Indonesia), in November 2021 the Board approved the implementation of a performance-based payout framework, including (i) a new $3.0 billion share repurchase program and (ii) a variable cash dividend on common stock for 2022 at an expected annual rate of $0.30 per share. The combined annual rate of the base dividend and the variable dividend is expected to total $0.60 per share for 2022. Based on current shares outstanding totaling 1.5 billion, the total common stock dividends (base and variable) for 2022 are expected to approximate $0.9 billion. Refer to “Financing Activities” below for further discussion.

In December 2021, our Board declared dividends totaling $0.15 per share on our common stock (including a $0.075 per share quarterly base cash dividend and a $0.075 per share quarterly variable cash dividend), which was paid on February 1, 2022, to shareholders of record as of January 14, 2022. Refer to Item 1A. “Risk Factors” contained in Part I of our annual report on Form 10-K for the year ended December 31, 2021, and “Cautionary Statement” below for further discussion.

Cash
Following is a summary of the U.S. and international components of consolidated cash and cash equivalents available to the parent company, net of noncontrolling interests’ share, taxes and other costs at December 31, 2021 (in billions):
Cash at domestic companies$5.2 
Cash at international operations2.9 
Total consolidated cash and cash equivalents8.1 
Noncontrolling interests’ share(0.9)
Cash, net of noncontrolling interests’ share$7.2 
Withholding taxes(0.2)

Net cash available$7.0 


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Cash held at our international operations is generally used to support our foreign operations’ capital expenditures, operating expenses, debt repayments, working capital or other cash needs. Management believes that sufficient liquidity is available in the U.S. from cash balances and availability from our revolving credit facility. We have not elected to permanently reinvest earnings from our foreign subsidiaries, and we have recorded deferred tax liabilities for foreign earnings that are available to be repatriated to the U.S. From time to time, our foreign subsidiaries distribute earnings to the U.S. through dividends that are subject to applicable withholding taxes and noncontrolling interests’ share. See Item 1A. “Risk Factors” contained in Part I of our annual report on Form 10-K for the year ended December 31, 2021, for further discussion of our holding company structure.

Debt
At December 31, 2021, consolidated debt totaled $9.5 billion, with a related weighted-average interest rate of 4.6 percent. We had no borrowings, $8 million in letters of credit issued and approximately $3.5 billion available under our FCX revolving credit facility at December 31, 2021.

On December 1, 2021, we redeemed all of our outstanding $524 million aggregate principal amount of 3.55% Senior Notes due 2022 at a redemption price equal to 100 percent of the principal amount of the notes outstanding, plus accrued and unpaid interest. Our next senior note maturity is March 2023, with redemption rights at par beginning in December 2022.

In September 2021, Cerro Verde elected to prepay $200 million on its term loan, reducing the outstanding balance to $325 million, which matures in June 2022.

In July 2021, PT-FI entered into a $1.0 billion, five-year, unsecured bank credit facility (consisting of a $667 million term loan and a $333 million revolving credit facility) to fund projects associated with its commitment to construct additional smelting capacity in Indonesia. As of December 31, 2021, $443 million ($432 million net of debt issuance costs) was drawn under the PT-FI term loan and no amounts were drawn under the revolving credit facility.

Refer to Note 8 for further discussion of the above items and for information regarding our debt arrangements.

Operating Activities
We generated consolidated operating cash flows of $7.7 billion in 2021 (including $0.8 billion from working capital and other sources) and $3.0 billion in 2020 (including $0.7 billion from working capital and other sources).

Higher operating cash flows for 2021, compared with 2020, primarily reflect increased copper and gold volumes, higher copper and molybdenum prices and the timing of tax payments. We have estimated 2021 final income tax payments primarily in Indonesia and Peru due in the first half of 2022 totaling approximately $1.3 billion.

Investing Activities
Capital Expenditures. Capital expenditures, including capitalized interest, totaled $2.1 billion for the year 2021, including $1.25 billion for major projects, and $2.0 billion for the year 2020, including $1.2 billion for major projects. Major projects were primarily associated with underground development activities in the Grasberg minerals district.

A large portion of the capital expenditures relate to projects that are expected to add significant production and cash flow in future periods, enabling us to continue to generate operating cash flows exceeding capital expenditures in future years. Refer to “Outlook” for further discussion of projected capital expenditures for 2022.

Proceeds from Sales of Assets. In September 2021, we completed the sale of our remaining Freeport Cobalt assets to Jervois Global Limited (Jervois) for $208 million, including net cash proceeds of $150 million and shares of Jervois, and in December 2021, we collected $50 million in consideration associated with the 2019 sale of the Timok exploration project. Proceeds from sales of other assets totaled $47 million in 2021.

In 2020, we sold the Kisanfu undeveloped exploration project for $550 million and collected proceeds of $45 million related to the 2019 sale of the Timok exploration project. Proceeds from sales of other assets totaled $109 million in 2020 primarily related to contingent consideration associated with the 2016 sale of the Tenke Fungurume Mining assets and the sale of royalty assets.

Refer to Note 2 for further discussion.

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Loans to PT Smelting for Expansion. PT-FI made loans to PT Smelting totaling $36 million in 2021 to fund PT Smelting’s expansion project. Refer to “Operations - Indonesia Mining” for further discussion.

Acquisition of Minority Interest in PT Smelting. On April 30, 2021, PT-FI acquired 14.5 percent of the outstanding common stock of PT Smelting for $33 million, increasing its ownership interest from 25.0 percent to 39.5 percent.

Financing Activities
Debt Transactions. Net repayments of debt in 2021 totaled $260 million, primarily associated with the $524 billion redemption of our 3.55% Senior Notes due 2022 and the repayment of $200 million under Cerro Verde’s term loan, partly offset by borrowings of $432 million under the PT-FI term loan.

Net repayments of debt in 2020 totaled $193 million, primarily reflecting the repayment of $305 million under Cerro Verde’s term loan. During 2020, we also completed the sale of $2.8 billion of senior notes and used most of the net proceeds to purchase and redeem senior notes maturing in 2021, 2022, 2023 and 2024. The remaining net proceeds were used for general corporate purposes.

Refer to Note 8 for further discussion of debt transactions.

Cash Dividends and Distributions Paid. We paid cash dividends on our common stock totaling $331 million in 2021 and $73 million in 2020. The declaration and payment of dividends (base or variable) is at the discretion of the Board and will depend on our financial results, cash requirements, business prospects, global economic conditions and other factors deemed relevant by the Board. Refer to Item 1A. “Risk Factors” contained in Part I of our annual report on Form 10-K for the year ended December 31, 2021, “Cautionary Statement” below and discussion of our financial policy above.

Cash dividends and distributions paid to noncontrolling interests at PT-FI and Cerro Verde totaled $583 million in 2021. Based on the estimates discussed in “Outlook,” we currently expect cash dividends and distributions paid to noncontrolling interests to exceed $1.4 billion in 2022. There were no cash dividends or distributions to noncontrolling interests paid in 2020. Cash dividends and distributions to noncontrolling interests vary based on the operating results and cash requirements of our consolidated subsidiaries.

Treasury Stock Purchases. In fourth-quarter 2021, we acquired 12.7 million shares under our share repurchase program for a total cost of $488 million, $38.32 per share. Through February 15, 2022, we have acquired 18.2 million shares under our share repurchase program for a total cost of $710 million, $39.10 per share, and $2.3 billion remains available. The timing and amount of share repurchases is at the discretion of management and will depend on a variety of factors. The share repurchase program may be modified, increased, suspended or terminated at any time at the Board’s discretion. Refer to Item 1A. “Risk Factors” contained in Part I of our annual report on Form 10-K for the year ended December 31, 2021, “Cautionary Statement” below and discussion of our financial policy above.

Contributions from Noncontrolling Interests. PT-FI received equity contributions from PT Inalum for their share of capital spending on the underground mine development projects in the Grasberg minerals district totaling $182 million in 2021 and $156 million in 2020.

Stock-based awards. Following an increase in our stock price during 2021, proceeds from exercised stock options totaled $210 million and payments for related employee taxes totaled $29 million. See Note 10 for a discussion of stock-based awards.

CONTINGENCIES

Environmental
The cost of complying with environmental laws is a fundamental and substantial cost of our business. At December 31, 2021, we had $1.7 billion recorded in our consolidated balance sheet for environmental obligations attributed to CERCLA or analogous state programs and for estimated future costs associated with environmental obligations that are considered probable based on specific facts and circumstances.


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We incurred environmental capital expenditures and other environmental costs (including our joint venture partners’ shares) to comply with applicable environmental laws and regulations that affect our operations totaling $0.3 billion in both 2021 and 2020. For 2022, we expect to incur approximately $0.5 billion of aggregate environmental capital expenditures and other environmental costs. The timing and amount of estimated payments could change as a result of changes in regulatory requirements, changes in scope and timing of reclamation and plug and abandonment activities, the settlement of environmental matters and the rate at which actual spending occurs on continuing matters.

Refer to Items 1. and 2. “Business and Properties,” and Item 1A. “Risk Factors” contained in Part I of our annual report on Form 10-K for the year ended December 31, 2021, Note 12 and “Critical Accounting Estimates - Environmental Obligations” above for further information about environmental regulation, including significant environmental matters.

Asset Retirement Obligations
We recognize AROs as liabilities when incurred, with the initial measurement at fair value. These obligations, which are initially estimated based on discounted cash flow estimates, are accreted to full value over time through charges to cost of sales. Mine reclamation costs for disturbances are recorded as an ARO and as a related asset retirement cost (included in property, plant, equipment and mine development costs) in the period of disturbance. For non-operating properties without mineral reserves, changes to the ARO are recorded in earnings. Our cost estimates are reflected on a third-party cost basis and comply with our legal obligation to retire tangible, long-lived assets. At December 31, 2021, we had $2.7 billion recorded in our consolidated balance sheet for AROs, including $0.3 billion related to our oil and gas properties. Spending on AROs totaled $201 million in 2021 and $156 million in 2020 (including $77 million in 2021 and $38 million in 2020 for our oil and gas operations). At our former Grasberg open-pit operations in Indonesia, we recorded an ARO adjustment of $397 million in 2021, with $340 million charged to production and delivery costs, as it relates to the depleted Grasberg open pit. For 2022, we expect to incur approximately $0.2 billion in aggregate ARO payments (including $0.1 billion for our oil and gas operations). Refer to Note 12 and “Critical Accounting Estimates - Asset Retirement Obligations” above for further discussion.

Litigation and Other Contingencies
Refer to Notes 2 and 12, and Item 1A. “Risk Factors” and Item 3. “Legal Proceedings” contained in Part I of our annual report on Form 10-K for the year ended December 31, 2021, for further discussion of contingencies associated with legal proceedings and other matters.

DISCLOSURES ABOUT MARKET RISKS

Commodity Price Risk
Our consolidated revenues from our mining operations include the sale of copper concentrate, copper cathode, copper rod, gold, molybdenum and other metals by our North America and South America mines, the sale of copper concentrate (which also contains significant quantities of gold and silver) by our Indonesia mining operations, the sale of molybdenum in various forms by our molybdenum operations, and the sale of copper cathode, copper anode and gold in anode and slimes by Atlantic Copper. Our financial results will vary with fluctuations in the market prices of the commodities we produce, primarily copper and gold, and to a lesser extent molybdenum. For projected sensitivities of our operating cash flow to changes in commodity prices, refer to “Outlook.” World market prices for these commodities have fluctuated historically and are affected by numerous factors beyond our control. Refer to Item 1A. “Risk Factors” contained in Part I of our annual report on Form 10-K for the year ended December 31, 2021, for further discussion of financial risks associated with fluctuations in the market prices of the commodities we sell.

During 2021, our mined copper was sold 59 percent in concentrate, 21 percent as cathode and 20 percent as rod from North America operations. Substantially all of our copper concentrate and cathode sales contracts provide final copper pricing in a specified future month (generally one to four months from the shipment date) based primarily on quoted LME monthly average copper settlement prices. We receive market prices based on prices in the specified future period, which results in price fluctuations recorded through revenues until the date of settlement. We record revenues and invoice customers at the time of shipment based on then-current LME prices, which results in an embedded derivative on our provisionally priced concentrate and cathode sales that is adjusted to fair value through earnings each period, using the period-end forward prices, until final pricing on the date of settlement. To the extent final prices are higher or lower than what was recorded on a provisional basis, an increase or decrease to revenues is recorded each reporting period until the date of final pricing. Accordingly, in times of rising copper prices, our
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revenues benefit from adjustments to the final pricing of provisionally priced sales pursuant to contracts entered into in prior periods; in times of falling copper prices, the opposite occurs.

Following are the favorable (unfavorable) impacts of net adjustments to the prior years’ provisionally priced copper sales for the years ended December 31 (in millions, except per share amounts):
 2021 2020 
Revenues$169 $(102)
Net income attributable to common stock$65 $(42)
Net income per share attributable to common stock$0.04 $(0.03)

At December 31, 2021, we had provisionally priced copper sales at our copper mining operations totaling 397 million pounds of copper (net of intercompany sales and noncontrolling interests) recorded at an average price of $4.42 per pound, subject to final pricing over the next several months. We estimate that each $0.05 change in the price realized from the December 31, 2021, provisional price recorded would have an approximate $12 million effect on 2022 net income attributable to common stock. The LME copper settlement price closed at $4.36 per pound on January 31, 2022.

Foreign Currency Exchange Risk
The functional currency for most of our operations is the U.S. dollar. Substantially all of our revenues and a significant portion of our costs are denominated in U.S. dollars; however, some costs and certain asset and liability accounts are denominated in local currencies, including the Indonesia rupiah, Australian dollar, Peruvian sol, Chilean peso and euro. We recognized foreign currency translation gains on balances denominated in foreign currencies totaling $66 million in 2021 and $34 million in 2020. Generally, our operating results are positively affected when the U.S. dollar strengthens in relation to those foreign currencies and are adversely affected when the U.S. dollar weakens in relation to those foreign currencies.

Following is a summary of estimated annual payments and the impact of changes in foreign currency rates on our annual operating costs:
Exchange Rate per $1
at December 31,
Estimated Annual Payments
10% Change in
Exchange Rate
(in millions of U.S. dollars)a
 20212020(in local currency)
(in millions of U.S. dollars)b
IncreaseDecrease
Indonesia      
Rupiah14,198 14,034 14.2 trillion$1,000 $(91)$111 
Australian dollar1.37 1.30 244 million$178 $(16)$20 
South America  
Peruvian sol4.00 3.62 2.9 billion$735 $(67)$82 
Chilean peso845 711 193 billion$228 $(21)$25 
Atlantic Copper  
Euro0.88 0.82 172 million$195 $(18)$22 
a.Reflects the estimated impact on annual operating costs assuming a 10 percent increase or decrease in the exchange rate reported at December 31, 2021.
b.Based on exchange rates at December 31, 2021.

Interest Rate Risk
At December 31, 2021, we had total debt maturities based on principal amounts of $9.5 billion, of which approximately 9 percent was variable-rate debt with interest rates primarily based on the London Interbank Offered Rate. The table below presents average interest rates for our scheduled maturities of principal for our outstanding debt and the related fair values at December 31, 2021 (in millions, except percentages):
 20222023202420252026ThereafterFair Value
Fixed-rate debt$$997 $735 $$$6,971 $9,819 
Average interest rate— %3.9 %4.5 %— %— %5.0 %4.9 %
Variable-rate debt$368 $— $— $133 $310 $— $811 
Average interest rate1.8 %— %— %2.2 %2.2 %— %2.0 %

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NEW ACCOUNTING STANDARDS

We did not adopt any new accounting standards in 2021.

NET DEBT

Net debt, which we define as consolidated debt less consolidated cash and cash equivalents, is intended to provide investors with information related to the performance-based payout framework in our financial policy, which requires achievement of a net debt target in the range of $3 billion to $4 billion (excluding project debt for additional smelting capacity in Indonesia). This information differs from consolidated debt determined in accordance with U.S. GAAP and should not be considered in isolation or as a substitute for consolidated debt determined in accordance with U.S. GAAP. Our net debt follows, which may not be comparable to similarly titled measures reported by other companies (in millions):
December 31, 2021December 31, 2020
Current portion of debt$372 $34 
Long-term debt, less current portion9,078 9,677 
Consolidated debt9,450 
a
9,711 
Less: consolidated cash and cash equivalents8,068 3,657 
Net debt$1,382 $6,054 
a.Includes $432 million, net of debt issuance costs, for the PT-FI term loan (refer to Note 8).

PRODUCT REVENUES AND PRODUCTION COSTS

Mining Product Revenues and Unit Net Cash Costs
Unit net cash costs per pound of copper and molybdenum are measures intended to provide investors with information about the cash-generating capacity of our mining operations expressed on a basis relating to the primary metal product for the respective operations. We use this measure for the same purpose and for monitoring operating performance by our mining operations. This information differs from measures of performance determined in accordance with U.S. GAAP and should not be considered in isolation or as a substitute for measures of performance determined in accordance with U.S. GAAP. These measures are presented by other metals mining companies, although our measures may not be comparable to similarly titled measures reported by other companies.

We present gross profit per pound of copper in the following tables using both a “by-product” method and a “co-product” method. We use the by-product method in our presentation of gross profit per pound of copper because (i) the majority of our revenues are copper revenues, (ii) we mine ore, which contains copper, gold, molybdenum and other metals, (iii) it is not possible to specifically assign all of our costs to revenues from the copper, gold, molybdenum and other metals we produce, (iv) it is the method used to compare mining operations in certain industry publications and (v) it is the method used by our management and the Board to monitor operations and to compare mining operations in certain industry publications. In the co-product method presentations, shared costs are allocated to the different products based on their relative revenue values, which will vary to the extent our metals sales volumes and realized prices change.

We show revenue adjustments for prior period open sales as separate line items. Because these adjustments do not result from current period sales, these amounts have been reflected separately from revenues on current period sales. Noncash and other costs, which are removed from site production and delivery costs in the calculation of unit net cash costs, consist of items such as stock-based compensation costs, long-lived asset impairments, idle facility costs, restructuring and/or unusual charges. As discussed above, gold, molybdenum and other metal revenues at copper mines are reflected as credits against site production and delivery costs in the by-product method. The following schedules are presentations under both the by-product and co-product methods together with reconciliations to amounts reported in our consolidated financial statements.




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North America Copper Mines Product Revenues, Production Costs and Unit Net Cash Costs
Year Ended December 31, 2021  
(In millions)By-ProductCo-Product Method
MethodCopper
Molybdenuma
Otherb
Total
Revenues, excluding adjustments$6,174 

$6,174 $481 $120 $6,775 
Site production and delivery, before net noncash
    and other costs shown below
3,051 2,820 278 75 3,173 
By-product credits(479)— — — — 
Treatment charges 135 130 — 135 
Net cash costs 2,707 2,950 278 80 3,308 
DD&A368 340 21 368 
Metals inventory adjustments13 13 — — 13 
Noncash and other costs, net105 
c
102 105 
Total costs 3,193 3,405 300 89 3,794 
Other revenue adjustments, primarily for pricing
    on prior period open sales
— — 
Gross profit$2,988 $2,776 $181 $31 $2,988 
     
Copper sales (millions of recoverable pounds)1,436 1,436 
Molybdenum sales (millions of recoverable pounds)a
34 
Gross profit per pound of copper/molybdenum:
Revenues, excluding adjustments$4.30 $4.30 $14.14 
Site production and delivery, before net noncash
    and other costs shown below
2.13 1.96 8.17 
By-product credits(0.33)— — 
Treatment charges0.09 0.09 — 
Unit net cash costs1.89 2.05 8.17 
DD&A0.25 0.24 0.62 
Metals inventory adjustments0.01 0.01 — 
Noncash and other costs, net0.07 
c
0.07 0.03 
Total unit costs2.22 2.37 8.82 
Other revenue adjustments, primarily for pricing
    on prior period open sales
— — — 
Gross profit per pound$2.08 $1.93 $5.32 
Reconciliation to Amounts Reported
  Metals
  ProductionInventory
Revenuesand DeliveryDD&AAdjustments
Totals presented above$6,775 $3,173 $368 $13 
Treatment charges(24)111 — — 
Noncash and other costs, net— 105 — — 
Other revenue adjustments, primarily for pricing
    on prior period open sales
— — — 
Eliminations and other67 72 — 
North America copper mines6,825 3,461 369 13 
Other miningd
22,229 14,395 1,562 
Corporate, other & eliminations(6,209)(5,840)67 
As reported in our consolidated financial statements$22,845 $12,016 $1,998 $16 
a.Reflects sales of molybdenum produced by certain of the North America copper mines to our molybdenum sales company at market-based pricing.
b.Includes gold and silver product revenues and production costs.
c.Includes credits totaling $27 million ($0.02 per pound of copper) associated with refunds of Arizona transaction privilege taxes related to purchased electricity.
d.Represents the combined total for our other mining operations as presented in Note 16.



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North America Copper Mines Product Revenues, Production Costs and Unit Net Cash Costs
Year Ended December 31, 2020  
(In millions)By-ProductCo-Product Method
MethodCopper 
Molybdenuma
Otherb
Total
Revenues, excluding adjustments$4,005 
c
$4,005 $281 $83 $4,369 
Site production and delivery, before net noncash
    and other costs shown below
2,700 2,529 223 44 2,796 
By-product credits(268)— — — — 
Treatment charges 139 136 — 139 
Net cash costs 2,571 2,665 223 47 2,935 
DD&A355 330 18 355 
Metals inventory adjustments52 49 — 52 
Noncash and other costs, net138 
d
133 138 
Total costs 3,116 3,177 244 59 3,480 
Other revenue adjustments, primarily for pricing
    on prior period open sales
(22)(22)— — (22)
Gross profit$867 $806 $37 $24 $867 
Copper sales (millions of recoverable pounds)1,420 1,420 
Molybdenum sales (millions of recoverable pounds)a
33 
Gross profit per pound of copper/molybdenum:
Revenues, excluding adjustments$2.82 
c
$2.82 $8.62 
Site production and delivery, before net noncash
    and other costs shown below
1.90 1.78 6.84 
By-product credits(0.19)— — 
Treatment charges0.10 0.10 — 
Unit net cash costs1.81 1.88 6.84 
DD&A0.25 0.23 0.56 
Metals inventory adjustments0.03 0.03 — 
Noncash and other costs, net0.10 
d
0.10 0.09 
Total unit costs2.19 2.24 7.49 
Other revenue adjustments, primarily for pricing
    on prior period open sales
(0.02)(0.02)— 
Gross profit per pound$0.61 $0.56 $1.13 
Reconciliation to Amounts Reported      
   Metals
  Production Inventory
Revenuesand Delivery DD&AAdjustments
Totals presented above$4,369 $2,796 $355 $52 
Treatment charges(15)124 — — 
Noncash and other costs, net— 138 — — 
Other revenue adjustments, primarily for pricing
    on prior period open sales
(22)—  — — 
Eliminations and other32 42 — — 
North America copper mines4,364 3,100  355 52 
Other mininge
13,642 10,595 1,103 16 
Corporate, other & eliminations(3,808)(3,664)70 28 
As reported in our consolidated financial statements$14,198 $10,031 $1,528 $96 
a.Reflects sales of molybdenum produced by certain of the North America copper mines to our molybdenum sales company at market-based pricing.
b.Includes gold and silver product revenues and production costs.
c.Includes reductions to revenues and average realized prices totaling $24 million ($0.02 per pound of copper) related to forward sales contracts covering 150 million pounds of copper sales for May and June 2020 at a fixed price of $2.34 per pound.
d.Includes charges totaling $32 million ($0.02 per pound of copper) primarily associated with the April 2020 revised operating plans (including employee separation costs) and the COVID-19 pandemic (including health and safety costs).
e.Represents the combined total for our other mining operations as presented in Note 16.




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South America Mining Product Revenues, Production Costs and Unit Net Cash Costs
Year Ended December 31, 2021    
(In millions)By-ProductCo-Product Method
MethodCopper
Othera
Total
Revenues, excluding adjustments$4,585 $4,585 $383 $4,968 
Site production and delivery, before net noncash
    and other costs shown below
2,349 
b
2,175 219 2,394 
By-product credits(338)— — — 
Treatment charges140 140 — 140 
Royalty on metals10 10 
Net cash costs2,161 2,324 220 2,544 
DD&A413 379 34 413 
Noncash and other costs, net38 
c
36 38 
Total costs2,612 2,739 256 2,995 
Other revenue adjustments, primarily for pricing
    on prior period open sales
99 99 — 99 
Gross profit $2,072 $1,945 $127 $2,072 
Copper sales (millions of recoverable pounds)1,055 1,055 
Gross profit per pound of copper:
Revenues, excluding adjustments$4.34 $4.34 
Site production and delivery, before net noncash
    and other costs shown below
2.23 
b
2.06 
By-product credits(0.32)— 
Treatment charges0.13 0.13 
Royalty on metals0.01 0.01 
Unit net cash costs2.05 2.20 
DD&A0.39 0.37 
Noncash and other costs, net0.03 
c
0.03 
Total unit costs2.47 2.60 
Other revenue adjustments, primarily for pricing
    on prior period open sales
0.09 0.09 
Gross profit per pound$1.96 $1.83 
Reconciliation to Amounts Reported   
  
  Production
Revenuesand DeliveryDD&A
Totals presented above$4,968 $2,394 $413 
Treatment charges(140)— — 
Royalty on metals(10)— — 
Noncash and other costs, net— 38 — 
Other revenue adjustments, primarily for pricing
    on prior period open sales
99 — — 
Eliminations and other(1)(3)— 
South America mining4,916 2,429 413 
Other miningd
24,138 15,427 1,518 
Corporate, other & eliminations(6,209)(5,840)67 
As reported in our consolidated financial statements$22,845 $12,016 $1,998 
a.Includes silver sales of 3.7 million ounces ($24.73 per ounce average realized price). Also reflects sales of molybdenum produced by Cerro Verde to our molybdenum sales company at market-based pricing.
b.Includes nonrecurring charges totaling $92 million ($0.09 per pound of copper) associated with labor-related charges at Cerro Verde for collective labor agreements reached with its hourly employees.
c.Includes credits totaling $26 million ($0.03 per pound) associated with favorable adjustments to prior-years’ profit sharing at Cerro Verde.
d.Represents the combined total for our other mining operations as presented in Note 16.


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South America Mining Product Revenues, Production Costs and Unit Net Cash Costs
Year Ended December 31, 2020     
(In millions)By-ProductCo-Product Method
MethodCopper 
Othera
Total
Revenues, excluding adjustments$2,976 $2,976 $209 $3,185 
Site production and delivery, before net noncash
    and other costs shown below
1,816 

1,701 158 1,859 
By-product credits(166)— — — 
Treatment charges152 152 — 152 
Royalty on metals— 
Net cash costs1,808 1,859 158 2,017 
DD&A421 391 30 421 
Metals inventory adjustments— 
Noncash and other costs, net122 
b
115 122 
Total costs2,354 2,368 195 2,563 
Other revenue adjustments, primarily for pricing
    on prior period open sales
(70)(70)— (70)
Gross profit$552 $538 $14 $552 
Copper sales (millions of recoverable pounds)976 976 
Gross profit per pound of copper:
Revenues, excluding adjustments$3.05 $3.05 
Site production and delivery, before net noncash
    and other costs shown below
1.86 

1.74 
By-product credits(0.17)— 
Treatment charges0.15 0.15 
Royalty on metals0.01 0.01 
Unit net cash costs1.85 1.90 
DD&A0.43 0.41 
Metals inventory adjustments— — 
Noncash and other costs, net0.13 
b
0.12 
Total unit costs2.41 2.43 
Other revenue adjustments, primarily for pricing
    on prior period open sales
(0.07)(0.07)
Gross profit per pound$0.57 $0.55 
Reconciliation to Amounts Reported     
   Metals
  Production Inventory
Revenuesand Delivery DD&AAdjustments
Totals presented above$3,185 $1,859 $421 $
Treatment charges(152)— — — 
Royalty on metals(6)— — — 
Noncash and other costs, net— 122  — — 
Other revenue adjustments, primarily for pricing
    on prior period open sales
(70)—  — — 
Eliminations and other(2)(3)— — 
South America mining2,955 1,978  421 
Other miningc
15,051 11,717 1,037 65 
Corporate, other & eliminations(3,808)(3,664)70 28 
As reported in our consolidated financial statements$14,198 $10,031 $1,528 $96 
a.Includes silver sales of 3.4 million ounces ($21.86 per ounce average realized price). Also reflects sales of molybdenum produced by Cerro Verde to our molybdenum sales company at market-based pricing.
b.Includes charges totaling $91 million ($0.09 per pound of copper) primarily associated with idle facility (Cerro Verde) and contract cancellation costs related to the COVID-19 pandemic, and employee separation costs associated with the April 2020 revised operating plans.
c.Represents the combined total for our other mining operations as presented in Note 16.


104

Indonesia Mining Product Revenues, Production Costs and Unit Net Cash Costs
Year Ended December 31, 2021  
(In millions)By-ProductCo-Product Method
MethodCopperGold
Silvera
Total
Revenues, excluding adjustments$5,715 $5,715 $2,423 $143 $8,281 
Site production and delivery, before net noncash
    and other costs shown below
1,953 1,348 572 33 1,953 
Gold and silver credits(2,562)— — — — 
Treatment charges320 221 93 320 
Export duties218 150 64 218 
Royalty on metals319 223 90 319 
Net cash costs248 1,942 819 49 2,810 
DD&A1,049 724 307 18 1,049 
Noncash and other costs, net355 
b
245 104 355 
Total costs1,652 2,911 1,230 73 4,214 
Other revenue adjustments, primarily for pricing
    on prior period open sales
72 72 (4)— 68 
PT Smelting intercompany loss(86)(60)(25)(1)(86)
Gross profit $4,049 $2,816 $1,164 $69 $4,049 
Copper sales (millions of recoverable pounds)1,316 1,316 
Gold sales (thousands of recoverable ounces)1,349 
Gross profit per pound of copper/per ounce of gold:
Revenues, excluding adjustments$4.34 $4.34 $1,796 
Site production and delivery, before net noncash
    and other costs shown below
1.49 1.03 424 
Gold and silver credits(1.95)— — 
Treatment charges0.24 0.17 69 
Export duties0.17 0.11 47 
Royalty on metals0.24 0.17 67 
Unit net cash costs0.19 1.48 607 
DD&A0.80 0.55 228 
Noncash and other costs, net0.27 
b
0.18 77 
Total unit costs1.26 2.21 912 
Other revenue adjustments, primarily for pricing
    on prior period open sales
0.05 0.05 (3)
PT Smelting intercompany loss(0.07)(0.05)(19)
Gross profit per pound/ounce$3.06 $2.13 $862 
Reconciliation to Amounts Reported    
   
  Production 
Revenuesand DeliveryDD&A 
Totals presented above$8,281 $1,953 $1,049  
Treatment charges(320)— —  
Export duties(218)— — 
Royalty on metals(319)— —  
Noncash and other costs, net31 386 —  
Other revenue adjustments, primarily for pricing
    on prior period open sales
68 — —  
PT Smelting intercompany loss— 86 — 
Indonesia mining7,523 2,425 1,049  
Other miningc
21,531 15,431 882  
Corporate, other & eliminations(6,209)(5,840)67  
As reported in our consolidated financial statements$22,845 $12,016 $1,998  
a.Includes silver sales of 5.9 million ounces ($24.30 per ounce average realized price).
b.Includes charges totaling $340 million ($0.26 per pound of copper) associated with an ARO adjustment. Also, includes credits of $31 million ($0.02 per pound of copper) associated with adjustments to prior-year treatment charges and charges of $16 million ($0.01 per pound of copper) associated with a potential settlement of an administrative fine levied by the Indonesia government.
c.Represents the combined total for our other mining operations as presented in Note 16.
105

Indonesia Mining Product Revenues, Production Costs and Unit Net Cash Costs
Year Ended December 31, 2020  
(In millions)By-ProductCo-Product Method
MethodCopper Gold
Silvera
Total
Revenues, excluding adjustments$2,475 $2,475 $1,545 $81 $4,101 
Site production and delivery, before net noncash
    and other costs shown below
1,508 910 568 30 1,508 
Gold and silver credits(1,630)— — — — 
Treatment charges219 132 83 219 
Export duties93 56 35 93 
Royalty on metals153 90 60 153 
Net cash costs343 1,188 746 39 1,973 
DD&A580 350 219 11 580 
Noncash and other costs, net93 
b
56 35 93 
Total costs1,016 1,594 1,000 52 2,646 
Other revenue adjustments, primarily for pricing
    on prior period open sales
(20)(20)— (16)
PT Smelting intercompany loss(11)(7)(4)— (11)
Gross profit $1,428 $854 $545 $29 $1,428 
Copper sales (millions of recoverable pounds)804 804 
Gold sales (thousands of recoverable ounces)842 
Gross profit per pound of copper/per ounce of gold:
Revenues, excluding adjustments$3.08 $3.08 $1,832 
Site production and delivery, before net noncash
    and other costs shown below
1.88 1.13 674 
Gold and silver credits(2.03)— — 
Treatment charges0.27 0.17 98 
Export duties0.12 0.07 41 
Royalty on metals0.19 0.11 72 
Unit net cash costs0.43 1.48 885 
DD&A0.72 0.43 259 
Noncash and other costs, net0.11 
b
0.07 41 
Total unit costs1.26 1.98 1,185 
Other revenue adjustments, primarily for pricing
    on prior period open sales
(0.03)(0.03)
PT Smelting intercompany loss(0.01)(0.01)(5)
Gross profit per pound/ounce$1.78 $1.06 $647 
Reconciliation to Amounts Reported     
    
  Production  
Revenuesand Delivery DD&A 
Totals presented above$4,101 $1,508 $580  
Treatment charges(219)— —  
Export duties(93)— — 
Royalty on metals(153)— —  
Noncash and other costs, net(6)87 —  
Other revenue adjustments, primarily for pricing
    on prior period open sales
(16)— —  
PT Smelting intercompany loss— 11 — 
Indonesia mining3,614 1,606  580  
Other miningc
14,392 12,089 878  
Corporate, other & eliminations(3,808)(3,664)70  
As reported in our consolidated financial statements$14,198 $10,031 $1,528  
a.Includes silver sales of 3.6 million ounces ($22.40 per ounce average realized price).
b.Includes COVID-19 related costs (including one-time incremental employee benefits and health and safety costs) of $14 million ($0.02 per pound of copper).
c.Represents the combined total for our other mining operations as presented in Note 16.
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Molybdenum Mines Product Revenues, Production Costs and Unit Net Cash Costs
 Years Ended December 31,
(In millions)20212020
Revenues, excluding adjustmentsa
$470 $243  
Site production and delivery, before net noncash
    and other costs shown below
243 211  
Treatment charges and other26 21  
Net cash costs269 232  
DD&A67 57  
Metals inventory adjustments10 
Noncash and other costs, net10 19 
b
Total costs347 318  
Gross profit (loss)$123 $(75) 
Molybdenum sales (millions of recoverable pounds)a
30 24 
Gross profit (loss) per pound of molybdenum:
Revenues, excluding adjustmentsa
$15.52 $9.94 
Site production and delivery, before net noncash
    and other costs shown below
8.02 8.65 
Treatment charges and other0.85 0.85 
Unit net cash costs8.87 9.50 
DD&A2.22 2.34 
Metals inventory adjustments0.03 0.42 
Noncash and other costs, net0.33 0.75 
b
Total unit costs11.45 13.01 
Gross profit (loss) per pound$4.07 $(3.07)
Reconciliation to Amounts Reported
  Metals 
 Production Inventory 
Year Ended December 31, 2021Revenuesand Delivery DD&AAdjustments 
Totals presented above$470 $243 $67 $
Treatment charges and other(26)— — — 
Noncash and other costs, net— 10 — — 
Molybdenum mines444 253 67 
Other miningc
28,610 17,603 1,864 13 
Corporate, other & eliminations(6,209)(5,840)67 
As reported in our consolidated financial statements$22,845 $12,016 $1,998 $16 
Year Ended December 31, 2020     
Totals presented above$243 $211 $57 $10 
Treatment charges and other(21)— — — 
Noncash and other costs, net— 19 — —  
Molybdenum mines222 230  57 10  
Other miningc
17,784 13,465 1,401 58 
Corporate, other & eliminations(3,808)(3,664)70 28 
As reported in our consolidated financial statements$14,198 $10,031 $1,528 $96 
a.Reflects sales of the Molybdenum mines’ production to the molybdenum sales company at market-based pricing. On a consolidated basis, realizations are based on the actual contract terms for sales to third parties; as a result, our consolidated average realized price per pound of molybdenum will differ from the amounts reported in this table.
b.Includes charges totaling $7 million ($0.29 per pound of molybdenum) primarily associated with contract cancellation costs related to the COVID-19 pandemic and employee separation costs associated with April 2020 revised operating plans.
c.Represents the combined total for our other mining operations as presented in Note 16. Also includes amounts associated with the molybdenum sales company, which includes sales of molybdenum produced by the Molybdenum mines and by certain of the North America and South America copper mines.

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CAUTIONARY STATEMENT

Our discussion and analysis contains forward-looking statements in which we discuss our potential future performance. Forward-looking statements are all statements other than statements of historical facts, such as plans, projections, or expectations relating to business outlook, strategy, goals or targets; ore grades and milling rates; production and sales volumes; unit net cash costs; capital expenditures; operating costs; operating plans; cash flows; liquidity; PT-FI’s financing, construction and completion of additional domestic smelting capacity in Indonesia in accordance with the terms of its special mining license (IUPK); our commitments to deliver responsibly produced copper, including plans to implement and validate all of our operating sites under the Copper Mark and to comply with other disclosure frameworks; execution of our energy and climate strategies and the underlying assumptions and estimated impacts on our business related thereto; achievement of climate commitments and net zero aspirations; improvements in operating procedures and technology innovations; exploration efforts and results; development and production activities, rates and costs; future organic growth opportunities; tax rates; export quotas and duties; impact of copper, gold and molybdenum price changes; the impact of deferred intercompany profits on earnings; mineral reserve and mineral resource estimates; final resolution of settlements associated with ongoing legal proceedings; and the ongoing implementation of our financial policy and future returns to shareholders, including dividend payments (base or variable) and share repurchases. The words “anticipates,” “may,” “can,” “plans,” “believes,” “estimates,” “expects,” “projects,” "targets,” “intends,” “likely,” “will,” “should,” “could,” “to be,” ”potential,” “assumptions,” “guidance,” “aspirations,” “future” and any similar expressions are intended to identify those assertions as forward-looking statements. The declaration and payment of dividends (base or variable) and timing and amount of any share repurchases is at the discretion of our Board and management, respectively, and is subject to a number of factors, including maintaining our net debt target, capital availability, our financial results, cash requirements, business prospects, global economic conditions, changes in laws, contractual restrictions and other factors deemed relevant by our Board or management, as applicable. Our share repurchase program may be modified, increased, suspended or terminated at any time at the Board’s discretion.

We caution readers that forward-looking statements are not guarantees of future performance and actual results may differ materially from those anticipated, expected, projected or assumed in the forward-looking statements. Important factors that can cause our actual results to differ materially from those anticipated in the forward-looking statements include, but are not limited to, supply of and demand for, and prices of the commodities we produce, primarily copper; changes in our cash requirements, financial position, financing or investment plans; changes in general market, economic, tax, regulatory or industry conditions; reductions in liquidity and access to capital; the ongoing COVID-19 pandemic and any future public health crisis; political and social risks; operational risks inherent in mining, with higher inherent risks in underground mining; fluctuations in price and availability of commodities purchased; constraints on supply, logistics and transportation services; mine sequencing; changes in mine plans or operational modifications, delays, deferrals or cancellations; production rates; timing of shipments; results of technical, economic or feasibility studies; potential inventory adjustments; potential impairment of long-lived mining assets; the potential effects of violence in Indonesia generally and in the province of Papua; the Indonesia government’s extension of PT-FI’s export license after March 15, 2022; satisfaction of requirements in accordance with PT-FI’s IUPK to extend mining rights from 2031 through 2041; the Indonesia government’s approval of a deferred schedule for completion of additional domestic smelting capacity in Indonesia; cybersecurity incidents; labor relations, including labor-related work stoppages and costs; compliance with applicable environmental, health and safety laws and regulations; weather- and climate-related risks; environmental risks and litigation results; our ability to comply with our responsible production commitments under specific frameworks and any changes to such frameworks and other factors described in more detail in Item 1A. “Risk Factors” contained in Part I of our annual report on Form 10-K for the year ended December 31, 2021.

Investors are cautioned that many of the assumptions upon which our forward-looking statements are based are likely to change after the date the forward-looking statements are made, including for example commodity prices, which we cannot control, and production volumes and costs or technological solutions and innovation, some aspects of which we may not be able to control. Further, we may make changes to our business plans that could affect our results. We caution investors that we undertake no obligation to update any forward-looking statements, which speak only as of the date made, notwithstanding any changes in our assumptions, changes in business plans, actual experience or other changes.

Our annual report on Form 10-K for the year ended December 31, 2021 also includes forward-looking statements regarding mineral resources not included in proven and probable mineral reserves. A mineral resource, which includes measured, indicated and inferred mineral resources, is a concentration or occurrence of material of economic interest in or on the Earth’s crust in such form, grade or quality, and quantity that there are reasonable prospects for economic extraction. Such a deposit cannot qualify as recoverable proven and probable mineral reserves until legal and economic feasibility are confirmed based upon a comprehensive evaluation of development and operating costs, grades, recoveries and other material factors. Accordingly, no assurance can be given that the estimated mineral resources will become proven and probable mineral reserves.

Our annual report on Form 10-K for the year ended December 31, 2021, also contains financial measures such as net debt and unit net cash costs per pound of copper and molybdenum, which are not recognized under U.S. GAAP. Refer to “Operations - Unit Net Cash Costs” for further discussion of unit net cash costs associated with our operating divisions, and to “Product Revenues and Production Costs” for reconciliations of per pound costs by operating division to production and delivery costs applicable to sales reported in our consolidated financial statements. Refer to “Net Debt” for reconciliations of consolidated debt and consolidated cash and cash equivalents to net debt.
108

Item 8. Financial Statements and Supplementary Data.

MANAGEMENT’S REPORT ON INTERNAL CONTROL OVER FINANCIAL REPORTING

Freeport-McMoRan Inc.’s (the Company’s) management is responsible for establishing and maintaining adequate internal control over financial reporting. Internal control over financial reporting is defined in Rule 13a-15(f) or 15d-15(f) under the Securities Exchange Act of 1934 as a process designed by, or under the supervision of, the Company’s principal executive and principal financial officers and effected by the Company’s Board of Directors, management and other personnel, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles and includes those policies and procedures that:

Pertain to the maintenance of records that in reasonable detail accurately and fairly reflect the transactions and dispositions of the Company’s assets;

Provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with generally accepted accounting principles, and that receipts and expenditures of the Company are being made only in accordance with authorizations of management and directors of the Company; and

Provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use or disposition of the Company’s assets that could have a material effect on the financial statements.

Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.

Our management, including our principal executive officer and principal financial officer, assessed the effectiveness of our internal control over financial reporting as of the end of the fiscal year covered by this annual report on Form 10-K. In making this assessment, our management used the criteria set forth in Internal Control-Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission (2013 framework) (the COSO criteria). Based on its assessment, management concluded that, as of December 31, 2021, our Company’s internal control over financial reporting is effective based on the COSO criteria.

Ernst & Young LLP, an independent registered public accounting firm, who audited the Company’s consolidated financial statements included in this Form 10-K, has issued an attestation report on the Company’s internal control over financial reporting, which is included herein.

/s/ Richard C. Adkerson /s/ Kathleen L. Quirk
Richard C. Adkerson Kathleen L. Quirk
Chairman of the Board and  President and Chief Financial Officer
Chief Executive Officer 
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REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

To the Board of Directors and Stockholders of
Freeport-McMoRan Inc.
Opinion on Internal Control over Financial Reporting

We have audited Freeport-McMoRan Inc.’s internal control over financial reporting as of December 31, 2021, based on criteria established in Internal Control-Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission (2013 framework) (the COSO criteria). In our opinion, Freeport-McMoRan Inc. (the Company) maintained, in all material respects, effective internal control over financial reporting as of December 31, 2021, based on the COSO criteria.
    
We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (PCAOB), the consolidated balance sheets of Freeport-McMoRan Inc. as of December 31, 2021 and 2020, the related consolidated statements of operations, comprehensive income (loss), equity and cash flows for each of the three years in the period ended December 31, 2021, and the related notes and our report dated February 15, 2022 expressed an unqualified opinion thereon.

Basis for Opinion

The Company’s management is responsible for maintaining effective internal control over financial reporting and for its assessment of the effectiveness of internal control over financial reporting included in the accompanying Management’s Report on Internal Control Over Financial Reporting. Our responsibility is to express an opinion on the Company’s internal control over financial reporting based on our audit. We are a public accounting firm registered with the PCAOB and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audit in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether effective internal control over financial reporting was maintained in all material respects.

Our audit included obtaining an understanding of internal control over financial reporting, assessing the risk that a material weakness exists, testing and evaluating the design and operating effectiveness of internal control based on the assessed risk, and performing such other procedures as we considered necessary in the circumstances. We believe that our audit provides a reasonable basis for our opinion.

Definition and Limitations of Internal Control Over Financial Reporting

A company’s internal control over financial reporting is a process designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles. A company’s internal control over financial reporting includes those policies and procedures that (1) pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the transactions and dispositions of the assets of the company; (2) provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with generally accepted accounting principles, and that receipts and expenditures of the company are being made only in accordance with authorizations of management and directors of the company; and (3) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use, or disposition of the company’s assets that could have a material effect on the financial statements.

Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.

/s/ Ernst & Young LLP
Phoenix, Arizona
February 15, 2022
110

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

To the Board of Directors and Stockholders of
Freeport-McMoRan Inc.

Opinion on the Financial Statements
 
We have audited the accompanying consolidated balance sheets of Freeport-McMoRan Inc. (the Company) as of December 31, 2021 and 2020, the related consolidated statements of operations, comprehensive income (loss), equity and cash flows for each of the three years in the period ended December 31, 2021, and the related notes (collectively referred to as the “consolidated financial statements”). In our opinion, the consolidated financial statements present fairly, in all material respects, the financial position of the Company at December 31, 2021 and 2020, and the results of its operations and its cash flows for each of the three years in the period ended December 31, 2021, in conformity with U.S. generally accepted accounting principles.

We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (PCAOB), the Company’s internal control over financial reporting as of December 31, 2021, based on criteria established in Internal Control-Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission (2013 framework) and our report dated February 15, 2022 expressed an unqualified opinion thereon.

Basis for Opinion

These financial statements are the responsibility of the Company's management. Our responsibility is to express an opinion on the Company’s financial statements based on our audits. We are a public accounting firm registered with the PCAOB and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audits in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement, whether due to error or fraud. Our audits included performing procedures to assess the risks of material misstatement of the financial statements, whether due to error or fraud, and performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures in the financial statements. Our audits also included evaluating the accounting principles used and significant estimates made by management, as well as evaluating the overall presentation of the financial statements. We believe that our audits provide a reasonable basis for our opinion.

Critical Audit Matters

The critical audit matters communicated below are matters arising from the current period audit of the consolidated financial statements that were communicated or required to be communicated to the audit committee and that: (1) relate to accounts or disclosures that are material to the consolidated financial statements and (2) involved our especially challenging, subjective, or complex judgments. The communication of critical audit matters does not alter in any way our opinion on the consolidated financial statements, taken as a whole, and we are not, by communicating the critical audit matters below, providing separate opinions on the critical audit matters or on the accounts or disclosures to which they relate.

Uncertain tax positions
Description of the Matter
As discussed in Note 11 to the consolidated financial statements, the Company operates in the United States and multiple international tax jurisdictions, and its income tax returns are subject to examination by tax authorities in those jurisdictions who may challenge any tax position on these returns. Uncertainty in a tax position may arise because tax laws are subject to interpretation. The Company uses significant judgment to (1) determine whether, based on the technical merits, a tax position is more likely than not to be sustained and (2) measure the amount of tax benefit that qualifies for recognition.
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Auditing management’s estimate of the amount of tax benefit that qualifies for recognition involved auditor judgment because management’s estimate is complex, requires a high degree of judgment and is based on interpretations of tax laws and legal rulings.
How We Addressed the Matter in Our Audit
We obtained an understanding, evaluated the design and tested the operating effectiveness of controls over the Company’s accounting process for uncertain tax positions. This included testing controls over management’s review of the technical merits of tax positions and disputed tax assessments, including the process to measure the financial statement impact of these tax matters.
Our audit procedures included, among others, evaluating the Company’s accounting for these tax positions by using our knowledge of and experience with the application of respective tax laws by the relevant tax authorities, or our understanding of the contractual arrangements with the applicable government, if the position is governed by a contract. We analyzed the Company’s assumptions and data used to determine the tax assessments and tested the accuracy of the calculations. We involved our tax professionals located in the respective jurisdictions to assess the technical merits of the Company’s tax positions and to evaluate the application of relevant tax laws in the Company’s recognition determination. We assessed the Company’s correspondence with the relevant tax authorities and evaluated third-party tax or legal opinions obtained by the Company. We also evaluated the adequacy of the Company’s disclosures included in Note 12 in relation to these tax matters.
Environmental obligations
Description of the Matter
As discussed in Note 12 to the consolidated financial statements, the Company is subject to national, state and local environmental laws and regulations governing the protection of the environment, including restoration and reclamation of environmental contamination. Liabilities for environmental contingencies are recorded when it is probable that a liability has been incurred and the amount can be reasonably estimated. At December 31, 2021, the Company’s consolidated environmental obligations totaled $1.7 billion.
Auditing management’s accounting for environmental obligations was challenging, as significant judgment is required by the Company to evaluate whether an environmental loss has been incurred and to estimate the future costs to remediate the environmental matters. The significant judgment was primarily due to the inherent estimation uncertainty relating to the amount of future costs. Such uncertainties involve assumptions regarding the nature and extent of contamination at each site, the nature and extent of required cleanup efforts under existing environmental regulations, the duration and effectiveness of the chosen remedial strategy, and allocation of costs among other potentially responsible parties. Actual costs incurred in future periods could differ from amounts estimated.
How We Addressed the Matter in Our Audit
We obtained an understanding, evaluated the design and tested the operating effectiveness of controls over the Company’s identification and measurement of the environmental loss contingencies. For example, we tested controls over management’s review of the environmental loss contingency calculations and management’s assessment to evaluate key judgments and estimates affecting the environmental loss contingencies.
To test the Company’s identification and measurement of the environmental loss contingencies, among other procedures, we inspected correspondence with regulatory agencies, obtained external legal counsel confirmation letters, and inspected environmental studies. Additionally, we assessed the appropriateness of the Company’s models and tested the significant assumptions discussed above along with the underlying data used by the Company in its analyses. We utilized our environmental professionals to search for new or contrary evidence related to the Company’s sites and to assist in evaluating the reasonableness of estimated future costs by comparing the estimated future costs to environmental permits, third party observable data such as vendor quotes, and to historical costs incurred for similar activities.
/s/ Ernst & Young LLP

We have served as the Company’s auditor since 2002.
Phoenix, Arizona
February 15, 2022
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Freeport-McMoRan Inc.
CONSOLIDATED STATEMENTS OF OPERATIONS
 Years Ended December 31,
 202120202019
 (In millions, except per share amounts)
Revenues$22,845 $14,198 $14,402 
Cost of sales:   
Production and delivery12,016 10,031 11,534 
Depreciation, depletion and amortization1,998 1,528 1,412 
Metals inventory adjustments16 96 179 
Total cost of sales14,030 11,655 13,125 
Selling, general and administrative expenses383 370 394 
Mining exploration and research expenses55 50 104 
Environmental obligations and shutdown costs91 159 105 
Net gain on sales of assets(80)(473)(417)
Total costs and expenses14,479 11,761 13,311 
Operating income 8,366 2,437 1,091 
Interest expense, net(602)(598)(620)
Net loss on early extinguishment of debt— (101)(27)
Other (expense) income, net(105)59 (138)
Income from continuing operations before income taxes and equity in affiliated companies’ net earnings
7,659 1,797 306 
Provision for income taxes(2,299)(944)(510)
Equity in affiliated companies’ net earnings12 12 
Net income (loss) from continuing operations5,365 865 (192)
Net gain from discontinued operations— — 
Net income (loss)5,365 865 (189)
Net income attributable to noncontrolling interests(1,059)(266)(50)
Net income (loss) attributable to common stockholders$4,306 $599 $(239)
Basic net income (loss) per share attributable to common stockholders:   
Continuing operations$2.93 $0.41 $(0.17)
Discontinued operations— — — 
$2.93 $0.41 $(0.17)
Diluted net income (loss) per share attributable to common stockholders:   
Continuing operations$2.90 $0.41 $(0.17)
Discontinued operations— — — 
$2.90 $0.41 $(0.17)
Weighted-average common shares outstanding:   
Basic1,466 1,453 1,451 
Diluted1,482 1,461 1,451 
Dividends declared per share of common stock$0.375 $— $0.20 

The accompanying Notes to Consolidated Financial Statements are an integral part of these consolidated financial statements.

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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)
Years Ended December 31,
202120202019
(In millions)
Net income (loss)$5,365 $865 $(189)
Other comprehensive income (loss), net of taxes:
Defined benefit plans:
Actuarial gains (losses) arising during the period, net of taxes179 46 (116)
Amortization or curtailment of unrecognized amounts included in net periodic benefit costs
18 45 47 
Foreign exchange (losses) gains (1)(1)
Other comprehensive income (loss)196 90 (68)
Total comprehensive income (loss)5,561 955 (257)
Total comprehensive income attributable to noncontrolling interests
(1,060)(263)(53)
Total comprehensive income (loss) attributable to common stockholders$4,501 $692 $(310)

The accompanying Notes to Consolidated Financial Statements are an integral part of these consolidated financial statements.


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CONSOLIDATED STATEMENTS OF CASH FLOWS
 Years Ended December 31,
 202120202019
 (In millions)
Cash flow from operating activities:   
Net income (loss)$5,365 $865 $(189)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:   
Depreciation, depletion and amortization1,998 1,528 1,412 
Metals inventory adjustments16 96 179 
Net gain on sales of assets(80)(473)(417)
Stock-based compensation98 99 63 
Net charges for environmental and asset retirement obligations, including accretion540 181 221 
Payments for environmental and asset retirement obligations(273)(216)(244)
Charge for talc-related litigation— 130 — 
Net charges for defined pension and postretirement plans65 108 
Pension plan contributions(109)(121)(75)
Net loss on early extinguishment of debt— 101 27 
Deferred income taxes(171)181 29 
Charges for Cerro Verde royalty dispute11 32 65 
Payments for Cerro Verde royalty dispute(421)(139)(187)
Other, net(18)23 141 
Changes in working capital and other:   
Accounts receivable(472)132 119 
Inventories(618)42 259 
Other current assets(101)(27)60 
Accounts payable and accrued liabilities495 115 (60)
Accrued income taxes and timing of other tax payments1,451 403 (29)
Net cash provided by operating activities7,715 3,017 1,482 
Cash flow from investing activities:   
Capital expenditures:   
North America copper mines(342)(428)(877)
South America(162)(183)(256)
Indonesia mining(1,296)(1,161)(1,369)
Indonesia smelter development(222)(105)— 
Molybdenum mines(6)(19)(19)
Other(87)(65)(131)
Proceeds from sales of assets247 704 561 
Loans to PT Smelting for expansion(36)— — 
Acquisition of minority interest in PT Smelting(33)— — 
Other, net(27)(7)(12)
Net cash used in investing activities(1,964)(1,264)(2,103)
Cash flow from financing activities:   
Proceeds from debt1,201 3,531 1,879 
Repayments of debt(1,461)(3,724)(3,197)
Cash dividends and distributions paid:   
Common stock(331)(73)(291)
Noncontrolling interests(583)— (82)
Treasury stock purchases(488)— — 
Contributions from noncontrolling interests182 156 165 
Proceeds from exercised stock options210 51 
Payments for withholding of employee taxes related to stock-based awards(29)(17)(8)
Debt financing costs and other, net(41)(52)(24)
Net cash used in financing activities(1,340)(128)(1,556)
Net increase (decrease) in cash, cash equivalents, restricted cash and restricted cash equivalents 4,411 1,625 (2,177)
Cash, cash equivalents, restricted cash and restricted cash equivalents at beginning of year3,903 2,278 4,455 
Cash, cash equivalents, restricted cash and restricted cash equivalents at end of year$8,314 $3,903 $2,278 
The accompanying Notes to Consolidated Financial Statements are an integral part of these consolidated financial statements.
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CONSOLIDATED BALANCE SHEETS
 December 31,
 20212020
 (In millions, except par value)
ASSETS  
Current assets:  
Cash and cash equivalents$8,068 $3,657 
Trade accounts receivable1,168 892 
Income and other tax receivables574 520 
Inventories:  
Materials and supplies, net1,669 1,594 
Mill and leach stockpiles1,170 1,014 
Product1,658 1,285 
Other current assets523 341 
Total current assets14,830 9,303 
Property, plant, equipment and mine development costs, net 30,345 29,818 
Long-term mill and leach stockpiles1,387 1,463 
Other assets1,460 1,560 
Total assets$48,022 $42,144 
LIABILITIES AND EQUITY  
Current liabilities:  
Accounts payable and accrued liabilities$3,495 $2,708 
Accrued income taxes1,541 324 
Current portion of debt372 34 
Current portion of environmental and asset retirement obligations264 351 
Dividends payable220 — 
Total current liabilities5,892 3,417 
Long-term debt, less current portion9,078 9,677 
Deferred income taxes4,234 4,408 
Environmental and asset retirement obligations, less current portion4,116 3,705 
Other liabilities1,683 2,269 
Total liabilities25,003 23,476 
Equity:  
Stockholders’ equity:  
Common stock, par value $0.10, 1,603 shares and 1,590 shares issued, respectively
160 159 
Capital in excess of par value25,875 26,037 
Accumulated deficit(7,375)(11,681)
Accumulated other comprehensive loss(388)(583)
Common stock held in treasury - 146 shares and 132 shares, respectively, at cost
(4,292)(3,758)
Total stockholders’ equity13,980 10,174 
Noncontrolling interests9,039 8,494 
Total equity23,019 18,668 
Total liabilities and equity$48,022 $42,144 
The accompanying Notes to Consolidated Financial Statements are an integral part of these consolidated financial statements.
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CONSOLIDATED STATEMENTS OF EQUITY
 Stockholders’ Equity
Common Stock Accumulated DeficitAccumu-
lated
Other Compre-hensive
Loss
Common Stock
Held in Treasury
Total
Stock-
holders’
Equity
Number
of
Shares
At Par
Value
Capital in
Excess of
Par Value
Number
of
Shares
At
Cost
Non-
controlling
Interests
Total
Equity
 (In millions)
Balance at January 1, 20191,579 $158 $26,013 $(12,041)$(605)130 $(3,727)$9,798 $8,094 $17,892 
Exercised and issued stock-based awards— — — — — — 
Stock-based compensation, including the tender of shares— — 50 — — (7)43 44 
Dividends— — (291)— — — — (291)(73)(364)
Changes in noncontrolling interests— — (1)— — — — (1)(11)(12)
Contributions from noncontrolling interests— — 80 — — — — 80 86 166 
Adjustment for deferred taxes— — (22)— — — — (22)— (22)
Net loss attributable to common stockholders— — — (239)— — — (239)— (239)
Net income attributable to noncontrolling interests— — — — — — — — 50 50 
Other comprehensive (loss) income— — — — (71)— — (71)(68)
Balance at December 31, 20191,582 158 25,830 (12,280)(676)131 (3,734)9,298 8,150 17,448 
Exercised and issued stock-based awards57 — — — — 58 — 58 
Stock-based compensation, including the tender of shares
— — 74 — — (24)50 — 50 
Changes in noncontrolling interests— — — — — — — — 
Contributions from noncontrolling interests— — 76 — — — — 76 80 156 
Net income attributable to common stockholders— — — 599 — — — 599 — 599 
Net income attributable to noncontrolling interests
— — — — — — — — 266 266 
Other comprehensive income (loss)— — — — 93 — — 93 (3)90 
Balance at December 31, 20201,590 159 26,037 (11,681)(583)132 (3,758)10,174 8,494 18,668 
Exercised and issued stock-based awards13 225 — — — — 226 — 226 
Stock-based compensation, including the tender of shares
— — 75 — — (46)29 (5)24 
Treasury stock purchases— — — — — 13 (488)(488)— (488)
Dividends— — (551)— — — — (551)(603)(1,154)
Contributions from noncontrolling interests— — 89 — — — — 89 93 182 
Net income attributable to common stockholders— — — 4,306 — — — 4,306 — 4,306 
Net income attributable to noncontrolling interests
— — — — — — — — 1,059 1,059 
Other comprehensive income— — — — 195 — — 195 196 
Balance at December 31, 20211,603 $160 $25,875 $(7,375)$(388)146 $(4,292)$13,980 $9,039 $23,019 
The accompanying Notes to Consolidated Financial Statements are an integral part of these consolidated financial statements.

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

NOTE 1.  SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Basis of Presentation.  The consolidated financial statements of Freeport-McMoRan Inc. (FCX) include the accounts of those subsidiaries where it directly or indirectly has more than 50 percent of the voting rights and/or has control over the subsidiary. As of December 31, 2021, the most significant entities that FCX consolidates include its 48.76 percent-owned subsidiary PT Freeport Indonesia (PT-FI), and the following wholly owned subsidiaries: Freeport Minerals Corporation (FMC) and Atlantic Copper, S.L.U. (Atlantic Copper). Refer to Note 3 for further discussion, including FCX’s conclusion to consolidate PT-FI.

FMC’s unincorporated joint venture at Morenci is reflected using the proportionate consolidation method (refer to Note 3 for further discussion). Investments in unconsolidated companies owned 20 percent or more are recorded using the equity method. Investments in unconsolidated companies owned less than 20 percent, and for which FCX does not exercise significant influence, are recorded at (i) fair value for those that have a readily determinable fair value or (ii) cost, less any impairment, for those that do not have a readily determinable fair value. All significant intercompany transactions have been eliminated. Dollar amounts in tables are stated in millions, except per share amounts.

Business Segments.  FCX has organized its mining operations into four primary divisions - North America copper mines, South America mining, Indonesia mining and Molybdenum mines, and operating segments that meet certain thresholds are reportable segments. FCX’s reportable segments include the Morenci, Cerro Verde and Grasberg (Indonesia mining) copper mines, the Rod & Refining operations and Atlantic Copper Smelting & Refining. Refer to Note 16 for further discussion.

Use of Estimates.  The preparation of FCX’s financial statements in conformity with accounting principles generally accepted in the United States (U.S.) requires management to make estimates and assumptions that affect the amounts reported in these financial statements and accompanying notes. The more significant areas requiring the use of management estimates include minerals reserve estimation; asset lives for depreciation, depletion and amortization; environmental obligations; asset retirement obligations; estimates of recoverable copper in mill and leach stockpiles; deferred taxes and valuation allowances; reserves for contingencies and litigation; asset acquisitions and impairment, including estimates used to derive future cash flows associated with those assets; pension benefits; and valuation of derivative instruments. Actual results could differ from those estimates.

Functional Currency. The functional currency for the majority of FCX’s foreign operations is the U.S. dollar. For foreign subsidiaries whose functional currency is the U.S. dollar, monetary assets and liabilities denominated in the local currency are translated at current exchange rates, and non-monetary assets and liabilities, such as inventories, property, plant, equipment and mine development costs, are translated at historical rates. Gains and losses resulting from translation of such account balances are included in other (expense) income, net, as are gains and losses from foreign currency transactions. Foreign currency gains totaled $66 million in 2021, $34 million in 2020 and $24 million in 2019.

Cash Equivalents.  Highly liquid investments purchased with maturities of three months or less are considered cash equivalents.

Restricted Cash and Restricted Cash Equivalents. FCX’s restricted cash and restricted cash equivalents are primarily related to PT-FI’s commitment for the development of a greenfield smelter in Indonesia; and guarantees and commitments for certain mine closure and reclamation obligations. Restricted cash and restricted cash equivalents are classified as a current or long-term asset based on the timing and nature of when or how the cash is expected to be used or when the restrictions are expected to lapse. Restricted cash and restricted cash equivalents are comprised of bank deposits and money market funds.


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Inventories.  Inventories include materials and supplies, mill and leach stockpiles, and product inventories. Inventories are stated at the lower of weighted-average cost or net realizable value (NRV).

Mill and Leach Stockpiles. Mill and leach stockpiles are work-in-process inventories for FCX’s mining operations. Mill and leach stockpiles contain ore that has been extracted from an ore body and is available for metal recovery. Mill stockpiles contain sulfide ores, and recovery of metal is through milling, concentrating and smelting and refining or, alternatively, by concentrate leaching. Leach stockpiles contain oxide ores and certain secondary sulfide ores and recovery of metal is through exposure to acidic solutions that dissolve contained copper and deliver it in solution to extraction processing facilities (i.e., solution extraction and electrowinning (SX/EW)). The recorded cost of mill and leach stockpiles includes mining and haulage costs incurred to deliver ore to stockpiles, depreciation, depletion, amortization and site overhead costs. Material is removed from the stockpiles at a weighted-average cost per pound.

Because it is impracticable to determine copper contained in mill and leach stockpiles by physical count, reasonable estimation methods are employed. The quantity of material delivered to mill and leach stockpiles is based on surveyed volumes of mined material and daily production records. Sampling and assaying of blasthole cuttings determine the estimated copper grade of the material delivered to mill and leach stockpiles.

Expected copper recoveries for mill stockpiles are determined by metallurgical testing. The recoverable copper in mill stockpiles, once entered into the production process, can be produced into copper concentrate almost immediately.

Expected copper recoveries for leach stockpiles are determined using small-scale laboratory tests, small- to large-scale column testing (which simulates the production process), historical trends and other factors, including mineralogy of the ore and rock type. Total copper recovery in leach stockpiles can vary significantly from a low percentage to more than 90 percent depending on several variables, including processing methodology, processing variables, mineralogy and particle size of the rock. For newly placed material on active stockpiles, as much as 80 percent of the total copper recovery may occur during the first year, and the remaining copper may be recovered over many years.

Process rates and copper recoveries for mill and leach stockpiles are monitored regularly, and recovery estimates are adjusted periodically as additional information becomes available and as related technology changes. Recovery adjustments will typically result in a future impact to the value of the material removed from the stockpiles at a revised weighted-average cost per pound of recoverable copper.

Product. Product inventories include raw materials, work-in-process and finished goods. Corporate general and administrative costs are not included in inventory costs.

Raw materials are primarily unprocessed concentrate at Atlantic Copper’s smelting and refining operations.

Work-in-process inventories are primarily copper concentrate at various stages of conversion into anode and cathode at Atlantic Copper’s operations. Atlantic Copper’s in-process inventories are valued at the weighted-average cost of the material fed to the smelting and refining process plus in-process conversion costs.

Finished goods for mining operations represent salable products (e.g., copper and molybdenum concentrate, copper anode, copper cathode, copper rod, molybdenum oxide, and high-purity molybdenum chemicals and other metallurgical products). Finished goods are valued based on the weighted-average cost of source material plus applicable conversion costs relating to associated process facilities. Costs of finished goods and work-in-process (i.e., not raw materials) inventories include labor and benefits, supplies, energy, depreciation, depletion, amortization, site overhead costs and other necessary costs associated with the extraction and processing of ore, such as mining, milling, smelting, leaching, SX/EW, refining, roasting and chemical processing.


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Property, Plant, Equipment and Mine Development Costs.  Property, plant, equipment and mine development costs are carried at cost. Mineral exploration costs, as well as drilling and other costs incurred for the purpose of converting mineral resources to proven and probable mineral reserves or identifying new mineral resources at development or production stage properties, are charged to expense as incurred. Development costs are capitalized beginning after proven and probable mineral reserves have been established. Development costs include costs incurred resulting from mine pre-production activities undertaken to gain access to proven and probable mineral reserves, including shafts, adits, drifts, ramps, permanent excavations, infrastructure and removal of overburden. For underground mines certain costs related to panel development, such as undercutting and drawpoint development, are also capitalized as mine development costs until production reaches sustained design capacity for the mine. After reaching design capacity, the mine transitions to the production phase and panel development costs are allocated to inventory and then included as a component of cost of goods sold. Additionally, interest expense allocable to the cost of developing mining properties and to constructing new facilities is capitalized until assets are ready for their intended use.

Expenditures for replacements and improvements are capitalized. Costs related to periodic scheduled maintenance (i.e., turnarounds) are charged to expense as incurred. Depreciation for mining and milling life-of-mine assets, infrastructure and other common costs is determined using the unit-of-production (UOP) method based on total estimated recoverable proven and probable copper reserves (for primary copper mines) and proven and probable molybdenum reserves (for primary molybdenum mines). Development costs and acquisition costs for proven and probable mineral reserves that relate to a specific ore body are depreciated using the UOP method based on estimated recoverable proven and probable mineral reserves for the ore body benefited. Depreciation, depletion and amortization using the UOP method is recorded upon extraction of the recoverable copper or molybdenum from the ore body or production of finished goods (as applicable), at which time it is allocated to inventory cost and then included as a component of cost of goods sold. Other assets are depreciated on a straight-line basis over estimated useful lives for the related assets of up to 50 years for buildings and 3 to 50 years for machinery and equipment, and mobile equipment.

Included in property, plant, equipment and mine development costs is value beyond proven and probable mineral reserves (VBPP), primarily resulting from FCX’s acquisition of FMC in 2007. The concept of VBPP may be interpreted differently by different mining companies. FCX’s VBPP is attributable to (i) measured and indicated mineral resources, that FCX believes could be brought into production with the establishment or modification of required permits and should market conditions and technical assessments warrant, (ii) inferred mineral resources and (iii) exploration potential.

Carrying amounts assigned to VBPP are not charged to expense until the VBPP becomes associated with additional proven and probable mineral reserves and the reserves are produced or the VBPP is determined to be impaired. Additions to proven and probable mineral reserves for properties with VBPP will carry with them the value assigned to VBPP at the date acquired, less any impairment amounts. Refer to Note 5 for further discussion.

Impairment of Long-Lived Mining Assets.  FCX assesses the carrying values of its long-lived mining assets for impairment when events or changes in circumstances indicate that the related carrying amounts of such assets may not be recoverable. In evaluating long-lived mining assets for recoverability, estimates of pre-tax undiscounted future cash flows of FCX’s individual mines are used. An impairment is considered to exist if total estimated undiscounted future cash flows are less than the carrying amount of the asset. Once it is determined that an impairment exists, an impairment loss is measured as the amount by which the asset carrying value exceeds its fair value. The estimated undiscounted cash flows used to assess recoverability of long-lived assets and to measure the fair value of FCX’s mining operations are derived from current business plans, which are developed using near-term price forecasts reflective of the current price environment and management’s projections for long-term average metal prices. In addition to near- and long-term metal price assumptions, other key assumptions include estimates of commodity-based and other input costs; proven and probable mineral reserves estimates, including the timing and cost to develop and produce the reserves; VBPP estimates; and the use of appropriate discount rates in the measurement of fair value. FCX believes its estimates and models used to determine fair value are similar to what a market participant would use. As quoted market prices are unavailable for FCX’s individual mining operations, fair value is determined through the use of after-tax discounted estimated future cash flows (i.e., Level 3 measurement).


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Deferred Mining Costs.  Stripping costs (i.e., the costs of removing overburden and waste material to access mineral deposits) incurred during the production phase of an open-pit mine are considered variable production costs and are included as a component of inventory produced during the period in which stripping costs are incurred. Major development expenditures, including stripping costs to prepare unique and identifiable areas outside the current mining area for future production that are considered to be pre-production mine development, are capitalized and amortized using the UOP method based on estimated recoverable proven and probable mineral reserves for the ore body benefited. However, where a second or subsequent pit or major expansion is considered to be a continuation of existing mining activities, stripping costs are accounted for as a current production cost and a component of the associated inventory.

Environmental Obligations. Environmental expenditures are charged to expense or capitalized, depending upon their future economic benefits. Accruals for such expenditures are recorded when it is probable that obligations have been incurred and the costs can be reasonably estimated. Environmental obligations attributed to the Comprehensive Environmental Response, Compensation, and Liability Act of 1980 (CERCLA) or analogous state programs are considered probable when a claim is asserted, or is probable of assertion, and FCX, or any of its subsidiaries, have been associated with the site. Other environmental remediation obligations are considered probable based on specific facts and circumstances. FCX’s estimates of these costs are based on an evaluation of various factors, including currently available facts, existing technology, presently enacted laws and regulations, remediation experience, whether or not FCX is a potentially responsible party (PRP) and the ability of other PRPs to pay their allocated portions. With the exception of those obligations assumed in the acquisition of FMC that were initially recorded at estimated fair values (refer to Note 12 for further discussion), environmental obligations are recorded on an undiscounted basis. Where the available information is sufficient to estimate the amount of the obligation, that estimate has been used. Where the information is only sufficient to establish a range of probable liability and no point within the range is more likely than any other, the lower end of the range has been used. Possible recoveries of some of these costs from other parties are not recognized in the consolidated financial statements until they become probable. Legal costs associated with environmental remediation (such as fees to third-party legal firms for work relating to determining the extent and type of remedial actions and the allocation of costs among PRPs) are included as part of the estimated obligation.

Environmental obligations assumed in the acquisition of FMC, which were initially recorded at fair value and estimated on a discounted basis, are accreted to full value over time through charges to interest expense. Adjustments arising from changes in amounts and timing of estimated costs and settlements may result in increases and decreases in these obligations and are calculated in the same manner as they were initially estimated. Unless these adjustments qualify for capitalization, changes in environmental obligations are charged to operating income when they occur.

FCX performs a comprehensive review of its environmental obligations annually and also reviews changes in facts and circumstances associated with these obligations at least quarterly.

Asset Retirement Obligations.  FCX records the fair value of estimated asset retirement obligations (AROs) associated with tangible long-lived assets in the period incurred. AROs associated with long-lived assets are those for which there is a legal obligation to settle under existing or enacted law, statute, written or oral contract or by legal construction. These obligations, which are initially estimated based on discounted cash flow estimates, are accreted to full value over time through charges to cost of sales. In addition, asset retirement costs (ARCs) are capitalized as part of the related asset’s carrying value and are depreciated over the asset’s useful life.

For mining operations, reclamation costs for disturbances are recognized as an ARO and as a related ARC in the period of the disturbance and depreciated primarily on a UOP basis. FCX’s AROs for mining operations consist primarily of costs associated with mine reclamation and closure activities. These activities, which are site specific, generally include costs for earthwork, revegetation, water treatment and demolition.

For non-operating properties without reserves, changes to the ARO are recorded in earnings.

At least annually, FCX reviews its ARO estimates for changes in the projected timing of certain reclamation and closure/restoration costs, changes in cost estimates and additional AROs incurred during the period. Refer to Note 12 for further discussion.

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Revenue Recognition.  FCX recognizes revenue for its products upon transfer of control in an amount that reflects the consideration it expects to receive in exchange for those products. Transfer of control is in accordance with the terms of customer contracts, which is generally upon shipment or delivery of the product. While payment terms vary by contract, terms generally include payment to be made within 30 days, but not longer than 60 days. Certain of FCX’s concentrate and cathode sales contracts also provide for provisional pricing, which is accounted for as an embedded derivative (refer to Note 14 for further discussion). For provisionally priced sales, 90 percent to 100 percent of the provisional invoice amount is collected upon shipment or within 20 days, and final balances are settled in a contractually specified future month (generally one to four months from the shipment date) based on quoted monthly average copper settlement prices on the London Metal Exchange (LME) or the Commodity Exchange Inc. (COMEX), and quoted monthly average London Bullion Market Association (London) PM gold prices.

FCX’s product revenues are also recorded net of treatment charges, royalties and export duties. Moreover, because a portion of the metals contained in copper concentrate is unrecoverable as a result of the smelting process, FCX’s revenues from concentrate sales are also recorded net of allowances based on the quantity and value of these unrecoverable metals. These allowances are a negotiated term of FCX’s contracts and vary by customer. Treatment and refining charges represent payments or price adjustments to smelters and refiners that are generally fixed. Refer to Note 16 for a summary of revenue by product type.

Gold sales are priced according to individual contract terms, generally the average London PM gold price for a specified month near the month of shipment.

The majority of FCX’s molybdenum sales are priced based on the average published Metals Week price, plus conversion premiums for products that undergo additional processing, such as ferromolybdenum and molybdenum chemical products, for the month prior to the month of shipment.

Stock-Based Compensation. Compensation costs for share-based payments to employees are measured at fair value and charged to expense over the requisite service period for awards that are expected to vest. The fair value of stock options is determined using the Black-Scholes-Merton option valuation model. The fair value for stock-settled restricted stock units (RSUs) is based on FCX’s stock price on the date of grant. Shares of common stock are issued at the vesting date for stock-settled RSUs. The fair value of performance share units (PSUs) are determined using FCX’s stock price and a Monte-Carlo simulation model. The fair value for liability-classified awards (i.e., cash-settled RSUs) is remeasured each reporting period using FCX’s stock price. FCX has elected to recognize compensation costs for stock option awards that vest over several years on a straight-line basis over the vesting period, and for RSUs on the graded-vesting method over the vesting period. Refer to Note 10 for further discussion.

Earnings Per Share.  FCX calculates its basic net income (loss) per share of common stock under the two-class method and calculates its diluted net income (loss) per share of common stock using the more dilutive of the two-class method or the treasury-stock method. Basic net income (loss) per share of common stock was computed by dividing net income (loss) attributable to common stockholders (after deducting accumulated dividends and undistributed earnings to participating securities) by the weighted-average shares of common stock outstanding during the year. Diluted net income (loss) per share of common stock was calculated by including the basic weighted-average shares of common stock outstanding adjusted for the effects of all potential dilutive shares of common stock, unless their effect would be anti-dilutive.

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Reconciliations of net income (loss) and weighted-average shares of common stock outstanding for purposes of calculating basic and diluted net income (loss) per share for the years ended December 31 follow:
 202120202019 
Net income (loss) from continuing operations$5,365 $865 $(192)
Net income from continuing operations attributable to noncontrolling interests
(1,059)(266)(50)
Accumulated dividends and undistributed earnings allocated to participating securities
(7)(3)(3)
Net income (loss) from continuing operations attributable to common stockholders4,299 596 (245)
Net income from discontinued operations— — 
Net income (loss) attributable to common stockholders$4,299 $596 $(242)
Basic weighted-average shares of common stock outstanding (millions)
1,466 1,453 1,451 
Add shares issuable upon exercise or vesting of dilutive stock options and RSUs (millions)
16 

— 
a
Diluted weighted-average shares of common stock outstanding (millions)
1,482 1,461 1,451 
Basic net income (loss) per share attributable to common stockholders:
Continuing operations$2.93 $0.41 $(0.17)
Discontinued operations— — — 
$2.93 $0.41 $(0.17)
Diluted net income (loss) per share attributable to common stockholders:
Continuing operations$2.90 $0.41 $(0.17)
Discontinued operations— — — 
$2.90 $0.41 $(0.17)
a.Excludes approximately 11 million shares of common stock in 2019 associated with outstanding stock options with exercise prices less than the average market price of FCX’s common stock and RSUs that were anti-dilutive.

Outstanding stock options with exercise prices greater than the average market price of FCX’s common stock during the year are excluded from the computation of diluted net income (loss) per share of common stock. Stock options for 5 million shares of common stock in 2021, 31 million shares in 2020 and 42 million shares in 2019 were excluded.

Global Intangible Low-Taxed Income (GILTI). FCX has elected to treat taxes due on future U.S. inclusions in taxable income related to GILTI as a current period expense when incurred.

Reclassifications. For comparative purposes, certain prior year amounts have been reclassified to other, net on FCX’s consolidated statements of cash flows to conform with the current year presentation. Additionally, FCX has revised prior year amounts related to activities associated with its reserve for unrecognized tax benefits in conjunction with uncertain tax positions. See Note 11 for further detail.

Subsequent Events. FCX evaluated events after December 31, 2021, and through the date the financial statements were issued, and determined any events or transactions occurring during this period that would require recognition or disclosure are appropriately addressed in these financial statements.

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NOTE 2. ACQUISITIONS AND DISPOSITIONS
Cobalt Business. In September 2021, FCX’s 56-percent-owned subsidiary, Koboltti Chemicals Holdings Limited (KCHL), completed the sale of its remaining cobalt business based in Kokkola, Finland (Freeport Cobalt) to Jervois Global Limited (Jervois) for $208 million (before post-closing adjustments), consisting of cash consideration of $173 million and 7 percent of Jervois common stock (valued at $35 million at the time of closing). At closing, Freeport Cobalt’s assets included cash of approximately $20 million and other net assets of $125 million. FCX recorded a gain of $60 million ($34 million to net income attributable to common stock) in 2021 associated with this transaction. In addition, KCHL will have the right to receive contingent consideration of up to $40 million based on the future performance of Freeport Cobalt. Any gain related to the contingent consideration will be recognized when received.

In fourth-quarter 2019, FCX completed the sale of its cobalt refinery in Kokkola, Finland, and related cobalt cathode precursor business (consisting of approximately $271 million of assets and $63 million of liabilities at the time of closing) to Umicore for total cash consideration of approximately $200 million, including approximately $50 million of working capital. FCX recorded a gain of $59 million in 2019 ($33 million to net loss attributable to common stock) associated with this transaction.

Following these transactions, FCX no longer has cobalt operations.

PT Smelting. On April 30, 2021, PT-FI acquired 14.5 percent of the outstanding common stock of PT Smelting, a smelter and refinery in Gresik, Indonesia, for $33 million, increasing its ownership interest from 25.0 percent to 39.5 percent. The remaining outstanding shares of PT Smelting continue to be owned by Mitsubishi Materials Corporation. PT-FI has continued to account for its investment in PT Smelting using the equity method since it does not have control over PT Smelting.

On November 30, 2021, PT-FI entered into a convertible loan agreement to fund the expansion of PT Smelting’s current capacity by 30 percent to 1.3 million metric tons of concentrate per year. Upon completion of the expansion project, targeted for year-end 2023, PT-FI’s loan will convert into PT Smelting equity resulting in a majority ownership interest and consolidation of PT Smelting in FCX’s consolidated financial statements.

Kisanfu Transaction. In December 2020, FCX completed the sale of its interests in the Kisanfu undeveloped project to a wholly owned subsidiary of China Molybdenum Co., Ltd. (CMOC) for $550 million, with after-tax net cash proceeds totaling $415 million. The Kisanfu project, located in the Democratic Republic of Congo, is an undeveloped cobalt and copper resource. FCX did not have any proven and probable mineral reserves associated with the Kisanfu project. FCX recorded a gain of $486 million in 2020 associated with this transaction.

Timok Transaction. In 2016, FCX sold an interest in the upper zone of the Timok exploration project in Serbia (the 2016 Transaction).

In December 2019, FCX completed the sale of its interest in the lower zone of the Timok exploration project to an affiliate of the purchaser in the 2016 Transaction, for cash consideration of $240 million at closing plus the right to future contingent payments of up to $150 million. These future contingent payments will be based on the future sale of products (as defined in the agreement) from the Timok lower zone. For a period of 12 months after the third anniversary of the initial sale of products from the Timok lower zone, the purchaser can settle, or FCX can demand payment of, such deferred payment obligation, in each case, for a total of $60 million. As these deferred payments are contingent upon future production (the Timok lower zone project is still pre-operational) and would result in gain recognition, no amounts were recorded upon the closing of the transaction. Subsequent recognition will be based on the gain contingency model, in which the consideration would be recorded in the period in which all contingencies are resolved and the gain is realized. This is expected to be when FCX (i) is provided periodic product sales information by the purchaser or (ii) gives notice to the purchaser or receives notice from the purchaser regarding the settlement of the deferred payments for $60 million.

In addition, in lieu of payment upon achievement of defined development milestones provided for in the 2016 Transaction, the purchaser agreed to pay $107 million in three installment payments of $45 million (collected in 2020), $50 million (collected in 2021), and $12 million by March 31, 2022. As a result of this transaction, FCX recorded a gain of $343 million in 2019, consisting of the cash consideration ($240 million) and the aggregate discounted amount of the three installment payments ($103 million).

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TF Holdings Limited - Discontinued Operations. In 2016, FCX completed the sale of its 70 percent interest in TF Holdings Limited (TFHL) to CMOC for $2.65 billion in cash (before closing adjustments) and contingent consideration of up to $120 million in cash, consisting of $60 million if the average copper price exceeded $3.50 per pound and $60 million if the average cobalt price exceeded $20 per pound, both during the 24-month period ending December 31, 2019.

The contingent consideration was considered a derivative, and the fair value was adjusted through December 31, 2019. FCX realized and collected in January 2020 contingent consideration of $60 million because the average cobalt price exceeded $20 per pound during the 24-month period ending December 31, 2019 (no amount was realized associated with the copper price). Gains resulting from changes in the fair value of the contingent consideration derivative totaling $3 million in 2019 were included in net income from discontinued operations and primarily resulted from fluctuations in cobalt prices. In accordance with accounting guidance, FCX reported the results from TFHL as discontinued operations in the consolidated statements of operations because the disposal represented a strategic shift that had a major effect on operations.

NOTE 3.  OWNERSHIP IN SUBSIDIARIES AND JOINT VENTURE
Ownership in Subsidiaries.  FMC produces copper and molybdenum from mines in North America and South America. At December 31, 2021, FMC’s operating mines in North America were Morenci, Bagdad, Safford (including Lone Star), Sierrita and Miami located in Arizona; Tyrone and Chino located in New Mexico; and Henderson and Climax located in Colorado. FMC has a 72 percent interest in Morenci (refer to “Joint Venture - Sumitomo and SMM Morenci, Inc.”) and owns 100 percent of the other North America mines. At December 31, 2021, operating mines in South America were Cerro Verde (53.56 percent owned) located in Peru and El Abra (51 percent owned) located in Chile. At December 31, 2021, FMC’s net assets totaled $18.4 billion and its accumulated deficit totaled $12.6 billion. FCX had $111 million in loans outstanding to FMC outstanding at December 31, 2021.

FCX owns 48.76 percent of PT-FI (refer to “PT-FI Divestment”). At December 31, 2021, PT-FI’s net assets totaled $12.7 billion and its retained earnings totaled $8.4 billion. FCX had no loans to PT-FI outstanding at December 31, 2021.

FCX owns 100 percent of the outstanding Atlantic Copper (FCX’s wholly owned smelting and refining unit in Spain) common stock. At December 31, 2021, Atlantic Copper’s net assets totaled $167 million and its accumulated deficit totaled $379 million. FCX had $274 million in loans to Atlantic Copper outstanding at December 31, 2021.

PT-FI Divestment. On December 21, 2018, FCX completed the transaction with the Indonesia government regarding PT-FI’s long-term mining rights and share ownership (the 2018 transaction). Pursuant to the divestment agreement and related documents, PT Indonesia Asahan Aluminium (Persero) (PT Inalum, also known as MIND ID), an Indonesia state-owned enterprise, acquired all of Rio Tinto plc's (Rio Tinto) interests associated with its joint venture with PT-FI (the former Rio Tinto Joint Venture) and 100 percent of FCX's interests in PT Indonesia Papua Metal Dan Mineral (PTI - formerly known as PT Indocopper Investama).

In connection with the 2018 transaction, PT-FI acquired all of the common stock of PT Rio Tinto Indonesia that held the former Rio Tinto Joint Venture interest. After the transaction, PT Inalum’s (26.24 percent) and PTI’s (25.00 percent) collective share ownership of PT-FI totals 51.24 percent and FCX's share ownership totals 48.76 percent. The arrangements provide for FCX and the other pre-transaction PT-FI shareholders (i.e., PT Inalum and PTI) to retain the economics of the revenue and cost sharing arrangements under the former Rio Tinto Joint Venture. As a result, FCX’s economic interest in PT-FI is expected to approximate 81 percent through 2022 and 48.67 percent thereafter (see further discussion below).

FCX, PT-FI, PTI and PT Inalum entered into a shareholders agreement (the PT-FI Shareholders Agreement), which includes provisions related to the governance and management of PT-FI. FCX considered the terms of the PT-FI Shareholders Agreement and related governance structure, including whether PT Inalum has substantive participating rights, and concluded that it has retained control and would continue to consolidate PT-FI in its financial statements following the 2018 transaction. Among other terms, the governance arrangements under the PT-FI Shareholders Agreement transfers control over the management of PT-FI’s mining operations to an operating committee, which is controlled by FCX. Additionally, as discussed above, the existing PT-FI shareholders will retain the economics of the revenue and cost sharing arrangements under the former Rio Tinto Joint Venture, so that FCX’s economic interest in the project through 2041 will not be significantly affected by the transaction. FCX believes its conclusion to continue to consolidate PT-FI in its financial statements is in accordance with the U.S. Securities and Exchange Commission (SEC) Regulation S-X, Rule 3A-02 (a), which provides for situations in which
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consolidation of an entity, notwithstanding the lack of majority ownership, is necessary to present fairly the financial position and results of operations of the registrant, because of the existence of a parent-subsidiary relationship by means other than record ownership of voting stock.

Attribution of PT-FI Net Income or Loss. FCX has concluded that the attribution of PT-FI’s net income or loss from December 21, 2018 (the date of the divestment transaction), through December 31, 2022 (the Initial Period), should be based on the economics replacement agreement, as previously discussed. The economics replacement agreement entitles FCX to approximately 81 percent of PT-FI dividends paid during the Initial Period, with the remaining 19 percent paid to the noncontrolling interests. PT-FI paid dividends totaling $1.3 billion during 2021, of which $1.0 billion was paid to FCX. No other dividends have been paid by PT-FI during the Initial Period. PT-FI’s net income for 2021 totaled $2.4 billion, of which $2.0 billion was attributed to FCX, and $765 million for 2020, of which $621 million was attributed to FCX. PT-FI’s net loss for 2019 totaled $203 million, of which $165 million was attributed to FCX. PT-FI’s cumulative net income from December 21, 2018, through December 31, 2021, totaled $2.9 billion, of which $2.3 billion was attributed to FCX.

The above-described attribution of PT-FI’s net income or loss applies only through the Initial Period. Beginning January 1, 2023, the attribution of PT-FI’s net income or loss will be based on equity ownership percentages (48.76 percent for FCX, 26.24 percent for PT Inalum and 25.00 percent for PTI).

For all of its other partially owned consolidated subsidiaries, FCX attributes net income or loss based on equity ownership percentages.

Joint Venture. Sumitomo and SMM Morenci, Inc. FMC owns a 72 percent undivided interest in Morenci via an unincorporated joint venture. The remaining 28 percent is owned by Sumitomo (15 percent) and SMM Morenci, Inc. (13 percent). Each partner takes in kind its share of Morenci’s production. FMC purchased 82 million pounds of Morenci’s copper cathode from Sumitomo and SMM Morenci, Inc. at market prices for $349 million during 2021. FMC had receivables from Sumitomo and SMM Morenci, Inc. totaling $20 million at December 31, 2021, and $15 million at December 31, 2020.

NOTE 4.  INVENTORIES, INCLUDING LONG-TERM MILL AND LEACH STOCKPILES
The components of inventories follow:
 December 31,
 20212020
Current inventories:
Total materials and supplies, neta
$1,669 $1,594 
Mill stockpiles$193 $205 
Leach stockpiles977 809 
Total current mill and leach stockpiles$1,170 $1,014 
Raw materials (primarily concentrate)$536 $366 
Work-in-process195 174 
Finished goods927 745 
Total product$1,658 $1,285 
Long-term inventories:
Mill stockpiles$226 $223 
Leach stockpiles1,161 1,240 
Total long-term mill and leach stockpilesb
$1,387 $1,463 
a.Materials and supplies inventory was net of obsolescence reserves totaling $36 million at December 31, 2021, and $32 million at December 31, 2020.
b.Estimated metals in stockpiles not expected to be recovered within the next 12 months.

FCX recorded NRV inventory adjustments to decrease metals inventory carrying values totaling $16 million in 2021, primarily associated with stockpiles no longer expected to be leached; $96 million in 2020, associated with lower market prices for copper ($58 million) and molybdenum ($38 million); and $179 million in 2019, associated with lower market prices for molybdenum ($84 million), cobalt ($58 million) and copper ($37 million). Refer to Note 16 for metals inventory adjustments by business segment.

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FCX's Morenci mine has experienced improved recoveries at certain of its leach stockpiles and following an analysis of column testing results, Morenci concluded it had sufficient evidence to increase its estimated recoveries for certain of its leach stockpiles effective July 1, 2021. As a result of the revised recoveries, Morenci increased its estimated recoverable copper in leach stockpiles, net to its joint venture interest, by 191 million pounds. The effect of this change in estimate reduced site production and delivery costs and increased net income by $112 million ($0.08 per share) in 2021.

NOTE 5.  PROPERTY, PLANT, EQUIPMENT AND MINE DEVELOPMENT COSTS, NET
The components of net property, plant, equipment and mine development costs follow:
 December 31,
 20212020
Proven and probable mineral reserves$7,142 $7,142 
VBPP376 376 
Mine development and other11,309 10,686 
Buildings and infrastructure9,412 9,214 
Machinery and equipment14,399 14,235 
Mobile equipment4,605 4,495 
Construction in progress2,477 1,454 
Oil and gas properties27,298 27,281 
Total77,018 74,883 
Accumulated depreciation, depletion and amortizationa
(46,673)(45,065)
Property, plant, equipment and mine development costs, net$30,345 $29,818 
a.Includes accumulated amortization for oil and gas properties of $27.3 billion at December 31, 2021 and 2020.

FCX recorded $1.6 billion for VBPP in connection with the FMC acquisition in 2007 (excluding $634 million associated with mining operations that were subsequently sold) and transferred $811 million to proven and probable mineral reserves through 2021 (none in 2021 and less than $0.1 million in 2020). Cumulative impairments of and adjustments to VBPP total $497 million, which were primarily recorded in 2008.

Capitalized interest, which primarily related to FCX’s mining operations’ capital projects, totaled $72 million in 2021, $147 million in 2020 and $149 million in 2019.

During the three-year period ended December 31, 2021, no material impairments of FCX’s long-lived mining assets were recorded.

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NOTE 6.  OTHER ASSETS
The components of other assets follow:
 December 31,
 20212020
Intangible assetsa
$412 $401 
Legally restricted fundsb
209 213 
Disputed tax assessments:c
Cerro Verde237 190 
PT-FI57 143 
Long-term receivable for taxesd
84 106 
Investments:  
Assurance bonde
132 148 
Fixed income, equity securities and other74 70 
PT Smeltingf
26 77 
Contingent consideration associated with sales of assetsg
70 96 
Loans to PT Smeltingh
36 — 
Long-term employee receivables20 19 
Other103 97 
Total other assets$1,460 $1,560 
a.Indefinite-lived intangible assets totaled $215 million at December 31, 2021 and 2020. Accumulated amortization of definite-lived intangible assets totaled $35 million at December 31, 2021, and $32 million at December 31, 2020.
b.Includes $208 million at December 31, 2021, and $212 million at December 31, 2020, held in trusts for AROs related to properties in New Mexico (refer to Note 12 for further discussion).
c.Refer to Note 12 for further discussion.
d.Includes tax overpayments and refunds not expected to be realized within the next 12 months.
e.Relates to PT-FI’s commitment for the development of a greenfield smelter in Indonesia (refer to Note 13 for further discussion).
f.PT-FI’s ownership in PT Smelting is recorded using the equity method. Amounts were reduced by unrecognized profits on sales from PT-FI to PT Smelting totaling $126 million at December 31, 2021, and $39 million at December 31, 2020. Trade accounts receivable from PT Smelting totaled $411 million at December 31, 2021, and $265 million at December 31, 2020.
g.Refer to Note 15 for further discussion.
h.Refer to Note 2 for further discussion.

NOTE 7.  ACCOUNTS PAYABLE AND ACCRUED LIABILITIES
The components of accounts payable and accrued liabilities follow:
 December 31,
 20212020
Accounts payable$2,035 $1,473 
Salaries, wages and other compensation334 312 
PT-FI contingenciesa
259 196 
Accrued interestb
203 243 
Deferred revenue191 65 
Pension, postretirement, postemployment and other employee benefitsc
190 91 
Accrued taxes, other than income taxes64 76 
Leasesd
38 38 
Litigation accruals28 86 
Other153 128 
Total accounts payable and accrued liabilities$3,495 $2,708 
a.Refer to Note 12 for further discussion.
b.Third-party interest paid, net of capitalized interest, was $640 million in 2021, $472 million in 2020 and $591 million in 2019.
c.Refer to Note 9 for long-term portion.
d.Refer to Note 13 for further discussion.
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NOTE 8.  DEBT
FCX’s debt at December 31, 2021, included additions of $9 million ($10 million at December 31, 2020) for unamortized fair value adjustments, and is net of reductions of $86 million ($85 million at December 31, 2020) for unamortized net discounts and unamortized debt issuance costs. The components of debt follow:
 December 31,
 20212020
Revolving credit facility$— $— 
Senior notes and debentures:  
Issued by FCX:
3.55% Senior Notes due 2022— 523 
3.875% Senior Notes due 2023995 994 
4.55% Senior Notes due 2024728 728 
5.00% Senior Notes due 2027594 593 
4.125% Senior Notes due 2028693 691 
4.375% Senior Notes due 2028643 642 
5.25% Senior Notes due 2029593 593 
4.25% Senior Notes due 2030593 592 
4.625% Senior Notes due 2030841 840 
5.40% Senior Notes due 2034742 742 
5.450% Senior Notes due 20431,846 1,845 
Issued by FMC:
71/8% Debentures due 2027
115 115 
9½% Senior Notes due 2031123 124 
61/8% Senior Notes due 2034
117 117 
PT-FI Term Loan432 — 
Cerro Verde Term Loan325 523 
Other 70 49 
Total debt9,450 9,711 
Less current portion of debt(372)(34)
Long-term debt$9,078 $9,677 

Revolving Credit Facility. At December 31, 2021, FCX had no borrowings outstanding and $8 million in letters of credit issued under its revolving credit facility, resulting in availability of approximately $3.5 billion, of which approximately $1.5 billion could be used for additional letters of credit. Availability under FCX’s revolving credit facility consists of $3.28 billion maturing April 2024 and $220 million maturing April 2023. For PT-FI, $500 million of FCX’s revolving credit facility is available.

FCX’s revolving credit facility contains customary affirmative covenants and representations, and also contains a number of negative covenants that, among other things, restrict, subject to certain exceptions, the ability of FCX’s subsidiaries that are not borrowers or guarantors to incur additional indebtedness (including guarantee obligations) and FCX’s or its subsidiaries’ abilities to: create liens on assets; enter into sale and leaseback transactions; engage in mergers, liquidations and dissolutions; and sell assets. FCX’s revolving credit facility also contains financial ratios governing maximum total leverage and minimum interest expense coverage. At December 31, 2021, FCX was in compliance with its revolving credit facility covenants.

In December 2021, Freeport-McMoRan Oil & Gas LLC, a 100-percent-owned subsidiary of FCX Oil & Gas LLC (FM O&G) and indirect subsidiary of FCX, was released as co-borrower from FCX’s revolving credit facility and released as guarantor from all of the indentures relating to FCX’s outstanding senior notes.

Interest on loans made under the revolving credit facility is, at the option of FCX, determined based on the adjusted London Interbank Offered rate (LIBOR) or the alternate base rate (each as defined in the revolving credit facility) plus a spread to be determined by reference to FCX’s credit ratings.

Certain of FCX’s debt agreements, including its revolving credit facility, reference LIBOR which is being phased out and replaced with alternative reference rates. FCX does not expect the transition from LIBOR and other interbank offered rates to have a material impact on its consolidated financial results.


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Senior Notes. In December 2021, FCX redeemed all of its outstanding $524 million aggregate principal amount of 3.55% Senior Notes due 2022, at a redemption price equal to 100 percent of the principal amount of the notes outstanding, plus accrued and unpaid interest.

In July 2020, FCX completed the sale of $650 million of 4.375% Senior Notes due 2028 and $850 million of 4.625% Senior Notes due 2030 for proceeds, net of underwriting fees, totaling $1.485 billion. Interest on these senior notes is payable semiannually on February 1 and August 1 of each year. FCX used $1.4 billion of the net proceeds from this offering to purchase a portion of its outstanding 3.55% Senior Notes due 2022, 3.875% Senior Notes due 2023 and 4.55% Senior Notes due 2024, and the payment of accrued and unpaid interest, premiums, fees and expenses in connection with these transactions. The remaining net proceeds from this offering were used for general corporate purposes.

In March 2020, FCX completed the sale of $700 million of 4.125% Senior Notes due 2028 and $600 million of 4.25% Senior Notes due 2030 for proceeds, net of underwriting fees, totaling $1.285 billion. Interest on these senior notes is payable semiannually on March 1 and September 1 of each year. FCX used a portion of the net proceeds from this offering to purchase a portion of its 4.00% Senior Notes due 2021 and its 3.55% Senior Notes due 2022 and the payment of accrued and unpaid interest, premiums, fees and expenses in connection with these transactions. In April 2020, FCX used the remaining net proceeds to fund the make-whole redemption of all of its remaining 4.00% Senior Notes due 2021 and the payment of accrued and unpaid interest, premiums, fees and expenses in connection with the transaction.

Listed below are the FCX senior notes, redeemed in full or purchased during the three-year period ended December 31, 2021.

Principal AmountNet AdjustmentsBook ValueRedemption/Tender ValueLoss
Year Ended December 31, 2021
FCX 3.55% Senior Notes due 2022$524 $— $524 $524 $— 
Year Ended December 31, 2020
FCX 4.00% Senior Notes due 2021$195 $(1)$194 $205 $11 
FCX 3.55% Senior Notes due 20221,356 (6)1,350 1,391 41 
FCX 3.875% Senior Notes due 2023927 (4)923 964 41 
FCX 4.55% Senior Notes due 2024120 (1)119 126 
Total$2,598 $(12)$2,586 $2,686 $100 
Year Ended December 31, 2019
FCX 3.100% Senior Notes due 2020$1,000 $(2)$998 $1,003 $
FCX 6.875% Senior Notes due 2023728 34 762 768 
FCX 4.00% Senior Notes due 2021405 (2)403 418 15 
FCX 3.55% Senior Notes due 202212 — 12 12 — 
Total$2,145 $30 $2,175 $2,201 $26 

The senior notes listed below are redeemable in whole or in part, at the option of FCX, at a make-whole redemption price prior to the dates stated below, at specified redemption prices beginning on the dates stated below, and at 100 percent of principal two years before maturity.

Debt InstrumentDate
5.00% Senior Notes due 2027September 1, 2022
4.125% Senior Notes due 2028March 1, 2023
4.375% Senior Notes due 2028August 1, 2023
5.25% Senior Notes due 2029September 1, 2024
4.25% Senior Notes due 2030March 1, 2025
4.625% Senior Notes due 2030August 1, 2025


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The senior notes listed below are redeemable in whole or in part, at the option of FCX, at a make-whole redemption price prior to the dates stated below, and beginning on the dates stated below at 100 percent of principal.
Debt InstrumentDate
3.875% Senior Notes due 2023December 15, 2022
4.55% Senior Notes due 2024August 14, 2024
5.40% Senior Notes due 2034May 14, 2034
5.450% Senior Notes due 2043September 15, 2042

FCX’s senior notes contain limitations on liens and rank equally with FCX’s other existing and future unsecured and unsubordinated indebtedness.

PT-FI Credit Facility. In July 2021, PT-FI entered into a $1.0 billion, five-year, unsecured credit facility (consisting of a $667 million term loan and a $333 million revolving credit facility) to fund project costs in connection with the PT Smelting expansion and construction of a precious metals refinery (PMR), and for PT-FI’s general corporate purposes. The term loan allows for borrowings up to $667 million within the first three years, and then amortizes in four installments, with 15 percent of the outstanding balance due in January 2025, 15 percent due in July 2025, 35 percent due in January 2026 and the remaining 35 percent due in July 2026. The $333 million revolving credit facility is available for drawings until June 2026. Amounts drawn under the credit facility bear interest at LIBOR plus a margin of 1.875% or 2.125%, as defined by the agreement.

PT-FI’s credit facility contains customary affirmative covenants and representations and also contains standard covenants that, among other things, restrict, subject to certain exceptions, the ability of PT-FI to incur additional indebtedness; create liens on assets; enter into sale and leaseback transactions; sell assets; and modify or amend the shareholders agreement or related governance structure. The credit facility also contains financial ratios governing maximum total leverage and minimum interest expense coverage and certain environmental and social compliance requirements. At December 31, 2021, PT-FI was in compliance with its credit facility covenants.

As of December 31, 2021, $443 million ($432 million net of debt issuance costs) was drawn under the PT-FI Term Loan and no amounts were drawn under the revolving credit facility.

Cerro Verde Term Loan. Repayments of the Cerro Verde Term Loan totaled $200 million in 2021, $305 million in 2020 and $200 million in 2019, with the remaining balance of $325 million due on the maturity date of June 19, 2022. Interest under the Term Loan is based on LIBOR plus a spread based on Cerro Verde’s total net debt to EBITDA ratio as defined in the agreement. The interest rate on Cerro Verde’s Term Loan was 2.00 percent at December 31, 2021.

Cerro Verde Shareholder Loans. In December 2014, Cerro Verde entered into loan agreements with three of its shareholders for borrowings up to $800 million due June 2024. No amounts were outstanding at December 31, 2021 and 2020, and availability under these agreements totals $200 million at December 31, 2021.

Maturities.  Maturities of debt instruments based on the principal amounts and terms outstanding at December 31, 2021, total $372 million in 2022, $997 million in 2023, $735 million in 2024, $137 million in 2025, $314 million in 2026 and $7.0 billion thereafter.


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NOTE 9.  OTHER LIABILITIES, INCLUDING EMPLOYEE BENEFITS
The components of other liabilities follow:
 December 31,
 20212020
Pension, postretirement, postemployment and other employment benefitsa
$845 $1,213 
Leasesb
281 190 
Provision for tax positions232 261 
Litigation accruals131 110 
Indemnification of PT Inalumb
78 42 
Cerro Verde royalty disputec
— 376 
Other116 77 
Total other liabilities$1,683 $2,269 
a.Refer to Note 7 for current portion.
b.Refer to Note 13 for further discussion.
c.Refer to Note 12 for further discussion.
Pension Plans.  Following is a discussion of FCX’s pension plans.

FMC Plans. FMC has U.S. trusteed, non-contributory pension plans covering some U.S. employees and some employees of its international subsidiaries hired before 2007. The applicable FMC plan design determines the manner in which benefits are calculated for any particular group of employees. Benefits are calculated based on final average monthly compensation and years of service or based on a fixed amount for each year of service. Non-bargained FMC employees hired after December 31, 2006, are not eligible to participate in the FMC U.S. pension plan. See below for discussion of a 2020 plan amendment.

FCX’s funding policy for these plans provides that contributions to pension trusts shall be at least equal to the minimum funding requirements of the Employee Retirement Income Security Act of 1974, as amended, for U.S. plans; or, in the case of international plans, the minimum legal requirements that may be applicable in the various countries. Additional contributions also may be made from time to time.

FCX’s primary investment objectives for the FMC plan assets held in a master trust (Master Trust) are to maintain funds sufficient to pay all benefit and expense obligations when due, minimize the volatility of the plan’s funded status to the extent practical, and to maintain prudent levels of risk consistent with the plan’s investment policy. Historically, FMC plan assets have been invested in a balanced portfolio of return-seeking assets and risk-mitigating assets, with the allocation between these portfolios dependent on the funded status of the plan. During 2021, FCX reallocated essentially all of the portfolio to risk-mitigating assets with the objective of minimizing funded-status volatility. The risk-mitigating assets are allocated among multiple fixed income managers. The current target allocation of the portfolio is long-duration credit (50 percent); long-duration U.S. government/credit (20 percent); core fixed income (16 percent); long-term U.S. Treasury Separate Trading of Registered Interest and Principal Securities (STRIPS) (13 percent); and cash equivalents (1 percent).

The expected rate of return on plan assets is evaluated at least annually, taking into consideration asset allocation, historical and expected future performance on the types of assets held in the Master Trust, and the current economic environment. Based on these factors, FCX expects the pension assets will earn an average of 3.00 percent per annum beginning January 1, 2022, which was based on the target asset allocation and long-term capital market return expectations.

For estimation purposes, FCX assumes the long-term asset mix for these plans generally will be consistent with the current mix. Changes in the asset mix could impact the amount of recorded pension costs, the funded status of the plans and the need for future cash contributions. A lower-than-expected return on assets also would decrease plan assets and increase the amount of recorded pension costs in future years. When calculating the expected return on plan assets, FCX uses the market value of assets.

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Among the assumptions used to estimate the pension benefit obligation is a discount rate used to calculate the present value of expected future benefit payments for service to date. The discount rate assumption for FCX’s U.S. plans is designed to reflect yields on high-quality, fixed-income investments for a given duration. The determination of the discount rate for these plans is based on expected future benefit payments together with the Mercer Yield Curve - Above Mean. The Mercer Yield Curve - Above Mean is constructed from the bonds in the Mercer Pension Discount Curve that have a yield higher than the regression mean yield curve. The Mercer Yield Curve - Above Mean consists of spot (i.e., zero coupon) interest rates at one-half-year increments for each of the next 30 years and is developed based on pricing and yield information for high-quality corporate bonds. Changes in the discount rate are reflected in FCX’s benefit obligation and, therefore, in future pension costs.

SERP Plan. FCX has an unfunded Supplemental Executive Retirement Plan (SERP) for its chief executive officer. The SERP provides for retirement benefits payable in the form of a joint and survivor annuity, life annuity or an equivalent lump sum. The participant has elected to receive an equivalent lump sum payment. The payment will equal a percentage of the participant’s highest average compensation for any consecutive three-year period during the five years immediately preceding the completion of 25 years of credited service. The SERP benefit will be reduced by the value of all benefits from current and former retirement plans (qualified and nonqualified) sponsored by FCX, by FM Services Company, FCX’s wholly owned subsidiary, or by any predecessor employer (including FCX’s former parent company), except for benefits produced by accounts funded exclusively by deductions from the participant’s pay.

PT-FI Plan. PT-FI has a defined benefit pension plan denominated in Indonesia rupiah covering substantially all of its Indonesia national employees. PT-FI funds the plan and invests the assets in accordance with Indonesia pension guidelines. The pension obligation was valued at an exchange rate of 14,198 rupiah to one U.S. dollar on December 31, 2021, and 14,034 rupiah to one U.S. dollar on December 31, 2020. Indonesia labor laws require that companies provide a minimum severance to employees upon employment termination based on the reason for termination and the employee’s years of service. PT-FI’s pension benefit obligation includes benefits determined in accordance with this law. PT-FI’s expected rate of return on plan assets is evaluated at least annually, taking into consideration its long-range estimated return for the plan based on the asset mix. Based on these factors, PT-FI expects its pension assets will earn an average of 7.00 percent per annum beginning January 1, 2022. The discount rate assumption for PT-FI’s plan is based on the Indonesia Government Security Yield Curve. Changes in the discount rate are reflected in PT-FI’s benefit obligation and, therefore, in future pension costs.

Plan Information. FCX uses a measurement date of December 31 for its plans. Information for qualified and non-qualified plans where the projected benefit obligations and the accumulated benefit obligations exceed the fair value of plan assets follows:
 December 31,
 20212020
Projected benefit obligation$2,476 $2,666 
Accumulated benefit obligation2,476 2,664 
Fair value of plan assets1,988 1,884 

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Information on the qualified and non-qualified FCX (FMC and SERP plans) and PT-FI plans as of December 31 follows:
FCXPT-FI
 2021202020212020
Change in benefit obligation:    
Benefit obligation at beginning of year$2,722 $2,576 $238 $217 
Service cost12 37 13 11 
Interest cost66 77 14 14 
Actuarial (gains) losses(117)308 (3)12 
Plan amendments— — (2)— 
Foreign exchange (gains) losses(1)(3)(2)
Curtailment— (154)— — 
Benefits and administrative expenses paid(129)(123)(20)(14)
Benefit obligation at end of year2,553 2,722 237 238 
Change in plan assets:    
Fair value of plan assets at beginning of year1,946 1,677 251 254 
Actual return on plan assets150 272 13 
Employer contributionsa
105 119 
Foreign exchange (losses) gains(1)(3)(4)
Benefits and administrative expenses paid(129)(123)(20)(14)
Fair value of plan assets at end of year2,071 1,946 240 251 
Funded status$(482)$(776)$$13 
Accumulated benefit obligation$2,551 $2,719 $194 $194 
Weighted-average assumptions used to determine benefit obligations:    
Discount rate2.85 %2.50 %6.50 %6.25 %
Rate of compensation increase— %— %4.00 %4.00 %
Balance sheet classification of funded status:    
Other assets$$$$13 
Accounts payable and accrued liabilities(4)(4)— — 
Other liabilities(484)(779)— — 
Total$(482)$(776)$$13 
a.Employer contributions for 2022 are currently expected to approximate $112 million for the FCX plans and $1 million for the PT-FI plan (based on a December 31, 2021, exchange rate of 14,198 Indonesia rupiah to one U.S. dollar), and are subject to change.

In August 2020, the FMC Retirement Plan, the largest FMC plan, was amended such that, effective September 1, 2020, participants no longer accrue any additional benefits. As a result, FCX remeasured its pension assets and benefit obligation as of July 31, 2020. The discount rate and expected long-term rate of return on the plan assets used for the July 31, 2020, remeasurement were 2.40 percent and 6.25 percent, respectively. The remeasurement and curtailment resulted in the projected benefit obligation increasing by $184 million and plan assets increasing by $103 million. In addition, FCX recognized a curtailment loss of $4 million in 2020.

During 2021, the actuarial gain of $117 million for the FCX pension plans primarily resulted from the increase in the discount rate from 2.50 percent to 2.85 percent. During 2020, the actuarial loss of $308 million for the FCX pension plans primarily resulted from the decrease in the discount rate from 3.40 percent to 2.50 percent, offset by the FMC Retirement Plan amendment to discontinue additional benefits.


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The weighted-average assumptions used to determine net periodic benefit cost and the components of net periodic benefit cost for FCX’s pension plans for the years ended December 31 follow:
 202120202019
Weighted-average assumptions:a
   
Discount rate2.50 %2.98 %4.40 %
Expected return on plan assets5.25 %6.25 %6.50 %
Rate of compensation increase— %3.25 %3.25 %
Service cost$12 $37 $42 
Interest cost66 77 95 
Expected return on plan assets(98)(105)(90)
Amortization of net actuarial losses25 45 48 
Curtailment loss— — 
Net periodic benefit cost$$58 $95 
a.The assumptions shown relate only to the FMC Retirement Plan.

The weighted-average assumptions used to determine net periodic benefit cost and the components of net periodic benefit cost for PT-FI’s pension plan for the years ended December 31 follow:
 202120202019
Weighted-average assumptions:   
Discount rate6.25 %7.25 %8.25 %
Expected return on plan assets7.75 %7.75 %8.25 %
Rate of compensation increase4.00 %4.00 %4.00 %
Service cost$13 $11 $12 
Interest cost14 14 17 
Expected return on plan assets(19)(19)(17)
Amortization of prior service cost
Amortization of net actuarial gains(1)(3)(1)
Net periodic benefit cost$$$12 

The service cost component of net periodic benefit cost is included in operating income, and the other components are included in other (expense) income, net in the consolidated statements of operations.

Included in accumulated other comprehensive loss are the following amounts that have not been recognized in net periodic pension cost as of December 31:
20212020
 
Before Taxes
After Taxes and Noncontrolling Interests
Before Taxes
After Taxes and Noncontrolling Interests
Net actuarial losses$488 $369 $673 $558 
Prior service costs— 
$490 $369 $679 $559 

Plan assets are classified within a fair value hierarchy that prioritizes the inputs to valuation techniques used to measure fair value. The hierarchy gives the highest priority to unadjusted quoted prices in active markets for identical assets or liabilities (Level 1), then to prices derived using significant observable inputs (Level 2) and the lowest priority to prices derived using significant unobservable inputs (Level 3).

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A summary of the fair value for pension plan assets, including those measured at net asset value (NAV) as a practical expedient, associated with the FCX plans follows:
 Fair Value at December 31, 2021
 TotalNAVLevel 1Level 2Level 3
Commingled/collective funds:    
    Fixed income securities$522 $522 $— $— $— 
    Real estate property72 72 — — — 
    Short-term investments38 38 — — — 
Fixed income:    
Corporate bonds911 — — 911 — 
Government bonds437 — — 437 — 
Private equity investments11 11 — — — 
Other investments74 — 73 — 
Total investments2,065 $643 $$1,421 $— 
Cash and receivables18 
Payables(12)
Total pension plan net assets$2,071 

 Fair Value at December 31, 2020
 TotalNAVLevel 1Level 2Level 3
Commingled/collective funds:      
Global equity$527 $527 $— $— $— 
Fixed income securities404 404 — — — 
International small-cap equity76 76 — — — 
Real estate property59 59 — — — 
U.S. real estate securities51 51 — — — 
Short-term investments51 51 — — — 
U.S. small-cap equity25 25 — — — 
Fixed income:
Corporate bonds381 — — 381 — 
Government bonds181 — — 181 — 
Global large-cap equity securities109 — 109 — — 
Private equity investments10 10 — — — 
Other investments55 — 54 — 
Total investments1,929 $1,203 $110 $616 $— 
Cash and receivables100 
Payables(83)
Total pension plan net assets$1,946 

Following is a description of the pension plan asset categories and the valuation techniques used to measure fair value. There have been no changes to the techniques used to measure fair value.

Commingled/collective funds are managed by several fund managers and are valued at the NAV per unit of the fund. For most of these funds, the majority of the underlying assets are actively traded securities. These funds (except the real estate property fund) primarily require up to a two-business-day notice for redemptions. The real estate property fund is valued at NAV using information from independent appraisal firms, who have knowledge and expertise about the current market values of real property in the same vicinity as the investments. Redemptions of the real estate property fund are allowed once per quarter (with a 30-calendar-day notice), subject to available cash.

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Fixed income investments include government and corporate bonds held directly by the Master Trust. Fixed income securities are valued using a bid-evaluation price or a mid-evaluation price and, as such, are classified within Level 2 of the fair value hierarchy. A bid-evaluation price is an estimated price at which a dealer would pay for a security. A mid-evaluation price is the average of the estimated price at which a dealer would sell a security and the estimated price at which a dealer would pay for a security. These evaluations are based on quoted prices, if available, or models that use observable inputs.

Common stocks included in global large-cap equity securities and preferred stocks included in other investments are valued at the closing price reported on the active market on which the individual securities are traded and, as such, are classified within Level 1 of the fair value hierarchy.

Private equity investments are valued at NAV using information from general partners and have inherent restrictions on redemptions that may affect the ability to sell the investments at their NAV in the near term.

A summary of the fair value hierarchy for pension plan assets associated with the PT-FI plan follows:
 Fair Value at December 31, 2021
 TotalLevel 1Level 2Level 3
Government bonds$114 $114 $— $— 
Common stocks80 80 — — 
Mutual funds18 18 — — 
Total investments212 $212 $— $— 
Cash and receivablesa
29 
Payables(1)
Total pension plan net assets$240 

 Fair Value at December 31, 2020
 TotalLevel 1Level 2Level 3
Government bonds$117 $117 $— $— 
Common stocks77 77 — — 
Mutual funds18 18 — — 
Total investments212 $212 $— $— 
Cash and receivablesa
41 
Payables(2)
Total pension plan net assets$251 
a.Cash consists primarily of short-term time deposits.

Following is a description of the valuation techniques used for pension plan assets measured at fair value associated with the PT-FI plan. There have been no changes to the techniques used to measure fair value.

Government bonds, common stocks and mutual funds are valued at the closing price reported on the active market on which the individual securities are traded and, as such, are classified within Level 1 of the fair value hierarchy.

The techniques described above may produce a fair value calculation that may not be indicative of NRV or reflective of future fair values. Furthermore, while FCX believes its valuation techniques are appropriate and consistent with those used by other market participants, the use of different techniques or assumptions to determine the fair value of certain financial instruments could result in a different fair value measurement at the reporting date.

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The expected benefit payments for FCX’s and PT-FI’s pension plans follow:
FCX
PT-FIa
2022$127 $17 
2023178 27 
2024130 30 
2025131 27 
2026132 30 
2027 through 2031653 146 
a.Based on a December 31, 2021, exchange rate of 14,198 Indonesia rupiah to one U.S. dollar.

Postretirement and Other Benefits.  FCX also provides postretirement medical and life insurance benefits for certain U.S. employees and, in some cases, employees of certain international subsidiaries. These postretirement benefits vary among plans, and many plans require contributions from retirees. The expected cost of providing such postretirement benefits is accrued during the years employees render service.

The benefit obligation (funded status) for the postretirement medical and life insurance benefit plans consisted of a current portion of $7 million (included in accounts payable and accrued liabilities) and a long-term portion of $57 million (included in other liabilities) at December 31, 2021, and a current portion of $7 million and a long-term portion of $69 million at December 31, 2020.

FCX has a number of postemployment plans covering severance, long-term disability income, continuation of health and life insurance coverage for disabled employees or other welfare benefits. The accumulated postemployment benefit obligation consisted of a current portion of $6 million (included in accounts payable and accrued liabilities) and a long-term portion of $35 million (included in other liabilities) at December 31, 2021, and a current portion of $6 million and a long-term portion of $42 million at December 31, 2020.

FCX also sponsors a retirement savings plan for most of its U.S. employees. The plan allows employees to contribute a portion of their income in accordance with specified guidelines. The savings plan is a qualified 401(k) plan for all U.S. salaried and non-bargained hourly employees. Participants exercise control and direct the investment of their contributions and account balances among various investment options under the plan. FCX contributes to the plan and matches a percentage of employee contributions up to certain limits. For employees whose eligible compensation exceeds certain levels, FCX provides a nonqualified unfunded defined contribution plan, which had a liability balance of $51 million at December 31, 2021, and $49 million at December 31, 2020, all of which was included in other liabilities.

The costs charged to operations for the employee savings plan totaled $95 million in 2021, $40 million in 2020 and $85 million in 2019. The costs were lower in 2020, compared with 2021 and 2019, because of a temporary suspension of FCX contributions implemented as part of FCX’s April 2020 revised operating plans. FCX contributions resumed on January 1, 2021. FCX has other employee benefit plans, certain of which are related to FCX’s financial results, which are recognized in operating costs.

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NOTE 10.  STOCKHOLDERS’ EQUITY AND STOCK-BASED COMPENSATION
FCX’s authorized shares of capital stock total 3.05 billion shares, consisting of 3.0 billion shares of common stock and 50 million shares of preferred stock.

Financial Policy. In February 2021, FCX’s Board of Directors (Board) adopted a financial policy for the allocation of cash flows aligned with FCX’s strategic objectives of maintaining a strong balance sheet and increasing cash returns to shareholders while advancing opportunities for future growth. The policy includes a base dividend and a performance-based payout framework, whereby up to 50 percent of available cash flows generated after planned capital spending and distributions to noncontrolling interests would be allocated to shareholder returns and the balance to debt reduction and investments in value enhancing growth projects, subject to FCX maintaining its net debt at a level not to exceed the net debt target of $3 billion to $4 billion (excluding project debt for additional smelting capacity in Indonesia).

In February 2021, the Board reinstated a cash dividend on FCX’s common stock (base dividend), and on November 1, 2021, the Board approved (i) a new share repurchase program authorizing repurchases of up to $3.0 billion of FCX common stock and (ii) a variable cash dividend on FCX’s common stock for 2022.

In fourth-quarter 2021, FCX acquired 12.7 million shares under the share repurchase program for a total cost of $488 million ($38.32 per share). Through February 15, 2022, FCX acquired 18.2 million shares of its common stock for a total cost of $710 million ($39.10 per share) and $2.3 billion remains available for repurchases.

On December 22, 2021, FCX declared dividends totaling $0.15 per share on its common stock, which was paid on February 1, 2022, to common stockholders of record as of January 14, 2022. This payment includes a $0.075 per share quarterly base cash dividend and a $0.075 per share quarterly variable cash dividend.

The declaration and payment of dividends (base or variable) and timing and amount of any share repurchases is at the discretion of FCX’s Board and management, respectively, and is subject to a number of factors, including maintaining FCX’s net debt target, capital availability, FCX’s financial results, cash requirements, business prospects, global economic conditions, changes in laws, contractual restrictions and other factors deemed relevant by FCX’s Board or management, as applicable. FCX’s share repurchase program may be modified, increased, suspended or terminated at any time at the Board’s discretion.

Accumulated Other Comprehensive Loss. A summary of changes in the balances of each component of accumulated other comprehensive loss, net of tax, follows:
Defined Benefit PlansTranslation AdjustmentTotal
Balance at January 1, 2019$(615)$10 $(605)
Amounts arising during the perioda,b
(118)— (118)
Amounts reclassifiedc
47 — 47 
Balance at December 31, 2019(686)10 (676)
Amounts arising during the perioda,b
47 — 47 
Amounts reclassifiedc
46 — 46 
Balance at December 31, 2020(593)10 (583)
Amounts arising during the perioda,b
176 — 176 
Amounts reclassifiedc
19 — 19 
Balance at December 31, 2021$(398)$10 $(388)
a.Includes net actuarial (losses) gains, net of noncontrolling interest, totaling $(111) million for 2019, $40 million for 2020 and $174 million for 2021.
b.Includes tax (benefit) provision totaling $(8) million for 2019, $7 million for 2020 and $2 million for 2021.
c.Includes amortization primarily related to actuarial losses, net of taxes of less than $1 million for 2019, 2020 and 2021.

Stock Award Plans.  FCX currently has awards outstanding under various stock-based compensation plans. The stockholder-approved 2016 Stock Incentive Plan (the 2016 Plan) provides for the issuance of stock options, stock appreciation rights, restricted stock, RSUs, PSUs and other stock-based awards for up to 72 million common shares. As of December 31, 2021, 30.7 million shares were available for grant under the 2016 Plan, and no shares were available under other plans.

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Stock-Based Compensation Cost. Compensation cost charged against earnings for stock-based awards for the years ended December 31 follows:
202120202019
Selling, general and administrative expenses$64 $70 $48 
Production and delivery34 29 15 
Total stock-based compensation98 99 63 
Tax benefit and noncontrolling interests’ sharea
(5)(5)(4)
Impact on net income (loss)$93 $94 $59 
a. Charges in the U.S. are not expected to generate a future tax benefit.

Stock Options. Stock options granted under the plans generally expire 10 years after the date of grant. Stock options vest in one-third annual increments beginning one year from the date of grant. The award agreements provide that participants will receive the following year’s vesting upon retirement. Therefore, on the date of grant, FCX accelerates one year of amortization for retirement-eligible employees. The award agreements also provide for accelerated vesting upon certain qualifying terminations of employment within one year following a change of control.

A summary of stock options outstanding as of December 31, 2021, and activity during the year ended December 31, 2021, follows:
Number of
Options
Weighted-
Average
Exercise Price
Per Share
Weighted-
Average
Remaining
Contractual
Term (years)
Aggregate
Intrinsic
Value
Balance at January 137,100,098 $25.58 
Granted598,000 28.14 
Exercised(11,527,957)19.48 
Expired/Forfeited(4,347,579)51.15 
Balance at December 3121,822,562 23.78 4.3$411 
Vested and exercisable at December 3117,119,081 26.62 3.4$278 

The fair value of each stock option is estimated on the date of grant using the Black-Scholes-Merton option valuation model. Expected volatility is based on implied volatilities from traded options on FCX’s common stock and historical volatility of FCX’s common stock. FCX uses historical data to estimate future option exercises, forfeitures and expected life. When appropriate, separate groups of employees who have similar historical exercise behavior are considered separately for valuation purposes. The expected dividend rate is calculated using the expected annual dividend at the date of grant. The risk-free interest rate is based on Federal Reserve rates in effect for bonds with maturity dates equal to the expected term of the option.

Information related to stock options during the years ended December 31 follows:
 202120202019
Weighted-average assumptions used to value stock option awards:
Expected volatility58.1 %47.7 %47.8 %
Expected life of options (in years)5.905.836.10
Expected dividend rate2.5 %1.7 %1.8 %
Risk-free interest rate0.6 %1.5 %2.5 %
Weighted-average grant-date fair value (per option)$11.92 $4.72 $4.87 
Intrinsic value of options exercised$194 $82 $
Fair value of options vested$16 $28 $26 

As of December 31, 2021, FCX had $5 million of total unrecognized compensation cost related to unvested stock options expected to be recognized over a weighted-average period of approximately 1.0 years.

Stock-Settled PSUs and RSUs. Beginning in 2014, FCX’s executive officers received annual grants of PSUs that vest after three years. The total grant date target shares related to the PSU grants were 0.7 million for 2019, 0.8 million for 2020 and 0.3 million for 2021, of which the executive officers will earn (i) between 0 percent and 200
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percent of the target shares based on achievement of financial metrics and (ii) +/- up to 25 percent of the target shares based on FCX’s total shareholder return compared to the total shareholder return of a peer group. All of FCX’s executive officers who hold PSUs are retirement eligible, and their PSU awards are therefore non-forfeitable. As such, FCX charges the estimated fair value of the PSU awards to expense at the time the financial and operational, if applicable, metrics are established.

FCX grants RSUs that vest over a period of three years or at the end of three years to certain employees. Some award agreements allow for participants to receive the following year’s vesting upon retirement. Therefore, on the date of grant of these RSU awards, FCX accelerates one year of amortization for retirement-eligible employees. FCX also grants RSUs to its directors, which vest on the first anniversary of the date of grant. The fair value of the RSUs is amortized over the vesting period or the period until the director becomes retirement eligible, whichever is shorter. Upon a director’s retirement, all of their unvested RSUs immediately vest. For retirement-eligible directors, the fair value of RSUs is recognized in earnings on the date of grant.

The award agreements provide for accelerated vesting of all RSUs held by directors if there is a change of control (as defined in the award agreements) and for accelerated vesting of all RSUs held by employees if they experience a qualifying termination within one year following a change of control.

Dividends attributable to RSUs and PSUs accrue and are paid if the award vests. A summary of outstanding stock-settled RSUs and PSUs as of December 31, 2021, and activity during the year ended December 31, 2021, follows:
Number of AwardsWeighted-Average Grant-Date Fair Value Per AwardAggregate
Intrinsic
Value
Balance at January 17,523,022 $16.79  
Granted2,121,755 29.15  
Vested(1,814,976)15.72  
Forfeited(28,916)20.29  
Balance at December 317,800,885 20.38 $326 

The total fair value of stock-settled RSUs and PSUs granted was $62 million during 2021, $47 million during 2020 and $24 million during 2019. The total intrinsic value of stock-settled RSUs and PSUs vested was $56 million during 2021, $18 million during 2020 and $26 million during 2019. As of December 31, 2021, FCX had $17 million of total unrecognized compensation cost related to unvested stock-settled RSUs expected to be recognized over approximately 1.2 years.

Cash-Settled RSUs. Cash-settled RSUs are similar to stock-settled RSUs, but are settled in cash rather than in shares of common stock. These cash-settled RSUs generally vest over three years of service. Some award agreements allow for participants to receive the following year’s vesting upon retirement. Therefore, on the date of grant of these cash-settled RSU awards, FCX accelerates one year of amortization for retirement-eligible employees. The cash-settled RSUs are classified as liability awards, and the fair value of these awards is remeasured each reporting period until the vesting dates. The award agreements for cash-settled RSUs provide for accelerated vesting upon certain qualifying terminations of employment within one year following a change of control.

Dividends attributable to cash-settled RSUs accrue and are paid if the award vests. A summary of outstanding cash-settled RSUs as of December 31, 2021, and activity during the year ended December 31, 2021, follows:
Number of AwardsWeighted-Average Grant-Date Fair Value Per AwardAggregate
Intrinsic
Value
Balance at January 11,521,097 $12.92  
Granted308,600 28.00 
Vested(753,574)13.94 
Forfeited(22,199)15.37  
Balance at December 311,053,924 16.56 $44 

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The total grant-date fair value of cash-settled RSUs was $9 million during 2021, $11 million during 2020 and $10 million during 2019. The intrinsic value of cash-settled RSUs vested was $24 million during 2021, $11 million during 2020 and $8 million during 2019. The accrued liability associated with cash-settled RSUs consisted of a current portion of $26 million (included in accounts payable and accrued liabilities) and a long-term portion of $6 million (included in other liabilities) at December 31, 2021, and a current portion of $22 million and a long-term portion of $6 million at December 31, 2020.

Other Information. The following table includes amounts related to exercises of stock options and vesting of RSUs and PSUs during the years ended December 31:
 202120202019
FCX shares tendered to pay the exercise price   
and/or the minimum required withholding taxesa
1,358,101 1,193,183 670,508 
Cash received from stock option exercises$210 $51 $
Actual tax benefit realized for tax deductions$$$
Amounts FCX paid for employee taxes$29 $17 $
a.Under terms of the related plans, upon exercise of stock options, vesting of stock-settled RSUs and payout of PSUs, employees may tender FCX shares to pay the exercise price and/or the minimum required withholding taxes.

NOTE 11.  INCOME TAXES
Geographic sources of income (losses) before income taxes and equity in affiliated companies’ net earnings for the years ended December 31 consist of the following:
 202120202019
U.S.$1,861 $(40)$(287)
Foreign5,798 1,837 593 
Total$7,659 $1,797 $306 

Income taxes are provided on the earnings of FCX’s material foreign subsidiaries under the assumption that these earnings will be distributed. FCX has not provided deferred income taxes for other differences between the book and tax carrying amounts of its investments in material foreign subsidiaries as FCX considers its ownership positions to be permanent in duration, and quantification of the related deferred tax liability is not practicable. 

FCX’s provision for income taxes for the years ended December 31 consists of the following:
 202120202019
Current income taxes:   
Federal$— $53 
a
$(23)
b,c
State(11)(1)
Foreign(2,460)(816)
d
(462)
Total current(2,471)(764)(482)
Deferred income taxes:   
Federal(184)48 
State(4)
Foreign(23)(306)(101)
Total deferred(211)(298)(45)
Adjustments193 
e
37 12 
Operating loss carryforwards190 81 
Provision for income taxes$(2,299)$(944)$(510)
a.Includes a credit of $53 million associated with the reversal of the charge discussed in footnote c below.
b.As a result of the 2017 Tax Cuts and Jobs Act (the Act) guidance released in 2019, FCX recorded a $29 million credit.
c.Includes a charge of $53 million associated with the sale of FCX’s interest in the lower zone of the Timok exploration project.
d.Includes a charge of $135 million associated with the gain on sale of Kisanfu.
e.Primarily reflects the release of valuation allowances on NOLs at PT Rio Tinto (see below).

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A reconciliation of the U.S. federal statutory tax rate to FCX’s effective income tax rate for the years ended December 31 follows:
 202120202019
 AmountPercentAmountPercentAmountPercent
U.S. federal statutory tax rate$(1,608)(21)%$(377)(21)%$(64)(21)%
Valuation allowancea
221 (210)(12)(149)(49)
PT Rio Tinto valuation allowancea
189 — — — — 
PT-FI historical tax disputesb
(193)(3)(8)— (145)(47)
Percentage depletion221 104 118 39 
Effect of foreign rates different than the U.S.
federal statutory rate(328)(4)(109)(6)(64)(21)
Withholding and other impacts on
foreign earnings(678)(9)(193)(11)(55)(18)
Adjustment to deferred taxes— — — — (49)
c
(16)
Non-deductible permanent differences— — — — (47)(15)
Uncertain tax positions13 — (15)(1)(47)(15)
U.S. tax reform— — — — 29 
d
Foreign tax credit limitation(11)— 28 (16)(5)
State income taxes(14)— (2)— 16 
Cerro Verde historical tax disputese
— — (39)(2)
Timok exploration project sale — — 53 (15)(5)
Sale of Kisanfu— — (135)(8)— — 
Other items, net(111)(1)(41)(3)(24)(9)
Provision for income taxes$(2,299)(30)%$(944)(53)%$(510)(166)%
a.Refer to “Valuation Allowance” below.
b.Refer to “Income Tax Matters” below.
c.Represents net charges primarily to adjust deferred taxes on historical balance sheet items in accordance with tax accounting principles.
d.As a result of the Act guidance released in 2019, FCX recorded a $29 million credit.
e.Refer to Note 12 for further discussion.

FCX paid federal, state and foreign income taxes totaling $1.3 billion in 2021, $397 million in 2020 and $610 million in 2019. FCX received refunds of federal, state and foreign income taxes of $109 million in 2021, $265 million in 2020 and $306 million in 2019.

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The components of deferred taxes follow:
 December 31,
 20212020
Deferred tax assets:  
Foreign tax credits$1,536 $1,641 
Accrued expenses1,193 1,194 
Net operating losses (NOLs)2,220 2,443 
Employee benefit plans105 177 
Other252 227 
Deferred tax assets5,306 5,682 
Valuation allowances(4,087)(4,732)
Net deferred tax assets1,219 950 
Deferred tax liabilities:  
Property, plant, equipment and mine development costs(4,492)(4,489)
Undistributed earnings(807)(694)
Other(152)(175)
Total deferred tax liabilities(5,451)(5,358)
Net deferred tax liabilities$(4,232)$(4,408)

Tax Attributes. At December 31, 2021, FCX had (i) U.S. foreign tax credits of $1.5 billion that will expire between 2022 and 2027, (ii) U.S. federal net operating losses (NOLs) of $6.1 billion that primarily expire between 2036 and 2037, of which $0.2 billion can be carried forward indefinitely, (iii) U.S. state NOLs of $10.9 billion that primarily expire between 2022 and 2041, (iv) Spanish NOLs of $0.5 billion that can be carried forward indefinitely and (v) Indonesia NOLs of $0.9 billion that expire between 2022 and 2026.

Valuation Allowances. On the basis of available information at December 31, 2021, including positive and negative evidence, FCX has provided valuation allowances for certain of its deferred tax assets where it believes it is more- likely-than-not that some portion or all of such assets will not be realized. Valuation allowances totaled $4.1 billion at December 31, 2021, and covered all of FCX’s U.S. foreign tax credits and U.S. federal NOLs, substantially all of its U.S. state NOLs, and a portion of its foreign NOLs. Valuation allowances totaled $4.7 billion at December 31, 2020, and covered all of FCX’s U.S. foreign tax credits, U.S. federal NOLs, foreign net operating losses and substantially all of its U.S. state NOLs.

The valuation allowance related to FCX’s U.S. foreign tax credits totaled $1.5 billion at December 31, 2021. FCX has operations in tax jurisdictions where statutory income taxes and withholding taxes are in excess of the U.S. federal income tax rate. Valuation allowances are recognized on foreign tax credits for which no benefit is expected to be realized.

The valuation allowance related to FCX’s U.S. federal, state and foreign NOLs totaled $2.0 billion and other deferred tax assets totaled $561 million at December 31, 2021. NOLs and deferred tax assets represent future deductions for which a benefit will only be realized to the extent these deductions offset future income. FCX develops an estimate of which future tax deductions will be realized and recognizes a valuation allowance to the extent these deductions are not expected to be realized in future periods.

Valuation allowances will continue to be carried on U.S. foreign tax credits, U.S. federal, state and foreign NOLs and U.S. federal, state and foreign deferred tax assets, until such time that (i) FCX generates taxable income against which any of the assets, credits or NOLs can be used, (ii) forecasts of future income provide sufficient positive evidence to support reversal of the valuation allowances or (iii) FCX identifies a prudent and feasible means of securing the benefit of the assets, credits or net operating losses that can be implemented.

The $645 million net decrease in the valuation allowances during 2021 is primarily related to a $219 million decrease associated with U.S. federal NOLs utilized during 2021, a $105 million decrease related to expirations of U.S. foreign tax credits and $228 million decrease associated with PT Rio Tinto NOLs resulting from positive evidence supporting future taxable income against which net operating losses can be used. Changes in assumptions about future taxable income against which PT Rio Tinto NOLs can be utilized resulted from delays in timing of the anticipated merger of PT Rio Tinto into PT-FI.
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Other Events. In connection with the negative impacts of the COVID-19 pandemic on the global economy, governments throughout the world announced measures that are intended to provide tax and other financial relief. Such measures include the American Rescue Plan Act of 2021, enacted on March 11, 2021, and the Coronavirus Aid, Relief, and Economic Security Act (CARES Act), enacted on March 27, 2020. None of these measures resulted in material impacts to FCX’s provision for income taxes for the years ended December 31, 2021 and 2020. However, certain provisions of the CARES Act provided FCX with the opportunity to accelerate collections of tax refunds, primarily those associated with the U.S. alternative minimum tax (AMT). FCX collected U.S. AMT refunds of $24 million in 2021 and $244 million in 2020. FCX continues to evaluate income tax accounting considerations of COVID-19 measures as they develop, including any impact on its measurement of existing deferred tax assets and deferred tax liabilities. FCX will recognize any impact from COVID-19 related changes to tax laws in the period in which the new legislation is enacted.

Indonesia Tax Matters. In 2018, PT-FI received unfavorable Indonesia Tax Court decisions with respect to its appeal of capitalized mine development costs on its 2012 and 2014 corporate income tax returns. PT-FI appealed those decisions to the Indonesia Supreme Court. In 2019, the Indonesia Supreme Court communicated an unfavorable ruling regarding the treatment of mine development costs on PT-FI’s 2014 tax return. During the fourth quarter of 2019, PT-FI met with the Indonesia Tax Office and developed a framework for resolution of the disputed matters. On December 30, 2019, PT-FI made a payment of $250 million based on its understanding of the framework for resolution of disputes arising from the audits of the tax years 2012 through 2016, as well as tax years 2017 and 2018. Additional administrative steps would need to be completed by both PT-FI and the Indonesia Tax Office in order to implement the resolution.

During October 2021, PT-FI participated in discussions with the Indonesia tax office regarding progress on the framework for resolution of disputes arising from the audits of tax years 2012 through 2016. As a result of these discussions and the revised positions taken by both the Indonesia tax office and PT-FI, FCX believes it can no longer conclude a resolution of all of the disputed tax items at a more-likely-than-not threshold. PT-FI will continue to engage with the Indonesia tax office in pursuit of certain aspects of the original framework for resolution.

During 2019, in conjunction with the framework for resolution, PT-FI recorded net charges totaling $304 million, including $123 million for non-deductible penalties recorded to other (expense) income, net, $78 million for non-deductible interest recorded to interest expense, net and $103 million to provision for income tax expense, primarily for the impact of a reduction in the statutory rate on PT-FI’s deferred tax assets.

During 2020, in connection with progress of the framework for resolution, PT-FI recorded additional net charges of $46 million, including $9 million for non-deductible penalties recorded to other (expense) income, net and $35 million for non-deductible interest recorded to interest expense, net, and $2 million to provision for income tax expense.

During 2021, mostly in connection with the October 2021 meeting with the Indonesia tax office and the progress of the framework for resolution, PT-FI recorded total additional net charges of $384 million, including $155 million for non-deductible penalties recorded to other (expense) income, net, $43 million for non-deductible interest recorded to interest expense, net, and $186 million to provision for income tax expense.

Peru Tax Matters. SUNAT (National Superintendency of Customs and Administration), the Peru national tax authority, has assessed mining royalties on ore processed by the Cerro Verde concentrator for the period December 2006 to December 2013, which Cerro Verde has contested on the basis that its 1998 stability agreement exempts from royalties all minerals extracted from its mining concessions, irrespective of the method used for processing those minerals. Refer to Note 12 for further discussion of the Cerro Verde royalty dispute.

In December 2016, the Peru parliament passed tax legislation that, in part, modified the applicable tax rates established in its December 2014 tax legislation, which progressively decreased the corporate income tax rate to 26 percent in 2019 and thereafter, and also increased the dividend tax rate on distributions to 9.3 percent in 2019 and thereafter. Under the tax legislation, which was effective January 1, 2017, the corporate income tax rate was 29.5 percent, and the dividend tax rate on distributions of earnings was 5 percent. Cerro Verde’s current mining stability agreement subjects it to a stable income tax rate of 32 percent through the expiration of the agreement on December 31, 2028. The tax rate on dividend distributions is not stabilized by the agreement.


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Chile Tax Matters. In September 2014, the Chile legislature approved a tax reform package that implemented a dual tax system, which was amended in January 2016. Under previous rules, FCX’s share of income from Chile operations was subject to an effective 35 percent tax rate allocated between income taxes and dividend withholding taxes. Under the amended tax reform package, FCX’s Chile operation is subject to the “Partially-Integrated System,” resulting in FCX’s share of income from El Abra being subject to progressively increasing effective tax rates of 35 percent through 2019 and 44.5 percent in 2020 and thereafter. In November 2017, the progression of increasing tax rates was delayed by the Chile legislature so that the 35 percent rate continued through 2021, increasing to 44.5 percent in 2022 and thereafter. In January 2020, the Chile legislature approved a tax reform package that would further delay the 44.5 percent rate until 2027 and thereafter. 

In 2010, the Chile legislature approved an increase in mining royalty taxes to help fund earthquake reconstruction activities, education and health programs. Beginning in 2018, and through 2023 mining royalty rates at FCX’s El Abra mine are based on a sliding scale of 5 to 14 percent (depending on a defined operational margin).

Uncertain Tax Positions. FCX accounts for uncertain income tax positions using a threshold and measurement criteria for the financial statement recognition and measurement of a tax position taken or expected to be taken in a tax return. FCX’s policy associated with uncertain tax positions is to record accrued interest in interest expense and accrued penalties in other (expense) income, net rather than in the provision for income taxes.

A summary of the activities associated with FCX’s reserve for unrecognized tax benefits for the years ended December 31 follows. The balance at year-end December 31, 2019, was revised by $115 million and the balance at year-end December 31, 2020, was revised by $179 million to adjust for amounts paid on accruals not yet settled.
202120202019
Balance at beginning of year$474 $491 $494 
Additions:
Prior year tax positions330 56 86 
Current year tax positions71 60 11 
Decreases:
Prior year tax positions(30)(82)(75)
Settlements with taxing authorities(37)(51)(25)
Balance at end of year$808 $474 $491 

The total amount of accrued interest and penalties associated with unrecognized tax benefits was $620 million at December 31, 2021, primarily relating to unrecognized tax benefits associated with cost recovery methods and royalties and other related mining taxes, and $307 million at December 31, 2020, and $339 million at December 31, 2019.

The reserve for unrecognized tax benefits of $808 million at December 31, 2021, included $694 million ($465 million net of income tax benefits and valuation allowances) that, if recognized, would reduce FCX’s provision for income taxes. Changes in the reserve for unrecognized tax benefits associated with current and prior-year tax positions were primarily related to uncertainties associated with FCX's tax treatment of cost recovery methods. There continues to be uncertainty related to the timing of settlements with taxing authorities, but if additional settlements are agreed upon during the year 2022, FCX could experience a change in its reserve for unrecognized tax benefits.

FCX or its subsidiaries file income tax returns in the U.S. federal jurisdiction and various state and foreign jurisdictions. The tax years for FCX’s major tax jurisdictions that remain subject to examination are as follows:
JurisdictionYears Subject to ExaminationAdditional Open Years
U.S. Federal2017-20182014-2016, 2019-2021
Indonesia2011-20182020-2021
Peru20162017-2021
Chile20202018-2019, 2021

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NOTE 12.  CONTINGENCIES
Environmental. FCX subsidiaries are subject to various national, state and local environmental laws and regulations that govern emissions of air pollutants; discharges of water pollutants; generation, handling, storage and disposal of hazardous substances, hazardous wastes and other toxic materials; and remediation, restoration and reclamation of environmental contamination. FCX subsidiaries that operate in the U.S. also are subject to potential liabilities arising under CERCLA and similar state laws that impose responsibility on current and previous owners and operators of a facility for the remediation of hazardous substances released from the facility into the environment, including damages to natural resources, in some cases irrespective of when the damage to the environment occurred or who caused it. Remediation liability also extends to persons who arranged for the disposal of hazardous substances or transported the hazardous substances to a disposal site selected by the transporter. These liabilities are often shared on a joint and several basis, meaning that each responsible party is fully responsible for the remediation if some or all of the other historical owners or operators no longer exist, do not have the financial ability to respond or cannot be found. As a result, because of FCX’s acquisition of FMC in 2007, many of the subsidiary companies FCX now owns are responsible for a wide variety of environmental remediation projects throughout the U.S., and FCX expects to spend substantial sums annually for many years to address those remediation issues. Certain FCX subsidiaries have been advised by the U.S. Environmental Protection Agency (EPA), the Department of the Interior, the Department of Agriculture and various state agencies that, under CERCLA or similar state laws and regulations, they may be liable for costs of responding to environmental conditions at a number of sites that have been or are being investigated to determine whether releases of hazardous substances have occurred and, if so, to develop and implement remedial actions to address environmental concerns. FCX is also subject to claims where the release of hazardous substances is alleged to have damaged natural resources (NRD) and to litigation by individuals allegedly exposed to hazardous substances. As of December 31, 2021, FCX had more than 100 active remediation projects, including NRD claims, in 24 U.S. states. The aggregate environmental obligation for approximately 60 percent of the active remediation projects totaled less than $20 million at December 31, 2021.

A summary of changes in estimated environmental obligations for the years ended December 31 follows:
 202120202019
Balance at beginning of year$1,584 $1,561 $1,511 
Accretion expensea
104 102 102 
Additionsb
60 38 23 
Reductionsb
(20)(58)(1)
Spending(64)(59)(74)
Balance at end of year1,664 1,584 1,561 
Less current portion(64)(83)(106)
Long-term portion$1,600 $1,501 $1,455 
a.Represents accretion of the fair value of environmental obligations assumed in the 2007 acquisition of FMC, which were determined on a discounted cash flow basis.
b.Adjustments to environmental obligations that do not provide future economic benefits are charged to operating income. Adjustments primarily reflect revisions for changes in the anticipated scope and timing of projects and other noncash adjustments.

Estimated future environmental cash payments (on an undiscounted and de-escalated basis) total $89 million in 2022, $80 million in 2023, $105 million in 2024, $98 million in 2025, $100 million in 2026 and $3.2 billion thereafter. The amount and timing of these estimated payments will change as a result of changes in regulatory requirements, changes in scope and timing of remediation activities, the settlement of environmental matters and as actual spending occurs.

At December 31, 2021, FCX’s environmental obligations totaled $1.7 billion, including $1.5 billion recorded on a discounted basis for those obligations assumed in the FMC acquisition at fair value. On an undiscounted and de-escalated basis, these obligations totaled $3.7 billion. FCX estimates it is reasonably possible that these obligations could range between $3.3 billion and $4.2 billion on an undiscounted and de-escalated basis.

At December 31, 2021, the most significant environmental obligations were associated with the Pinal Creek site in Arizona; the Newtown Creek site in New York City; historical smelter sites principally located in Arizona, Indiana, Kansas, Missouri, New Jersey, Oklahoma and Pennsylvania; and uranium mining sites in the western U.S. The recorded environmental obligations for these sites totaled $1.4 billion at December 31, 2021. FCX may also be
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subject to litigation brought by private parties, regulators and local governmental authorities related to these historical sites. A discussion of these sites follows.

Pinal Creek. The Pinal Creek site was listed under the Arizona Department of Environmental Quality’s (ADEQ) Water Quality Assurance Revolving Fund program in 1989 for contamination in the shallow alluvial aquifers within the Pinal Creek drainage near Miami, Arizona. Since that time, environmental remediation has been performed by members of the Pinal Creek Group, consisting of Freeport-McMoRan Miami Inc. (Miami), an indirect wholly owned subsidiary of FCX, and two other companies. Pursuant to a 2010 settlement agreement, Miami agreed to take full responsibility for future groundwater remediation at the Pinal Creek site, with limited exceptions. Remediation work consisting of groundwater extraction and treatment plus source control capping is expected to continue for many years.

Newtown Creek. From the 1930s until 1964, Phelps Dodge Refining Corporation (PDRC), an indirect wholly owned subsidiary of FCX, operated a copper smelter, and from the 1930s until 1984 operated a copper refinery, on the banks of Newtown Creek (the creek), which is a 3.5-mile-long waterway that forms part of the boundary between Brooklyn and Queens in New York City. Heavy industrialization along the banks of the creek and discharges from the City of New York’s sewer system over more than a century resulted in significant environmental contamination of the waterway. In 2010, EPA notified PDRC, four other companies and the City of New York that EPA considers them PRPs under CERCLA. The notified parties began working with EPA to identify other PRPs. In 2010, EPA designated the creek as a Superfund site, and in 2011, PDRC and four other companies (the Newtown Creek Group, NCG) and the City of New York entered an Administrative Order on Consent (AOC) to perform a remedial investigation/feasibility study (RI/FS) to assess the nature and extent of environmental contamination in the creek and identify remedial options. The NCG’s RI/FS work and efforts to identify other PRPs are ongoing. The NCG submitted a final draft RI report in October 2021, which is currently under review by EPA. The NCG expects to submit a draft FS report to EPA in late 2025 and currently expects EPA to select a creek-wide remedy in 2026, with the actual remediation construction starting several years later. In July 2019, the NCG entered into an AOC with EPA to conduct a Focused Feasibility Study (FFS) of the first two miles of the creek to support an evaluation of an early interim remedy for that section of the creek. In July 2021, EPA terminated the FFS, which effectively means remediation of the lower creek will be performed at the same time as the site-wide remedy. FCX’s environmental liability balance for the creek was $318 million at December 31, 2021. The final costs of fulfilling this remedial obligation and the allocation of costs among PRPs are uncertain and subject to change based on the results of the RI/FS, the remedy ultimately selected by EPA and related allocation determinations. Changes to the overall cost of this remedial obligation and the portion ultimately allocated to PDRC could be material to FCX.

Historical Smelter Sites. FCX subsidiaries and their predecessors at various times owned or operated copper, zinc and lead smelters or refineries in states including Arizona, Indiana, Kansas, Missouri, New Jersey, Oklahoma and Pennsylvania. For some of these former processing sites, certain FCX subsidiaries have been advised by EPA or state agencies that they may be liable for costs of investigating and, if appropriate, remediating environmental conditions associated with these former processing facilities. At other sites, certain FCX subsidiaries have entered into state voluntary remediation programs to investigate and, if appropriate, remediate on-site and off-site conditions associated with the facilities. The historical processing sites are in various stages of assessment and remediation. At some of these sites, disputes with local residents and elected officials regarding alleged health effects or the effectiveness of remediation efforts have resulted in litigation of various types, and similar litigation at other sites is possible.

From 1920 until 1986, United States Metals Refining Company (USMR), an indirect wholly owned subsidiary of FCX, owned and operated a copper smelter and refinery in the Borough of Carteret, New Jersey. Since the early 1980s, the site has been the subject of environmental investigation and remediation, under the direction and supervision of the New Jersey Department of Environmental Protection (NJDEP). On-site contamination is in the later stages of remediation. In 2012, after receiving a request from NJDEP, USMR also began investigating and remediating off-site properties, which is ongoing. As a result of off-site soil sampling in public and private areas near the former Carteret smelter, FCX established an environmental obligation for known and potential off-site environmental remediation. Assessments of sediments in the adjacent Arthur Kill and sampling and analysis within the offsite area as we obtain access to residential properties are ongoing and could result in additional adjustments to the related environmental remediation obligation in future periods. The extent of contamination and potential remedial actions are uncertain and may take several years to evaluate.


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On January 30, 2017, a putative class action titled Juan Duarte, Betsy Duarte and N.D., Infant, by Parents and Natural Guardians Juan Duarte and Betsy Duarte, Leroy Nobles and Betty Nobles, on behalf of themselves and all others similarly situated v. United States Metals Refining Company, Freeport-McMoRan Copper & Gold Inc. and Amax Realty Development, Inc., Docket No. 734-17, was filed in the Superior Court of New Jersey against USMR, FCX, and Amax Realty Development, Inc. The defendants removed this litigation to the U.S. District Court for the District of New Jersey, where it remains pending, and FMC was added as a defendant. The suit alleges that USMR generated and disposed of smelter waste at the site and allegedly released contaminants on-site and off-site through discharges to surface water and air emissions over a period of decades and seeks unspecified compensatory and punitive damages for economic losses, including diminished property values, additional soil investigation and remediation and other damages. In January 2020, the parties completed briefing on the plaintiffs’ motion for class certification. The judge indicated in late 2021 that the plaintiffs may submit rebuttal expert reports, which will likely result in additional discovery and refiling of a new briefing on class certification. This will likely delay the court’s decision on class certification. FCX continues to vigorously defend this matter.

Uranium Mining Sites. During a period between 1940 and the early 1980s, certain FCX subsidiaries and their predecessors were involved in uranium exploration and mining in the western U.S., primarily on federal and tribal lands in the Four Corners region of the southwest. Similar exploration and mining activities by other companies have also caused environmental impacts warranting remediation. In 2017, the Department of Justice, EPA, Navajo Nation, and two FCX subsidiaries reached an agreement regarding the financial contribution of the U.S. Government and the FCX subsidiaries and the scope of the environmental investigation and remediation work for 94 former uranium mining sites on tribal lands. Under the terms of the Consent Decree executed in May 2017, and approved by the U.S. District Court for the District of Arizona, the U.S. contributed $335 million into a trust fund to cover the government’s initial share of the costs, and FCX’s subsidiaries are proceeding with the environmental investigation and remediation work at the 94 sites. The program is expected to take more than 20 years to complete. In 2020, FCX reduced its associated obligation and recorded a $47 million credit to operating income to reflect the discounting effect of the recent and expected pace of project work under post-COVID-19 pandemic conditions. By letter dated September 29, 2021, EPA also informed an FCX subsidiary that it does not expect to have funds sufficient to remediate sites covered by a bankruptcy settlement with Tronox and EPA considers a subsidiary of FCX to be potentially liable for 23 of these sites. FCX is also conducting site surveys of historical uranium mining claims associated with FCX subsidiaries on non-tribal federal lands in the Four Corners region. Under a memorandum of understanding with the U.S. Bureau of Land Management (BLM), site surveys are being performed on approximately 15,000 mining claims, ranging from undisturbed claims to claims with mining features. Based on these surveys, BLM has issued no further action determinations for certain undisturbed claims. A similar agreement is in place with the U.S. Forest Service for mine features on U.S. Forest Service land. Either BLM or the U.S Forest Service may request additional assessment or remediation activities for other claims with mining features. FCX will update this obligation when it has a sufficient number of remedy decisions from the BLM or the U.S Forest Service to support a reasonably certain range of outcomes. FCX expects it will take several years to complete this work.

AROs. FCX’s ARO estimates are reflected on a third-party cost basis and are based on FCX’s legal obligation to retire tangible, long-lived assets. A summary of changes in FCX’s AROs for the years ended December 31 follows:
 202120202019
Balance at beginning of year$2,472 $2,505 $2,547 
Liabilities incurred20 
Settlements and revisions to cash flow estimates, net331 
a
(13)(5)
Accretion expense112 131 118 
Dispositions— 

(2)(5)
Spending(201)(156)(170)
Balance at end of year2,716 2,472 2,505 
Less current portion(200)(268)(330)
Long-term portion$2,516 $2,204 $2,175 
a.Includes an adjustment at PT-FI totaling $397 million, see further discussion below.

ARO costs may increase or decrease significantly in the future as a result of changes in regulations, changes in engineering designs and technology, permit modifications or updates, changes in mine plans, settlements, inflation or other factors and as reclamation (concurrent with mining operations or post mining) spending occurs. ARO activities and expenditures for mining operations generally are made over an extended period of time commencing near the end of the mine life; however, certain reclamation activities may be accelerated if legally required or if
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determined to be economically beneficial. The methods used or required to plug and abandon non-producing oil and gas wellbores; remove platforms, tanks, production equipment and flow lines; and restore wellsites could change over time.

Financial Assurance. New Mexico, Arizona, Colorado and other states, as well as federal regulations governing mine operations on federal land, require financial assurance to be provided for the estimated costs of mine reclamation and closure, including groundwater quality protection programs. FCX has satisfied financial assurance requirements by using a variety of mechanisms, primarily involving parent company performance guarantees and financial capability demonstrations, but also including trust funds, surety bonds, letters of credit and other collateral. The applicable regulations specify financial strength tests that are designed to confirm a company’s or guarantor’s financial capability to fund estimated reclamation and closure costs. The amount of financial assurance FCX subsidiaries are required to provide will vary with changes in laws, regulations, reclamation and closure requirements, and cost estimates. At December 31, 2021, FCX’s financial assurance obligations associated with these U.S. mine closure and reclamation/restoration costs totaled $1.5 billion, of which $0.9 billion was in the form of guarantees issued by FCX and FMC. At December 31, 2021, FCX had trust assets totaling $208 million (included in other assets), which are legally restricted to be used to satisfy its financial assurance obligations for its mining properties in New Mexico. In addition, FCX subsidiaries have financial assurance obligations for its oil and gas properties associated with plugging and abandoning wells and facilities totaling $424 million. Where oil and gas guarantees associated with the Bureau of Ocean Energy Management do not include a stated cap, the amounts reflect management’s estimates of the potential exposure.

New Mexico Environmental and Reclamation Programs. FCX’s New Mexico operations are regulated under the New Mexico Water Quality Act and regulations adopted by the Water Quality Control Commission. In connection with discharge permits, the New Mexico Environment Department (NMED) has required each of these operations to submit closure plans for NMED’s approval. The closure plans must include measures to assure meeting applicable groundwater quality standards following the closure of discharging facilities and to abate groundwater or surface water contamination to meet applicable standards. FCX’s New Mexico operations also are subject to regulation under the 1993 New Mexico Mining Act (the Mining Act) and the related rules that are administered by the Mining and Minerals Division of the New Mexico Energy, Minerals and Natural Resources Department. Under the Mining Act, mines are required to obtain approval of reclamation plans. In 2020, the agencies approved updates to the closure plan and financial assurance instruments and completed a permit renewal for Chino. In 2021, the agencies approved updates to the closure plan and financial assurance instruments, and completed a permit renewal for Tyrone. At December 31, 2021, FCX had accrued reclamation and closure costs of $510 million for its New Mexico operations. Additional accruals may be required based on the state’s periodic review of FCX’s updated closure plans and any resulting permit conditions, and the amount of those accruals could be material.

Arizona Environmental and Reclamation Programs. FCX’s Arizona operations are subject to regulatory oversight by the ADEQ. ADEQ has adopted regulations for its aquifer protection permit (APP) program that require permits for, among other things, certain facilities, activities and structures used for mining, leaching, concentrating and smelting, and require compliance with aquifer water quality standards during operations and closure. An application for an APP requires a proposed closure strategy that will meet applicable groundwater protection requirements following cessation of operations and an estimate of the implementation cost, with a more detailed closure plan required at the time operations cease. A permit applicant must demonstrate its financial ability to meet the closure costs approved by ADEQ. Closure costs for facilities covered by APPs are required to be updated every six years and financial assurance mechanisms are required to be updated every two years. Morenci’s APP requires updated stockpile reclamation plans in 2022, which are expected to result in increased closure costs. Bagdad’s APP also requires an updated cost estimate for its closure plan in 2022, which is expected to result in increased closure costs. FCX will continue updating its closure strategy and closure cost estimates at other Arizona sites and intends to submit an updated tailings dam system closure cost for Bagdad according to a schedule to be determined by ADEQ.

Portions of Arizona mining facilities that operated after January 1, 1986, also are subject to the Arizona Mined Land Reclamation Act (AMLRA). AMLRA requires reclamation to achieve stability and safety consistent with post-mining land use objectives specified in a reclamation plan. Reclamation plans must be approved by the State Mine Inspector and must include an estimate of the cost to perform the reclamation measures specified in the plan along with financial assurance. FCX will continue to evaluate options for future reclamation and closure activities at its operating and non-operating sites, which are likely to result in adjustments to FCX’s AROs, and those adjustments
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could be material. At December 31, 2021, FCX had accrued reclamation and closure costs of $363 million for its Arizona operations.

Colorado Reclamation Programs. FCX’s Colorado operations are regulated by the Colorado Mined Land Reclamation Act (Reclamation Act) and regulations promulgated thereunder. Under the Reclamation Act, mines are required to obtain approval of plans for reclamation of lands affected by mining operations to be performed during mining or upon cessation of mining operations. In March 2020, the Division of Reclamation, Mining, and Safety (DRMS) approved Henderson’s proposed update to its closure plan and closure cost estimate. As of December 31, 2021, FCX had accrued reclamation and closure costs of $153 million for its Colorado operations.

In 2019, Colorado enacted legislation that requires proof of an end date for water treatment as a condition of permit authorizations for new mining operations and expansions beyond current permit authorizations. While this requirement does not apply to existing operations, it may lead to changes in long-term water management requirements at Climax and Henderson operations and AROs. In accordance with its permit from DRMS, Climax will submit an updated reclamation plan and cost estimate in 2024.

Chile Reclamation and Closure Programs. El Abra is subject to regulation under the Mine Closure Law administered by the Chile Mining and Geology Agency. In compliance with the requirement for five-year updates, in November 2018, El Abra submitted an updated plan with closure cost estimates based on the existing approved closure plan. Approval of the updated closure plan and cost estimates was received in August 2020, and did not result in a material increase to closure costs. At December 31, 2021, FCX had accrued reclamation and closure costs of $82 million for its El Abra operation.

Peru Reclamation and Closure Programs. Cerro Verde is subject to regulation under the Mine Closure Law administered by the Peru Ministry of Energy and Mines. Under the closure regulations, mines must submit a closure plan that includes the reclamation methods, closure cost estimates, methods of control and verification, closure and post-closure plans, and financial assurance. In compliance with the requirement for five-year updates, in 2017 Cerro Verde submitted its closure plan and cost estimate updated for the mine expansion, which was approved in February 2018. At December 31, 2021, FCX had accrued reclamation and closure costs of $141 million for its Cerro Verde operation.

Indonesia Reclamation and Closure Programs. The ultimate amount of reclamation and closure costs to be incurred at PT-FI’s operations will be determined based on applicable laws and regulations and PT-FI’s assessment of appropriate remedial activities under the circumstances, after consultation with governmental authorities, affected local residents and other affected parties and cannot currently be projected with precision. Some reclamation costs will be incurred during mining activities, while the remaining reclamation costs will be incurred at the end of mining activities, which are currently estimated to continue through 2041. The construction time frame for reclamation of the West Wanagon overburden stockpile has been extended from 2025 to 2029 because safety constraints for working in steep and difficult terrain has reduced labor and equipment operating efficiencies. The time frame extension resulted in longer and escalating fixed costs, combined with additional anticipated volumes of stockpile material to be moved. As a result of the change in estimated costs, an ARO adjustment of $397 million was recorded in 2021, with $340 million charged to production and delivery costs, as it relates to the depleted Grasberg open pit. At December 31, 2021, FCX had accrued reclamation and closure costs of $1.1 billion for its PT-FI operations.

Indonesia government regulations issued in 2010 require a company to provide a mine closure guarantee in the form of a time deposit placed in a state-owned bank in Indonesia. In December 2018, PT-FI, in conjunction with the issuance of its special mining license (IUPK), submitted a revised mine closure plan to Indonesia’s Department of Energy and Mineral Resources to reflect the extension of operations to 2041. At December 31, 2021, PT-FI had restricted time deposits totaling $113 million for mine closure and reclamation guarantees.

Oil and Gas Properties. Substantially all of FM O&G’s oil and gas leases require that, upon termination of economic production, the working interest owners plug and abandon non-producing wellbores, remove equipment and facilities from leased acreage, and restore land in accordance with applicable local, state and federal laws. Following several sales transactions, FM O&G’s remaining operating areas primarily include offshore California and the Gulf of Mexico (GOM). As of December 31, 2021, FM O&G AROs cover 135 wells and approximately 100 platforms and other structures and it had accrued reclamation and closure costs of $337 million.

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Litigation. In addition to the material pending legal proceedings discussed below and above under “Environmental,” we are involved periodically in ordinary routine litigation incidental to our business and not required to be disclosed, some of which may result in adverse judgments, settlements, fines, penalties, injunctions or other relief. SEC regulations require us to disclose environmental proceedings involving a governmental authority if we reasonably believe that such proceedings may result in monetary sanctions above a stated threshold. Pursuant to the SEC regulations, we use a threshold of $1 million for purposes of determining whether disclosure of any such environmental proceedings is required. Management does not believe, based on currently available information, that the outcome of any current pending legal proceeding will have a material adverse effect on FCX’s financial condition, although individual or cumulative outcomes could be material to FCX’s operating results for a particular period, depending on the nature and magnitude of the outcome and the operating results for the period.

Louisiana Parishes Coastal Erosion Cases. Certain FCX affiliates were named as defendants, along with numerous co-defendants, in 13 cases out of a total of 42 cases filed in Louisiana state courts by six south Louisiana parishes (Cameron, Jefferson, Plaquemines, St. Bernard, St. John the Baptist and Vermilion), alleging that certain oil and gas exploration and production operations and sulfur mining and production operations in coastal Louisiana contaminated and damaged coastal wetlands and caused significant land loss along the Louisiana coast. The state of Louisiana, through the Attorney General and separately through the Louisiana Department of Natural Resources, intervened in the litigation in support of the parishes’ claims. Specifically, the cases alleged the defendants failed to obtain and/or comply with required coastal use permits in violation of the Louisiana State and Local Coastal Resources Management Act of 1978, and sought unspecified damages for the alleged statutory violations, and restoration of the properties at issue to their original condition. Certain FCX affiliates were named as defendants in two of the five cases that had been set for trial, both originally filed on November 8, 2013: Parish of Plaquemines v. ConocoPhillips Company et al., 25th Judicial District Court, Plaquemines Parish, Louisiana; No. 60-982, Div. B and Parish of Plaquemines v. Hilcorp Energy Company et al., 25th Judicial District Court, Plaquemines Parish, Louisiana; No. 60-999, Div. B. In 2019, affiliates of FCX reached an agreement in principle to settle all 13 cases. The maximum out-of-pocket settlement payment will be $23.5 million with the initial payment of $15 million to be paid upon execution of the settlement agreement. The initial payment will be held in trust and later deposited into a newly formed Coastal Zone Recovery Fund (the Fund) if the state of Louisiana passes enabling legislation to establish the Fund. The settlement agreement will also require the FCX affiliates to pay into the Fund twenty annual installments of $4.25 million beginning in 2023 provided the state of Louisiana passes the enabling legislation. The first two of those annual installments are conditioned only on the enactment of the enabling legislation within three years of execution of the settlement agreement, but all subsequent installments are also conditioned on the FCX affiliates receiving simultaneous reimbursement on a dollar-for-dollar basis from the proceeds of environmental credit sales generated by the Fund, resulting in the $23.5 million maximum total payment obligation. The settlement agreement must be executed by all parties, including authorized representatives of the six south Louisiana parishes originally plaintiffs in the suit and certain other non-plaintiff Louisiana parishes and the state of Louisiana. The agreement in principle does not include any admission of liability by FCX or its affiliates. FCX recorded a charge in 2019 for the initial payment of $15 million, which will be paid upon execution of the settlement agreement. The settlement agreement has been executed by the FCX affiliates, several of the Louisiana parishes, and the state of Louisiana. FCX is continuing its efforts to obtain signatures from or on behalf of the remaining parishes to finalize the settlement. Upon execution of the settlement agreement by all parties, the FCX affiliates will be fully released and dismissed from all 13 pending cases.

Asbestos and Talc Claims. Since approximately 1990, various FCX affiliates have been named as defendants in a large number of lawsuits alleging personal injury from exposure to asbestos or talc allegedly contained in industrial products such as electrical wire and cable, raw materials such as paint and joint compounds, talc-based lubricants used in rubber manufacturing or from asbestos contained in buildings and facilities located at properties owned or operated by affiliates of FCX. Many of these suits involve a large number of codefendants. Based on litigation results to date and facts currently known, FCX believes there is a reasonable possibility that losses may have been incurred related to these matters; however, FCX also believes that the amounts of any such losses, individually or in the aggregate, are not material to its consolidated financial statements. There can be no assurance that future developments will not alter this conclusion.

There has been a significant increase in the number of cases alleging the presence of asbestos contamination in talc-based cosmetic and personal care products and in cases alleging exposure to talc products that are not alleged to be contaminated with asbestos. The primary targets have been the producers of those products, but defendants in many of these cases also include talc miners. Cyprus Amax Minerals Company (CAMC), an indirect wholly owned subsidiary of FCX, and Cyprus Mines Corporation (Cyprus Mines), a wholly owned subsidiary of CAMC, are among those targets. Cyprus Mines was engaged in talc mining and processing from 1964 until 1992 when it exited
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its talc business by conveying it to a third party in two related transactions. Those transactions involved (1) a transfer by Cyprus Mines of the assets of its talc business to a newly formed subsidiary that assumed all pre-sale and post-sale talc liabilities, subject to limited reservations, and (2) a sale of the stock of that subsidiary to the third party. In 2011, the third party sold that subsidiary to Imerys Talc America (Imerys), an affiliate of Imerys S.A. In accordance with the terms of the 1992 transactions and subsequent agreements, Imerys undertook the defense and indemnification of Cyprus Mines and CAMC in talc lawsuits.

Cyprus Mines has contractual indemnification rights, subject to limited reservations, against Imerys, which has historically acknowledged those indemnification obligations and took responsibility for all cases tendered to it. However, in February 2019, Imerys filed for Chapter 11 bankruptcy protection, which triggered an immediate automatic stay under the federal bankruptcy code prohibiting any party from continuing or initiating litigation or asserting new claims against Imerys. As a result, Imerys stopped defending the talc lawsuits against Cyprus Mines and CAMC. In addition, Imerys took the position that it alone owns, and has the sole right to access, the proceeds of the legacy insurance coverage of Cyprus Mines and CAMC for talc liabilities. In March 2019, Cyprus Mines and CAMC challenged this position and obtained emergency relief from the bankruptcy court to gain access to the insurance until the question of ownership and contractual access could be decided in an adversary proceeding before the bankruptcy court, which is currently on hold.

On December 22, 2020, Imerys filed an amended bankruptcy plan disclosing a global settlement with Cyprus Mines and CAMC, which provides a framework for a full and comprehensive resolution of all current and future potential liabilities arising out of the Cyprus Mines talc business, including claims against FCX, its affiliates, Cyprus Mines, and CAMC.

In 2021, Imerys obtained an injunction temporarily staying approximately 950 talc-related lawsuits against CAMC and Cyprus Mines, which has been extended through June 2022. The interim stay is a component of the global settlement but there can be no assurance that the bankruptcy court will continue to impose the interim stay.

On January 23, 2021, Imerys filed the form of a settlement and release agreement to be entered into by CAMC, Cyprus Mines, FCX, Imerys and the other debtors, tort claimants’ committee and future claims representative in the Imerys bankruptcy. In accordance with the global settlement, among other things, (1) CAMC will pay a total of $130 million in cash to a settlement trust in seven annual installments, which will be guaranteed by FCX; (2) CAMC and Cyprus Mines and their affiliates will contribute to the settlement trust all rights that they have to the proceeds of certain legacy insurance policies as well as indemnity rights they have against Johnson & Johnson, and (3) Cyprus Mines will file for Chapter 11 bankruptcy protection with CAMC paying expenses of Cyprus Mines’ bankruptcy process, subject to certain limitations. On February 11, 2021, Cyprus Mines filed for Chapter 11 bankruptcy protection. In connection with executing the settlement and release agreement, FCX concluded that it has a probable loss and, in 2020, recorded a $130 million charge to environmental obligations and shutdown costs.

In October 2021, Johnson & Johnson announced it established a new subsidiary to hold and manage its cosmetic talc liabilities, which entity subsequently filed for Chapter 11 bankruptcy protection. This filing could further slow and complicate FCX’s efforts to implement a resolution.

FCX’s global settlement is subject to, among other things, votes by claimants in both the Imerys and Cyprus Mines bankruptcy cases as well as bankruptcy court approvals in both cases, and there can be no assurance that the global settlement will be successfully implemented. FCX has a $130 million liability balance at December 31, 2021, associated with the proposed settlement.

Tax and Other Matters. FCX’s operations are in multiple jurisdictions where uncertainties arise in the application of complex tax regulations. Some of these tax regimes are defined by contractual agreements with the local government, while others are defined by general tax laws and regulations. FCX and its subsidiaries are subject to reviews of its income tax filings and other tax payments, and disputes can arise with the taxing authorities over the interpretation of its contracts or laws. The final taxes paid may be dependent upon many factors, including negotiations with taxing authorities. In certain jurisdictions, FCX pays a portion of the disputed amount before formally appealing an assessment. Such payment is recorded as a receivable if FCX believes the amount is collectible.

Cerro Verde Royalty Dispute. SUNAT assessed mining royalties on ore processed by the Cerro Verde concentrator for the period from December 2006 to December 2013. No royalty assessments can be issued for the years after 2013, as Cerro Verde began paying royalties on all of its production in January 2014 under its new 15-year stability
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agreement. Cerro Verde contested each of these assessments because it believes that its 1998 stability agreement exempts from royalties all minerals extracted from its mining concession, irrespective of the method used for processing such minerals.

Since 2014, Cerro Verde has been paying under protest the disputed assessments mostly under installment payment programs provided under Peruvian law. During 2021, Cerro Verde made payments totaling $421 million, which was the balance of its royalty dispute liabilities.

On February 28, 2020, FCX filed on its own behalf and on behalf of Cerro Verde international arbitration proceedings against the Government of Peru under the United States-Peru Trade Promotion Agreement. The hearing on the merits is scheduled to take place in May 2023. In April 2020, SMM Cerro Verde Netherlands B.V., another shareholder of Cerro Verde, filed another international arbitration proceeding against the Government of Peru under the Netherlands-Peru Bilateral Investment Treaty. The hearing on the merits is scheduled to take place in February 2023.
    
Other Peru Tax Matters. Cerro Verde has also received assessments from SUNAT for additional taxes, penalties and interest related to various audit exceptions for income and other taxes. Cerro Verde has filed or will file objections to the assessments because it believes it has properly determined and paid its taxes. A summary of these assessments follows:
Tax YearTax Assessment
Penalties and Interest
Total
2003 to 2008$48 $130 $178 
200956 52 108 
201054 122 176 
2011 and 201241 72 113 
201348 65 113 
2014 to 201628 33 
$252 $469 $721 

As of December 31, 2021, Cerro Verde had paid $642 million on these disputed tax assessments. A reserve has been applied against these payments totaling $405 million, resulting in a net receivable of $237 million (included in other assets), which Cerro Verde believes is collectible.

Cerro Verde’s income tax assessments, penalties and interest included in the table above totaled $0.6 billion at December 31, 2021, of which $0.3 billion has not been recorded.

Indonesia Tax Matters. PT-FI has received assessments from the Indonesia tax authorities for additional taxes and interest related to various audit exceptions for income and other taxes. PT-FI has filed objections to the assessments because it believes it has properly determined and paid its taxes. Excluding surface water tax assessments discussed below and the Indonesia government’s previous imposition of a 7.5 percent export duty that PT-FI paid under protest during the period April 2017 to December 21, 2018 (refer to Note 13), a summary of these assessments, including potential penalties follows:
Tax YearTax AssessmentPenalties and InterestTotal
2005$62 $30 $92 
200748 23 71 
2008 and 201128 36 64 
2012 and 201341 43 84 
2014 and 2015121 — 121 
2016257 483 740 
2017 and 201948 47 95 
$605 $662 $1,267 

As of December 31, 2021, PT-FI had paid $278 million on these disputed tax assessments. A reserve has been applied against these payments totaling $221 million, resulting in a net receivable of $57 million (included in other assets).

PT-FI’s income tax assessments, penalties and interest included in the table above totaled $1.1 billion at December 31, 2021, of which $0.5 billion has not been recorded.
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Surface Water Taxes. PT-FI received assessments from the local regional tax authority in Papua, Indonesia, for additional taxes and penalties related to surface water taxes for the period from January 2011 through December 2018. As a result, PT-FI offered to pay one trillion rupiah to settle these historical surface water tax disputes and charged $69 million to production and delivery costs in December 2018. In May 2019, PT-FI agreed to a final settlement of 1.394 trillion rupiah (approximately $99 million) and recorded an incremental charge of $28 million. PT-FI paid 708.5 billion rupiah ($50 million) in October 2019, and paid the balance of 685.5 billion rupiah ($48 million) during 2021.

Export Duty Matter. In April 2017, PT-FI entered into a memorandum of understanding with the Indonesia government (the 2017 MOU) confirming that the former contract of work (COW) would continue to be valid and honored until replaced by a mutually agreed IUPK and investment stability agreement and agreed to continue to pay export duties of 5 percent on copper concentrate export sales until completion of the divestment and new IUPK. Subsequently, the Customs Office of the Minister of Finance refused to recognize the 5 percent export duty agreed to under the 2017 MOU and imposed a 7.5 percent export duty under the Ministry of Finance regulations. PT-FI paid $155 million for these duties under protest and appealed the disputed amounts to the Indonesia Tax Court. The Indonesia Tax Court subsequently ruled in favor of PT-FI related to the cases involving $29 million of the disputed amounts, which were refunded by the Indonesia Customs Office to PT-FI. The Indonesia Customs Office appealed the Indonesia Tax Court decisions on these cases to the Indonesia Supreme Court. On October 29, 2019, the Indonesia Supreme Court posted on its website rulings unfavorable to PT-FI for certain of the appealed cases involving approximately half of the $29 million that had been refunded to PT-FI. As a result of the October 2019 ruling, FCX recorded a charge of $155 million in 2019 to fully reserve for this matter.

Withholding Tax Assessments. In January 2019, the Indonesia Supreme Court posted on its website an unfavorable decision related to a PT-FI 2005 withholding tax matter. PT-FI had also received an unfavorable Indonesia Supreme Court decision in November 2017. PT-FI currently has other pending cases at the Indonesia Supreme Court related to withholding taxes for employees and other service providers for the year 2005 and the year 2007, which total $47 million (based on the exchange rate as of December 31, 2021, and included in accounts payable and accrued liabilities in the consolidated balance sheet at December 31, 2021), including penalties and interest.

Smelter Development Progress. As a result of COVID-19 mitigation measures, there have been disruptions to work and travel schedules of international contractors and restrictions on access to the proposed physical site of the greenfield smelter in Gresik, Indonesia. PT-FI continues to discuss with the Indonesia government a deferred schedule for the greenfield smelter in light of the ongoing COVID-19 pandemic. Refer to Note 13 for discussion of PT-FI’s commitment for the development of additional smelting capacity in Indonesia under the terms of its IUPK.

On January 7, 2021, the Indonesia government levied an administrative fine of $149 million for the period from March 30, 2020, through September 30, 2020, on PT-FI for failing to achieve physical development progress on the greenfield smelter as of July 31, 2020. On January 13, 2021, PT-FI responded to the Indonesia government objecting to the fine because of events outside of its control causing a delay of the greenfield smelter’s development progress. PT-FI believes that its communications during 2020 with the Indonesia government were not properly considered before the administrative fine was levied.

In June 2021, the Indonesia government issued a ministerial decree for the calculation of an administrative fine for lack of smelter development in light of the COVID-19 pandemic. During 2021, PT-FI recorded charges totaling $16 million for a potential settlement of the administrative fine. On January 25, 2022, the Indonesia government submitted a new estimate of the administrative fine totaling $57 million. On February 15, 2022, PT-FI responded to the Indonesia government with a revised calculation of $37 million. PT-FI expects to record a charge in the first quarter of 2022 for an amount in excess of the previously recorded $16 million.

Letters of Credit, Bank Guarantees and Surety Bonds.  Letters of credit and bank guarantees totaled $239 million at December 31, 2021, primarily associated with environmental obligations, AROs and for copper concentrate shipments from PT-FI to Atlantic Copper as required by Indonesia regulations. In addition, FCX had surety bonds totaling $492 million at December 31, 2021, primarily associated with environmental obligations and AROs.

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Insurance.  FCX purchases a variety of insurance products to mitigate potential losses, which typically have specified deductible amounts or self-insured retentions and policy limits. FCX generally is self-insured for U.S. workers’ compensation, but purchases excess insurance up to statutory limits. An actuarial analysis is performed twice a year on the various casualty insurance programs covering FCX’s U.S.-based mining operations, including workers’ compensation, to estimate expected losses. At December 31, 2021, FCX’s liability for expected losses under these insurance programs totaled $62 million, which consisted of a current portion of $11 million (included in accounts payable and accrued liabilities) and a long-term portion of $51 million (included in other liabilities). In addition, FCX has receivables of $26 million (a current portion of $7 million included in other accounts receivable and a long-term portion of $19 million included in other assets) for expected claims associated with these losses to be filed with insurance carriers.

FCX’s oil and gas operations are subject to all of the risks normally incidental to the production of oil and gas, including well blowouts, cratering, explosions, oil spills, releases of gas or well fluids, fires, pollution and releases of toxic gas, each of which could result in damage to or destruction of oil and gas wells, production facilities or other property, or injury to persons. While FCX is not fully insured against all risks related to its oil and gas operations, its insurance policies provide limited coverage for losses or liabilities relating to pollution, with broader coverage for sudden and accidental occurrences. FCX is self-insured for named windstorms in the GOM.

NOTE 13.  COMMITMENTS AND GUARANTEES
Leases. Effective January 1, 2019, FCX adopted the new Accounting Standards Update (ASU) for lease accounting, and nearly all of FCX’s leases were considered operating leases under the new ASU. FCX leases various types of properties, including land, offices and equipment under non-cancelable leases.

The components of FCX’s leases presented in the consolidated balance sheet for the years ended December 31 follow:
December 31,
20212020
Lease right-of-use assets (included in property, plant, equipment and mine development costs, net)
$277 $207 
Short-term lease liabilities (included in accounts payable and accrued liabilities)
$38 $38 
Long-term lease liabilities (included in other liabilities)281 
a
190 
Total lease liabilities
$319 $228 
a.Includes a land lease by PT-FI for the greenfield smelter totaling $126 million. This is FCX’s only significant finance lease.

Operating lease costs, primarily included in production and delivery expense in the consolidated statement of operations, for the two years ended December 31 follow:
202120202019
Operating leases$42 $42 $55 
Variable and short-term leases62 74 79 
Total operating lease costs
$104 $116 $134 

FCX payments included in operating cash flows for its lease liabilities totaled $54 million in 2021, $36 million in 2020 and $38 million in 2019. FCX payments included in financing cash flows for its lease liabilities totaled $25 million in 2021 and $4 million in both 2020 and 2019. As of December 31, 2021, the weighted-average discount rate used to determine the lease liabilities was 4.2 percent (5.4 percent as of December 31, 2020) and the weighted-average remaining lease term was 12.4 years (7.7 years as of December 31, 2020).


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The future minimum payments for leases presented in the consolidated balance sheet at December 31, 2021, follow:
2022$46 
202335 
202473 
202527 
202624 
Thereafter194 
Total payments399 
Less amount representing interest(80)
Present value of net minimum lease payments319 
Less current portion(38)
Long-term portion$281 

Contractual Obligations.  At December 31, 2021, based on applicable prices on that date, FCX has unconditional purchase obligations (including take-or-pay contracts with terms less than one year) of $4.3 billion, primarily comprising the procurement of copper concentrate ($3.1 billion), transportation services ($0.4 billion) and electricity ($0.3 billion). Some of FCX’s unconditional purchase obligations are settled based on the prevailing market rate for the service or commodity purchased. In some cases, the amount of the actual obligation may change over time because of market conditions. Obligations for copper concentrate provide for deliveries of specified volumes to Atlantic Copper at market-based prices. Transportation obligations are primarily for South America contracted ocean freight. Electricity obligations are primarily for long-term power purchase agreements in North America and contractual minimum demand at the South America mines.

FCX’s unconditional purchase obligations by year total $1.6 billion in 2022, $1.5 billion in 2023, $0.5 billion in 2024, $0.2 billion in 2025, $0.2 billion in 2026 and $0.3 billion thereafter. During the three-year period ended December 31, 2021, FCX fulfilled its minimum contractual purchase obligations.

IUPK - Indonesia. On December 21, 2018, FCX completed the transaction with the Indonesia government regarding PT-FI’s long-term mining rights and share ownership. Concurrent with the closing of the transaction, the Indonesia government granted PT-FI an IUPK to replace its former COW, enabling PT-FI to conduct operations in the Grasberg minerals district through 2041. Under the terms of the IUPK, PT-FI has been granted an extension of mining rights through 2031, with rights to extend mining rights through 2041, subject to PT-FI completing the development of additional smelting capacity in Indonesia by the end of 2023 (an extension of which has been requested due to COVID-19 mitigation measures subject to the approval of the Indonesia government, refer to Note 12), and fulfilling its defined fiscal obligations to the Indonesia government. The IUPK, and related documentation, contains legal and fiscal terms and is legally enforceable through 2041, assuming the additional extension is received. In addition, FCX, as a foreign investor, has rights to resolve investment disputes with the Indonesia government through international arbitration.

The key fiscal terms set forth in the IUPK include a 25 percent corporate income tax rate, a 10 percent profits tax on net income, and royalty rates of 4 percent for copper, 3.75 percent for gold and 3.25 percent for silver. PT-FI’s royalties totaled $319 million in 2021, $160 million in 2020 and $106 million in 2019.

Dividend distributions from PT-FI to FCX totaled $1.0 billion in 2021 and are subject to a 10 percent withholding tax. There were no dividend distributions from PT-FI to FCX in 2020 or 2019.

The IUPK requires PT-FI to pay export duties of 5 percent, declining to 2.5 percent when smelter development progress exceeds 30 percent and eliminated when development progress for additional smelting capacity in Indonesia exceeds 50 percent. PT-FI had previously agreed to and has been paying export duties since July 2014 (refer to Note 12 for further discussion of disputed export duties). PT-FI’s export duties charged against revenues totaled $218 million in 2021, $92 million in 2020 and $66 million in 2019 (excluding $155 million associated with the historical export duty matter discussed in Note 12).

The IUPK also requires PT-FI to pay surface water taxes of $15 million annually, which began in 2019 and are recognized in production and delivery costs.

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In connection with a memorandum of understanding previously entered into with the Indonesia government in July 2014, PT-FI provided an assurance bond to support its commitment to construct a greenfield smelter in Indonesia ($132 million based on exchange rate as of December 31, 2021).

In March 2021, PT-FI received a one-year extension of its export license through March 15, 2022. In December 2021, PT Smelting received a twelve-month extension of its anodes slimes export license, which expires December 9, 2022, subject to review and approval by the Indonesia government every six months.

Chiyoda Contract. In July 2021, PT-FI awarded a construction contract to Chiyoda for the construction of a greenfield smelter in Gresik, Indonesia with an estimated contract cost of $2.8 billion. During 2021, PT-FI progressed site preparation activities and expects engineering procurement and construction activities to advance during 2022 and 2023. Construction of the greenfield smelter is expected to be completed as soon as feasible in 2024, which is subject to no additional COVID-19-related disruptions and other factors.

PT-FI Tolling Agreement. PT-FI entered into a tolling agreement with PT Smelting that will be effective January 1, 2023, and will replace the current concentrate sales agreements between PT-FI and PT Smelting. Under the tolling agreement, PT-FI will pay PT Smelting to smelt and refine its concentrate and will retain title to all products for sale to third parties.

Indemnification. The PT-FI divestment agreement, discussed in Note 3, provides that FCX will indemnify PT Inalum and PTI from any losses (reduced by receipts) arising from any tax disputes of PT-FI disclosed to PT Inalum in a Jakarta, Indonesia tax court letter limited to PTI’s respective percentage share at the time the loss is finally incurred. Any net obligations arising from any tax settlement would be paid on December 21, 2025. FCX had accrued $78 million as of December 31, 2021, and $42 million as of December 31, 2020, (included in other liabilities in the consolidated balance sheets) related to this indemnification.

Community Development Programs.  FCX has adopted policies that govern its working relationships with the communities where it operates. These policies are designed to guide its practices and programs in a manner that respects and promotes basic human rights and the culture of the local people impacted by FCX’s operations. FCX continues to make significant expenditures on community development, education, training and cultural programs.

In 1996, PT-FI established the Freeport Partnership Fund for Community Development (Partnership Fund) through which PT-FI has made available funding and technical assistance to support community development initiatives in the areas of health, education, economic development and local infrastructure of the area. Throughout 2019, PT-FI consulted with key stakeholders to restructure the management of the Partnership Fund in compliance with PT-FI’s IUPK. Throughout the restructuring process, PT-FI continued its contributions to ensure no disruptions in implementation of approved projects. Beginning in February 2020, the Partnership Fund is managed by a legally-recognized Indonesia foundation (Yayasan Pemberdayaan Masyarakat Amungme dan Kamoro, or YPMAK). PT-FI charged $75 million in 2021, $36 million in 2020 and $28 million in 2019 to cost of sales for this commitment.

Guarantees.  FCX provides certain financial guarantees (including indirect guarantees of the indebtedness of others) and indemnities.

Prior to its acquisition by FCX, FMC and its subsidiaries have, as part of merger, acquisition, divestiture and other transactions, from time to time, indemnified certain sellers, buyers or other parties related to the transaction from and against certain liabilities associated with conditions in existence (or claims associated with actions taken) prior to the closing date of the transaction. As part of these transactions, FMC indemnified the counterparty from and against certain excluded or retained liabilities existing at the time of sale that would otherwise have been transferred to the party at closing. These indemnity provisions generally now require FCX to indemnify the party against certain liabilities that may arise in the future from the pre-closing activities of FMC for assets sold or purchased. The indemnity classifications include environmental, tax and certain operating liabilities, claims or litigation existing at closing and various excluded liabilities or obligations. Most of these indemnity obligations arise from transactions that closed many years ago, and given the nature of these indemnity obligations, it is not possible to estimate the maximum potential exposure. Except as described in the following sentence, FCX does not consider any of such obligations as having a probable likelihood of payment that is reasonably estimable, and accordingly, has not recorded any obligations associated with these indemnities. With respect to FCX’s environmental indemnity obligations, any expected costs from these guarantees are accrued when potential environmental obligations are considered by management to be probable and the costs can be reasonably estimated.

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NOTE 14.  FINANCIAL INSTRUMENTS
FCX does not purchase, hold or sell derivative financial instruments unless there is an existing asset or obligation, or it anticipates a future activity that is likely to occur and will result in exposure to market risks, which FCX intends to offset or mitigate. FCX does not enter into any derivative financial instruments for speculative purposes, but has entered into derivative financial instruments in limited instances to achieve specific objectives. These objectives principally relate to managing risks associated with commodity price changes, foreign currency exchange rates and interest rates.

Commodity Contracts.  From time to time, FCX has entered into derivative contracts to hedge the market risk associated with fluctuations in the prices of commodities it purchases and sells. Derivative financial instruments used by FCX to manage its risks do not contain credit risk-related contingent provisions.

In April 2020, FCX entered into forward sales contracts for 150 million pounds of copper for settlement in May and June of 2020. The forward sales provided for fixed pricing of $2.34 per pound of copper on approximately 60 percent of North America's sales volumes for May and June 2020. These contracts resulted in hedging losses totaling $24 million for the year ended December 31, 2020. There were no remaining forward sales contracts after June 30, 2020.

A discussion of FCX’s other derivative contracts and programs follows.

Derivatives Designated as Hedging Instruments - Fair Value Hedges
Copper Futures and Swap Contracts. Some of FCX’s U.S. copper rod and cathode customers request a fixed market price instead of the COMEX average copper price in the month of shipment. FCX hedges this price exposure in a manner that allows it to receive the COMEX average price in the month of shipment while the customers pay the fixed price they requested. FCX accomplishes this by entering into copper futures or swap contracts. Hedging gains or losses from these copper futures and swap contracts are recorded in revenues. FCX did not have any significant gains or losses resulting from hedge ineffectiveness during the year ended December 31, 2021. At December 31, 2021, FCX held copper futures and swap contracts that qualified for hedge accounting for 78 million pounds at an average contract price of $4.30 per pound, with maturities through October 2023.

A summary of gains (losses) recognized in revenues for derivative financial instruments related to commodity contracts that are designated and qualify as fair value hedge transactions, including the unrealized gains (losses) on the related hedged item follows (in millions):
 202120202019
Copper futures and swap contracts:
Unrealized (losses) gains:
Derivative financial instruments$(4)$$15 
Hedged item - firm sales commitments(9)(15)
Realized gains (losses):
Matured derivative financial instruments
65 22 (8)
Derivatives Not Designated as Hedging Instruments
Embedded Derivatives. Certain FCX concentrate, copper cathode and gold sales contracts provide for provisional pricing primarily based on the LME copper price or the COMEX copper price and the London gold price at the time of shipment as specified in the contract. FCX receives market prices based on prices in the specified future month, which results in price fluctuations recorded in revenues until the date of settlement. FCX records revenues and invoices customers at the time of shipment based on then-current LME or COMEX copper prices and the London gold prices as specified in the contracts, which results in an embedded derivative (i.e., a pricing mechanism that is finalized after the time of delivery) that is required to be bifurcated from the host contract. The host contract is the sale of the metals contained in the concentrate or cathode at the then-current LME or COMEX copper price and the London gold price. FCX applies the normal purchases and normal sales scope exception in accordance with derivatives and hedge accounting guidance to the host contract in its concentrate or cathode sales agreements since these contracts do not allow for net settlement and always result in physical delivery. The embedded derivative does not qualify for hedge accounting and is adjusted to fair value through earnings each period, using the period-end LME or COMEX copper forward prices and the adjusted London gold price, until the date of final pricing. Similarly, FCX purchases copper under contracts that provide for provisional pricing. Mark-to-market price
159

fluctuations from these embedded derivatives are recorded through the settlement date and are reflected in revenues for sales contracts and in inventory for purchase contracts.

A summary of FCX’s embedded derivatives at December 31, 2021, follows:
OpenAverage Price
Per Unit
Maturities
 PositionsContractMarketThrough
Embedded derivatives in provisional sales contracts:    
Copper (millions of pounds)682 $4.37 $4.42 July 2022
Gold (thousands of ounces)223 1,797 1,822 March 2022
Embedded derivatives in provisional purchase contracts:    
Copper (millions of pounds)132 4.38 4.42 April 2022

Copper Forward Contracts. Atlantic Copper enters into copper forward contracts designed to hedge its copper price risk whenever its physical purchases and sales pricing periods do not match. These economic hedge transactions are intended to hedge against changes in copper prices, with the mark-to-market hedging gains or losses recorded in production and delivery costs. At December 31, 2021, Atlantic Copper held net copper forward sales contracts for 2 million pounds at an average contract price of $4.53 per pound, with maturities through March 2022.

Summary of Gains (Losses). A summary of the realized and unrealized gains (losses) recognized in operating income for commodity contracts that do not qualify as hedge transactions, including embedded derivatives, follows (in millions):
 202120202019
Embedded derivatives in provisional sales contractsa:
 Copper$425 $259 $34 
 Gold and other(2)45 20 
Copper forward contractsb
(15)(7)
a.Amounts recorded in revenues.
b.Amounts recorded in cost of sales as production and delivery costs.

Unsettled Derivative Financial Instruments
A summary of the fair values of unsettled commodity derivative financial instruments follows:
 December 31,
 20212020
Commodity Derivative Assets:
Derivatives designated as hedging instruments:  
Copper futures and swap contracts$12 $15 
Derivatives not designated as hedging instruments:  
Embedded derivatives in provisional sales/purchase contracts64 169 
Copper forward contracts— 
Total derivative assets$77 $184 
Commodity Derivative Liabilities:  
Derivatives not designated as hedging instruments:
Embedded derivatives in provisional sales/purchase contracts$27 $21 
Copper forward contracts— 
Total derivative liabilities$28 $21 

FCX’s commodity contracts have netting arrangements with counterparties with which the right of offset exists, and it is FCX’s policy to generally offset balances by contract on its balance sheet. FCX’s embedded derivatives on provisional sales/purchase contracts are netted with the corresponding outstanding receivable/payable balances.


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A summary of these unsettled commodity contracts that are offset in the balance sheet follows (in millions):
Assets at December 31,Liabilities at December 31,
2021202020212020
Gross amounts recognized:
Commodity contracts:
Embedded derivatives in provisional
sales/purchase contracts$64 $169 $27 $21 
Copper derivatives13 15 — 
77 184 28 21 
Less gross amounts of offset:
Commodity contracts:
Embedded derivatives in provisional
sales/purchase contracts
Copper derivatives— — 
Net amounts presented in balance sheet:
Commodity contracts:
Embedded derivatives in provisional
sales/purchase contracts61 168 24 20 
Copper derivatives12 15 — — 
$73 $183 $24 $20 
Balance sheet classification:
Trade accounts receivable$51 $168 $14 $— 
Other current assets12 15 — — 
Accounts payable and accrued liabilities10 — 10 20 
$73 $183 $24 $20 

Credit Risk. FCX is exposed to credit loss when financial institutions with which it has entered into derivative transactions (commodity, foreign exchange and interest rate swaps) are unable to pay. To minimize the risk of such losses, FCX uses counterparties that meet certain credit requirements and periodically reviews the creditworthiness of these counterparties. As of December 31, 2021, the maximum amount of credit exposure associated with derivative transactions was $77 million.

Other Financial Instruments. Other financial instruments include cash and cash equivalents, restricted cash, restricted cash equivalents, accounts receivable, investment securities, legally restricted funds, accounts payable and accrued liabilities, dividends payable and debt. The carrying value for cash and cash equivalents (which included time deposits of $0.2 billion at December 31, 2021, and $0.3 billion at December 31, 2020), restricted cash, restricted cash equivalents, accounts receivable, accounts payable and accrued liabilities, and dividends payable approximates fair value because of their short-term nature and generally negligible credit losses (refer to Note 15 for the fair values of investment securities, legally restricted funds and debt).

In addition, as of December 31, 2021, FCX has contingent consideration assets related to the sales of certain oil and gas properties (refer to Note 15 for the related fair values).


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Trade Accounts Receivable Agreements. In first-quarter 2021, PT-FI entered into agreements to sell certain trade accounts receivables to unrelated third-party financial institutions. The agreements were entered into in the normal course of business to fund the working capital for the additional quantity of copper to be supplied by PT-FI to PT Smelting. The balances sold under the agreements were excluded from trade accounts receivable on the consolidated balance sheet at December 31, 2021. Receivables are considered sold when (i) they are transferred beyond the reach of PT-FI and its creditors, (ii) the purchaser has the right to pledge or exchange the receivables, and (iii) PT-FI has no continuing involvement in the transferred receivables. In addition, PT-FI provides no other forms of continued financial support to the purchaser of the receivables once the receivables are sold.

Gross amounts sold under these arrangements totaled $431 million in 2021. Discounts on the sold receivables totaled $2 million in 2021.

Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents. The following table provides a reconciliation of total cash, cash equivalents, restricted cash and restricted cash equivalents presented in the consolidated statements of cash flows (in millions):
December 31,
20212020
Balance sheet components:
Cash and cash equivalents$8,068 $3,657 
Restricted cash and restricted cash equivalents included in:
Other current assets114 97 
Other assets132 149 
Total cash, cash equivalents, restricted cash and restricted cash equivalents presented in the consolidated statements of cash flows
$8,314 $3,903 

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NOTE 15.  FAIR VALUE MEASUREMENT
Fair value accounting guidance includes a hierarchy that prioritizes the inputs to valuation techniques used to measure fair value. The hierarchy gives the highest priority to unadjusted quoted prices in active markets for identical assets or liabilities (Level 1) and the lowest priority to unobservable inputs (Level 3). FCX did not have any significant transfers in or out of Level 3 for 2021.

FCX’s financial instruments are recorded on the consolidated balance sheets at fair value except for contingent consideration associated with the sale of the Deepwater GOM oil and gas properties (which was recorded under the loss recovery approach) and debt. A summary of the carrying amount and fair value of FCX’s financial instruments (including those measured at NAV as a practical expedient), other than cash and cash equivalents, restricted cash, restricted cash equivalents, accounts receivable, accounts payable and accrued liabilities, and dividends payable (refer to Note 14) follows:
 At December 31, 2021
CarryingFair Value
 AmountTotalNAVLevel 1Level 2Level 3
Assets    
Investment securities:a,b
    
Equity securities$50 $50 $— $50 $— $— 
U.S. core fixed income fund29 29 29 — — — 
Total79 79 29 50 — — 
Legally restricted funds:a
    
U.S. core fixed income fund64 64 64 — — — 
Government bonds and notes53 53 — — 53 — 
Corporate bonds45 45 — — 45 — 
Government mortgage-backed securities20 20 — — 20 — 
Asset-backed securities18 18 — — 18 — 
Money market funds— — — 
Municipal bonds— — — 
Total209 209 64 137 — 
Derivatives:
Embedded derivatives in provisional sales/purchase
contracts in a gross asset positionc
64 64 — — 64 — 
Copper futures and swap contractsc
12 12 — — 
Copper forward contractsc
— — — 
Total77 77 — 10 67 — 
Contingent consideration for the sale of the
Deepwater GOM oil and gas propertiesa
90 81 — — — 81 
Liabilities    
Derivatives:c
    
Embedded derivatives in provisional sales/purchase
contracts in a gross liability position27 27 — — 27 — 
Copper forward contracts— — — 
Total28 28 — 27 — 
Long-term debt, including current portiond
9,450 10,630 — — 10,630 — 
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At December 31, 2020
 CarryingFair Value
 AmountTotalNAVLevel 1Level 2Level 3
Assets    
Investment securities:a,b
    
U.S. core fixed income fund$29 $29 $29 $— $— $— 
Equity securities— — — 
Total 36 36 29 — — 
Legally restricted funds:a
    
U.S. core fixed income fund65 65 65 — — — 
Government bonds and notes49 49 — — 49 — 
Corporate bonds43 43 — — 43 — 
Government mortgage-backed securities30 30 — — 30 — 
Asset-backed securities16 16 — — 16 — 
Money market funds— — — 
Collateralized mortgage-backed securities— — — 
Municipal bonds— — — 
Total213 213 65 143 — 
Derivatives:    
Embedded derivatives in provisional sales/purchase
contracts in a gross asset positionc
169 169 — — 169 — 
Copper futures and swap contractsc
15 15 — 13 — 
Total184 184 — 13 171 — 
Contingent consideration for the sale of the
Deepwater GOM oil and gas propertiesa
108 88 — — — 88 
Liabilities    
Derivatives:c
    
Embedded derivatives in provisional sales/purchase
contracts in a gross liability position21 21 — — 21 — 
Long-term debt, including current portiond
9,711 10,994 — — 10,994 — 
a.Current portion included in other current assets and long-term portion included in other assets.
b.Excludes time deposits (which approximated fair value) included in (i) other current assets of $114 million at December 31, 2021, and $97 million at December 31, 2020, and (ii) other assets of $132 million at December 31, 2021, and $148 million at December 31, 2020, primarily associated with an assurance bond to support PT-FI’s commitment for the development of a greenfield smelter in Indonesia (refer to Note 13 for further discussion) and PT-FI’s closure and reclamation guarantees (refer to Note 12 for further discussion).
c.Refer to Note 14 for further discussion and balance sheet classifications.
d.Recorded at cost except for debt assumed in acquisitions, which are recorded at fair value at the respective acquisition dates.

Valuation Techniques. Equity securities are valued at the closing price reported on the active market on which the individual securities are traded and, as such, are classified within Level 1 of the fair value hierarchy.

The U.S. core fixed income fund is valued at NAV. The fund strategy seeks total return consisting of income and capital appreciation primarily by investing in a broad range of investment-grade debt securities, including U.S. government obligations, corporate bonds, mortgage-backed securities, asset-backed securities and money market instruments. There are no restrictions on redemptions (which are usually within one business day of notice).

Fixed income securities (government securities, corporate bonds, asset-backed securities, collateralized mortgage-backed securities and municipal bonds) are valued using a bid-evaluation price or a mid-evaluation price. These evaluations are based on quoted prices, if available, or models that use observable inputs and, as such, are classified within Level 2 of the fair value hierarchy.

Money market funds are classified within Level 1 of the fair value hierarchy because they are valued using quoted market prices in active markets.
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FCX’s embedded derivatives on provisional copper concentrate, copper cathode and gold purchases and sales are valued using only quoted monthly LME or COMEX copper forward prices and the adjusted London gold prices at each reporting date based on the month of maturity (refer to Note 14 for further discussion); however, FCX’s contracts themselves are not traded on an exchange. As a result, these derivatives are classified within Level 2 of the fair value hierarchy.

FCX’s derivative financial instruments for copper futures and swap contracts and copper forward contracts that are traded on the respective exchanges are classified within Level 1 of the fair value hierarchy because they are valued using quoted monthly COMEX or LME prices at each reporting date based on the month of maturity (refer to Note 14 for further discussion). Certain of these contracts are traded on the over-the-counter market and are classified within Level 2 of the fair value hierarchy based on COMEX and LME forward prices.

In December 2016, FCX’s sale of its Deepwater GOM oil and gas properties included up to $150 million in contingent consideration that was recorded at the total amount under the loss recovery approach. The contingent consideration is being received over time as future cash flows are realized from a third-party production handling agreement for an offshore platform, with the related payments commencing in third-quarter 2018. The contingent consideration included in (i) other current assets totaled $20 million at December 31, 2021, and $12 million at December 31, 2020, and (ii) other assets totaled $70 million at December 31, 2021, and $96 million at December 31, 2020. The fair value of this contingent consideration was calculated based on a discounted cash flow model using inputs that include third-party estimates for reserves, production rates and production timing, and discount rates. Because significant inputs are not observable in the market, the contingent consideration is classified within Level 3 of the fair value hierarchy.

Long-term debt, including current portion, is primarily valued using available market quotes and, as such, is classified within Level 2 of the fair value hierarchy.

The techniques described above may produce a fair value that may not be indicative of NRV or reflective of future fair values. Furthermore, while FCX believes its valuation techniques are appropriate and consistent with other market participants, the use of different techniques or assumptions to determine fair value of certain financial instruments could result in a different fair value measurement at the reporting date. There have been no changes in the techniques used at December 31, 2021, as compared to those techniques used at December 31, 2020.

A summary of the changes in the fair value of FCXs Level 3 instrument, contingent consideration for the sale of the Deepwater GOM oil and gas properties, for the years ended December 31 follows:
202120202019
Balance at beginning of year$88 $108 $127 
Net unrealized gains (losses) related to assets still held at the end of the year12 (6)
Settlements(19)(14)(21)
Balance at end of year$81 $88 $108 

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NOTE 16.  BUSINESS SEGMENT INFORMATION
Product Revenues. FCX’s revenues attributable to the products it sold for the years ended December 31 follow:
 202120202019
Copper:
Concentrate$8,705 $4,294 $4,566 
Cathode5,900 4,204 3,656 
Rod and other refined copper products3,369 2,052 2,110 
Purchased coppera
757 821 1,060 
Gold2,580 1,702 1,620 
Molybdenum1,283 848 1,169 
Otherb
821 592 905 
Adjustments to revenues:
Treatment charges(445)(362)(404)
Royalty expensec
(330)(165)(113)
Export dutiesd
(218)(92)(221)
Revenues from contracts with customers22,422 13,894 14,348 
Embedded derivativese
423 304 54 
Total consolidated revenues$22,845 $14,198 $14,402 
a.FCX purchases copper cathode primarily for processing by its Rod & Refining operations.
b.Primarily includes revenues associated with silver and cobalt.
c.Reflects royalties on sales from PT-FI and Cerro Verde that will vary with the volume of metal sold and prices.
d.Reflects PT-FI export duties. The year 2019 includes charges totaling $155 million primarily associated with an unfavorable Indonesia Supreme Court ruling related to certain disputed export duties (refer to Note 12).
e.Refer to Note 14 for discussion of embedded derivatives related to FCX’s provisionally priced concentrate and cathode sales contracts.

Geographic Area. Information concerning financial data by geographic area follows:
December 31,
 20212020
Long-lived assets:a
  
Indonesia$16,288 $15,567 
U.S.8,292 8,420 
Peru6,827 6,989 
Chile1,110 1,172 
Other261 290 
Total$32,778 $32,438 
a.Excludes deferred tax assets and intangible assets.
Years Ended December 31,
 202120202019
Revenues:a
   
U.S.$7,168 $5,248 $5,107 
Switzerland3,682 2,032 2,223 
Indonesia3,132 1,760 1,894 
Japan2,372 1,205 1,181 
Spain1,495 785 884 
China1,044 692 531 
United Kingdom 659 491 233 
Germany469 248 311 
Chile343 221 242 
Korea270 89 140 
Egypt268 153 123 
Philippines264 34 73 
India207 152 107 
Other1,472 1,088 1,353 
Total$22,845 $14,198 $14,402 
a.Revenues are attributed to countries based on the location of the customer.
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Major Customers and Affiliated Companies. Copper concentrate sales to PT Smelting totaled 14 percent of FCX’s consolidated revenues in 2021, 12 percent in 2020 and 13 percent in 2019, and they are the only customer that accounted for 10 percent or more of FCX’s consolidated revenues during the three years ended December 31, 2021.

Consolidated revenues include sales to the noncontrolling interest owners of FCX’s South America mining operations totaling $1.4 billion in 2021, $0.9 billion in 2020 and $1.0 billion in 2019, and PT-FI’s sales to PT Smelting totaling $3.1 billion in 2021, $1.8 billion in 2020 and $1.9 billion in 2019.

Labor Matters. As of December 31, 2021, approximately 31 percent of FCX’s global labor force was covered by collective bargaining agreements, and approximately 14 percent was covered by agreements that will or were scheduled to expire during 2022. In February 2022, PT-FI completed negotiations with its unions on a new two-year collective bargaining agreement that is effective through March 2024.

Business Segments. FCX has organized its mining operations into four primary divisions - North America copper mines, South America mining, Indonesia mining and Molybdenum mines, and operating segments that meet certain thresholds are reportable segments. Separately disclosed in the following tables are FCX’s reportable segments, which include the Morenci, Cerro Verde and Grasberg (Indonesia Mining) copper mines, the Rod & Refining operations and Atlantic Copper Smelting & Refining.

Intersegment sales between FCX’s business segments are based on terms similar to arms-length transactions with third parties at the time of the sale. Intersegment sales may not be reflective of the actual prices ultimately realized because of a variety of factors, including additional processing, timing of sales to unaffiliated customers and transportation premiums.

FCX defers recognizing profits on sales from its mines to other segments, including Atlantic Copper Smelting & Refining and on PT-FI’s sales to PT Smelting (on 25.0 percent prior to April 30, 2021, and 39.5 percent thereafter) until final sales to third parties occur. Quarterly variations in ore grades, the timing of intercompany shipments and changes in product prices result in variability in FCX’s net deferred profits and quarterly earnings.

FCX allocates certain operating costs, expenses and capital expenditures to its operating divisions and individual segments. However, not all costs and expenses applicable to an operation are allocated. U.S. federal and state income taxes are recorded and managed at the corporate level (included in Corporate, Other & Eliminations), whereas foreign income taxes are recorded and managed at the applicable country level. In addition, most mining exploration and research activities are managed on a consolidated basis, and those costs, along with some selling, general and administrative costs, are not allocated to the operating divisions or individual segments. Accordingly, the following Financial Information by Business Segment reflects management determinations that may not be indicative of what the actual financial performance of each operating division or segment would be if it was an independent entity.

North America Copper Mines. FCX operates seven open-pit copper mines in North America - Morenci, Safford (including Lone Star), Bagdad, Sierrita and Miami in Arizona, and Chino and Tyrone in New Mexico. The North America copper mines include open-pit mining, sulfide-ore concentrating, leaching and SX/EW operations. A majority of the copper produced at the North America copper mines is cast into copper rod by FCX’s Rod & Refining segment. In addition to copper, certain of FCX’s North America copper mines also produce molybdenum concentrate, gold and silver.

The Morenci open-pit mine, located in southeastern Arizona, produces copper cathode and copper concentrate. In addition to copper, the Morenci mine also produces molybdenum concentrate. During 2021, the Morenci mine produced 43 percent of FCX’s North America copper and 16 percent of FCX’s consolidated copper production.

South America Mining. South America mining includes two operating copper mines - Cerro Verde in Peru and El Abra in Chile. These operations include open-pit mining, sulfide-ore concentrating, leaching and SX/EW operations.

The Cerro Verde open-pit copper mine, located near Arequipa, Peru, produces copper cathode and copper concentrate. In addition to copper, the Cerro Verde mine also produces molybdenum concentrate and silver. During 2021, the Cerro Verde mine produced 85 percent of FCX’s South America copper and 23 percent of FCX’s consolidated copper production.
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Indonesia Mining. Indonesia mining includes PT-FI’s Grasberg minerals district that produces copper concentrate that contains significant quantities of gold and silver. During 2021, PT-FI’s Grasberg minerals district produced 35 percent of FCX’s consolidated copper production and 99 percent of FCX’s consolidated gold production.
 
Molybdenum Mines. Molybdenum mines include the wholly owned Henderson underground mine and Climax open-pit mine, both in Colorado. The Henderson and Climax mines produce high-purity, chemical-grade molybdenum concentrate, which is typically further processed into value-added molybdenum chemical products.

Rod & Refining. The Rod & Refining segment consists of copper conversion facilities located in North America, and includes a refinery and two rod mills, which are combined in accordance with segment reporting aggregation guidance. These operations process copper produced at FCX’s North America copper mines and purchased copper into copper cathode and rod. At times these operations refine copper and produce copper rod for customers on a toll basis. Toll arrangements require the tolling customer to deliver appropriate copper-bearing material to FCX’s facilities for processing into a product that is returned to the customer, who pays FCX for processing its material into the specified products.

Atlantic Copper Smelting & Refining. Atlantic Copper smelts and refines copper concentrate and markets refined copper and precious metals in slimes. During 2021, Atlantic Copper purchased 18 percent of its concentrate requirements from FCX’s North America copper mines, 7 percent from FCX’s South America mining operations and 9 percent from FCX’s Indonesia mining operations, with the remainder purchased from unaffiliated third parties.

Corporate, Other & Eliminations. Corporate, Other & Eliminations consists of FCX’s other mining, oil and gas operations and other corporate and elimination items, which include the Miami smelter, Freeport Cobalt (until the sale of it in September 2021), molybdenum conversion facilities in the U.S. and Europe, the greenfield smelter and PMR in Indonesia, certain non-operating copper mines in North America (Ajo, Bisbee and Tohono in Arizona) and other mining support entities.
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Financial Information by Business Segment
North America Copper MinesSouth America Mining     
AtlanticCorporate,
CopperOther
CerroIndonesiaMolybdenumRod &Smelting& Elimi-FCX
MorenciOtherTotalVerdeOtherTotalMiningMinesRefining& RefiningnationsTotal
Year Ended December 31, 2021          
Revenues:           
Unaffiliated customers$82 $180 $262 $3,736 $720 $4,456 $7,241 $— $6,356 $2,961 $1,569 
a
$22,845 
Intersegment2,728 3,835 6,563 460 — 

460 282 444 29 — (7,778)— 
Production and delivery1,226 2,235 3,461 2,000 
b
429 2,429 2,425 
c
253 6,381 2,907 (5,840)
d
12,016 
Depreciation, depletion and amortization152 217 369 366 47 413 1,049 67 28 67 1,998 
Metals inventory adjustments13 — 13 — — — — — — 16 
Selling, general and administrative expenses— 111 — — 24 236 

383 
Mining exploration and research expenses— — — — — — — — 54 55 
Environmental obligations and shutdown costs— (1)(1)— — — — — — — 92 91 
Net gain on sales of assets— — — — — — — — — (19)(61)
e
(80)
Operating income (loss)1,417 1,561 2,978 1,822 244 2,066 3,938 123 (1)21 

(759)8,366 
Interest expense, net— 28 

— 28 48 — — 519 602 
Provision for (benefit from) income taxes— — — 730 

90 820 1,524 
f
— — — (45)2,299 
Total assets at December 31, 20212,708 5,208 7,916 8,694 1,921 10,615 18,971 1,713 228 1,318 7,261 48,022 
Capital expenditures135 207 342 132 30 162 1,296 34 273 
g
2,115 
a.Includes revenues from FCX’s molybdenum sales company, which includes sales of molybdenum produced by the Molybdenum mines and by certain of the North America and South America copper mines.
b.Includes nonrecurring charges totaling $92 million associated with labor-related charges at Cerro Verde for agreements reached with its hourly employees.
c.Includes charges totaling $340 million associated with unfavorable ARO change. Refer to Note 12 for further discussion.
d.Includes charges associated with the major maintenance turnaround at the Miami Smelter totaling $87 million.
e.Includes a $60 million gain on the sale of FCX’s remaining cobalt business located in Kokkola, Finland. Refer to Note 2 for further discussion.
f.Includes net tax benefits of $189 million associated with the release of a portion of the valuation allowance recorded against PT Rio Tinto NOLs. Refer to Note 11 for further discussion.
g.Includes capital expenditures for the Indonesia smelter projects of $222 million.

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North America Copper MinesSouth America Mining     
AtlanticCorporate,
CopperOther
CerroIndonesiaMolybdenumRod &Smelting& Elimi-FCX
MorenciOtherTotalVerdeOtherTotalMiningMinesRefining& RefiningnationsTotal
Year Ended December 31, 2020           
Revenues:            
Unaffiliated customers$29 $48 $77 $2,282 $431 $2,713 $3,534 $— $4,781 $2,020 $1,073 
a
$14,198 
Intersegment2,015 2,272 4,287 242 — 242 80 222 33 17 (4,881)— 
Production and delivery1,269 1,831 3,100 1,599 379 1,978 1,606 230 4,819 1,962 (3,664)10,031 
Depreciation, depletion and amortization166 189 355 367 54 421 580 57 16 29 70 1,528 
Metals inventory adjustments48 52 — — 10 — 28 96 
Selling, general and administrative expenses— 108 — — 21 231 370 
Mining exploration and research expenses— — — — — — — — 48 50 
Environmental obligations and shutdown costs— (1)(1)— — — — — — 159 
b
159 
Net gain on sales of assets— — — — — — — — — — (473)
c
(473)
Operating income (loss)603 249 852 552 
d
(5)547 1,320 (75)(25)
d
25 (207)
d
2,437 
d
Interest expense, net— 139 — 139 39 
e
— — 412 598 
Provision for income taxes— — — 238 239 606 — — 97 
f
944 
Total assets at December 31, 20202,574 5,163 7,737 8,474 1,678 10,152 16,918 1,760 211 877 4,489 42,144 
Capital expenditures102 326 428 141 42 183 1,161 19 29 135 
g
1,961 
a.Includes revenues from FCX’s molybdenum sales company, which includes sales of molybdenum produced by the Molybdenum mines and by certain of the North America and South America copper mines.
b.Includes charges totaling $130 million associated with a framework for the resolution of all current and future potential talc-related litigation. Refer to Note 12 for further discussion.
c.Includes a $486 million gain associated with the sale of FCX’s interests in the Kisanfu undeveloped project. Refer to Note 2 for further discussion.
d.Includes charges totaling $258 million associated with (i) idle facility costs (Cerro Verde), contract cancellation and other charges directly related to the COVID-19 pandemic and (ii) the April 2020 revised operating plans (including employee separation costs). These charges were primarily recorded in the Cerro Verde segment ($89 million), Corporate, Other & Eliminations ($57 million) and the Rod & Refining segment ($30 million).
e.Includes charges totaling $35 million associated with PT-FI's historical contested tax audits. Refer to Note 12 for further discussion.
f.Includes tax charges totaling $135 million associated with the sale of the Kisanfu undeveloped project, partly offset by tax credits of $53 million associated with the reversal of a year-end 2019 tax charge related to the sale of FCX’s interest in the lower zone of the Timok exploration project.
g.Includes capital expenditures for the Indonesia smelter projects of $105 million.









170

North America Copper MinesSouth America Mining     
AtlanticCorporate,
CopperOther
CerroIndonesiaMolybdenumRod &Smelting& Elimi-FCX
MorenciOtherTotalVerdeOtherTotalMiningMinesRefining& RefiningnationsTotal
Year Ended December 31, 2019           
Revenues:            
Unaffiliated customers$143 $224 $367 $2,576 $499 $3,075 $2,713 
a
$— $4,457 $2,063 $1,727 
b
$14,402 
Intersegment1,864 2,155 4,019 313 — 

313 58 344 26 (4,765)— 
Production and delivery1,376 1,943 3,319 1,852 474 2,326 2,055 
c
299 4,475 1,971 (2,911)

11,534 
Depreciation, depletion and amortization171 178 349 406 68 474 406 62 28 84 1,412 
Metals inventory adjustments29 30 — 50 — — 92 179 
Selling, general and administrative expenses— 125 — — 20 237 394 
Mining exploration and research expenses— — — — — — — — 102 104 
Environmental obligations and shutdown costs— — — — — — — — 104 105 
Net gain on sales of assets— — — — — — — — — — (417)
d
(417)
Operating income (loss)456 225 681 621 (43)578 180 (67)(1)49 (329)1,091 
Interest expense, net114 — 114 82 
c
— — 22 398 620 
Provision for (benefit from) income taxes— — — 250 (11)239 167 
c
— — 99 
e
510 
Total assets at December 31, 20192,880 5,109 7,989 8,612 1,676 10,288 16,345 1,798 193 761 3,435 

40,809 
Capital expenditures231 646 877 232 24 256 1,369 19 34 92 

2,652 
a.Includes charges totaling $155 million associated with an unfavorable Indonesia Supreme Court ruling related to PT-FI export duties. Refer to Note 12 for further discussion.
b.Includes revenues from FCX’s molybdenum sales company, which includes sales of molybdenum produced by the Molybdenum mines and by certain of the North America and South America copper mines.
c.Includes net charges totaling $28 million in production and delivery costs for an adjustment to the settlement of the historical surface water tax matters with the local regional tax authority in Papua, Indonesia, and $78 million in interest expense and $103 million of tax charges in provision for income taxes associated with PT-FI’s historical contested tax disputes. Refer to Note 12 for further discussion.
d.Includes net gains totaling $343 million associated with the sale of FCX’s interest in the lower zone of the Timok exploration project and $59 million for the sale of a portion of Freeport Cobalt. Refer to Note 2 for further discussion.
e.Includes tax charges totaling $53 million associated with the sale of FCX’s interest in the lower zone of the Timok exploration project and $49 million primarily to adjust deferred taxes on historical balance sheet items in accordance with tax accounting principles.













171

NOTE 17.  SUPPLEMENTARY MINERAL RESERVE INFORMATION (UNAUDITED)
Recoverable proven and probable mineral reserves as of December 31, 2021, have been prepared using industry accepted practice and conform to the disclosure requirements under Subpart 1300 of SEC Regulation S-K. FCX’s proven and probable mineral reserves may not be comparable to similar information regarding mineral reserves disclosed in accordance with the guidance in other countries. Proven and probable mineral reserves were determined by the use of mapping, drilling, sampling, assaying and evaluation methods generally applied in the mining industry. Mineral reserves, as used in the reserve data presented here, mean an estimate of tonnage and grade of measured and indicated mineral resources that, in the opinion of the qualified person, can be the basis of an economically viable project. Proven mineral reserves are the economically mineable part of a measured mineral resource. To classify an estimate as a proven mineral reserve, the qualified person must possess a high degree of confidence of tonnage, grade and quality. Probable mineral reserves are the economically mineable part of an indicated or, in some cases, a measured mineral resource. The qualified person’s level of confidence will be lower in determining a probable mineral reserve than it would be in determining a proven mineral reserve. To classify an estimate as a probable mineral reserve, the qualified person’s confidence must still be sufficient to demonstrate that extraction is economically viable considering reasonable investment and market assumptions.

FCX’s mineral reserve estimates are based on the latest available geological and geotechnical studies. FCX conducts ongoing studies of its ore bodies to optimize economic values and to manage risk. FCX revises its mine plans and estimates of proven and probable mineral reserves as required in accordance with the latest available studies.

Estimated recoverable proven and probable mineral reserves at December 31, 2021, were determined using metals price assumptions of $2.50 per pound for copper, $1,200 per ounce for gold and $10 per pound for molybdenum. For the three-year period ended December 31, 2021, LME copper settlement prices averaged $3.25 per pound, London PM gold prices averaged $1,654 per ounce and the weekly average price for molybdenum quoted by Metals Week averaged $11.97 per pound.

The recoverable proven and probable mineral reserves presented in the table below represent the estimated metal quantities from which FCX expects to be paid after application of estimated metallurgical recoveries and smelter recoveries, where applicable.
Estimated Recoverable Proven and Probable Mineral Reserves
at December 31, 2021
Coppera
(billion pounds)
Gold
(million ounces)
Molybdenum
(billion pounds)
North America43.0 0.5 2.69 
South America31.9 — 0.69 
Indonesiab
32.2 26.6 — 
Consolidated basisc,d
107.2 27.1 3.39 
Net equity interestb,e
76.2 14.2 3.06 
a.Estimated consolidated recoverable copper reserves included 1.8 billion pounds in leach stockpiles and 0.3 billion pounds in mill stockpiles.
b.Estimated recoverable proven and probable mineral reserves from Indonesia reflect estimates of minerals that can be recovered through 2041. As a result, PT-FI’s current long-term mine plan and planned operations are based on the assumption that PT-FI will abide by the terms and conditions of the IUPK and will be granted the 10-year extension from 2031 through 2041 (refer to Note 13 for discussion of PT-FI’s IUPK). As a result, PT-FI will not mine all of these mineral reserves during the initial term of the IUPK. Prior to the end of 2031, PT-FI expects to mine 48 percent of aggregate proven and probable recoverable mineral reserves at December 31, 2021, representing 53 percent of FCX’s net equity share of recoverable copper reserves and 55 percent of FCX’s net equity share of recoverable gold reserves.
c.Consolidated mineral reserves represent estimated metal quantities after reduction for joint venture partner interests at the Morenci mine in North America (refer to Note 3 for further discussion). Excluded from the table above were FCX’s estimated recoverable proven and probable mineral reserves of 346 million ounces of silver, which were determined using $15 per ounce.
d.May not foot because of rounding.
e.Net equity interest mineral reserves represent estimated consolidated metal quantities further reduced for noncontrolling interest ownership (refer to Note 3 for further discussion of FCX’s ownership in subsidiaries). FCX's net equity interest for estimated metal quantities in Indonesia reflects approximately 81 percent for 2022 and 48.76 percent from 2023 through 2041. Excluded from the table above were FCX’s estimated recoverable proven and probable mineral reserves of 230 million ounces of silver.
172

Estimated Recoverable Proven and Probable Mineral Reserves
at December 31, 2021
Average Ore Grade
Per Metric Tona
Recoverable Proven and
Probable Mineral Reservesb
Orea
(million metric tons)
Copper (%)Gold (grams)Molybdenum (%)Copper
(billion pounds)
Gold
(million ounces)
Molybdenum
(billion pounds)
North America         
Production stage:        
Morenci3,918 0.23 —  — 
c
13.1 —  0.15 
Sierrita2,430 0.23 — 
c
0.02 10.3 0.1  1.02 
Bagdad2,534 0.32 — 
c
0.02 15.5 0.2  0.92 
Safford, including Lone Star685 0.45 — — 5.2 —  — 
Chino, including Cobre308 0.44 0.03 — 2.5 0.3  — 
Climax151 — —  0.15 — —  0.46 
Henderson54 — —  0.16 — —  0.17 
Tyrone19 0.28 —  — 0.2 —  — 
Miami— — —  — — 
c
—  — 
South America         
Production stage:        
Cerro Verde3,999 0.36 —  0.01 27.9 —  0.69 
El Abra732 0.42 —  — 4.1 —  — 
Indonesiad
        
Production stage:      
Grasberg Block Cave857 1.06 0.71  — 16.7 12.6  — 
Deep Mill Level Zone412 0.85 0.73  — 6.6 7.6  — 
Big Gossan51 2.26 0.97  — 2.3 1.1  — 
Development stage:        
Kucing Liar351 1.03 0.91  — 6.6 5.3  — 
Total 100% basise
16,501 110.8 27.1 3.43 
Consolidated basisf
     107.2 27.1  3.39 
FCX’s net equity interestg
     76.2 14.2  3.06 
a.Excludes material contained in stockpiles.
b.Includes estimated recoverable metals contained in stockpiles.
c.Amounts not shown because of rounding.
d.Estimated recoverable proven and probable mineral reserves from Indonesia reflect estimates of minerals that can be recovered through 2041. Refer to Note 13 for discussion of PT-FI’s IUPK.
e.Totals may not foot because of rounding.
f.Consolidated mineral reserves represent estimated metal quantities after reduction for Morenci’s joint venture partner interests (refer to Note 3 for further discussion).
g.Net equity interest mineral reserves represent estimated consolidated metal quantities further reduced for noncontrolling interest ownership (refer to Note 3 for further discussion of FCX’s ownership in subsidiaries). FCX’s net equity interest for estimated metal quantities in Indonesia reflects approximately 81 percent for 2022 and 48.76 percent from 2023 through 2041.

173

Item 9.  Changes in and Disagreements with Accountants on Accounting and Financial Disclosure.

Not applicable.

Item 9A.  Controls and Procedures.

(a)           Evaluation of disclosure controls and procedures. Our chief executive officer and chief financial officer, with the participation of management, have evaluated the effectiveness of our “disclosure controls and procedures” (as defined in Rules 13a-15(e) and 15d-15(e) under the Securities Exchange Act of 1934) as of the end of the period covered by this annual report on Form 10-K. Based on their evaluation, they have concluded that our disclosure controls and procedures are effective as of the end of the period covered by this report.

(b)           Changes in internal controls over financial reporting. There has been no change in our internal control over financial reporting that occurred during the quarter ended December 31, 2021, that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.

(c)           Management’s annual report on internal control over financial reporting and the report thereon of Ernst & Young LLP are included herein under Item 8. “Financial Statements and Supplementary Data.”

Item 9B.  Other Information.

Not applicable.

Item 9C.  Disclosure Regarding Foreign Jurisdictions that Prevent Inspections.

Not applicable.
PART III

Item 10.  Directors, Executive Officers and Corporate Governance.

The information set forth under the captions “Information About Director Nominees,” “Board Committees,” and “Board and Committee Independence; Audit Committee Financial Experts,” and “Corporate Governance Guidelines; Principles of Business Conduct,” of our definitive proxy statement to be filed with the United States Securities and Exchange Commission (SEC), relating to our 2022 annual meeting of stockholders, is incorporated herein by reference. The information required by Item 10 regarding our executive officers appears in a separately captioned heading after Item 4. “Information About our Executive Officers” in Part I of this report.

Item 11.  Executive Compensation.

The information set forth under the captions “Director Compensation” and “Executive Officer Compensation” of our definitive proxy statement to be filed with the SEC, relating to our 2022 annual meeting of stockholders, is incorporated herein by reference.

Item 12.  Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters.

The information set forth under the captions “Stock Ownership of Directors and Executive Officers” and “Stock Ownership of Certain Beneficial Owners” of our definitive proxy statement to be filed with the SEC, relating to our 2022 annual meeting of stockholders, is incorporated herein by reference.

Equity Compensation Plan Information
Only our 2016 Stock Incentive Plan, which was previously approved by our stockholders, has shares of our common stock available for future grant. However, we have equity compensation plans pursuant to which awards have previously been made that could result in issuance of our common stock to employees and non-employees as compensation.


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Table of Contents
The following table presents information regarding our equity compensation plans as of December 31, 2021:
Number of Securities To be Issued Upon Exercise of Outstanding Options, Warrants and RightsWeighted-Average Exercise Price of Outstanding Options, Warrants and RightsNumber of Securities Remaining Available for Future Issuance Under Equity Compensation Plans (Excluding Securities Reflected in Column (a))
(a)(b)(c)
Equity compensation plans approved by security holders
29,954,073 a$23.74 30,713,851 
Equity compensation plans not approved by security holders
157,545 b$27.00 — 
   Total30,111,618 $23.76 30,713,851 

a.Includes shares of our common stock issuable upon the vesting of 3,338,781 restricted stock units (RSUs) and 3,875,625 performance share units at maximum performance levels, and the termination of deferrals with respect to 1,197,900 RSUs that were vested as of December 31, 2021. These awards are not reflected in column (b) because they do not have an exercise price. The number of securities to be issued in column (a) does not include RSUs that are payable solely in cash.
b.Represents securities to be issued under awards assumed in our acquisition of McMoRan Exploration Co. and includes shares issuable upon the termination of deferrals with respect to 13,500 RSUs that were vested as of December 31, 2021, which awards are not reflected in column (b) because they do not have an exercise price.

Item 13.  Certain Relationships and Related Transactions, and Director Independence.

The information set forth under the captions “Certain Transactions” and “Board and Committee Independence; Audit Committee Financial Experts” of our definitive proxy statement to be filed with the SEC, relating to our 2022 annual meeting of stockholders, is incorporated herein by reference.

Item 14.  Principal Accounting Fees and Services.

The information set forth under the caption “Independent Registered Public Accounting Firm” of our definitive proxy statement to be filed with the SEC (including fees billed to us by Ernst & Young, PCAOB ID No. 42), relating to our 2022 annual meeting of stockholders, is incorporated herein by reference.
.
PART IV

Item 15.  Exhibits, Financial Statement Schedules.

(a)(1).                      Financial Statements.

The consolidated statements of operations, comprehensive income (loss), cash flows and equity, and the consolidated balance sheets are included as part of Item 8. “Financial Statements and Supplementary Data.”

(a)(2).                      Financial Statement Schedules.

The following financial statement schedule is presented below.

    Schedule II - Valuation and Qualifying Accounts

Schedules other than the one above have been omitted since they are either not required, not applicable or the required information is included in the financial statements or notes thereto.

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Table of Contents
REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

To the Board of Directors and Stockholders of
Freeport-McMoRan Inc.

We have audited the consolidated financial statements of Freeport-McMoRan Inc. (the Company) as of December 31, 2021 and 2020, for each of the three years in the period ended December 31, 2021, and have issued our report thereon dated February 15, 2022 included elsewhere in this Form 10-K. Our audits of the consolidated financial statements included the financial statement schedule listed in Item 15 (a)(2) of this Form 10-K (the “schedule”). This schedule is the responsibility of the Company’s management. Our responsibility is to express an opinion on the Company’s schedule based on our audits.

In our opinion, the schedule presents fairly, in all material respects, the information set forth therein when considered in conjunction with the consolidated financial statements.

/s/ Ernst & Young LLP

Phoenix, Arizona
February 15, 2022

SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS (In millions)
  Additions (Deductions)   
 Balance atCharged toCharged toOther Balance at
 Beginning ofCosts andOther(Deductions) End of
 YearExpenseAccountsAdditions Year
Reserves and allowances deducted      
from asset accounts:      
Valuation allowance for deferred tax assets      
Year Ended December 31, 2021$4,732 $(596)
a
$(49)
b
$— 

$4,087 
Year Ended December 31, 20204,576 200 
c
(16)
b
(28)
d
4,732 
Year Ended December 31, 20194,507 50 
e
19 
b
— 

4,576 
Reserves for non-income taxes:      
Year Ended December 31, 2021$82 $18 $— $(41)
f
$59 
Year Ended December 31, 202058 21 (1)
f
82 
Year Ended December 31, 201962 — — (4)
f
58 
a.Primarily relates to a $219 million decrease associated with U.S. federal net operating losses (NOLs) utilized during 2021, a $105 million decrease related to expiration of U.S. foreign tax credits, and a $228 million decrease associated with PT Rio Tinto NOLs resulting from positive evidence supporting future taxable income against which NOLs can be used.
b.Relates to a valuation allowance for tax benefits primarily associated with actuarial (gains) losses for U.S. defined benefit plans included in other comprehensive income (loss).
c.Primarily relates to a $250 million increase in U.S. federal NOL carryforwards, partly offset by a $75 million decrease in U.S. foreign tax credits associated with expirations, and a $11 million decrease in U.S. deferred tax assets for which no benefit is expected to be realized.
d.Relates to sale of interest in Kisanfu.
e.Primarily relates to a $208 million increase in U.S. federal deferred tax assets for which no benefit is expected to be realized, partly offset by a $98 million decrease in U.S. foreign tax credits associated with expirations and prior-year adjustments, and a $44 million decrease in U.S. federal and state NOL carryforwards
f.Represents amounts paid or adjustments to reserves based on revised estimates.

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Table of Contents
(a)(3).                      Exhibits.
  Filed   
Exhibit with thisIncorporated by Reference
NumberExhibit TitleForm 10-KFormFile No.Date Filed
Agreement and Plan of Merger dated as of November 18, 2006, by and among FCX, Phelps Dodge Corporation and Panther Acquisition Corporation. 8-K001-11307-0111/20/2006
Stock Purchase Agreement, dated as of October 6, 2014, among LMC Candelaria SpA, LMC Ojos del Salado SpA and Freeport Minerals Corporation.10-Q001-11307-0111/7/2014
Purchase Agreement dated February 15, 2016, between Sumitomo Metal Mining America Inc., Sumitomo Metal Mining Co., Ltd., Freeport-McMoRan Morenci Inc., Freeport Minerals Corporation, and FCX.8-K001-11307-012/16/2016
Stock Purchase Agreement dated May 9, 2016, among CMOC Limited, China Molybdenum Co., Ltd., Phelps Dodge Katanga Corporation and FCX.8-K001-11307-015/9/2016
Purchase and Sale Agreement dated September 12, 2016, between Freeport-McMoRan Oil & Gas LLC, Freeport-McMoRan Exploration & Production LLC, Plains Offshore Operations Inc. and Anadarko US Offshore LLC.10-Q001-11307-0111/9/2016
PT-FI Divestment Agreement dated as of September 27, 2018 among FCX, International Support LLC, PT Freeport Indonesia, PT Indocopper Investama (subsequently renamed PT Indonesia Papua Metal Dan Mineral) and PT Indonesia Asahan Aluminium (Persero).10-Q001-11307-0111/9/2018
Supplemental and Amendment Agreement to the PT-FI Divestment Agreement, dated December 21, 2018, among FCX, PT Freeport Indonesia, PT Indonesia Papua Metal Dan Mineral (f/k/a PT Indocopper Investama), PT Indonesia Asahan Aluminium (Persero) and International Support LLC.10-K001-11307-012/15/2019

Amended and Restated Certificate of Incorporation of FCX, effective as of June 8, 2016. 8-K001-11307-016/9/2016
Amended and Restated By-Laws of FCX, effective as of June 3, 2020. 8-K001-11307-016/3/2020
Description of Common Stock of Freeport-McMoRan Inc.10-K001-11307-012/16/2021
Indenture dated as of February 13, 2012, between FCX and U.S. Bank National Association, as Trustee (relating to the 4.55% Senior Notes due 2024 and the 5.40% Senior Notes due 2034).
 8-K001-11307-012/13/2012
Fourth Supplemental Indenture dated as of May 31, 2013, between FCX and U.S. Bank National Association, as Trustee (relating to the 4.55% Senior Notes due 2024 and the 5.40% Senior Notes due 2034).
8-K001-11307-016/3/2013
Seventh Supplemental Indenture dated as of November 14, 2014 between FCX and U.S. Bank National Association, as Trustee (relating to the 4.55% Senior Notes due 2024).8-K001-11307-0111/14/2014

Eighth Supplemental Indenture dated as of November 14, 2014 between FCX and U.S. Bank National Association, as Trustee (relating to the 5.40% Senior Notes due 2034).
8-K001-11307-0111/14/2014
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Table of Contents
  Filed   
Exhibit with thisIncorporated by Reference
NumberExhibit TitleForm 10-KFormFile No.Date Filed

Indenture dated as of March 7, 2013, between FCX and U.S. Bank National Association, as Trustee (relating to the 3.875% Senior Notes due 2023 and the 5.450% Senior Notes due 2043).8-K001-11307-013/7/2013
Supplemental Indenture dated as of May 31, 2013, between FCX and U.S. Bank National Association, as Trustee (relating to the 3.875% Senior Notes due 2023 and the 5.450% Senior Notes due 2043).

8-K001-11307-016/3/2013
Form of Indenture dated as of September 22, 1997, between Phelps Dodge Corporation and The Chase Manhattan Bank, as Trustee (relating to the 7.125% Senior Notes due 2027, the 9.50% Senior Notes due 2031 and the 6.125% Senior Notes due 2034).S-3333-364159/25/1997
Form of 7.125% Debenture due November 1, 2027 of Phelps Dodge Corporation issued on November 5, 1997, pursuant to the Indenture dated as of September 22, 1997, between Phelps Dodge Corporation and The Chase Manhattan Bank, as Trustee (relating to the 7.125% Senior Notes due 2027).8-K001-0008211/3/1997
Form of 9.5% Note due June 1, 2031 of Phelps Dodge Corporation issued on May 30, 2001, pursuant to the Indenture dated as of September 22, 1997, between Phelps Dodge Corporation and First Union National Bank, as successor Trustee (relating to the 9.50% Senior Notes due 2031).8-K001-000825/30/2001
Form of 6.125% Note due March 15, 2034 of Phelps Dodge Corporation issued on March 4, 2004, pursuant to the Indenture dated as of September 22, 1997, between Phelps Dodge Corporation and First Union National Bank, as successor Trustee (relating to the 6.125% Senior Notes due 2034).10-K001-000823/7/2005
Supplemental Indenture dated as of April 4, 2007 to the Indenture dated as of September 22, 1997, among Phelps Dodge Corporation, as Issuer, Freeport-McMoRan Copper & Gold Inc., as Parent Guarantor, and U.S. Bank National Association, as Trustee (relating to the 7.125% Senior Notes due 2027, the 9.50% Senior Notes due 2031 and the 6.125% Senior Notes due 2034).10-K001-11307-012/26/2016
Form of Certificate representing shares of common stock, par value $0.10.8-A/A001-11307-018/10/2015
Indenture dated as of August 15, 2019, between FCX and U.S. Bank National Association, as Trustee (relating to the 5.00% Senior Notes due 2027, the 4.125% Senior Notes due 2028, the 4.375% Senior Notes due 2028, the 5.25% Senior Notes due 2029, the 4.25% Senior Notes due 2030 and the 4.625% Senior Notes due 2030).
8-K001-11307-01 8/15/2019
First Supplemental Indenture dated as of August 15, 2019, between FCX and U.S. Bank National Association, as Trustee (including the form of 5.00% Senior Notes due 2027).8-K001-11307-018/15/2019
Second Supplemental Indenture dated as of August 15, 2019, between FCX and U.S. Bank National Association, as Trustee (including the form of 5.25% Senior Notes due 2029).
8-K001-11307-018/15/2019
Third Supplemental Indenture dated as of March 4, 2020, between FCX and U.S. Bank National Association, as Trustee (including the form of 4.125% Senior Notes due 2028).8-K001-11307-013/4/2020
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  Filed   
Exhibit with thisIncorporated by Reference
NumberExhibit TitleForm 10-KFormFile No.Date Filed
Fourth Supplemental Indenture dated as of March 4, 2020, between FCX and U.S. Bank National Association, as Trustee (including the form of 4.25% Senior Notes due 2030).8-K001-11307-013/4/2020
Fifth Supplemental Indenture dated as of March 31, 2020, between FCX and U.S. Bank National Association, as Trustee (relating to the 4.125% Senior Notes due 2028 and the 4.25% Senior Notes due 2030).10-Q001-11307-018/7/2020
Sixth Supplemental Indenture dated as of July 27, 2020, between FCX and U.S. Bank National Association, as Trustee (including the form of 4.375% Senior Notes due 2028).8-K001-11307-017/27/2020
Seventh Supplemental Indenture dated as of July 27, 2020, between FCX and U.S. Bank National Association, as Trustee (including the form of 4.625% Senior Notes due 2030).8-K001-11307-017/27/2020
Concentrate Purchase and Sales Agreement dated effective December 11, 1996, between PT Freeport Indonesia and PT Smelting. S-3333-7276011/5/2001
Amendment No. 1, dated as of March 19, 1998, Amendment No. 2 dated as of December 1, 2000, Amendment No. 3 dated as of January 1, 2003, Amendment No. 4 dated as of May 10, 2004, Amendment No. 5 dated as of March 19, 2009, Amendment No. 6 dated as of January 1, 2011, and Amendment No. 7 dated as of October 29, 2012, to the Concentrate Purchase and Sales Agreement dated effective December 11, 1996, between PT Freeport Indonesia and PT Smelting. 10-K001-11307-012/27/2015
Amendment No. 8 dated as of April 16, 2014 to the Concentrate Purchase and Sales Agreement dated December 11,1996 between PT Freeport Indonesia and PT Smelting. 10-K001-11307-012/20/2018
Amendment No. 9 dated as of April 10, 2017 to the Concentrate Purchase and Sales Agreement dated December 11,1996 between PT Freeport Indonesia and PT Smelting. 10-K001-11307-012/20/2018
Shareholders Agreement dated as of December 21, 2018, among FCX, PT Freeport Indonesia, PT Indonesia Papua Metal Dan Mineral and PT Indonesia Asahan Aluminium (Persero).10-K001-11307-012/15/2019
PT Freeport Indonesia Special Mining License (IUPK) from the Minister of Energy and Mineral Resources of the Republic of Indonesia (English translation).10-K001-11307-012/15/2019
Third Amended and Restated Joint Venture and Shareholders Agreement dated as of December 11, 2003 among PT Freeport Indonesia, Mitsubishi Corporation, Nippon Mining & Metals Company, Limited and PT Smelting, as amended by the First Amendment dated as of September 30, 2005, and the Second Amendment dated as of April 30, 2008.10-K001-11307-012/27/2015
Participation Agreement, dated as of March 16, 2005, among Phelps Dodge Corporation, Cyprus Amax Minerals Company, a Delaware corporation, Cyprus Metals Company, a Delaware corporation, Cyprus Climax Metals Company, a Delaware corporation, Sumitomo Corporation, a Japanese corporation, Summit Global Management, B.V., a Dutch corporation, Sumitomo Metal Mining Co., Ltd., a Japanese corporation, Compañia de Minas Buenaventura S.A.A., a Peruvian sociedad anonima abierta, and Sociedad Minera Cerro Verde S.A.A., a Peruvian sociedad anonima abierta.8-K001-000823/22/2005
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  Filed   
Exhibit with thisIncorporated by Reference
NumberExhibit TitleForm 10-KFormFile No.Date Filed
Shareholders Agreement, dated as of June 1, 2005, among Phelps Dodge Corporation, Cyprus Climax Metals Company, a Delaware corporation, Sumitomo Corporation, a Japanese corporation, Sumitomo Metal Mining Co., Ltd., a Japanese corporation, Summit Global Management B.V., a Dutch corporation, SMM Cerro Verde Netherlands, B.V., a Dutch corporation, Compañia de Minas Buenaventura S.A.A., a Peruvian sociedad anonima abierta, and Sociedad Minera Cerro Verde S.A.A., a Peruvian sociedad anonima abierta. 8-K001-000826/7/2005
Revolving Credit Agreement dated as of April 20, 2018, among FCX, PT Freeport Indonesia, JPMorgan Chase Bank, N.A., as administrative agent, Bank of America, N.A., as syndication agent, and each of the lenders and issuing banks party thereto.
8-K001-11307-04/23/2018
First Amendment dated as of May 2, 2019 to the Revolving Credit Agreement dated as of April 20, 2018, among Freeport-McMoRan Inc., PT Freeport Indonesia, JPMorgan Chase Bank, N.A., as administrative agent, Bank of America, N.A., as syndication agent, and each of the lenders and issuing banks party thereto.

8-K001-11307-015/2/2019
Second Amendment dated as of November 25, 2019 to the Revolving Credit Agreement dated as of April 20, 2018, as amended by that certain First Amendment dated as of May 2, 2019, among Freeport-McMoRan Inc., PT Freeport Indonesia, JPMorgan Chase Bank, N.A., as administrative agent, Bank of America, N.A., as syndication agent, and each of the lenders and issuing banks party thereto.
8-K001-11307-0111/25/2019
Third Amendment dated as of June 3, 2020 to the Revolving Credit Agreement dated as of April 20, 2018, as amended, among FCX, PT Freeport Indonesia, JPMorgan Chase Bank, N.A., as administrative agent, and each of the lenders and issuing banks party thereto.
8-K001-11307-016/3/2020
Letter Agreement dated as of December 19, 2013, by and between FCX and Richard C. Adkerson.8-K001-11307-0112/23/2013
FCX Director Compensation.X
Amended and Restated Executive Employment Agreement dated effective as of December 2, 2008, between FCX and Kathleen L. Quirk.10-K001-11307-012/26/2009
Amendment to Amended and Restated Executive Employment Agreement dated December 2, 2008, by and between FCX and Kathleen L. Quirk, dated April 27, 2011.8-K001-11307-014/29/2011
FCX Executive Services Program.X
FCX Supplemental Executive Retirement Plan, as amended and restated.8-K001-11307-012/5/2007
FCX 1996 Supplemental Executive Capital Accumulation Plan.10-Q001-11307-015/12/2008
FCX 1996 Supplemental Executive Capital Accumulation Plan Amendment One.10-Q001-11307-015/12/2008
FCX 1996 Supplemental Executive Capital Accumulation Plan Amendment Two.10-K001-11307-012/26/2009
FCX 1996 Supplemental Executive Capital Accumulation Plan Amendment Three.10-K001-11307-012/27/2015
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Filed
Exhibitwith thisIncorporated by Reference
NumberExhibit TitleForm 10-KFormFile No.Date Filed
FCX 1996 Supplemental Executive Capital Accumulation Plan Amendment Four.
10-K001-11307-012/27/2015
FCX 2005 Supplemental Executive Capital Accumulation Plan, as amended and restated effective January 1, 2015.10-K001-11307-012/27/2015
FCX 2005 Supplemental Executive Capital Accumulation Plan Amendment One.10-K001-11307-012/16/2021
FCX 2005 Supplemental Executive Capital Accumulation Plan Amendment Two.10-K001-11307-012/16/2021
FCX 2005 Supplemental Executive Capital Accumulation Plan Amendment Three.10-K001-11307-012/16/2021
Freeport Minerals Corporation Supplemental Retirement Plan, as amended and restated.10-K001-11307-012/15/2019
FCX 2003 Stock Incentive Plan, as amended and restated. 10-Q001-11307-015/10/2007
FCX 2004 Director Compensation Plan, as amended and restated. 10-Q001-11307-018/6/2010
FCX Amended and Restated 2006 Stock Incentive Plan.10-K001-11307-012/27/2014
FCX 2016 Stock Incentive Plan.8-K001-11307-016/9/2016
Form of Notice of Grant of Nonqualified Stock Options and Restricted Stock Units under the 2006 Stock Incentive Plan (for grants made to non-management directors and advisory directors). 8-K001-11307-016/14/2010
Form of Nonqualified Stock Options Grant Agreement under the FCX stock incentive plans (effective February 2014).10-K001-11307-012/27/2014
Form of Notice of Grant of Restricted Stock Units (for grants made to non-management directors).
10-K001-11307-012/24/2017
Form of Performance Share Unit Agreement (effective February 2018).10-K001-11307-012/20/2018
Form of Performance Share Unit Agreement (effective February 2021). X
Form of Nonqualified Stock Options Grant Agreement (effective February 2018).10-K001-11307-012/20/2018
Form of Restricted Stock Unit Agreement (effective February 2018).10-K001-11307-012/20/2018
FCX Annual Incentive Plan (effective January 2019).10-K001-11307-012/15/2019
FCX Executive Change in Control Severance Plan.X
FCX Principles of Business Conduct.10-K001-11307-012/14/2020
List of Subsidiaries of FCX.X   
List of Subsidiary Guarantors and Subsidiary Issuers of Guaranteed Securities.
X
Consent of Ernst & Young LLP.X   
Consents of Qualified Persons for Technical Report Summary of Mineral Reserves and Mineral Resources for Cerro Verde Mine.X
Consents of Qualified Persons for Technical Report Summary of Mineral Reserves and Mineral Resources for Grasberg Minerals District.X
Consents of Qualified Persons for Technical Report Summary of Mineral Reserves and Mineral Resources for Morenci Mine.X
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Filed
Exhibitwith thisIncorporated by Reference
NumberExhibit TitleForm 10-KFormFile No.Date Filed
Certified resolution of the Board of Directors of FCX authorizing this report to be signed on behalf of any officer or director pursuant to a Power of Attorney.X
Powers of Attorney pursuant to which this report has been signed on behalf of certain officers and directors of FCX.X
Certification of Principal Executive Officer pursuant to Rule 13a-14(a)/15d - 14(a).X   
Certification of Principal Financial Officer pursuant to Rule 13a-14(a)/15d - 14(a).X
Certification of Principal Executive Officer pursuant to 18 U.S.C. Section 1350.X   
Certification of Principal Financial Officer pursuant to 18 U.S.C Section 1350.X   
Mine Safety Disclosure.X   
Technical Report Summary of Mineral Reserves and Mineral Resources for Cerro Verde Mine, effective as of December 31, 2021.X
Technical Report Summary of Mineral Reserves and Mineral Resources for Grasberg Minerals District, effective as of December 31, 2021.X
Technical Report Summary of Mineral Reserves and Mineral Resources for Morenci Mine, effective as of December 31, 2021.X
101.INSXBRL Instance Document - the XBRL Instance Document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document. X   
101.SCHInline XBRL Taxonomy Extension Schema.X   
101.CALInline XBRL Taxonomy Extension Calculation Linkbase.X   
101.DEFInline XBRL Taxonomy Extension Definition Linkbase.X   
101.LABInline XBRL Taxonomy Extension Label Linkbase.X   
101.PREInline XBRL Taxonomy Extension Presentation Linkbase.X   
104
The cover page from this Annual Report on Form 10-K, formatted in Inline XBRL and contained in Exhibit 101.
X
Note:  Certain instruments with respect to long-term debt of FCX have not been filed as exhibits to this Annual Report on Form 10-K since the total amount of securities authorized under any such instrument does not exceed 10 percent of the total assets of FCX and its subsidiaries on a consolidated basis. FCX agrees to furnish a copy of each such instrument upon request of the Securities and Exchange Commission (SEC).

*  Indicates management contract or compensatory plan or arrangement.
+ The registrant agrees to furnish supplementally to the SEC a copy of any omitted schedule or exhibit upon the request of the SEC in accordance with Item 601(b)(2) of Regulation S-K.

Item 16.  Form 10-K Summary.

Not applicable.

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GLOSSARY OF TERMS
Following is a glossary of selected terms used throughout this Annual Report on Form 10-K that are technical in nature:
Adits. A horizontal passage leading into a mine for the purposes of access or drainage.
Alluvial aquifers. A water-bearing deposit of loosely arranged gravel, sand or silt left behind by a river or other flowing water.
Anode. A positively charged metal sheet, usually lead, on which oxidation occurs. During the electro-refining process, anodes are impure copper sheets from the smelting process that require further processing to produce refined copper cathode.
Azurite. A bluish supergene copper mineral and ore found in the oxidized portions of copper deposits often associated with malachite.
Bench. The horizontal floor cuttings along which mining progresses in an open-pit mine. As the pit progresses to lower levels, safety benches are left in the walls to catch any falling rock.
Blasthole stoping. An underground mining method that extracts the ore zone in large vertical rooms. The ore is broken by blasting using large-diameter vertical drill holes.
Block cave. A general term used to describe an underground mining method where the extraction of ore depends largely on the action of gravity. By continuously removing a thin horizontal layer at the bottom mining level of the ore column, the vertical support of the ore column is removed and the ore then caves by gravity.
Bornite. A red-brown isometric mineral comprising copper, iron and sulfur.
British thermal unit or Btu. One British thermal unit is the amount of heat required to raise the temperature of one pound of water by one degree Fahrenheit.
Brochantite. A greenish-black copper mineral occurring in the oxidation zone of copper sulfide deposits.
Cathode. Refined copper produced by electro-refining of impure copper or by electrowinning.
Chalcocite. A grayish copper sulfide mineral, usually found as a supergene in copper deposits formed from the re-deposition of copper minerals that were solubilized from the oxide portion of the deposit.
Chalcopyrite. A brass-yellow sulfide of mineral copper and iron.
Chrysocolla. A bluish-green to emerald-green oxide copper mineral that forms incrustations and thin seams in oxidized parts of copper-mineral veins; a source of copper and an ornamental stone.
Cobalt. A tough, lustrous, nickel-white or silvery-gray metallic element often associated with nickel and copper ores from which it is obtained as a by-product.
Concentrate. The resulting product from the concentrating process that is composed predominantly of copper sulfide or molybdenum sulfide minerals. Further processing might include smelting and electro-refining, or roasting.
Concentrating. The process by which ore is separated into metal concentrate through crushing, milling and flotation.
Concentrator. A process plant used to separate targeted minerals from gangue and produce a mineral concentrate that can be marketed or processed by additional downstream processes to produce salable metals or mineral products. Term is used interchangeably with Mill.
Contained metal. The amount of metal in a mineral sample before the reduction of amounts unable to be recovered during the metallurgical process.
Covellite. A metallic, indigo-blue supergene mineral found in copper deposits.
Crushed-ore leach pad. A slightly sloping pad upon which leach ores are placed in lifts for processing.
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Cutoff grade. The minimum grade contained in the ore for processing. When percentages are below this grade, the material would be routed to an overburden stockpile or left unmined. When percentages are above grade, the material would be processed using concentrating or leaching methods.
Disseminations. A mineral deposit in which the desired minerals occur as scattered particles in the rock that has sufficient quantity to be considered an ore deposit.
Electrolytic refining. The purification of metals by electrolysis. A large piece of impure copper is used as the anode with a thin strip of pure copper as the cathode.
Electrowinning. A process that uses electricity to plate copper contained in an electrolyte solution into copper cathode.
Flotation. A concentrating process in which valuable minerals attach themselves to bubbles of an oily froth for separation as concentrate. The gangue material from the flotation process reports as a tailing product.
Grade. The relative quality or percentage of metal content.
Indigenous Peoples. Indigenous Peoples are distinct social and cultural groups that share collective ancestral ties to the lands and natural resources where they live, occupy or from which they have been displaced.
Leach stockpiles. A quantity of leachable ore placed on a leach pad or in another suitable location that permits leaching and collection of solutions that contain solubilized metal.
Leaching. The process of extracting copper using a chemical solution to dissolve copper contained in ore.
Malachite. A bright-green copper mineral (ore) that often occurs with azurite in oxidized zones of copper deposits.
Metric ton. The equivalent of 2,204.62 pounds.
Mill stockpile. Millable ore that has been mined, and is available for future processing.
Mine-for-leach. A mining operation focused on mining only leachable ores. Also, referred to as crushed leach.
Mineralization. The process by which a mineral is introduced into a rock, resulting in concentration of minerals that may form a valuable or potentially valuable deposit.
Molybdenite. A black, platy, disulfide of molybdenum. It is the most common ore of molybdenum.
Ore body. A continuous, well-defined mass of mineralized material of sufficient ore content to make extraction economically feasible.
Oxide. In mining, oxide is used as an ore classification relating to material that usually leaches well but does not perform well in a concentrator. Oxide minerals in mining refer to an oxidized form.
Paste backfill. A slurry of paste material produced from tailings with engineered cement and water content that is used to fill underground mined out stopes.
Porphyry. A deposit in which minerals of copper, molybdenum, gold or, less commonly, tungsten and tin are disseminated or occur in stock-work of small veinlets within a large mass of hydro-thermally altered igneous rock. The host rock is commonly an intrusive porphyry, but other rocks intruded by a porphyry can also be hosts for ore minerals.
Production level. With respect to underground mining, the elevation of the underground works that permit extraction/transport of the ore to a common point, shaft or plant.
Pseudomalachite. A dark-green monoclinic copper mineral.
Roasting. The heating of sulfide ores to oxidize sulfides to facilitate further processing.
Run-of-Mine (ROM). Leachable ore that is mined and directly placed on a leach pad without utilizing any further processes to reduce particle size prior to leaching.
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Skarn. A Swedish mining term for silicate gangue of certain iron ore and sulfide deposits of Archaean age, particularly those that have replaced limestone and dolomite. Its meaning has been generally expanded to include lime-bearing silicates, of any geologic age, derived from nearly pure limestone and dolomite with the introduction of large amounts of silicon, aluminum, iron and magnesium.
Smelting. The process of melting and oxidizing concentrate to separate copper and precious metals from metallic and non-metallic impurities, including iron, silica, alumina and sulfur.
Solution extraction. A process that transfers copper from a copper-bearing ore to an organic solution, then to an electrolyte. The electrolyte is then pumped to a tankhouse where the copper is extracted, using electricity, into a copper cathode (refer to the term Electrowinning), together referred to as solution extraction/electrowinning (SX/EW).
Stope. An underground mining method that is usually applied to highly inclined or vertical veins. Ore is extracted by driving horizontally upon it in a series of workings, one immediately over the other. Each horizontal working is called a stope because when a number of them are in progress, each working face under attack assumes the shape of a flight of stairs.
Sulfide. A mineral compound containing sulfur and a metal. Copper sulfides can be concentrated or leached, depending on the mineral type.
Tailings. The crushed and ground material remaining after economically recoverable minerals have been extracted. In upstream design and construction, tailings are deposited on the upstream side of the starter embankment, with subsequent crest raises progressively shifting upstream of each previous raise, using deposited tailings as a foundation. In downstream design and construction, tailings are deposited on the upstream side of the starter embankment. Borrow fill or a portion of the tailings are placed on the downstream side of the starter embankment. Subsequent crest raises progressively shift downstream of each previous raise, such that the previous raise becomes the foundation of the subsequent raise. As a result, the toe and the crest of the embankment progressively shift downstream as the embankment is raised. In centerline design and construction, tailings are deposited on the upstream side of the starter embankment. Borrow fill or a portion of the tailings are placed on the crest of the starter embankment. Subsequent crest raises are constructed vertically along the centerline of the previous raise such that the previous raise becomes the foundation of the subsequent raise. As a result, the toe of the embankment shifts downstream but the crest stays along initial alignment as the embankment is raised.
Tolling. The process of converting customer-owned material into specified products, which is then returned to the customer.
Working interest. An interest in an oil and gas lease that gives the owner of the interest the right to drill for and produce oil and gas on the leased acreage and requires the owner to pay a share of the costs of drilling and production operations.
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SIGNATURES

Pursuant to the requirements of Section 13 of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized, on February 15, 2022.

Freeport-McMoRan Inc.


By:/s/ Richard C. Adkerson                                                                                
Richard C. Adkerson
Chairman of the Board and Chief Executive Officer

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed by the following persons on behalf of the registrant in the capacities indicated on February 15, 2022.
/s/ Richard C. AdkersonChairman of the Board and Chief Executive Officer
Richard C. Adkerson(Principal Executive Officer)
/s/ Kathleen L. QuirkPresident and Chief Financial Officer
Kathleen L. Quirk(Principal Financial Officer)
  
*Vice President and Controller - Financial Reporting
C. Donald Whitmire, Jr.(Principal Accounting Officer)
*Director
David P. Abney
*Director
Marcela E. Donadio
*Director
Robert W. Dudley
*Director
Hugh Grant
*Director
Lydia H. Kennard 
*Director
Ryan M. Lance
*Director
Sara Grootwassink Lewis
*Director
Dustan E. McCoy 
  
*Director
John J. Stephens
*Director
Frances Fragos Townsend 
* By:         /s/ Richard C. Adkerson           
Richard C. Adkerson
Attorney-in-Fact
S-1
Exhibit 10.15

FREEPORT-McMoRan INC.
DIRECTOR COMPENSATION
(as of February 7, 2022)

Cash Compensation

Each non-management director receives, as applicable:

an annual fee of $125,000 for serving on the Board;
an annual fee of $25,000 for serving as Chair of the Audit Committee, $20,000 for serving as Chair of the Compensation Committee, the Corporate Responsibility Committee and the Governance Committee; and
an annual fee of $50,000 for serving as Lead Independent Director.

Each director also receives reimbursement for reasonable out-of-pocket expenses incurred in attending board and committee meetings.

Equity-Based Compensation

Non-management directors receive annual equity awards payable solely in restricted stock units, or RSUs, with the number of RSUs granted determined by dividing $180,000 by the closing sale price of our common stock on June 1st, the grant date, or the previous trading day if no sales occur on that date, and rounding down to the nearest hundred shares. The RSUs vest in one installment on the first anniversary of the grant date. Each RSU entitles the director to receive one share of our common stock upon vesting. Dividend equivalents are accrued on the RSUs on the same basis as dividends are paid on our common stock and include market rate interest. The dividend equivalents are only paid upon vesting of the RSUs. In addition, in connection with an initial election to the board other than at an annual meeting, a director may receive a pro rata equity grant.

Stock Purchase Elections; Deferrals

Non-management directors may elect to exchange all or a portion of their annual fee for an equivalent number of shares of our common stock on the payment date, based on the fair market value of our common stock on the date preceding the payment date.

Non-management directors may elect to defer all or a portion of their annual fee, and such deferred amounts will accrue interest at a rate equal to the prime commercial lending rate announced from time to time by JPMorgan Chase (compounded quarterly), and shall be paid out at such time or times as directed by the director. Non-management directors may also elect to defer receipt of their vested RSUs.

Frozen and Terminated Retirement Plan

We previously adopted a retirement plan for the benefit of certain of our non-management directors who reach age 65. In April 2008, the Board amended the plan to freeze the maximum annual benefit at $40,000, except as provided below, and to terminate the plan for future directors. Under the retirement plan, an eligible director will be entitled to an annual benefit up to a maximum of $40,000, depending on the number of years the retiree served as a non-management director for us or our predecessors. The benefit is payable from the date of retirement until the retiree’s death. Each eligible director who was also a director of our former parent and who did not retire from that board of directors, will receive upon retirement from our board an additional annual benefit of $20,000, which is also payable from the date of retirement until the retiree’s death. This additional benefit is not subject to the $40,000 maximum annual benefit described above.

Exhibit 10.18
Freeport-McMoRan Inc.
Executive Services Program

1.Purpose. The Freeport-McMoRan Inc. Executive Services Program (the “Program”) is designed to enable eligible participants to devote to the business activities of Freeport-McMoRan Inc. (the “Company”) or its subsidiaries the time and attention that such individual would otherwise have had to devote to their personal planning concerns.

2.Administration. The Program shall be administered by the Compensation Committee of the Company’s Board of Directors (the “Committee”). Only with respect to participants who are not executive officers of the Company, and subject to such direction as the Committee may give, the Committee has delegated its authority to administer the Program to each of the Chief Executive Officer, the President, and the Chief Administrative Officer of the Company. The Committee, or the delegated officers as applicable, shall be referred to herein as the “Administrator.” The Administrator shall have full authority to interpret the Program, adopt rules and regulations for carrying out the purposes of the Program as needed and select participants in the Program.

3.Eligibility for Participation; Allowance. Participation in the Program shall be offered to the Chairman of the Board, the Chief Executive Officer, the President, the Senior Vice Presidents of the Company, and, in addition to such participants, employees of the Company or any of its subsidiaries who may from time to time be selected by the Administrator. Participation in the Program is subject to an annual allowance per eligible participant as determined by the Administrator and will generally continue through the year of each participant’s retirement unless otherwise determined by the Administrator.

4.Program Benefits. The Program provides for the following services:

a.Financial Counseling – professional counseling services in the area of personal financial and estate planning by an adviser selected by the participant.
b.Tax Return Preparation and Certification – professional assistance, by a public accounting firm selected by the participant, with the preparation and filing of personal income tax returns.
c.Long-Term Care Insurance – the reimbursement of all or a portion of the premiums relating to long-term care insurance for participants and their spouses.
d.Club Memberships – the reimbursement of annual social and business club membership fees for certain participants (as determined by the Administrator) for the purpose of facilitating business-related entertaining and networking; provided, however, that this benefit is not available to executive officers.

5.General Provisions. The selection of any employee for participation in the Program shall not give such employee any right to be retained in the employ of the Company or any of its subsidiaries, and the right of the Company and of such subsidiary to dismiss or discharge any such employee is specifically reserved. The benefits provided for employees
    1     As amended by the Compensation Committee on February 7, 2022



under the Program shall be in addition to, and in no way preclude, other forms of compensation to or in respect of such employee.

6.Taxation. The fees paid pursuant to the Program will be taxable compensation to the participants.

7.Section 409A. This Program shall be interpreted to avoid any penalty sanctions under Section 409A of the Internal Revenue Code, as amended, and applicable Treasury Regulations and guidance thereunder (“Section 409A”). The timing of any payment provided hereunder that is subject to Section 409A may not be accelerated unless permitted under Section 409A. In no event shall a participant, directly or indirectly, designate the calendar year of payment. All reimbursements and in-kind benefits provided under this Program shall be made or provided in accordance with the requirements of Section 409A, including, where applicable, the requirement that (i) the amount of expenses eligible for reimbursement, or in-kind benefits provided, during a calendar year may not affect the expenses eligible for reimbursement, or in-kind benefits to be provided, in any other calendar year, (ii) the reimbursement of an eligible expense will be made on or before the last day of the calendar year following the year in which the expense is incurred, and (iii) the right to reimbursement or in-kind benefits is not subject to liquidation or exchange for another benefit.

8.Amendment or Termination. The Committee may from time to time amend or at any time terminate the Program.
    2     As amended by the Compensation Committee on February 7, 2022




FREEPORT-McMoRan INC.
2016 STOCK INCENTIVE PLAN

PERFORMANCE SHARE UNIT AGREEMENT

1.(a) Pursuant to the Freeport-McMoRan Inc. 2016 Stock Incentive Plan (the “Plan”), on _______ (the “Grant Date”), Freeport-McMoRan Inc., a Delaware corporation (“FCX” or the “Company”) granted performance share units (“Performance Share Units” or “PSUs”) to _________________ (the “Participant”) on the terms and conditions set forth in this Performance Share Unit Agreement (this “Agreement”) and in the Plan.
(b)The PSUs granted hereunder represent performance-based Restricted Stock Units under Section 10 of the Plan. Defined terms not otherwise defined herein shall have the meanings set forth in Section 2 of the Plan.
2.The Company hereby grants to the Participant an Award of ___________ Performance Share Units (the "Target Award"). Each PSU represents the right to receive one share of Common Stock, subject to the terms and conditions set forth in this Agreement and the Plan. The actual number of PSUs earned will depend on the Company’s level of achievement and certification of the performance goals specified in Section 3 during the period beginning January 1, 20__ and ending December 31, 20__ (the “Performance Period”). Any PSUs that do not vest or are not earned as of the end of the Performance Period shall be forfeited.
3.The number of PSUs that will be earned following the end of the Performance Period will be determined as follows:
(a)Financial Metric - Between 0% and 200% of the Target Award will be earned based on the Company’s average Return on Investment (“ROI”) for the three years in the Performance Period in accordance with the following matrix (the “Preliminary Earned PSUs”):
Average
ROI
Payout % of
Target PSUs
‹__%0%
Threshold__%50%
Target__%100%
Maximum__%200%

Results that fall in-between the “maximum,” “target” and “threshold” levels of ROI will be calculated based on a sliding scale.



1



(b)TSR Modifier – To determine the “Final Earned PSUs,” the Preliminary Earned PSUs (as determined in Section 3(a)) may be increased or decreased by 25% of the Target Award based on the Company’s Total Shareholder Return relative to the Total Shareholder Return of the Peer Group for the Performance Period in accordance with the following matrix:
FCX TSR RankImpact on
Preliminary Earned PSUs
1-3+25%
4-6No Change
7-9-25%

4.The PSUs shall not entitle the Participant to any incidents of ownership (including, without limitation, dividend and voting rights) in any Shares until the PSUs vest and the Participant is issued the Shares to which such PSUs relate. From and after the Grant Date of a PSU until the issuance of the Share payable in respect of such vested PSU, the Participant shall be credited, as of the payment date therefor, with (i) the amount of any cash dividends and (ii) the amount equal to the Fair Market Value of any Shares, Subsidiary securities, other securities, or other property distributed or distributable in respect of one share of Common Stock to which the Participant would have been entitled had the Participant been a record holder of one share of Common Stock at all times from the Grant Date to such issuance date (a “Property Distribution”). All such credits shall be made notionally to a dividend equivalent account (a “Dividend Equivalent Account”) established for the Participant with respect to all PSUs granted hereunder. The Committee may, in its discretion, deposit in the Participant’s Dividend Equivalent Account the securities or property comprising any Property Distribution in lieu of crediting such Dividend Equivalent Account with the Fair Market Value thereof, or may otherwise adjust the terms of the Award as permitted under Section 5(b) of the Plan.
5.(a)    If the Participant ceases to be an Eligible Individual (the “Termination”) prior to the end of the Performance Period, then, except as set forth in Sections 5(b) through 5(e) of this Agreement, all unvested PSUs provided for in this Agreement, all amounts credited to the Participant’s Dividend Equivalent Account with respect to such PSUs, and all securities and property comprising Property Distributions deposited in such Dividend Equivalent Account with respect to such PSUs shall immediately be forfeited on the date the Participant ceases to be an Eligible Individual (the “Termination Date”).
(b)Notwithstanding the foregoing, if the Participant’s Termination is due to death, then the number of PSUs represented by the Target Award, all amounts credited to the Participant’s Dividend Equivalent Account with respect to such PSUs, and all securities and property comprising Property Distributions deposited in such Dividend Equivalent Account with respect to such PSUs shall vest as of the Participant’s Termination Date.

2



(c)Notwithstanding the foregoing, if the Participant’s Termination is due to Disability or Retirement, the PSUs granted hereunder shall not be forfeited, and all such PSUs, all amounts credited to the Participant’s Dividend Equivalent Account with respect to such PSUs, and all securities and property comprising Property Distributions deposited in such Dividend Equivalent Account with respect to such PSUs shall remain outstanding and vest as of the end of the Performance Period based on the Company’s level of achievement of the performance goals as set forth in Section 3.
(d)Unless Section 5(e) applies, in the event that the Participant ceases to be an Eligible Individual by reason of the Participant’s Termination by his employer or principal without Cause, the Committee may, in its sole discretion, determine that the PSUs granted hereunder, all amounts credited to the Participant’s Dividend Equivalent Account with respect to such PSUs, and all securities and property comprising Property Distributions deposited in such Dividend Equivalent Account with respect to such PSUs shall not be forfeited, but shall remain outstanding and vest as of the end of the Performance Period based on the Company’s level of achievement of the performance goals as set forth in Section 3.
(e)If a Change in Control event occurs prior to the end of the Performance Period, the number of PSUs represented by the Target Award will convert into an equivalent number of Restricted Stock Units, which shall vest, provided the Participant remains an Eligible Individual until the end of the Performance Period (except as otherwise provided in this Section 5) on the earlier of (i) the last day of the Performance Period, or (ii) the date the Participant ceases to be an Eligible Individual by reason of the Participant’s Termination by his employer or principal without Cause or Participant’s Termination with Good Reason.
6.(a)    Following the end of the Performance Period, the Committee shall, within a reasonably practicable time, determine the results of the performance goals set forth in Section 3 and the Final Earned PSUs, if any, earned upon attainment of the performance goals. Such determination shall be final, conclusive and binding on the Participant, and on all other persons, to the maximum extent permitted by law. Payment in respect of the Final Earned PSUs, all amounts credited to the Participant’s Dividend Equivalent Account with respect to such PSUs, and all securities and property comprising Property Distributions deposited in such Dividend Equivalent Account with respect to such PSUs shall be made promptly following the later of (i) February 15 of the year following the end of the Performance Period, or (ii) the Committee’s determination of the attainment of the performance goals; but in any event, no later than March 15 of the year following the end of the Performance Period.
(b)In the event vesting occurs as a result of the Participant’s death in accordance with Section 5(b) or following a Change in Control in accordance with Section 5(e), payment in respect of the vested PSUs, all amounts credited to the Participant’s Dividend Equivalent Account with respect to such PSUs, and all securities and property comprising Property Distributions deposited in such Dividend Equivalent Account with respect to such PSUs shall be made promptly following the vesting date, but no later than 30 days thereafter.
(c)All payments in respect of earned and vested PSUs shall be made in freely transferable shares of Common Stock. No fractional shares of Common Stock shall be issued

3



pursuant to this Award, and any fractional share resulting from any calculation made in accordance with the terms of this Agreement shall be rounded down to the next whole share.
7.The PSUs granted hereunder, any amounts notionally credited in the Participant’s Dividend Equivalent Account, and any securities and property comprising Property Distributions deposited in such Dividend Equivalent Account are not transferable by the Participant otherwise than by will or by the laws of descent and distribution.
8.This award is subject to the terms of the Company’s Compensation Recovery Policy (the “Policy”), as such Policy may be amended from time to time, including amendments adopted in order to conform to the requirements of Section 954 of the Dodd-Frank Wall Street Reform and Consumer Protection Act and any resulting rules issued by the SEC or national securities exchanges thereunder. Accordingly, if the Board determines that recovery of compensation under such Policy is due, then the PSUs granted hereunder shall automatically terminate and be forfeited effective on the date of such determination and all shares of Common Stock acquired by the Participant pursuant to this Agreement (or other securities into which such shares have been converted or exchanged) shall be returned to the Company or, if no longer held by the Participant, the Participant shall pay to the Company, without interest, all cash, securities or other assets received by the Participant upon the sale or transfer of such stock or securities.
9.All notices hereunder shall be in writing and, if to the Company, shall be delivered personally to the Secretary of the Company or mailed to 333 North Central Avenue, Phoenix, Arizona 85004, addressed to the attention of the Secretary; and, if to the Participant, shall be delivered personally or mailed to the Participant at the address on file with the Company. Such addresses may be changed at any time by notice from one party to the other.
10.This Agreement is subject to the provisions of the Plan. The Plan may at any time be amended by the Board, except that any such amendment of the Plan that would materially impair the rights of the Participant hereunder may not be made without the Participant’s consent. The Committee may amend this Agreement at any time in any manner that is not inconsistent with the terms of the Plan and that will not result in the application of Section 409A(a)(1) of the Code. Notwithstanding the foregoing, no such amendment may materially impair the rights of the Participant hereunder without the Participant’s consent. Except as set forth above, any applicable determinations, orders, resolutions or other actions of the Committee shall be final, conclusive and binding on the Company and the Participant.
11.The Participant is required to satisfy any obligation in respect of withholding or other payroll taxes resulting from the vesting of any PSU granted hereunder or the payment of any securities, cash, or property hereunder, in accordance with procedures established by the Committee, as a condition to receiving any securities, cash payments, or property resulting from the vesting of any PSU or otherwise.
12.Nothing in this Agreement shall confer upon the Participant any right to continue in the employ of the Company or any of its Subsidiaries, or to interfere in any way with the right of the Company or any of its Subsidiaries to terminate the Participant’s employment relationship with the Company or any of its Subsidiaries at any time.

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13.The Participant shall not have any interest in any particular assets of the Company by reason of the right to earn an Award under the Plan and this Agreement, and the Participant or any other person shall have only the rights of a general unsecured creditor of the Company with respect to any rights under the Plan or this Agreement.
14.This Award is intended to satisfy the short-term deferral exception to the requirements of Section 409A of the Code, and shall be interpreted, construed and administered in accordance with such exception. Notwithstanding anything in this Agreement to the contrary, if the PSUs constitute “deferred compensation” under Section 409A of the Code and the vesting and payout of any PSUs is accelerated pursuant to Section 5, a distribution of Shares issuable to the Participant, all amounts notionally credited to the Participant’s Dividend Equivalent Account, and all securities and property comprising all Property Distributions deposited in such Dividend Equivalent Account due the Participant shall be delayed for a period of six months after the Participant’s Termination Date, if the Participant is a Key Employee and if so required pursuant to Section 409A of the Code, unless the Participant’s Termination is due to death. If settlement of the Performance Share Units is delayed, the Performance Share Units shall be settled within 30 days of the date that is the six-month anniversary of the Participant’s Termination Date. Notwithstanding any provision to the contrary herein, distributions to be made upon a termination of employment hereunder may only be made upon a “separation from service” as defined under Section 409A of the Code. In no event shall a Participant, directly or indirectly, designate the calendar year of payment.
15.As used in this Agreement, the following terms shall have the meanings set forth below.
(a)“Disability” shall have occurred if the Participant is (i) unable to engage in any substantial gainful activity by reason of any medically determinable physical or mental impairment which can be expected to result in death or can be expected to last for a continuous period of not less than 12 months, or (ii) by reason of any medically determinable physical or mental impairment which can be expected to result in death or can be expected to last for a continuous period of not less than 12 months, receiving income replacement benefits for a period of not less than 3 months under an accident and health plan covering employees of the Participant’s employer.
(b)“Fair Market Value” shall, with respect to a share of Common Stock, a Subsidiary security, or any other security, have the meaning set forth in the Freeport-McMoRan Inc. Policies of the Committee applicable to the Plan, and, with respect to any other property, mean the value thereof determined by the board of directors of the Company in connection with declaring the dividend or distribution thereof.
(c)“Key Employee” shall mean any employee who meets the definition of “key employee” as defined in Section 416(i) of the Code.
(d)“Peer Group” shall refer to the following companies: Anglo American plc, Antofagasta plc, BHP Billiton Limited, Glencore plc, Rio Tinto plc, Southern Copper Corporation, Teck Resources Limited, and Vale S.A. If any Peer Group company’s TSR shall cease to be publicly available (due to a business combination, receivership, bankruptcy or other event) or if any such company is no longer publicly held, such company will be

5



treated as the lowest ranking member of the Peer Group. If more than four Peer Group companies’ TSR cease to be publicly available or such companies cease to be publicly held, the Committee shall adjust the table in Section 3 as appropriate to reflect the reduction; provided, however, that no such adjustment will have the effect of increasing the number of PSUs that will vest in accordance with Section 3.

(e)“Retirement” shall mean early, normal or deferred retirement of the Participant under a tax qualified retirement plan of the Company or any other cessation of the provision of services to the Company or a Subsidiary by the Participant that is deemed by the Committee or its designee to constitute a retirement.
(f)“Return on Investment” or “ROI” shall mean, with respect to any year, the result (expressed as a percentage) calculated according to the following formula:
a + (b - c)
d
in which “a” equals managed net income for such year, “b” equals net interest expense for such year, “c” equals tax on net interest expense for such year, and “d” equals total investment of capital for such year. The calculation of ROI shall be consistent with the Company’s past practices, and the Committee may make such adjustments as it deems equitable in connection with acquisitions, disposition and other corporate transactions, or other unusual events.                                 
(g)“Total Shareholder Return” or “TSR” as applied to the Company or any company in the Peer Group means stock price appreciation from the beginning to the end of the Performance Period, including dividends and distributions made or declared (assuming such dividends or distributions are reinvested in the common stock of the Company or any company in the Peer Group) during the Performance Period, expressed as a percentage return, using the following formula:
TSR = (A/B)-1, with A equal to the Ending Stock Price including dividends paid and B equal to the Beginning Stock Price.
For purposes of computing TSR, the Beginning Stock Price will be the average price of a share of Common Stock over the 20 trading days ending on the day before the first day of the Performance Period or other relevant measurement period, and the Ending Stock Price will be the average price of a share of Common Stock over the 20 trading days ending on the last day of the Performance Period or other measurement period. TSR of the Company or any company in the Peer Group shall be equitably adjusted to reflect any spin off, stock split, reverse stock split, stock dividend, recapitalization, or reclassification or other similar change in the number of outstanding shares of common stock.
16.The Company may, in its sole discretion, deliver any documents related to the Participant’s current or future participation in the Plan by electronic means or request Participant’s consent to participate in the Plan by electronic means. By accepting the terms of this Agreement, the Participant hereby consents to receive such documents by electronic delivery

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and agrees to participate in the Plan through an on-line or electronic system established and maintained by the Company or a third party designated by the Company. The Participant must expressly accept the terms and conditions of this Agreement by electronically accepting this Agreement in a timely manner. If the Participant does not accept the terms of this Agreement, the PSUs are subject to cancellation.

* * * * * * * * * * * * *
By clicking the “Accept” button, the Participant represents that he or she is familiar with the terms and provisions of the Plan, and hereby accepts this Agreement subject to all of the terms and provisions thereof. Participant has reviewed the Plan and this Agreement in their entirety and fully understands all provisions of this Agreement. Participant agrees to accept as binding, conclusive and final all decisions or interpretations of the Compensation Committee of the Company’s Board of Directors upon any questions arising under the Plan or this Agreement.
PLEASE PRINT AND KEEP A COPY FOR YOUR RECORD

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Exhibit 10.42
FREEPORT-McMoRan INC.
EXECUTIVE CHANGE IN CONTROL SEVERANCE PLAN

ARTICLE I
PURPOSE
    The Board of Directors of Freeport-McMoRan Inc. (“FCX”) considers the maintenance of a sound management to be essential to protecting and enhancing the best interests of FCX and its stockholders. In this connection, the Board recognizes that the possibility of a change in control may arise from time to time, and that this possibility, and the uncertainty and questions it may raise among management, may result in the departure or distraction of management personnel to the detriment of FCX and its stockholders. In addition, the Board believes that it is consistent with the employment practices and policies of FCX and its subsidiaries and in the best interests of FCX and its stockholders to treat fairly its executives whose employment terminates in connection with or following a change in control. Therefore, the Board of Directors of FCX has adopted this Executive Change in Control Severance Plan (as it may be amended and/or restated from time to time, the “Plan”). This Plan is intended to be a “top hat” welfare benefit plan under ERISA.


ARTICLE II
DEFINITIONS
    As used in this Plan, capitalized terms used but not otherwise defined shall have the meanings set forth in Appendix A.

ARTICLE III
ELIGIBILITY
3.1.Participation. Participants in the Plan shall be those Executive Officers of the Company and other key employees whose names are listed on Appendix B hereto, as it may be amended from time to time. Notwithstanding the foregoing and for the avoidance of doubt, any Participant who is party to an individual change in control agreement or an effective employment agreement providing change in control protections and benefits with the Company shall not be a Participant in the Plan and such individual agreement will govern. Participants may be added or removed from the Plan in accordance with Article V hereof.

3.2.Duration of Participation. A Participant shall cease to be a Participant in the Plan under the following circumstances: (a) if so provided in an amendment or termination of the Plan complying with Article V hereof, (b) if he or she ceases to be an employee of the Company or an Affiliate outside of the Protected Period, or (c) if he or she ceases to be an employee of the Company or an Affiliate during the Protected Period other than pursuant to a Qualifying Termination. A Participant entitled to payment of Separation Benefits under the Plan shall remain a Participant in the Plan until the full amount of the Separation Benefits payable hereunder have been paid to the Participant.
ARTICLE IV
SEPARATION BENEFITS
4.1.Qualifying Termination. Subject to the conditions of this Article IV, a Participant shall be entitled to the benefits as set forth in Section 4.2 below if, at any time during the Protected Period, the Participant’s employment is terminated (a) by the Company for any reason other than Cause, death, or Disability or (b) by the Participant for Good Reason. A Qualifying Termination that occurs during the Pre-CIC Period will be deemed to occur upon the occurrence of the Change in Control for purposes of the Plan.
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4.2.Separation Benefits. If a Participant experiences a Qualifying Termination during the Protected Period, then subject to the Participant’s compliance with Section 4.3, the Participant will receive:
(a)All accrued but unpaid Base Salary, any accrued but unused vacation pay and any reimbursable-but-unreimbursed business expenses through and including the Termination Date, which shall be paid as soon as practicable following the Termination Date. In addition, the Participant will receive all other benefits due the Participant pursuant to any employee benefit plans or incentive plans maintained by the Company or its Affiliates with respect to services rendered by the Participant prior to the Termination Date in accordance with the terms of such plans.
(b)A lump sum cash severance payment (the Severance Payment) calculated as follows:
(i)in the case of a Level One Executive, three (3) times the sum of (1) the Participant’s Base Salary plus (2) the Participant’s Average Bonus;
(ii)in the case of a Level Two Executive, two (2) times the sum of (1) the Participant’s Base Salary plus (2) the Participant’s Average Bonus; and
(iii)in the case of a Level Three Executive, one and one-half (1.5) times the sum of (1) the Participant’s Base Salary plus (2) the Participant’s Average Bonus.
(c)A pro rata bonus (the Pro-Rata Bonus) equal to the product of (i) the Participant’s Average Bonus for the fiscal year in which the Termination Date occurs and (ii) the fraction obtained by dividing the number of days in such year through the Termination Date by the number of days in such year.
(d)During the Benefit Continuation Period, the Participant will receive (i) reimbursement for the monthly premium for medical, including dental and vision, coverage paid by the Participant for himself or herself and his or her eligible dependents, provided the Participant has timely elected COBRA continuation coverage or retiree medical coverage, or (ii) alternatively, the Participant will receive reimbursement for the monthly premium paid by the Participant for himself or herself and his or her eligible dependents under a Medicare supplemental plan (as applicable, the “Benefit Continuation”). Notwithstanding the foregoing, if the Company’s provision of Benefit Continuation under this Section 4.2(d) would violate the nondiscrimination rules applicable to non-grandfathered plans, or would result in the imposition of penalties under the Patient Protection and Affordable Care Act of 2010, as amended by the Health Care and Education Reconciliation Act of 2010, and the related regulations and guidance promulgated thereunder (the “ACA”), the Company shall reform this Section 4.2(d) in a manner as is necessary to comply with the ACA. Subject to Section 4.7, Benefit Continuation reimbursement shall be paid to the Participant on the 15th of the month immediately following the month in which the Participant timely remits the premium payment, and shall be taxable to the Participant.
4.3.Condition to Payments. A Participant’s entitlement to the payments and benefits under Section 4.2(b)-(d) (collectively, the “Separation Benefits”) is subject to:
(a)The consummation of a Change in Control; and
(b)The Participant executing a Separation and General Release Agreement (the “Release”), in substantially the form attached hereto as Appendix C, and such Release becoming effective and irrevocable within sixty (60) days following the Participant’s Termination Date. The
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Company shall deliver the Release to any Participant experiencing a Qualifying Termination no later than ten (10) days after the Participant’s Termination Date.
4.4.Payment Timing. Subject to satisfaction of the condition in Section 4.3 and any additional delay that may be required pursuant to Section 4.7, the Separation Benefits shall be payable or commence, as applicable, on the Company’s first regularly scheduled pay date that is on or after the later of (a) the date that is sixty (60) days after the Termination Date if the Participant’s Qualifying Termination occurs on or after the Change in Control, or (b) if the Participant’s Qualifying Termination occurs during the Pre-CIC Period, on the date of the Change in Control.
4.5.Excise Tax Provision.
(a)Notwithstanding any other provisions of this Plan, if a Change in Control occurs, in the event that any payment or benefit received or to be received by a Participant in connection with the Change in Control of the Company or the termination of the Participant’s employment (whether pursuant to the terms of this Plan or any other plan, arrangement or agreement with the Company, any Person whose actions result in a Change in Control or any Affiliate of the Company or such Person) (all such payments and benefits, including the payments and benefits under Section 4.2 hereof, being hereinafter called Total Payments) would be subject (in whole or in part), to an excise tax imposed by section 4999 of the Code (the Excise Tax), then the cash payments under Section 4.2 hereof shall first be reduced, and the non-cash payments and benefits under the other sections hereof shall thereafter be reduced, to the extent necessary so that no portion of the Total Payments is subject to the Excise Tax but only if (A) the net amount of such Total Payments, as so reduced (and after subtracting the net amount of federal, state and local income and employment taxes on such reduced Total Payments) is greater than or equal to (B) the net amount of such Total Payments without such reduction (but after subtracting the net amount of federal, state and local income and employment taxes on such Total Payments and the amount of Excise Tax to which the Participant would be subject in respect of such unreduced Total Payments). The reduction of the amounts payable hereunder, if applicable, shall be made by reducing the payments and benefits in the following order: (i) benefits that are not in the form of cash or equity-based payments; (ii) cash payments that may not be valued under Treas. Reg. § 1.280G-1, Q&A-24(c) (“24(c)”), (iii) equity-based payments that may not be valued under 24(c), (iv) cash payments that may be valued under 24(c) and (v) equity-based payments that may be valued under 24(c). With respect to each category of the foregoing, such reduction shall occur first with respect to amounts that are not “deferred compensation” within the meaning of Section 409A and next with respect to payments that are deferred compensation, in each case, beginning with payments or benefits that are scheduled to be paid latest in time.
(b)For purposes of determining whether and the extent to which the Total Payments will be subject to the Excise Tax, (i) no portion of the Total Payments the receipt or enjoyment of which the Executive shall have waived at such time and in such manner as not to constitute a “payment” within the meaning of section 280G(b) of the Code shall be taken into account, (ii) no portion of the Total Payments shall be taken into account which, in the opinion of the Accounting Firm, does not constitute a “parachute payment” within the meaning of section 280G(b)(2) of the Code (including by reason of section 280G(b)(4)(A) of the Code) and, in calculating the Excise Tax, no portion of such Total Payments shall be taken into account which, in the opinion of the Accounting Firm, constitutes reasonable compensation for services actually rendered, within the meaning of section 280G(b)(4)(B) of the Code, in excess of the Base Amount (within the meaning set forth in section 280G(b)(3) of the Code) allocable to such reasonable compensation, and (iii) the value of any non-cash benefit or any deferred payment or benefit included in the Total Payments shall be determined by the Accounting Firm in accordance with the principles of sections 280G(d)(3) and (4) of the Code. To the extent requested by the Participant, the Company shall cooperate with the Participant, in good faith in valuing, and the Accounting Firm shall take into account the value of, services provided or to be provided by the Participant (including, without limitation, the Participant’s agreeing to refrain from performing
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services pursuant to a covenant not to compete or similar covenant) before, on or after the date of a change in ownership or control of the Company (within the meaning of Q&A-2(b) of the final regulations under Section 280G of the Code), such that payments in respect of such services may be considered reasonable compensation within the meaning of Q&A-9 and Q&A-40 to Q&A-44 of the final regulations under Section 280G of the Code and/or exempt from the definition of the term “parachute payment” within the meaning of Q&A-2(a) of the final regulations under Section 280G of the Code in accordance with Q&A-5(a) of the final regulations under Section 280G of the Code.
(c)At the time that payments are made under this Plan, the Company shall provide the Participant with a written statement setting forth the manner in which such payments were calculated and the basis for such calculations including, without limitation, any opinions or other advice the Company has received from the Accounting Firm or other advisors or consultants (and any such opinions or advice which are in writing shall be attached to the statement).
(d)All fees and expenses of the Accounting Firm shall be borne solely by the Company.
4.6.Equity-Based Awards; Long-Term Performance Awards. The Plan does not affect the terms of any outstanding equity-based awards or long-term performance awards. The treatment of any outstanding equity-based awards and long-term performance awards shall be determined in accordance with the terms of the Company’s equity plans and any applicable award agreements under which the equity-based awards or performance awards were granted.
4.7.Section 409A.
(a)The Plan is intended to comply with Section 409A or an exemption thereunder and shall be construed and administered in accordance with Section 409A. Notwithstanding any other provision of the Plan, payments provided under the Plan may only be made upon an event and in a manner that complies with Section 409A or an applicable exemption. Any payments under the Plan that may be excluded from Section 409A either as separation pay due to an involuntary separation from service or as a short-term deferral shall be excluded from Section 409A to the maximum extent possible. For purposes of Section 409A, each installment payment provided under the Plan shall be treated as a separate payment. Any payments to be made under the Plan upon a termination of employment shall only be made upon a "separation from service" under Section 409A.
(b)Notwithstanding any other provision of the Plan, if any payment or benefit provided to a Participant in connection with his or her Qualifying Termination is determined to constitute "nonqualified deferred compensation" within the meaning of Section 409A and the Participant is determined to be a "specified employee" as defined in Section 409A(a)(2)(b)(i) of the Code, then, to the extent necessary to avoid the imposition of taxes under Section 409A, such payment or benefit shall not be paid until the first payroll date to occur following the six-month anniversary of the Qualifying Termination or, if earlier, on the Participant's death (the "Specified Employee Payment Date"). The aggregate of any payments that would otherwise have been paid before the Specified Employee Payment Date shall be paid to the Participant in a lump sum on the Specified Employee Payment Date and thereafter, any remaining payments shall be paid without delay in accordance with their original schedule. Notwithstanding any other provision of the Plan, if any payment or benefit is conditioned on the Participant's execution of a Release, the first payment shall include all amounts that would otherwise have been paid to the Participant during the period beginning on the date of the Qualifying Termination and ending on the payment date if no delay had been imposed.

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(c)To the extent required by Section 409A, each reimbursement or in-kind benefit provided under the Plan shall be provided in accordance with the following: (i) the amount of expenses eligible for reimbursement, or in-kind benefits provided, during each calendar year cannot affect the expenses eligible for reimbursement, or in-kind benefits to be provided, in any other calendar year; (ii) any right to reimbursements or in-kind benefits under the Plan shall not be subject to liquidation or exchange for another benefit; (iii) the reimbursement of an eligible expense will be made no later than the last day of the calendar year following the year in which the expense is incurred; and (iv) any reimbursement is for expenses incurred during the Participant’s lifetime or during a shorter period of time specified in this Plan.

ARTICLE V
DURATION, AMENDMENT AND TERMINATION
5.1.Changes to Eligible Participants.
(a)Except as provided in Section 5.2, (a) the Committee may amend Appendix B to add or remove Participants, and (b) the Chief Executive Officer and the President of the Company, acting together, may amend Appendix B to add or remove Participants classified as Level Three Executives, provided such amendments comply with the following:
(i)Any amendment to Appendix B made by the Chief Executive Officer and the President must be reported to the Committee at its next meeting.
(ii)A Participant shall be given written notice from the Company no later than thirty (30) days after adoption of an amendment that removes the Participant from the Plan or reduces his or her benefits; provided, however, that no such notice is required if the Participant’s name is removed from Appendix B due to the Participant’s termination of employment prior to the Protected Period.
(iii)Any amendment to Appendix B that has the effect of removing a Participant from the Plan or reducing a Participant’s benefits will not be effective until twelve (12) months after the amendment’s adoption and will not become effective if the Protected Period commences during such 12-month period; provided, however, that such 12-month delay shall not apply if the Participant’s name is removed from Appendix B due to the Participant’s termination of employment prior to the Protected Period.
5.2.Termination or Amendment of the Plan.
(a)The Plan may be terminated or amended from time to time at the discretion of the Board; provided, however, that, subject to the provisions of Section 5.2(b), the Plan may not be terminated or amended in anticipation of a potential Change in Control or at any time during the Protected Period (or, if later, prior to the payment of all amounts due to a Participant as a result of a Qualifying Termination during the Protected Period) in a manner that adversely affects the rights, benefits or potential rights to benefits (contingent or otherwise) of any Participant then covered under the Plan. Except as provided in Section 5.2(b), any changes to the eligible Participants pursuant to Section 5.1 shall be deemed to be an adverse amendment to the Plan that is not permitted during the Protected Period or during the 12-month period referenced in Section 5.1 above. The Company’s obligation to make all payments and provide benefits that have become payable as a result of a Qualifying Termination occurring during the existence of the Plan shall survive any amendment or termination of the Plan.
(b)The provisions set forth in Section 5.2(a) that otherwise restrict amendments to the Plan shall not apply to an amendment (i) to the administrative provisions of the Plan that is required pursuant to applicable law and does not affect a Participant’s benefits or potential rights to benefits under the Plan, (ii) that adds Participants to the Plan, (iii) that increases the benefits
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payable under the Plan or otherwise constitutes improvement of a Participant’s rights under the Plan or (iv) that decreases the benefits of a Participant and is consented to in writing by such Participant.
5.3.Annual Review of Participants. The Committee shall, at least annually, review Appendix B and the Participants included in each level and make such changes as it deems appropriate in accordance with this Article V.
ARTICLE VI
CLAIMS PROCEDURES
6.1.Plan Administrator and Agent for Service of Process. The Compensation Committee of Freeport-McMoRan Inc., 333 North Central Ave., Phoenix, Arizona 85004, (602) 366-8100, is the “named fiduciary” and Plan Administrator of this Plan, except that following a Change in Control, “Plan Administrator” shall mean an independent plan administrator, selected by the Company prior to the Change in Control. The named fiduciary shall have the authority to control and manage the operation and administration of this Plan and is designated as the administrator of this Plan with the authority to interpret the Plan. The Plan Administrator shall make all reports and disclosures required by law. The Plan Year for reporting to government agencies and employees shall begin on January 1 and end on December 31 of each year.
6.2.Claims Procedures.
(a)Review by the Plan Administrator. If a claimant has an inquiry or claim for benefits, or any other right or interest under this Plan, the claimant may file a written request for review with the Plan Administrator. The Plan Administrator will review the claim and will notify the claimant as to whether such claim has been granted or denied within 90 days (unless the claimant is advised that special circumstances require an extension of time, with such extension of time not to exceed 90 days from the end of the initial 90-day period). If the notice of the denial of claim is not furnished in accordance with the procedure set out herein, the claim will be deemed denied and the claimant will be permitted to proceed to the review stage.
(b)If the claim is denied, the claimant will receive written or electronic notice of the adverse benefit determination explaining the denial in detail. The notice will include: (i) specific reason(s) for the denial; (ii) specific references to the Plan provision(s) on which the denial is based; (iii) whether any additional material or information is required and an explanation of why such material or information is needed; and (iv) an explanation of the Plan’s review and appeal procedures, including the claimant’s right to bring a civil action under Section 502(a) of ERISA following an adverse determination on review.
(c)Review Procedure. The claimant has the right to appeal a denied claim. The claimant, his or her authorized representative, or his or her beneficiary may file a written request for review of the claim with the Plan Administrator within 60 days after receipt of notification of the claim denial. As part of the claimant's request for review, the claimant will have the opportunity to submit issues and comments in writing for consideration, including position on each issue, additional facts that he or she believes support his or her position on each issue, and any legal or other arguments he believes support his position on each issue. The claimant will also be provided, upon request and free of charge, reasonable access to, and copies of, all documents, records, and other information relevant to the claimant’s claim for benefits. The review will take into account all comments, documents, records and other information submitted by the claimant, without regard to whether such information was submitted in the initial benefit determination.
(d)The Plan Administrator will hear and make a determination on the claimant's appeal as promptly as possible, but no later than 60 days after the receipt of a request of a request for review (unless the claimant is advised within such 60-day period that special
    6


circumstances require an extension of time, with such extension of time not to exceed 120 days after the receipt for review).
(e)The claimant will receive written or electronic notice. In the event of claim denial, the notice will include: (i) specific reason(s) for the denial; (ii) specific references to the Plan provision(s) on which the denial is based; (iii) a statement that the claimant is entitled to receive, upon request and free of charge, reasonable access to, and copies of, all documents, records, and other information relevant to the claimant’s claim for benefits; and (iv) a statement describing any voluntary appeal and arbitration procedures (if any) offered by the Plan and the claimant’s right to bring a civil action under Section 502(a) of ERISA.
(f)No legal action for recovery of benefits may be commenced before a claimant has exhausted the claims and claims review procedure described above.
(g)Right to Examine Plan Documents and to Submit Materials. In connection with the determination of a claim, or in connection with review of a denied claim or appeal pursuant to this Section 6.2, the claimant may examine this Plan and any other pertinent documents generally available to Participants relating to the claim and may submit written comments, documents, records and other information relating to the claim for benefits. The claimant also will be provided, upon request and free of charge, reasonable access to, and copies of, all documents, records, and other information relevant to the claimant's claim for benefits with such relevance to be determined in accordance with Section 6.2(h) (Claims Procedures – Relevance).
(h)Relevance. For purpose of this Section 6.2, documents, records, or other information shall be considered "relevant" to a claimant's claim for benefits if such documents, records or other information: (i) were relied upon in making the benefit determination; (ii) were submitted, considered, or generated in the course of making the benefit determination, without regard to whether such documents, records or other information were relied upon in making the benefit determination; or (iii) demonstrate compliance with the administrative processes and safeguards required pursuant to this Section 6.2 regarding the making of the benefit determination.
(i)Decisions Final; Procedures Mandatory. To the extent permitted by law, completion of the claims procedures described in this Section 6.2 shall be a mandatory precondition that must be complied with prior to commencement of a legal or equitable action in connection with the Plan by a person claiming rights under the Plan or by another person claiming rights through such a person. The Plan Administrator may, in its sole discretion, waive these procedures as a mandatory precondition to such an action.
ARTICLE VII
MISCELLANEOUS
7.1.Interpretation of the Plan. The Committee, or its authorized designee(s), shall have the sole discretionary authority to construe and interpret the Plan and determine all questions of eligibility for participation and for benefits. All decisions of the Committee prior to a Change in Control shall be final and binding on all parties. Following a Change in Control, all determinations of the Plan Administrator and/or the Committee shall be subject to de novo review by a court of competent jurisdiction or any other applicable fact finder.
7.2.Successors. The Plan will be binding upon any successor to the Company, its assets, its businesses or its interest (whether as a result of the occurrence of a Change in Control or otherwise), in the same manner and to the same extent that the Company would be obligated under the Plan if no succession had taken place. In the case of any transaction in which a successor would not by the foregoing provision or by operation of law be bound by the Plan, the Company shall require any successor to the Company to expressly and unconditionally assume the Plan in writing and honor the
    7


obligations of the Company hereunder, in the same manner and to the same extent that the Company would be required to perform if no succession had taken place. All payments and benefits that become due to a Participant under the Plan will inure to the benefit of his or her heirs, assigns, designees or legal representatives.
7.3.Mitigation. In no event shall a Participant be obligated to seek other employment or take any other action by way of mitigation of the amounts payable to the Participant under any of the provisions of this Plan and, except for any health care continuation or reimbursement therefor that is not reimbursed in a single lump sum payment, such severance amounts shall not be reduced whether or not the Participant obtains other employment. The Company’s obligation to make payments and provide the benefits required under the Plan will not be affected by any circumstances, including, without limitation, any set-off, counterclaim, recoupment, defense or other rights that the Company may have against the Participant.
7.4.Employment Status. The Plan does not alter the status of each Participant as an at-will employee of the Company. Nothing contained herein shall be deemed to give any Participant the right to remain employed by the Company or an Affiliate or to interfere with the rights of the Company or any of its Affiliates to terminate the employment of any Participant at any time, with or without Cause.
7.5.Legal Fees. In addition to all other amounts payable under the Plan, the Company will reimburse the Participant for all legal fees and expenses incurred by a Participant in connection with any dispute arising out of or relating to the Plan or the interpretation thereof (including, without limitation, all such fees and expenses, if any, incurred in seeking to obtain or enforce any right or benefit provided by the Plan), provided the Participant prevails on at least one material claim. Such fees and expenses shall be reimbursed to the Participant within ten (10) business days following the final termination, settlement or judgment of such dispute. The Company also agrees to pay, as incurred, all legal fees and expenses that a Participant may reasonably incur in connection with any tax audit or proceeding to the extent attributable to the application of section 4999 of the Code to any payment or benefit provided under this Plan.
7.6.Effect of Death on Benefits. If a Participant eligible to receive Separation Benefits under Section 4.2 hereof dies after experiencing a Qualifying Termination and before he or she receives such Separation Benefits, all rights of the Participant hereunder shall inure to the benefit of and be enforceable by the Participant’s legal representatives, executors, successors, heirs and legatees.
7.7.Unfunded Plan Status; Establishment of Rabbi Trust. All payments pursuant to the Plan shall be made from the general funds of the Company. No Participant or other person shall have under any circumstances any interest in any particular property or assets of the Company as a result of participating in the Plan. Notwithstanding the foregoing, the Company shall establish a trust to pay amounts that may become payable pursuant to the Plan, which trust shall be subject to the claims of the general creditors of the Company in the event of its bankruptcy or insolvency. The full value of the Separation Benefits that may become payable to each Participant (calculated as of the Change in Control) shall be contributed to such trust within five (5) business days of the Change in Control. Notwithstanding any establishment of such a trust, the Company shall remain responsible for the payment of any amounts so payable that are not paid by such trust. Further, unless written approval has been provided by all Participants and beneficiaries entitled to payment of benefits under the terms of the Plan, after the establishment and funding of such trust, the Company will have no right or power to amend or terminate the trust, direct the trustee of such trust to return to the Company or to divert trust assets for purposes other than those specified under this Plan before the later to occur of (a) the date all payments of benefits have been made to Plan participants and/or their beneficiaries pursuant to the terms of the Plan, and (b) the end the Protected Period. The Company’s obligation to fund the trust shall be suspended during any period when such funding would result in the imposition of taxes on the Participants under Section 409A.
7.8.Validity and Severability. The invalidity or unenforceability of any provision of the Plan shall not affect the validity or enforceability of any other provision of the Plan, which shall remain in full
    8


force and effect, and any prohibition or unenforceability in any jurisdiction shall not invalidate or render unenforceable such provision in any other jurisdiction.
7.9.Governing Law. The validity, interpretation, construction and performance of the Plan shall in all respects be governed by the laws of Delaware, without reference to principles of conflict of law, except to the extent pre-empted by Federal law.
7.10.Effect on Other Plans, Agreements and Benefits. Except to the extent expressly set forth herein, any benefit or compensation to which a Participant is entitled under any agreement between the Participant and the Company or any of its Affiliates or under any plan maintained by the Company or any of its Affiliates in which the Participant participates or participated shall not be modified or lessened in any way, but shall be payable according to the terms of the applicable plan or agreement. Notwithstanding the foregoing, any benefits received by a Participant pursuant to this Plan shall be in lieu of any severance benefits to which the Participant would otherwise be entitled under any general severance policy or any other severance plan maintained by the Company for its management personnel. This Plan supersedes and replaces the Executive Change in Control Severance Plan adopted by the Company effective February 1, 2004, as amended and restated December 2, 2008.
7.11.Notice. For the purpose of this Plan, notices and all other communications provided for in this Plan shall be in writing and shall be deemed to have been duly given when actually delivered or mailed by United States registered mail, return receipt requested, postage prepaid, addressed to the Company at its corporate headquarters address, and to the Participant (at the last address of the Participant on the Company’s books and records), provided, that all notices to the Company shall be directed to the attention of the Board with a copy to the Secretary.
7.12.Withholding. The Participant agrees that the Company has the right to withhold, from the amounts payable pursuant to this Plan, all amounts required to be withheld under applicable income and/or employment tax laws, or as otherwise stated in documents granting rights that are affected by this Plan.
    9


FREEPORT-McMoRan INC.
EXECUTIVE CHANGE IN CONTROL SEVERANCE PLAN

APPENDIX A: DEFINITIONS

    As used in the Plan, the following definitions shall apply:

Accounting Firm” shall mean a nationally recognized certified public accounting firm or other professional organization that is a certified public accounting firm recognized as an expert in determinations and calculations for purposes of Section 280G of the Code that is selected by the Company prior to a Change in Control for purposes of making the applicable determinations hereunder, which firm shall not, without the consent of any affected Participant, be a firm serving as accountant or auditor for the individual, entity or group effecting the Change in Control.

Affiliate” shall mean a Person that directly, or indirectly through one or more intermediaries, controls, or is controlled by, or is under common control with, another specified Person.

Average Bonus” shall mean the average of the annual incentive awards paid to the Participant for the three full fiscal years immediately preceding the date of the Change in Control or, if a higher amount results, the Termination Date; provided, however:

(a)    If the Participant has been employed less than three full fiscal years, the Average Bonus shall be the average of such lesser number of years that the Participant has received an annual incentive award under a Company or Affiliate annual incentive program, provided that for purposes of calculating such average, an annual incentive award for a prior fiscal year that was reduced pro rata because the Participant was not an employee for the full fiscal year shall be annualized; and

(b)     If the Participant has not previously received an annual incentive award, the Average Bonus will equal the bonus amount set forth in any offer letter and if no bonus amount is specified in an offer letter the Average Bonus will equal the Participant’s Base Salary.

Base Salary” shall mean a Participant’s annualized base rate of pay at the time of the Participant’s termination of employment (excluding all bonuses, overseas premiums, employer paid portion of employee benefits, deferred compensation, and all other fringe benefits, but before the withholding of payroll taxes and insurance premiums); provided, however, that for purposes of calculating the Severance Payment of a Participant pursuant to Section 4.2(b), “Base Salary” shall not be less than the Participant’s Base Salary in effect immediately preceding the Change in Control and shall be determined without regard to any reduction that would provide the Participant a basis to terminate employment for Good Reason.

Benefit Continuation Period” shall mean the earliest of (a) the end of the eighteen (18)-month period following the Termination Date, (b) the date on which the Participant becomes eligible to receive substantially similar benefits from another employer, and (c) the date the Participant is no longer eligible for COBRA continuation coverage, if applicable.

Board” shall mean the Board of Directors of the Company, and, following a Change in Control, if the Company is not the ultimate parent entity of the Company and is not publicly traded, the board of directors (or, for a non-corporate entity, equivalent governing body) of the ultimate parent of the Company.

Cause” shall mean:

(a)The Participant’s willful and continued failure to perform substantially the Participant’s duties with the Company or its Affiliates (other than any such failure resulting from incapacity due to physical or mental illness), after a written demand for substantial performance is
    A-1


delivered to the Participant by the Board, which specifically identifies the manner in which the Board believes that the Participant has not substantially performed the Participant’s duties;
(b)The final conviction of the Participant or an entering of a guilty plea or a plea of no contest by the Participant to a felony; or
(c)The Participant’s gross negligence or willful misconduct that is materially injurious to the Company, including its reputation or business.
For purposes of this provision, no act or failure to act, on the part of the Participant, will be considered “willful” unless it is done, or omitted to be done, by the Participant in bad faith or without a reasonable belief that the act or omission was in the best interests of the Company or its Affiliates. Any act, or failure to act, based upon authority given pursuant to a resolution duly adopted by the Board or based upon the advice of counsel for the Company and its Affiliates shall be conclusively presumed to be done, or omitted to be done, by Executive in good faith and in the best interests of the Company and its Affiliates. Termination of a Participant’s employment shall not be deemed to be for Cause unless and until the Company delivers to the Participant a copy of a resolution duly adopted by the affirmative vote of not less than three-quarters of the Board (after reasonable written notice is provided to the Participant and the Participant is given an opportunity, together with counsel, to be heard before the Board), finding that the Participant has engaged in the conduct described in any of (a)-(c) above.

Change in Control” shall have the meaning set forth in the Company’s 2016 Stock Incentive Plan, as such plan may be amended, or any stock incentive plan that is a successor or substitute thereof; provided that if a Participant experiences a Qualifying Termination during the Pre-CIC Period, such Change in Control must also constitute a “change in the ownership”, “change in effective control”, and/or a “change in the ownership of a substantial portion of assets” of the Company as those terms are defined under Treasury Regulation §1.409A-3(i)(5), to the extent necessary to avoid the imposition of taxes under Section 409A.

COBRA” shall mean the Consolidated Omnibus Budget Reconciliation Act of 1985.

Code” shall mean the Internal Revenue Code of 1986, as amended, and the Treasury Regulations and other interpretive guidance issued thereunder, including any issued after the Effective Date.

Committee” shall mean the Compensation Committee of the Board or any committee thereof duly authorized by the Board to administer the Plan. The Board may at any time administer the Plan, in whole or in part, notwithstanding that the Board has previously appointed a committee to act as the administrator.

Company” shall mean Freeport-McMoRan Inc., and any successor to or assignee of (whether direct or indirect, by purchase, merger, consolidation or otherwise) all or substantially all of the assets of the Company. For the avoidance of doubt, following a Change in Control, all references to the “Company” shall refer to the post-transaction company.

Disability” shall mean total and permanent disability as defined in Section 22(e)(3) of the Code, unless the Participant is covered by a long-term disability plan maintained by the Company or an Affiliate at the time of the Participant’s termination of employment, in which case the determination of disability under such plan will also be considered “Disability” for purposes of this Plan.

Effective Date” shall mean May 5, 2020.

ERISA shall mean the Employee Retirement Income Security Act of 1974, as amended.

Executive Officer shall mean an officer of the Company designated as an “executive officer” in accordance with Rule 13b-7 under the Securities Exchange Act of 1934.
    A-2


Good Reason” shall mean the occurrence of any of the following during the Protected Period following a Change in Control (it being understood that a Participant’s voluntary termination prior to a Change in Control will not support a claim for Good Reason termination):

(a)Any material diminution of or failure of the Company or its Affiliates to provide the Participant with the title, position, authority, duties and responsibilities that are in each case at least commensurate in all material respects with the most significant of those held or exercised by and/or assigned to the Participant at any time during the one-year period preceding the Change in Control;
(b)The assignment to the Participant of any duties inconsistent in any material respect with the Participant’s most significant position (including offices, titles and reporting requirements), authority, duties or responsibilities held or exercised by and/or assigned to the Participant at any time during the one-year period preceding the Change in Control;
(c)A material diminution in the authorities, duties or responsibilities of the person to whom the Participant is required to report, including a requirement that the Participant report to an officer or employee if the Participant previously reported directly to the Board;
(d)Failure of the Company or its Affiliates to provide the Participant with the total pay opportunity (including, in the aggregate, Base Salary, target bonus opportunity and long-term incentive opportunity, if applicable, and insurance and other employee benefits) at least commensurate with the highest total pay opportunity available to the Participant within the one-year period preceding the Change in Control, unless such failure is the result of an across-the-board reduction applicable to all Company executives (which includes, for the avoidance of doubt, similarly situated executives of the acquiring company) of less than 10%;
(e)Any failure by the Company or its Affiliates to comply with any of the provisions of this Plan, other than an isolated, insubstantial and inadvertent failure not occurring in bad faith that is remedied within 10 days after receipt of written notice thereof from the Participant to the Company;
(f)Relocation of the Participant’s principal office to a location more than 50 miles from his or her current office location, provided such relocation results in an increase in the Participant’s commute;
(g)The Company or its Affiliates requiring the Participant to travel on business to a substantially greater extent than required immediately prior to the Change in Control; or
(h)Any failure by the Company to require a successor to assume its obligations hereunder in compliance with Section 7.2 of the Plan.
Notwithstanding the foregoing, Participant shall not have the right to terminate Participant's employment hereunder for Good Reason unless (1) within 30 days of the initial existence of the condition or conditions giving rise to such right, or if later, within 30 days after the Change in Control, Participant provides written notice to the Company of the existence of such condition or conditions, and (2) the Company fails to remedy such condition or conditions within 30 days following the receipt of such written notice (the “Cure Period”). If any such condition is not remedied within the Cure Period, Participant must terminate Participant's employment with the Company within a reasonable period of time, not to exceed thirty (30) days, following the end of the Cure Period.

“Level One Executive(s)” shall mean the Chief Executive Officer of the Company and any other Executive Officer designated on Appendix B, as it may be amended from time to time by the Committee in accordance with Article V, as a “Level One Executive” for purposes of the Plan.
    A-3


Level Two Executive(s)” shall mean any Executive Officer or other officer of the Company designated on Appendix B, as it may be amended from time to time by the Committee in accordance with Article V, as a “Level Two Executive” for purposes of the Plan.

Level Three Executive(s)” shall mean any officer of the Company designated on Appendix B, as it may be amended from time to time in accordance with Article V, as a “Level Three Executive” for purposes of the Plan. Executive Officers may not be Level Three Executives.

Participant” shall mean an individual designated on Appendix B, as it may be amended from time to time in accordance with Article V.

Person” shall mean a natural person or entity, and will also mean the group or syndicate created when two or more Persons act as a syndicate or other group (including without limitation a partnership, limited partnership, joint venture or other joint undertaking) for the purpose of acquiring, holding, or disposing of a security.

Plan Administrator” shall have the meaning provided in Section 6.1.

The “Protected Period” shall begin on the date of a Change in Control and shall end on the second anniversary of the Change in Control. The Protected Period shall also include any period preceding the Change in Control beginning on either the date (A) the Company signs the letter of intent or agreement with respect to the transaction that results in the Change in Control, or (B) a public announcement is made of the proposed transaction that results in the Change in Control (such period being the Pre-CIC Period).

Qualifying Termination shall mean a termination of employment of a Participant under the circumstances described in Section 4.1.

Section 409A” shall mean Section 409A of the Code.

Separation Benefits” shall have the meaning set forth in Section 4.3.

Separation from Service” shall mean a termination of employment in such a manner as to constitute a “separation from service” as defined under Treasury Regulations Section 1.409A-1(h), for any reason other than death.

Termination Date” shall mean, if (a) Participant’s termination of employment is (a) by the Company for any reason other than Cause, death or Disability, the date of delivery of the notice of termination or any later date specified in the notice of termination, which date will not be more than 30 days after the giving of the notice, or (b) by the Participant for Good Reason, the date of delivery of the notice of termination or any later date specified in the notice of termination, which date will not be more than 30 days after the giving of the notice; provided in all cases that such termination of employment constitutes a Separation from Service.
    A-4


FREEPORT-McMoRan INC.
EXECUTIVE CHANGE IN CONTROL SEVERANCE PLAN

APPENDIX B: PLAN PARTICIPANTS
(as of March 1, 2022)


[Personal information intentionally omitted pursuant to Item 601(a)(6) of Regulation S-K]


Level One Executives
NameTitle
Level Two Executives
NameTitle
Level Three Executives
NameTitle



    B-1


FREEPORT-McMoRan INC.
EXECUTIVE CHANGE IN CONTROL SEVERANCE PLAN

APPENDIX C: FORM OF SEPARATION AGREEMENT AND RELEASE


SEPARATION AGREEMENT AND RELEASE

This Separation Agreement and Release (this “Release”) is granted effective as of the date signed below by ________ (“Executive”) in favor of __________ (the “Company”), successor in interest to Freeport-McMoRan Inc. pursuant to __________ [INSERT DESCRIPTION OF TRANSACTION]. Capitalized terms not defined in this Release are as defined in the Freeport-McMoRan Inc. Executive Change in Control Severance Plan (the “Plan”). Executive gives this Release in consideration of the Company’s promises and covenants as recited in the Plan, with respect to which this Release is an integral part. Executive agrees as follows:
1.General Release. Executive, individually and on behalf of Executive’s successors, assigns, attorneys, and all those entitled to assert Executive’s rights, now and forever hereby releases and discharges the Company and its respective officers, directors, stockholders, trustees, employees, agents, fiduciaries, parent corporations, subsidiaries, affiliates, estates, successors, assigns and attorneys (the “Released Parties”), from any and all claims, actions, causes of action, sums of money due, suits, debts, liens, covenants, contracts, obligations, costs, expenses, damages, judgments, agreements, promises, demands, claims for attorney’s fees and costs, or liabilities whatsoever (collectively, “Claims”), in law or in equity, which Executive ever had or now has against the Released Parties, including, without limitation, any Claims arising by reason of or in any way connected with any employment relationship which existed between the Company and its affiliates and Executive and/or the termination of such relationship. It is understood and agreed that this Release is intended to cover all Claims, whether known or unknown, of any nature whatsoever, including those which may be traced either directly or indirectly to the aforesaid employment relationship, and/or the termination of that relationship, that Executive has, had or purports to have, from the beginning of time to the date of this Release, and including but not limited to Claims arising or alleged to arise under any federal, state or municipal statute, law or regulation, including, but not limited to, Title VII of the Civil Rights Act of 1964, the Americans with Disabilities Act of 1990, the Family and Medical Leave Act, or the Fair Labor Standards Act; Claims for statutory or common law wrongful discharge or termination in violation of public policy; Claims for breach of contract, express or implied, promissory estoppel, fraud, misrepresentation, interference with contract or prospective economic advantage, or unfair business practices; Claims for defamation, libel or slander; Claims for intentional or negligent infliction of emotional distress; Claims for wages or vacation pay; Claims for benefits or that in any way relate to the design or administration of any employee benefit program, including any Claims arising under the Employee Retirement Income Security Act; Claims for attorney’s fees, expenses and costs; or Claims under any other applicable federal, state or local law or legal concept.
2.Release of Claims Under Age Discrimination in Employment Act. Without limiting the generality of the foregoing General Release, Executive agrees that by executing this Release, [he/she] has released and waived any and all Claims he has or may have as of the date of this Release under the Age Discrimination in Employment Act, 29 U.S.C. §621, et seq. Executive acknowledges and agrees that Executive has been, and hereby is, advised by Company to consult with an attorney prior to executing this Release; that the consideration Executive receives for this Release is in addition to anything of value to which Executive is already entitled in the absence of accepting this Release; and that Company has offered Executive the opportunity, before executing this Release, to consider this Release for a period of up to twenty-one (21) calendar days. It is further understood that Executive may revoke [his/her] acceptance of this Release at any time within seven (7) calendar days following the date of [his/her] execution of this Release and, therefore, that this Release is not effective and none of the consideration for this Release shall be provided to Executive until after the seven (7) calendar day revocation period has expired without Executive having exercised [his/her] right to revoke, subject to any further delay imposed by the Plan.
    C-1


3.Release of Unknown Claims. Executive understands and agrees that this Release is a full and final release covering all known and unknown, suspected or unsuspected injuries, debts, Claims or damages which have arisen or may have arisen from any matters, acts, omissions or dealings released in this Release. Executive fully understand that if any fact with respect to any matter covered in this Release is found hereinafter to be other than or different from the facts believed by Executive to be true at the time of the execution of this Release, Executive expressly accepts and assumes that this Release shall be and remain effective, notwithstanding such difference in facts.
4.Limited Exceptions to Release. The only exceptions to this Release of Claims are with respect to (1) such Claims as may arise after the date this Release is executed; (2) any indemnification obligations to Executive under Company’s bylaws, certificate of incorporation, law or otherwise; (3) Executive’s vested rights under the terms of employee benefit plans sponsored by the Company; (4) applicable Workers’ Compensation benefits for occupational injuries or illnesses; (5) the right to file a claim for unemployment benefits under state law; and (6) any rights which by law may not be released by private agreement, including Executive’s right to file, participate in or cooperate with an administrative proceeding with or by the United States Equal Employment Opportunity Commission or any other government agency, provided, however, that he expressly waives [his/her] right to claim, receive, or accept any monies, damages or other individual relief awarded as a result of any charge of discrimination or lawsuit which may be filed by [him/her] or anyone acting on [his/her] behalf.
5.Knowing and Voluntary Nature of Release. Executive expressly acknowledges that Executive has read and understands each and every provision of this Release and the Plan, which is incorporated herein by reference; that [he/she] has executed this Release voluntarily, without any duress or undue influence on the part or on behalf of Company or any third party, with the full intent of releasing all Claims against Company and all other Released Parties. Executive is fully aware of the legal and binding effect of this Release.
6.Post-Termination Obligations and Covenants
(a)Confidential Information.
(i)Executive shall hold in a fiduciary capacity for the benefit of the Company all Confidential Information relating to the Company or any of its affiliates, and their respective businesses, which shall have been obtained by Executive during Executive’s employment by the Company or any of its affiliates and which shall not be or become public knowledge (other than by acts by Executive or representatives of Executive in violation of the Plan). After termination of Executive’s employment with the Company, Executive shall not, without the prior written consent of the Company or as may otherwise be required by law or legal process, communicate or divulge any such Confidential Information to anyone other than the Company and those designated by it. If Executive fails to maintain such confidentiality, then the Company may offset the damages of such breach, as determined solely by the Company, against the Separation Benefits. Executive acknowledges that any such offset of payments would be an exercise of the Company’s right to offset its performance hereunder upon Executive’s breach of [his/her] confidentiality obligation; such offset of payments would not constitute, and shall not be characterized as, the imposition of liquidated damages.
(ii)“Confidential Information” shall mean any information, knowledge or data of any nature and in any form (including information that is electronically transmitted or stored on any form of magnetic or electronic storage media) relating to the past, current or prospective business or operations of the Company and its subsidiaries, that at the time or times concerned is not generally known to persons engaged in businesses similar to those conducted or contemplated by the Company and its subsidiaries (other than information known by such persons through a violation of an obligation of confidentiality to the Company), whether produced by the Company and its subsidiaries or any of their
    C-2



consultants, agents or independent contractors or by Executive, and whether or not marked confidential, including without limitation information relating to the Company’s or its subsidiaries’ products and services, business plans, business acquisitions, processes, product or service research and development ideas, methods or techniques, training methods and materials, and other operational methods or techniques, quality assurance procedures or standards, operating procedures, files, plans, specifications, proposals, drawings, charts, graphs, support data, trade secrets, supplier lists, supplier information, purchasing methods or practices, distribution and selling activities, consultants’ reports, marketing and engineering or other technical studies, maintenance records, employment or personnel data, marketing data, strategies or techniques, financial reports, budgets, projections, cost analyses, price lists, formulae and analyses, employee lists, customer records, customer lists, customer source lists, proprietary computer software, and internal notes and memoranda relating to any of the foregoing.
(b)Non-disparagement. Executive agrees and covenants that the Executive shall not at any time make, publish, or communicate to any person or entity or in any public forum any defamatory or disparaging remarks, comments, or statements concerning the Company or its businesses, or any of its employees, officers, or directors now or in the future. This Section does not in any way restrict or impede Executive from exercising protected rights, including rights under the National Labor Relations Act (NLRA) or the federal securities laws, including the Dodd-Frank Act, to the extent that such rights cannot be waived by agreement or from complying with any applicable law or regulation or a valid order of a court of competent jurisdiction or an authorized government agency, provided that such compliance does not exceed that required by the law, regulation, or order. Executive shall promptly provide written notice of any such order to [INSERT NAME, TITLE, PHYSICAL ADDRESS, FAX #, AND EMAIL ADDRESS OF COMPANY PERSON DESIGNATED].
(c)Cooperation. The parties agree that certain matters in which Executive has been involved during Executive’s employment may need Executive’s cooperation with the Company in the future. Accordingly, for a period of [number of days or months] after the Termination Date, to the extent reasonably requested by the Company, Executive shall cooperate with the Company regarding matters arising out of or related to Executive’s service to the Company, provided that the Company shall make reasonable efforts to minimize disruption of Executive’s other activities. The Company shall reimburse Executive for reasonable expenses incurred in connection with this cooperation and, to the extent that Executive is required to spend [substantial time/more than [NUMBER OF HOURS OR DAYS]] on such matters, the Company shall compensate Executive at an hourly rate [based on Executive’s base salary on the Termination Date/of $[AMOUNT] per hour].
(d)Covenant Not to Sue. Executive agrees and covenants not to sue Company or any other of the Released Parties in any local, state or federal court or any other court or tribunal for any Claims released by this Release.
7.Non-Admission. The benefits provided under the Plan are not to be construed as an admission of any liability whatsoever on the part of the Company or any of the other Released Parties, by whom liability is expressly denied.
8.Acceptance and Revocation Period. As provided in the Plan, to receive the Separation Benefits under the Plan, Executive must sign and return this Release to [INSERT NAME, TITLE, PHYSICAL ADDRESS, FAX #, AND EMAIL ADDRESS OF COMPANY PERSON DESIGNATED TO RECEIVE EXECUTIVE’S RELEASE] by no later than 5:30 p.m. Central Standard Time on the 21st calendar day following the date Executive received this Release. In the event Executive signs and returns this Release prior to the expiration of such 21-day period, Executive waives [his/her] right to review and consider the Release for the remainder of such 21-day period. In the event Executive fails to sign and return this Release within such 21-day period, the Separation Benefits provided under the Plan no longer will be available to Executive. In the event Executive elects to exercise [his/her] right to revoke
    C-3



[his/her] acceptance of this Release, Executive’s written revocation must be delivered in person or by fax or email to [INSERT NAME, TITLE, PHYSICAL ADDRESS, FAX #, AND EMAIL ADDRESS OF COMPANY PERSON DESIGNATED TO RECEIVE EXECUTIVE’S NOTICE OF REVOCATION] by no later than 5:30 p.m. Central Standard Time on the 7th calendar day following the date of Executive’s acceptance of this Release, and in such event, none of the Separation Benefits described in the Plan will be provided to Executive. In the event Executive does not exercise [his/her] right to revoke [his/her] acceptance of this Release within the seven (7) day revocation period, this Release shall be final and binding on Executive and Company and fully enforceable by either of them.
9.Governing Law and Severability. This Release and the rights and obligations of the parties hereto shall be governed and construed in accordance with the laws of the State of [INSERT STATE]. If any provision hereof is unenforceable or is held to be unenforceable, such provision shall be fully severable, and this document and its terms shall be construed and enforced as if such unenforceable provision had never comprised a part hereof, the remaining provisions hereof shall remain in full force and effect, and the court or tribunal construing the provisions shall add as a part hereof a provision as similar in terms and effect to such unenforceable provision as may be enforceable, in lieu of the unenforceable provision.
10.Complete Agreement. This Release and the Plan set forth the entire understanding and agreement between Executive and Company concerning the subject matter of this Release and supersede and invalidate any previous agreements or contracts. No representations, inducements, promises or agreements, oral or otherwise, which are not embodied herein shall be of any force or effect.
    I have read and understood this Release (including the Plan, which is incorporated by reference), and I hereby AGREE TO and ACCEPT its terms and conditions.

                
[Executive’s Name]

                
Executive’s Signature Date

    C-4


Exhibit 21.1
List of Subsidiaries of
Freeport-McMoRan Inc.
Entity (1)Jurisdiction of Organization
Atlantic Copper, S.L.U.Spain
Climax Molybdenum CompanyDelaware
Cyprus Amax Minerals CompanyDelaware
Cyprus Climax Metals CompanyDelaware
Cyprus Metals CompanyDelaware
Freeport Minerals CorporationDelaware
Freeport-McMoRan Morenci Inc.Delaware
PT Freeport IndonesiaIndonesia
Sociedad Minera Cerro Verde S.A.A.Peru
  
(1)Omitted from this list are subsidiaries that, considered in the aggregate as a single subsidiary, would not constitute a significant subsidiary as of December 31, 2021.


Exhibit 22.1
List of Subsidiary Guarantors and Subsidiary Issuers of Guaranteed Securities

From time to time Freeport-McMoRan Inc. (FCX) may issue debt securities under a registration statement on Form S-3 filed with the Securities and Exchange Commission that are fully and unconditionally guaranteed by Freeport-McMoRan Oil & Gas LLC, a Delaware limited liability company, 100-percent-owned subsidiary of FCX Oil & Gas LLC and indirect subsidiary of FCX.

Freeport Minerals Corporation (FMC), a Delaware corporation, is a 100-percent-owned subsidiary of FCX and an issuer of senior notes and debentures that are guaranteed by FCX.

The following are senior notes and debentures issued by FMC and guaranteed by FCX as of December 31, 2021:
71/8% Debentures due 2027
9½% Senior Notes due 2031
61/8% Senior Notes due 2034


Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

We consent to the incorporation by reference in the following Registration Statements:

1)Registration Statement (Form S-8 No. 333-105535) pertaining to the Freeport-McMoRan Copper & Gold Inc. 2003 Stock Incentive Plan,
2)Registration Statement (Form S-8 No. 333-115292) pertaining to the Freeport-McMoRan Copper & Gold Inc. 2004 Director Compensation Plan,
3)Registration Statement (Form S-8 No. 333-136084) pertaining to the  Freeport-McMoRan Copper & Gold Inc. 2006 Stock Incentive Plan,
4)Registration Statement (Form S-8 No. 333-147413) pertaining to the Amended and Restated Freeport-McMoRan Copper & Gold Inc. 2006 Stock Incentive Plan,
5)Registration Statement (Form S-8 No. 333-189047) pertaining to the Plains Exploration & Production Company 2010 Incentive Award Plan; the Plains Exploration & Production 2004 Stock Incentive Plan; the McMoRan Exploration Co. Amended and Restated 2008 Stock Incentive Plan; the McMoRan Exploration Co. 2005 Stock Incentive Plan, as amended and restated; the McMoRan Exploration Co. 2004 Director Compensation Plan, as amended and restated; the McMoRan Exploration Co. 2003 Stock Incentive Plan, as amended and restated; the McMoRan Exploration Co. 2001 Stock Incentive Plan, as amended and restated; the McMoRan Exploration Co. 2000 Stock Incentive Plan, as amended and restated; the McMoRan Exploration Co. 1998 Stock Option Plan, as amended and restated; and the McMoRan Exploration Co. 1998 Stock Option Plan for Non-Employee Directors, as amended and restated,
6)Registration Statement (Form S-8 No. 333-212523) pertaining to the Freeport-McMoRan Inc. 2016 Stock Incentive Plan, and
7)Registration Statement (Form S-3 No. 333-258522) pertaining to the Freeport-McMoRan Inc. 2021
Automatic Shelf Registration Statement, as amended

of our reports dated February 15, 2022, with respect to the consolidated financial statements and schedule of Freeport-McMoRan Inc. and the effectiveness of internal control over financial reporting of Freeport-McMoRan Inc. included in this Annual Report (Form 10-K) for the year ended December 31, 2021.

/s/ Ernst & Young LLP

Phoenix, Arizona
February 15, 2022


Exhibit 23.2
CONSENT OF QUALIFIED PERSON

I, James Young, in connection with the Annual Report on Form 10-K for the year ended December 31, 2021 and any amendments or supplements and/or exhibits thereto (collectively, the Form 10-K), consent to:

the filing and use of the technical report summary titled “Technical Report Summary of Mineral Reserves and Mineral Resources for Cerro Verde Mine” (the “Technical Report Summary”), with an effective date of December 31, 2021, as an exhibit to and referenced in the Form 10-K;
the use of and references to my name, including my status as an expert or “qualified person” (as defined in Subpart 1300 of Regulation S-K promulgated by the Securities and Exchange Commission), in connection with the Form 10-K and any such Technical Report Summary; and
the use of information derived, summarized, quoted or referenced from the Technical Report Summary, or portions thereof, that was prepared by me, that I supervised the preparation of and/or that was reviewed and approved by me, that is included or incorporated by reference in the Form 10-K.

I also consent to the incorporation by reference in Registration Statements on Form S-8 (Nos. 333-105535; 333-115292; 333-136084; 333-147413; 333-189047; and 333-212523) and Registration Statement on Form S-3 (No. 333-258522) of the above items as included in the Form 10-K.

I am a qualified person responsible for authoring, and this consent pertains to, the following Sections of the Technical Report Summary:

Section 2 through 5, 11.2 through 13.1, 13.1.3 through 13.3, 15 through 26, and corresponding section of the Executive Summary.

Dated February 15, 2022


/s/ James Young
Name:
James Young, P.Eng., RM-SME
Title:
Manager of Mine Planning – Reserves Freeport-McMoRan Inc.



CONSENT OF QUALIFIED PERSON

I, Paul Albers, in connection with the Annual Report on Form 10-K for the year ended December 31, 2021 and any amendments or supplements and/or exhibits thereto (collectively, the Form 10-K), consent to:

the filing and use of the technical report summary titled “Technical Report Summary of Mineral Reserves and Mineral Resources for Cerro Verde Mine” (the “Technical Report Summary”), with an effective date of December 31, 2021, as an exhibit to and referenced in the Form 10-K;
the use of and references to my name, including my status as an expert or “qualified person” (as defined in Subpart 1300 of Regulation S-K promulgated by the Securities and Exchange Commission), in connection with the Form 10-K and any such Technical Report Summary; and
the use of information derived, summarized, quoted or referenced from the Technical Report Summary, or portions thereof, that was prepared by me, that I supervised the preparation of and/or that was reviewed and approved by me, that is included or incorporated by reference in the Form 10-K.

I also consent to the incorporation by reference in Registration Statements on Form S-8 (Nos. 333-105535; 333-115292; 333-136084; 333-147413; 333-189047; and 333-212523) and Registration Statement on Form S-3 (No. 333-258522) of the above items as included in the Form 10-K.

I am a qualified person responsible for authoring, and this consent pertains to, the following Sections of the Technical Report Summary:

Sections 2, 6 through 7.5, 7.8, 8, 9, 11.1, 21 through 26, and corresponding sections of the Executive Summary.

Dated February 15, 2022


/s/ Paul Albers
Name:Paul Albers, P.Geo., RM-SME
Title:
Exploration Leader – Americas Freeport-McMoRan Inc.



CONSENT OF QUALIFIED PERSON

I, Luis Tejada, in connection with the Annual Report on Form 10-K for the year ended December 31, 2021 and any amendments or supplements and/or exhibits thereto (collectively, the Form 10-K), consent to:

the filing and use of the technical report summary titled “Technical Report Summary of Mineral Reserves and Mineral Resources for Cerro Verde Mine” (the “Technical Report Summary”), with an effective date of December 31, 2021, as an exhibit to and referenced in the Form 10-K;
the use of and references to my name, including my status as an expert or “qualified person” (as defined in Subpart 1300 of Regulation S-K promulgated by the Securities and Exchange Commission), in connection with the Form 10-K and any such Technical Report Summary; and
the use of information derived, summarized, quoted or referenced from the Technical Report Summary, or portions thereof, that was prepared by me, that I supervised the preparation of and/or that was reviewed and approved by me, that is included or incorporated by reference in the Form 10-K.

I also consent to the incorporation by reference in Registration Statements on Form S-8 (Nos. 333-105535; 333-115292; 333-136084; 333-147413; 333-189047; and 333-212523) and Registration Statement on Form S-3 (No. 333-258522) of the above items as included in the Form 10-K.

I am a qualified person responsible for authoring, and this consent pertains to, the following Sections of the Technical Report Summary:

Sections 2, 7.6 through 7.8, 13.1.1, 13.1.2, 21 through 26, and corresponding sections of the Executive Summary.

Dated February 15, 2022


/s/ Luis Tejada
Name:Luis Tejada, Prof. Eng. Peru, RM-SME
Title:
Manager of Geomechanical Engineering Freeport-McMoRan Inc.



CONSENT OF QUALIFIED PERSON

I, Jacklyn Steeples, in connection with the Annual Report on Form 10-K for the year ended December 31, 2021 and any amendments or supplements and/or exhibits thereto (collectively, the Form 10-K), consent to:

the filing and use of the technical report summary titled “Technical Report Summary of Mineral Reserves and Mineral Resources for Cerro Verde Mine” (the “Technical Report Summary”), with an effective date of December 31, 2021, as an exhibit to and referenced in the Form 10-K;
the use of and references to my name, including my status as an expert or “qualified person” (as defined in Subpart 1300 of Regulation S-K promulgated by the Securities and Exchange Commission), in connection with the Form 10-K and any such Technical Report Summary; and
the use of information derived, summarized, quoted or referenced from the Technical Report Summary, or portions thereof, that was prepared by me, that I supervised the preparation of and/or that was reviewed and approved by me, that is included or incorporated by reference in the Form 10-K.

I also consent to the incorporation by reference in Registration Statements on Form S-8 (Nos. 333-105535; 333-115292; 333-136084; 333-147413; 333-189047; and 333-212523) and Registration Statement on Form S-3 (No. 333-258522) of the above items as included in the Form 10-K.

I am a qualified person responsible for authoring, and this consent pertains to, the following Sections of the Technical Report Summary:

Sections 2, 10, 12, 14, 15, 18, 21 through 26, and corresponding sections of the Executive Summary.

Dated February 15, 2022


/s/ Jacklyn Steeples
Name:Jacklyn Steeples, RM-SME
Title:
Manager of Processing Operational Improvement Freeport-McMoRan Inc.



CONSENT OF QUALIFIED PERSON

I, Edward Rybinski, in connection with the Annual Report on Form 10-K for the year ended December 31, 2021 and any amendments or supplements and/or exhibits thereto (collectively, the Form 10-K), consent to:

the filing and use of the technical report summary titled “Technical Report Summary of Mineral Reserves and Mineral Resources for Cerro Verde Mine” (the “Technical Report Summary”), with an effective date of December 31, 2021, as an exhibit to and referenced in the Form 10-K;
the use of and references to my name, including my status as an expert or “qualified person” (as defined in Subpart 1300 of Regulation S-K promulgated by the Securities and Exchange Commission), in connection with the Form 10-K and any such Technical Report Summary; and
the use of information derived, summarized, quoted or referenced from the Technical Report Summary, or portions thereof, that was prepared by me, that I supervised the preparation of and/or that was reviewed and approved by me, that is included or incorporated by reference in the Form 10-K.

I also consent to the incorporation by reference in Registration Statements on Form S-8 (Nos. 333-105535; 333-115292; 333-136084; 333-147413; 333-189047; and 333-212523) and Registration Statement on Form S-3 (No. 333-258522) of the above items as included in the Form 10-K.

I am a qualified person responsible for authoring, and this consent pertains to, the following Sections of the Technical Report Summary:

Sections 2, 10, 12, 14, 15, 18, 21 through 26, and corresponding sections of the Executive Summary.

Dated February 15, 2022


/s/ Edward Rybinski
Name:Edward Rybinski, RM-SME
Title:
Manager Cerro Verde C2 Concentrator Freeport-McMoRan Inc.

Exhibit 23.3
CONSENT OF QUALIFIED PERSON

I, Andrew Issel, in connection with the Annual Report on Form 10-K for the year ended December 31, 2021 and any amendments or supplements and/or exhibits thereto (collectively, the Form 10-K), consent to:

the filing and use of the technical report summary titled “Technical Report Summary of Mineral Reserves and Mineral Resources for Grasberg Minerals District” (the “Technical Report Summary”), with an effective date of December 31, 2021, as an exhibit to and referenced in the Form 10-K;
the use of and references to my name, including my status as an expert or “qualified person” (as defined in Subpart 1300 of Regulation S-K promulgated by the Securities and Exchange Commission), in connection with the Form 10-K and any such Technical Report Summary; and
the use of information derived, summarized, quoted or referenced from the Technical Report Summary, or portions thereof, that was prepared by me, that I supervised the preparation of and/or that was reviewed and approved by me, that is included or incorporated by reference in the Form 10-K.

I also consent to the incorporation by reference in Registration Statements on Form S-8 (Nos. 333-105535; 333-115292; 333-136084; 333-147413; 333-189047; and 333-212523) and Registration Statement on Form S-3 (No. 333-258522) of the above items as included in the Form 10-K.

I am a qualified person responsible for authoring, and this consent pertains to, the following Sections of the Technical Report Summary:

Sections 2 through 9, 11, 17, 21 through 26, and corresponding sections of the Executive Summary.

Dated February 15, 2022


/s/ Andrew Issel
Name:
Andrzej (Andrew) H. Issel, P.Geo., RM-SME
Title:
Director Resource Estimation and Reporting- PT-FI
Freeport-McMoRan Inc.



CONSENT OF QUALIFIED PERSON

I, Tim Casten, in connection with the Annual Report on Form 10-K for the year ended December 31, 2021 and any amendments or supplements and/or exhibits thereto (collectively, the Form 10-K), consent to:

the filing and use of the technical report summary titled “Technical Report Summary of Mineral Reserves and Mineral Resources for Grasberg Minerals District” (the “Technical Report Summary”), with an effective date of December 31, 2021, as an exhibit to and referenced in the Form 10-K;
the use of and references to my name, including my status as an expert or “qualified person” (as defined in Subpart 1300 of Regulation S-K promulgated by the Securities and Exchange Commission), in connection with the Form 10-K and any such Technical Report Summary; and
the use of information derived, summarized, quoted or referenced from the Technical Report Summary, or portions thereof, that was prepared by me, that I supervised the preparation of and/or that was reviewed and approved by me, that is included or incorporated by reference in the Form 10-K.

I also consent to the incorporation by reference in Registration Statements on Form S-8 (Nos. 333-105535; 333-115292; 333-136084; 333-147413; 333-189047; and 333-212523) and Registration Statement on Form S-3 (No. 333-258522) of the above items as included in the Form 10-K.

I am a qualified person responsible for authoring, and this consent pertains to, the following Sections of the Technical Report Summary:

Sections 2, 12, 13, 15, 16, 18 through 26, and corresponding sections of the Executive Summary.

Dated February 15, 2022


/s/ Tim Casten
Name:
Tim Casten, P.E.
Title:
Vice President Underground Planning Freeport-McMoRan Inc.



CONSENT OF QUALIFIED PERSON

I, Ari Partanen, in connection with the Annual Report on Form 10-K for the year ended December 31, 2021 and any amendments or supplements and/or exhibits thereto (collectively, the Form 10-K), consent to:

the filing and use of the technical report summary titled “Technical Report Summary of Mineral Reserves and Mineral Resources for Grasberg Minerals District” (the “Technical Report Summary”), with an effective date of December 31, 2021, as an exhibit to and referenced in the Form 10-K;
the use of and references to my name, including my status as an expert or “qualified person” (as defined in Subpart 1300 of Regulation S-K promulgated by the Securities and Exchange Commission), in connection with the Form 10-K and any such Technical Report Summary; and
the use of information derived, summarized, quoted or referenced from the Technical Report Summary, or portions thereof, that was prepared by me, that I supervised the preparation of and/or that was reviewed and approved by me, that is included or incorporated by reference in the Form 10-K.

I also consent to the incorporation by reference in Registration Statements on Form S-8 (Nos. 333-105535; 333-115292; 333-136084; 333-147413; 333-189047; and 333-212523) and Registration Statement on Form S-3 (No. 333-258522) of the above items as included in the Form 10-K.

I am a qualified person responsible for authoring, and this consent pertains to, the following Sections of the Technical Report Summary:

Sections 2, 10, 14, 21 through 26, and corresponding sections of the Executive Summary.

Dated February 15, 2022


/s/ Ari Partanen
Name:
Ari Partanen, P.E., RM-SME
Title:
Vice President Technical Services Freeport-McMoRan Inc.

Exhibit 23.4
CONSENT OF QUALIFIED PERSON

I, James Young, in connection with the Annual Report on Form 10-K for the year ended December 31, 2021 and any amendments or supplements and/or exhibits thereto (collectively, the Form 10-K), consent to:

the filing and use of the technical report summary titled “Technical Report Summary of Mineral Reserves and Mineral Resources for Morenci Mine” (the “Technical Report Summary”), with an effective date of December 31, 2021, as an exhibit to and referenced in the Form 10-K;
the use of and references to my name, including my status as an expert or “qualified person” (as defined in Subpart 1300 of Regulation S-K promulgated by the Securities and Exchange Commission), in connection with the Form 10-K and any such Technical Report Summary; and
the use of information derived, summarized, quoted or referenced from the Technical Report Summary, or portions thereof, that was prepared by me, that I supervised the preparation of and/or that was reviewed and approved by me, that is included or incorporated by reference in the Form 10-K.

I also consent to the incorporation by reference in Registration Statements on Form S-8 (Nos. 333-105535; 333-115292; 333-136084; 333-147413; 333-189047; and 333-212523) and Registration Statement on Form S-3 (No. 333-258522) of the above items as included in the Form 10-K.

I am a qualified person responsible for authoring, and this consent pertains to, the following Sections of the Technical Report Summary:

Sections 2 through 5, 11.2 through 13.1, 13.1.3 through 13.3, 15 through 26, and corresponding sections of the Executive Summary.

Dated February 15, 2022


/s/ James Young
Name:
James Young, P.Eng., RM-SME
Title:
Manager of Mine Planning – Reserves Freeport-McMoRan Inc.



CONSENT OF QUALIFIED PERSON

I, Paul Albers, in connection with the Annual Report on Form 10-K for the year ended December 31, 2021 and any amendments or supplements and/or exhibits thereto (collectively, the Form 10-K), consent to:

the filing and use of the technical report summary titled “Technical Report Summary of Mineral Reserves and Mineral Resources for Morenci Mine” (the “Technical Report Summary”), with an effective date of December 31, 2021, as an exhibit to and referenced in the Form 10-K;
the use of and references to my name, including my status as an expert or “qualified person” (as defined in Subpart 1300 of Regulation S-K promulgated by the Securities and Exchange Commission), in connection with the Form 10-K and any such Technical Report Summary; and
the use of information derived, summarized, quoted or referenced from the Technical Report Summary, or portions thereof, that was prepared by me, that I supervised the preparation of and/or that was reviewed and approved by me, that is included or incorporated by reference in the Form 10-K.

I also consent to the incorporation by reference in Registration Statements on Form S-8 (Nos. 333-105535; 333-115292; 333-136084; 333-147413; 333-189047; and 333-212523) and Registration Statement on Form S-3 (No. 333-258522) of the above items as included in the Form 10-K.

I am a qualified person responsible for authoring, and this consent pertains to, the following Sections of the Technical Report Summary:

Sections 2, 6 through 7.5, 7.8, 8, 9, 11.1, 21 through 26, and corresponding sections of the Executive Summary.

Dated February 15, 2022


/s/ Paul Albers
Name:Paul Albers, P.Geo., RM-SME
Title:
Exploration Leader – Americas Freeport-McMoRan Inc.



CONSENT OF QUALIFIED PERSON

I, Luis Tejada, in connection with the Annual Report on Form 10-K for the year ended December 31, 2021 and any amendments or supplements and/or exhibits thereto (collectively, the Form 10-K), consent to:

the filing and use of the technical report summary titled “Technical Report Summary of Mineral Reserves and Mineral Resources for Morenci Mine” (the “Technical Report Summary”), with an effective date of December 31, 2021, as an exhibit to and referenced in the Form 10-K;
the use of and references to my name, including my status as an expert or “qualified person” (as defined in Subpart 1300 of Regulation S-K promulgated by the Securities and Exchange Commission), in connection with the Form 10-K and any such Technical Report Summary; and
the use of information derived, summarized, quoted or referenced from the Technical Report Summary, or portions thereof, that was prepared by me, that I supervised the preparation of and/or that was reviewed and approved by me, that is included or incorporated by reference in the Form 10-K.

I also consent to the incorporation by reference in Registration Statements on Form S-8 (Nos. 333-105535; 333-115292; 333-136084; 333-147413; 333-189047; and 333-212523) and Registration Statement on Form S-3 (No. 333-258522) of the above items as included in the Form 10-K.

I am a qualified person responsible for authoring, and this consent pertains to, the following Sections of the Technical Report Summary:

Sections 2, 7.6 through 7.8, 13.1.1, 13.1.2, 21 through 26, and corresponding sections of the Executive Summary.

Dated February 15, 2022


/s/ Luis Tejada
Name:Luis Tejada, Prof. Eng. Peru, RM-SME
Title:
Manager of Geomechanical Engineering Freeport-McMoRan Inc.



CONSENT OF QUALIFIED PERSON

I, Jacklyn Steeples, in connection with the Annual Report on Form 10-K for the year ended December 31, 2021 and any amendments or supplements and/or exhibits thereto (collectively, the Form 10-K), consent to:

the filing and use of the technical report summary titled “Technical Report Summary of Mineral Reserves and Mineral Resources for Morenci Mine” (the “Technical Report Summary”), with an effective date of December 31, 2021, as an exhibit to and referenced in the Form 10-K;
the use of and references to my name, including my status as an expert or “qualified person” (as defined in Subpart 1300 of Regulation S-K promulgated by the Securities and Exchange Commission), in connection with the Form 10-K and any such Technical Report Summary; and
the use of information derived, summarized, quoted or referenced from the Technical Report Summary, or portions thereof, that was prepared by me, that I supervised the preparation of and/or that was reviewed and approved by me, that is included or incorporated by reference in the Form 10-K.

I also consent to the incorporation by reference in Registration Statements on Form S-8 (Nos. 333-105535; 333-115292; 333-136084; 333-147413; 333-189047; and 333-212523) and Registration Statement on Form S-3 (No. 333-258522) of the above items as included in the Form 10-K.

I am a qualified person responsible for authoring, and this consent pertains to, the following Sections of the Technical Report Summary:

Sections 2, 10, 12, 14, 15, 18, 21 through 26, and corresponding sections of the Executive Summary.

Dated February 15, 2022


/s/ Jacklyn Steeples
Name:Jacklyn Steeples, RM-SME
Title:
Manager of Processing Operational Improvement Freeport-McMoRan Inc.



CONSENT OF QUALIFIED PERSON

I, Leonard Hill, in connection with the Annual Report on Form 10-K for the year ended December 31, 2021 and any amendments or supplements and/or exhibits thereto (collectively, the Form 10-K), consent to:

the filing and use of the technical report summary titled “Technical Report Summary of Mineral Reserves and Mineral Resources for Morenci Mine” (the “Technical Report Summary”), with an effective date of December 31, 2021, as an exhibit to and referenced in the Form 10-K;
the use of and references to my name, including my status as an expert or “qualified person” (as defined in Subpart 1300 of Regulation S-K promulgated by the Securities and Exchange Commission), in connection with the Form 10-K and any such Technical Report Summary; and
the use of information derived, summarized, quoted or referenced from the Technical Report Summary, or portions thereof, that was prepared by me, that I supervised the preparation of and/or that was reviewed and approved by me, that is included or incorporated by reference in the Form 10-K.

I also consent to the incorporation by reference in Registration Statements on Form S-8 (Nos. 333-105535; 333-115292; 333-136084; 333-147413; 333-189047; and 333-212523) and Registration Statement on Form S-3 (No. 333-258522) of the above items as included in the Form 10-K.

I am a qualified person responsible for authoring, and this consent pertains to, the following Sections of the Technical Report Summary:

Sections 2, 10, 12, 14, 15, 18, 21 through 26, and corresponding sections of the Executive Summary.

Dated February 15, 2022


/s/ Leonard Hill
Name:Leonard Hill, RM-SME
Title:
Director of Metallurgy and Strategic Planning Freeport-McMoRan Inc.


Exhibit 24.1


Freeport-McMoRan Inc.

Secretary’s Certificate

I, Monique A. Cenac, Secretary of Freeport-McMoRan Inc., a corporation organized and existing under the laws of the State of Delaware (the “Corporation”), do hereby certify that the following resolution was duly adopted by the Board of Directors of the Corporation at a meeting held on December 13, 1988, and that such resolution has not been amended, modified or rescinded and is in full force and effect on the date hereof:

RESOLVED, That any report, registration statement or other form filed on behalf of this corporation pursuant to the Securities Exchange Act of 1934, or any amendment to any such report, registration statement or other form, may be signed on behalf of any director or officer of this corporation pursuant to a power of attorney executed by such director or officer.

IN WITNESS WHEREOF, I have hereunto signed my name on February 7, 2022.





/s/ Monique A. Cenac
Monique A. Cenac, Secretary



Exhibit 24.2


POWER OF ATTORNEY


    BE IT KNOWN: That the undersigned, in his capacity or capacities as an officer and/or a member of the Board of Directors of Freeport-McMoRan Inc., a Delaware corporation (the “Company”), does hereby make, constitute and appoint KATHLEEN L. QUIRK his true and lawful attorney-in-fact to execute, deliver and file, for and on behalf of him, in his name and in his capacity or capacities as aforesaid, an Annual Report of the Company on Form 10-K for the year ended December 31, 2021, and any amendment or amendments thereto and any other document in support thereof or supplemental thereto, and the undersigned hereby grants to said attorney full power and authority to do and perform each and every act and thing whatsoever that said attorney may deem necessary or advisable to carry out fully the intent of the foregoing as the undersigned might or could do personally or in the capacity or capacities as aforesaid, hereby ratifying and confirming all acts and things which said attorney may do or cause to be done by virtue of this Power of Attorney.

EXECUTED on February 7, 2022.



/s/ Richard C. Adkerson
Richard C. Adkerson




POWER OF ATTORNEY


    BE IT KNOWN: That the undersigned, in her capacity or capacities as an officer and/or a member of the Board of Directors of Freeport-McMoRan Inc., a Delaware corporation (the “Company”), does hereby make, constitute and appoint RICHARD C. ADKERSON her true and lawful attorney-in-fact to execute, deliver and file, for and on behalf of her, in her name and in her capacity or capacities as aforesaid, an Annual Report of the Company on Form 10-K for the year ended December 31, 2021, and any amendment or amendments thereto and any other document in support thereof or supplemental thereto, and the undersigned hereby grants to said attorney full power and authority to do and perform each and every act and thing whatsoever that said attorney may deem necessary or advisable to carry out fully the intent of the foregoing as the undersigned might or could do personally or in the capacity or capacities as aforesaid, hereby ratifying and confirming all acts and things which said attorney may do or cause to be done by virtue of this Power of Attorney.

EXECUTED on February 7, 2022.



/s/ Kathleen L. Quirk
Kathleen L. Quirk







POWER OF ATTORNEY


BE IT KNOWN: That the undersigned, in his capacity or capacities as an officer and/or a member of the Board of Directors of Freeport-McMoRan Inc., a Delaware corporation (the “Company”), does hereby make, constitute and appoint RICHARD C. ADKERSON AND KATHLEEN L. QUIRK, and each of them acting individually, his true and lawful attorney-in-fact with power to act without the other and with full power of substitution, to execute, deliver and file, for and on behalf of him, in his name and in his capacity or capacities as aforesaid, an Annual Report of the Company on Form 10-K for the year ended December 31, 2021, and any amendment or amendments thereto and any other document in support thereof or supplemental thereto, and the undersigned hereby grants to said attorneys, and each of them, full power and authority to do and perform each and every act and thing whatsoever that said attorney or attorneys may deem necessary or advisable to carry out fully the intent of the foregoing as the undersigned might or could do personally or in the capacity or capacities as aforesaid, hereby ratifying and confirming all acts and things which said attorney or attorneys may do or cause to be done by virtue of this Power of Attorney.

EXECUTED on February 7, 2022.



/s/ C. Donald Whitmire, Jr.
C. Donald Whitmire, Jr.










POWER OF ATTORNEY


    BE IT KNOWN: That the undersigned, in his capacity or capacities as an officer and/or a member of the Board of Directors of Freeport-McMoRan Inc., a Delaware corporation (the “Company”), does hereby make, constitute and appoint RICHARD C. ADKERSON AND KATHLEEN L. QUIRK, and each of them acting individually, his true and lawful attorney-in-fact with power to act without the other and with full power of substitution, to execute, deliver and file, for and on behalf of him, in his name and in his capacity or capacities as aforesaid, an Annual Report of the Company on Form 10-K for the year ended December 31, 2021, and any amendment or amendments thereto and any other document in support thereof or supplemental thereto, and the undersigned hereby grants to said attorneys, and each of them, full power and authority to do and perform each and every act and thing whatsoever that said attorney or attorneys may deem necessary or advisable to carry out fully the intent of the foregoing as the undersigned might or could do personally or in the capacity or capacities as aforesaid, hereby ratifying and confirming all acts and things which said attorney or attorneys may do or cause to be done by virtue of this Power of Attorney.

EXECUTED on February 7, 2022.



/s/ Dustan E. McCoy
Dustan E. McCoy










POWER OF ATTORNEY


BE IT KNOWN: That the undersigned, in her capacity or capacities as an officer and/or a member of the Board of Directors of Freeport-McMoRan Inc., a Delaware corporation (the “Company”), does hereby make, constitute and appoint RICHARD C. ADKERSON AND KATHLEEN L. QUIRK, and each of them acting individually, her true and lawful attorney-in-fact with power to act without the other and with full power of substitution, to execute, deliver and file, for and on behalf of her, in her name and in her capacity or capacities as aforesaid, an Annual Report of the Company on Form 10-K for the year ended December 31, 2021, and any amendment or amendments thereto and any other document in support thereof or supplemental thereto, and the undersigned hereby grants to said attorneys, and each of them, full power and authority to do and perform each and every act and thing whatsoever that said attorney or attorneys may deem necessary or advisable to carry out fully the intent of the foregoing as the undersigned might or could do personally or in the capacity or capacities as aforesaid, hereby ratifying and confirming all acts and things which said attorney or attorneys may do or cause to be done by virtue of this Power of Attorney.

EXECUTED on February 7, 2022.



/s/ Lydia H. Kennard
Lydia H. Kennard






POWER OF ATTORNEY


BE IT KNOWN: That the undersigned, in her capacity or capacities as an officer and/or a member of the Board of Directors of Freeport-McMoRan Inc., a Delaware corporation (the “Company”), does hereby make, constitute and appoint RICHARD C. ADKERSON AND KATHLEEN L. QUIRK, and each of them acting individually, her true and lawful attorney-in-fact with power to act without the other and with full power of substitution, to execute, deliver and file, for and on behalf of her, in her name and in her capacity or capacities as aforesaid, an Annual Report of the Company on Form 10-K for the year ended December 31, 2021, and any amendment or amendments thereto and any other document in support thereof or supplemental thereto, and the undersigned hereby grants to said attorneys, and each of them, full power and authority to do and perform each and every act and thing whatsoever that said attorney or attorneys may deem necessary or advisable to carry out fully the intent of the foregoing as the undersigned might or could do personally or in the capacity or capacities as aforesaid, hereby ratifying and confirming all acts and things which said attorney or attorneys may do or cause to be done by virtue of this Power of Attorney.

EXECUTED on February 7, 2022.



/s/ Frances Fragos Townsend
Frances Fragos Townsend







POWER OF ATTORNEY


    BE IT KNOWN: That the undersigned, in his capacity or capacities as an officer and/or a member of the Board of Directors of Freeport-McMoRan Inc., a Delaware corporation (the “Company”), does hereby make, constitute and appoint RICHARD C. ADKERSON AND KATHLEEN L. QUIRK, and each of them acting individually, his true and lawful attorney-in-fact with power to act without the other and with full power of substitution, to execute, deliver and file, for and on behalf of him, in his name and in his capacity or capacities as aforesaid, an Annual Report of the Company on Form 10-K for the year ended December 31, 2021, and any amendment or amendments thereto and any other document in support thereof or supplemental thereto, and the undersigned hereby grants to said attorneys, and each of them, full power and authority to do and perform each and every act and thing whatsoever that said attorney or attorneys may deem necessary or advisable to carry out fully the intent of the foregoing as the undersigned might or could do personally or in the capacity or capacities as aforesaid, hereby ratifying and confirming all acts and things which said attorney or attorneys may do or cause to be done by virtue of this Power of Attorney.

EXECUTED on February 7, 2022.



/s/ John J. Stephens
John J. Stephens








POWER OF ATTORNEY


    BE IT KNOWN: That the undersigned, in his capacity or capacities as an officer and/or a member of the Board of Directors of Freeport-McMoRan Inc., a Delaware corporation (the “Company”), does hereby make, constitute and appoint RICHARD C. ADKERSON AND KATHLEEN L. QUIRK, and each of them acting individually, his true and lawful attorney-in-fact with power to act without the other and with full power of substitution, to execute, deliver and file, for and on behalf of him, in his name and in his capacity or capacities as aforesaid, an Annual Report of the Company on Form 10-K for the year ended December 31, 2021, and any amendment or amendments thereto and any other document in support thereof or supplemental thereto, and the undersigned hereby grants to said attorneys, and each of them, full power and authority to do and perform each and every act and thing whatsoever that said attorney or attorneys may deem necessary or advisable to carry out fully the intent of the foregoing as the undersigned might or could do personally or in the capacity or capacities as aforesaid, hereby ratifying and confirming all acts and things which said attorney or attorneys may do or cause to be done by virtue of this Power of Attorney.

EXECUTED on February 7, 2022.



/s/ David P. Abney
David P. Abney


























POWER OF ATTORNEY


    BE IT KNOWN: That the undersigned, in her capacity or capacities as an officer and/or a member of the Board of Directors of Freeport-McMoRan Inc., a Delaware corporation (the “Company”), does hereby make, constitute and appoint RICHARD C. ADKERSON AND KATHLEEN L. QUIRK, and each of them acting individually, her true and lawful attorney-in-fact with power to act without the other and with full power of substitution, to execute, deliver and file, for and on behalf of her, in her name and in her capacity or capacities as aforesaid, an Annual Report of the Company on Form 10-K for the year ended December 31, 2021, and any amendment or amendments thereto and any other document in support thereof or supplemental thereto, and the undersigned hereby grants to said attorneys, and each of them, full power and authority to do and perform each and every act and thing whatsoever that said attorney or attorneys may deem necessary or advisable to carry out fully the intent of the foregoing as the undersigned might or could do personally or in the capacity or capacities as aforesaid, hereby ratifying and confirming all acts and things which said attorney or attorneys may do or cause to be done by virtue of this Power of Attorney.

EXECUTED on February 7, 2022.



/s/ Marcela E. Donadio
Marcela E. Donadio






















POWER OF ATTORNEY


    BE IT KNOWN: That the undersigned, in his capacity or capacities as an officer and/or a member of the Board of Directors of Freeport-McMoRan Inc., a Delaware corporation (the “Company”), does hereby make, constitute and appoint RICHARD C. ADKERSON AND KATHLEEN L. QUIRK, and each of them acting individually, his true and lawful attorney-in-fact with power to act without the other and with full power of substitution, to execute, deliver and file, for and on behalf of him, in his name and in his capacity or capacities as aforesaid, an Annual Report of the Company on Form 10-K for the year ended December 31, 2021, and any amendment or amendments thereto and any other document in support thereof or supplemental thereto, and the undersigned hereby grants to said attorneys, and each of them, full power and authority to do and perform each and every act and thing whatsoever that said attorney or attorneys may deem necessary or advisable to carry out fully the intent of the foregoing as the undersigned might or could do personally or in the capacity or capacities as aforesaid, hereby ratifying and confirming all acts and things which said attorney or attorneys may do or cause to be done by virtue of this Power of Attorney.

EXECUTED on February 7, 2022.



/s/ Robert W. Dudley
Robert W. Dudley






















POWER OF ATTORNEY


    BE IT KNOWN: That the undersigned, in his capacity or capacities as an officer and/or a member of the Board of Directors of Freeport-McMoRan Inc., a Delaware corporation (the “Company”), does hereby make, constitute and appoint RICHARD C. ADKERSON AND KATHLEEN L. QUIRK, and each of them acting individually, his true and lawful attorney-in-fact with power to act without the other and with full power of substitution, to execute, deliver and file, for and on behalf of him, in his name and in his capacity or capacities as aforesaid, an Annual Report of the Company on Form 10-K for the year ended December 31, 2021, and any amendment or amendments thereto and any other document in support thereof or supplemental thereto, and the undersigned hereby grants to said attorneys, and each of them, full power and authority to do and perform each and every act and thing whatsoever that said attorney or attorneys may deem necessary or advisable to carry out fully the intent of the foregoing as the undersigned might or could do personally or in the capacity or capacities as aforesaid, hereby ratifying and confirming all acts and things which said attorney or attorneys may do or cause to be done by virtue of this Power of Attorney.

EXECUTED on February 7, 2022.



/s/ Ryan M. Lance
Ryan M. Lance






















POWER OF ATTORNEY


    BE IT KNOWN: That the undersigned, in her capacity or capacities as an officer and/or a member of the Board of Directors of Freeport-McMoRan Inc., a Delaware corporation (the “Company”), does hereby make, constitute and appoint RICHARD C. ADKERSON AND KATHLEEN L. QUIRK, and each of them acting individually, her true and lawful attorney-in-fact with power to act without the other and with full power of substitution, to execute, deliver and file, for and on behalf of her, in her name and in her capacity or capacities as aforesaid, an Annual Report of the Company on Form 10-K for the year ended December 31, 2021, and any amendment or amendments thereto and any other document in support thereof or supplemental thereto, and the undersigned hereby grants to said attorneys, and each of them, full power and authority to do and perform each and every act and thing whatsoever that said attorney or attorneys may deem necessary or advisable to carry out fully the intent of the foregoing as the undersigned might or could do personally or in the capacity or capacities as aforesaid, hereby ratifying and confirming all acts and things which said attorney or attorneys may do or cause to be done by virtue of this Power of Attorney.

EXECUTED on February 7, 2022.



/s/ Sara Grootwassink Lewis
Sara Grootwassink Lewis






















POWER OF ATTORNEY


    BE IT KNOWN: That the undersigned, in his capacity or capacities as an officer and/or a member of the Board of Directors of Freeport-McMoRan Inc., a Delaware corporation (the “Company”), does hereby make, constitute and appoint RICHARD C. ADKERSON AND KATHLEEN L. QUIRK, and each of them acting individually, his true and lawful attorney-in-fact with power to act without the other and with full power of substitution, to execute, deliver and file, for and on behalf of him, in his name and in his capacity or capacities as aforesaid, an Annual Report of the Company on Form 10-K for the year ended December 31, 2021, and any amendment or amendments thereto and any other document in support thereof or supplemental thereto, and the undersigned hereby grants to said attorneys, and each of them, full power and authority to do and perform each and every act and thing whatsoever that said attorney or attorneys may deem necessary or advisable to carry out fully the intent of the foregoing as the undersigned might or could do personally or in the capacity or capacities as aforesaid, hereby ratifying and confirming all acts and things which said attorney or attorneys may do or cause to be done by virtue of this Power of Attorney.

EXECUTED on February 7, 2022.



/s/ Hugh Grant
Hugh Grant


Exhibit 31.1
Certification

I, Richard C. Adkerson, certify that:

1.I have reviewed this annual report on Form 10-K of Freeport-McMoRan Inc.;

2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a)Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b)Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c)Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d)Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5.The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a)All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

(b)Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Dated: February 15, 2022
By:
/s/ Richard C. Adkerson
Richard C. Adkerson
Chairman of the Board and
Chief Executive Officer


Exhibit 31.2
Certification

I, Kathleen L. Quirk, certify that:

1.I have reviewed this annual report on Form 10-K of Freeport-McMoRan Inc.;

2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a)Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b)Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c)Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d)Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5.The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a)All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

(b)Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Dated: February 15, 2022
By:/s/ Kathleen L. Quirk
Kathleen L. Quirk
President and Chief Financial Officer


Exhibit 32.1


Certification Pursuant to 18 U.S.C. Section 1350
(Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002)


    In connection with the Annual Report on Form 10-K of Freeport-McMoRan Inc. (the “Company”) for the year ended December 31, 2021, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), Richard C. Adkerson, as Chairman of the Board and Chief Executive Officer of the Company, hereby certifies, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to the best of his knowledge:

(1) The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.



Dated: February 15, 2022
By:
/s/ Richard C. Adkerson
Richard C. Adkerson
Chairman of the Board and
Chief Executive Officer

A signed original of this written statement required by Section 906 has been provided to the Company and will be retained by the Company and furnished to the Securities and Exchange Commission or its staff upon request.

This certification shall not be deemed filed by the Company for purposes of Section 18 of the Securities Exchange Act of 1934, as amended.




Exhibit 32.2


Certification Pursuant to 18 U.S.C. Section 1350
(Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002)


    In connection with the Annual Report on Form 10-K of Freeport-McMoRan Inc. (the “Company”) for the year ended December 31, 2021, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), Kathleen L. Quirk, as President and Chief Financial Officer of the Company, hereby certifies, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to the best of her knowledge:

(1) The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.



Dated: February 15, 2022
By:
 /s/ Kathleen L. Quirk
Kathleen L. Quirk
President and Chief Financial Officer


A signed original of this written statement required by Section 906 has been provided to the Company and will be retained by the Company and furnished to the Securities and Exchange Commission or its staff upon request.

This certification shall not be deemed filed by the Company for purposes of Section 18 of the Securities Exchange Act of 1934, as amended.





Exhibit 95.1

Mine Safety and Health Administration (MSHA) Safety Data

FCX's U.S. mining operations are subject to regulations issued by MSHA under the U.S. Federal Mine Safety and Health Act of 1977 (the Mine Act). MSHA inspects our U.S. mines on a regular basis and issues various citations and orders when it believes a violation has occurred under the Mine Act. Whenever MSHA issues a citation or order, it also generally proposes a civil penalty, or fine, related to the alleged violation. Citations or orders can be contested and appealed, and as part of that process, are often reduced in severity and amount, and are sometimes dismissed. The number of citations, orders and proposed assessments varies depending on the size and type (underground or surface) of the mine, among other factors.

The following disclosures have been provided pursuant to Section 1503(a) of the Dodd-Frank Wall Street Reform and Consumer Protection Act (the Act).

Mine Safety Data. Following provides additional information about references used in the following table to describe the categories of violations, orders or citations issued by MSHA under the Mine Act:

Section 104 S&S Citations: Citations issued by MSHA under Section 104(a) of the Mine Act for violations of health or safety standards that could significantly and substantially contribute to a serious injury if left unabated.

Section 104(b) Orders: Orders issued under Section 104(b) of the Mine Act, which represent a failure to abate a citation under Section 104(a) within the period prescribed by MSHA. This results in an order of immediate withdrawal from the area of the mine affected by the condition until MSHA determines that the violation has been abated.

Section 104(d) Citations and Orders: Citations and orders issued by MSHA under Section 104(d) of the Mine Act for unwarrantable failure to comply with mandatory health or safety standards. These types of violations could significantly and substantially contribute to a serious injury; however, the conditions do not cause imminent danger (refer to discussion of imminent danger orders below).

Section 110(b)(2) Violations: Flagrant violations identified by MSHA under Section 110(b)(2) of the Mine Act. The term flagrant with respect to a violation is defined as “a reckless or repeated failure to make reasonable efforts to eliminate a known violation of a mandatory health or safety standard that substantially and proximately caused, or reasonably could have expected to cause, death or serious bodily injury.”

Section 107(a) Orders: Orders issued by MSHA under Section 107(a) of the Mine Act for situations in which MSHA determined an imminent danger existed. Orders issued under Section 107(a) of the Mine Act require the operator of the mine to cause all persons (except authorized persons) to be withdrawn from the mine until the imminent danger and the conditions that caused such imminent danger cease to exist.





The following table details the violations, citations and orders issued to us by MSHA during the year ended December 31, 2021:
Potential
to Have
Pattern ofPattern of
SectionViolationsViolation
SectionSection104(d)SectionSectionMiningUnderUnder
104 S&S104(b)Citations110(b)(2)107(a)ProposedRelatedSectionSection
CitationsOrdersand OrdersViolationsOrdersAssessmentsFatalities104(e)104(e)
Mine ID(1)
Mine or Operation Name(#)(#)(#)(#)(#)($)(#)(yes/no)(yes/no)
0200137Freeport-McMoRan Bagdad Inc. (Bagdad)— —  — — 43,989 — NoNo
2900708Freeport-McMoRan Chino Mines Company (Chino)— — — — 9,194 — NoNo
0200112Freeport-McMoRan Miami Inc (Miami)— — —   — — — — NoNo
0200024Freeport-McMoRan Morenci Inc (Morenci)18 — —   — — 88,766 NoNo
0203131Freeport-McMoRan Safford Inc (Safford)— — — — 57,462 — NoNo
0200144Freeport-McMoRan Sierrita Inc (Sierrita)25 — —   — — 100,598 — NoNo
2900159Tyrone Mine (Tyrone)— — —   — — 375 — NoNo
0500790Henderson Operations (Henderson)— — — 24,426 — NoNo
0502256Climax Mine (Climax)— —   — — 17,338 — NoNo
Freeport-McMoRan Cobre Mining Company:— 
2900725Open Pit & Continental Surf Comp— — —   — — — — NoNo
2900731Continental Mill Complex— — — 
  
— — — — NoNo
0201656Copper Queen Branch— — —   — — — — NoNo
0202579Cyprus Tohono Corporation— — —   — — 125 — NoNo
0203262Twin Buttes Mine— — —  — — — — NoNo
2902395Chieftain 2100 Screening Plant— — —  — — — — NoNo
0203254Warrior 1800 Screening Plant— — —  — — — — NoNo
(1)MSHA assigns an identification number to each mine or operation and may or may not assign separate identification numbers to related facilities.

Pending Legal Actions. The following table provides a summary of legal actions pending before the Federal Mine Safety and Health Review Commission (the Commission) as of December 31, 2021, as well as the aggregate number of legal actions instituted and resolved during 2021. The Commission is an independent adjudicative agency established by the Mine Act that provides administrative trial and appellate review of legal disputes arising under the Mine Act. These cases may involve, among other questions, challenges by operators to citations, orders and penalties they have received from MSHA, or complaints of discrimination by miners under Section 105 of the Mine Act.




The following provides additional information of the types of proceedings that may be brought before the Commission:
Contest Proceedings - A contest proceeding may be filed by an operator to challenge the issuance of a citation or order issued by MSHA.
Civil Penalty Proceedings - A civil penalty proceeding may be filed by an operator to challenge a civil penalty MSHA has proposed for a violation contained in a citation or order. FCX does not institute civil penalty proceedings based solely on the assessment amount of proposed penalties. Any initiated adjudications described in the table below address substantive matters of law and policy instituted on conditions that are alleged to be in violation of mandatory standards or the Mine Act.
Discrimination Proceedings - Involves a miner's allegation that he or she has suffered adverse employment action because he or she engaged in an activity protected under the Mine Act, such as making a safety complaint. Also includes temporary reinstatement proceedings involving cases in which a miner has filed a complaint with MSHA stating that he or she has suffered discrimination and the miner has lost his or her position.
Compensation Proceedings - A compensation proceeding may be filed by miners entitled to compensation when a mine is closed by certain closure orders issued by MSHA. The purpose of the proceeding is to determine the amount of compensation, if any, due to miners idled by the orders.
Temporary Relief - Applications for temporary relief are applications filed under section 105(b)(2) of the Mine Act for temporary relief from any modification or termination of any order.
Appeals - An appeal may be filed by an operator to challenge judges decisions or orders to the commission, including petitions for discretionary review and review by the commission on its own motion.
Legal Actions Pending at December 31, 2021(2)
ContestCivil PenaltyDiscriminationCompensationTemporaryLegal ActionsLegal Actions
ProceedingsProceedingsProceedingsProceedingsReliefAppealsTotal
Instituted(2)
Resolved(3)
Mine ID(1)
(#)(#)(#)(#)(#)(#)(#)(#)(#)
0200137— — — — — — — — — 
2900708— — — — — — — — — 
0200112— — — — — — — — — 
0200024— — — — — — 
0203131— — — — — — — — 
0200144— — — — — — — 
2900159— — — — — — — — — 
0500790— — — — — — — — — 
0502256— — — — — — — 
2900725— — — — — — — — — 
2900731— — — — — — — — — 
0201656— — — — — — — — — 
0202579— — — — — — — — — 
0203262— — — — — — — — — 
2902395— — — — — — — — — 
0203254— — — — — — — — — 
(1)MSHA assigns an identification number to each mine or operation and may or may not assign separate identification numbers to related facilities. Refer to "Mine Safety Data" table for related mine or operation name.
(2)Legal actions pending at December 31, 2021, and legal actions instituted during 2021 are based on the date that a docket number was assigned to the proceeding.
(3)Legal actions resolved during 2021 are based on the date that the settlement motion resolving disputed matters is filed with the Commission, and the matter is effectively closed by MSHA.

Exhibit 96.1


logo.jpg
Technical Report Summary of
Mineral Reserves and Mineral Resources
for
Cerro Verde Mine
Arequipa, Peru
Effective Date:December 31, 2021
Report Date:January 31, 2022



IMPORTANT NOTE
This Technical Report Summary (TRS) has been prepared for Freeport-McMoRan Inc. (FCX) in support of the disclosure and filing requirements of the United States (U.S.) Securities and Exchange Commission (SEC) under Subpart 1300 of Regulation S-K. The quality of information, conclusions, and estimates contained herein apply as of the date of this TRS. Events (including changes to the assumptions, conditions, and/or qualifications outlined in this TRS) may have occurred since the date of this TRS, which may substantially alter the conclusions and opinions herein. Any use of this TRS by a third-party beyond its intended use is at that party’s sole risk.
CAUTIONARY STATEMENT
This TRS contains forward-looking statements in which potential future performance is discussed. The words “anticipates,” “may,” “can,” “plans,” “believes,” “estimates,” “expects,” “projects,” “targets,” “intends,” “likely,” “will,” “should,” “could,” “to be,” “potential,” “assumptions,” “guidance,” “aspirations,” “future” and any similar expressions are intended to identify those assertions as forward-looking statements. Forward-looking statements are all statements other than statements of historical facts, such as plans, projections, forecasts or expectations relating to business outlook, strategy, goals, or targets; ore grades and processing rates; production and sales volumes; unit net cash costs; net present values; economic assessments; capital expenditures; operating costs; operating or Life-of-Mine (LOM) plans; cash flows; FCX’s commitments to deliver responsibly produced copper, including plans to implement and validate all of its operating sites under The Copper Mark, and to comply with other disclosure frameworks; improvements in operating procedures and technology innovations; potential environmental and social impacts; exploration efforts and results; development and production activities, rates and costs; future organic growth opportunities; tax rates; export quotas and duties; impact of price changes in the commodities FCX produces, primarily copper; mineral resource and mineral reserve estimates and recoveries; and information pertaining to the financial and operating performance and mine life of the Cerro Verde mine.
Readers are cautioned that forward-looking statements in this TRS are necessarily based on opinions and estimates of the Qualified Persons (QPs) authoring this TRS, are not guarantees of future performance, and actual results may differ materially from those anticipated, expected, projected or assumed in the forward-looking statements. Material assumptions regarding forward-looking statements are discussed in this TRS, where applicable. In addition to such assumptions, the forward-looking statements are inherently subject to significant business, economic and competitive uncertainties, and contingencies. Important factors that can cause actual results to differ materially from those anticipated in the forward-looking statements include, but are not limited to, supply of and demand for, and prices of, the commodities FCX produces, primarily copper; changes in cash requirements, financial position, financing or investment plans; changes in general market, economic, tax, regulatory, or industry conditions; reductions in liquidity and access to capital; the ongoing COVID-19 pandemic and any future public health crisis; political and social risks; operational risks inherent in mining, with higher inherent risks in underground mining; availability and increased costs associated with mining inputs and labor; fluctuations in price and availability of commodities purchased, including higher prices for fuel, steel, power, labor, and other consumables contributing to higher costs; constraints on supply and logistics, including transportation services; mine sequencing; changes in mine plans or operational modifications, delays, deferrals, or cancellations; production rates; timing of shipments; results of technical, economic, or feasibility studies; potential inventory adjustments; potential impairment of long-lived mining assets; expected results from improvements in operating procedures and technology, including innovation initiatives; industry risks; financial condition of FCX’s customers, suppliers, vendors, partners, and affiliates; cybersecurity incidents; labor relations, including labor-related work stoppages and costs; compliance with applicable environmental, health and safety laws and regulations; weather- and climate-related risks; environmental risks and litigation results; FCX’s ability to comply with its responsible production commitments under specific frameworks and any changes to such frameworks; and other factors described in more detail under the heading “Risk Factors” contained in Part I, Item 1A. of FCX’s Annual Report on Form 10-K for the year ended December 31, 2021, filed with the SEC.
Investors are cautioned that many of the assumptions upon which the forward-looking statements are based are likely to change after the date the forward-looking statements are made, including for example commodity prices, which FCX cannot control, and production volumes and costs or technological solutions and innovation, some aspects of which FCX may not be able to control. Further, FCX may make changes to its business plans that could affect its results. FCX and the QPs who authored this TRS caution investors that FCX undertakes no obligation to update any forward-looking statements, which speak only as of the date made, notwithstanding any changes in the assumptions, changes in business plans, actual experience, or other changes.
This TRS also contains financial measures such as site cash costs and unit net cash costs per pound of metal and free cash flow, which are not recognized under U.S. generally accepted accounting principles.



Qualified Person Signature Page
Mine:Cerro Verde
Effective Date:December 31, 2021
Report Date:January 31, 2022
/s/ James Young
James Young, P.Eng., RM-SME
Manager of Mine Planning – Reserves
/s/ Paul Albers
Paul Albers, P.Geo., RM-SME
Exploration Leader – Americas
/s/ Luis Tejada
Luis Tejada, Ing. Geol. Peru, RM-SME
Manager of Geomechanical Engineering
/s/ Jacklyn Steeples
Jacklyn Steeples, RM-SME
Manager of Processing Operational Improvement
/s/ Edward Rybinski
Edward Rybinski, RM-SME
Manager of Cerro Verde C2 Concentrator


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Technical Report Summary for
Cerro Verde Mine, Arequipa, Peru
Table of Contents
as of December 31, 2021
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Technical Report Summary for
Cerro Verde Mine, Arequipa, Peru
List of Tables
List of Figures
as of December 31, 2021
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Technical Report Summary for
Cerro Verde Mine, Arequipa, Peru
1EXECUTIVE SUMMARY
This Technical Report Summary (TRS) is prepared by Qualified Persons (QPs) for Freeport-McMoRan Inc. (FCX), a leading international mining company with headquarters located in Phoenix, Arizona, United States (U.S.). The purpose of this TRS is to report mineral reserve and mineral resource estimates at the Cerro Verde mine using estimation parameters as of December 31, 2021.
1.1Property Description, Current Status, and Ownership
The Cerro Verde mine is an open-pit copper and molybdenum mining complex that has been in operation since 1976. It produces copper concentrate and cathode products, with silver in the concentrate. The Cerro Verde mine also produces a molybdenum concentrate. The mine is situated approximately 30 kilometers southwest of the city of Arequipa, capital of the Arequipa province and the second largest city in Peru.
The mine operates 365 days per year on a 24 hour per day schedule. Mining and ore processing operations are currently in production and the mine is considered a production stage property. The Cerro Verde mine encompasses the Cerro Verde (CV), Santa Rosa (SR), and Cerro Negro (CN) ore deposits.
The Cerro Verde mine is operated by FCX through a partially owned subsidiary, Sociedad Minera Cerro Verde S.A.A. (SMCV). FCX holds a 53.56 percent ownership interest in SMCV, with the remaining 46.44 percent held by SMM Cerro Verde Netherlands B.V. (21 percent), Compañia de Minas Buenaventura S.A.A. (19.58 percent) and other stockholders whose shares are publicly traded on the Lima Stock Exchange (5.86 percent).
As of December 31, 2021, the Cerro Verde mine encompasses approximately 178,000 acres of mining concessions/holdings, including 62,000 acres of surface rights and 14,600 acres granted through an easement from the Peru National Assets Office, plus 150 acres of owned property, and 1,151 acres of rights-of-way outside the mining concession area.
1.2Geology and Mineralization
The Cerro Verde mining district comprises a copper-molybdenum porphyry cluster that includes a series of deposits (CV, SR, and CN), which are related to calc-alkaline intrusions (dacite monzonite porphyry) and quartz-tourmaline hydrothermal breccia bodies.
In general, these deposits are low grade and high tonnage, genetically related to igneous epizonal intrusions and characterized by multiple events from a parental magmatic chamber, which are distributed along the Incapuquio fault system corridor.
In the Cerro Verde mining district, mineralization is directly linked to multiple igneous intrusive events. The resulting hypogene mineralization is dominantly chalcopyrite with minor bornite. Retrograde events resulted in a slight increase in chalcopyrite and precipitation of molybdenite. Supergene processes formed a profile containing zones of leached capping, oxide copper mineralization, chalcocite enrichment, and a mixed chalcocite-hypogene transition zone. Mineralization spans approximately 5.6 kilometers in length trending northwest-southeast and 1.6 kilometers in width.
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Technical Report Summary for
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1.3Mineral Reserve Estimate
Mineral reserves are summarized from the Life-of-Mine (LOM) plan, which is the compilation of the relevant modifying factors for establishing an operational, economically viable mine plan.
Mineral reserves have been evaluated considering the modifying factors for conversion of measured and indicated resource classes into proven and probable reserves. Inferred resources are considered as waste in the LOM plan. The details of the relevant modifying factors included in the estimation of mineral reserves are discussed in Sections 10 through 21.
The LOM plan includes the planned production to be extracted from the in-situ mine designs and from previously extracted material, known as Work-In-Process (WIP) inventories. WIP includes material on crushed leach and Run of Mine (ROM) leach pads for processing, and in stockpiles set aside to be rehandled and processed at a future date. WIP is estimated as of December 31, 2021 from production of reported deliveries through mid-year and the expected production to the end of the year.
As a point of reference, the mineral reserve estimate reports the in-situ ore and WIP inventories from the LOM plan containing copper, molybdenum, and silver metal and reported as commercially recoverable metal.
Table 1.1 summarizes the mineral reserves reported on a 100 percent property ownership basis. The mineral reserve estimate is based on commodity prices of $2.50 per pound copper, $10 per pound molybdenum, and $15 per ounce silver.
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Technical Report Summary for
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Table 1.1 – Summary of Mineral Reserves
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The mineral reserve estimate has been prepared using industry accepted practice and conforms to the disclosure requirements of the U.S. Securities and Exchange Commission (SEC) under Subpart 1300 of Regulation S-K (S-K1300). Mineral reserve and mineral resource estimates are evaluated annually, providing the opportunity to reassess the assumed conditions. All the technical and economic issues likely to influence the prospect of economic extraction are anticipated to be resolved under the stated assumed conditions.
1.4Mineral Resource Estimate
Mineral resources are evaluated using the application of technical and economic factors to a geologic resource block model and employing optimization algorithms to generate digital surfaces of mining limits, using specialized geologic and mine planning computer software. The resulting surfaces volumetrically identify material as potentially economical, using the assumed parameters. Mineral resources are the resultant contained metal inventories.
The mineral resource estimate is the inventory of material identified as having a reasonable likelihood for economic extraction inside the mineral resource economic mining limit, less the mineral reserve volume, as applicable. The modifying factors are applied to measured, indicated, and inferred resource classifications to evaluate commercially recoverable metal. As a point of reference, the in-situ ore containing copper, molybdenum, and silver metal are inventoried and reported by intended processing method.
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Technical Report Summary for
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The reported mineral resource estimate in Table 1.2 is exclusive of the reported mineral reserve, on a 100 percent property ownership basis. The mineral resource estimate is based on commodity prices of $3.00 per pound copper, $12 per pound molybdenum, and $20 per ounce silver.
Table 1.2 – Summary of Mineral Resources
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The mineral resource estimate has been prepared using industry accepted practice and conforms to the disclosure requirements of S-K1300. Mineral reserve and mineral resource estimates are evaluated annually providing the opportunity to reassess the assumed conditions. Although all the technical and economic issues likely to influence the prospect of economic extraction of the resource are anticipated to be resolved under the stated assumed conditions, no assurance can be given that the estimated mineral resource will become proven and probable mineral reserves.
1.5Capital and Operating Cost Estimates
The capital and operating costs are estimated by the property’s operations, engineering, management, and accounting personnel in consultation with FCX corporate staff, as appropriate. The cost estimates are applicable to the planned production, mine schedule, and equipment requirements for the LOM plan. The capital costs are summarized in Table 1.3.
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Table 1.3 – Sustaining Capital Costs
$ billions
Mine
$1.5 
Concentrator
0.9 
Supporting Infrastructure and Environmental
2.5 
Total Capital Expenditures$4.9 
Estimates are derived from current costs and adjusted to the reserve price environment. The estimates are not adjusted for escalation or exchange rate fluctuations. Actual realized costs are reviewed periodically, and estimates are refined as required.
Capital costs are primarily sustaining projects consisting of mine equipment replacements and planned site infrastructure projects, most notably to increase tailings storage facility (TSF) and leach pad capacities over the production of the scheduled reserves. Capital cost estimates are derived from current capital costs based on extensive experience gained from many years of operating the property and do not include inflation. FCX and the Cerro Verde mine staff review actual costs periodically and refine cost estimates as appropriate.
The operating costs for the LOM plan are summarized in Table 1.4.
Table 1.4 – Operating Costs

$ billions
Mine
$18.9 
Processing
21.7 
Balance
3.2 
Total site cash operating costs43.8 
Freight
4.0 
Treatment charges
7.9 
Peruvian mining royalty tax
0.4 
By-product credits
(7.4)
Total net cash costs$48.7 
Unit net cash cost ($ per pound of copper)$1.75 
Estimates are derived from current costs and adjusted to the reserve price environment. The estimates are not adjusted for escalation or exchange rate fluctuations. Actual realized costs are reviewed periodically, and estimates are refined as required.
The operating cost estimates are derived from current operating costs and practices based on extensive experience gained from many years of operating the property and do not include inflation.
1.6Permitting Requirements
In the QP’s opinion, the Cerro Verde mine has adequate plans and programs in place, is in good standing with Peruvian environmental regulatory authorities, and no current conditions represent a material risk to continued operations. The Cerro Verde mine staff have a high level of understanding of the requirements of environmental compliance, permitting, and local stakeholders in order to facilitate the development of the mineral
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reserve and mineral resource estimates. The periodic inspections by governmental agencies, FCX corporate staff, third-party reviews, and regular reporting confirm this understanding.
Based on the LOM plan, additional permits will be necessary in the future for continued operation of the Cerro Verde mine, including a modification of the Environmental and Social Impact Studies (ESIS) and obtaining approval for modified leach pad configurations, increased tailings storage capacity and corresponding water supply.
1.7Conclusions and Recommendations
FCX and the QPs believe that the geologic interpretation and modeling of exploration data, economic analysis, mine design and sequencing, process scheduling, and operating and capital cost estimation have been developed using accepted industry practices and that the stated mineral reserves and mineral resources comply with SEC regulations. Periodic reviews by third-party consultants confirm these conclusions.
No recommendations for additional work are identified for the reported mineral reserves and mineral resources as of December 31, 2021.
2INTRODUCTION
This TRS is prepared by QPs for FCX, a leading international mining company with headquarters located in Phoenix, Arizona, U.S. The purpose of this TRS is to report mineral reserve and mineral resource estimates at the Cerro Verde mine using estimation parameters as of December 31, 2021.
2.1Terms of Reference and Sources of Information
FCX owns and operates several affiliates or subsidiaries. This TRS uses the name “FCX” interchangeably for Freeport-McMoRan Inc. and its consolidated subsidiaries.
FCX operates large, long-lived, geographically diverse assets with significant proven and probable reserves of copper, gold, and molybdenum. FCX has a dynamic portfolio of operating, expansion, and growth projects in the copper industry and is the world’s largest producer of molybdenum.
FCX maintains standards, procedures, and controls in support of estimating mineral reserves and mineral resources. The QPs, including the Manager of Mine Planning – Reserves, annually review the estimates of mineral reserves and mineral resources prepared by mine site and FCX corporate employees, the supporting documentation, and compliance to internal controls. Based on their review, the QPs recommend approval of the mineral reserve and mineral resource statements to FCX senior management.
The reported estimates and supporting background information, conclusions, and opinions contained herein are based on company reports, property data, public information, and assumptions supplied by FCX employees and other third-party sources including the reports and documents listed in Section 24 of this TRS, available at the time of writing this TRS.
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Unless otherwise stated, all figures and images were prepared by FCX. Units of measurement referenced in this TRS are based on local convention in use at the property and currency is expressed in US dollars.
The effective date of this TRS is December 31, 2021. FCX has previously reported mineral reserves and mineralized material for the Cerro Verde mine but has not filed a TRS with the SEC. The estimates in this TRS supersede any previous estimates of mineral reserves and mineral resources for the Cerro Verde mine.
Mineral reserves and mineral resources are reported in accordance with the requirements of S-K1300.
2.2Qualified Persons
This TRS has been prepared by the following QPs:
James Young, Manager of Mine Planning – Reserves
Paul Albers, Exploration Leader – Americas
Luis Tejada, Manager of Geomechanical Engineering
Jacklyn Steeples, Manager of Processing Operational Improvement
Edward (Ed) Rybinski, Manager of Cerro Verde’s C2 Concentrator
James Young is Manager of Mine Planning – Reserves for the Strategic Planning department of FCX. He has over 20 years of experience working for large-scale, open-pit operations in Peru, Chile, Indonesia, Canada, and the U.S. He holds a Bachelor of Applied Science in Mining and Mineral Process Engineering from the University of British Columbia and is registered as a Professional Engineer (P.Eng.) with Engineers and Geoscientists of British Columbia, Canada. Mr. Young is a Registered Member of the Society of Mining, Metallurgy and Exploration (RM-SME). In his role with FCX, he discusses aspects of the mine with site staff regarding overall approach to mine planning, current operating conditions, targeted production expectations, and options for potential resource development. He worked on-site from 2014 to 2016 and has visited the site various times since. His most recent visit was on April 9 and 10, 2018.
Paul Albers is the Exploration Leader – Americas for the Exploration department of FCX. He has over 16 years of mineral exploration and mining experience, including 11 years in copper-molybdenum porphyry deposits in North America and South America. He holds a Bachelor of Science degree in Geology from St. Norbert College and Master of Science degree in Geology from the University of Minnesota-Duluth. He is registered as a Certified Professional Geologist (P.Geo.) with the State of Minnesota. Mr. Albers is a RM-SME. In his role with FCX, he provides technical support and collaborates with site staff on exploration and mineral resource modeling programs. Due to travel restrictions in place for the ongoing COVID-19 pandemic, Mr. Albers has not visited the site but has completed verification activities virtually.
Luis Tejada is Manager of Geomechanical Engineering for the Strategic Planning department of FCX. He has over 20 years of experience working for large-scale, open-pit operations in Peru and the U.S. He holds a Bachelor of Science in Geological Engineering from the San Agustin University in Arequipa, Peru, and is registered as a Geological Engineer (Ing. Geol.) with the Colegio de Ingenieros del Peru. He is a RM-SME. In his role, he provides technical support and collaborates with site staff on geomechanical engineering, slope monitoring systems, mine hydrogeology, options for
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slope design improvements and slope optimization. He worked at the Cerro Verde mine from 2004 to 2016 and has visited the site various times since. His most recent visit was on July 15 to 19, 2019.
Jacklyn Steeples is Manager of Processing Operational Improvement for FCX and has over 10 years of experience working for large-scale, open-pit copper processing operations including leach and solution extraction (SX) and electrowinning (EW), concentrator, and crush and convey divisions. She holds a Bachelor of Science in Chemical Engineering from the Colorado School of Mines. She is a RM-SME. In her role with FCX, she collaborates with site staff on leach pad placements, SX/EW operations, current operating conditions performance, and improvements for hydrometallurgical operations. She has visited the site various times throughout her career. Her most recent visit to the mine was on March 18 to 23, 2019.
Ed Rybinski is Manager of Cerro Verde’s C2 Concentrator. He has over 20 years of experience with concentrator operations in Canada, Chile, Peru, and the U.S. He holds a Bachelor of Engineering in Metallurgical Engineering from McGill University in Quebec, Canada and is a RM-SME. In his current role with FCX, he oversees concentrator operations at Cerro Verde’s C2 Concentrator. In his prior role with FCX he supported site staff with regards to process improvements, strategic metallurgy, and expansion projects. He has visited the site various times throughout his career and has worked at site since March 2021.
The QPs reviewed the reasonableness of the background information for the estimates. The details of the QPs’ responsibilities for this TRS are outlined in Table 2.1.
Table 2.1 – Qualified Person Responsibility
Qualified PersonResponsibility
James YoungSections 2 through 5, 11.2 through 13.1, 13.1.3 through 13.3, 15 through 26, and corresponding sections of the Executive Summary
Paul AlbersSections 2, 6 through 7.5, 7.8, 8, 9, 11.1, 21 through 26, and corresponding sections of the Executive Summary
Luis TejadaSections 2, 7.6 through 7.8, 13.1.1, 13.1.2, 21 through 26, and corresponding sections of the Executive Summary
Jacklyn SteeplesSections 2, 10, 12, 14, 15, 18, 21 through 26, and corresponding sections of the Executive Summary
Ed RybinskiSections 2, 10, 12, 14, 15, 18, 21 through 26, and corresponding sections of the Executive Summary
3PROPERTY DESCRIPTION AND LOCATION
The Cerro Verde mine is an open-pit copper and molybdenum mining complex that has been in operation since 1976. It produces copper concentrate and cathode products, with silver in the concentrate. The Cerro Verde mine also produces a molybdenum
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concentrate. The mine is situated approximately 30 kilometers southwest of the city of Arequipa, capital of the Arequipa province and the second largest city in Peru.
The mine operates 365 days per year on a 24 hour per day schedule. Mining and ore processing operations are currently in production and the mine is considered a production stage property. The Cerro Verde mine encompasses the CV, SR, and CN ore deposits.
3.1Property Location
The property location map is illustrated in Figure 3.1.
Figure 3.1 – Property Location Map
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The property is located at latitude 16.53 degrees south and longitude 71.58 degrees west using the World Geodetic System 84 coordinate system.
3.2Ownership
The Cerro Verde mine is operated by FCX through a partially owned subsidiary, SMCV. FCX holds a 53.56 percent ownership interest in SMCV, with the remaining 46.44 percent held by SMM Cerro Verde Netherlands B.V. (21 percent), Compañia de Minas Buenaventura S.A.A. (19.58 percent) and other stockholders whose shares are publicly traded on the Lima Stock Exchange (5.86 percent).
3.3Land Tenure
As of December 31, 2021, the Cerro Verde mine encompasses approximately 178,000 acres of mining concessions/holdings, including 62,000 acres of surface rights and 14,600 acres granted through an easement from the Peru National Assets Office, plus 150 acres of owned property, and 1,151 acres of rights-of-way outside the mining concession area. Figure 3.2 shows a map of the land claim status.
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Figure 3.2 – Cerro Verde Mine Mineral Concession Map
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3.4Mineral Rights and Significant Permitting
In Peru, mining rights through claims and concessions are regulated by Peru’s General Mining Law. Cerro Verde’s major operations take place in the mining concession “Cerro Verde No 1, 2, y 3” and in the Cerro Verde processing facilities concession “Cerro Verde Beneficiation Plant”, hereinafter known as the Beneficiation Plant. SMCV is the titleholder of the entire mining concession, all other concessions, and areas where the Cerro Verde operations are located. They are retained through the annual payments of
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rights for the concessions or the corresponding penalties for not exploiting them. Surface land is not owned, however Supreme Decree 017-1996-AG granted mining companies surface rights of those concessions already titled by the time this regulation was passed upon formal declaration before the Peruvian Ministry of Energy and Mines (MINEM). Cerro Verde mining and main core concessions were declared and exempted from the farmland’s privatization processes. The Beneficiation Plant authorization includes the processing and recovery methods of ore entirely sourced from the mining concession.
SMCV operates the mine in the Cerro Verde Production Unit (CVPU) which comprises among others, the Cerro Verde mining concession and the Beneficiation Plant. The Beneficiation Plant has an authorization from MINEM to treat a total of 548,500 metric tons of ore per day of installed capacity through all processes.
SMCV has valid titles for the areas occupied by ancillary facilities such as the pump stations next to the Rio Chili river in Uchumayo and the acid storage facilities in the nearby town of Matarani. It also owns the areas where the current 220 kilovolt (kV) line towers are located, and easements have been acquired for the electrical lines and for the water pipelines. Alternative routes for power lines, water lines, and storage facilities are also available.
SMCV signed a Contract of Investment Promotion Measures and Guarantees on July 17, 2012 under the General Mining Law, so the tax and administrative regime of that date applies to operations in the CVPU. The Stability Contract requires SMCV to pay an applicable income tax of 32 percent. In December 2015, SMCV submitted to the MINEM the Update of the Feasibility Study and Investment Schedule for the execution of the CVPU Expansion (CVPUE). After it was approved, SMCV signed an Addendum to the Stability Contract, including the updated Feasibility Study, in December 2016 and the initial execution of the CVPUE was completed. The term of this Stability Contract is 15 years from January 1, 2014, expiring on December 31, 2028.
With the CVPUE, SMCV, the Regional Government of Arequipa, provincial and district mayors, the National Water Authority, the representatives of the User Boards, and the civil society of Arequipa and the Water and Sewage Service Company of Arequipa (SEDAPAR S.A.) agreed on general guidelines for SMCV to finance and build the Wastewater Treatment Plant “La Enlozada” (WWTP) and reuse part of the wastewater treated in this facility. This contract allows SMCV to reuse a cubic meter per second in annual average of treated wastewater. The rest of the treated water that is within maximum permissible limits is available to the SEDAPAR authority to distribute. Between the WWTP and fresh water from the Rio Chili, SMCV has licenses and authorization of 2,160 liters per second, as of December 31, 2021. SMCV has an additional water license of 200 liters per second from the CV and SR pit dewatering system.
3.5Comment on Factors and Risks Affecting Access, Title, and Ability to Perform Work
FCX and the Cerro Verde mine staff believe that all major permits and approvals are in place to support operations at the Cerro Verde mine. Based on the LOM plan, additional permits will become necessary in the future for increased capacities to leach pad stockpiles and TSFs as discussed in Section 17. Such processes to obtain these permits and the associated timelines are understood and similar permits have been granted in the past. FCX and the Cerro Verde mine have environmental, land, water, and permitting departments that monitor and review all aspects of property ownership and permit
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requirements so that they are maintained in good standing and any issues are addressed in a timely manner.
The mine has a partially unionized workforce and has been subject to various lawsuits and work stoppages over the operating history of the mine. FCX and the Cerro Verde mine understand the importance of the workforce and work in good faith to resolve conflicts.
As of December 31, 2021, FCX and the Cerro Verde mine believe the mine’s access, payments for titles and rights to the mineral claims, and ability to perform work on the property are all in good standing. Further, to the extent known to the QPs, there are no significant encumbrances, factors, or risks that may affect the ability to perform work in support of the estimates of mineral reserves and mineral resources.
4ACCESSIBILITY, CLIMATE, PHYSIOGRAPHY, LOCAL RESOURCES, AND INFRASTRUCTURE
The property is located in the District of Uchumayo, Province of Arequipa, Department of Arequipa, in the southern part of Peru.
4.1Accessibility
The mine is accessible by two public highways: 30 kilometers by road south from Arequipa and 21 kilometers by road east from Route 108/AR 115. The mine is approximately 100 kilometers northeast of Matarani and 1,000 kilometers southeast of Lima. The Southern Railway of Peru connects Matarani to Arequipa and passes within 12 kilometers of the mine site. The nearest airport is in Arequipa, Peru.
4.2Climate
The property is situated in a mountainous desert environment with two markedly different seasons: rainy season (November to March) and dry season (April to October). The mine area is an arid desert with rainfall averaging about 40 millimeters per annum. Temperatures range from a low of freezing, with snowfall rare, to a high of approximately 25 degrees Celsius. The mine operates throughout the year with production marginally affected during the rainy season.
4.3Physiography
The regional topography is characterized by well-shaped rocky hills with gradual slopes at intermediate elevation. Mountain peaks reach elevations above 6,000 meters above sea level. Chachani, the highest snow-capped mountain in the area, is approximately 20 kilometers directly north of the city of Arequipa with an elevation of 6,057 meters. Chachani and Pichu Pichu are dormant volcanoes in the Arequipa region while El Misti, with an elevation of 5,822 meters located 15 kilometers northeast of Arequipa, is active and last erupted in 1985. A ridge of hills called the Coastal Batholith separates the Arequipa valley from the coastal prairie. The Coastal Batholith is part of the Occidental Branch foothills in the Andes Cordillera. Río Chili, the main river in the region, flows through Arequipa west to the Pacific Ocean.
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The area is seismically very active. The site is located within Earthquake Region 1, as designated in the Peruvian Code for Anti-seismic Design, or Zone 4 of the Uniform Building Code, 1997 edition.
The vegetation in the area is a mix of cacti, seasonal herbaceous vegetation, and some sparse shrubs species representing the local desert species, typical of a desert environment.
4.4Local Resources and Infrastructure
Infrastructure is in place to support mining operations. Section 15 contains additional detail regarding site infrastructure.
Accommodations for mine employees and supplies are available in the nearby communities of Arequipa and Matarani. Since 2020, in response to the COVID-19 pandemic, additional accommodations have been arranged at the mine site.
Cerro Verde operations are supplied by renewable sources through a series of storage reservoirs on the Rio Chili river watershed that collect water primarily from seasonal precipitation and from wastewater collected from the city of Arequipa and treated at a wastewater treatment plant. A third, smaller source is the CV and SR pit dewatering system, which is mainly used in mine operations. FCX and the Cerro Verde mine believe the operation has sufficient water resources to support current and future operations.
The Cerro Verde mine receives electrical power from the National Interconnected Electric System that is primarily sourced under long-term contracts with ElectroPerú S.A. and Engie Energía Peru S.A.
Site operations are adequately staffed with experienced operational, technical, and administrative personnel. FCX and the Cerro Verde mine believe all necessary supplies are available as needed.
5HISTORY
First activities of the Cerro Verde porphyry copper deposit date back to the late 1800s when artisanal mining produced high-grade oxide ore. In 1917 Anaconda Copper Mining Company acquired the property and operated intermittently until 1970 when the property was nationalized. Minero Perú S.A., a government-controlled mining company, commenced mining and processing of ore with a SX/EW plant and pilot concentrator plant in 1977. The SX/EW plant was among the first in the world to be commissioned.
Minero Perú S.A. sold Cerro Verde to Cyprus Climax Metals Company in 1994. By 1996, remaining ownership included Buenaventura and a variety of individual investors trading their shares on the Lima Stock Exchange. Shortly thereafter, Cyprus invested in improvements to the leach process production. Cyprus Climax Metals Company was acquired by the Phelps Dodge Corporation (PDC) in 1999. By 2004, the SX/EW plant capacity was at 200 million pounds of copper cathode per year (Bernal and Velarde, 2004).
In 2005, SMM Cerro Verde Netherlands B.V. acquired 21 percent ownership, and Buenaventura increased their ownership to 18.3 percent while PDC retained 53.56 percent as part of construction of a primary sulfide concentrator (C1). Production started
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in 2006, with a capacity of 108,000 metric tons of ore per day. In 2011, C1 capacity was increased to 120,000 metric tons per day following completion of various debottlenecking projects.
FCX acquired PDC in 2007. In 2007, FCX started a drilling program for deep exploration, infill confirmation, geomechanical, hydrogeological, and condemnation targets. Between 2008 and 2011, more than 200,000 meters were drilled.
Construction of new, additional concentrator facilities (C2) with a nominal capacity of 240,000 metric tons of ore per day was completed in 2016. As a result, the total Cerro Verde concentrating capacity expanded to 360,000 metric tons of ore per day. Recent production trends are exceeding the designed capacities. In 2018, ore processing capacity of C2 was increased to 288,000 metric tons of ore per day.
The Cerro Verde mine is a well-developed property currently in operation and all previous exploration and development work has been incorporated where appropriate in the access and operation of the property. Exploration or development work is included in the data described in Sections 6 through 11 of this TRS.
6GEOLOGICAL SETTING, MINERALIZATION, AND DEPOSIT
6.1Regional Geology
The Cerro Verde district is part of the Paleocene copper-molybdenum porphyry metallogenic belt, which includes non-FCX mines such as Cuajone, Quellaveco, Toquepala and other non-FCX deposits such as Mina Chapi and Don Javier. These deposits are generally aligned parallel to the Nazca Trench and the Incapuquio Sinestral fault system with northwest-southeast orientations as shown in Figure 6.1 (modified from Acosta et al., 2010).
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Figure 6.1 – Incapuquio Fault System Structural Corridor
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The regional framework consists of a metamorphic basement. These basement rocks form part of the Arequipa massif, which accreted onto the western margin of Gondwana in the late Proterozoic (Acosta, 2006 and references therein). The basement rocks have been subjected to metamorphic events at 1.9, 1.2, and 0.97 billion years (Wasteneys et al., 1995; Martignole and Martelat, 2003; Pino et al., 2004).
Lower Jurassic volcanic and sedimentary rocks are represented by the Chocolate Volcanics, comprising of a sequence of lava flows of andesitic composition and reddish volcanic breccias with small sedimentary intercalations. Volcanism was followed by the deposition of limestones of the Socosani Formation and siliclastic-calcareous rocks of the Yura Group, as a consequence of accumulation, subsidence, and weathering in the Arequipa basin (Sempéré, et al., 2002; Pino, 2003).
During the Upper Cretaceous – Lower Paleocene, compressional tectonics affected the Arequipa basin (Vicente, 1990) causing the inversion of the volcano-sedimentary basins of the Upper Cretaceous (Cornejo and Matthews, 2001), (Zappettini et al., 2001). The northwest-southeast Incapuquio Sinestral fault system facilitated abundant magmatism that is represented by the Toquepala Group (Jacay et al., 2002, Sempéré et al., 2002). Then, in the Lower Paleocene – Eocene (63 to 55 million years) an episode of bimodal volcanism developed, partly under an extensional regime (Benavides-Cáceres, 1999). These rocks are associated with epithermal gold and silver deposits and copper porphyry deposits (Sillitoe et al., 1991). The various magmatic pulses of the Cerro Verde porphyries are associated with these events.
6.2Deposit Geology
The Cerro Verde mining district comprises a copper-molybdenum porphyry cluster that includes a series of deposits (CV, SR, and CN) which are related to calc-alkaline
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intrusions (dacite to monzonite porphyry) and quartz-tourmaline hydrothermal breccia bodies.
In general, these deposits are low grade and high tonnage, genetically related to igneous epizonal intrusions and characterized by multiple events from a parental magmatic chamber, which are distributed along the Incapuquio fault system corridor.
The three deposits are currently in production with each having similar characteristics. The deposits are differentiated by the level of erosion, alteration intensity and magmatic history.
Age dates of the rocks within the mine area (Stegen, Barton, and Waegli, 2018) are as follows:
Tiabaya Granodiorite: 79.9 million years (uranium-lead zircon dating).
Yarabamba Granodiorite: 61.8 to 62.3 million years (uranium-lead zircon dating).
Dacite Porphyry, which is part of the Dacite-Monzonite Porphyry suite: 60.9 to 62.4 million years (uranium-lead zircon dating).
Late Dacite Porphyry: 58.5 to 59.8 million years (uranium-lead zircon dating).
Fragmental rock at CN: 57.0 plus or minus 1.5 million years (potassium–argon sericite dating).
Figure 6.2 shows a regional stratigraphic column and intrusive history of rocks in the district.
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Figure 6.2 – Regional Stratigraphic Column of the CV and SR Deposits
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6.2.1Structural Geology
The CV and SR deposits are located in the core of a gently folded west-northwest striking basement-cored anticline or southwest-tilted structural block. The anticlinal axis parallels the Tinajones fault system, a regional north 60-degree west to east-west striking fault zone/lineament. The influence of this structural zone is reflected in the copper grade distribution at depth.
A series of parallel north 60-degree east, steeply northwest dipping faults were mapped in the CV and SR pits. Copper contours at depth also define several north-south trends suggestive of underlying structural control. The general fault pattern in the district suggests a major left-lateral fault zone. No major offsets in copper grade contours have been noted, suggesting that post-mineral faulting was minor in the district. The northwest-trending and southwest-dipping Charcani Gneiss-Yarabamba Granodiorite contact played an important role in the localization of the productive porphyries in the Cerro Verde mine area.
6.2.2Rock Types
A plan map and cross section of the CV, SR, and CN deposit locations, structures, and
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lithologies is shown in Figure 6.3 and Figure 6.4.
Figure 6.3 – Structure and Lithology of CV, SR, and CN Deposits
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Plan view at 2573-meter elevation.
Figure 6.4 – Structure and Lithology Cross Section of CV, SR, and CN Deposits
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Section line is shown on plan map in Figure 6.3. Elevations are in meters.
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Descriptions of the individual units from oldest to youngest are presented below.
The Charcani gneiss consists of leucocratic quartz-feldspar bands alternating with dark biotitic bands, commonly containing magnetite. Elsewhere the rock is a medium to coarse granitoid composed of quartz, orthoclase, biotite, and lesser plagioclase and muscovite.
The Late Cretaceous Tiabaya granodiorite batholith is exposed north of the mine area. According to García (1968), the intrusive has an oval shape with steeply dipping contacts with its long axis trending northwest. The intrusive predates the mineralization but is seldom affected by alteration. According to Kihien (1975), the granodiorite shows minor propylitic and phyllic alteration with anomalous copper values in an area northeast of Cerro Verde. The coarse-grained equigranular rock consists of plagioclase, quartz, potassium-feldspar, hornblende, and biotite.
The Tiabaya and Yarabamba granodiorites are the more evolved facies of the Caldera batholith. Regionally, different units of the batholith display a concentric arrangement with the youngest intrusive at the center of the batholith. The Yarabamba granodiorite is spatially associated with dacite porphyry intrusives and is an important ore host in the Cerro Verde district. In drill hole core, granodiorite has several textural and compositional varieties ranging from granodiorite to tonalite. At least six different units of Yarabamba granodiorite can be distinguished through drill hole logging.
A fine to medium-grained equigranular quartz diorite to tonalite was mapped by Kihien (1975) in an area northeast of the main CV deposit. The quartz diorite is more common in the SR area.
A medium-grained hypidiomorphic granodiorite with a minor amount of small, rounded quartz phenocrysts forms a small stock in SR. Similar quartz-porphyry rocks occur in close proximity to the main dacite porphyry complexes. A fine-grained microgranite, with a low phenocryst-to-groundmass ratio, is present in proximity to CN.
A late intrusive event is represented by several dacite porphyry units hosting quartz, biotite and plagioclase. These dacite porphyry apophyses show a close spatial relationship with porphyry copper mineralization at CV and SR. The hydrothermal systems center on separate dacite porphyry hypabyssal intrusives, indicating at least two major dacitic intrusive events took place in the district. The various dacite porphyry phases are identical in mineral composition and crystal size; however, the phenocryst-to-groundmass ratio may vary.
A diorite porphyry, located toward the northern portion of the SR pit, occurs as an endogenous dome, intruding and underlying the contact between Yarabamba granodiorite and dacite porphyry. The roots of this late-phase intrusion have not been located. It is post-alteration and post-mineral.
Late magmatic events resulted in emplacement of multiple narrow dacite dikes in the SR areas and as a north-south dike with an approximate width of 75 meters in the CN area. They are generally barren with little pyrite.
Various hydrothermal breccias are widespread in the CV and SR porphyry systems. CV was formed by at least three coalescing breccia bodies measuring 1,000 meters in a
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northwest direction. The main characteristic of hydrothermal breccia is the presence of an open space that is filled with a variety of hydrothermal minerals.
6.2.3Alteration and Mineralization
Prograde alteration in the district is associated with the intrusion of the early dacite-monzonite porphyry stock. From the center of the hydrothermal system outward, three alteration zones are recognized:
A broad development of secondary potassium-feldspar and secondary quartz (potassic alteration).
Potassium-feldspar with biotite (biotitic potassic).
A lower-temperature phase that constitutes an external halo of propylitic alteration.
Retrograde alteration constitutes a transitional phase between the late magmatic phase and later the hydrothermal stages of phyllic and intermediate argillic. Retrograde alteration includes the precipitation of silica, replacement of secondary biotite with chlorite, and the development of anhydrite veins. In this phase small quantities of copper are introduced into the system, but it is the main phase for precipitation of molybdenite.
In the Cerro Verde mining district, mineralization is directly linked to multiple igneous intrusive events. The resulting hypogene mineralization is dominantly chalcopyrite with minor bornite. Retrograde events resulted in a slight increase in chalcopyrite and precipitation of molybdenite. Supergene processes formed a profile containing zones of leached capping, oxide copper mineralization, chalcocite enrichment, and a mixed chalcocite-hypogene transition zone. Copper ore types used for resource estimation and material routing are summarized in Table 6.1.
Table 6.1 – Mineralogical Ore Types
Ore TypeMineralogy
Leached CapHematite, goethite, and lesser jarosite
OxideChrysocolla, brochantite, and lesser malachite
Copper PitchCopper-manganese oxides
Secondary SulfideChalcocite, covellite
Transition SulfidePartial replacement of chalcopyrite by chalcocite
Primary SulfideChalcopyrite, minor bornite
The majority of the oxide and secondary sulfide mineralization at CV and SR has already been mined.
The hypogene ore grade shell with a 0.2 percent total copper grade (TCu) is larger and has a greater horizontal to vertical aspect ratio at SR than the CV deposit. The grade shell at CV is more compact with a greater vertical component. Encompassing both deposits, this grade shell measures approximately 5.6 kilometers in length trending northwest-southeast, 1.6 kilometers in width and 2.0 kilometers in depth, based on current drill hole lengths.
There are several breccia types at CV and SR that typically contain elevated copper grades. Mineralization associated with breccias is more prevalent at SR.
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Lead, zinc, and arsenic are associated mainly with mineralized faults, veins, and breccias. These elements are included in the geologic modelling because elevated values in the copper concentrates can result in smelter penalties.
CN has very well-developed oxide mineralization. The predominant mineral is chrysocolla with lesser amounts of tenorite and malachite. Mineralization occurs mainly in fractures. Moderate amounts of specularite occur as a replacement of the matrix or as fragments in the tourmaline breccia.
Figure 6.5 and Figure 6.6 provide interpreted copper mineral types in map view and cross section at CV, SR, and CN deposits.
Figure 6.5 – Copper Mineral Types of CV, SR, and CN Deposits
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Mid-bench elevation 2573-meter elevation.
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Figure 6.6 – Copper Mineral Type Cross Section of CV, SR, and CN Deposits
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Section line is shown on plan map in Figure 6.5. Elevations are in meters.
7EXPLORATION
Cerro Verde is a mature mining district with a long history of exploration. The data, methods, and historical activities presented in this section document actions that led to the initial and continued development of the mine but are not intended to convey any discussion or disclosure of a new, material exploration target as defined by S-K1300.
Exploration outside of the current operation is in collaboration with the FCX Exploration Group and incorporated into the geologic model. New drilling was included in the update of the geological resource model to support the mineral reserves and mineral resources. Drilling results added for the model update provide local refinement of the geologic interpretations and grade estimates, but do not materially alter these interpretations and estimates on a district-wide scale.
7.1Drilling and Sampling Methods
The drill hole database for the project contains 2,781 drill holes completed between 1971 and 2020, representing 876,074 meters of drilling. This includes condemnation, district exploration, geotechnical, hydrogeological, and drilling for clay material. These low-grade to barren holes are not in the immediate mining areas and are not used for resource estimation. Drill holes used for geologic modeling are summarized in Table 7.1. Approximately 2 percent of the data was obtained from reverse circulation (RC) drilling.
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Table 7.1 – Summary of Drill Hole Programs
CoreRCTotal% of Total
YearsCompanyHolesMetersHolesMeters
1971 to 1975Minero Peru22780,8310080,8319.7
1994 to 1999Cyprus26964,3846113,81178,1959.4
2000 to 2006PDC31379,050161,36480,4139.6
2007 to 2020FCX1,773596,04210763596,80571.4
Totals2,582820,3078715,938836,244100.0
% of Total96.798.13.31.9100.0
Numbers may not foot due to rounding.
The deepest hole on the property is over 2,000 meters whereas most holes are less than 500 meters deep. At Cerro Verde, 83 percent of drill holes are vertical, 15 percent are angle, and 2 percent are horizontal drain holes.
Historically, sampling was done at irregular intervals depending on the observed mineralization (representing 19 percent of intervals included in the model). Between 1999 and 2009, samples were collected based on drill hole runs which had varying lengths. Starting in 2010, a regular 3-meter sample interval was implemented for vertical holes. Starting in 2020, a regular 3-meter sample interval was implemented for angle holes. Prior to 2020, angle holes were sampled on the downhole distance corresponding to a vertical distance of 3 meters for holes steeper than 45 degrees and the downhole distance corresponding to a horizontal distance of 3 meters for holes flatter than 45 degrees. For example, an 80-degree angle hole would have had a sample interval of 3.05 meters.
7.2Collar / Downhole Surveys
Upon completion of a drill hole, collar locations are surveyed using Global Positioning System (GPS) units. All coordinates are based on the local mine grid system.
Historically, downhole surveys were not systematically performed. For historical holes lacking surveys, the collar azimuth and dip are used for the entire length of the hole. In recent drilling programs, downhole surveys are completed for all angle drilling and for all drill holes exceeding 200 meters in depth.
Currently, core and RC drill holes are primarily surveyed using a single-shot camera method. Surveys are conducted on 50-meter intervals down the hole. In cases where downhole surveys are not conducted on shallow holes, values from the hole design are used. Downhole surveys are carefully evaluated to review the accuracy in the survey data. Survey data are part of the district-wide database and are used in the modeling process to locate drill hole intercepts.
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Final reports for collar and downhole surveys are included in the drill hole log files. Original survey records are stored in a secure facility. Spatial locations of the drill holes are visually validated in the resource modeling software.
7.3Drill Hole Distribution
Core drill holes are typically drilled with a 50-meter grid spacing and a diameter of HQ-size (2.5 inches). Average drill hole spacing increases at depth, so the mine conducts over 10 kilometers of infill drilling on an annual basis. Drill programs are guided by geological and mineralogical characteristics and by the district mining sequence.
Most of the holes drilled in the district are vertical and are distributed along east-west and north-south orientations. Angled holes are drilled to address geological and mineralogical requirements and are used where access to planned drill sites is not available. The distribution of drill holes in the district is shown in Figure 7.1.
Figure 7.1 – Drill Hole Collar Locations
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7.4Sample Quality
At the Cerro Verde mine, core drilling is used as the most accurate method for obtaining geological and assay information. Core recovery is generally above 95 percent.
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Core samples are sawn and taken on 3-meter intervals from the collar. A geologist is present during RC drilling to log samples and monitor sample quality. RC samples are taken at the drill rig utilizing a cyclone to capture a sample. Split sample analyses show that recovery and grades are representative of the material drilled and show no preferential bias of grades due to sampling methods.
The historical Anaconda drilling is no longer used for geologic resource modeling due to concerns about the quality of the information and the disposal of all corresponding drill hole samples.
7.5Sample Logging
Core logging procedures used at the Cerro Verde mine were developed under the ownership of Minero Peru, Cyprus, PDC, and FCX. Historical logging was done on paper and includes information regarding rock types, structure, mineralization, and alteration.
Currently, geological logging is done on laptop computers. Since 2007, all information is entered into a drill hole database. Information collected includes rock type, alteration type and intensity, mineralization, geomechanical parameters, core recovery, rock quality designation (RQD), point load test data, and specific gravity (SG). Since 2005, high-resolution photographs have been taken for each box of drill hole core prior to logging.
Completed logs are validated, approved, and then printed out and stored on-site for each drill hole.
7.6Hydrogeology
Hydrogeologic work is part of an innovative workflow that allows reconciliation of observed open-pit slope pore pressures against geotechnical targets and predicted depressurization results. The prediction of expected hydrogeologic responses from the existing and planned additions to the piezometer network, horizontal drain holes, and vertical dewatering wells is generated using a three-dimensional numerical groundwater flow model. Hydrogeological modelling was based on work by third-party consultants from studies completed in 2020.
The Cerro Verde mine works to achieve slope depressurization and dewatering goals and continues to update water management plans to intercept groundwater with horizontal drain hole drilling programs for specific slope depressurization needs, annual piezometer, and vertical wells installation focused on targeted areas, and necessary dewatering rates.
Ongoing hydrogeologic investigation includes:
Design and implementation of appropriate proactive dewatering and slope depressurization measures including a piezometer network, pilot holes, vertical production wells, and horizontal drain holes.
Field activities associated with mine dewatering and pit slope depressurization, including RC pilot borehole hydrogeologic logging, airlift and recovery testing and characterization, water quality testing, dewatering well design, and piezometer design and construction.
Monitoring of production from vertical well and horizontal drain flows, piezometer performance, and pit sump evacuation pumping.
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Routine construction and replacement of a groundwater and pore pressure monitoring system utilizing a piezometer network, pilot holes, dewatering wells, and associated pumping and piping infrastructure.
7.7Geomechanical Data
Geomechanical work includes an integrated workflow to manage needs that include field investigation, slope stability studies, mine dewatering, and pit slope depressurization. A comprehensive geology model is used as a baseline to integrate the stability models to hypothesize failure mechanisms, define geomechanical domains, estimate strength parameters, and identify slope depressurization targets.
The Cerro Verde mine uses limit equilibrium and numerical models to evaluate slope stability and establish annualized depressurization targets required to achieve the slope stability design acceptance criteria for factor of safety and strength reduction factors. Moreover, stability studies update the recommendations for bench geometries, inter-ramp slope angles, and overall slope configurations. Efforts also include stability studies for certain waste dumps and ROM stockpiles. Geomechanical modelling was based on work by third-party consultants from studies completed in 2020.
Televiewer surveying is used on geomechanical holes. A third-party consultant uses the data collected in conjunction with physical examination of the drill hole core to characterize the orientation and properties of the geologic structures.
Ongoing geomechanical investigation includes:
Design and implementation of appropriate proactive geotechnical measures including geomechanical core drilling, televiewer surveying, cell mapping, photogrammetry, and rock testing.
Geomechanical core drilling is planned and executed to characterize the orientation and properties of geologic structures with televiewer surveying to obtain geomechanical parameters, rock testing, and install instrumentation.
Geomechanical models including RQD are used for predicting the spatial variability and assessing rock quality as it relates to the degree of fracturing within the in-situ rock mass.
Structure data is collected through cell mapping and photogrammetry to characterize the orientation and properties of geologic structures.
Rock testing quantities are governed by rock quality and sample availability and include, but not limited to, triaxial tests, uniaxial tests, disk tension tests and small-scale direct shear tests. Testing is performed in accordance with the American Society of Testing and Materials, the International Society for Rock Mechanics, and the British Standards.
Routine replacement and addition of geomechanical drill holes in areas of interest.
These activities are supervised and guided by an expert group specialized in mining geomechanical, hydrogeology, mine dewatering, and pit slope depressurization allowing completion of the geomechanical and hydrogeologic activities to established FCX mining geomechanical standards. The group consists of site personnel, FCX Corporate Geomechanical and Hydrogeology teams, primary geomechanical and hydrogeological third-party consultants, external reviewers, and industry experts.
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7.8Comment on Exploration
In the opinion of the QPs:
The exploration programs completed at Cerro Verde (drilling, sampling, and logging) are appropriate for geologic resource modeling.
The data spacing and distribution is sufficient to establish the degree of geological and grade continuity appropriate for mineral reserve and mineral resource estimation.
The geomechanical and hydrogeologic programs are appropriate to support slope design recommendations according to the established slope design criteria and mine plans.
8SAMPLE PREPARATION, ANALYSES, AND SECURITY
8.1Sampling Techniques and Sample Preparation
Historically, core samples were split using a manual press splitter. Electric disc splitters were used from 1999 to 2009 with the objectives of obtaining a better cut in the sample, avoiding bias, and the loss of fines. As of 2010, semi-automatic core saws have been employed. The core saws are more efficient and provide a representative split of the drill hole intervals.
Sample technicians place one-half of the sample back into the original core box in the same position and direction as it was originally oriented. The other half is placed in a labeled plastic bag, with the name of the drill hole, sample identification, and interval number. Sample weights are approximately 15 kilograms for split HQ-size (2.5 inches) core and 9 kilograms for NQ-size (1.875 inches) core. Drill hole core storage is located in on-site facilities. Core splits and rejects from all drilling programs are stored chronologically, with the exception of the Anaconda drilling programs.
In heavily faulted or other zones of poor core recovery, it is not possible to obtain a representative sample for assay. In these cases, a sample number is assigned but no sample is sent to the laboratories. It is entered in the database as having no recovery or grade.
For RC drilling, a sample is taken each meter from the cyclone. Each group of 3 samples is then combined to form a 3-meter sample. These samples are then taken to the Cerro Verde mine assay laboratory where they are quartered, split, and portioned by weight to produce a single sample weighing approximately 15 kilograms for each 3-meter drill hole interval. The material size for RC samples is approximately a quarter inch.
Samples from core and RC drilling are sent to the Cerro Verde mine assay laboratory for preparation and analysis. Sample preparation is done according to mine site procedures. Wet samples are taken to the sample preparation yard and left at ambient temperature for 3 hours. In case of rain, samples are dried in the oven for approximately 2 hours.
After drying, samples are crushed to minus a quarter inch using a Boyd crusher. Twenty percent of the sample is retained for further processing, while the remaining 80 percent is placed in a new bag for storage. Samples are then pulverized to minus 100 mesh and five pulps of 80 grams. Pulp samples are returned to the Cerro Verde geologists for insertion of quality assurance and quality control (QA/QC) samples, described in Section
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8.3. For chain of custody purposes, the names of the individuals delivering and receiving the samples are recorded and stored at the mine site.
8.2Assaying Methods
Assaying for Minero Peru drill hole samples was performed at the Cerro Verde mine assay laboratory. Selected duplicate verification samples were sent to the SGS Group (SGS) laboratories in Lima, Peru. Cyprus and PDC also conducted assay work at the mine assay laboratory. Grade reports were completed via hand-filled paperwork.
FCX continues to send drill hole samples to the Cerro Verde mine assay laboratory. This laboratory has a Peruvian Technical Standard ISO/IEC certification 17025:2006. In addition, some composites are sent to the FCX’s Technology Center facilities in Tucson, Arizona, U.S. (TCT). The TCT laboratory is accredited under the ISO 9001:2015 Quality System. Secondary laboratory samples are sent to Certimin S.A., a third-party laboratory in Lima, Peru, that has a Peruvian Technical Standard ISO certification IEC 17025:2019.
Historically, samples have been analyzed by atomic absorption spectroscopy (AAS). In addition to TCu, samples were analyzed for acid-soluble copper (ASCu) followed by cyanide-soluble copper (CNCu) on the residue from the acid-soluble sample. Since 2008, copper has been analyzed by inductively coupled plasma. Samples exceeding 10,000 parts per million copper are reanalyzed by AAS. Cyanide testing was stopped in 2019 due to safety concerns and replaced with a ferric sulfate-soluble copper assay, known as quick leach test (QLT).
Other elements analyzed include total molybdenum (TMo), total iron (TFe), total arsenic (TAs), lead, sulfur, zinc, silver, gold, and manganese. There is also information on mineral characterization from x-ray diffraction (XRD) and cation exchange capacity. Composite samples for metallurgical recovery tests have mineralogical analyses performed by SGS’s quantitative evaluation of minerals by scanning electron microscopy (QEMScan).
8.3Sampling and Assay QA/QC
No written documentation exists for QA/QC procedures used by Minero Peru, Cyprus, and PDC. QA/QC information for these pre-FCX drill holes consisted only of duplicates. Despite the lack of robust QA/QC programs for these holes, no issues have been identified in the geologic and assay information associated with this drilling. Furthermore, a significant portion of the intervals for these holes have been mined out at the Cerro Verde mine.
Current procedures at the Cerro Verde mine for QA/QC on drill hole samples are as follows:
Standards are inserted on a 1 in 20 basis by Cerro Verde for assay by Cerro Verde mine assay laboratory. These standards were made from primary sulfide mineralization taken from the CV and SR open-pits. This locally sourced material was sent to SGS in Lima, Peru for preparation of sample pulps. SGS’s laboratory in Lima has a Peruvian Technical Standard ISO/IEC certification 17025:2017. The standard values are blind to the laboratory and are added to assess accuracy.
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Technical Report Summary for
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Blanks are utilized and inserted on a 1 in 20 basis to confirm that there is no contamination between samples due to the sample preparation errors at the laboratory. Blanks were prepared and certified by SGS. Certification was based on inter-laboratory analytical results compiled by SGS. Another set of blanks were prepared at the Cerro Verde mine using unmineralized quartz material. The blanks are blind to the laboratory.
Duplicates are analyzed on a 1 in 60 basis at the splitting (sample) and pulverization (pulp) stages of sample reduction. For core samples, the remaining half of split core, normally reserved for reference and metallurgical testwork, is sent to the laboratory as a duplicate sample. For RC samples, a duplicate sample is collected during drilling from the rig mounted cyclone splitter. The sample duplicates are blind to the laboratory. Each pulp duplicate is taken as a split from the pulverized material of the corresponding sample duplicate. Duplicate results are used to assess analytical precision and to evaluate the sampling nomograph.
Over the years, random selections of pulp samples were sent to various secondary laboratories for validation of the primary laboratory results, with a targeted insertion rate of 3 to 5 percent.
QA/QC data is entered directly into the drill hole database. All QA/QC check assays are examined for acceptability using QA/QC tools in the database software. Assays that meet QA/QC requirements are accepted into the database; those that did not are rejected, and reruns are ordered from Cerro Verde mine assay laboratory.
8.4Bulk Density Measurements
The Cerro Verde mine tests core samples from CV, SR, and CN for density using the immersion method on unsealed pieces of dry drill hole core. One SG measurement is generally made for each 3 meters of core. Sample selection considers various geological criteria such as rock type, alteration, mineralization, fracturing, faulting, and other representative parameters. The weight of the sample in air and weight of the sample in water are entered into the database, providing a SG value for each interval by using the following formula:
SG = weight in air / (weight in air – weight in water)
Assumes water has an SG of 1 and surface tension is not a factor.
8.5Comment on Sample Preparation, Analyses and Security
In the QP’s opinion, sample preparation, analytical methods, security protocols, and QA/QC performance are adequate and supports the use of these analytical data for mineral reserve and resource estimation.
9DATA VERIFICATION
9.1Data Entry and Management
Drill hole information is maintained in a database and managed by a database manager that has full access and the ability to restrict and monitor access for other end users. This database manager coordinates and controls the entry of all geologic information into the district-wide drill hole database.
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Analytical data is loaded into the database directly from the laboratory via software importers. Prior to loading, the information is checked and validated. As needed, analytical results are rejected, and the relevant samples are reanalyzed. There is no manipulation of the assay information.
Outlier evaluations are routinely completed for the 3-meter assay intervals and 15-meter composites. The analytical values are compared to visual estimates as a check of the logging quality and the assay values. Assay intervals are validated and checked against the actual sample intervals.
Collar survey data is loaded directly from GPS units into the database. Collar locations are checked against surveyed topographic surfaces. Downhole surveys are examined for anomalous changes in azimuth and dip between adjacent surveys in cross section before they are imported into the database.
For historical drill holes, collar coordinates, downhole surveys, mineralogy and alteration codes, lithology and assays were migrated to the database via manual entry from the original core logging sheets. SG, uniaxial compressive strength, and RQD were entered from geotechnical logs. The transfer and validity of this data has been frequently checked during various model updates throughout the years.
9.2Comment on Data Verification
As confirmation of the mineral reserve and resource process, third-party consultants are occasionally hired to perform verification studies. The Cerro Verde mine was last reviewed for year-end reporting during 2018. The study included database checks and concluded that the database supporting the geological information of the CV, SR, and CN resource estimate is complete and complies with mining industry standards.
The QP has been involved in recent model audits of the Cerro Verde mine including reviews of the drill hole data. The data has been verified and no limitations have been identified.
In summary, data verification for the Cerro Verde mine has been performed by mine site and FCX corporate staff, and external consultants contracted by FCX. Based on reviews of this work, it is the QP’s opinion that the Cerro Verde mine drill hole database and other supporting geologic data align with accepted industry practices and are adequate for use in mineral reserve and mineral resource estimation.
10MINERAL PROCESSING AND METALLURGICAL TESTING
Mineral reserves and mineral resources are evaluated to be processed using hydrometallurgy and/or concentrating (mill) operations. The applicable processes and testing are discussed below.
10.1Hydrometallurgical Testing and Recovery
Hydrometallurgical recovery is estimated based on the recoverable copper content and the time required to extract the recoverable copper. The final recovery is realized only after multiple leaching passes or cycles on the stockpiles. A leach cycle consists of solution application to a leach pad, followed by a rest period without solution application. Subsequent leach cycles recover diminishing portions of remaining copper.
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Technical Report Summary for
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Hydrometallurgical recoveries at the Cerro Verde mine have been developed from a combination of assay results to determine the range of mineral solubilities, column leach testing using standardized practices by the on-site laboratory, and monitoring of field results. Recoverable copper content and kinetic recovery curves vary by ore type and applied leach cycles. Leach production results are tracked over many years to confirm actual hydrometallurgical recoveries. The range of expected long-term leach recoveries by process is listed in Table 10.1 for hydrometallurgy operations.
Table 10.1 – Hydrometallurgical Recoveries
Hydrometallurgical MethodEstimated Copper Recovery (%)
Crushed Leach76 to 80
ROM Leach45 to 47
Historical recovery estimates have been based on CNCu assays. This assaying method was eliminated in 2019 due to safety concerns. Analysis was undertaken to replace CNCu with QLT in the leach recovery equations for the range of mineral solubilities. No material differences were identified between recovery methodologies. The original recovery equations based on CNCu continue to be utilized for material lacking QLT data, since the original information is available and remains valid. QLT based equations are utilized where data is available.
Field results are a combination of ore type deliveries to the leaching processes. Actual results of the aggregate copper recovery compare favorably to the estimated recoveries and it is the QP’s opinion that the recovery estimates and kinetic recovery curves are reasonable.
10.2Concentrating Metallurgical Testing and Recovery
Metallurgical testing and development activities were undertaken during 2003 and 2004 to support the initial C1 concentrator development. Much of the metallurgical testwork performed by PDC and third-party laboratories was done on variability samples or composites representing the different ore types. The parameters from the testwork were used as inputs to predictive performance models for the plant, in terms of throughput in the comminution circuit, metal recovery, and concentrate grade in the flotation circuits. The testwork and engineering studies ultimately led to the construction and commissioning of the C1 concentrator in early 2007.
The C2 concentrator was commissioned in late 2015. The design and construction were based on the original testwork for C1, with additional trade-off studies and the operating data from C1 to improve parts of the circuit.
Current predictive plant performance models have been based on operating results more than initial testwork, especially with respect to the tonnage capability of the plants, which have exceeded the original design criteria for the concentrators. The historical performance of the plants helps to define the capability of the plant but does not confirm future performance.
The Cerro Verde mine also relies on a geometallurgical testwork program to determine the characteristics of future ores. The majority of the geometallurgical testwork was completed by the Cerro Verde mine laboratory. Geometallurgical campaigns are designed to focus on ore to be processed in the next 5 years of operation, with a smaller
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number of samples covering the expected future ores deliveries to compare to the ore currently being processed. The testwork include flotation tests, Bond Work Index (BWI) testing, and mineralogical analysis including QEMScan and XRD.
The QA/QC procedures for the hardness testing include repeats, duplicates, and a laboratory round-robin verification program. For flotation testing the main QA/QC methodology is by use of repeats and duplicates.
Metallurgical recovery of copper and molybdenum consider three ore types, namely primary sulfides, secondary sulfides, and transitional sulfides. Recovery estimates have been developed by ore type for the district and are supported by analytical testing at the operation along with field results. The long-term metal recovery estimates by ore type are listed in Table 10.2 for concentrator operations.
Table 10.2 – Concentrator Recoveries
Ore Type DescriptionCopper Recovery (%)Molybdenum Recovery (%)
Primary Sulfides9055
Secondary Sulfides8552
Transitional Sulfides8552
Silver is a by-product of the copper concentrate produced and is recovered in the smelter.
From 2015 to 2021, metallurgical recovery of copper has been affected by a high percentage of ore feed from previously stockpiled ore. This ore is primarily comprised of oxidized sulfide material with a lower realized recovery than the original testwork. The current stockpile inventory is planned to be depleted by 2028 in the LOM plan and primary sulfide ore will be the majority of ore feed deliveries. As a result, future metallurgical recovery is expected to better align with the estimates of the ore types.
Arsenic is present in the ore but does not occur in the copper concentrates at levels above the contract specifications. Arsenic can occur at levels above contract specifications in the molybdenum concentrate. The Cerro Verde mine manages this material through blending of concentrates with lower levels of arsenic so that the final product is shipped within specifications.
While there are some isolated areas of high zinc and lead in the mine, neither the copper nor the molybdenum concentrates are impacted by these impurities.
10.3Comment on Mineral Processing and Metallurgical Testing and Recoveries
In the opinion of the QPs, the metallurgical testwork completed has been appropriate to establish reasonable processing methods for the different mineralization styles encountered in the deposits. Geometallurgical samples are properly selected to represent future ores and recovery factors have been confirmed from production data collected from ore processed in the open-pits. As a result, the processing and associated recovery factors are considered appropriate to support mineral reserve and mineral resource estimation and mine planning.
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Technical Report Summary for
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11MINERAL RESOURCE ESTIMATE
Mineral resources are evaluated using the application of technical and economic factors to a geologic resource block model and employing optimization algorithms to generate digital surfaces of mining limits, using specialized geologic and mine planning computer software. The resulting surfaces volumetrically identify material as potentially economical, using the assumed parameters. Mineral resources are the resultant contained metal inventories.
11.1Resource Block Model
Relevant geologic and analytical information is incorporated into a three-dimensional digital representation referred to as a geologic resource block model. The Cerro Verde mine resource block model was updated on May 3, 2021 with an effective date for exploration drill hole data of December 1, 2020. The Cerro Verde resource block model includes rock type and mineralogical ore type interpretations for the Cerro Verde district based on drilling and projections from production data and interpolation parameters which distinguish geostatistical domains.
11.1.1Compositing Strategy
Drill hole assay intervals are combined into 15-meter composites, corresponding to the mine bench height. Composites are broken on lithological contacts, with a minimum length of 7.5 meters. If the composite length is shorter, it is added to the previous composite. The purpose of breaking composites on lithological contacts is to retain the correlation between samples and composites. This was done for TCu, ASCu, and QLT.
For analytes such as TMo, TFe, TAs, and others, a separate bench composite is created to facilitate merging calculated composites with analytical composites. If any portion of a drill hole is flatter than 48 degrees, the compositing program reverts to 15-meter fixed-length composites.
Geological codes are composited by majority code. These codes may be edited manually based on the results of outlier analysis for each rock type and mineral type.
11.1.2Statistical Evaluation
Exploratory data analysis of the composites serves to identify populations for the various analytes to be estimated and checks for trends and extreme values. This analysis is based on cumulative probability plots, QQ plots, histograms, box plots, scatter plots, and basic statistics by each geological domain. Contact analysis is performed to determine the nature of boundaries between geologic domains as either hard or soft.
Numerous statistical studies over the years have demonstrated that ore types based on copper mineralogy comprise distinct populations for copper in the oxide and supergene zones. In the CV deposit, the oxide zone has the highest TCu grades, followed by secondary and primary sulfides. In the SR deposit, secondary sulfides have the highest TCu grades, followed by oxide and primary sulfides. The primary sulfide grades for CV and SR are very similar. For primary sulfide mineralization, late-stage porphyry intrusions are distinctly lower grade while breccias are higher grade. Down hole and direction variograms are used to define anisotropy for Ordinary Kriging (OK).
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11.1.3Block Model Setup
Model limits and block sizes for the geologic resource block model are shown in Table 11.1. East and west coordinates are truncated universal transverse mercator coordinates where 200,000 has been subtracted from east coordinates and 8,100,000 has been subtracted from north coordinates. Elevation is in meters above sea level and the vertical block size matches the mine bench height for open-pit operations. The model has not been rotated and the model extents encompass the CV, SR, and CN deposits.
Table 11.1 – Cerro Verde Block Model Parameters
DirectionMinimumMaximumSize (meters)# of Blocks
X-East20,30028,30020400
Y-North67,00073,40020320
Z-Elevation4432,96315168
11.1.4Topography
Geological interpretations and grade estimates are carried to the original topographic surface in the geologic resource model. The original topography is from Anaconda and is based on aerial photography. Estimated year-end topography is constructed from site surveys and estimated mining progress. Volumes between the estimated year-end topographic surface and the in-place, hard-rock surface are coded as fill material.
11.1.5Geologic Model Interpretation
Rock type interpretations are developed on 129 east-west sections, 161 north-south sections, and 168 mid-bench plans. Sections are spaced 50 meters apart while bench plans are 15 meters apart. Interpretations are reconciled in all three directions. After final checks and minor editing, the mid-bench plan polygonal shapes are used to code the model using the majority percentage for the block.
Interpretations for copper mineral types and alteration are developed in the same way as for rock type. Rock type and mineral codes are used to define interpolations domains for grade estimation.
11.1.6Grade Estimates
The grade interpolation search distances for OK, Inverse Distance Weighting (IDW), and Nearest Neighbor (NN) methods are based on the statistical and geostatistical analyses. Model items for TCu, ASCu, and QLT are all estimated in the same set of runs using OK. Model items for TMo, TAs, RQD, and BWI are estimated using IDW with a power of 3. NN values are utilized to check the interpolated values.
Mineral types for copper are the main control for interpolation of TCu, ASCu, and QLT for non-hypogene mineralization. For hypogene mineralization, copper grade shells and rock types are used to constrain the interpolations. Search distances are 200 meters by 200 meters by 60 meters in X, Y, and Z directions for most interpolation domains. Smaller domains have shorter distances. Separate estimation parameters have been developed for CV, SR, and CN.
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11.1.7Bulk Density
Bulk density was estimated using measured SG values for each drill hole interval composited to 15 meters. A default SG value of 2.698 was assigned for CV and SR, and a default SG value of 2.550 was assigned for CN. Final SG values in the block model were determined using drill hole composite values and NN estimation based on deposit and mineralogic ore types. Search distances for this assignment vary by direction and deposit but do not exceed 200 meters. Beyond this search, averages by deposit are assigned.
11.1.8Mineral Resource Classification
Drill hole spacing and the number of composites used for interpolation are key components in evaluating the uncertainty of mineral resource estimates. Approximately 98 percent of the drilling at the Cerro Verde mine is core. Suspect drill holes have been identified so as not to be used; therefore,  sample type is not a consideration in assessing uncertainty of the mineral resource estimates.
FCX’s experience with porphyry copper deposits has established drill hole spacing criteria that provide estimates of ore tonnage, grade, and contained and recoverable metal meeting corporate standards for each process method. The required drill hole spacing considers uncertainty in grade estimates as well as geometric uncertainty associated with geologic interpretation of copper mineral types, rock types, and alteration. Experience has shown that drill hole spacings of 50 and 100 meters are adequate for determination of measured and indicated resources, respectively, and inferred resources can be projected up to 200 meters from a drill hole.
Resource classification criteria are summarized in Table 11.2 for CV and SR and Table 11.3 for CN. The targeted drill hole spacings for measured and indicated resources at CV and SR have been increased by 10 percent to 55 and 110 meters to allow for holes that cannot be placed exactly on grid locations. If a percentage of the variogram range is less than the established distances, it takes precedence. In most cases, the variogram ranges are longer than the average distance criteria.
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Table 11.2 – Resource Classification Criteria for CV and SR
DomainResource ClassificationVariogram RangeAverage Distance (meters)Minimum # of CompositesMinimum # of Holes
%Distance (meters)
All Domains, except late porphyryMeasured500-5553
Indicated750-10053
Indicated750-11032
Inferred1000-20011
Not classified>100>20011
Hypogenelate porphyryMeasured500-5553
Indicated750-9853
Indicated750-11032
Inferred1000-20011
Not classified>100>20011
Measured: 0 to 50 percent of variogram range or average distance less than or equal to 55 meters
Indicated: 51 to 75 percent of variogram range or average distance less than or equal to 110 meters
Indicated: 76 to 100 percent of variogram range or distance less than or equal to 200 meters
Inferred: Greater than 100 percent of variogram range or distance greater than 200 meters
Table 11.3 – Resource Classification Criteria for CN
DomainResource ClassificationVariogram RangeAverage Distance (meters)Minimum # of CompositesMinimum # of Holes
%Distance (meters)
All DomainsMeasured500-5063
Indicated750-5063
Indicated750-10042
Inferred1000-10011
Not classified>100>15011
Measured: 0 to 50 percent of variogram range or average distance less than or equal to 50 meters
Indicated: 51 to 75 percent of variogram range or average distance of less than or equal to 100 meters
Indicated: 76 to 100 percent of variogram range or distance less than or equal to 200 meters
Inferred: Greater than 100 percent of variogram range or distance greater than 200 meters
11.1.9Model Validation and Performance
The geologic resource model is evaluated by visual inspection, statistical analyses, and comparison with the blast hole model. Reconciliations between the resource model and blast hole models provide a measure of uncertainty associated with mineral resource classification.
Cross sections and level plans showing block model codes and drill hole composites are visually examined to verify proper coding of rock type, alteration, and mineral type. Similarly, block model grades are compared with supporting composite values. These inspections show that block model values compare well with the drill hole composites.
Comparisons among assay, composite, and block model grades are performed for each mineralogical ore type as an integral part of the model process. Estimated grades in the model are evaluated by statistical analyses including cumulative probability plots of assays, composites, and blocks. The cumulative probability plots are developed to
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review that the block grade distributions mimic the distributions of the underlying data. Block model OK and IDW results are compared with the composite data and NN estimates.
As confirmation of the mineral reserve and resource process, third-party consultants are occasionally hired to perform verification studies. The Cerro Verde mine was last reviewed for year-end reporting during 2018, concluding that the geological processes analyzed “are reproducible and therefore auditable, and are supported by procedures, protocols and standards used by the industry”.
FCX corporate standards are that the resource model should be within 10 percent of the blast hole model for tonnage, grade, and contained or recoverable metal over a 12-month period. For sites such as the Cerro Verde mine with multiple processing methods, comparisons are made for each, but consideration is given to the processing method that represents the greatest proportion of production. The comparison between the resource model and the blast hole model indicates that the resource model meets FCX criteria.
11.1.10Comment on Geologic Resource Model
The Cerro Verde mine has a long history of mining and has been the subject of numerous geological studies. In the opinion of the QP, who is a member of the FCX Resource Model Audit Team and has participated in reviews of the most recent model updates:
The Cerro Verde geology staff has a good understanding of the lithology, structure, alteration, and copper mineral types in the district. The understanding of the controls on mineralization are adequate to support estimation of mineral reserves and mineral resources.
The understanding and interpretation of ore types based on copper mineralogy is a key component to supporting classification of mineral reserves and mineral resources by process method.
The geological knowledge of the district is sufficient to provide reliable inputs to mine planning, geomechanics and metallurgy.
The geologic resource model has been completed using accepted industry practices.
The model is suitable for estimation of mineral reserves and mineral resources.
11.2Resource Evaluation
Mineral resource estimates are developed by applying technical and economic modifying factors to the geologic block model to identify material with potential for economic extraction. The process of evaluation is iterative involving an initial draft using the assumptions, understanding the implications of the resulting economical mining limits, and adjusting the assumptions as warranted for subsequent evaluations.
Mineral resource estimates are determined using measured, indicated, and inferred classified materials as viable ore sources during evaluations with the modifying factors.
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11.2.1Economic Assumptions
FCX executive management establish reasonable long-term metal pricing to be used in determining mineral reserves and mineral resources. These prices are based on reviewing external market projections, historical prices, comparison of peer mining company reported price estimates, and internal capital investment guidelines. The long-term sale prices align the company’s strategy for evaluating the economic feasibility of the mineral reserves and mineral resources.
Unit costs are derived from current operating forecasts benchmarked against historical results and other similar operations. Additional input from appropriate internal FCX departments such as Global Supply Chain, Sales and Marketing, and Finance and Accounting are considered when developing the economic assumptions.
To recognize the relationship between commodity prices and principal consumable cost drivers, FCX scales unit costs to reflect the cost environment associated with the reported metal prices. This is evidenced in the differences in economic assumptions between mineral reserves and mineral resources.
The metal price and cost assumptions are used over the timeframe of the expected life of the mine and reflect steady-state operating conditions in the metal price cost environment. Details of the economic assumptions are outlined in Table 11.4.
11.2.2Processing Recoveries
Processing recoveries are outlined in Section 10.
11.2.3Physical Constraints
Slope angle recommendations are provided by FCX geomechanical groups and third-party consultants. The recommendations are derived from empirical analysis of geological and hydrogeological modeling, drill hole results, and in-field measurements.
Boundary limits for resource evaluation include property ownership and permitting limits, and additional major infrastructure relocation requiring capital investment for boundary expansions.
11.2.4Time-Value Discounting
To recognize the time delay in extracting increasingly deeper portions of the mine as part of the mining process, FCX uses bench discount factoring for resource evaluation processes. This factor discounts each block’s value relative to the block’s elevation in the geologic block model, effectively assigning a higher relative value to material located closer to the surface than deeper material, which cannot be accessed until overlying material has been removed.
Additionally, hydrometallurgical processes achieve final recoveries after a period of years of repeated solution applications whereas concentrating process recoveries are realized on a more immediate timeframe. In recognition of this distinction, a time-value discount is applied to hydrometallurgical recovery based on the planned recovery curves.
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11.2.5Cutoff Grades
A cutoff grade is used to determine whether material should be mined and if that material should be processed as ore or routed as waste. The mine planning software evaluates the revenue and cost for each block in the block model to determine routing, selecting material that has a reasonable basis for economic extraction using the provided assumptions. The following formula demonstrates how the cutoff grades are determined within the software:
Internal cutoff grade = Sum of [processing costs + general site and sustaining costs] / Sum of [payable recoverable metal * (metal price – metal refining and sales costs)]
A break-even cutoff grade calculation is similar to the internal cutoff grade formula but includes mining costs. Blocks with grades above the break-even cutoff grade generate positive value, while blocks with grades above the internal cutoff grade minimize negative value. The cutoff grades reported for mineral resources reflect the internal cutoff grades based on economical destination routing from the software results.
Input parameters are applied to individual deposits and distinct ore types as appropriate. Unique parameters can result in distinct cutoff grades. Cutoff grades are reported in terms of an Equivalent Copper Grade (EqCu) defining the relative value of all commercially recoverable metals in terms of copper by ore processing methods.
11.2.6Economic and Technical Assumptions
The economic and technical assumptions used for the generation of potentially economical mining limits are summarized in Table 11.4.
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Table 11.4 – Economic and Technical Assumptions for Resource Evaluation
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It is noted in comparison of current metal prices, mineral reserve and mineral resource price estimates reported by peer mining companies, and market analyst forecasted long-term prices that the assumed price of copper could be considered conservative. Although these sources serve as reference points, higher metal prices and associated costs indicate that additional mineral resources would be profitable in higher metal price environments thus extending the projected life of the mine. As such, the copper price assumptions are considered appropriate for determining mineral reserves and mineral resources.
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11.3Mineral Resource Statement
The mineral resource estimate is the inventory of material identified as having a reasonable likelihood for economic extraction inside the mineral resource economical mining limit, less the mineral reserve volume, as applicable. The modifying factors are applied to measured, indicated, and inferred resource classifications to evaluate commercially recoverable metal. As a point of reference, the in-situ ore containing copper, molybdenum, and silver metal are inventoried and reported by intended processing method.
The reported mineral resource estimate in Table 11.5 is exclusive of the reported mineral reserve, on a 100 percent property ownership basis. The mineral resource estimate is based on commodity prices of $3.00 per pound copper, $12 per pound molybdenum, and $20 per ounce silver.
Table 11.5 – Summary of Mineral Resources
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Extraction of the mineral resource may require significant capital investment, specific market conditions, expanded or new processing facilities, additional material storage facilities, changes to mine designs, or other material changes to the current operation.
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In the opinion of the QP, risk factors that may materially affect the mineral resource estimate include (but are not limited to):
Metal price and other economic assumptions.
Changes in interpretations of continuity and geometry of mineralization zones.
Changes in parameter assumptions related to the mine design evaluation including geotechnical, mining, processing capabilities, and metallurgical recoveries.
Changes in assumptions made as to the continued ability to access and operate the site, retain mineral and surface rights and titles, maintain the operation within environmental and other regulatory permits, and social acceptance to operate.
Uncertainty in geological resource modeling is monitored by reconciling model performance against actual production results, as part of the FCX geologic resource model verification process.
11.4Comment on Mineral Resource Estimate
The mineral resource estimate has been prepared using industry accepted practice and conforms to the disclosure requirements of S-K1300. Mineral reserve and mineral resource estimates are evaluated annually providing the opportunity to reassess the assumed conditions. Although all the technical and economic issues likely to influence the prospect of economic extraction of the resource are anticipated to be resolved under the stated assumed conditions, no assurance can be given that the estimated mineral resource will become proven and probable mineral reserves.
12MINERAL RESERVE ESTIMATE
Mineral reserves are summarized from the LOM plan, which is the compilation of the relevant modifying factors for establishing an operational, economically viable mine plan. The LOM plan incorporates:
Scheduling material movements for ore and waste from designed final mining excavation plans with a set of internal development sequences, based on the results of the resource evaluation process.
Planned production from scheduled deliveries to processing facilities, considering metallurgical recoveries, and planned processing rates and activities.
Capital and operating cost estimates for achieving the planned production.
Assumptions for major commodity prices and other key consumable usage estimates.
Revenues and cash flow estimates.
Financial analysis including tax considerations.
Mineral reserves have been evaluated considering the modifying factors for conversion of measured and indicated resource classes into proven and probable reserves. Inferred resources are considered as waste in the LOM plan. The details of the relevant modifying factors included in the estimation of mineral reserves are discussed in Sections 10 through 21.
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The LOM plan includes the planned production to be extracted from the in-situ mine designs and from previously extracted material, known as WIP inventories. WIP includes material on crushed leach and ROM leach pads for processing, and in stockpiles set aside to be rehandled and processed at a future date. WIP is estimated as of December 31, 2021 from production of reported deliveries through mid-year and the expected production to the end of the year.
12.1Cutoff Grade Strategy
The cutoff grade strategy is a result of the mine plan development, determined by the economic evaluation of the mineral reserves via strategic long-range mine and business planning. Economic cutoff grades are determined from the LOM planning results and can vary based on processing throughput expectations, ore availability, future ore and overburden requirements, and other factors encountered as the mine operates. This approach is consistent with accepted mining industry practice. Cutoff grades reported are the minimum grades expected to be delivered to a processing facility.
12.2Mineral Reserve Statement
As a point of reference, the mineral reserve estimate reports the in-situ ore and WIP inventories from the LOM plan containing copper, molybdenum, and silver metal and reported as commercially recoverable metal.
Table 12.1 summarizes the mineral reserves reported on a 100 percent property ownership basis. The mineral reserve estimate is based on commodity prices of $2.50 per pound copper, $10 per pound molybdenum, and $15 per ounce silver.
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Table 12.1 – Summary of Mineral Reserves
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In the opinion of the QP, risk factors that may materially affect the mineral reserve estimate include (but are not limited to):
Metal price and other economic assumptions.
Changes in interpretations of continuity and geometry of mineralization zones.
Changes in parameter assumptions related to the mine design evaluation including geotechnical, mining, processing capabilities, and metallurgical recoveries.
Changes in assumptions made as to the continued ability to access and operate the site, retain mineral and surface rights and titles, maintain the operation within environmental and other regulatory permits, and social acceptance to operate.
As confirmation of the mineral reserve and resource process, third-party consultants are occasionally hired to perform verification studies. The Cerro Verde mine was last reviewed for year-end reporting during 2018, concluding “that the reserve model, the mineral reserve estimate, and the production plan for the Cerro Verde operation have been developed by using generally accepted mining industry standard procedures”.
The positive economics of the financial analysis of the LOM plan demonstrate the economic viability of the mineral reserve estimate.
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12.3Comment on Mineral Reserve Estimate
The mineral reserve estimate has been prepared using industry accepted practice and conforms to the disclosure requirements of S-K1300. Mineral reserve and mineral resource estimates are evaluated annually, providing the opportunity to reassess the assumed conditions. All the technical and economic issues likely to influence the prospect of economic extraction are anticipated to be resolved under the stated assumed conditions.
Mineral reserve estimates consider technical, economic, and environmental, and regulatory parameters containing inherent risks. Changes in grade and/or metal recovery estimation, realized metal prices, and operating and capital costs have a direct relationship to the cash flow and profitability of the mine. Other aspects such as changes to environmental or regulatory requirements could alter or restrict the operating performance of the mine. Significant differences from the parameters used in this TRS would justify a re-evaluation of the reported mineral reserve and mineral resource estimates. Mine site administration and FCX dedicate significant resources to managing these risks.
13MINING METHODS
The Cerro Verde mine has a long operational history and mining conditions are well understood by the site and FCX corporate staff. The mining method is a conventional truck and shovel, open-pit operation.
13.1Mine Design
The results of the reserve economical mining limit evaluation discussed in Section 11 is used as guides to develop the final mine design and the phased pushback designs for mine sequencing. Mine designs are developed using specialized mine design computer software.
13.1.1Pit Slope Design Parameters
Slope angle recommendations are determined and reviewed by FCX engineers and third-party consultants. These recommendations are based on comprehensive geomechanical testing, studies, and the geomechanical monitoring procedures in the field.
Haul roads and geomechanical catchment berms or step-ins, in conjunction with the recommended inter-ramp slope angles, determine the overall pit slope angles for the design. Inter-ramp slope angles account for differences in rock quality and can include single or double bench designs and various catch bench widths. Thirteen pit slope domains have been defined at the pit areas, each with different design inter-ramp slope angles. The inter-ramp slope angles vary between 38 to 52 degrees and bench face angles vary between 68 to 80 degrees.
Figure 13.1 provides the pit slope domain areas for the Cerro Verde mine. Pit wall slopes are designed with inter-ramp slope angles assigned to each of those domains.
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Figure 13.1 – Pit Slope Domains
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13.1.2Geomechanical and Hydrological Modeling
Geomechanical and hydrological modeling is discussed in Section 7.
The performance of the open-pit wall slopes is monitored with a network of geomechanical and hydrogeological instrumentation. The Cerro Verde mine uses instrumentation that includes slope stability radars, laser scanners, satellite monitoring, extensometers, inclinometers, time domain reflectometry, piezometers, seismic blast monitoring, GPS tracking, and robotic survey stations. Groundwater and pore pressure are controlled with dewatering wells and horizontal drain holes for specific slope depressurization needs as the pit area increases during the life of the mine. The monitoring plan defines responsibilities and outlines the monitoring procedures and trigger points for the initiation of specified remedial measures if movement is detected, and it is the basis for the design of any required remedial measures.
13.1.3Final Mine Design
Using specialized computer software, mine designs are developed with key considerations that include:
Compliance with the geomechanical recommendations.
Reasonable haul road widths and effective grades.
Operational bench height that is safely manageable with the loading equipment, in single and/or double bench configurations where allowable.
Adequate mining width for practical mining.
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Locating pit exits near to material destinations as practical.
Infrastructure location requirements and other boundary restrictions.
Mine sequencing that maintains continuous production throughout the mine life.
Mine designs are reviewed for compliance to key parameters and reasonableness with comparison to historical and current operating practices. The reserve final mine design is illustrated in Figure 13.2.
Figure 13.2 – Final Mine Design
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The final mine design for the CV and SR open-pit is approximately 2.7 kilometers in width (northeast-southwest) and 5.0 kilometers in length (northwest-southeast). The expected depth of the pit is about 1,200 meters ranging from 1,523 to 2,723 meters above sea level. The CN open-pit design is approximately 1.2 kilometers in width (northeast-southwest) and 1.5 kilometers in length (northwest-southeast). The expected depth of the pit is 345 meters with open-pit exit elevations at approximately 2,810 meters above sea level. Mining is designed to take place on 15-meter benches, with pit slopes allowing for double bench configuration where feasible.
The haul ramps are planned with widths of 35 to 40 meters and with a 10 percent grade but can vary in different sections of the ramp. They are designed to accommodate the current truck fleets.
13.2Mine Plan Development
The mine plan is developed based on supplying ore to the processing facilities considering equipment production rates, the mining advance rate through the deposit, ore/waste routing, waste stripping requirements, material storage facility capacities, and
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expansion opportunities. LOM plan schedules are developed using specialized mine planning software.
The mine plan is developed utilizing measured and indicated mineral resource material only. Resource material that is classified as inferred within the mine design is considered waste for LOM planning and mineral reserve estimation.
The deposit is a typical disseminated porphyry type copper deposit, where contact dilution is incorporated into the grade estimation process. As a result, no additional dilution assumption is applied.
Mining ore block recovery is directly related to the mining dilution. Mining recovery in open- pit mines tends to be very high, particularly in disseminated deposits associated with large loading equipment. As result, mining ore block recovery is assumed at 100 percent.
The mine plan is scheduled to ramp up to deliver a targeted average mill production rate of 420,000 metric tons of ore per day by 2026 through 2035, then reduce to 300,000 metric tons of ore per day when C1 ceases production. The average leach production rate is 30,000 metric tons of ore per day through 2023 for crushed leach and ROM leach deliveries are variable through 2043 as material is available. The LOM plan stripping ratio (waste tonnage to ore tonnage) at the Cerro Verde mine is 1.15. Mining activities are projected to end in 2052 when the current reserves are expected to be exhausted.
The mine production rate and expected mine life are illustrated in Figure 13.3.
Figure 13.3 – Total Tonnage Planned Material Movement
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The LOM plan does not include plans for underground development or backfilling of the open-pit although future studies could prove these options as viable improvements to the mine plan development.
13.3Mine Operations
Mine unit operations include drilling, blasting, loading, hauling, and auxiliary support.
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Primary production equipment is used to mine ore and waste and as of December 31, 2021 comprises of 15 blast hole drills, 13 electric rope shovels with bucket sizes ranging from 33 to 57 cubic meters, 2 front end loaders, and 150 haul trucks. The truck fleet is comprised of 93 units with a 245-metric ton payload factor, 54 units with a 300-metric ton payload factor, and 3 units with a 363-metric ton payload factor. The primary production equipment is supported by a fleet of ancillary equipment including track dozers, wheel loaders, motor graders, backhoes, and water trucks. Support equipment is used for building access roads, road maintenance, and other mine services.
The LOM plan includes equipment units up to 13 electric rope shovels and 181 haul trucks. Mine equipment is replaced or rebuilt after its useful life is achieved. Costs for mine equipment replacements and additions are accounted for in the financial modeling.
The site is in operation with experienced management and sufficient personnel. The mine operates 365 days per year on a 24 hour per day schedule. Operational, technical, and administrative staff are on-site to support the operation. As of December 31, 2021, mine operations have 2,662 employees with additional contractors available as needed.
14PROCESSING AND RECOVERY METHODS
The process facilities operate 365 days per year with exceptions for maintenance. The facilities have a long operating history. FCX and the Cerro Verde mine anticipate that the site will have adequate energy, water, process materials, and permits to continue operating throughout the LOM plan. Figure 14.1 illustrates an overview process map.
Figure 14.1 – Site Process Diagram
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Ore can be directed through hydrometallurgical or concentrating facilities. The hydrometallurgical operation consists of crushed and ROM leach pads, stacking
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equipment for ore placement, a SX plant consisting of five SX trains, and an EW facility with two cell lines. The hydrometallurgical process produces a high-quality copper cathode.
Primary and certain secondary sulfide ores are processed in the concentrators, which produce copper and molybdenum concentrates. The C1 concentrator was commissioned in late 2006, with a design capacity of 108,000 metric tons of ore per day, and the C2 concentrator was commissioned in late 2015 with a design capacity of 240,000 metric tons of ore per day. Actual performance and ongoing debottlenecking activities support the LOM plan achieving a combined concentrator capacity of up to 420,000 metric tons per day.
The C1 concentrator has one line of comminution equipment and the C2 concentrator has two lines of comminution equipment, with each line consisting of a primary gyratory crusher, secondary cone crushers, tertiary high-pressure grinding roll (HPGR), and ball mills. The ore is floated in rougher and cleaner flotation circuits to produce a bulk copper-molybdenum concentrate. The copper-molybdenum concentrate is sent to a molybdenum flotation plant to produce a molybdenum concentrate and a final copper concentrate. All concentrates are dewatered before transport.
These processing methodologies are accepted industry practices for the types of mineralization found at the mine site and are supported by recovery results.
14.1Hydrometallurgical Processing Description
Oxide, and secondary and transitional sulfide ores from the mine are delivered to leach pads. The SX/EW plant is designed to extract copper from the pregnant leach solutions (PLS) collected from the site’s leach pads. Copper is extracted from the ores by using a grid solution system to deliver an aqueous solution containing acid from the plant, called raffinate, to the leach pads. As this acidic solution passes through the heaped material, it extracts copper in the form of copper ions in the PLS.
The PLS is delivered to the SX/EW plant via collection ditches, ponds, and pumping systems. The process takes PLS and extracts the copper ions in extraction mixer-settlers. The copper is extracted via a liquid ion-exchange reagent carried in diluent. A chemical reaction selectively causes the copper to transfer from the PLS to the organic phase. The barren raffinate leaving the SX plant is pumped to the leach pads to extract additional copper from the stacked ore. The loaded organic phase is separated and flows to a strip mixer-settler where the copper is transferred from the organic to the electrolyte that is circulated to the EW plant.
The electrolyte is filtered and heated before being passed through the EW cells where the copper is plated on copper starter sheets. Once an adequate amount of copper has plated out of solution as cathodes, these are removed from the cells, washed, and the copper sheets are mechanically harvested. Figure 14.2 illustrates the hydrometallurgical copper transfer cycle.
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Figure 14.2 – Hydrometallurgical Transfer Process
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A diagram illustrating the Cerro Verde mine’s hydrometallurgical process is shown in Figure 14.3. The SX plant processes between 2,500 to 4,800 cubic meters per hour of PLS flow and the EW tank house cathode production capacity is approximately 200 million pounds per year.
Figure 14.3 – Hydrometallurgical Process Diagram
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Hydrometallurgical recoveries are tracked from the leach stockpiles through to the production of copper cathode. Items that can affect the rate of recovery through the stockpiles include but are not limited to: application rate and method, particle size, leach
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cycle as days under leach, acid addition and consumption, solution chemistry, ore type and mineralization, pyrite content, stacking methodology, and stacking height.
Recoveries are tracked over multiple years. Additionally, performance is reviewed periodically through FCX corporate audits to monitor that recoveries are on track to being achieved and continue to be appropriate.
14.2Concentrator Processing Description
Primary and certain secondary sulfide ores are processed in the concentrators, which produce copper and molybdenum concentrates. The C1 concentrator facility is located north of the CV and SR open-pits. The C2 concentrator facility is located south of the CV and SR open-pits. The ore is processed using the same technology for both concentrators. C1 and C2 concentrators include multi-stage crushing, ball mill grinding, and flotation separation circuits.
The C1 crushing circuit equipment consists of 1 primary gyratory crusher, 4 secondary cone crushers in closed circuit with 4 dry vibrating screens, and 4 HPGR tertiary crushers in closed circuit with 8 wet vibrating screens. The grinding circuit consists of 4 parallel lines each fed by 2 of the screens. Each line of grinding comprises of 1 ball mill, 1 cyclone feed pump, and 1 cyclone cluster. Ground ore is processed in 4 parallel trains of conventional tank cells making up the rougher/scavenger flotation circuit.
The C2 crushing circuit equipment consists of 2 primary gyratory crushers, 8 secondary cone crushers in closed circuit with 8 dry vibrating screens, and 8 HPGR tertiary crushers in closed circuit with 12 wet vibrating screens. The grinding circuit consists of 6 parallel lines each fed by 2 of the screens. Each line of grinding comprises 1 ball mill, 1 cyclone feed pump, and 1 cyclone cluster. Ground ore is processed in 6 parallel trains of conventional tank cells making up the rougher/scavenger flotation circuit.
For each concentrator the rougher and scavenger concentrates are reground and cleaned in two stages of column cells and tank cells. Each concentrator also has a re-cleaner circuit designed to increase recovery of molybdenum. Flotation concentrate reports to the molybdenum plant for separation of the copper and molybdenum sulfide minerals. The concentrate produced in the plant is the molybdenum concentrate, and the tailings from the plant is the final copper concentrate. Figure 14.4 provides a simplified process flow diagram of the mill.
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Figure 14.4 – Mill Process Diagram
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The processing facility performance is reviewed regularly, and adjustments are made as necessary to improve performance and reduce costs.
14.3Processing Requirements
Adequate supplies for energy, water, process materials, and sufficient personnel are currently available to maintain operations and are anticipated throughout the LOM plan. Process materials are provided to site on an as-needed basis through the FCX and the Cerro Verde mine global supply chain departments. The actual consumption of key processing supplies varies depending on ore feed and operating conditions in the plants. Table 14.1 includes the typical ranges of consumption for key processing requirements.
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Table 14.1 – Processing Facilities Consumables
ParameterTypical Range
Concentrator Energy (kWh per metric ton ore)20 to 25
Hydrometallurgical Energy (kWh per pound of copper)1.0 to 2.0
Mill Makeup Water (cubic meter of water per metric ton ore)0.3 to 0.4
Hydrometallurgical Makeup Water (liters per second)40 to 140
Process Materials
Liners and Wear Parts (kg steel per metric ton ore)0.1 to 0.2
Balls (kg steel per metric ton ore)0.5 to 0.7
Primary Collector (g collector per kg copper)3 to 7
Lime (kg lime per metric ton ore)
1 to 3
Acid (kg acid per metric ton ore)
2 to 11
Consumable and personnel requirements for the processing facilities are expected to be near current levels in the near-term with variation dependent on production levels in the various unit operations. As of December 31, 2021, the concentrating operations have 1,121 employees and the hydrometallurgical operations have 276 employees. Contractors are available as needed.
15SITE INFRASTRUCTURE
The site infrastructure at the Cerro Verde mine has been established over the history of the project and supports the current operations. The current major mine infrastructure includes waste rock storage facilities, ROM leach pads, crushed leach pads and stacking systems, temporary stockpiles, TSFs, power and electrical systems, water usage systems, various on-site warehouses and maintenance shops including large-scale mine truck shops, and offices required for administration, engineering, maintenance, and other related mine and processing operations. The communication system at site includes internet and telephone access connected by hard-wire, fiberoptic, and mobile networks. Access to the property is discussed further in Section 4 of this TRS. The site infrastructure is shown in Figure 15.1.
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Figure 15.1 – Site Infrastructure Map
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15.1Waste Rock Storage Facilities
The Cerro Verde mine LOM plan considers placing mined waste material in the waste rock storage facilities. There is sufficient capacity to handle the waste deliveries as scheduled in the LOM plan.
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15.2Leach Pads and Stockpiles
The Cerro Verde mine utilizes stockpiles including ROM and crushed leach pads. Mined material is routed directly to the ROM leach pad whereas the crushed leach pad receives mined material that has been reduced in size through a primary crushing stage. The LOM plan includes leach placements concluding in 2043 with the leach pads continuing to be leached through 2047 when the SX/EW plant is expected to conclude operations. Additional leach pad stockpile capacity is required in the LOM plan. A placeholder of estimated costs for the additional capacity is included in the financial analysis.
The mine also has temporary mill stockpiles. Mined material is directed to these stockpiles to be rehandled and processed through the concentrators later in the LOM plan. The mill stockpiles have sufficient capacity for the planned deliveries in the LOM plan.
Leach pads, stockpiles, and waste rock storage facilities are surveyed regularly, and daily production records are used to track the mine deliveries.
15.3Tailings Storage Facilities
There are two TSFs at the Cerro Verde mine: the Enlozada and Linga dams. The Enlozada dam receives flotation tailings from the C1 concentrator while Linga receives tailings from C2. The flotation tailings are thickened and pumped to the TSFs where they are deposited, and water is recycled back to the mill.
The TSFs, as currently designed, lack sufficient storage capacity for the entire planned mineral reserves estimate in the LOM plan. Options to increase capacity have been identified in potential raises to the currently designed TSFs and alternate locations for an additional TSF. Having been through the permitting processes previously and given the current capacity is sufficient until 2035 at planned rates, FCX and the Cerro Verde mine anticipate having sufficient tailings storage available as required in the LOM plan. A placeholder of estimated costs for the additional capacity is included in the LOM plan financial analysis.
15.4Power and Electrical
The Cerro Verde mine’s electrical power is sourced under long-term contracts with, ElectroPeru and Engie Energia Peru S.A. Two 220 kV and one 138 kV transmission lines from Socabaya substation and two 220 kV transmission lines from San Jose substation supply the main power feed to the property.
15.5Water Usage
The Cerro Verde mine’s water is supplied by a combination of sources. Water from the Río Chili river is treated to remove solids but is not suitable for human consumption. The water feeding the concentrators passes through water treatment plants (the local Peruvian Degremont plant or the on-site WWTP). A small portion of the fresh water supply is treated for domestic use in washrooms, change-house facilities, and emergency wash stations. The treatment plants are skid-mounted, self-contained units using reverse osmosis technology to produce domestic water. Drinking water is provided as bottled water. A portion of the fresh water pumped from the Río Chili river discharges
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into the fresh/firewater tanks. Processing facilities operate using a combination of fresh, treated, and reclaimed water from the in-pit dewatering system and existing TSFs.
15.6Product Handling
The copper concentrate is delivered to the Port of Matarani, approximately 100 kilometers southwest of the mine site, in sealed containers using a fleet of dedicated truck-trailer road vehicles connecting with railway haulage. The molybdenum concentrate is shipped by truck to either the port of Callao or Matarani in tote bags. At the port, the copper concentrates are loaded onto ocean vessels where it is sold to metal smelting companies in Asia and Europe. Perurail manages the transport of the copper concentrates while the port facilities are operated by Terminal Internacional del Sur. The existing concentrate storage facility at Matarani is adequate to handle the concentrate volumes from Cerro Verde and the other operating mines utilizing the facilities. Copper cathode produced from the leaching operations is sold directly to customers in Peru and Europe.
15.7Logistics, Supplies, and Site Administration
The operation has common management and services, as well as a logistics network that includes warehouses, vehicles, and personnel required to distribute and store the large quantity of supplies used by the operation and its workforce. Bus service is provided to the mine and workplaces. Warehouses are maintained at various locations throughout the site.
Supporting infrastructure in Arequipa has been built, improved, and expanded over the life of the project including administration offices, training, recreational, and health service facilities.
16MARKET STUDIES
The Cerro Verde mine produces copper concentrate and cathode products, with silver in the concentrate. A molybdenum concentrate is also produced.
16.1Market for Mine Products
Copper is an internationally traded commodity, and its prices are determined by the major metal exchanges. Prices on these exchanges generally reflect the worldwide balance of copper supply and demand and can be volatile and cyclical. In general, demand for copper reflects the rate of underlying world economic growth, particularly in industrial production and construction. FCX believes copper will continue to be essential in these basic uses as well as contribute significantly to new technologies for clean energy, to advance communications, and to enhance public health.
Molybdenum is a key alloying element in steel and the raw material for several chemical-grade products used in catalysts, lubrication, smoke suppression, corrosion inhibition, and pigmentation. Molybdenum, as a high-purity metal, is also used in electronics such as flat-panel displays and in super alloys used in aerospace. Reference prices for molybdenum are available in several publications including Metals Week, CRU Report, and Metal Bulletin.
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FCX owns smelting, refining, and product conversion facilities for copper and molybdenum products, operated as separate business segments. Sales between FCX’s business segments are based on terms similar to arms-length transactions with third-parties at the time of the sale.
The Cerro Verde mine sells its copper concentrates at market rates to major copper smelters worldwide, as well as to major trading companies. The copper cathode production is sold to third-party consumers domestically and merchant traders worldwide.
The mine’s molybdenum concentrate is processed through FCX’s wholly owned roaster operations at Ft. Madison in Iowa, Sierrita mine in Arizona, and at Rotterdam in the Netherlands, and a portion through the concentrate leach process at FCX’s Bagdad mine in Arizona. The resultant molybdenum products from the Rotterdam plant supply the chemical and steel industries in Europe while the material from the U.S. plants supply the industries in the U.S. and Asia. Climax Molybdenum Company, FCX’s wholly owned subsidiary, administers the molybdenum business segment.
Most of the copper and molybdenum products resulting from the Cerro Verde mine are sold to customers with whom FCX has built and maintained long-term relationships. The majority of the sales agreements are negotiated annually and are relatively standardized. The underlying copper price is determined by, and fluctuates with, the commodity exchange price while the treatment and refining charges and premiums are negotiated annually based on market conditions. The underlying molybdenum price is determined by published Platts Metals Week index reference pricing, which is determined by globally reported spot transaction reporting.
16.2Commodity Prices Forecast and Contracts
Long-term metal price projections for reserve estimation are:
$2.50 per pound copper.
$10 per pound molybdenum.
$15 per ounce silver.
All contracts currently necessary for supplies and services to maintain the Cerro Verde mine’s facilities and production are in place and are renewed or replaced within timeframes and conditions of common industry practices.
FCX and the QPs believe that the marketing and metal price assumptions for metal products are suitable to support the financial analysis of the mineral reserve evaluation. Further information regarding the sale and marketing of the mine’s metal products are discussed in FCX’s Annual Report on Form 10-K for the year ended December 31, 2021.
17ENVIRONMENTAL STUDIES, PERMITTING, AND SOCIAL IMPACT
The Cerro Verde mine adheres to FCX’s environmental and sustainability programs, including policies and management systems regarding environmental, permitting, and community issues. Cerro Verde has implemented an Environmental Management System that is certified to the internationally recognized ISO-14001:2015 standard. FCX’s programs are based on policies and systems that align with the International Council on Mining and Metals Sustainable Development Framework and the Copper
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Mark. FCX routinely evaluates implementation of these policies through internal and external independent assessments and publicly reports on its performance.
Further discussion regarding environmental, permitting, and social or community impacts is available in the latest FCX Annual Report on Sustainability.
17.1Environmental Considerations
Environmental monitoring is ongoing at the Cerro Verde mine and will continue over the life of the operations and beyond through closure. The Cerro Verde mine has received multiple ESIS regulatory approvals from the local and national agencies for the construction, operation, and closure of the mine. Many of these regulatory approvals had public participation components. Several of these authorizations required that the Cerro Verde mine conduct environmental and social baselines and impact studies for environmental resources including but not limited to, air quality, surface and groundwater quality, landscape, soil, climate, traffic, biodiversity, and cultural resources. The Cerro Verde mine continues to monitor these baselines and impact studies regularly at compliance points and report to required agencies.
In December 2012, the MINEM approved the initial ESIS of the CVPUE. The first modification of the CVPUE ESIS was approved by the authorities in 2016. In 2018, as a result of the average capacity increase of the C2 concentrator, SMCV obtained approval of the Beneficiation Plant for processing 548,500 metric tons of ore per day. SMCV submitted an updated ESIS to the National Environmental Certification Service for Sustainable Investments (SENACE), the Peruvian environmental regulatory agency, in October 2021.
17.2Permitting
FCX and the Cerro Verde mine staff believe that all major permits and approvals are in place to support operations at the Cerro Verde mine, however additional permits will likely be necessary in the future. Where permits have specific terms, renewal applications are made to the relevant regulatory authority as required, prior to the end of the permit term.
Any major mining project in Peru requires preparation of an ESIS, including the construction, operation, and closure stages, completed by a third-party consultant, which is submitted to the regulatory agency. An update to the ESIS is required 5 years after its approval. After the ESIS is approved, a comprehensive closure plan including closure cost estimates and financial guarantee schedule is submitted for approval to meet the applicable Peruvian laws and regulations.
Based on the LOM plan, additional permits will be necessary in the future for continued operation of the Cerro Verde mine, including a modification of the ESIS and obtaining approval for modified leach pad configurations, increased tailings storage capacity and corresponding water supply. The Cerro Verde mine will need to submit the Second Modification of the ESIS prior to reaching current tailings storage capacity, which is sufficient until 2035 at planned rates in the LOM plan. Closure strategies will be developed for these proposed facilities as part of the permitting process.
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17.3Waste and Tailings Storage, Monitoring, and Water Management
The Cerro Verde mine has developed and continues to implement detailed, comprehensive mine waste and tailings management programs to meet the applicable Peruvian waste regulations and FCX environmental management practices. These programs incorporate commitments included in the ESIS and the Engineer of Record designs, for the specific cases of TSFs and certain leach pad stockpiles. The site also follows FCX’s tailings management and stewardship program.
17.4Mine Closure Plans
MINEM of Peru governs facility closure under the country’s Mine Closure Law and requires preparation of a closure and post closure plan, including development of cost estimates and financial assurance for permitted facilities such as TSFs, leach pad stockpiles, and other mine facilities. The Cerro Verde mine closure strategy and mine reclamation plan, developed by third-parties, considers long-term physical and chemical stability and implementation of feasible post mining land uses for the site following the end of mine operations. The closure strategy and reclamation plan details tasks to be performed at closure and the post-closure phase of the mine’s life cycle. The Closure Law requires updates to the closure plan and cost estimates every 5 years and are submitted for approval to the Peruvian regulatory authorities. The latest closure plan and cost estimate for the CVPUE were submitted to the Peru regulatory authorities in 2017 and approved in February 2018. The next update is planned to be submitted in mid-2022 with expected approval in 2023.
The closure strategy incorporates various approaches including, but not limited to, removal and reclamation of process water impoundments, in-place closure of TSFs and leach pad stockpiles, demolition of processing facilities, and post closure monitoring and maintenance of closed facilities and points of compliance wells. Closure of TSFs includes regrading tailings and installing cover systems that manage water through evaporation. Water management systems are intended to stabilize closed facilities, minimize erosion, and protect water resources.
The total closure cost estimate in the LOM plan is approximately $0.5 billion based on a cash flow schedule for the implementation of closure and post closure tasks. The Cerro Verde mine has complied with the annual renewal of the financial guarantees corresponding to the closure plan.
17.5Local Stakeholder Considerations and Agreements
As part of the ongoing permitting and compliance obligations with the regional and national agency authorizations and as part of the mine’s commitment to local stakeholder engagement, the Cerro Verde mine is dedicated to local community and social matters. The Cerro Verde mine seeks to conduct its activities in a transparent manner that promotes proactive and open relationships with the local community, government, and other stakeholders to maximize the positive impacts of its operations and mitigate potential adverse impacts throughout the LOM plan.
The Cerro Verde ESIS includes information on community and social matters, such as a social baseline, potential impacts to communities within the direct area of influence, and community development projects that will be implemented based on feedback received from external stakeholders.
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The Cerro Verde mine seeks to provide opportunities to support economic development by purchasing local goods and services, according to its requirements and technical specifications.
Based in the objectives pursued in the strategic development program proposed in the CVPUE ESIS, the Cerro Verde mine complies with regional and local hiring requirements. The mine operates in Arequipa province with a large portion of mine employees from the local and regional labor force. Most of the workforce at the Cerro Verde mine is from Peru.
17.6Comment on Environmental Compliance, Permitting, and Local Engagement
In the QP’s opinion, the Cerro Verde mine has adequate plans and programs in place, is in good standing with Peruvian environmental regulatory authorities, and no current conditions represent a material risk to continued operations. The Cerro Verde mine staff have a high level of understanding of the requirements of environmental compliance, permitting, and local stakeholders in order to facilitate the development of the mineral reserve and mineral resource estimates. The periodic inspections by governmental agencies, FCX corporate staff, third-party reviews, and regular reporting confirm this understanding.
18CAPITAL AND OPERATING COSTS
The capital and operating costs are estimated by the property’s operations, engineering, management, and accounting personnel in consultation with FCX corporate staff, as appropriate. The cost estimates are applicable to the planned production, mine schedule, and equipment requirements for the LOM plan. The capital costs are summarized in Table 18.1.
Table 18.1 – Sustaining Capital Costs
$ billions
Mine
$1.5 
Concentrator
0.9 
Supporting Infrastructure and Environmental
2.5 
Total Capital Expenditures$4.9 
Estimates are derived from current costs and adjusted to the reserve price environment. The estimates are not adjusted for escalation or exchange rate fluctuations. Actual realized costs are reviewed periodically, and estimates are refined as required.
Capital costs are primarily sustaining projects consisting of mine equipment replacements and planned site infrastructure projects, most notably to increase TSF and leach pad capacities over the production of the scheduled reserves. Capital cost estimates are derived from current capital costs based on extensive experience gained from many years of operating the property and do not include inflation. FCX and the Cerro Verde mine staff review actual costs periodically and refine cost estimates as appropriate.
The operating costs for the LOM plan are summarized in Table 18.2.
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Table 18.2 – Operating Costs

$ billions
Mine
$18.9 
Processing
21.7 
Balance
3.2 
Total site cash operating costs43.8 
Freight
4.0 
Treatment charges
7.9 
Peruvian mining royalty tax
0.4 
By-product credits
(7.4)
Total net cash costs$48.7 
Unit net cash cost ($ per pound of copper)$1.75 
Estimates are derived from current costs and adjusted to the reserve price environment. The estimates are not adjusted for escalation or exchange rate fluctuations. Actual realized costs are reviewed periodically, and estimates are refined as required.
The operating cost estimates are derived from current operating costs and practices based on extensive experience gained from many years of operating the property and do not include inflation. The operating cost estimates reflect certain pricing assumptions, primarily for energy and foreign exchange rates, that are reflective of the copper market environment ($2.50 per pound copper price) at which the reserve plan has been prepared. As the property has a long operating history, FCX believes that the accuracy of the cost estimates is better than the minimum of approximately +/- 25 percent required for a pre-feasibility study level of mineral reserves as per S-K1300, and the level of risk in the cost forecasting is low. FCX and the Cerro Verde mine staff review actual costs periodically and refine cost estimates as appropriate.
The LOM plan summary in this TRS is developed to support the economic viability of the mineral reserves. The latest guidance regarding updated operational forecast cost estimates are available in FCX’s Annual Report on Form 10-K for the year ended December 31, 2021, filed with the SEC.
19ECONOMIC ANALYSIS
The LOM plan includes comprehensive operational drivers (mine and corresponding processing plans, metal production schedules and corresponding equipment plans) and financial estimates (revenues, capital costs, operating costs, downstream processing, freight, taxes and royalties, etc.) to produce the reserves over the life of the property. The LOM plan is an operational and financial model that also forecasts annual cash flows of the production schedule of the reserves for the life of the property under the assumed pricing and cost assumptions. The LOM plan is used for economic analyses, sensitivity testing, and mine development evaluations.
The financial forecast incorporates revenues and operating costs for all produced metals, processing streams, and overall site management for the life of the property. The economic analysis summary in Table 19.1 includes the material drivers of the economic value for the property and includes the net present value (NPV) of the unleveraged after-tax free cash flows as the key metric for the economic value of the property’s reserve
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plan under these pricing and cost assumptions. This analysis does not include economic measures such as internal rate of return or payback period for capital since these measures are not applicable (and are not calculable) for an on-going operation that does not have a significant upfront capital investment to be recovered.
Table 19.1 – Economic Analysis
Metal Prices
Copper ($ per pound)
$2.50 
Silver ($ per ounce)
$15 
Molybdenum ($ per pound)
$10 
Life of Mine Plan
Copper (billion pounds)
27.9 
Silver (million ounces)
109.6 
Molybdenum (billion pounds)
0.7 
Ore (billion metric tons)
4.1 
Copper grade (%)
0.36 
Copper metallurgical recovery (%)
88.4 
Capital costs ($ billions)
$4.9 
Site cash operating costs ($ billions)
$43.8 
Unit net cash cost ($ per pound of copper)
$1.75 
Economic Assumptions and Metrics
Discount Rate (%)
Peruvian Mining Taxes (% of operating income)
7.0(a)
Corporate Tax Rate (%)
32(b)
Exchange rate (Peruvian Nuevo Sol/$)
3.20 
Net present value @ 8% ($ billions)
$4.5 
Internal rate of return (%)
NA(c)
Payback (years)
NA(c)
(a)Peruvian mining taxes include Peruvian mining royalty tax and special mining tax.
(b)Tax rate reduced to 29.5% after 2028, when the tax stability agreement expires.
(c)Not Applicable (NA) as the property is an on-going operation with no significant negative initial cashflow/initial investment to be recovered.
The key drivers of the economic value of the property include the copper market price, copper grades and recoveries, and costs. Depending on the changes in these key drivers, FCX can adjust operating plans (in the near-term as well as the long-term, as appropriate) to minimize negative impacts to the overall economic value of the property.
Table 19.2 summarizes the economic impact of changes to these key drivers on the property’s NPV (as included in Table 19.1). The sensitivities are estimates for the changes in each key drivers’ effect on the base plan summarized for the production of the mineral reserves over the life of the property.
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Table 19.2 – Sensitivity Analysis
Incremental Impact to NPV
Sensitivity Analysis ($ billions)
+ 5% Change- 5% Change
Copper price$0.86$(0.86)
Copper grade/recovery0.73(0.73)
Capital cost(0.11)0.11
Operating cost(0.56)0.57
Discount rate(0.15)0.17
Sensitivity analysis does not reflect changes in mine plans or costs with changes in above items.
The after-tax NPV of the LOM plan is most sensitive to copper price, followed by grades and recovery, and then operating costs. The sensitivity analysis does not reflect changes in mine plans or costs with changes in the reported driver. Sustained periods in these economic scenarios would warrant a re-evaluation of the LOM plan assumptions, planned development, and reported mineral reserves.
Table 19.3 summarizes the LOM plan including the annual metal production volumes, mine plan schedule, capital and operating cost estimates, unit net cash costs, and unleveraged after-tax free cash flows over the life of the property. Free cash flow is the operating cash flow less the capital costs and is a key metric to demonstrate the cash that the property is projected to generate from its operations after capital investments for the reserve production plan at assumed pricing and cost assumptions. The property’s ability to create value from the reserves is determined by its ability to generate positive free cash flow. The summary demonstrates the favorable free cash flow generated from the property’s LOM plan under the assumptions. This economic analysis supports the economic viability of the mineral reserves statement.
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Table 19.3 – LOM Plan Summary
2022-20262027-20312032-20412042-2052
Metal Prices
Copper ($ per pound)
$2.50 $2.50 $2.50 $2.50 
Silver ($ per ounce)
$15 $15 $15 $15 
Molybdenum ($ per pound)
$10 $10 $10 $10 

Annual Averages
Copper (billion pounds/year)
0.99 0.99 0.96 0.76 
Silver (million ounces/year)
3.6 3.9 3.8 3.0 
Molybdenum (million pounds/year)
24 23 26 19 

Ore processed (billion metric tons/year)
0.16 0.16 0.14 0.10 
Copper grade (%)
0.34 0.33 0.37 0.40 
Copper metallurgical recovery (%)
83.8 88.2 89.7 89.9 

Capital costs ($ billions/year)
$0.20 $0.23 $0.23 $0.04 
Site cash operating costs ($ billions/year)
$1.62 $1.69 $1.57 $1.05 
Unit net cash cost ($ per pound)
$1.81 $1.89 $1.81 $1.59 
Free cash flow ($ billions/year)
$0.41 $0.30 $0.31 $0.48 
Summary of annual cash flow forecast based on annual production schedule for the life of the property.
20ADJACENT PROPERTIES
As of December 31, 2021, there are no adjacent properties impacting the Cerro Verde mine mineral reserve or mineral resource estimates.
21OTHER RELEVANT DATA AND INFORMATION
Recent news articles regarding the intended policies of the newly elected government of Peru as of December 2021 have identified the mining industry as a potential area for review for increased participation of state revenues potentially through increased taxes, royalties, or other such programs. The mineral reserve and resource estimates in this TRS use the assumptions as previously stated; however, increased taxation would have a direct impact on the cash flows of the property. Any enacted legislation would be incorporated into future mineral reserve and resource estimates.
In the opinion of the QPs, there is no additional information necessary for the mineral reserve and mineral resource estimates in this TRS. Further discussion regarding operational risks, health and safety programs, and other business aspects of the mine are available in FCX’s Annual Report on Form 10-K for the year ended December 31, 2021.
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22INTERPRETATION AND CONCLUSIONS
Estimates of mineral reserves and mineral resources are prepared by and are the responsibility of FCX employees. All relevant geologic, engineering, economic, metallurgical, and other data is prepared according to FCX developed procedures and guidelines based on accepted industry practices. FCX maintains a process of verifying and documenting the mineral reserve and mineral resource estimates, information for which are located at the mine site and FCX corporate offices. FCX conducts ongoing studies of its ore bodies to optimize economic value and to manage risk.
FCX and the QPs believe that the geologic interpretation and modeling of exploration data, economic analysis, mine design and sequencing, process scheduling, and operating and capital cost estimation have been developed using accepted industry practices and that the stated mineral reserves and mineral resources comply with SEC regulations. Periodic reviews by third-party consultants confirm these conclusions.
The Cerro Verde mine is a large-scale producing mining property that has been operated by FCX and its predecessors for many years. Mineral reserve and mineral resource estimates consider technical, economic, environmental, and regulatory parameters containing inherent risks. Changes in grade and/or metal recovery estimation, realized metal prices, and operating and capital costs have a direct relationship to the cash flow and profitability of the mine. Other aspects such as changes to environmental or regulatory requirements could alter or restrict the operating performance of the mine. Significant differences from the parameters used in this TRS would justify a re-evaluation of the reported mineral reserve and mineral resource estimates. Mine site administration and FCX dedicate significant resources to managing these risks.
23RECOMMENDATIONS
Although ongoing initiatives in productivity and recovery improvements are underway, the mineral reserves and mineral resources are based on the stated long-term metal prices and corresponding technical and economic performance data.
No recommendations for additional work are identified for the reported mineral reserves and mineral resources as of December 31, 2021.
24REFERENCES
Acosta, H., Alván, A., Oviedo, M., Mamani, M. & Rodriguez, J. (2010). Variaciones Geoquímicas y Ocurrencias Metálicas de las Unidades Magmáticas del Jurásico al Paleogeno en el Sur del Perú: 15th Peruvian Congress of Geology-Cusco 2010, Geological Society of Peru (SGP).
Acosta, J. (2006). Características metalogénicas de los yacimientos asociados a los arcos magmáticos Mesozoicos y Cenozoicos del sur del Perú (Latitudes 16°-18°30´): Instituto Geológico, Minero y Metalúrgico (INGEMMET).
Benavides-Cáceres, V. (1999). Orogenic Evolution of the Peruvian Andes: The Andean Cycle: in B. J. Skinner (Ed.), Geology and Ore Deposits of the Central Andes: Society of Economic Geologists, v. 7, 0.
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Bernal, O., and Velarde, G. (2004), Solutions Management at Cerro Verde: SME Annual Meeting.
Cornejo, P., and Matthews, S. (2001). Evolution of magmatism from the uppermost cretaceous to Oligocene, and its relationship to changing tectonic regime, in the Inca de Oro-El Salvador area (Northern Chile): Paper presented at the South American symposium on isotope geology, Pucon, Chile.
García, W. M. (1968). Geología de los cuadrángulos de Mollendo y La Joya: Servicio de Geología y Minería.
Jacay, J., Sempéré, T., Husson, L., and Pino, A. (2002). Structural characteristics of the Incapuquio fault system, southern Peru: Paper presented at the 5th International Symposium on Andean Geodynamics, Toulouse, France.
Kihien, A. (1975). Alteración y su Relación con la Mineralización en el Pórfido de Cobre de Cerro Verde: Sociedad Geológica del Perú, 46.
Martignole, J., and Martelat, J. E. (2003). Regional-scale Grenvillian-age UHT metamorphism in the Mollendo-Camana block (basement of the Peruvian Andes): Journal of Metamorphic Geology, v. 21(1), 99-120.
Pino, A. (2003). Estratigrafía y paleogeografía del intervalo Paleozoico superior-Cretáceo inferior en el extremo sur del Perú (area Mal Paso-Palca): (Tesis pregrado), Universidad Nacional Jorge Basadre Grohmann, Tacna, Perú.
Pino, A., Sempéré, T., Jacay, J., and Fornari, M. (2004). Estratigrafia, paleogeografia y paleotectonica del intervalo Paleozoico superior-Cretaceo inferior en el area de Mal Paso-Palca (Tacna): in J. Jacay and T. Sempéré (Eds.): Nuevas contribuciones del IRD y sus contrapartes al conocimiento geologico del sur del Peru: SGP; IRD, v. 5, 15-44.
Sempéré, T., Carlier, G., Soler, P., Fornari, M., Carlotto, V., Jacay, J., Jiménez, N. (2002). Late Permian-Middle Jurassic lithospheric thinning in Peru and Bolivia, and its bearing on Andean-age tectonics: Tectonophysics, v. 345(1), 153-181.
Sillitoe, R. H., McKee, E. H., and Vila, T. (1991). Reconnaissance K-Ar geochronology of the Maricunga gold-silver belt, northern Chile: Economic Geology, v. 86(6), 1261-1270.
Stegen, R. J., Barton, M. D., and Waegli, J. A. (2018). Cerro Verde-Santa Rosa copper-molybdenum deposits, Peru: Magmatic, hydrothermal, and supergene characteristics of two adjacent porphyry systems: in A. M. Arribas and J. L. Mauk (Eds.), Metals, Minerals, and Society: Society of Economic Geologists, v. 21, 293-320.
Vicente, J. C. (1990). Early Late Cretaceous overthrusting in the western Cordillera of southern Perú: in G. E. Ericksen, M. t. Canas Pinochet, and J. A. Reinemund (Eds.), Geology of the Andes and its relation to hydrocarbon and mineral resources: Circum Pacific Council, v. 11, 91-118.
Wasteneys, H. A., Clark, A. H., Farrar, E., and Langridge, R. J. (1995). Grenvillian granulite-facies metamorphism in the Arequipa Massif, Peru: A Laurentia-Gondwana link: Earth and Planetary Science Letters, v. 132(1), 63-73.
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Zappettini, E., Miranda-Angles, V., Rodríguez, C., Palacios, O., Cocking, R., Godeas, M., Rubiolo, D. (2001). Mapa metalogenético de la región fronteriza entre Argentina, Chile, Bolivia y Perú (14ºS y 28ºS): Instituto Geológico Minero y Metalúrgico (INGEMMET).
25RELIANCE ON INFORMATION PROVIDED BY THE REGISTRANT
FCX is experienced in managing the challenges and requirements of operating at local, regional, national, and international levels to support requirements for successfully mining metals throughout the world, using functioning divisions, departments, and teams, organized at mine sites and at the corporate level, that are tasked with meeting and supporting FCX business and operations requirements. These closely integrated departments are focused on subjects that may be peripheral to the direct production of salable metals but are essential to meeting all business requirements for FCX and to navigating the many aspects of modern mining.
As an illustrative example of the FCX organization, within the Corporate Support and Marketing division, there are departments of Finance and Accounting, Financial Reporting, Taxes, General Counsel, Communications, and Business Development groups. Other corporate teams are similarly organized to provide additional broad services. These departments support and integrate with the operating divisions providing requirements and information. A mine site, as part of the operating divisions, will be organized into its own management teams including Mine Management, Operations, Maintenance and Construction, Processing Management, Finance and Accounting, Social Responsibility and Community Development, Environmental, Regional Supply Chain, and Human Resources. These staffed teams are organized to provide responses to the many mining requirements, and they are expert in conducting their specific duties. They represent reliable sources for information and as such, they have been consulted to prepare, support, and characterize the information in this TRS.
Specific to the preparation of this TRS, FCX departments have provided the following categories of information:
Macro-economic trends, data, interest rates, and assumptions.
Marketing information.
Legal matters outside of QP expertise.
Environmental matters outside of QP expertise.
Accommodations through community development to local groups.
Governmental factors outside of QP expertise.
The QPs prepared Sections 3, 4, 5, 15, 16, 17, 18, 19, 20, and 21 of this TRS in reliance on the information provided by FCX above.
As explained, FCX corporate and mine site divisions that provided information for this TRS are business-directed areas that must produce reliable information in support of FCX business objectives. This organizational form contributes to producing expected results for FCX and provides appropriate information supporting mineral reserves and mineral resource estimates.
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26GLOSSARY – UNITS OF MEASURE AND ABBREVIATIONS
UnitUnit of Measure
#number
$U.S. Dollar
%percent
dmtdry metric ton
ggram
kgkilogram
kmkilometer
kVkilovolt
kWhkilowatt-hour
lbU.S. pound
mmeter
Mmillion
Mamillion years (annum)
oztroy ounce
wmtwet metric ton
AbbreviationDescription
AASAtomic Absorption Spectroscopy
ASCuAcid-Soluble Copper
BWIBond Work Index
CNCerro Negro deposit
CNCuCyanide-Soluble Copper
CVCerro Verde deposit
CVPUCerro Verde Production Unit
CVPUECVPU Expansion
EqCuEquivalent Copper Grade
ESISEnvironmental and Social Impact Studies
EWElectrowinning
FCXFreeport-McMoRan Inc. and its consolidated subsidiaries
GPSGlobal Positioning System
HPGRHigh-Pressure Grinding Roll
IDWInverse Distance Weighting
Ing. Geol.Geological Engineer (Peru)
LOMLife-of-Mine
MINEMMinistry of Energy and Mines (Peru)
NANot Applicable
NNNearest Neighbor
NPVNet Present Value
OKOrdinary Kriging
P.Eng.Professional Engineer (Canada)
P.Geo.Professional Geologist
PDCPhelps Dodge Corporation
PLSPregnant Leach Solution
QA/QCQuality Assurance and Quality Control
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QEMScanQuantitative Evaluation of Minerals by scanning electron microscopy
QLTQuick Leach Test, ferric sulfate-soluble copper assay
QPQualified Person
RCReverse Circulation
RM-SMERegistered Member of the Society of Mining, Metallurgy and Exploration (U.S.)
ROMRun of Mine
RQDRock Quality Designation
SECSecurities and Exchange Commission (U.S.)
SEDAPARWater and Sewage Service Company of Arequipa
SGSpecific Gravity
SGSSGS Group laboratories (Peru)
S-K1300Subpart 1300 of SEC Regulation S-K
SMCVSociedad Minera Cerro Verde S.A.A.
SRSanta Rosa deposit
SXSolution Extraction
SX/EWSolution Extraction and Electrowinning
TAsTotal Arsenic
TCTFCX’s Technology Center facilities in Tucson, Arizona
TCuTotal Copper
TFeTotal Iron
TMoTotal Molybdenum
TRSTechnical Report Summary
TSFTailings Storage Facility
U.S.United States
WIPWork-In-Process
WWTPWastewater Treatment Plant
XRDX-ray Diffraction
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Exhibit 96.2

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Technical Report Summary of
Mineral Reserves and Mineral Resources
for
Grasberg Minerals District
Papua, Indonesia
Effective Date:December 31, 2021
Report Date:January 31, 2022



IMPORTANT NOTE
This Technical Report Summary (TRS) has been prepared for Freeport-McMoRan Inc. (FCX) in support of the disclosure and filing requirements of the United States (U.S.) Securities and Exchange Commission (SEC) under Subpart 1300 of Regulation S-K. The quality of information, conclusions, and estimates contained herein apply as of the date of this TRS. Events (including changes to the assumptions, conditions, and/or qualifications outlined in this TRS) may have occurred since the date of this TRS, which may substantially alter the conclusions and opinions herein. Any use of this TRS by a third-party beyond its intended use is at that party’s sole risk.
CAUTIONARY STATEMENT
This TRS contains forward-looking statements in which potential future performance is discussed. The words “anticipates,” “may,” “can,” “plans,” “believes,” “estimates,” “expects,” “projects,” “targets,” “intends,” “likely,” “will,” “should,” “could,” “to be,” “potential,” “assumptions,” “guidance,” “aspirations,” “future,” and any similar expressions are intended to identify those assertions as forward-looking statements. Forward-looking statements are all statements other than statements of historical facts, such as plans, projections, forecasts, or expectations relating to business outlook, strategy, goals, or targets; ore grades and processing rates; production and sales volumes; unit net cash costs; net present values; economic assessments; capital expenditures; operating costs; operating or Life-of-Mine (LOM) plans; cash flows; PT-FI’s financing, construction, and completion of additional domestic smelting capacity in Indonesia in accordance with the terms of its special mining license (IUPK); FCX’s commitments to deliver responsibly produced copper, including plans to implement and validate all of its operating sites under the Copper Mark and to comply with other disclosure frameworks; improvements in operating procedures and technology innovations; potential environmental and social impacts; exploration efforts and results; development and production activities, rates and costs; future organic growth opportunities; tax rates; export quotas and duties; impact of price changes in the commodities FCX produces, primarily copper; mineral resource and mineral reserve estimates and recoveries; and information pertaining to the financial and operating performance and mine life of the Grasberg minerals district mines.
Readers are cautioned that forward-looking statements in this TRS are necessarily based on opinions and estimates of the Qualified Persons (QPs) authoring this TRS, are not guarantees of future performance, and actual results may differ materially from those anticipated, expected, projected, or assumed in the forward-looking statements. Material assumptions regarding forward-looking statements are discussed in this TRS, where applicable. In addition to such assumptions, the forward-looking statements are inherently subject to significant business, economic and competitive uncertainties, and contingencies. Important factors that can cause actual results to differ materially from those anticipated in the forward-looking statements include, but are not limited to, supply of, demand for, and prices of the commodities FCX produces, primarily copper; changes in cash requirements, financial position, financing, or investment plans; changes in general market, economic, tax, regulatory, or industry conditions; reductions in liquidity and access to capital; the ongoing COVID-19 pandemic and any future public health crisis; political and social risks; operational risks inherent in mining, with higher inherent risks in underground mining; availability and increased costs associated with mining inputs and labor; fluctuations in price and availability of commodities purchased, including higher prices for fuel, steel, power, labor, and other consumables contributing to higher costs; constraints on supply, logistics, and transportation services; mine sequencing; changes in mine plans or operational modifications, delays, deferrals, or cancellations; production rates; timing of shipments; results of technical, economic, or feasibility studies; potential inventory adjustments; potential impairment of long-lived mining assets; the potential effects of violence in Indonesia generally and in the province of Papua; the Indonesia government’s extension of PT-FI’s export license after March 15, 2022; satisfaction of requirements in accordance with PT-FI’s IUPK to extend mining rights from 2031 through 2041; the Indonesia government’s approval of a deferred schedule for completion of additional domestic smelting capacity in Indonesia; expected results from improvements in operating procedures and technology, including innovation initiatives; industry risks; financial condition of FCX’s customers, suppliers, vendors, partners, and affiliates; cybersecurity incidents; labor relations, including labor-related work stoppages and costs; compliance with applicable environmental, health and safety laws and regulations; weather- and climate-related risks; environmental risks and litigation results; FCX’s ability to comply with its responsible production commitments under specific frameworks and any changes to such frameworks; and other factors described in more detail under the heading “Risk Factors” contained in Part I, Item 1A. of FCX’s Annual Report on Form 10-K for the year ended December 31, 2021, filed with the SEC.
Investors are cautioned that many of the assumptions upon which the forward-looking statements are based are likely to change after the date the forward-looking statements are made, including for example commodity prices, which FCX cannot control, and production volumes and costs or technological solutions and innovation, some aspects of which FCX may not be able to control. Further, FCX may make changes to its business plans that could affect its results. FCX and the QPs who authored this TRS caution investors that FCX undertakes no obligation to update any forward-looking statements, which speak only as of the date made, notwithstanding any changes in the assumptions, changes in business plans, actual experience, or other changes.
This TRS also contains financial measures such as site cash costs and unit net cash costs per pound of metal and free cash flow, which are not recognized under U.S. generally accepted accounting principles.



Qualified Person Signature Page
Mine:Grasberg minerals district
Effective Date: December 31, 2021
Report Date:January 31, 2022
/s/ Andrew Issel
Andrzej (Andrew) H. Issel, P.Geo., RM-SME
Director Resource Estimation and Reporting- PT-FI
/s/ Tim Casten
Tim Casten, P.E.
Vice President Underground Planning
/s/ Ari Partanen
Ari Partanen, P.E., RM-SME
Vice President Technical Services


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Technical Report Summary for
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Table of Contents
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List of Tables
List of Figures
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1EXECUTIVE SUMMARY
This Technical Report Summary (TRS) is prepared by Qualified Persons (QPs) for Freeport-McMoRan Inc. (FCX), a leading international mining company with headquarters located in Phoenix, Arizona, United States (U.S.). The purpose of this TRS is to report mineral reserve and mineral resource estimates at the Grasberg minerals district using estimation parameters as of December 31, 2021.
1.1Property Description, Current Status, and Ownership
The Grasberg minerals district is a copper, gold, and silver porphyry skarn deposit located in the remote highlands of the Sudirman Mountain Range in the eastern province of Papua, Indonesia, on the western half of the island of New Guinea. The district includes the following operating underground mines: Grasberg Block Cave (GBC), Deep Mill Level Zone (DMLZ), and Big Gossan (BG). The Grasberg minerals district also includes Kucing Liar (KL), which began development in 2021. The Deep Ore Zone (DOZ) ceased production at the end of 2021 and Grasberg open-pit (GRS_OP) in 2019.
The mine operates 365 days per year on a 24 hour per day schedule. Mining and ore processing operations are currently in production and the mineral district is considered a production stage property.
PT Freeport Indonesia (PT-FI) is a limited liability company, organized under the laws of the Republic of Indonesia. PT-FI operates the mines in the Grasberg minerals district. On December 21, 2018, FCX completed the transaction with the Indonesia government regarding PT-FI’s long-term mining rights and share ownership. Following the transaction, FCX has a 48.76 percent share ownership in PT-FI and the remaining 51.24 percent share ownership is collectively held by PT Indonesia Asahan Aluminum (Persero) (PT Inalum, also known as MIND ID), an Indonesia state-owned enterprise, and PT Indonesia Papua Metal Dan Mineral (formerly known as PT Indocopper Investama), which is expected to be owned by PT Inalum and the provincial/regional government in Papua, Indonesia. The arrangements related to the transaction also provide for FCX and the other pre-transaction PT-FI shareholders to initially retain the economics of the revenue and cost sharing arrangements under the former unincorporated joint venture with Rio Tinto plc (Rio Tinto). As a result, FCX's economic interest in PT-FI is expected to approximate 81 percent through 2022 and 48.76 percent thereafter.
Since 1967, PT-FI has been the only operator of exploration and mining activities in the approximately 24,600-acre operating area under a Special Mining Business Permit “Ijin Usaha Pertambangan Khusus” (IUPK). Under the terms of the IUPK, PT-FI has been granted mining rights through 2031, with rights to extend its mining rights through 2041, subject to, among other things, PT-FI’s completion of construction of additional domestic smelting capacity totaling 2 million metric tons of concentrate per year by the end of 2023 (an extension of which has been requested due to COVID-19 mitigation measures subject to the approval of the Indonesia government), and fulfilling its defined fiscal obligations to the Indonesia government.
1.2Geology and Mineralization
The ore bodies are located within and around two main igneous intrusions: the Grasberg monzodiorite and the Ertsberg diorite. The host rocks of these ore bodies include both
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carbonate and clastic rocks that form the ridge crests and upper flanks of the Sudirman Range and the igneous rocks of monzonitic to dioritic composition that intrude them. The igneous-hosted ore bodies (GBC, and portions of the DMLZ) occur as vein stockworks and disseminations of copper sulfides, dominated by chalcopyrite and to a lesser extent bornite. The sedimentary-rock hosted ore bodies (portions of the DMLZ, KL and all of the BG) occur as magnetite-rich, calcium/magnesian skarn replacements, whose location and orientation are strongly influenced by major faults and by the chemistry of the carbonate rocks along the margins of the intrusions.
Grasberg minerals district economic copper, gold, and silver mineralization is hosted in porphyries and skarns. The primary sulfide mineralization is chalcopyrite, with lesser bornite, chalcocite, and covellite. Gold concentrations usually occur as inclusions within the copper sulfide minerals, although in some parts of deposits gold can also be strongly associated with pyrite.
1.3Mineral Reserve Estimate
Mineral reserves are summarized from the Life-of-Mine (LOM) plan, which is the compilation of the relevant modifying factors for establishing an operational, economically viable mine plan.
Mineral reserves have been evaluated considering the modifying factors for conversion of measured and indicated resource classes into proven and probable reserves. Inferred resources are considered as waste in the LOM plan. The details of the relevant modifying factors included in the estimation of mineral reserves are discussed in Sections 10 through 21.
The LOM plan includes the planned production to be extracted from the mine designs.
As a point of reference, the mineral reserve estimate reports the ore inventories from the LOM plan containing copper, gold, and silver metal and reported as commercially recoverable metal.
Table 1.1 summarizes the mineral reserves reported on a 100 percent property ownership basis. The mineral reserve estimate is based on commodity prices of $2.50 per pound copper, $1,200 per ounce gold, and $15 per ounce silver.
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Table 1.1 – Summary of Mineral Reserves
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The mineral reserve estimate has been prepared using industry accepted practice and conforms to the disclosure requirements of the U.S. Securities and Exchange Commission (SEC) under Subpart 1300 of Regulation S-K (S-K1300). Mineral reserve and mineral resource estimates are evaluated annually, providing the opportunity to reassess the assumed conditions. All the technical and economic issues likely to influence the prospect of economic extraction are anticipated to be resolved under the stated assumed conditions.
1.4Mineral Resource Estimate
Mineral resources are evaluated using the application of technical and economic factors to a geologic resource block model to generate digital surfaces of mining limits, using specialized geologic and mine planning computer software. The resulting surfaces volumetrically identify material as potentially economical, using the assumed parameters. Mineral resources are the resultant contained metal inventories.
The mineral resource estimate is the inventory of material identified as having a reasonable likelihood for economic extraction inside the mineral resource economic mining limit, less the mineral reserve volume, as applicable. The modifying factors are applied to measured, indicated, and inferred resource classifications to evaluate commercially recoverable metal. As a point of reference, the in-situ ore containing copper, gold, and silver metal are inventoried and reported by ore body.
The reported mineral resource estimate in Table 1.2 is exclusive of the reported mineral reserve, on a 100 percent property ownership basis. The mineral resource estimate is based on commodity prices of $3.00 per pound copper, $1,200 per ounce gold, and $20 per ounce silver.
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Table 1.2 – Summary of Mineral Resources
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The mineral resource estimate has been prepared using industry accepted practice and conforms to the disclosure requirements of S-K1300. Mineral reserve and mineral resource estimates are evaluated annually providing the opportunity to reassess the assumed conditions. Although all the technical and economic issues likely to influence the prospect of economic extraction of the resource are anticipated to be resolved under the stated assumed conditions, no assurance can be given that the estimated mineral resource will become proven and probable mineral reserves.
1.5Capital and Operating Cost Estimates
The capital and operating costs are estimated by the property’s operations, engineering, management, and accounting personnel in consultation with FCX corporate staff, as appropriate. The cost estimates are applicable to the planned production, mine schedule, and equipment requirements for the LOM plan. The capital costs are summarized in Table 1.3.
Table 1.3 – Capital Costs
$ billions
Mine$7.5
Concentrator3.9
Supporting Infrastructure2.3
Total Capital Expenditures$13.7
Capital costs include development and sustaining projects for the production of the scheduled reserves. Capital cost estimates are derived from current capital costs based on extensive experience gained from many years of operating the property and do not include inflation. FCX and the PT-FI mine staff review actual costs periodically and refine cost estimates as appropriate.
The operating costs for the LOM plan are summarized in Table 1.4.
Table 1.4 – Operating Costs
$ billions
Mine$15.9
Processing13.5
Balance12.4
Total site cash operating costs41.9
Freight2.2
Treatment charges9.4
Royalties & export duties4.8
By-product credits ($1,200 Au price)(33.9)
Total net cash costs$24.4
Unit net cash cost at $1,200 Au price ($ per pound of copper)$0.76
Unit net cash cost at $1,800 Au price ($ per pound of copper)$0.29
The operating cost estimates are derived from current operating costs and practices based on extensive experience gained from many years of operating the property and do not include inflation.
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1.6Permitting Requirements
In the QP’s opinion, the Grasberg minerals district has adequate plans and programs in place, is in good standing with Indonesian environmental regulatory authorities, and no current conditions represent a material risk to continued operations. The Grasberg minerals district staff has a high level of understanding of the requirements of environmental compliance, permitting, and local stakeholders in order to facilitate the development of the mineral reserve and mineral resource estimates. The periodic inspections by governmental agencies, FCX corporate staff, third-party reviews, and regular reporting confirm this understanding.
In 2020, PT-FI initiated a new environmental impact analysis Analisis Mengenai Dampak Lingkungan (AMDAL) in preparation for the proposed extension of the east and west levees to maintain the tailings within the Modified Ajkwa Deposition Area (ModADA) deposition area. PT-FI continues to work with the Indonesian Ministry of Environment and Forestry (MoEF) to address full approval of the Environmental and Social Impact Assessment (ESIA), which is currently estimated to be received in 2022. PT-FI is currently undergoing regulatory review of technical approvals, the next stage of the overall permitting process.
1.7Conclusions and Recommendations
FCX and the QPs believe that the geologic interpretation and modeling of exploration data, economic analysis, mine design and sequencing, process scheduling, and operating and capital cost estimation have been developed using accepted industry practices and that the stated mineral reserves and mineral resources comply with SEC regulations. Periodic reviews by third-party consultants confirm these conclusions.
No recommendations for additional work are identified for the reported mineral reserves and mineral resources as of December 31, 2021.
2INTRODUCTION
This TRS is prepared by QPs for FCX, a leading international mining company with headquarters located in Phoenix, Arizona, U.S. The purpose of this TRS is to report mineral reserve and mineral resource estimates at the Grasberg minerals district using estimation parameters as of December 31, 2021.
2.1Terms of Reference and Sources of Information
FCX owns and operates several affiliates or subsidiaries. This TRS uses the name “FCX” interchangeably for Freeport-McMoRan Inc. and its consolidated subsidiaries.
FCX operates large, long-lived, geographically diverse assets with significant proven and probable reserves of copper, gold, and molybdenum. FCX has a dynamic portfolio of operating, expansion, and growth projects in the copper industry and is the world’s largest producer of molybdenum.
FCX maintains standards, procedures, and controls in support of estimating mineral reserves and mineral resources. The QPs annually review the estimates of mineral reserves, mineral resources, supporting documentation, and compliance to internal
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controls. Based on their review, the QPs recommend approval of the mineral reserve and mineral resource statements to FCX senior management.
The reported estimates and supporting background information, conclusions, and opinions contained herein are based on company reports, property data, public information, and assumptions supplied by FCX employees and other third-party sources including the reports and documents listed in Section 24 of this TRS, available at the time of writing this TRS.
Unless otherwise stated, all figures and images were prepared by FCX. Units of measurement referenced in this TRS are based on local convention in use at the property and currency is expressed in U.S. dollars.
The effective date of this TRS is December 31, 2021. FCX has previously reported mineral reserves and mineralized material for the Grasberg minerals district but has not filed a TRS with the SEC.
The estimates in this TRS supersede any previous estimates of mineral reserves and mineral resources for the Grasberg minerals district.
Mineral reserves and mineral resources are reported in accordance with the requirements of S-K1300.
2.2Qualified Persons
This TRS has been prepared by the following QPs:
Andrzej (Andrew) H. Issel, Director Resource Estimation and Reporting - PT-FI
Timothy Casten, Vice President Underground Planning
Ari Partanen, Vice President Technical Services
Andrew Issel is employed by FCX and has visited the site regularly, at various times throughout his career. He is a Registered Member of the Society of Mining, Metallurgy and Exploration (RM-SME) and a Professional Geoscientist (P.Geo.) of the Association of Professional Geoscientists of Ontario, Canada. He has numerous years of direct and supervisory experience in mineral resource estimation and reserve reporting, geology evaluation, exploration, and ore body modelling. His experience includes: 16 years - porphyry copper and gold deposits in Papua, Indonesia; 4 years Carlin type gold deposits in Nevada; 8 years - Abitibi type gold deposits in Canada; 4 years - iron ore in South Africa; and 1 year coal in South Africa. He has a master’s degree from the Faculty of Natural Sciences in the field of Geology from Wroclaw University in Poland. In his role as Director Resource Estimation and Reporting - PT-FI, he provides expert technical support for the geologic effort in Papua, Indonesia, with a focus on characterization, evaluation, and quantification of mineral deposits and other ore body attributes. He has a leading role and responsibility for resource estimation and reserve reporting. His most recent visit to PT-FI was in November 2019.
Tim Casten is employed by FCX and worked at the site in Papua, Indonesia from 1997 to 2002 in a variety of roles. Mr. Casten has a bachelor’s degree in mining engineering from the Camborne School of Mines, UK and a Master of Science degree in Mining Engineering from the Mackay School of Mines, University of Nevada-Reno, U.S. He is a registered Professional Engineer (P.E.) in Mining in the State of Arizona and a member
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of the Society of Mining, Metallurgy and Exploration. He has worked in the mining industry for over 30 years, primarily in metalliferous underground operations. Since 2002, he has managed a team of engineers and technicians who support the PT-FI underground operations. His team has responsibility for mine planning, mine design, feasibility level studies, and underground reserves. Since 2002, he has been based in the FCX corporate office. Mr. Casten regularly visits the site with his most recent visit to PT-FI in December 2019.
Ari Partanen is employed by FCX and has visited the site regularly, at various times throughout his career. He is a RM-SME and a member of Engineers Australia with chartered P.E. status. He has a doctoral degree from the Australian National University in Systems Engineering, a Bachelor of Engineering degree in Electrical and Electronic Engineering from James Cook University of North Queensland, and a Graduate Certificate in Mineral Economics from Curtin University of Technology in Western Australia. He has worked in the mining industry for over 30 years primarily with processing of copper-gold, copper-cobalt, and iron ore deposits. He has worked at Grasberg minerals district in Papua, Indonesia from 2000 to 2004 in a variety of roles in the concentrator area. Since 2008, he has been based in the FCX corporate office leading a team of metallurgists who support the PT-FI oreflow, concentrator, and dewatering plant operations. His team collaborates with the site personnel on operational improvements. He also has responsibility for strategic metallurgy, including metallurgical ore characterization of future ores, process design of future facilities and mill forecasting, including metal recoveries and concentrate grades for reserve reporting. His most recent visit to PT-FI was in February 2020.
The QPs reviewed the reasonableness of the background information for the estimates. The details of the QPs’ responsibilities for this TRS are outlined in Table 2.1.
Table 2.1 – Qualified Person Responsibility
Qualified PersonResponsibility
Andrew IsselSections 2 through 9, 11, 17, 21 through 26, and corresponding sections of the Executive Summary
Tim CastenSections 2, 12, 13, 15, 16, 18 through 26, and corresponding sections of the Executive Summary
Ari PartanenSections 2, 10, 14, 21 through 26, and corresponding sections of the Executive Summary
3PROPERTY DESCRIPTION AND LOCATION
The Grasberg minerals district is a copper, gold, and silver porphyry skarn deposit located in the remote highlands of the Sudirman Mountain Range in the eastern province of Papua, Indonesia, on the western half of the island of New Guinea. The district includes the following operating underground mines: GBC, DMLZ, and BG. The Grasberg minerals district also includes Kucing Liar (KL), which began development in 2021. The Deep Ore Zone (DOZ) ceased production at the end of 2021 and Grasberg open-pit (GRS_OP) in 2019.
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The mine operates 365 days per year on a 24 hour per day schedule. Mining and ore processing operations are currently in production and the mineral district is considered a production stage property.
3.1Property Location
The property location map is illustrated in Figure 3.1.
Figure 3.1 – Property Location Map
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The property is located at latitude 4.08 degrees south and longitude 137.12 degrees east using the World Geodetic System 84 coordinate system.
3.2Ownership
PT-FI is a limited liability company, organized under the laws of the Republic of Indonesia. PT-FI operates the mines in the Grasberg minerals district. On December 21, 2018, FCX completed a transaction with the Indonesia government regarding PT-FI’s long-term mining rights and share ownership. Following the transaction, FCX has a 48.76 percent share ownership in PT-FI and the remaining 51.24 percent share ownership is collectively held by PT Inalum, an Indonesia state-owned enterprise, and PT Indonesia Papua Metal Dan Mineral (formerly known as PT Indocopper Investama), which is expected to be owned by PT Inalum and the provincial/regional government in Papua, Indonesia. The arrangements related to the transaction also provide for FCX and the other pre-transaction PT-FI shareholders to initially retain the economics of the
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revenue and cost sharing arrangements under the former unincorporated joint venture with Rio Tinto plc (Rio Tinto). As a result, FCX's economic interest in PT-FI is expected to approximate 81 percent through 2022 and 48.76 percent thereafter.
3.3Land Tenure
Since 1967, PT-FI has been the only operator of exploration and mining activities in the approximately 24,600-acre operating area under the IUPK. Figure 3.2 shows a map of the land claim status.
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Figure 3.2 – Map of the IUPK Project Area
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3.4Mineral Rights and Significant Permitting
The Indonesian government granted PT-FI an IUPK replacing its former Contract of Work (COW) with the Government of Indonesia (GOI) enabling PT-FI to conduct operations in the Grasberg minerals district through 2041. Under the terms of the IUPK, PT-FI has been granted an extension of mining rights through 2031, with rights to extend its mining rights through 2041, subject to, among other things, PT-FI completing the construction of additional domestic smelting capacity in Indonesia (the schedule for which is under discussion) and fulfilling its defined fiscal obligations to the Indonesia government. The IUPK, and related documentation, contains legal and fiscal terms and is legally enforceable through 2041. The IUPK may not be extended through 2041 if PT-FI fails to abide by the terms and conditions of the IUPK and applicable laws and regulations.
In connection with PT-FI’s 2018 agreement with the Indonesia government to secure the extension of its long-term mining rights, PT-FI committed to construct additional domestic smelting capacity totaling 2 million metric tons of concentrate per year by the end of 2023 (an extension of which has been requested due to COVID-19 mitigation measures subject to approval of the Indonesia government). During 2020, PT-FI notified the Indonesia government of schedule delays resulting from the COVID-19 pandemic and continues to review with the government a revised schedule for satisfying its commitment.
The IUPK also requires PT-FI to pay duties on concentrate exports of 5 percent, declining to 2.5 percent when development progress for additional smelting capacity in Indonesia exceeds 30 percent, and eliminated when development progress for additional smelting capacity in Indonesia exceeds 50 percent.
The Indonesian government regulations address the export of unrefined metals including copper concentrate and anode slimes and other matters related to the mining sector. PT-FI’s export license for copper concentrate is valid for 1-year periods, subject to review and approval by the Indonesian government every 6 months, depending on greenfield smelter construction progress.
In March 2021, PT-FI received a 1-year extension of its concentrate export license through March 15, 2022. Regulations include a permit to export anode slimes which is necessary for PT Smelting (PT-FI’s 39.5-percent-owned copper smelter and refinery located in Gresik, Indonesia) to continue operating. PT Smelting’s export license for anode slimes expires on December 9, 2022.
3.5Comment on Factors and Risks Affecting Access, Title, and Ability to Perform Work
FCX and PT-FI believe all major permits and approvals are in place to support operations at the Grasberg minerals district. Based on the LOM plan, additional permits will become necessary in the future for river diversion out of the tailings management area as discussed in Section 17. Such processes to obtain these permits and the associated timelines are understood and similar permits have been granted in the past. FCX and PT-FI have environmental, land, water, and permitting departments that monitor and review all aspects of property ownership and permit requirements so that they are maintained in good standing and any issues are addressed in a timely manner.
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The mineral district has a partially unionized workforce and has been subject to various lawsuits and work stoppages over the operating history of the mine. FCX and PT-FI understand the importance of the workforce and work in good faith to resolve conflicts.
As of December 31, 2021, FCX and PT-FI believe the mine’s access, payments for titles and rights to the mineral claims, and ability to perform work on the property are all in good standing. Further, to the extent known to the QPs, there are no significant encumbrances, factors, or risks that may affect the ability to perform work in support of the estimates of mineral reserves and mineral resources.
4ACCESSIBILITY, CLIMATE, PHYSIOGRAPHY, LOCAL RESOURCES, AND INFRASTRUCTURE
PT-FI is located at 4 degrees south latitude in Papua, Indonesia and covers a range of environmental and physiographic zones.
4.1Accessibility
The PT-FI project area lies within the highlands of the Jayawijaya Mountain Range. Access to the project area is from either the portsite in Amamapare on the Tipeoka River or the international airport in Timika approximately 43 kilometers north of the portsite. An all-weather gravel access road connects the portsite to the site and it is the primary access point for people and materials to enter the operations area. The access road spans from the portsite to the mill site while passing the city of Timika, the PT-FI town of Kuala Kencana, and the PT-FI town of Tembagapura in the Mimika Regency. The mill site is at milepost (MP) 74. A bus service is provided for transporting workers. Helicopters service day-to-day operations. Planes out of Timika are operated by a privatized partner and commercial flights provide routine transportation to and from Jakarta and other Indonesia cities.
4.2Climate
The climate in the project area can be categorized as a tropical monsoon climate; however, climate conditions are highly variable due to changes in elevation. In general, the lowland and coastal areas exhibit a hot, wet, and humid climate, whereas the highlands have a wet, moderate to cool climate.
Annual rainfall ranges from less than 300 centimeters in the highest elevations to 500 centimeters in Tembagapura. Temperatures at the portsite are warm with a range from 19 to 38 degrees Celsius. Temperatures at the mine site are cool with a range from minus 2 degrees Celsius to 22 degrees Celsius. It is typical for part of the project area to be under cloud cover daily.
4.3Physiography
The terrain between the southern portsite in the lowlands to the northward mining area ranges from mangrove swamp and jungle to extremely rugged mountains. The main PT-FI town of Tembagapura is in a temperate mountain valley at an elevation of roughly 1,900 meters.
The deposits are located approximately 96 kilometers north from the coast among elevations ranging between 2,900 to 4,200 meters above sea level.
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4.4Local Resources and Infrastructure
Infrastructure is in place to support mining operations. Section 15 contains additional detail regarding site infrastructure.
The mine maintains company-owned townsites at the operation. The primary accommodations for project workers are in Tembagapura, its suburbs Hidden Valley and Ridge Camp in the highlands and Kuala Kencana in the lowlands. Tembagapura houses many of the workers and management associated with mining and processing operations. North of Tembagapura, Ridge Camp is another on-site major housing facility for the mine along with office buildings, remote control mining and maintenance facilities. Ridge Camp is the primary access point to the underground ore bodies.
Supplies are delivered by truck up the main access road to storage facilities across the operations. PT-FI has sole control of ships to transport fuel, supplies, and general cargo to the project area. PT-FI maintains purchasing offices in Jakarta and Surabaya in Indonesia and in Australia, Singapore, and the U.S.
Water sources for the project are a combination of naturally occurring mountain streams and water derived from our underground operations. FCX and PT-FI believe it has sufficient water resources to support current and future operations.
PT-FI is currently powered by an on-site coal-fired power plant, with installed capacity of 198MW, built in 1998. Diesel generators, installed starting on the 1970s through the1990s, with an installed capacity of 130MW, currently supply peaking and backup electrical power generating capacity. To support the additional energy requirements as result of the ramp-up of the underground mines, PT-FI is constructing a new 129MW dual-fuel power plant (DFPP) at the portsite to provide an additional 129MW of firm capacity to support the increased power requirements as the underground mine ramp-up. The DFPP is designed using high-efficiency dual fuel reciprocating engines on a flexible platform that can operate on either diesel fuel or natural gas, providing PT-FI future optionality to adjust the fuel type and increase plant capacity.
Site operations are adequately staffed with experienced operational, technical, and administrative personnel. FCX and PT-FI believe all necessary supplies are available as needed.
5HISTORY
The Grasberg minerals district hosts two copper-gold-silver rich porphyry and skarn hosted systems.
The Ertsberg/Gunung Bijih (GB) “Ore Mountain” ore body was exposed at surface and mapped by the Colijn Expedition in 1936. GB was rediscovered many years later in 1960 by the Freeport Sulfur Company. In 1967, PT-FI entered into an initial 30-year COW with the GOI to mine the GB ore body. PT-FI drilled the GB in the late 1960s and mined it in the 1970s using open-pit techniques.
Following the GB finding was the discovery of the Gunung Bijih Timur (GBT) “Ore Mountain East” ore body 1 kilometer east of the GB open-pit. GBT was discovered by geologists mapping outcrops in the early 1970s during the evaluation of the GB. Exploration drilling in 1975 showed the potential for GBT and it was mined as a block
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cave from 1981 to 1994. GBT was the beginning of the upper portion of the Ertsberg East Skarn System (EESS), starting block cave operations in 1981. GBT open-pit was part of the GBT discovery but the GBT block cave was prioritized, and the open-pit portion was moved to resource classification.
The Dom ore body was discovered by geologists mapping outcrops in the early 1970s during the evaluation of the GB. Exploration drilling for Dom occurred from 1976 to 1977. Extensive drilling continued in the mid-1980s showing Dom has both open-pit and block cave potential. The geomechanical studies of rolling rock and slope stability issues related to mining of the Dom identified unacceptable levels of risk to mill Amole Ridge facilities below. In 2007, Dom was moved in the schedule to post-KL mining and reported as a mineral resource.
Discovery of the Intermediate Ore Zone (IOZ) was followed by DOZ situated beneath in the late 1970s. DOZ began mining as an open stope mine in 1989 and was converted to block caving techniques in 2000 and was depleted by the end of 2021.
The Grasberg deposit was discovered in 1988. The size and geology of the ore body allowed for open-pit mining from 1990 to 2019 and subsequent block cave mining beginning in 2019.
Since 1990, additional ore bodies have been discovered and delineated, namely DMLZ, BG, and KL. BG is located on the southwest side of the Ertsberg Diorite and started mining with open stope techniques in 2014. DMLZ is the lowest portion of the EESS deposit and has been mined as a block cave since 2015. KL was discovered southwest of the Grasberg deposit and started development in 2021.
The Grasberg minerals district is a well-developed property currently in operation and all previous exploration and development work has been incorporated where appropriate in the access and operation of the property. Exploration or development work is included in the data described in Sections 6 through 11 of this TRS.
6GEOLOGICAL SETTING, MINERALIZATION, AND DEPOSIT
6.1Regional Geology
The Grasberg minerals district lies adjacent to the boundary of the Australian and Indo-Pacific plates as shown in Figure 6.1. The geology of the region relates to the collisional delamination tectonics when the Australian and Indo-Pacific mega plates collided along the Derewo zone, located approximately 35 kilometers north of the Grasberg minerals district. This impact caused the continental plate break-off, folded the Jayawijaya mountain range and upwelled magma into the Grasberg minerals district. The ascension of magma from the upper mantle and differentiation into a calc-alkaline type of intrusion triggered copper and gold mineralization.
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Figure 6.1 – Tectonic Map in Relation to Grasberg Minerals District
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6.2Deposit Geology
The Grasberg minerals district is situated on the crest of the Jayawijaya mountain range at elevations over 2,000 meters with the highest peak, Puncak Mandala at 4,760 meters. Ore deposits in the Grasberg minerals district have economic copper, gold, and silver mineralization in porphyries and skarns. The primary sulfide mineralization is chalcopyrite, with lesser bornite, chalcocite, and covellite. Gold concentrations usually occur as inclusions within the copper sulfide minerals although in some parts of deposits gold can also be strongly associated with pyrite. The district geology map is shown in Figure 6.2.
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Figure 6.2 – Grasberg Minerals District Geologic Map (Plan View)
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Figure 6.3 and Figure 6.4 provide a location reference for the stratigraphy, intrusions, and mineralized deposits.
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Figure 6.3 – Grasberg Minerals District Geologic Map and Cross Section
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Figure 6.4 – EESS Geologic Cross Section
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There are five major ore bodies in the district, all occurring within the center of the Grasberg minerals district:
Grasberg Intrusive Complex (GIC) includes the GBC and the depleted GRS_OP.
EESS includes DMLZ and depleted GBT, IOZ, DOZ.
BG.
KL (development stage mineral reserve).
Dom (classified as mineral resource).
The ore bodies are located within and around two main igneous intrusions: the Grasberg monzodiorite and the Ertsberg diorite. The host rocks of these ore bodies include both carbonate and clastic rocks that form the ridge crests and upper flanks of the Sudirman Range and the igneous rocks of monzonitic to dioritic composition that intrude them. The igneous-hosted ore bodies (GBC and portions of the DMLZ) occur as vein stockworks and disseminations of copper sulfides, dominated by chalcopyrite and to a lesser extent bornite. The sedimentary-rock hosted ore bodies (portions of the DMLZ, KL and all of the BG) occur as magnetite-rich, calcium/magnesian skarn replacements, whose location and orientation are strongly influenced by major faults and by the chemistry of the carbonate rocks along the margins of the intrusions.
6.2.1Structural Geology
The compressional regime played a fundamental role in the structural geometry of the Grasberg minerals district. The collision of Australian and Pacific plates that occurred approximately 8 million years ago caused folding and uplift in the central range of the Jayawijaya Mountains causing rock units to shorten, forming the west-northwest by east-southeast oriented syncline/anticline systems including the Yellow Valley Syncline (YVS) with peaks up to 5,000 meters. The movement of west-northwest trending left lateral faults paired with the northeast striking faults formed pull-apart structures that facilitated magma emplacement.
Ductile and brittle deformation contributed to folding reverse-thrust faults and bedding slip faults in the district. The reverse fault structures occur parallel to the regional fold trend, some with kilometer-scale offsets followed with later strike-slip left-lateral movement. These regional west-northwest by east-southeast structures are cut in places by northeast-southwest trending strike-slip faults which have left-lateral offsets ranging from a few meters to more rarely a few hundred meters.
Chemically reactive sedimentary host rocks combined with pre-conditioned structural zones, enabled fluid to pass through and minerals to precipitate within. The combination of the magma chemical composition, the magma cupola forcing its way to the surface and the reactivation of structures which hydrofractured surrounding rocks, subsequently formed stock-work veined, porphyry copper and gold ore bodies. The GIC was emplaced in the pull-apart basin generated by the Riedel system of west-northwest by east-southeast striking faults and the northeast-southwest trending Grasberg Fault movements that occurred within the YVS axis. The Ertsberg intrusive complex was emplaced along the opening of west-northwest by east-southeast faults.
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6.2.2Rock Types
The sedimentary rock units of the Grasberg minerals district are classified into the two main groups of formations from oldest to youngest as described below and shown in Figure 6.5:
Kembelangan Group is approximately 3,400 meters thick, consists largely of siliciclastic rocks, and is divided into four formations:
Middle to Upper Jurassic Kopai.
Upper Jurassic to Lower Cretaceous Woniwogi.
Lower to Middle Cretaceous Piniya.
Upper Cretaceous Ekmai.
New Guinea Limestone Group is approximately 1,700 meters thick, is carbonate-dominated, and divided into four formations:
Paleocene Waripi.
Eocene Faumai.
Oligocene Sirga.
Upper Oligocene to Middle Miocene Kais.
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Figure 6.5 – Stratigraphy of Grasberg Minerals District
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Technical Report Summary for
Grasberg minerals district, Papua, Indonesia
The northern and central portions of the district are dominated by the 1.7 kilometer thick, largely carbonate rocks of the Lower to Middle Cenozoic New Guinea Limestone Group. Kais is the uppermost part of the New Guinea Limestone Group and is a 1.2 kilometer thick fossiliferous limestone. The Kais limestone is underlain by the 30-meters-thick quartz-carbonate sandstone of the Sirga formation, a district stratigraphic marker. Below the Sirga formation is the 150-meters-thick, massive-bedded, clean limestone of the Faumai formation. The lowermost New Guinea Limestone Group and Cenozoic unit is the Waripi formation, a 300-meters-thick anhydrite nodule-bearing dolomitic limestone, containing thin but laterally continuous quartz sandstone beds. All New Guinea Limestone Group carbonate formations can host high-grade copper and gold skarn mineralization, but the most susceptible unit is the lower part of the Waripi formation.
The New Guinea Limestone Group is underlain by predominantly siliciclastic rocks of the Cretaceous-Jurassic Kembelangan Group, the upper part of which comprises the Ekmai formation, which has three members. In increasing age, these are the 3 to 5-meters-thick Ekmai shale, the 100-meters-thick Ekmai Limestone (a calcareous mudstone), and the 600-meters-thick Ekmai sandstone. The shale member forms an important marker horizon which contains hornfels within the district and is seldom mineralized, even where units above and below have high-grade copper and gold skarn. The Ekmai limestone is altered to skarn and hornfels. The Ekmai sandstone is arkosic in nature. Both units commonly host disseminated to fracture-controlled, ore-grade mineralization where they underlie the larger skarn ore bodies.
There are two main intrusive bodies in the district: the GIC and the Ertsberg diorite.
The GIC is comprised of three major and several subordinate, distinct igneous phases. The Main Grasberg Intrusive (MGI) monzodiorite stock intruded through the center of the early formed dioritic fragmental rocks of the Dalam diatreme. Volcanic pyroclastic and flow-dome rocks of Dalam age outcrop and covered much of the pre-mining surface of the GIC. An erosional window in the south-central portion of the deposit exposed MGI-related quartz stockwork hosted copper and gold mineralization at the surface. The late stage intrusion of the South Kali dykes (monzonites), truncated the ore body and signaled the close of the igneous system. These dykes are post-mineralization and are structurally controlled, tabular units which intrude the complex from a separate stock southeast of the GIC.
All intrusions in the Ertsberg District are potassium rich, alkalic intrusions. These rocks are classified as monzodiorites, quartz monzodiorites, monzonites, trachyandesites, and trachydacites. The location, size, and shape of the intrusions in the district varies with time. Older intrusions (4 to 5 million years old) such as the South Wanagon Suite and the Utikinogon Suite are small sills, ranging from meters to hundreds of square meters in area, on the south side of the district. Intermediate intrusions (3 to 4 million years old) such as the Kay, Idenberg, and Lembah Tembaga stocks are “plug-like” in shape and measure hundreds of square meters in area. The younger intrusions (2.6 to 3.5 million years old) like Grasberg and Ertsberg are large composite intrusions or stocks (kilometer scale) and occur further to the north.
6.2.3Alteration and Mineralization
Mineralization occurred in a short timeframe between 2.5 to 3.5 million years, shortly after the emplacement of the metal-laden associated igneous rocks. All the porphyry and skarn copper ore bodies in the area contain gold and silver as additional metals. The
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Technical Report Summary for
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structurally controlled porphyry systems in the district are derived from potassium-rich magmas, dioritic to monzonitic in composition. Exoskarn and associated mineralization is mainly present in the New Guinea Limestone Group rocks, particularly within the dolomite of the Waripi formation, but also within the Cretaceous Ekmai limestone and sandstone.
The bulk of the mineralization in the district occurs within potassic-altered intrusive rocks or within prograde skarn assemblages. Chalcopyrite is the dominant ore mineral in all ore bodies. Bornite prevalence increases with depth in both the Grasberg porphyry and the Ertsberg skarns, but rarely dominates. Covellite is a common constituent in phyllic-altered (sericite-pyrite) zones. It is the dominant copper-bearing mineral in distal portions of KL and is common in the very local, argillic alteration zones at Grasberg and KL, along with other high sulfidation state sulfides. Supergene chalcocite was a minor constituent of the low-grade Grasberg ores to as much as 300 meters below original topography within the highly permeable, anhydrite-depleted “poker chip” zone. Oxide copper minerals are insignificant in all ore bodies, except for Dom where malachite and chrysocolla are abundant.
In the EESS, approximately 80 percent of gold in the prograde skarn and potassic alteration-hosted ores in the deposits occurs as free inclusions in chalcopyrite, bornite, and digenite; the remainder occurs in pyrite and silicate gangue minerals. In zones with intense phyllic and/or advanced argillic alteration, early formed, gold bearing chalcopyrite is converted to covellite with pyrite and gold is taken up in the pyrite lattice. This is especially the case in the highly altered ores in parts of KL and at the deeper margins of the Grasberg deposit. Gold is typically fine grained and not visible. Silver appears to be contained largely within the crystal lattice of the copper-bearing sulfides.
Lead (as galena), zinc (as sphalerite), and arsenic (as arsenopyrite and enargite) generally occur in low concentrations and limited locations. These accessory sulfide minerals are most common at margins of mineralization (BG and KL) and in distal fault-fracture systems, commonly accompanied by anomalous gold values and generally in areas of elevated pyrite and/or pyrrhotite. Pyrite (and lesser pyrrhotite) is relatively uncommon in the potassic alteration and prograde skarn-hosted ores, but can reach high concentrations in the lower grade phyllic and retrograde skarn alteration zones at ore body margins, such as the Heavy Sulfide Zone at GBC, KL, and on margins of DMLZ and BG. Thermal metamorphism of the carbonate rocks is evident in the occurrence of marble aureoles around all the intrusions in the district. Marbleization extends outward from the contact between 50 and 1,000 meters. The inner boundary is commonly sharp, beginning at either the igneous/sedimentary rock contact or at the skarn front. The shale member of the Ekmai formation tends to alter to hornfels outward from the igneous contacts (Leys et al., 2012).
7EXPLORATION
The exploration history at the Grasberg minerals district is extensive, starting in the late 1960s and continuing through today. The data, methods, and historical activities presented in this section document actions that led to the initial and continued development of the mine, but are not intended to convey any discussion or disclosure of a new, material exploration target as defined by S-K1300.
The Grasberg minerals district hosts two copper-gold-silver rich porphyry and skarn hosted systems. Using a non-economic cutoff grade of 0.1 percent copper, the
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Technical Report Summary for
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Grasberg-related system contains approximately 7.5 billion metric tons grading on average 0.70 percent copper and 0.64 parts per million gold in two main deposits, the Grasberg porphyry system, and the KL skarn. The Ertsberg-related system contains roughly 3.6 billion metric tons grading on average 0.60 percent copper and 0.44 parts per million gold (Leys et al., 2012).
Exploration potential exists below mineral reserves as extensions of current mineralization trend. Current operation of the Grasberg minerals district includes routine drilling programs focusing on delineation of deposits, hydrology, metallurgy, and geomechanical programs.
Major exploration summary:
GRS_OP (Depleted) – Exploration began in 1988. The Grasberg and Kucing Liar (GRSKL) model contains 5,265 drill holes with 1,943 assayed holes containing 95,655 samples totaling 324,290 meters within the final pit. The average drill hole spacing was less than 50 meters in the late LOM. Currently, there are no drilling activities in the open-pit. The GRS_OP produced over 27 billion pounds of copper and 46 million ounces of gold in the 30-year period from 1990 through 2019.
GBC – Exploration began in 1996. The GRSKL model contains 5,265 drill holes with 838 assayed holes containing 61,844 samples totaling 184,668 meters within the GBC reserve. The average drill hole spacing is 49 meters within the reserve. Current drilling includes infill, dewatering, and geomechanical drill programs.
DMLZ – Exploration began in 2003. The EESS model contains 5,360 drill holes with 1,278 assayed holes containing 76,717 samples totaling 170,338 meters within the DMLZ reserve. The average drill hole spacing is within the reserve is 54 meters. Current drilling activities include: infill delineation, hydrofracking, and dewatering holes.
BG – Exploration began at the end of 1991. The BG model contains 1,306 drill holes with 1,017 assayed holes containing 25,542 samples totaling 70,818 meters within the 1 percent Equivalent Copper Grade (EqCu) mineralized envelope. The average drill hole spacing is 30 meters within the reserve. Current drilling includes infill programs to assist with grade control.
DOZ – Exploration began in the late 1980s. The EESS model contains 5,360 drill holes with 979 assayed holes containing 45,728 samples totaling 111,036 meters within the DOZ reserve. The average drill hole spacing is 42 meters within the reserve. Currently, DOZ does not have any active drilling and is mined out.
KL – Exploration began in 1994. The GRSKL model contains 5,265 drill holes with 167 assayed holes containing 10,809 samples totaling 31,482 meters within the KL reserve. The average drill hole spacing is 61 meters within the reserve. Current drilling includes infill, metallurgy, and geomechanical programs.
7.1Drilling and Sampling Methods
The majority of exploration activity in the district was drilled from underground with some historical surface core drilling. All drilling used for geologic modelling at PT-FI has utilized diamond core drilling methods since the initial development of the GB deposit.
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Technical Report Summary for
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Current drilling diameters are generally HQ-size diameter (63.5mm) and may reduce to NQ-size (47.6mm) for holes deeper than 600 meters. The drill hole database at PT-FI consists of a variety of drill core sizes ranging from BQ size (36.4mm) to PQ-size (85.0mm). Earlier drill programs often collared NQ holes and reduced to BQ for deeper drilling. Most of the material estimated with BQ diameter drilling has already been mined out.
The exploration programs completed at PT-FI (drilling, sampling, and logging) are appropriate and up to industry standard. Drill hole intervals are on average 3 meters but can range from 0.5 to 6 meters. Drilling sample quality and core recovery is good over the project area.
7.2Collar / Downhole Surveys
All drill hole collar locations are measured by the mine survey department and stored in the drill hole database. Downhole surveys are collected using the Reflex Gyro, which is not affected by the local magnetic field.
Historically, downhole surveys used the Acid Tube method and occasionally Sperry Sun surveys, but the highly magnetic terrain rendered this latter technique subject to inaccuracy. During the mid-1990s downhole survey methods transitioned to the more reliable Maxibor survey tool and transitioned to the currently method of Reflex Gyro. The earliest drilling programs had only collar surveys with the downhole survey projected in a straight line to the end of hole.
7.3Drill Hole Distribution
The Grasberg minerals district drill hole database ending in 2021 contains 11,698 drill holes including exploration, geological, delineation, geomechanical, and hydrological data. Assay data is available for 9,057 holes containing 793,053 copper assays, 756,568 gold assays, and 765,741 silver assays. Drilling outside of mineralized domains is reviewed on a case by case basis and are generally not assayed. Figure 7.1 is a map illustrating assayed diamond drill holes (DDH) within the IUPK project area.
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Figure 7.1 – Assayed DDHs within Grasberg Minerals District (Plan View)
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7.4Sample Quality
To maintain sample quality PT-FI has an established a Chain-of-Custody system. The database houses a reporting program used to track sample location and progress. Documentation is prepared prior to DDH core transportation from the drill rig to an intermediate handling facility where samples are subsequently loaded into secured transport containers for delivery to the centralized core handling facility in Timika. Shipment and arrival of samples is confirmed using Chain-of-Custody paperwork and a web-based confirmation system. The whole system is checked annually by a third-party reviewer.
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7.5Sample Logging
DDH core is logged in two phases: a quick log at the drill rig and a more detailed geologic log at the core handling facility by site personnel. A quick log of majority rock type takes place by the project geologist after the driller stores the core in a box. The whole core is then transported to the centralized core logging facility where a number of tasks are completed including core photos, detailed geologic logging, geomechanical logging, density measurements, magnetic susceptibility recording, and core splitting.
The core is washed and photographed prior to logging. Point load tests are completed on selected whole core from each assay interval with the broken core being returned to the core tray prior to sampling. A whole core specimen (10 to 15 centimeters long) is selected from each sample interval for density determination and is subsequently stored as skeleton for future reference.
7.6Hydrogeology
PT-FI conducts field testing for hydrogeologic parameter determination used for groundwater modeling. Secondary permeability (mainly fractured rock and structure) is the main control on water movement. The hydrogeology monitoring program includes:
Surface and underground piezometer monitoring of water table position and pore pressure.
Measurements of rainfall and water flow in catchments as an indication of groundwater recharge rates from precipitation.
Sampling for water chemistry analysis.
Data collected is analyzed and used to support groundwater movement interpretation. Rock type, alteration and structure, combined with water level measurements, flow interception during drilling, hydraulic testing using pumping, airlift or gravity drains, water sampling and recharge estimation are used for hydrogeology boundary characterization and interpretation within a conceptual hydrogeologic model. Characterization determines the ability of the hydrologic units to produce flow based upon their hydraulic properties.
Numerical models are constructed to simulate water flow using the geologic features in the conceptual model including regional faults, structure, alteration, karstification, rivers, surface water, along with past and future mining areas. Where hydraulic testing is not possible, a model calibration process for water level and flow is used to give the best estimate of hydraulic properties.
7.7Geomechanical Data
Geomechanical logging is performed at the centralized core logging facility in Timika. All DDH core is systematically and uniformly geomechanically logged and tested unless otherwise instructed. Logging procedures follow industry-standard methods agreed upon between PT-FI and its consultants. Geomechanical logging is carried out as soon as possible after drilling, taking care that the core is disturbed as little as possible. Geomechanical measurements are taken using the following methods:
Rock Quality Designation (RQD)/Fracture Frequency – measures the fracture spacing/density on which rock mass strength partly depends, with other principal factors being fracture orientation and joint condition logging.
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Technical Report Summary for
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Point Load – measurements are intended as an index test for the strength classification of rock materials. Measurements are taken at 15-meters intervals while recording failure types, structures, and vein descriptions. The selected sample must have length at least equal to the core diameter measured along the core axis.
Televiewer – provides high-resolution oriented images of drill hole wall capturing geomechanical data including: lithology, structure, and fracture stress orientation.
In general, rock mass strength is defined spatially based on the laboratory strength testing and distributions of vein intensities. Rock strengths are determined for intact failure types (where the sample test breaks only through intact rock) and combined failure types (where the sample fails through both intact rock and structure).
7.8Comment on Exploration
In the opinion of the QP:
The exploration programs completed at PT-FI (drilling, sampling, and logging) are appropriate for geologic resource modeling.
The data spacing and distribution is sufficient to establish the degree of geological and grade continuity appropriate for mineral reserve and mineral resource estimation.
The geomechanical core testing and hydrogeologic records are appropriate to support mine designs.
8SAMPLE PREPARATION, ANALYSES, AND SECURITY
8.1Sampling Techniques and Sample Preparation
DDH core is collected by the core handling crew from the drill rig and taken to Kasuang Yard for transport packing by loading into secured transport containers. Core is given a modified drill hole identification number in Kasuang prior to arrival in Timika. PT-FI personnel use a dedicated core transport truck to deliver core to a facility in Timika for logging, storage, and sample preparation. The arrival of DDH’s from Kasuang to the Timika is confirmed using a dispatch system and the modified drill hole identification number is replaced with the original.
The Core Processing Facility in Timika is operated and controlled by PT-FI. The Data Administration team tracks the movement of core samples across the project site. The location of every drill hole sample and its status in the system is reported to management.
The logging geologist marks the beginning and end points for each sample interval. Sample intervals are 3 meters, although the geologist may choose a shorter interval if the geology or deposit-specific protocols indicate otherwise.
The core is split longitudinally using conventional splitters. A unique sample number is assigned to each sample and logged into the database. Half of the core is returned to the core box while the other half is bagged for shipment to PT Sucofindo Kuala Kencana (SFKK) laboratory for assays with transfer documentation.
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The samples are transferred to the SFKK laboratory, checked in, prepared for assay, and assayed. The assay results are reported, and the PT-FI and SFKK analysis of quality assurance and quality control (QA/QC) are compared and reported.
Exploration holes are stored permanently while hydrology holes and other holes outside the reserve are stored temporarily and discarded after 6 months.
8.2Assaying Methods
Copper is initially assayed using a 0.2-gram aliquot with 3-acid digest and flame atomic absorption spectroscopy (AAS). If the initial assay is greater than 0.50 percent copper, the assay is rerun as an “ore grade” sample. Ore grade samples are a 0.5-gram sample run using the same methods as above. If the initial assay is greater than 2 percent copper, the sample is rerun by titration with a 1.0-gram aliquot.
Gold is fire assayed using a 30-gram aliquot with AAS finish unless the overlimit of plus 15 gram per metric ton is reached, in which case a gravimetric finish is used.
Reject splits are retained for future metallurgical work and for duplicate coarse reject analysis.
8.3Sampling and Assay QA/QC
PT-FI geologists provide assay instructions to the current primary laboratory, SFKK. After assaying, all pulps are returned to the core shed in Timika. Historically, the primary assay laboratory has changed over time. Laboratories are internationally and/or domestically certified as follows:
SFKK is an external laboratory located in Kuala Kencana. The laboratory is ISO 9001:2015, ISO 17020:2012, ISO 17025:2017 and SMKS PP50:2012 certified.
PT Geoservices-GeoAssay (GA) is an external laboratory located in Jakarta. GA is ISO 17025:2018 accredited and has a KAN LP-463-IDN certification.
SGS-Indoassay is an external laboratory located in Jakarta. The laboratory has ISO 17025:2008 and SNI ISO/IEC certifications.
The Mill 74 laboratory is a company-owned laboratory located in the highlands that supports production sampling and is used for production reconciliation at PT-FI. The assay results are not used in the resource modeling estimation process.
The procedures used by PT-FI and SFKK for QA/QC on core samples are as follows:
Duplicate assays are inserted on a 1 in 10 basis completed by SFKK as a precision or repeatability check on the assay result with duplicate prepared pulps.
Duplicate rejects are inserted on a 1 in 25 basis completed by SFKK as a precision or repeatability check on the sample pulp preparation process by re-pulping coarse rejects and submitting for assay. Coarse reject samples are also screen analyzed to confirm the size is 95 percent passing 4 millimeters.
Standard Certified Reference Materials (CRM) are inserted on a 1 in 15 to 20 basis by PT-FI for assay by SFKK and/or the check labs. CRM values are blind to the laboratory.
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Blanks are inserted on a 1 per batch basis by PT-FI. The blank material is currently made up from barren limestone half core from dewatering drill holes. The purpose of blank insertions is to confirm that there is no contamination between samples due to sample preparation errors at the laboratory.
QA/QC data is located in the drill hole database. All QA/QC check assays are examined for acceptability using QA/QC tools in the database software. Assays that meet QA/QC requirements are accepted into the database; those that did not are rejected and reruns are ordered.
SFKK maintains internal and independent QA/QC procedures in addition to the PT-FI mandated procedures above.
Standards are also inserted by SFKK on a 1 in 20 basis as an internal laboratory control.
Blanks are also inserted by SFKK as an internal control.
A reagent blank is inserted into the AAS sample stream by SFKK as an internal control.
Secondary laboratory checks are performed as part of the QA/QC procedures. Pulps are sent to a third-party laboratory as check assays on a 1 in 15 basis. The current external secondary check laboratory is Intertek in Jakarta. Historically GA and SGS-Indoassay had been used as secondary labs.
PT-FI analyzes the results of the QA/QC sampling regularly and generates reports to management as well as sharing the results during monthly meetings between PT-FI and the SFKK laboratory. In addition, QA/QC performance is independently verified by a third-party consultant annually.
8.4Bulk Density Measurements
Drill core is skeletonized by retaining 10 to 15 centimeter samples selected every 3 meters. These samples are used for density determinations. Specific gravity (SG) is measured by drying the sample, weighing in air, and weighing while immersed in water. SG is calculated using the formula below:
SG = weight in air / (weight in air – weight in water)
Assumes water has an SG of 1 and surface tension is not a factor.
Weighing crushed rock or highly altered rock is difficult, so only solid core is weighed. A factor is applied to the bulk measurement to compensate for fractured samples and considers RQD, broken, and crushed measurements. QA/QC checks are conducted every 50 meters using the water-air weight method and caliper method after the ends of the samples are cut perpendicular to the core axis with a diamond saw.
8.5Comment on Sample Preparation, Analyses and Security
In the QP’s opinion, sample preparation, analytical methods, security protocols, and QA/QC performance are adequate and supports the use of these analytical data for mineral reserve and resource estimation.
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Technical Report Summary for
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9DATA VERIFICATION
9.1Data Entry and Management
PT-FI has a team dedicated to data administration and QA/QC. The Data Administration team manages the master drill hole database and provides QA/QC services for PT-FI. The database is physically housed on a secure server and is automatically backed up. The database is protected by restricting user access and permissions on both the server and within the program. Permissions are assigned by a designated database administrator.
Pre-configured rules are used to maintain data integrity for all stages of data entry within the program. These rules are incorporated for drill hole planning, collar, downhole surveys, geological and geomechanical logging, sampling, assay results, and QA/QC. The program has importers and data entry objects with built-in validation that can be used to produce reports and graphs to inform the database managers of unusual data. The Data Administration team verifies that data in the master database is complete and quality control is performed regularly.
The primary laboratory SFKK utilizes a commercially available Laboratory Information Management System (LIMS) to control, store, and transfer analytical results electronically. Data entry errors are reduced in comparison to past systems because assay results from instrumentation report directly to the LIMS software package.
Annual checks of the database are performed by the PT-FI resource geology team in addition to the Data Administration team at the site. These checks include:
Identifying new drilling added since prior year and comparing summary statistics to the previous year’s database.
Identifying database values that have changed since prior year and verifying that any changes can be explained and justified. This includes checking the collar, survey, and assay data.
9.2Comment on Data Verification
As confirmation of the mineral reserve and resource process, third-party consultants are hired annually to perform verification studies. This study includes the database, geological models, and estimation verification. A third-party analysis of PT-FI data confirmed there are no issues in the mineral resource estimation and reporting and complies with mining industry standards.
Starting in November 2009, the consultant developed a Data Acquisition and Maintenance checklist for PT-FI. This checklist incorporates a review of the data acquisition tasks required for the reserve and resource reporting. The verification process is completed by the consultant during the annual technical review.
In summary, data verification for PT-FI has been performed by FCX personnel and external consultants contracted by FCX. Based on reviews of this work, it is the QP’s opinion that the PT-FI drill hole database and other supporting geologic data align with accepted industry practices and are adequate for use in mineral reserve and mineral resource estimation.
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10MINERAL PROCESSING AND METALLURGICAL TESTING
Mineral reserves and mineral resources are evaluated to be processed using hydrometallurgy and/or concentrating (mill) operations. The applicable processes and testing are discussed below.
10.1Hydrometallurgical Testing and Recovery
Hydrometallurgical processes are not in use at the Grasberg minerals district.
10.2Concentrating Metallurgical Testing and Recovery
Geometallurgical testwork for PT-FI has been performed at FCX’s Technology Center facilities (TCT) laboratory (ISO 9001:2015 certified) in Tucson, Arizona since 2009. Prior to that, testwork was performed by Crescent Technology at their laboratory in Belle Chasse, Louisiana. Additionally, geometallurgical testwork has been completed by SGS Mineral Services (SGS) in Lakefield, Ontario. The QA/QC procedures for the hardness testing include repeats, duplicates, and periodic round robin testing with internal and external laboratories. For flotation testing and associated assays the main QA/QC methodology is by use of repeats and duplicates.
Geometallurgical testing has been conducted to characterize the response of ore samples to comminution and flotation processes and to develop predictive models to forecast recovery and concentrate grades by ore type. The geometallurgical tests are conducted at the scale of a laboratory bench, or in the case of comminution testing with equipment of a laboratory scale. The testwork includes flotation tests and associated assays, JK Ore Hardness Drop Weight testing, Bond Work Index (BWI) testing, and mineralogical analysis including quantitative evaluation of minerals by scanning electron microscopy, known as QEMScan and x-ray diffraction. Testing has been extended beyond the bench scale to either large-scale batch testing or operating a pilot plant facility to generate additional data required for the design of facilities needed to treat the ore.
Table 10.1 summarizes the current modeled LOM overall recovery. These recoveries are a tonnage-weighted summation of modeled recoveries by ore type for each of the deposits.
Table 10.1 – Modeled LOM Recovery
Ore bodyCopper Recovery (%)Gold Recovery (%)Silver Recovery (%)Final Concentrate
Grade
(%Copper)
GBC86.765.972.425.3
DMLZ87.981.283.427.7
BG94.669.883.229.0
KL86.153.850.921.5
Fluorine is present in the ore, with higher levels in DMLZ and GBC ores, and therefore the mill and dewatering plant operations are managed with the objective to maintain fluorine levels in the copper concentrate shipments to less than 1000 parts per million.
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10.3Comment on Mineral Processing and Metallurgical Testing and Recoveries
The comminution and flotation response of GBC, DMLZ, and BG have been characterized and are well understood and spatially representative.
Significant drilling has been undertaken on the KL low pyrite ore body to understand flotation and comminution response on the existing concentrator facilities. Additional drilling is ongoing to further define the KL low pyrite ore body. Flotation testwork on drill hole core samples continued through 2021 at the TCT laboratory, while flotation pilot plant testing planned for 2022 will be conducted by SGS in Lakefield, Ontario.
In the opinion of the QP, the geometallurgical testwork completed on representative samples is appropriate to establish reasonable processing estimates for the different copper-gold porphyry and skarn style mineralization encountered in the deposits. The mill and dewatering plant processes and associated recovery factors are considered appropriate to support mineral reserve and mineral resource estimation and mine planning.
11MINERAL RESOURCE ESTIMATE
Mineral resources are evaluated using the application of technical and economic factors to a geologic resource block model to generate digital surfaces or solids of mining limits, using specialized geologic and mine planning computer software. The resulting surfaces or solids volumetrically identify material as potentially economical, using the assumed parameters. Mineral resources are the resultant contained metal inventories.
11.1Resource Block Model
Relevant geologic and analytical information is incorporated into a three-dimensional digital representation referred to as a geologic resource block model. Mineral resources at PT-FI are based on block models for each of the following mining areas:
GRSKL including GBC and the depleted GRS_OP.
EESS incorporating DMLZ, GBT open-pit, Dom and depleted GBT, IOZ, DOZ.
BG.
The resource block models for PT-FI were updated in August 2021 and contain all drilling results available by mid-July 2021. Each block model is discussed in the following subsections with a focus on major metals.
11.1.1Compositing Strategy
PT-FI uses 15-meter length composites starting at the collar for GRSKL and EESS. Several items are composited including metals, SG, and magnetic susceptibility. A minimum recovered length of 4.5-meter intact core within a 15-meter composite is required for the composite to be used for grade estimation. Composites with poor core recovery are rejected during the estimation process. Composites are not split or broken at geologic boundaries.
BG has a smaller selective mining unit and therefore a shorter, 5-meter length composite broken by geologic boundaries.
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Prior to estimation, composites are flagged by rock type and alteration. Composites are also capped at a maximum value with differing caps for copper, gold, and silver for each estimation domain for each ore body.
11.1.2Statistical Evaluation
Industry standard geostatistical approaches are used in addition to ore body knowledge from PT-FI geologists in evaluating the geologic model.
Geostatistical analysis of drill hole data is evaluated using classical statistical parameters (mean, standard deviation, number of samples, etc.). Histograms and cumulative frequency plots are used to conduct detailed analyses of sample population data. Assay and composite statistics are compared for each domain.
Outlier evaluations are performed using log probability plots as well as visual checks to determine capping levels. In many cases, a second level of outlier restriction is applied during estimation where composite values above a certain “high-yield threshold” cannot influence a block estimate beyond a distance which is smaller than the full distance specified by the search ellipse. Contact plots are used to analyze boundaries between the various domains.
Geologic continuity is determined using correlograms, pair-wise-relative, and/or variogram models. Drill hole data is assessed along multiple orientations for each estimation domain for copper, gold, and silver. The nugget is derived from downhole variogram models. Search ellipse anisotropy ratios in most cases conform directly to the anisotropy ratios of the correlogram/variogram models for the respective estimation domain. As a general rule, the search distances conform to 2/3 of the variogram in mineralized estimation zones.
11.1.3Block Model Setup
The GRSKL and EESS block models have 15 by 15 by 15 meter block sizes, providing adequate resolution for engineering and production. This block size is appropriate for porphyry copper mineralization, drill hole spacing, and block cave mining. The mineralization of the BG ore body is narrow and requires a smaller 5 by 5 by 5 meter block size to accommodate more selective stope mining.
Details of the block model setup are shown in Table 11.1.
Table 11.1 – Grasberg Minerals District Block Model Dimensions
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UTM= Universal Transverse Mercator
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Each block model is rotated following the major stratigraphy direction of the district as shown in Figure 11.1 and Figure 11.2.
Figure 11.1 – Block Model Extents with Reserve Shapes (Plan View)
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Figure 11.2 – Block Model Extents with Reserve Shapes (Looking NE)
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11.1.4Topography
Topography for the original pre-mine and estimated end of year (including the depleted open-pit mining and expected block cave subsidence zones) topographic surfaces are coded in the block model, as shown in Figure 11.3.
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Figure 11.3 – Topography and Block Model Limits
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11.1.5Geologic Model Interpretation
The regional geologic model is maintained by the Geologic Data Management group at the PT-FI jobsite and is updated on a quarterly basis. Annual resource model updates require the geologic model that is provided to the resource estimation group includes updated interpretations based on the latest data available.
The three-dimensional model covers the Grasberg minerals district and uses drill hole logs and underground mapping to construct wireframes for the following:
Stratigraphy.
Intrusions.
Alteration.
Faults.
Geology interpretation is done on cross sections perpendicular to the regional strike and are guided by level-plan contours. Cross section spacing varies depending on the level of detail required for each wireframe.
11.1.6Grade Estimates
Structural, lithological, and mineralized/unmineralized wireframes are combined to create estimation domains. Cutoffs reflecting mineralization boundaries are low enough to not
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interfere with the continuity of the grade distribution at the economic cutoff grade and high enough to demarcate a reasonable limit of potential economic mineralization.
Estimation for copper, gold, and silver are interpolated using Ordinary Kriging (OK) and include a high-yield restriction to manage high-grade outliers in addition to capping. GRSKL additionally uses Locally Varying Anisotropy within the main intrusive units to better capture the “horseshoe-like” geometry of the ore body.
The following are general parameters used for the OK estimation of copper, gold, and silver:
Minimum of 3 and maximum of 10 composites.
Maximum of 4 composites per drill hole.
Search ellipse radius along major directions of continuity reduced to 2/3 of the variogram range.
High-yield samples ranges are additionally restricted using a smaller search radius, further limiting the influence of high-grade samples.
In general, hard boundaries are used for mineralized/unmineralized domains and between sedimentary and intrusive units. Soft boundaries are used in certain circumstances, such as in BG between the shale/limestone units due to the thin bedding of the shale unit.
A background detection limit grade is assigned for copper, gold, and silver for unestimated blocks. Models are validated using both visual and geostatistical methods.
11.1.7Bulk Density
Bulk density or in-place dry density is estimated based on the measured density values for each drill hole interval. SG is composited to 15 meters for block caves and 5 meters for open stope mines separated by estimation zones and values are then converted to final bulk density. The procedures applied are identical in all PT-FI deposits. The main steps for the bulk density process are:
The uncorrected density and bulk density factor are estimated by OK method.
A factor is developed from geomechanical data which incorporates RQD, percent broken, and percent crushed to approximate the voids ratio in the rock mass.
The final bulk density for mineral reserve and mineral resource estimation is the reduced density by the correction factor.
11.1.8Mineral Resource Classification
Mineral resources are classified into categories of measured, indicated, and inferred. Each category represents a decreasing level of confidence in the estimation of grade values. Measured, indicated, and inferred blocks are classified according to geological continuity, distance to the closest sample, number of drill holes, and the Kriging variance derived during the estimation of copper grades for each ore body.
Measured requires a minimum of 2 drill holes contributing data to the estimate, statistically established distance to the nearest composite and Kriging variance below a defined measured threshold.
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Indicated requires a minimum of 2 drill holes contributing data to the estimate, statistically established distance to the nearest composite and Kriging variance below a defined indicated threshold.
Inferred requires only 1 drill hole, beyond indicated distance and a Kriging variance threshold.
Inferred blocks have their grades set for the final reported variables used in the determination of mineral reserve to the analytical detection limit (near zero). Detailed classification parameters are shown in Table 11.2.
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Table 11.2 – Summary of Resource Classification Criteria for Mineralized Domains
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11.1.9Model Validation and Performance
The geologic resource model is evaluated by visual inspection, statistical analyses, comparison to previous models and to production data. Block model values and drill hole data are visually examined. The review verifies that areas of high-grade and low-grade blocks and samples align with ore body knowledge. These inspections have shown that block model values compare well with the drill hole composites.
Statistical analyses such as mean, standard deviation, minimum, maximum, and coefficients of variation along with cumulative frequency plots are used to validate the interpolated blocks against drill hole composites, grade-tonnage curves, and reconciliation to production. Block model OK results are compared with the composite data and nearest neighbor estimates. Variable estimations are compared to previous years estimates. Models are exchanged with other members of the resource group for peer review.
A third-party consultant conducts an annual review of the resource models and estimation processes and provides a verification report. The review concluded that the methods and procedures used by PT-FI for mineral resource and reserve evaluation are performed in a manner consistent with good engineering and geologic practice.
FCX corporate standards are that the resource model should be within 10 percent of production for tonnage, grade, and contained or recoverable metal over a 12-month period. The models for PT-FI meet FCX standards.
11.1.10Comment on Geologic Resource Model
In the opinion of the QP:
The resource model has been completed using accepted industry practices.
The model is suitable for estimation of mineral reserves and mineral resources.
The model is adequate to provide reliable inputs to mine planning, geomechanics and metallurgy.
The PT-FI geology staff has a good understanding of the lithology, structure, alteration, and copper mineral types in the district. The understanding of the controls on mineralization are adequate to support estimation of mineral reserves and mineral resources.
The understanding and interpretation of ore types based on copper-gold mineralogy is a key component to supporting classification of mineral reserves and mineral resources by process method.
11.2Resource Evaluation
Mineral resource estimates are developed by applying technical and economic modifying factors to the geologic block model to identify material with potential for economic extraction. The process of evaluation is iterative involving an initial draft using the assumptions, understanding the implications of the resulting economical mining limits, and adjusting the assumptions as warranted for subsequent evaluations.
Mineral resource estimates are determined using measured, indicated, and inferred classified materials as viable ore sources during evaluations with the modifying factors.
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11.2.1Economic Assumptions
FCX executive management establish reasonable long-term metal pricing to be used in determining mineral reserves and mineral resources. These prices are based on reviewing external market projections, historical prices, comparison of peer mining company reported price estimates, and internal capital investment guidelines. The long-term sale prices align the company’s strategy for evaluating the economic feasibility of the mineral reserves and mineral resources.
Unit costs are derived from current operating forecasts benchmarked against historical results and other similar operations. Additional input from appropriate internal FCX departments such as Global Supply Chain, Sales and Marketing, and Finance and Accounting are considered when developing the economic assumptions.
To recognize the relationship between commodity prices and principal consumable cost drivers, FCX scales unit costs to reflect the cost environment associated with the reported metal prices. This is evidenced in the differences in economic assumptions between mineral reserves and mineral resources.
The metal price and cost assumptions are used over the timeframe of the expected life of the mine and reflect steady state operating conditions in the metal price cost environment. Details of the economic assumptions are outlined in Table 11.3.
11.2.2Processing Recoveries
Processing recoveries are outlined in Section 10.
11.2.3Physical Constraints
The evaluation of the resource is within the IUPK boundary and there are no physical constraints considered.
11.2.4Cutoff Grades
A cutoff grade is used to determine whether material should be mined and if that material should be processed as ore or left unmined.
The mine planning software evaluates the revenue and cost for each block in the block model to determine the value, using the provided assumptions. The following formula demonstrates how the cutoff grades are determined.
Internal cutoff grade = Sum of [processing costs + general site and sustaining costs] / Sum of [payable recoverable metal * (metal price – metal refining and sales costs)]
A break-even cutoff grade calculation is similar to the internal cutoff grade formula but includes mining costs. Blocks with grades above the break-even cutoff grade generate positive value, while blocks with grades above the internal cutoff grade minimize negative value. The cutoff grades reported for mineral resources reflect the internal cutoff grades based on the software results.
Input parameters are applied to individual deposits and distinct ore types as appropriate. Unique parameters can result in distinct cutoff grades. Cutoff grades are reported in
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terms of EqCu defining the relative value of all commercially recoverable metals in terms of copper by ore processing methods.
An internal cutoff grade is used as the lower limit for consideration for ore/waste selection when there is incremental ore processing capacity available and the incremental feed can be accessed without any incremental capital input.
In the block caves, a similar situation arises for incremental ore that can be produced from an existing drawpoint. In this case, the assumption is that as long as there are no additional costs associated with maintaining the drawpoint, then lower grade increments can be pulled and processed as long as they fill spare capacity and provide a marginal benefit to the project. For the block caves, it is unreasonable to expect that continued draw from depleted drawpoints can be sustained before repair and redevelopment costs begin to arise. Therefore, overpull of significant incremental tonnages cannot be justified at the internal cutoff beyond the expected life of the drawpoint. Delineation of an incremental “overpull” resource, above a block cave’s planned height of draw must recognize the incremental costs associated with maintaining the draw infrastructure beyond its planned life.
This approach provides realistic economic criteria for defining overpull resources. Overpull resources represent an opportunity to the operation should circumstances allow for its production. As a block cave’s production level is abandoned, the overlying portion of the overpull resource is extinguished.
Conceptually the cutoff grade for overpull should be higher than the internal cutoff grade for each mine, but smaller than the breakeven cutoff grade for determining resources outside of already developed mining areas.
The assumption is that there would be higher mining costs associated with producing ore from these overpulled drawpoints.
These higher costs would include more extensive drawpoint and panel repair, increased wet muck production, possibly requiring a minimum economic recovery and other factors that result from mining of very high, mature draw columns in an aging production block.
11.2.5Economic and Technical Assumptions
The economic and technical assumptions used for the generation of potentially economical mining limits for mineral resources are summarized in Table 11.3.
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Table 11.3 – Economic and Technical Assumptions for Mineral Resource Evaluation
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It is noted in comparison of current metal prices, mineral reserve and mineral resource price estimates reported by peer mining companies, and market analyst forecasted long-term prices that the assumed price of copper could be considered conservative. Although these sources serve as reference points, higher metal prices and associated costs indicate that additional mineral resources would be profitable in higher metal price environments thus extending the projected life of the mine. As such, the copper price assumptions are considered appropriate for determining mineral reserves and mineral resources.
11.3Mineral Resource Statement
The mineral resource estimate is the inventory of material identified as having a reasonable likelihood for economic extraction inside the mineral resource economical mining limit, less the mineral reserve volume, as applicable. The modifying factors are applied to measured, indicated, and inferred resource classifications to evaluate commercially recoverable metal. As a point of reference, the in-situ ore containing copper, gold, and silver metal are inventoried and reported by ore body.
The reported mineral resource estimate in Table 11.4 is exclusive of the reported mineral reserve, on a 100 percent property ownership basis. The mineral resource estimate is based on commodity prices of $3.00 per pound copper, $1,200 per ounce gold, and $20 per ounce silver.
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Table 11.4 – Summary of Mineral Resources
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Extraction of the mineral resource may require significant capital investment, specific market conditions, expanded or new processing facilities, additional material storage facilities, changes to mine designs, or other material changes to the current operation.
In the opinion of the QP, risk factors that may materially affect the mineral resource estimate include (but are not limited to):
Metal price and other economic assumptions.
Changes in interpretations of continuity and geometry of mineralization zones.
Changes in parameter assumptions related to the mine design evaluation including geotechnical, mining, processing capabilities, and metallurgical recoveries.
Changes in assumptions made as to the continued ability to access and operate the site, retain mineral and surface rights and titles, maintain the operation within environmental and other regulatory permits, and social acceptance to operate.
Uncertainty in geological resource modeling is monitored by reconciling model performance against actual production results, as part of the FCX geologic resource model verification process.
11.4Comment on Mineral Resource Estimate
The mineral resource estimate has been prepared using industry accepted practice and conforms to the disclosure requirements of S-K1300. Mineral reserve and mineral resource estimates are evaluated annually providing the opportunity to reassess the assumed conditions. Although all the technical and economic issues likely to influence the prospect of economic extraction of the resource are anticipated to be resolved under the stated assumed conditions, no assurance can be given that the estimated mineral resource will become proven and probable mineral reserves.
12MINERAL RESERVE ESTIMATE
Mineral reserves are summarized from the LOM plan, which is the compilation of the relevant modifying factors for establishing an operational, economically viable mine plan. The LOM plan incorporates:
Scheduling material movements for ore and waste from designed final mining excavation plans with a set of internal development sequences, based on the results of the resource evaluation process.
Planned production from scheduled deliveries to processing facilities, considering metallurgical recoveries, and planned processing rates and activities.
Capital and operating cost estimates for achieving the planned production.
Assumptions for major commodity prices and other key consumable usage estimates.
Revenues and cash flow estimates.
Financial analysis including tax considerations.
Mineral reserves have been evaluated considering the modifying factors for conversion of measured and indicated resource classes into proven and probable reserves. Inferred resources are considered as waste in the LOM plan. The details of the relevant modifying factors included in the estimation of mineral reserves are discussed in Sections 10 through 21.
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The LOM plan includes the planned production to be extracted from the in-situ mine designs.
12.1Cutoff Grade Strategy
The cutoff grade strategy is a result of the mine plan development, determined by the economic evaluation of the mineral reserves via strategic long-range mine and business planning. Economic cutoff grades are determined from the LOM planning results and can vary based on processing throughput expectations, ore availability, future ore and overburden or waste requirements, and other factors encountered as the mine operates. This approach is consistent with accepted mining industry practice. Cutoff grades reported are the minimum grades expected to be delivered to a processing facility.
12.2Economic and Technical Assumptions
The economic and technical assumptions used in the generation of economical mining limits for mineral reserves are summarized in Table 12.1. Economic reserve assumptions are developed in the same manner as the resource evaluation described in section 11.2.1.
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Table 12.1 – Economic and Technical Assumptions for Mineral Reserve Evaluation
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*BG uses an elevated cut-off grade of 1.70% EqCu for mineral reserves.
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12.3Mineral Reserve Statement
As a point of reference, the mineral reserve estimate reports ore inventories from the LOM plan containing copper, gold, and silver metal and reported as commercially recoverable metal.
Table 12.2 summarizes the mineral reserves reported on a 100 percent property ownership basis. The mineral reserve estimate is based on commodity prices of $2.50 per pound copper, $1,200 per ounce gold, and $15 per ounce silver.
Table 12.2 – Summary of Mineral Reserves
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In the opinion of the QP, risk factors that may materially affect the mineral reserve estimate include (but are not limited to):
Metal price and other economic assumptions.
Changes in interpretations of continuity and geometry of mineralization zones.
Changes in parameter assumptions related to the mine design evaluation including geotechnical, mining, processing capabilities, and metallurgical recoveries.
Changes in assumptions made as to the continued ability to access and operate the site, retain mineral and surface rights and titles, maintain the operation within environmental and other regulatory permits, and social acceptance to operate.
As confirmation of the mineral reserve and resource process, third-party consultants reviewed and verified the mineral reserve estimate for the Grasberg minerals district concluding that the consultant “has formed the opinion that the PT-FI reserve estimates
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are within the limits of acceptable engineering error and that the estimated reserves conform to the definitions within S-K1300”.
The positive economics of the financial analysis of the LOM plan demonstrate the economic viability of the mineral reserve estimate.
12.4Comment on Mineral Reserve Estimate
The mineral reserve estimate has been prepared using industry accepted practice and conforms to the disclosure requirements of S-K1300. Mineral reserve and mineral resource estimates are evaluated annually, providing the opportunity to reassess the assumed conditions. All the technical and economic issues likely to influence the prospect of economic extraction are anticipated to be resolved under the stated assumed conditions.
Mineral reserve estimates consider technical, economic, and environmental, and regulatory parameters containing inherent risks. Changes in grade and/or metal recovery estimation, realized metal prices, and operating and capital costs have a direct relationship to the cash flow and profitability of the mine. Other aspects such as changes to environmental or regulatory requirements could alter or restrict the operating performance of the mine. Significant differences from the parameters used in this TRS would justify a re-evaluation of the reported mineral reserve and mineral resource estimates. Mine site administration and FCX dedicate significant resources to managing these risks.
13MINING METHODS
The Grasberg minerals district has a long operational history and mining conditions are well understood by jobsite and FCX corporate staff. All of the currently active operations are underground mines. The mining method for each reserve is as follows:
GBC: block/panel cave mine.
DMLZ: block/panel cave mine.
BG: open stope mine.
KL: block/panel cave mine.
13.1Mine Design
Many mine method parameters are applied at PT-FI to prepare mine designs, based on over 40 years of underground production experience. A few generalities exist, such as undercut placement over the production drifts, production level layouts, ore pass locations, chute cutouts, general ventilation requirements, and drain level locations. However, most of the final design involves numerous iterations, with input from operations, in order to best meet operational and cost objectives. Once the final design is approved, minor changes can occur without disruption to the operational development process, as development mining of the infrastructure and main levels is executed several years ahead of placing the initial portion of the ore panels into active production.
Mine designs are developed using specialized mine design computer software.
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13.1.1Mine Design Parameters
Geomechanical recommendations for each of the operating mines are determined and reviewed by FCX engineers and third-party consultants. These recommendations are based on comprehensive geomechanical testing, studies, and the geomechanical monitoring procedures in the field.
The geomechanical properties of the rock determine the rock parameters for the panel cave design and all other underground facilities. The rock mass response of these properties to the mining process are considered when designing the mining method and setting the reserves at each mine.
13.1.2Geomechanical and Hydrological Modeling
The rock stability of the underground mines is monitored with a variety of geomechanical piezometer instrumentation and sensors. The geomechanical instruments measure the movement in the rock and the measurements are used to monitor and manage any movement and stability concerns. Typical instrumentation includes time-domain reflectometry, open-hole camera monitoring, radar units, scanning units, and seismic monitoring. Groundwater is monitored to check flow and pressure to help manage any safety and stability concerns.
13.1.3Final Mine Design
Using specialized computer software, mine designs are developed with key considerations that include:
Compliance with the geomechanical recommendations.
Implementation of geomechanical model data, including general geology, in-situ rock properties, structural data, and mass classification.
Proper geometric dimensioning for underground structures, such as pillars, stopes, and openings.
Access for entry and egress.
Underground roadways design.
Mechanization and efficiencies, such as matching equipment and fleets.
Ventilation requirements.
Dilution considerations.
Infrastructure and supplies.
Mine designs are reviewed for compliance to key parameters and reasonableness with comparison to historical and current operating practices. Figure 13.1 is a three-dimensional perspective view of the Grasberg minerals district showing the layout and mineral reserve shapes of the mines.
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Figure 13.1 – Perspective View of the Grasberg Minerals District Underground Mines
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During 2021 there were four active underground mining operations in the Grasberg minerals district: GBC (ultimately targeting 135,000 metric tons of ore per day), DMLZ block cave mine (ultimately targeting 80,000 metric tons of ore per day), and BG open stoping operation (targeting 7,000 metric tons of ore per day), and DOZ block cave mine (targeting 20,000 metric tons of ore per day). The KL ore body is another large caving operation that started development in 2021 and PT-FI anticipates will begin ore production in 2028. The GRS_OP was in production from 1990 to 2019. The concentrating plant has a planned peak capacity of approximately 240,000 metric tons of ore per day.
13.2Mine Plan Development
The mine plan is developed based on supplying ore to the processing facilities. The mine production schedule is produced using specialized industry software. The software evaluates the block model and applies various mixing mechanisms such as fines migration, rilling, toppling, and vertical movement of material. The algorithms that control this mixing are proprietary to the software, based on over 30 years of development and standard practice in the industry. Numerous inputs allow customization of the mixing properties and calibration to actual cave performance. With the mixing model created, the software produces a production schedule based on planned production rates,
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drawpoint opening sequence, estimated draw rates, and other inputs. The production schedule reports the tonnage and grade per time period and is used for the metal forecasting process.
The Grasberg minerals district is one of the largest producing underground operations in the world. No stripping is required as all production is generated from underground mining. Underground mine development is typically between 35 and 40 kilometers of tunneling annually. The BG mine uses an open stoping with paste backfill method and typically emplaces between 600,000 to 700,000 cubic meters of paste per year.
Dilution of the reserve is accounted for by modeling the entry of material into the mixing model from previously caved zones and open-pit failures. The mine plan is scheduled to achieve a total of 240,000 metric tons of ore per day as the different mining operations ramp-up. This is expected to be achieved from four operating mines supplying ore to the mill: GBC, DMLZ, BG and KL.
The mine production rate and expected mine life are illustrated in Figure 13.2.
Figure 13.2 – Tonnage Per Day by Operating Mine
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13.3Mine Operations
Mine unit operations include drilling, blasting to develop access, undercuts, drawbell development, ore raise development, drawpoint development, cave initiation, as well as loading and hauling. Support equipment is used for maintaining underground access roads, underground crushers, conveyors, and other mine services.
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Required underground mining equipment varies by individual operation and includes that equipment required to develop and construct the mines as well as production support. The primary mining fleet consists of load-haul-dump loaders with 11 metric ton capacity and haul trucks with 55 to 60 metric ton capacity.
The site is in operation with experienced management and sufficient personnel. The mine operates 365 days per year on a 24 hour per day schedule. Operational, technical, and administrative staff are on-site to support the operation. As of December 31, 2021, the underground mine division has approximately 5,200 employees.
14PROCESSING AND RECOVERY METHODS
The process facilities operate 365 days per year with exceptions for maintenance. The facilities have a long operating history. FCX and PT-FI anticipate that the site will have adequate energy, water, process materials, and permits to continue operating throughout the LOM.
14.1Concentrator Processing Description
The concentrator facilities located at MP74 are at an elevation of 2,800 to 2,900 meters above sea level and approximately 110 kilometers from the portsite dewatering and shipping facilities. The concentrators treat primary crushed ore conveyed from underground mines to surface stockpiles at MP74.
The first processing facilities treating Ertsberg pit ores were commissioned in 1973 and have seen incremental capacity enhancements over the years. Ore is processed in the mill, which produces a copper concentrate by flotation. Ore is delivered from the mine to an underground primary crusher where it is crushed and then conveyed to coarse ore mill stockpiles that feed the concentrators. Ore is conveyed from the mill stockpiles to the copper concentrators.
Ore enters the C1/C2 concentrator, where the secondary crushers accept scalped feed and are followed by a tertiary crushing circuit operating in closed circuit with vibrating screens, which provide the initial size reduction. Scalped screen undersize slurry, known as crusher slurry, is fed to hydrocyclones ahead of the C1/C2 ball mill circuit, with the classified fines fraction reporting directly to flotation, bypassing ball milling, and the classified coarse fraction to ball mill feed. A portion of the crusher slurry can also be transferred to the C3/C4 ball mill grinding circuit. Tertiary crusher screen undersize is fed to the High-Pressure Grinding Roll (HPGR). HPGR product is delivered to fine-ore storage bins for ultimate feed to the ball mill circuit. Ball mill discharge slurry is pumped to hydrocyclones where it is classified. The hydrocyclone underflow (coarse fraction) returns to ball mills for further grinding. A slipstream of the hydrocyclone underflow reports to the Knelson gravity circuit to improve coarse gold recovery. The hydrocyclone overflow (fine fraction) reports to rougher flotation for copper and gold recovery. Rougher concentrate advances to regrind mills and cleaner flotation to produce a final concentrate. A slipstream of regrind hydrocyclone underflow reports to a Knelson gravity circuit to improve gold recovery. Knelson concentrate is combined with the final flotation concentrate.
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For the C3/C4 concentrator, ore enters the primary grinding circuit, where it is processed through a semi-autogenous grinding (SAG) mill. SAG mill product discharges onto vibrating screens. The screen oversize is conveyed to cone crushers, where pebbles are crushed before being recycled back to the SAG mill feed. An option exists to direct the crushed pebbles to the vibrating screens. The screen undersize is pumped to hydrocyclones where it is classified. The majority of hydrocyclone underflow (coarse fraction) reports to ball mills for further grinding. A slipstream of the hydrocyclone underflow reports to the Knelson gravity circuit to improve coarse gold recovery. The ball mill discharge mixes with Knelson wet screen undersize before being pumped back to the hydrocyclones. The hydrocyclone overflow (fine fraction) reports to rougher flotation for copper and gold recovery. Rougher concentrate advances to regrind mills and cleaner flotation to produce a final copper and gold concentrate. A slipstream of regrind hydrocyclone underflow reports to a Knelson gravity circuit to improve gold recovery. Knelson concentrate is combined with the final flotation concentrate.
The nominal processing rate used in the LOM plan is provided in Table 14.1.
Table 14.1 – Summary of Processing Facilities
FacilityPurpose / Comments / Capacity
Concentrators 1 and 2Commonly referred to as C1/C2 or the North/South concentrators. Size reduction is achieved with 2 secondary crushers on scalped feed, followed by 8 tertiary crushers in closed circuit with screens, then 2 HPGRs in quaternary crushing duty, followed by 8 ball mills prior to rougher and then cleaner flotation. Combined milling capacity is approximately 65k dmt per day.
Concentrator 3Commonly referred to as C3 or the SAG1 concentrator. SAG mill in closed circuit with a pebble crusher followed by 2 parallel ball mills for size reduction prior to rougher and cleaner flotation. Milling capacity is approximately 34k dmt per day.
Concentrator 4Commonly referred to as C4 or the SAG2 concentrator. SAG mill in closed circuit with 2 pebble crushers followed by 4 parallel ball mills for size reduction prior to rougher and cleaner flotation. The C3 and C4 concentrators share a common cleaner circuit located in the C3 concentrator building. Milling capacity is approximately 75k dmt per day.
Concentrate Pumphouse and PipelineThickeners, storage tanks, positive displacement pumps and carbon steel slurry pipeline (3x 6” diameter, 1x 5” diameter) to deliver copper concentrate to dewatering plant facilities at portsite. Nominal capacity is approximately 3.0M dmt per year.
Dewatering Plant3 vacuum and 2 pressure filtration systems to reduce moisture content from 65% solids to less than 9.8% moisture. Nominal capacity is approximately 2.7M dmt per year.
Ship LoadingStorage barns, conveyors, loading dock and lightering barge to load copper concentrate to bulk cargo vessels for sale globally. Nominal capacity is approximately 3.0M dmt per year.
Copper concentrate from all concentrators is thickened before it advances to the pumphouse to be delivered by pipeline to the port facilities. At the portsite, the dewatering plant filters and stores the final product in a concentrate storage building. Copper concentrate is then loaded onto bulk cargo ships for global sale to off-site smelters.
Milled material that does not float is called tailings and has a low-value mineral content. Flotation tailings advance to tailings thickeners where process water is recovered and recycled back to the concentrators. Thickened tailings flow by gravity to the tailings
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storage facility known as the ModADA. Limestone is added to the mill feed as needed to maintain the neutral geochemistry of the mill tailings.
Figure 14.1 provides a simplified schematic of the C1 and C2 concentrators. Figure 14.2 provides a simplified schematic of the C3 and C4 concentrators.
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Figure 14.1 – Current C1 and C2 Concentrators Schematic
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Figure 14.2 – Current C3 and C4 Concentrators Schematic
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The processing facility performance is reviewed regularly, and adjustments are made as necessary to improve performance and reduce costs.
14.2Processing Requirements
The PT-FI mill has been operating since 1973 and all equipment and processes are proven in an industrial application. Adequate supplies for energy, water, process materials, and sufficient personnel are currently available to maintain operations and are anticipated throughout the LOM plan. Process materials are provided to the jobsite on an as-needed basis through the FCX and PT-FI global supply chain departments. The actual consumption of key processing supplies varies depending on ore feed and operating conditions in the plants. Table 14.2 includes the typical ranges of consumption for key processing requirements.
Table 14.2 – Processing Facilities Consumables
ParameterTypical Value
Energy for Process (kWh/t ore)24
Fresh Water (gpm)31,000
Process Water Recycle (gpm)77,700
Mill Liners (kg steel/t ore)0.06
Grinding Balls (kg steel/t ore)1.1
Primary Collector (g/t ore)40
Secondary Collector (g/t ore)15
Frother (g/t ore)20
Lime (kg/t ore)1.0
Flocculant (g/t ore)13.0
Diesel (gal/t copper concentrate)
2.3
Consumable and personnel requirements for the processing facilities are expected to be near current levels in the near-term with variation dependent on production levels in the various unit operations. As of December 31, 2021, the MP74 concentrating area and portsite dewatering plant had 631 PT-FI employees and 1,121 contractors for a total staffing of 1,752.
14.3Future Processing Capital Projects
The projects listed below are included in the LOM plan and are necessary to achieve the stated mill tonnages, recoveries, and concentrate grades. The process design criteria is informed by data from laboratory testing at bench scale and if necessary, at the pilot plant scale:
SAG3
SAG3 is required to maintain total mill capacity in line with the historical nominal value of 240,000 metric tons of ore per day. This is because the underground ore is not transferred to the mill via ore passes of 600-meter vertical height which naturally provides a significant amount of gravity assisted comminution, as was the case for the now depleted Grasberg open-pit ore. SAG3 is expected to be operational in 2023.
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Copper Cleaner
The current SAG concentrator copper cleaner circuit is undersized for the higher rougher concentrate production volumes associated with GBC and KL ore due to higher pyrite levels than previously experienced with open-pit ores.
The new copper cleaner will improve concentrate grade and recovery by increasing rougher flotation capacity, adding regrind power with the use of high intensity grinding mill technology to improve mineral liberation, and installing a new 2-stage cleaner using staged flotation reactor cell technology. The new GBC copper cleaner is planned to be operational in 2024.
The GBC cleaner is planned to be expanded for 2026 and again in 2032 in order for it to be able to treat additional volume of rougher concentrate generated by KL ore.
Pyrite Cleaner and Pyrite Tailings Storage
In order to maintain the mill tailings at neutral geochemistry with a 50 percent factor of safety during the mine life, a pyrite flotation circuit is planned to be online in 2029. This circuit will treat copper cleaner tailings to float a stream known as pyrite tailings. The pyrite tailings will be pumped to the lowlands via slurry pipelines to a pyrite tailings storage facility. The balance of the cleaner tailings will report to the normal mill tailings stream.
Vertical Pressure Filter #3 (VPA3)
The current filtration capacity of the dewatering plant at portsite is 2.7 million dry metric tons per annum.
A third pressure filter is in progress to provide capacity up to and beyond the in-country smelting constraint of 3.0 million dry metric tons per annum. VPA3 is expected to be operational in 2023.
A fourth VPA (VPA4) is planned for 2032 to treat increased levels of concentrate production. The VPA3 layout allows for the installation of VPA4.
Makaha Lime Plant:
A 200 tpd expansion of the Makaha lime plant that produces milk-of-lime, a reagent, used for pH adjustment in flotation is planned for operation in 2029.
15SITE INFRASTRUCTURE
The site infrastructure at PT-FI has been established over the history of the project and supports the current operations. The current major mine infrastructure includes: waste rock storage facilities, temporary stockpiles, riverine tailings management system, power and electrical systems, water usage systems, various on-site warehouses and maintenance shops, and offices required for administration, engineering, maintenance and other related mine and processing operations. The communication system at PT-FI includes internet and telephone access connected by hard-wire, fiberoptic, and mobile networks. Access to the property is discussed further in Section 4 of this TRS. The general location of the site infrastructure is shown in Figure 15.1 and Figure 15.2.
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Figure 15.1 – Site Infrastructure Plan View
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Figure 15.2 – Site Infrastructure Cross Section
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15.1Waste Rock Storage Facilities
Waste rock stockpiles are used to store overburden and other waste rock materials that was produced during the development and production of the now depleted open-pit mine. The transition to underground mining was completed in 2019, eliminating the need for new overburden stockpiles. As of December 31, 2021, PT-FI continues reclamation of the West Wanagon overburden stockpile. Other highlands stockpiles are being regraded and the top surface capped with limestone. Monitoring of the stockpiles and storm water runoff will continue through the life of operations.
15.2Mill Stockpiles
Ore is delivered from the mine to an underground primary crusher where it is crushed and then conveyed to coarse ore mill stockpiles that feed the concentrators. Ore is conveyed from the mill stockpiles to the copper concentrators.
15.3Controlled Riverine Tailings Management
PT-FI operates a controlled riverine tailings management system called the ModADA located on the southern coastal plain of the island of Papua, Indonesia. Tailings produced at the mill in the highlands are transported roughly 45 kilometers downstream to the ModADA in the lowlands with an elevation of 0 to 150 meters by way of a steep, unnavigable river that originates near the mill. Deposited sediments in the ModADA comprise tailings from the mill and other mine-derived sediments, as well as naturally occurring sediment produced from erosive processes typical for the area. Engineered levees to the east and west of the ModADA running a total length of approximately 120 kilometers laterally contain depositing sediments in the land and estuary portions of the permitted deposition area.
The current ModADA levee system has been constructed over a period of many years and will continue to be constructed in future years for mill tailings management and flood protection. Trained site engineers and construction quality assurance crews conduct inspections of the levee system.
15.4Power and Electrical
The Grasberg minerals district electrical power is supplied by a 198MW coal-fired plant at portsite and 130MW of diesel generator capacity located at the mill. A twin circuit 230kV transmission line connects the portsite area and main power plants to the mill and mine operations areas.
There is 30MW of installed power generating capacity (25MW of firm capacity) and a 20kV distribution system that provides power for the lowlands support areas including MP38, Lowlands Industrial Park and Kuala Kencana.
One of PT-FI’s partners provides expertise in the area of maintaining and operating its power plants.
To support the additional energy requirements as result of the ramp-up of the underground mines, PT-FI is constructing a new 129MW DFPP at the portsite to provide an additional 129MW of firm capacity to support the increased power requirements as the underground mine ramp-up, and will allow the existing diesel generators to be transitioned to provide only back up and peaking requirements. The DFPP is designed
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using high-efficiency dual fuel reciprocating engines on a flexible platform that can operate on either diesel fuel or natural gas, providing PT-FI future optionality to adjust the fuel type and increase plant capacity.
15.5Water Usage
Water sources for the project are a combination of naturally occurring mountain streams and water derived from our underground operations.
Potable and domestic use water is sourced from the fresh water supply and distributed using a network of pipelines. Process facilities operate using a combination of fresh and recycled water from the concentrator dewatering system and outflows from the underground mines. The underground mines utilize water sourced from dewatering activities.
15.6Product Handling
Steel pipelines are used to transport copper concentrate from the mill to the dewatering and storage barn facilities at portsite. The concentrate is pumped in these pipelines to a ridge above the Tembagapura townsite from which it flows by gravity to the portsite. The pipelines are buried or laid on the shoulder of the access road.
Ship loading facilities transport the dried concentrate (dried to 9 percent moisture for dust control) from the storage barns to the dock at the portsite facilities in Amamapare, Papua. Incoming freight and fuel are also unloaded at a separate cargo dock at portsite for delivery to their ultimate destinations in the lowlands, Tembagapura, the mill area, or the mines.
15.7Logistics, Supplies, and Site Administration
The operation has common management and services, as well as a logistics network that includes warehouses, vehicles, and personnel required to distribute and store the large quantity of supplies used by the operation and its workforce. A bus service is provided to the workplaces. Helicopters service day-to-day operations and the exploration activities. Planes operated by a privatized partner and commercial flights provide routine transportation to Jakarta and other Indonesian cities.
PT-FI has ships under PT-FI control to transport fuel, supplies, and general cargo to the site. PT-FI maintains a number of purchasing offices in Indonesia as well as in Singapore and the U.S. Warehouses are maintained at various locations throughout the site.
The remote location of the project requires that the operation be completely self-sufficient with an infrastructure capable of sustaining over 20,000 employees and contractors, along with many of their dependents. As such, supporting infrastructure has been built, improved, and expanded over the life of the project, including townsites providing employees with services ranging from retail stores, restaurants, residential facilities, schools, libraries, banks, postal services, training and recreational facilities, and health service facilities.
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16MARKET STUDIES
The Grasberg mine produces copper in a concentrate, with gold and silver also contained in the concentrate.
16.1Market for Mine Products
Copper is an internationally traded commodity and its prices are determined by the major metal exchanges. Prices on these exchanges generally reflect the worldwide balance of copper supply and demand and can be volatile and cyclical. In general, demand for copper reflects the rate of underlying world economic growth, particularly in industrial production and construction. FCX believes copper will continue to be essential in these basic uses as well as contribute significantly to new technologies for clean energy, to advance communications and to enhance public health.
Gold and silver are used for jewelry, coinage, and bullion as well as various industrial and electronic applications. Gold and silver can be readily sold on numerous markets throughout the world. Benchmark prices are generally based on London Bullion Market Association (London) quotations.
FCX owns smelting, refining, and product conversion facilities for copper products, operated as separate business segments. Sales between FCX’s business segments are based on terms similar to arms-length transactions with third-parties at the time of the sale.
PT-FI sells its copper concentrates at market rates to major copper smelters worldwide as well as to major trading companies with whom FCX has built and maintained long-term relationships. PT-FI’s sales agreements with major trading companies are generally established annually, although some extend unless or until terminated with 1-year notice. The pricing provisions in PT-FI’s concentrate sales agreements are consistent with international terms and conditions for the sale of copper concentrates and are relatively standardized. The underlying copper price is determined by and fluctuates with, the commodity exchange price while the treatment and refining charges and premiums are negotiated annually based on market conditions.
16.2Commodity Prices Forecast and Contracts
Long-term metal price projections for reserve estimation are:
$2.50 per pound copper
$1,200 per ounce gold
$15 per ounce silver
All contracts currently necessary for supplies and services to maintain the Grasberg minerals district facilities and production are in place and are renewed or replaced within timeframes and conditions of common industry practices.
FCX and the QPs believe that the marketing and metal price assumptions for metal products are suitable to support the financial analysis of the mineral reserve evaluation. Further information regarding the sale and marketing of the mine’s metal products are discussed in FCX’s Annual Report on Form 10-K for the year ended December 31, 2021.
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17ENVIRONMENTAL STUDIES, PERMITTING, AND SOCIAL IMPACT
The Grasberg minerals district adheres to FCX environmental and sustainability programs, including policies and management systems regarding environmental, permitting, and community issues. The Grasberg minerals district has implemented an Environmental Management System that is certified to the internationally recognized ISO-14001:2015 standard. FCX’s programs are based on policies and systems that align with the International Council on Mining and Metals Sustainable Development Framework and the Copper Mark. FCX routinely evaluates implementation of these policies through internal and external independent assessments and publicly reports on its performance.
Further discussion regarding environmental, permitting, and social or community impacts is available in the latest FCX Annual Report on Sustainability.
17.1Environmental Considerations
Environmental monitoring is ongoing at Grasberg and will continue over the life of the operations and beyond through closure. Key monitoring areas include air, water, waste management, reclamation, and biodiversity including terrestrial and aquatic ecosystems. PT-FI continues to monitor these baselines and impact studies regularly at compliance points and report to required agencies.
Various changes in mining techniques and processing options have been implemented as a result of the depletion of the Grasberg open-pit in 2019. Updated environmental impact studies, environmental management and monitoring plans have been completed and are currently under review by the GOI.
PT-FI is currently in the process of completing an ESIA for facilities and activities associated with the transition from open-pit mining to underground operations, including the addition of a new SAG unit at the mill, construction of additional power facilities at the port, and southern extension of the east and west levees to safely maintain the tailings within the ModADA deposition area, as approved by the 300k AMDAL.
17.2Permitting
FCX and PT-FI believe that all major permits and approvals are in place to support operations at the Grasberg minerals district, however additional permits will likely be necessary in the future. PT-FI holds multiple permits from national, provincial, and regency regulatory agencies, including groundwater use permits, effluent and air discharge permits, solid and hazardous waste storage and management permits and protected forest borrow-to-use permits. Where permits have specific terms, renewal applications are made to the relevant regulatory authority as required, prior to the end of the permit term.
PT-FI routinely reports monitoring results to the Mimika Regency and provincial Papua Government as well to the MoEF. The MoEF issued to PT-FI Borrow to Use of Forest Area Permits (IPPKH), and the Determination of Planting Locations for Watershed Rehabilitation. Under conditions of the IPPKH issuance, PT-FI is legally required to revegetate an equal area of previously degraded land.
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In 2020, PT-FI initiated a new AMDAL in preparation for the proposed extension of the east and west levees to maintain the tailings within the ModADA deposition area. PT-FI continues to work with the MoEF to address full approval of the ESIA, which is currently estimated to be received in 2022. PT-FI is currently undergoing regulatory review of technical approvals, the next stage of the overall permitting process.
17.3Waste and Tailings Storage, Monitoring, and Water Management
PT-FI has developed and continues to implement detailed, comprehensive mine waste and tailings management programs to meet regulations and FCX environmental management practices. PT-FI also follows FCX’s tailings management and stewardship program.
PT-FI operates a controlled riverine tailings management system implemented based on methods approved and permitted by the GOI. Tailings are transported from the concentrating facility along with water and a small quantity of concentrating reagents. Reagents added as part of the concentrating process have been demonstrated to dissipate within a short distance of the concentrating facility.
The PT-FI tailings management system uses an unnavigable river to transport the tailings and other mine-derived sediments from the concentrator area in the highlands along with natural sediments to a large engineered and managed deposition area in the lowlands, called the ModADA. The river is not used for potable water, agriculture, fishing or other domestic or commercial uses. Levees have been constructed on both the east and west sides of the ModADA to laterally contain the depositional footprint of the tailings and natural sediment within the designated area. Quantities of finer tailings and other sediments deposit in the estuary and the sea to the south.
PT-FI is also actively engaged with the MoEF’s Tailings RoadMap Task Force, which is engaging third-party expertise to examine the viability of additional management techniques and activities, which may increase sediment retention, prevent future erosion, create new habitat, and identify beneficial uses of tailings as a resource for local communities.
17.4Mine Closure Plans
A detailed Mine Closure Plan and 5-year reclamation plan have been approved by GOI regulators as required by Indonesian law. The plans are reviewed annually and revised every 5 years. Required reclamation bonds are in place. In the future, additional approval will be required for the diversion of the Aghawagon/Otomona River out of the ModADA at the end of mine life.
PT-FI completed an updated Mine Closure Plan in June 2019 to reflect PT-FI production operations until 2041. On July 2, 2019, PT-FI obtained approval for changes to the Mine Closure Plan through the Decree of the Directorate General of Mineral and Coal. The total closure cost estimate in the LOM plan is approximately $1.2 billion based on a cash flow schedule for the implementation of closure and post closure tasks. PT-FI has complied with the annual renewal of the financial guarantees corresponding to the closure plan.
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17.5Local Stakeholder Considerations and Agreements
As part of the ongoing permitting and compliance obligations with the regional and national agency authorizations and as part of the mine’s commitment to local stakeholder engagement, PT-FI is dedicated to local community and social matters. PT-FI seeks to conduct its activities in a transparent manner that promotes proactive and open relationships with the local community, government, and other stakeholders to maximize the positive impacts of its operations and mitigate potential adverse impacts throughout the LOM plan.
PT-FI recognizes the rights of the Indigenous Peoples living within its project area and works with local stakeholders to address these rights on an ongoing basis. This can include land rights agreements, provision of community development programs involving the construction of housing, places of worship, community centers and other infrastructure, as well as provision of employment opportunities.
In 1996, PT-FI established the Freeport Partnership Fund for Community Development and completed the conversion of the fund into an Indonesian Foundation (YPMAK) during 2019. Leaders from the local indigenous groups, churches and the local government manage this fund with minority representation from FCX. PT-FI is contributing 1 percent of its gross revenues annually to this fund. In addition, PT-FI has established land rights trust funds administered by local representatives and PT-FI focusing on socio-economic resources, human rights, and environmental issues.
PT-FI seeks to prioritize local and regional purchases and hiring with the additional objectives to promote community development through the prioritization of acquisition of local and regional goods and services, according to its requirements and technical specifications.
17.6Comment on Environmental Compliance, Permitting, and Local Engagement
In the QP’s opinion, the Grasberg minerals district has adequate plans and programs in place, is in good standing with Indonesian environmental regulatory authorities, and no current conditions represent a material risk to continued operations. The Grasberg minerals district staff has a high level of understanding of the requirements of environmental compliance, permitting, and local stakeholders in order to facilitate the development of the mineral reserve and mineral resource estimates. The periodic inspections by governmental agencies, FCX corporate staff, third-party reviews, and regular reporting confirm this understanding.
18CAPITAL AND OPERATING COSTS
The capital and operating costs are estimated by the property’s operations, engineering, management, and accounting personnel in consultation with FCX corporate staff, as appropriate. The cost estimates are applicable to the planned production, mine schedule, and equipment requirements for the LOM plan. The capital costs are summarized in Table 18.1.
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Table 18.1 – Capital Costs
$ billions
Mine$7.5 
Concentrator3.9 
Supporting Infrastructure2.3 
Total Capital Expenditures$13.7 
Estimates are derived from current costs and adjusted to the reserve price environment. The estimates are not adjusted for escalation or exchange rate fluctuations. Actual realized costs are reviewed periodically and estimates are refined as required.
Capital costs include development and sustaining projects for the production of the scheduled reserves. Capital cost estimates are derived from current capital costs based on extensive experience gained from many years of operating the property and do not include inflation. FCX and the PT-FI mine staff review actual costs periodically and refine cost estimates as appropriate.
Mine capital costs include development of the KL ore body as well as sustaining development for the GBC and DMLZ deposits. Concentrator capital costs include sustaining capital for the mill complex as well as capital expenditures at the processing facilities to optimize the handling of underground ore from the GBC, DMLZ and KL deposits. Increases in power loads at these processing facilities and the underground mines are expected to require additional power generation with capital expenditures for new power generation, upgrades to existing transmission lines, and refurbishment of the existing three coal units.
The operating costs for the LOM plan are summarized in Table 18.2.
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Table 18.2 – Operating Costs
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The operating cost estimates are derived from current operating costs and practices based on extensive experience gained from many years of operating the property and do not include inflation. The operating cost estimates reflect certain pricing assumptions, primarily for energy and foreign exchange rates, that are reflective of the copper market environment ($2.50 per pound copper price) at which the reserve plan has been prepared. As the property has a long operating history, FCX believes that the accuracy of the cost estimates is better than the minimum of approximately +/- 25 percent required for a pre-feasibility study level of mineral reserves as per S-K1300, and the level of risk in the cost forecasting is low. FCX and the PT-FI mine staff review actual costs periodically and refine cost estimates as appropriate.
The LOM plan summary in this TRS is developed to support the economic viability of the mineral reserves. The latest guidance regarding updated operational forecast cost estimates are available in FCX’s Annual Report on Form 10-K for the year ended December 31, 2021, filed with the SEC.
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19ECONOMIC ANALYSIS
The LOM plan includes comprehensive operational drivers (mine and corresponding processing plans, metal production schedules and corresponding equipment plans) and financial estimates (revenues, capital costs, operating costs, downstream processing, freight, taxes and royalties, etc.) to produce the reserves over the life of the property. The LOM plan is an operational and financial model that also forecasts annual cash flows of the production schedule of the reserves for the life of the property under the assumed pricing and cost assumptions. The LOM plan is used for economic analyses, sensitivity testing, and mine development evaluations.
The financial forecast incorporates revenues and operating costs for all produced metals, processing streams, and overall site management for the life of the property. The economic analysis summary in Table 19.1 includes the material drivers of the economic value for the property and includes the net present value (NPV) of the unleveraged after-tax free cash flows as the key metric for the economic value of the property’s reserve plan under these pricing and cost assumptions. This analysis does not include economic measures such as internal rate of return or payback period for capital since these measures are not applicable (and are not calculable) for an on-going operation that does not have a significant upfront capital investment to be recovered.
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Table 19.1 – Economic Analysis
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The key drivers of the economic value of the property include the market prices, metal grades and recoveries, and costs. Depending on the changes in these key drivers, FCX can adjust operating plans (in the near-term as well as the long-term, as appropriate) to minimize negative impacts to the overall economic value of the property.
Table 19.2 summarizes the economic impact of changes to these key drivers on the property’s NPV (as included in Table 19.1). The sensitivities are estimates for the
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changes in each key drivers’ effect on the base plan summarized for the production of the mineral reserves over the life of the property.
Table 19.2 – Sensitivity Analysis
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The after-tax NPV of the LOM plan is most sensitive to price, followed by grades and recovery, and then operating costs. The sensitivity analysis does not reflect changes in mine plans or costs with changes in the reported driver. Sustained periods in these economic scenarios would warrant a re-evaluation of the LOM plan assumptions, planned development, and reported mineral reserves.
Table 19.3 summarizes the LOM plan including the annual metal production volumes, mine plan schedule, capital and operating cost estimates, unit net cash costs, and unleveraged after-tax free cash flows over the life of the property. Free cash flow is the operating cash flow less the capital costs and is a key metric to demonstrate the cash that the property is projected to generate from its operations after capital investments for the reserve production plan at assumed pricing and cost assumptions. The property’s ability to create value from the reserves is determined by its ability to generate positive free cash flow. The summary demonstrates the favorable free cash flow generated from the property’s LOM plan under the assumptions. This economic analysis supports the economic viability of the mineral reserves statement.
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Table 19.3 – LOM Plan Summary
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20ADJACENT PROPERTIES
As of December 31, 2021, there are no adjacent properties impacting the Grasberg minerals district mineral reserve or mineral resource estimates.
21OTHER RELEVANT DATA AND INFORMATION
In the opinion of the QPs, there is no additional information necessary for the mineral reserve and mineral resource estimates in this TRS. Further discussion regarding operational risks, health and safety programs, and other business aspects of the mine are available in FCX’s Annual Report on Form 10-K for the year ended December 31, 2021.
22INTERPRETATION AND CONCLUSIONS
Estimates of mineral reserves and mineral resources are prepared by and are the responsibility of FCX employees. All relevant geologic, engineering, economic, metallurgical, and other data is prepared according to FCX developed procedures and guidelines based on accepted industry practices. FCX maintains a process of verifying and documenting the mineral reserve and mineral resource estimates, information for
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which are located at the mine site and FCX corporate offices. FCX conducts ongoing studies of its ore bodies to optimize economic value and to manage risk.
FCX and the QPs believe that the geologic interpretation and modeling of exploration data, economic analysis, mine design and sequencing, process scheduling, and operating and capital cost estimation have been developed using accepted industry practices and that the stated mineral reserves and mineral resources comply with SEC regulations. Periodic reviews by third-party consultants confirm these conclusions.
The Grasberg minerals district is a large-scale producing mining property that has been operated by FCX and its predecessors for many years. Mineral reserve and mineral resource estimates consider technical, economic, environmental, and regulatory parameters containing inherent risks. Changes in grade and/or metal recovery estimation, realized metal prices, and operating and capital costs have a direct relationship to the cash flow and profitability of the mine. Other aspects such as changes to environmental or regulatory requirements could alter or restrict the operating performance of the mine. Significant differences from the parameters used in this TRS would justify a re-evaluation of the reported mineral reserve and mineral resource estimates. Mine site administration and FCX dedicate significant resources to managing these risks.
23RECOMMENDATIONS
Although ongoing initiatives in productivity and recovery improvements are underway, the mineral reserves and mineral resources are based on the stated long-term metal prices and corresponding technical and economic performance data.
No recommendations for additional work are identified for the reported mineral reserves and mineral resources as of December 31, 2021.
24REFERENCES
Leys, C. A., Cloos, M., New, B. T. E., and MacDonald, G. D. (2012). Copper ± Molybdenum Deposits of the Ertsberg-Grasberg District, Papua, Indonesia. Society of Economic Geologists, Inc., Special Publication (16), 215–235.
25RELIANCE ON INFORMATION PROVIDED BY THE REGISTRANT
FCX is experienced in managing the challenges and requirements of operating at local, regional, national, and international levels to support requirements for successfully mining metals throughout the world, using functioning divisions, departments, and teams, organized at mine sites and at the corporate level, that are tasked with meeting and supporting FCX business and operations requirements. These closely integrated departments are focused on subjects that may be peripheral to the direct production of salable metals but are essential to meeting all business requirements for FCX and to navigating the many aspects of modern mining.
As an illustrative example of the FCX organization, within the Corporate Support and Marketing division, there are departments of Finance and Accounting, Financial Reporting, Taxes, General Counsel, Communications, and Business Development groups. Other corporate teams are similarly organized to provide additional broad
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services. These departments support and integrate with the operating divisions providing requirements and information. A mine site, as part of the operating divisions, will be organized into its own management teams including Mine Management, Operations, Maintenance and Construction, Processing Management, Finance and Accounting, Social Responsibility and Community Development, Environmental, Regional Supply Chain, and Human Resources. These staffed teams are organized to provide responses to the many mining requirements, and they are expert in conducting their specific duties. They represent reliable sources for information and as such, they have been consulted to prepare, support, and characterize the information in this TRS.
Specific to the preparation of this TRS, FCX departments have provided the following categories of information:
Macro-economic trends, data, interest rates, and assumptions.
Marketing information.
Legal matters outside of QP expertise.
Environmental matters outside of QP expertise.
Accommodations through community development to local groups.
Governmental factors outside of QP expertise.
The QPs prepared Sections 3, 4, 5, 15, 16, 17, 18, 19, 20, and 21 of this TRS in reliance on the information provided by FCX above.
As explained, FCX corporate and mine site divisions that provided information for this TRS are business-directed areas that must produce reliable information in support of FCX business objectives. This organizational form contributes to producing expected results for FCX and provides appropriate information supporting mineral reserves and mineral resource estimates.
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26GLOSSARY – UNITS OF MEASURE AND ABBREVIATIONS
UnitUnit of Measure
#, No.number
$U.S. Dollar
%percent
dmtdry metric ton
ggram
galgallon
gpmgallon per minute
kthousand
kgkilogram
kmkilometer
ktpdthousand metric tons per day
kVkilovolt
kWhkilowatt-hour
lbU.S. pound
mmeter
Mmillion
mmmillimeter
MWmegawatt
oztroy ounce
tmetric ton
AbbreviationDescription
AASAtomic Absorption Spectroscopy
AMDALAnalisis Mengenai Dampak Lingkungan
AuGold
BGBig Gossan
BWIBond Work Index
COWContract of Work
CRMCertified Reference Material
CuCopper
DDHDiamond Drill Hole
DFPPDual-Fuel Power Plant
DMLZDeep Mill Level Zone
DOZDeep Ore Zone
EESSErtsberg East Skarn System
EqCuEquivalent Copper Grade
ESIAEnvironmental and Social Impact Assessment
FCXFreeport-McMoRan Inc. and its consolidated subsidiaries
GAPT Geoservices-GeoAssay
GBGunung Bijih
GBCGrasberg Block Cave
GBTGunung Bijih Timur
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GICGrasberg Intrusive Complex
GOIGovernment of Indonesia
GRS_OPGrasberg Open-Pit
GRSKLGrasberg and Kucing Liar
HPGRHigh-Pressure Grinding Roll
IOZIntermediate Ore Zone
IPPKHBorrow to Use of Forest Area Permits
IUPKIjin Usaha Pertambangan Khusus (Special Mining Business Permit)
KLKucing Liar
LIMSLaboratory Information Management System
LOMLife-of-Mine
MGIMain Grasberg Intrusive
ModADAModified Ajkwa Deposition Area
MoEFMinistry of Environment and Forestry (Indonesia)
MPMile post
NANot Applicable
NPVNet Present Value
OKOrdinary Kriging
P.E.Professional Engineer
P.Geo.Professional Geoscientist
PT-FIPT Freeport Indonesia (subsidiary of FCX)
QA/QCQuality Assurance and Quality Control
QPQualified Person
RM-SMERegistered Member of the Society of Mining, Metallurgy and Exploration (U.S.)
RQDRock Quality Designation
SAGSemi-Autogenous Grinding
SECSecurities and Exchange Commission (U.S.)
SFKKPT Sucofindo Kuala Kencana
SGSpecific Gravity
SGSSGS Mineral Services
S-K1300Subpart 1300 of SEC Regulation S-K
TCTFCX’s Technology Center facilities in Tucson, Arizona
TRSTechnical Report Summary
U.S.United States
UTMUniversal Transverse Mercator
VPAVertical Pressure Filter
YVSYellow Valley Syncline
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Exhibit 96.3

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Technical Report Summary of
Mineral Reserves and Mineral Resources
for
Morenci Mine
Arizona, U.S.
Effective Date:December 31, 2021
Report Date:January 31, 2022


IMPORTANT NOTE
This Technical Report Summary (TRS) has been prepared for Freeport-McMoRan Inc. (FCX) in support of the disclosure and filing requirements of the United States (U.S.) Securities and Exchange Commission (SEC) under Subpart 1300 of Regulation S-K. The quality of information, conclusions, and estimates contained herein apply as of the date of this TRS. Events (including changes to the assumptions, conditions, and/or qualifications outlined in this TRS) may have occurred since the date of this TRS, which may substantially alter the conclusions and opinions herein. Any use of this TRS by a third-party beyond its intended use is at that party’s sole risk.
CAUTIONARY STATEMENT
This TRS contains forward-looking statements in which potential future performance is discussed. The words “anticipates,” “may,” “can,” “plans,” “believes,” “estimates,” “expects,” “projects,” “targets,” “intends,” “likely,” “will,” “should,” “could,” “to be,” “potential,” “assumptions,” “guidance,” “aspirations,” “future” and any similar expressions are intended to identify those assertions as forward-looking statements. Forward-looking statements are all statements other than statements of historical facts, such as plans, projections, forecasts or expectations relating to business outlook, strategy, goals, or targets; ore grades and processing rates; production and sales volumes; unit net cash costs; net present values; economic assessments; capital expenditures; operating costs; operating or Life-of-Mine (LOM) plans; cash flows; FCX’s commitments to deliver responsibly produced copper, including plans to implement and validate all of its operating sites under The Copper Mark, and to comply with other disclosure frameworks; improvements in operating procedures and technology innovations; potential environmental and social impacts; exploration efforts and results; development and production activities, rates and costs; future organic growth opportunities; tax rates; export quotas and duties; impact of price changes in the commodities FCX produces, primarily copper; mineral resource and mineral reserve estimates and recoveries; and information pertaining to the financial and operating performance and mine life of the Morenci mine.
Readers are cautioned that forward-looking statements in this TRS are necessarily based on opinions and estimates of the Qualified Persons (QPs) authoring this TRS, are not guarantees of future performance, and actual results may differ materially from those anticipated, expected, projected or assumed in the forward-looking statements. Material assumptions regarding forward-looking statements are discussed in this TRS, where applicable. In addition to such assumptions, the forward-looking statements are inherently subject to significant business, economic and competitive uncertainties, and contingencies. Important factors that can cause actual results to differ materially from those anticipated in the forward-looking statements include, but are not limited to, supply of and demand for, and prices of, the commodities FCX produces, primarily copper; changes in cash requirements, financial position, financing or investment plans; changes in general market, economic, tax, regulatory, or industry conditions; reductions in liquidity and access to capital; the ongoing COVID-19 pandemic and any future public health crisis; political and social risks; operational risks inherent in mining, with higher inherent risks in underground mining; availability and increased costs associated with mining inputs and labor; fluctuations in price and availability of commodities purchased, including higher prices for fuel, steel, power, labor, and other consumables contributing to higher costs; constraints on supply and logistics, including transportation services; mine sequencing; changes in mine plans or operational modifications, delays, deferrals, or cancellations; production rates; timing of shipments; results of technical, economic, or feasibility studies; potential inventory adjustments; potential impairment of long-lived mining assets; expected results from improvements in operating procedures and technology, including innovation initiatives; industry risks; financial condition of FCX’s customers, suppliers, vendors, partners, and affiliates; cybersecurity incidents; labor relations, including labor-related work stoppages and costs; compliance with applicable environmental, health and safety laws and regulations; weather- and climate-related risks; environmental risks and litigation results; FCX’s ability to comply with its responsible production commitments under specific frameworks and any changes to such frameworks; and other factors described in more detail under the heading “Risk Factors” contained in Part I, Item 1A. of FCX’s Annual Report on Form 10-K for the year ended December 31, 2021, filed with the SEC.
Investors are cautioned that many of the assumptions upon which the forward-looking statements are based are likely to change after the date the forward-looking statements are made, including for example commodity prices, which FCX cannot control, and production volumes and costs or technological solutions and innovation, some aspects of which FCX may not be able to control. Further, FCX may make changes to its business plans that could affect its results. FCX and the QPs who authored this TRS caution investors that FCX undertakes no obligation to update any forward-looking statements, which speak only as of the date made, notwithstanding any changes in the assumptions, changes in business plans, actual experience, or other changes.
This TRS also contains financial measures such as site cash costs and unit net cash costs per pound of metal and free cash flow, which are not recognized under U.S. generally accepted accounting principles.


Qualified Person Signature Page
Mine:Morenci
Effective Date:December 31, 2021
Report Date:January 31, 2022
/s/ James Young
James Young, P.Eng., RM-SME
Manager of Mine Planning – Reserves
/s/ Paul Albers
Paul Albers, P.Geo., RM-SME
Exploration Leader – Americas
/s/ Luis Tejada
Luis Tejada, Ing. Geol. Peru, RM-SME
Manager of Geomechanical Engineering
/s/ Jacklyn Steeples
Jacklyn Steeples, RM-SME
Manager of Processing Operational Improvement
/s/ Leonard Hill
Leonard Hill, RM-SME
Director of Metallurgy and Strategic Planning

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Technical Report Summary for
Morenci Mine, Arizona, U.S.
Table of Contents
as of December 31, 2021
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Technical Report Summary for
Morenci Mine, Arizona, U.S.
List of Tables
List of Figures
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Technical Report Summary for
Morenci Mine, Arizona, U.S.
1EXECUTIVE SUMMARY
This Technical Report Summary (TRS) is prepared by Qualified Persons (QPs) for Freeport-McMoRan Inc. (FCX), a leading international mining company with headquarters located in Phoenix, Arizona, United States (U.S.). The purpose of this TRS is to report mineral reserve and mineral resource estimates at the Morenci mine using estimation parameters as of December 31, 2021.
1.1Property Description, Current Status, and Ownership
The Morenci mine is an open-pit copper and molybdenum mining complex. The mine is located in Greenlee County, Arizona, approximately 50 miles northeast of the city of Safford on U.S. Highway 191.
The mine operates 365 days per year on a 24 hour per day schedule. Mining and ore processing operations are currently in production and the mine is considered a production stage property.
The Morenci mine is an unincorporated joint venture owned 72 percent by FCX, with the remaining 28 percent owned by Sumitomo Metal Mining Arizona, Inc. (15 percent) and Sumitomo Metal Mining Morenci, Inc. (13 percent). Each partner takes in kind its share of Morenci’s production. FCX is the operator of the joint venture and holds registered title to the mineral claims.
As of December 31, 2021, the Morenci mine encompasses approximately 61,700 acres, comprising 51,300 acres of fee lands and 10,400 acres of unpatented mining claims held on public mineral estate and numerous state or federal permits, easements and rights-of-ways.
1.2Geology and Mineralization
The mineral deposits of the Morenci district consist of copper oxide, secondary sulfide, and primary sulfide mineralization associated with a large porphyry copper system. Geologic studies indicate that a complex series of Tertiary igneous intrusive rocks were emplaced within Precambrian-age granite and overlying Paleozoic and Mesozoic sedimentary rocks. A porphyry copper deposit formed and was associated with the emplacement and crystallization of intrusive rocks. Several cycles of leaching and enrichment of the primary sulfides formed the secondary sulfide enrichment blanket and copper oxide zones currently being mined. Mineralization spans approximately 5 miles in a north-south direction and 4 miles in an east-west direction.
1.3Mineral Reserve Estimate
Mineral reserves are summarized from the Life-of-Mine (LOM) plan, which is the compilation of the relevant modifying factors for establishing an operational, economically viable mine plan.
Mineral reserves have been evaluated considering the modifying factors for conversion of measured and indicated resource classes into proven and probable reserves. Inferred resources are considered as waste in the LOM plan. The details of the relevant modifying factors included in the estimation of mineral reserves are discussed in Sections 10 through 21.
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The LOM plan includes the planned production to be extracted from the in-situ mine designs and from previously extracted material, known as Work-In-Process (WIP) inventories. WIP includes material on crushed leach and Run of Mine (ROM) leach pads for processing, and in stockpiles set aside to be rehandled and processed at a future date. WIP is estimated as of December 31, 2021 from production of reported deliveries through mid-year and the expected production to the end of the year.
As a point of reference, the mineral reserve estimate reports the in-situ ore and WIP inventories from the LOM plan containing copper and molybdenum metal and reported as commercially recoverable metal.
Table 1.1 summarizes the mineral reserves reported on a 100 percent property ownership basis. The mineral reserve estimate is based on commodity prices of $2.50 per pound copper and $10 per pound molybdenum.
Table 1.1 – Summary of Mineral Reserves
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The mineral reserve estimate has been prepared using industry accepted practice and conforms to the disclosure requirements of the U.S. Securities and Exchange Commission (SEC) under Subpart 1300 of Regulation S-K (S-K1300). Mineral reserve and mineral resource estimates are evaluated annually, providing the opportunity to reassess the assumed conditions. All the technical and economic issues likely to
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influence the prospect of economic extraction are anticipated to be resolved under the stated assumed conditions.
1.4Mineral Resource Estimate
Mineral resources are evaluated using the application of technical and economic factors to a geologic resource block model and employing optimization algorithms to generate digital surfaces of mining limits, using specialized geologic and mine planning computer software. The resulting surfaces volumetrically identify material as potentially economical, using the assumed parameters. Mineral resources are the resultant contained metal inventories.
The mineral resource estimate is the inventory of material identified as having a reasonable likelihood for economic extraction inside the mineral resource economic mining limit, less the mineral reserve volume, as applicable. The modifying factors are applied to measured, indicated, and inferred resource classifications to evaluate commercially recoverable metal. As a point of reference, the in-situ ore containing copper, and molybdenum metal are inventoried and reported by intended processing method.
The reported mineral resource estimate in Table 1.2 is exclusive of the reported mineral reserve, on a 100 percent property ownership basis. The mineral resource estimate is based on commodity prices of $3.00 per pound copper and $12 per pound molybdenum.
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Table 1.2 – Summary of Mineral Resources
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The mineral resource estimate has been prepared using industry accepted practice and conforms to the disclosure requirements of S-K1300. Mineral reserve and mineral resource estimates are evaluated annually providing the opportunity to reassess the assumed conditions. Although all the technical and economic issues likely to influence the prospect of economic extraction of the resource are anticipated to be resolved under the stated assumed conditions, no assurance can be given that the estimated mineral resource will become proven and probable mineral reserves.
1.5Capital and Operating Cost Estimates
The capital and operating costs are estimated by the property’s operations, engineering, management, and accounting personnel in consultation with FCX corporate staff, as appropriate. The cost estimates are applicable to the planned production, mine schedule, and equipment requirements for the LOM plan. The capital costs are summarized in Table 1.3.
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Technical Report Summary for
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Table 1.3 – Sustaining Capital Costs
$ billions
Mine$0.9 
Leach and SX/EW1.8 
Concentrator0.8 
Supporting Infrastructure and Environmental0.2 
Total Capital Expenditures$3.7 
Estimates are derived from current costs and adjusted to the reserve price environment. The estimates are not adjusted for escalation or exchange rate fluctuations. Actual realized costs are reviewed periodically, and estimates are refined as required.
Capital costs are primarily sustaining projects consisting of mine equipment replacements and planned site infrastructure projects, most notably to increase leach pad and tailings storage facility (TSF) capacities over the production of the scheduled reserves. Capital cost estimates are derived from current capital costs based on extensive experience gained from many years of operating the property and do not include inflation. FCX and the Morenci mine staff review actual costs periodically and refine cost estimates as appropriate.
The operating costs for the LOM plan are summarized in Table 1.4.
Table 1.4 – Operating Costs
$ billions
Mine$11.0 
Leach and SX/EW5.4 
Concentrator5.9 
Balance3.8 
Total site cash operating costs26.1 
Freight0.6 
Treatment charges0.5 
By-product credits(1.3)
Total net cash costs$25.9 
Unit net cash cost ($ per pound of copper)$1.98 
Estimates are derived from current costs and adjusted to the reserve price environment. The estimates are not adjusted for escalation or exchange rate fluctuations. Actual realized costs are reviewed periodically, and estimates are refined as required.
The operating cost estimates are derived from current operating costs and practices based on extensive experience gained from many years of operating the property and do not include inflation.
1.6Permitting Requirements
In the QP’s opinion, the Morenci mine has adequate plans and programs in place, is in good standing with environmental regulatory authorities, and no current conditions represent a material risk to continued operations. The Morenci mine staff have a high
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level of understanding of the requirements of environmental compliance, permitting, and local stakeholders in order to facilitate the development of the mineral reserve and mineral resource estimates. The periodic inspections by governmental agencies, FCX corporate staff, third-party reviews, and regular reporting confirm this understanding.
Based on the LOM plan, additional permits will be necessary in the future for continued operation of the Morenci mine, including Aquifer Protection Permit (APP) amendment applications and obtaining of Arizona Department Environmental Quality (ADEQ) approval for increased leach pad stockpile and tailings storage capacities under the existing APP.
1.7Conclusions and Recommendations
FCX and the QPs believe that the geologic interpretation and modeling of exploration data, economic analysis, mine design and sequencing, process scheduling, and operating and capital cost estimation have been developed using accepted industry practices and that the stated mineral reserves and mineral resources comply with SEC regulations. Periodic reviews by third-party consultants confirm these conclusions.
No recommendations for additional work are identified for the reported mineral reserves and mineral resources as of December 31, 2021.
2INTRODUCTION
This TRS is prepared by QPs for FCX, a leading international mining company with headquarters located in Phoenix, Arizona, U.S. The purpose of this TRS is to report mineral reserve and mineral resource estimates at the Morenci mine using estimation parameters as of December 31, 2021.
2.1Terms of Reference and Sources of Information
FCX owns and operates several affiliates or subsidiaries. This TRS uses the name “FCX” interchangeably for Freeport-McMoRan Inc. and its consolidated subsidiaries.
FCX operates large, long-lived, geographically diverse assets with significant proven and probable reserves of copper, gold, and molybdenum. FCX has a dynamic portfolio of operating, expansion, and growth projects in the copper industry and is the world’s largest producer of molybdenum.
FCX maintains standards, procedures, and controls in support of estimating mineral reserves and mineral resources. The QPs, including the Manager of Mine Planning – Reserves, annually review the estimates of mineral reserves and mineral resources prepared by mine site and FCX corporate employees, the supporting documentation, and compliance to internal controls. Based on their review, the QPs recommend approval of the mineral reserve and mineral resource statements to FCX senior management.
The reported estimates and supporting background information, conclusions, and opinions contained herein are based on company reports, property data, public information, and assumptions supplied by FCX employees and other third-party sources including the reports and documents listed in Section 24 of this TRS, available at the time of writing this TRS.
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Unless otherwise stated, all figures and images were prepared by FCX. Units of measurement referenced in this TRS are based on local convention in use at the property and currency is expressed in US dollars.
The effective date of this TRS is December 31, 2021. FCX has previously reported mineral reserves and mineralized material for the Morenci mine but has not filed a TRS with the SEC. The estimates in this TRS supersede any previous estimates of mineral reserves and mineral resources for the Morenci mine.
Mineral reserves and mineral resources are reported in accordance with the requirements of S-K1300.
2.2Qualified Persons
This TRS has been prepared by the following QPs:
James Young, Manager of Mine Planning – Reserves
Paul Albers, Exploration Leader – Americas
Luis Tejada, Manager of Geomechanical Engineering
Jacklyn Steeples, Manager of Processing Operational Improvement
Leonard Hill, Director of Metallurgy and Strategic Planning
James Young is Manager of Mine Planning – Reserves for the Strategic Planning department of FCX. He has over 20 years of experience working for large-scale, open-pit operations in Peru, Chile, Indonesia, Canada, and the U.S. He holds a Bachelor of Applied Science in Mining and Mineral Process Engineering from the University of British Columbia and is registered as a Professional Engineer (P.Eng.) with Engineers and Geoscientists of British Columbia, Canada. Mr. Young is a Registered Member of the Society of Mining, Metallurgy and Exploration (RM-SME). In his role with FCX, he discusses aspects of the mine with site staff regarding overall approach to mine planning, current operating conditions, targeted production expectations, and options for potential resource development. He has visited the site various times throughout his career. His most recent was on February 6, 2020.
Paul Albers is the Exploration Leader – Americas for the Exploration department of FCX. He has over 16 years of mineral exploration and mining experience, including 11 years in copper-molybdenum porphyry deposits in North America and South America. He holds a Bachelor of Science degree in Geology from St. Norbert College and Master of Science degree in Geology from the University of Minnesota-Duluth. He is registered as a Certified Professional Geologist (P.Geo.) with the State of Minnesota. Mr. Albers is a RM-SME. In his role with FCX, he provides technical support and collaborates with site staff on exploration and mineral resource modeling programs. He has visited the site various times throughout his career. His most recent was on March 11, 2021.
Luis Tejada is Manager of Geomechanical Engineering for the Strategic Planning department of FCX. He has over 20 years of experience working for large-scale, open-pit operations in Peru and the U.S. He holds a Bachelor of Science in Geological Engineering from the San Agustin University in Arequipa, Peru, and is registered as a Geological Engineer (Ing. Geol.) with the Colegio de Ingenieros del Peru. He is a RM-SME. In his role, he provides technical support and collaborates with site staff on geomechanical engineering, slope monitoring systems, mine hydrogeology, options for slope design improvements and slope optimization. He worked at the Morenci mine from
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2016 to 2019 and has visited the site various times since. His most recent visit was on June 18, 2021.
Jacklyn Steeples is Manager of Processing Operational Improvement for FCX and has over 10 years of experience working for large-scale, open-pit copper processing operations including leach and solution extraction (SX) and electrowinning (EW), concentrator, and crush and convey divisions. She holds a Bachelor of Science in Chemical Engineering from the Colorado School of Mines. She is a RM-SME. In her role with FCX, she collaborates with site staff on leach pad placements, SX/EW operations, current operating conditions performance, and improvements for hydrometallurgical operations. She worked at the Morenci mine from 2005 to 2013 and has visited the site various times throughout her career. Her most recent visit to the mine was on August 26, 2020.
Leonard Hill is employed by FCX. He has over 30 years of experience working for large-scale, copper, and molybdenum processing operations in the U.S. With FCX, he has worked in technical services, concentrator operations, supply chain management and operational improvement. He holds a Bachelor of Science degree in Metallurgical Engineering from the Colorado School of Mines and a Master of Business Administration degree in Supply Chain Management from Arizona State University. He is a RM-SME. In his role as Director of Technical Services with FCX, he provides technical support to Morenci mineral processing facilities, including capital project process design, process performance assessments, and process optimization recommendations. His most recent visit to the mine was on March 2, 2020.
The QPs reviewed the reasonableness of the background information for the estimates. The details of the QPs’ responsibilities for this TRS are outlined in Table 2.1.
Table 2.1 – Qualified Person Responsibility
Qualified PersonResponsibility
James YoungSections 2 through 5, 11.2 through 13.1, 13.1.3 through 13.3, 15 through 26, and corresponding sections of the Executive Summary
Paul AlbersSections 2, 6 through 7.5, 7.8, 8, 9, 11.1, 21 through 26, and corresponding sections of the Executive Summary
Luis TejadaSections 2, 7.6 through 7.8, 13.1.1, 13.1.2, 21 through 26, and corresponding sections of the Executive Summary
Jacklyn SteeplesSections 2, 10, 12, 14, 15, 18, 21 through 26, and corresponding sections of the Executive Summary
Leonard HillSections 2, 10, 12, 14, 15, 18, 21 through 26, and corresponding sections of the Executive Summary
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Technical Report Summary for
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3PROPERTY DESCRIPTION AND LOCATION
The Morenci mine is an open-pit copper and molybdenum mining complex. The mine is located in Greenlee County, Arizona, approximately 50 miles northeast of the city of Safford on U.S. Highway 191.
The mine operates 365 days per year on a 24 hour per day schedule. Mining and ore processing operations are currently in production and the mine is considered a production stage property.
3.1Property Location
The property location map is illustrated in Figure 3.1.
Figure 3.1 – Property Location Map
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The property is located at latitude 33.07 degrees north and longitude 109.35 degrees west using the World Geodetic System 84 coordinate system.
3.2Ownership
The Morenci mine is an unincorporated joint venture owned 72 percent by FCX, with the remaining 28 percent owned by Sumitomo Metal Mining Arizona, Inc. (15 percent) and Sumitomo Metal Mining Morenci, Inc. (13 percent). Each partner takes in kind its share of Morenci’s production. FCX is the operator of the joint venture and holds registered title to the mineral claims.
3.3Land Tenure
As of December 31, 2021, the Morenci mine encompasses approximately 61,700 acres, comprising 51,300 acres of fee lands and 10,400 acres of unpatented mining claims held
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on public mineral estate and numerous state or federal permits, easements, and rights-of-ways. Figure 3.2 shows a map of the land claim status.
Figure 3.2 – Morenci Mine Mineral Claim Map
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3.4Mineral Rights and Significant Permitting
The 51,300 acres of fee lands are considered private lands and include the surface and all the mineral rights on this patented land. There is no limit to the depth of the mineral rights or time provisions in which the minerals must be extracted. The fee lands are subject to property taxes.
FCX holds 533 unpatented mining claims, comprising 10,400 acres located in Greenlee County, with the Bureau of Land Management (BLM). FCX pays the annual maintenance fee for maintaining the claims to BLM and has owned and controlled most of these claims for many decades. These mineral claims were obtained from the U.S. federal government. The claims are public records and are on file in the County Recorder’s Office, Greenlee County, located in Clifton, Arizona.
The Morenci mine encompasses one small mineral lease with the state of Arizona. This lease covers approximately 332 acres, less than 1 percent of the Morenci concession. The lease agreement maintains a royalty payment in accordance with production from the leased area. As of December 31, 2021, mining has ceased on the leased area and the agreement is set to expire on October 22, 2029.
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3.5Comment on Factors and Risks Affecting Access, Title, and Ability to Perform Work
FCX and the Morenci mine staff believe that all major permits and approvals are in place to support operations at the Morenci mine. Based on the LOM plan, additional permits will become necessary in the future for increased capacities to leach pad stockpiles and TSFs as discussed in Section 17. Such processes to obtain these permits and the associated timelines are understood and similar permits have been granted in the past. FCX and the Morenci mine have environmental, land, water, and permitting departments that monitor and review all aspects of property ownership and permit requirements so that they are maintained in good standing and any issues are addressed in a timely manner.
U.S. Highway 191 is located inside the operating areas of the Morenci mine as of December 31, 2021. As the mine develops, the highway is planned to be relocated as needed. The Morenci mine staff have relocated portions of this highway various times throughout the operating history of the mine.
As of December 31, 2021, FCX and the Morenci mine believe the mine’s access, payments for titles and rights to the mineral claims, and ability to perform work on the property are all in good standing. Further, to the extent known to the QPs, there are no significant encumbrances, factors, or risks that may affect the ability to perform work in support of the estimates of mineral reserves and mineral resources.
4ACCESSIBILITY, CLIMATE, PHYSIOGRAPHY, LOCAL RESOURCES, AND INFRASTRUCTURE
The property is located in Greenlee County, Arizona, in the southwestern part of the U.S.
4.1Accessibility
The Morenci mine is accessible by paved road along U.S. Highway 191. The mine is approximately 50 miles northeast of Safford, Arizona. A railway line to the property provides support for delivery of supplies and transport of metal products.
4.2Climate
The property is situated in a mountainous area at an elevation ranging between 2,750 and 6,560 feet above sea level. This region sits on the edge of the Madrean Archipelago, between the northwestern Chihuahuan Desert and the northeastern Sonoran Desert. Average monthly temperatures typically range between 46 and 85-degrees Fahrenheit. The rainfall averages 13 inches per year. The mine operates throughout the year with production marginally affected during periods of heavy rain.
4.3Physiography
Vegetation in the area is a mix of shrubs/forbs and grasses representing the Sonoran Desert scrub and the Chihuahuan Desert species. These include interior chaparral, semidesert grassland, Great Basin conifer woodland, and post-climax conifer woodland.
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4.4Local Resources and Infrastructure
Infrastructure is in place to support mining operations. Section 15 contains additional detail regarding site infrastructure.
The mine maintains a company-owned townsite at the operation. Additional accommodations for mine employees and supplies are available in the nearby communities of Clifton, Safford, Tucson, and Phoenix in Arizona and Lordsburg, Silver City, and Deming in New Mexico.
Water for the Morenci mine is supplied by a combination of sources including decreed surface water rights in the San Francisco River, Chase Creek, and Eagle Creek drainages, groundwater from the Upper Eagle Creek Wellfield, and Central Arizona Project water leased from the San Carlos Apache Tribe and delivered to Morenci via exchange through the Black River Pump Station. FCX and the Morenci mine staff believe Morenci has sufficient water claims through water rights controlled by FCX to cover its operational demands in normal or slightly above-normal climatic conditions; however, FCX is a party to litigation that could impact the mine’s water rights claims or rights to continued use of currently available water supplies, which could adversely affect the water supply for Morenci mine operations.
The Morenci operation’s electrical power is supplied by FCX’s wholly owned subsidiary the Morenci Water and Electric Company (MW&E). MW&E sources its generation services through FCX’s wholly owned subsidiary Freeport-McMoRan Energy Services (FMES) through capacity rights at the Luna Energy Facility in Deming, New Mexico, and other purchase power agreements.
Site operations are adequately staffed with experienced operational, technical, and administrative personnel. FCX and the Morenci mine believe all necessary supplies are available as needed.
5HISTORY
The first record of copper mineralization near Morenci appears in a report prepared by soldiers in January 1863 (Watt, 1956). Early exploration was primarily conducted by prospecting high-grade copper mineralization along lode deposits and fissure veins leading to the development of historical underground mines scattered across the district by the early 1900’s. Systematic churn drilling programs designed to delineate and evaluate this resource commenced in 1912. An extension of the Colorado highway tunnel confirmed the resource was part of the large Clay ore body being mined on the neighboring Arizona Copper property (Patton, 1945, Briggs, 2016). Various producers (namely, the Longfellow Mining Company, Detroit Copper Mining Company, Arizona Copper Company, and the Shannon Copper Company, as well as a number of other smaller producers) developed underground mine workings and integrated concentrator and smelter operations early in the district's history.
By 1921, the various producers had been consolidated under the management of a single company, the Phelps Dodge Corporation (PDC). Modern exploration in the district began in the late 1920’s when PDC drilled many test holes in the Clay ore body. Although grades were too low to warrant mining by underground methods, this drilling demonstrated continuity of mineralization that was amenable to be mined in an open-pit. Subsequent decades of drilling resulted in delineation of mineralization in the Metcalf,
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Coronado, Garfield, Sun Ridge, Western Copper, Shannon, and American Mountain areas.
Underground operations had ceased by 1932 and by the late 1930’s, the district had converted to open-pit operations. The Morenci concentrator was commissioned in 1942 with a reverberatory smelter. An additional concentrator, Metcalf, was constructed in the Morenci district and started receiving ore in 1975. The Morenci smelter was closed in December 1984. Dismantling started in 1993 and was completed by the end of 1996.
In February 1986, PDC sold a 15 percent joint venture interest in the Morenci operation to Sumitomo Metal Mining Arizona, Inc., a jointly owned subsidiary of Sumitomo Metal Mining Company (SMM) (80 percent ownership) and Sumitomo Corporation (20 percent ownership). Morenci's first SX/EW facilities were commissioned in September 1987. During the fall of 1999 the Metcalf concentrator was closed, with the Morenci concentrator placed in care and maintenance status in 2001. Morenci operated as a leach-only operation until 2006 when the Morenci concentrator resumed production, with the addition of a concentrate leach plant (CLP) commissioned in October 2007. In 2009, the Morenci concentrator was placed in care and maintenance status until 2011.
In March 2007, FCX acquired PDC. From 2007 through 2013, FCX completed 868 district wide exploration and infill drill holes totaling approximately 1.7 million feet. In 2014, mining and milling production were expanded with the construction of a new concentrator housed in the old Metcalf concentrator facility. In May 2016, FCX sold an additional 13 percent interest in its Morenci unincorporated joint venture to SMM.
The Morenci mine is a well-developed property currently in operation and all previous exploration and development work has been incorporated where appropriate in the access and operation of the property. Exploration or development work is included in the data described in Sections 6 through 11 of this TRS.
6GEOLOGICAL SETTING, MINERALIZATION, AND DEPOSIT
6.1Regional Geology
The Morenci district is located along the southeastern edge of a transition zone between two major geologic and physiographic provinces. The Colorado Plateau is situated about 20 miles to the north whereas the Basin and Range provinces adjoin the mining district to the south and southeast. The district appears as a triangular window of Precambrian through Tertiary-aged rocks that are surrounded and overlain by younger Tertiary and Quaternary rocks.
6.2Deposit Geology
The mineral deposits of the Morenci district consist of copper oxide, secondary sulfide, and primary sulfide mineralization associated with a large porphyry copper system. Geologic studies indicate a complex series of Tertiary igneous intrusive rocks were emplaced within Precambrian-age granite and overlying Paleozoic and Mesozoic sedimentary rocks as shown in Figure 6.1. A porphyry copper deposit formed and was associated with the emplacement and crystallization of intrusive rocks. Several cycles of leaching and enrichment of the primary sulfides formed the secondary sulfide enrichment blanket and copper oxide zones currently being mined. Mineralization spans approximately 5 miles in a north-south direction and 4 miles in an east-west direction.
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Figure 6.1 – Geologic Map of Lithology in the Morenci District
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The Morenci pit in the figure is sometimes referred to as the Ponderosa pit.
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6.2.1Structural Geology
The rocks in the Morenci district have been affected by multiple generations of normal faults reflecting major changes in regional tectonism and stress regimes that have affected the southwestern North American continent and local stress fields (Dickinson, 1989). These structures provided pathways for supergene solutions that were fundamental to the development of secondary sulfide ore bodies in the district. Displacement along normal faults formed basins that localized volcanic and sedimentary cover sequences that preserved the mineralized block from erosion. At least four distinct orientations of faults and veins can be recognized in the Morenci district.
The earliest structural trend consists of high-angle normal faults striking 55 to 75 degrees as shown in Figure 6.2. The Quartzite and Coronado faults placed Paleozoic rocks against Proterozoic granite. Diabase dikes of Tertiary age intruded along the Quartzite and Coronado faults indicate that these structures were open during Laramide intrusive events.
Figure 6.2 – Cross Section of Lithology Through the Western Copper Mining Area
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East-west cross section at 15,000 N projected to original topography. Section A-A’ correlates with the Western Copper Mining Area in Figure 6.4. Elevations are in feet.
Northeast-striking normal faults are the dominant structural orientation of the district and are important controls of magmatism and hypogene mineralization. The monzonite porphyry, older granite porphyry stocks and associated dike swarms are elongated along this trend and is the predominant orientation for quartz-sericite-sulfide veins. The San Francisco fault also strikes northeast; however, while the age of this structure is poorly understood, the San Francisco fault juxtaposes Precambrian and Paleozoic rocks against Tertiary to Quaternary volcanics, conglomerates, and gravels indicating it is significantly younger than the majority of northeast trending structures in the district.
Northerly striking faults form major boundaries to the ore bodies in the district. The Chase Creek fault dips 60 to 70 degrees to the east and extends over 9 miles in the central portion of the district.
Northeast-oriented structures are cut and offset by high-angle northwest-striking faults associated with late Cenozoic Basin and Range development. Northwest-striking faults such as the Kingbolt, Copper Mountain, Morenci Canyon, and Apache faults along the southwestern edge of the Morenci pit and the North fault bounding the northeastern edge of the Shannon block are important controls in the distribution of supergene mineralization.
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Structural models are used to guide the interpretation of mineralization fabric and to bound lithological units. Interpretations of district structures were updated in 2016 to incorporate recent drilling and the latest technology for modeling the faults.
6.2.2Rock Types
In the Morenci district, rocks ranging from Early Proterozoic schist and granite through Paleozoic and Cretaceous sedimentary sequences are overlain and intruded by early to middle Tertiary igneous rocks. Following a protracted period of uplift and erosion, the Clifton-Morenci area was covered by up to 3,200 feet of Oligocene volcanic rocks with subsequent erosion resulting in thick late Miocene through Holocene basin deposits that filled structural lows to the east and southwest of the Morenci block.
Major host rocks include the Precambrian basement, which consists of granite to the north and northwest and granodiorite in the southwestern and southeastern portion of the district, and Paleozoic sedimentary rocks which are restricted to fault-bound blocks that occur in the southwestern portion of the district and in the Shannon and Garfield mine areas.
Laramide intrusive activity is manifested in the Morenci district by a staged series of Paleocene to early Eocene hypabyssal intrusions. Laramide stocks, laccoliths, and associated dikes and sills constitute a comagmatic, calc-alkaline series of porphyritic intrusions, ranging in composition from diorite to granodiorite to quartz monzonite and granite. These intrusions are separated into at least six texturally and mineralogically distinct stages. Three of these stages are associated with hydrothermal fluids responsible for porphyry copper-style chalcopyrite-molybdenite stockwork and skarn mineralization: dacite, monzonite, and older granite porphyries. Figure 6.3 shows a regional stratigraphic column and intrusive history of rocks in the district.
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Figure 6.3 – Regional Stratigraphic Column
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6.2.3Alteration and Mineralization
Primary hypogene mineralization is associated with emplacement of Laramide-age granodiorite to quartz monzonite stocks and dike swarms intruded into Precambrian granite and Paleozoic sedimentary rocks. Quartz-sericite-sulfide alteration and attendant copper-molybdenum mineralization is temporally and spatially associated with the emplacement and cooling of these intrusions. Low-grade hypogene copper mineralization is manifested as quartz-sericite alteration with pyrite-chalcopyrite-molybdenite stockwork veins that overprinted early quartz-orthoclase and biotite vein assemblages.
The style and sequence of hydrothermal alteration and mineralization in the Morenci district can be characterized from vein mineral assemblages and crosscutting relationships. As in many other well-studied porphyry copper systems (Nielsen, 1968; Phillips, Gambell and Fountain, 1974; Beane and Titley, 1981), alteration and vein assemblages in the Morenci ore body appear to vary systematically from potassic alteration near the core and deep within the deposit to sericite-dominated alteration in the upper and central portions. A propylitic zone is present in the fringes of the deposit. Crosscutting relationships among veins associated with these discrete alteration assemblages reflect the evolution of fluids responsible for copper-molybdenum mineralization. Key characteristics of hypogene mineralization are that the potassic-related assemblages are sulfide poor and do not contain significant amounts of copper and the later sericite dominant assemblages contain the bulk of the copper, principally as chalcopyrite.
The supergene zone characteristically displays a massive white appearance reflecting pervasive argillic alteration. Textural destruction is commonly so intense that even
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coarse-grained granitic textures are obscured, making field identification of lithological units difficult.
Anhydrous skarns containing garnet, diopside, wollastonite, marble and hornfels, and hydrous skarns containing tremolite-actinolite, chlorite, epidote, and magnetite developed where the Laramide porphyries intruded Paleozoic sedimentary units.
Most ore mined from the Morenci district and carried in the current operation is the product of supergene oxidation and enrichment processes. Long-lived multiple supergene cycles resulted in an enriched zone localized in the ancestral Chase Creek Canyon. In supergene sulfide zones, chalcocite occurs as thick coatings and complete replacements of pyrite and chalcopyrite.
The form and distribution of supergene mineral assemblages is largely a function of the physical character of the ore body and the nature of the climate and the hydrologic setting at the time of formation. Faults and fractures provide conduits for infiltration of supergene solutions into the host rocks. Supergene profiles typically mirror the current topographic surface. Enrichment and oxidation zones are generally thicker in valleys and thinner at ridge tops.
The predominant oxide copper mineral is chrysocolla. Chalcocite is the most important secondary copper sulfide mineral, and chalcopyrite and molybdenite are the dominant primary sulfide minerals. The mineralogical ore types are described in Table 6.1. A plan view map and cross section highlighting ore type interpretations are provided in Figure 6.4 and Figure 6.5.
Table 6.1 – Morenci District Mineralogical Ore Types
Ore TypeMineralogy
Leached CapIron oxide; may contain residual copper oxide and chalcocite.
Acid Insoluble OxideNative copper, neotocite, tenorite, copper wad, manganese and iron mineraloids; may contain cuprite.
Acid Soluble OxideMalachite, chrysocolla, azurite, brochantite; may contain minor chalcocite, pyrite and/or cuprite.
Mixed Oxide-SulfideChalcocite, pyrite and/or lesser iron and copper oxide minerals.
Supergene SulfideChalcocite, pyrite; may contain accessory chalcopyrite, covellite.
Mixed Supergene SulfideChalcocite, covellite, chalcopyrite.
Mixed Hypogene SulfideChalcopyrite greater than covellite, chalcocite.
Hypogene SulfideChalcopyrite/pyrite dominant, may contain lesser bornite and/or covellite.
UnmineralizedNo visible copper minerals present; may contain pyrite.
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Figure 6.4 – Mineralogical Ore Types through Western Copper Mining Area
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Plan view of 4,525-foot level.
Figure 6.5 – Cross Section of Mineralogical Ore Types through Western Copper Mining Area
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East-west cross section at 15,000 N projected to original topography. Elevations are in feet.
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7EXPLORATION
Morenci is a mature mining district with a long history of exploration. The data, methods, and historical activities presented in this section document actions that led to the initial and continued development of the mine but are not intended to convey any discussion or disclosure of a new, material exploration target as defined by S-K1300.
Exploration outside of the current operation is in collaboration with the FCX Exploration Group and incorporated into the geologic model. A drilling program for material characterization and ore delineation is ongoing at the Morenci mine. Multi-purpose geotechnical and environmental drilling is characterized for inclusion into the geologic model. New drilling was included in the update of the geological resource model to support the mineral reserves and mineral resources. Drilling results added for the model update provide local refinement of the geologic interpretations and grade estimates, but do not materially alter these interpretations and estimates on a district-wide scale.
7.1Drilling and Sampling Methods
The district has been drilled using churn, percussion, conventional rotary, diamond drill core, and reverse circulation (RC) techniques with the majority of the drilling comprised of core and RC methods as shown in Table 7.1. Since 1985, core and RC have been the only drilling methods utilized for exploration and infill drilling. Approximately 83 percent of the historical churn drill hole composites have been mined. There are scattered instances of drilling programs undertaken for environmental or other purposes that have used other drilling methods post-1985.
Table 7.1 – Summary of Drill Programs
Footage
YearsCompany# of HolesChurnRotaryCoreRCTotal
1915 to
1961
PDC and Others569426,748000426,748
1985 to
1995
PDC and Others51025,8990025,899
1937 to CurrentPDC and FCX3,007004,354,99304,354,993
1986 to CurrentPDC and FCX2,1700001,246,5571,246,557
Total5,797426,74825,8994,354,9931,246,5576,054,197
% of Total7.00.471.920.6100.0
Numbers may not foot due to rounding.
7.2Collar / Downhole Surveys
Collar surveying techniques have changed to reflect technology advances in surveying methods, beginning with transit and stadia, progressing to total-station infrared theodolites, and finally to Global Positioning System (GPS) units today. All coordinates are based on the local mine grid system.
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Historically, downhole surveys were not systematically performed. In recent drilling programs, downhole surveys are completed for all angle drilling and for all holes exceeding 500 feet in depth.
Currently, all core and RC drill holes are surveyed downhole using gyroscopic or magnetic methodologies. Surface recording gyroscopic surveys are conducted on 50-foot intervals down the hole. In cases where downhole surveys are not conducted on shallow holes, values from the hole design are used. Downhole surveys are carefully evaluated to review that the current declination has been accounted for and no magnetic rocks were encountered that would influence the accuracy of the survey method. Survey data are part of the district-wide database and are used in the modeling process to locate drill hole intercepts.
Final reports for collar and downhole surveys are included in the drill hole log files. Original films and survey records are stored in a secure facility. Spatial locations of the drill holes are visually validated in the resource modeling software.
7.3Drill Hole Distribution
Indicated resources are typically drilled on a 400-foot grid. Center holes to that grid with approximately 285-foot spacing are used to delineate measured resources. A 200-foot drill grid is required in some pit areas for planning purposes. First-pass evaluations of areas in the district with favorable geological and mineralogical characteristics are often drilled on an 800-foot grid. Depending on the results, additional drilling is undertaken to obtain the tighter spacing required for measured and indicated resources. Drill programs are guided by geological and mineralogical characteristics and by the district mining sequence.
Most of the holes drilled in the district are vertical and are distributed along east-west and north-south orientations. Angle holes constitute about 12 percent of the drilling and are placed in areas to address local geological and mineralogical requirements. Angle drilling is also used where site access issues make it difficult to intersect a drill target with a vertical hole. A portion of the core and RC holes are “twinned” by the other drilling method in each project area to validate sample assay quality. The distribution of drill holes in the district is shown in Figure 7.1.
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Figure 7.1 – Drill Hole Collar Locations
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Topography is as of December 2020. Red dots indicate new holes during 2020. Blue dots
indicate historical drilling included in the model. The purple boundary marks the resource model
extents.
7.4Sample Quality
The current sampling quality is good and is continually being evaluated and validated. Core recovery is consistently in excess of 98 percent. Historically, the core was typically drilled NQ-size diameter (1.875 inches). Since the mid-2000’s, core is typically drilled HQ-size diameter (2.5 inches) except where drilling conditions require reducing to a smaller diameter.
All core and RC samples are taken on 10-foot intervals from the collar. Core samples are split with hydraulic core splitters. A geologist is present during RC drilling to log samples and monitor sample quality. RC samples are split at the drill rig utilizing rotary hydraulic splitters to capture a sample. Split sample analyses show that recovery and grades are
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representative of the material drilled and show no preferential bias of grades due to sampling methods.
Historical churn drill hole samples were evaluated for sample quality by comparing chip board abstracts with the geologic drill log and assay reports. Geologists identified approximately 22,000 feet of historical churn drilling and 24,000 feet of RC drilling as low-quality data that are not used in the geologic resource model.
7.5Sample Logging
Detailed logging is performed on 10-foot assay intervals with finer detail locally as needed. As of 2013, logging is entered directly into a database. Prior to 2013, logging was performed on paper log forms. Historical logs have been scanned and the corresponding survey, assay, and geologic information has been entered into the database.
Geologic logs include detailed descriptions for lithology, alteration, and mineralization. Geomechanical logs include rock quality designation (RQD) and core recovery information. Procedures for RQD, RC, and core logging are documented, and codes and abbreviations are standardized and published in department guidelines. Photographs of drill hole core within the boxes are taken.
7.6Hydrogeology
Hydrogeologic work is part of an innovative workflow that allows reconciliation of observed open-pit slope pore pressures against geotechnical targets and predicted depressurization results. The prediction of expected hydrogeologic responses from the existing and planned additions to the piezometer network, horizontal drain holes, and vertical dewatering wells is generated using a three-dimensional numerical groundwater flow model. Hydrogeological modelling was based on work by third-party consultants from studies completed in 2020.
The Morenci mine works to achieve slope depressurization and dewatering goals and continues to update water management plans to intercept groundwater with horizontal drain hole drilling programs for specific slope depressurization needs, annual piezometer, and vertical wells installation focused on targeted areas, and necessary dewatering rates.
Ongoing hydrogeologic investigation includes:
Design and implementation of appropriate proactive dewatering and slope depressurization measures including a piezometer network, pilot holes, vertical production wells, and horizontal drain holes.
Field activities associated with mine dewatering and pit slope depressurization, including RC pilot borehole hydrogeologic logging, airlift and recovery testing and characterization, water quality testing, dewatering well design, and piezometer design and construction.
Monitoring of production from vertical well and horizontal drain flows, piezometer performance, and pit sump evacuation pumping.
Routine construction and replacement of a groundwater and pore pressure monitoring system utilizing a piezometer network, pilot holes, dewatering wells, and associated pumping and piping infrastructure.
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7.7Geomechanical Data
Geomechanical work includes an integrated workflow to manage needs that include field investigation, slope stability studies, mine dewatering, and pit slope depressurization. A comprehensive geology model is used as a baseline to integrate the stability models to hypothesize failure mechanisms, define geomechanical domains, estimate strength parameters, and identify slope depressurization targets.
The Morenci mine uses limit equilibrium and numerical models to evaluate slope stability and establish annualized depressurization targets required to achieve the slope stability design acceptance criteria for factor of safety and strength reduction factors. Moreover, stability studies update the recommendations for bench geometries, inter-ramp slope angles, and overall slope configurations. Efforts also include stability studies for certain waste dumps and ROM stockpiles. Geomechanical modelling was based on work by third-party consultants from studies completed in 2020.
Televiewer surveying is used on geomechanical holes. A third-party consultant uses the data collected in conjunction with physical examination of the drill hole core to characterize the orientation and properties of the geologic structures.
Ongoing geomechanical investigation includes:
Design and implementation of appropriate proactive geotechnical measures including geomechanical core drilling, televiewer surveying, cell mapping, photogrammetry, and rock testing.
Geomechanical core drilling is planned and executed to characterize the orientation and properties of geologic structures with televiewer surveying to obtain geomechanical parameters, rock testing, and install instrumentation.
Geomechanical models including RQD are used for predicting the spatial variability and assessing rock quality as it relates to the degree of fracturing within the in-situ rock mass.
Structure data is collected through cell mapping and photogrammetry to characterize the orientation and properties of geologic structures.
Rock testing quantities are governed by rock quality and sample availability and include, but not limited to, triaxial tests, uniaxial tests, disk tension tests and small-scale direct shear tests. Testing is performed in accordance with the American Society of Testing and Materials, the International Society for Rock Mechanics, and the British Standards.
Routine replacement and addition of geomechanical drill holes in areas of interest.
These activities are supervised and guided by an expert group specialized in mining geomechanical, hydrogeology, mine dewatering, and pit slope depressurization allowing completion of the geomechanical and hydrogeologic activities to established FCX mining geomechanical standards. The group consists of site personnel, FCX Corporate Geomechanical and Hydrogeology teams, primary geomechanical and hydrogeological third-party consultants, external reviewers, and industry experts.
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7.8Comment on Exploration
In the opinion of the QPs:
The exploration programs completed at Morenci (drilling, sampling, and logging) are appropriate for geologic resource modeling.
The data spacing and distribution is sufficient to establish the degree of geological and grade continuity appropriate for mineral reserve and mineral resource estimation.
The geomechanical and hydrogeologic programs are appropriate to support slope design recommendations according to the established slope design criteria and mine plans.
8SAMPLE PREPARATION, ANALYSES, AND SECURITY
8.1Sampling Techniques and Sample Preparation
Samples are collected on 10-foot intervals. Historically, the first interval of a drill hole was often shortened in order to get the remainder of the samples to correspond to bench elevations. After 1995, the only modifications to sample length are done to accommodate poor recovery zones, or to correct for errors in splitting and sampling. Splits from these samples are composited into 50-foot intervals that correspond to the mining bench height.
The drill core is hydraulically split, with half being sent for assay and the other half retained in the original core box. Split core to be assayed is stored in labeled sample bags in tote containers on-site until shipment is arranged with the assay laboratory. Sample totes are loaded at the Morenci core processing facility and transported to a third-party laboratory facility, Skyline Assayers and Laboratories Incorporated (Skyline) in Tucson, Arizona by Skyline personnel. Periodically, Morenci core is processed (logged and/or sampled) by the FCX Exploration team at the FCX offices in Tucson or FCX drill hole core facility at the Twin Buttes property in Green Valley, Arizona where it may be hydraulically split or sawed. Sampled core is stored in labeled sample bags in totes until shipment is arranged with Skyline. Samples are transported to Skyline by their personnel.
RC samples are collected at the rig from a rotary splitter. Sample quality is monitored by a FCX geologist and includes evaluating conditions such as water flow rate, downhole contamination, and acidity. A sample split is collected as an abstract for visual characterization and a chip tray is created and retained to reflect the relevant material for reference.
All preparation for samples collected prior to July 2005 was completed at the Morenci Analytical Services facility. A minor amount of historical drilling by other companies on local claim blocks were processed by third-party laboratories in Arizona, Utah, and Texas. Samples collected after this date have been prepared by Skyline. Skyline is accredited in accordance with the recognized International Standard ISO/IEC 17025:2005. Its quality management system has been certified as conforming to the requirements defined in the International Standard ISO 9001:2015 Quality Management Systems. The Morenci mine and Skyline laboratories use identical analytical procedures.
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8.2Assaying Methods
Currently, all samples are analyzed for total copper (TCu), acid-soluble copper (ASCu), ferric sulfate-soluble copper assay, known as quick leach test (QLT), and total molybdenum (TMo). The Morenci Leach Test (MLT) assay was developed in 1991 and was the precursor to the current FCX standard QLT analysis. MLTs were typically run only on 50-foot composites until about 2000. An extensive re-assay program was undertaken to obtain QLT assays data for all available 10-foot pulps; however, historical pulps from areas that were mined out were not submitted to the laboratory for QLT analysis.
Atomic absorption spectroscopy is used for TCu assays, while inductively coupled plasma optical emission spectroscopy is used for TMo analyses. Determinations for total iron, total sulfur, zinc, silver, gold, lead, and total manganese are also performed as required.
QLT determinations are obtained for every 10-foot drill sample with a TCu grade that exceeds 0.10 percent. Specific ranges of QLT have been developed for each mineralogical ore type and are used as a tool combined with the observed mineralogy and TCu and ASCu analyses for consistency and standardization of the mineralogical ore type designation for each drill hole interval. The ranges are based on results from column leach tests using standardized extraction parameters.
8.3Sampling and Assay QA/QC
Quality assurance and quality control (QA/QC) procedures were standardized at Morenci by 2008 and have been consistently followed since 2013. Historical QA/QC programs at Morenci are not well documented and any check sample results prior to 2008 are not currently stored in the Morenci database.
Current procedures at the Morenci mine for QA/QC on drill hole samples are as follows:
Standards are inserted on a 1 in 20 basis by Morenci for assay by Skyline. The Morenci mine has historically used both commercial standard reference samples as well as internal standards prepared using locally sourced material. The standards are blind to the laboratory and are added to assess accuracy.
Blanks are utilized and inserted on a 1 in 20 basis to confirm that there is no contamination between samples due to the sample preparation errors at the laboratory. Blanks are derived from washed concrete sand from Safford, Arizona via an on-site concrete batch plant. The blanks are blind to the laboratory.
Duplicates are analyzed on a 1 in 20 basis at every stage of sample reduction: splitting (sample), crushing (crush), and pulverization (pulp). For core samples, the remaining half of split core, normally reserved for reference and metallurgical testwork, is sent to the laboratory as a duplicate sample. For RC samples, a duplicate sample is collected during drilling from the rig mounted cyclone splitter. The sample duplicates are blind to the laboratory. Crush duplicates and pulp duplicates are prepared by Skyline during sample preparation. Each crush duplicate is taken as a split from the crushed material of the corresponding field duplicate sample and each pulp duplicate is taken as a split from the pulverized material of the corresponding crush duplicate
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sample. Duplicate results are used to assess analytical precision and to evaluate the sampling nomograph.
Secondary laboratory checks are performed as part of the QA/QC procedures. Pulps containing assays above the threshold of 0.10 percent TCu were sent to the FCX’s Technology Center facilities in Tucson, Arizona (TCT) and re-assayed as a check for analytical bias at Skyline. Standards and blanks are blindly inserted into this batch of samples. The TCT laboratory is accredited under ISO 9001:2015.
An additional QA/QC measure is the creation of 50-foot laboratory composite samples for assay. These 50-foot analytical composite assays are compared with arithmetic composite values using the 10-foot assay results for the same interval. Prior to implementation of the current check sample insertion procedure outlined above, the comparison of analytical composites to arithmetic composites was the primary quality control measure for drilling results. Currently, this comparison is done periodically during investigation of anomalous results prior to importing analytical results to the drill hole database.
QA/QC data is entered directly into the drill hole database. All QA/QC check assays are examined for acceptability using QA/QC tools in the database software. Assays that meet QA/QC requirements are accepted into the database; those that did not are rejected and reruns are ordered from Skyline.
Skyline maintains internal and independent QA/QC procedures.
8.4Bulk Density Measurements
Specific gravity (SG) measurements on spatially distributed drill core samples have shown little variability among rock types, alteration assemblages and copper mineralization. Samples were evaluated using the water displacement method from holes drilled historically and in the 1994 to 1995 drilling campaign by using the following formula:
SG = weight in air / (weight in air – weight in water)
Assumes water has an SG of 1 and surface tension is not a factor.
Based on historical testing, in-situ bedrock is assigned a tonnage factor of 12.5 cubic feet per ton, and stockpile and fill materials are assigned a tonnage factor of 16.5 cubic feet per ton. A 1997 Morenci mine study shows an average in-situ tonnage factor for all rock types of 12.53 cubic feet per ton. The primary host rock in the district is Precambrian granite and tests indicate a tonnage factor of 12.51 cubic feet per ton. These internal studies support the tonnage factor used for in-situ rock. SG measurements are incorporated into the district-wide database.
8.5Comment on Sample Preparation, Analyses and Security
In the QP’s opinion, sample preparation, analytical methods, security protocols, and
QA/QC performance are adequate and supports the use of these analytical data for mineral reserve and resource estimation.
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9DATA VERIFICATION
9.1Data Entry and Management
Drill hole information is maintained in a database and managed by a database manager that has full access and the ability to restrict and monitor access for other end users. This database manager coordinates and controls the entry of all geologic information into the district-wide drill hole database.
Analytical data is loaded into the database directly from the laboratory via software importers. Prior to loading, the information is checked and validated. As needed, analytical results are rejected, and the relevant samples are reanalyzed. There is no manipulation of the assay information.
Outlier evaluations are routinely completed for 10-foot assay intervals for all mineralogical coding. The analytical values are compared to visual estimates as a check of the logging quality and the assay values. Assay intervals are validated and checked against the actual sample intervals.
Collar survey data is loaded directly from GPS units into the database. Collar locations are checked against surveyed topographic surfaces. Downhole surveys are examined for anomalous changes in azimuth and dip between adjacent surveys in cross section before they are imported into the database.
For historical drill holes, collar coordinates, downhole surveys, assays, lithology, mineralogy, fault structure, and alteration codes were manually entered from the original core logging sheets. The transfer and validity of this data has been frequently checked during various model updates throughout the years.
9.2Comment on Data Verification
As confirmation of the mineral reserve and resource process, third-party consultants are occasionally hired to perform verification studies. The Morenci mine was last reviewed for year-end reporting during 2019. The study included database checks and concluded that the lithological logs and assay sheets correlate well with the lithology and mineralization observed in the core and no discrepancies were identified in total or acid soluble copper or molybdenum grades when comparing Skyline assay certificates from assay data in the drill hole database.
The QP has been involved in recent model audits of the Morenci mine including reviews of the drill hole data. The data has been verified and no limitations have been identified. Furthermore, the QP worked on Morenci drill hole core logging and various aspects of resource model updates from 2011 to 2016.
In summary, data verification for the Morenci mine has been performed by mine site and FCX corporate staff, and external consultants contracted by FCX. Based on reviews of this work, it is the QP’s opinion that the Morenci mine drill hole database and other supporting geologic data align with accepted industry practices and are adequate for use in mineral reserve and mineral resource estimation.
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10MINERAL PROCESSING AND METALLURGICAL TESTING
Mineral reserves and mineral resources are evaluated to be processed using hydrometallurgy and/or concentrating (mill) operations. The applicable processes and testing are discussed below.
10.1Hydrometallurgical Testing and Recovery
Hydrometallurgical recovery is estimated based on the recoverable copper content and the time required to extract the recoverable copper. The final recovery is realized only after multiple leaching passes or cycles on the stockpiles. A leach cycle consists of solution application to a leach pad, followed by a rest period without solution application. Subsequent leach cycles recover diminishing portions of remaining copper.
Hydrometallurgical recoveries at the Morenci mine have been developed from a combination of assay results to determine the range of mineral solubilities, column leach testing using standardized practices by the FCX’s Technology Center (TC) facilities outside Safford, Arizona, on-site pilot plant testing, and monitoring of field results. The TC is FCX owned and operated, and the analytical labs are ISO 9001:2015 certified. Recoverable copper content and kinetic recovery curves vary by ore type and applied leach cycles. Leach production results are tracked over many years to confirm actual hydrometallurgical recoveries. The long-term leach recoveries by ore type and process are listed in Table 10.1 for hydrometallurgy operations.
Table 10.1 – Hydrometallurgical Recoveries
Ore Type DescriptionCopper Recovery by Process (%)
MFLS-ROMX-ROMLow-GradeMEH
Leached Cap47.729.1
Mixed Oxide-Sulfide82.653.653.633.9
Supergene Sulfide79.651.551.528.9
Hypogene Sulfide4.824.3
Acid Soluble Oxide86.159.664.643.6
Acid Insoluble Oxide47.747.729.1
Mixed Hypogene Sulfide21.813.924.8
Mixed Supergene Sulfide51.231.631.619.339.5
Crushed leach ore has sufficient grade to facilitate crushing and conveying to the leach pads in order to improve liberation of the contained copper minerals. This is the Mine for Leach (MFL) process. ROM leach pad stockpiles receive ores that are transported directly to the pads. Sulfide and oxide ROM leach pads (S-ROM, X-ROM) are used to distinguish mineralogies. Low-Grade ROM leach pads are dumped into thicker lifts than other pads with a resultant lower estimated recovery. Morenci Engineered Heap (MEH) are ROM leach pad stockpiles where air is added to facilitate recovery of sulfide mineralogy. Discounts in recovery are made to recognize differing host lithologies.
Additional supergene sulfide ore testing is underway to validate recovery assumptions for this material for ROM processing. Supergene sulfide is a principal ore type delivered to the leach pad stockpiles. Based on improvements in particle size and leach solution
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chemistry, column testing is in process to verify an appropriate recovery estimate, which may increase from current assumptions.
Field results are a combination of ore type deliveries to the leaching processes. Actual results of the aggregate copper recovery compare favorably to the estimated recoveries and it is the QP’s opinion that the recovery estimates and kinetic recovery curves are reasonable.
10.2Concentrating Metallurgical Testing and Recovery
The estimated copper recovery of the concentrating process has been validated with actual concentrator performance data. Table 10.2 and Table 10.3 summarizes copper and molybdenum recoveries.
Table 10.2 – Concentrator Copper Recoveries
Ore Type DescriptionCopper Recovery (%)
Supergene Sulfide81.7
Hypogene Sulfide86.7
Supergene Mixed79.8
Hypogene Mixed86.7
Table 10.3 – Concentrator Molybdenum Recoveries
Mine AreasMolybdenum Recovery (%)
Morenci ConcentratorMetcalf Concentrator
Western Copper and Ponderosa Areas51.049.3
All Other Areas34.032.3
Discounts in recovery are made to recognize differing host lithologies. Due to ore blending, it is not possible to measure concentrator recovery by ore type. The aggregate copper recovery compares favorably with estimated recovery, indicating that recovery estimates are reasonable and applicable to current operations and mineral reserve and resource estimation.
Copper recovery has been approximately 1 percent higher than estimated over recent years. During the same time period, molybdenum recovery has been approximately 5 percent lower than estimated, primarily due to collective flotation circuit performance. Supergene sulfide, hypogene sulfide, supergene mixed and hypogene mixed ores are anticipated to be the principal concentrator ore types, so the copper and molybdenum model recovery estimates are reasonable and are adequate for both LOM and near-term forecasting, since they represent current operating performance when processing these ores.
Significant metallurgical testing has been conducted by Morenci metallurgical staff and TC personnel to develop a data set that will be used for geometallurgical modeling. The major metallurgical activities included flotation and comminution testing and
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mineralogical analysis including quantitative evaluation of minerals by scanning electron microscopy and x-ray diffraction. Details of geometallurgical testwork include:
Geometallurgical test program on 67 drill hole samples collected from the Western Copper open-pit area conducted during 2015 to 2017. Scope of work for the program included laboratory kinetic flotation tests and Bond Work Index comminution tests to support the development of a throughput model and to generate rougher flotation response data to support development of recovery models.
Geometallurgical flotation test program on 161 drill hole samples during 2016 to support development of recovery models.
10.3Comment on Mineral Processing and Metallurgical Testing and Recoveries
In the opinion of the QPs, the metallurgical testwork completed has been appropriate to establish reasonable processing methods for the different mineralization styles encountered in the deposits. Geometallurgical samples are properly selected to represent future ores, and recovery factors have been confirmed from production data collected from ore processed in the open-pit. As a result, the processing and associated recovery factors are considered appropriate to support mineral reserve and mineral resource estimation and mine planning.
11MINERAL RESOURCE ESTIMATE
Mineral resources are evaluated using the application of technical and economic factors to a geologic resource block model and employing optimization algorithms to generate digital surfaces of mining limits, using specialized geologic and mine planning computer software. The resulting surfaces volumetrically identify material as potentially economical, using the assumed parameters. Mineral resources are the resultant contained metal inventories.
11.1Resource Block Model
Relevant geologic and analytical information is incorporated into a three-dimensional digital representation, referred to as a geologic resource block model. The Morenci mine resource block model was updated on January 22, 2021, with an effective date for exploration drill hole data of December 14, 2020. The Morenci resource block model includes mineralogical ore type interpretations for the Morenci district based on drilling and projections from production data and interpolation parameters which distinguish geostatistical domains between the Western Copper area and the remainder of the district, to recognize unique geologic trends between mining areas.
11.1.1Compositing Strategy
Ten-foot drill hole assay intervals are combined into 50-foot composites, corresponding to the mine bench height. No minimum or maximum length requirement is imposed on the compositing routine; however, holes shallower than 45 degrees are composited to a fixed length of 50 feet, preventing excessive composite lengths for flatter holes.
Grade interpolation requires a minimum composite length of 25 feet, which corresponds to half the bench height. The composites are assigned a mineralogical ore type code based on the majority ore type present in the assay intervals that comprise the
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composite. Outlier evaluations of assay grades and ore type codes are performed and validated against the composite ore type codes so that they are representative of the composite make-up. All ore type outliers are evaluated by a geologist and assigned an ore type code.
In order to improve the transition of interpolated grades across ore type boundaries, composites are assigned one or more modal ore types. Modal ore types are assigned based on the mineralogical ore types of the sample intervals within the composite and the TCu, ASCu, and QLT grades of the composite.
11.1.2Statistical Evaluation
Assay values and geologic codes for each mineralogical ore type are evaluated using classical statistical parameters (mean, standard deviation, number of samples, etc.). Histograms and cumulative frequency plots are used to conduct detailed analyses of sample population data. Assay and composite statistics are compared for each ore type. Outlier evaluations of TCu, ASCu, and QLT versus mineralogy codes are routinely performed on the basis of assigned ore type for each assay interval and composite sample intervals. The comparison between the sample types and outlier evaluations of these samples are integral parts of the modeling process and are utilized for consistency and standardization of the ore type code assignment.
General relative variograms are calculated for each ore type and models are fit to the experimental data to evaluate continuity of grade and directional trends within ore type domains. Experimental variograms are fit with nested models. Nested models provide a better fit to the variogram data, especially for sample pairs nearest to the origin. Use of nested models improves local grade estimation and slightly extends the range for selected ore types.
The Morenci district model is split into seven lithological and structural domains for interpolation. In domains where blast hole data is available in sufficient quantity, anisotropy defined by this blast hole data is used to generate the directions for the drill hole variograms. The rest of the district domains use variograms generated strictly from exploration drill hole data. The distance, range, nugget, sill, and spatial variance values obtained from the variogram for each ore type are dependent on the mineralization style and geology for that specific area of the district. These variogram parameters are evaluated by cross validation techniques for kriging and inverse distance interpolation methods. Point validation is performed to calibrate variogram parameters. Mean absolute difference among kriged block values and mean grade of composites used to assign grade is also optimized through point validation techniques.
11.1.3Block Model Setup
Model limits and block sizes for the geologic resource block model are shown in Table 11.1. The Morenci model is a single district-scale block model constructed using geological modeling software. The model is not rotated, and coordinates are based on the Morenci mine coordinate system. The spatial limits of the model encompass the known extents of mineralization. Horizontal block size is based on geostatistical rules and the size of the smallest geological features that can be reasonably modeled. Vertical block size matches the bench height for the Morenci mine open-pit operations.
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Table 11.1 – Morenci Block Model Parameters
DirectionMinimumMaximumSize (feet)# of Blocks
X-East-23,040080288
Y-North4,96032,00080338
Z-Elevation-2,0007,50050190
11.1.4Topography
Three types of topographic representations are used in the geologic resource model. The original, current, and planned stockpile topographic surfaces are provided by the site mine engineering staff. Geological features are interpreted to original topography. The estimated year-end topographic surface is used for mine planning and to estimate remaining in-situ mineral reserves and mineral resources.
11.1.5Geologic Model Interpretation
Mineralogical ore types are interpreted on cross sections and bench levels and are updated with blast hole and drill hole data. East-west and north-south cross sections spaced at 200-foot increments are interpreted. Levels are interpreted at the mid-bench height every 50 feet. There are 117 east-west sections, 116 north-south sections, and 102 level plans interpreted.
Large district-scale faults have been interpreted and are used to constrain lithology and ore type interpretations. Lithology is coded using Nearest Neighbor (NN) assignment from drill hole composites followed by coding from level plan polygons in areas that have section and level interpretation or from three-dimensional wireframe solids generated from drill hole and blast hole data. Ore type interpretations are guided by rock types and structural fabrics.
11.1.6Grade Estimates
Grade interpolation and search distances for Ordinary Kriging (OK), Inverse Distance Weighting (IDW), and NN methods are based on the statistical and geostatistical analyses. Copper grade interpolation is constrained by similar ore types in the drill hole composites, block model boundaries, variography of each ore type, and by geologic and mineralogical ore type features of the deposit. Interpolation constraints utilize geologic matching of modal ore type in composites with block ore type to create soft boundaries for supergene and hypogene copper mineralization. Molybdenum uses grade shell boundaries with modal ore type matching on concentrator versus copper leach ore types.
Distribution of block model grades are evaluated visually, statistically compared to corresponding drill hole and composite values, and vetted against production data. TCu, ASCu, and TMo grades from Area Influenced Kriging (AIK) are used for mine planning purposes with the exception of one domain that utilizes a combination of OK with grade shells for TCu and ASCu that performs better in predicting narrow zones of grade that are recognized in the domain.
A minimum of 1 composite is required to interpolate a block, using a maximum search distance of 800 feet in all directions. The maximum number of composites is set to 12 (maximum of 3 per hole), requiring at least 4 holes for the estimation. Validation of these
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methods comes from geostatistical evaluation of composite data, grade-tonnage curves, and reconciliation to production models. Interpolation search distances are derived from variogram modeling and are spatially appropriate for a porphyry copper system.
For all other interpolation methods, ore type specific high-grade restrictor values are determined via geostatistical outlier analysis and composite grades above these restrictor values are capped at the restrictor value when used to interpolate blocks more than 50 feet from the high-grade composite.
11.1.7Bulk Density
Since bulk density has minimal variability between the different rock types, all blocks coded as hard rock are assigned a tonnage factor of 12.5 cubic feet per ton. All blocks coded as stockpile and fill material are assigned a tonnage factor of 16.5 cubic feet per ton.
11.1.8Mineral Resource Classification
Drill hole spacing and the number of composites used for interpolation are key components in evaluating the uncertainty of mineral resource estimates. Approximately 92 percent of the drilling at the Morenci mine is core and RC. Suspect drill holes have been identified so as not to be used; therefore, sample type is not a consideration in assessing uncertainty of the mineral resource estimates.
FCX’s experience with porphyry copper deposits has established drill hole spacing criteria that provide estimates of ore tonnage, grade and contained and recoverable metal meeting corporate standards for each process method. The required drill hole spacing considers uncertainty in grade estimates as well as geometric uncertainty associated with geologic interpretation of copper ore types, rock types, copper, and molybdenum grade shells. Experience has shown that drill spacing of 285 and 400 feet are adequate for determination of measured and indicated mineral resources, respectively, and inferred resources can be projected up to 800 feet from a drill hole.
Resource classification is established based on a single set of criteria across the district, using restrictions on the total number of composites used and the number of composites per drill hole as a proxy for drill hole spacing. To establish resource classification, the following parameters are used:
The distance to the closest composite used for interpolation.
The average distance to all composites used.
The number of composites and the number of drill holes used.
These items are used in conjunction with geostatistical analyses and the criteria described above to establish measured, indicated, and inferred resource classifications as shown in Table 11.2.
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Table 11.2 – Resource Classification Criteria
Resource ClassificationMinimum # CompositesMaximum Range (feet)
Measured12285
Indicated8400
Indicated6285
Inferred1800
Range is the average distance to the composites. Maximum range is the maximum allowed average distance to composites for resource classification assignment. The maximum ranges correlate with the district drill hole sample spacing for each resource classification. Indicated resource classification is determined by either strategy using less composites at a closer range or more composites at a further range.
11.1.9Model Validation and Performance
The geologic resource model is evaluated by visual inspection, statistical analyses, and comparison with the blast hole model. Reconciliations between the resource model and blast hole models provide a measure of uncertainty associated with mineral resource classification.
Cross sections and level plans showing block model codes and drill hole composites are visually examined to verify proper coding of rock type and mineralogical ore type. Similarly, block model grades are compared with supporting composite values. These inspections show that block model values compare well with the drill hole composites.
Comparisons among assay, composite, and block model grades are performed for each mineralogical ore type as an integral part of the model process. Estimated grades in the model are evaluated by statistical analyses including cumulative probability plots of assays, composites, and blocks. The cumulative probability plots are developed to review that the block grade distributions mimic the distributions of the underlying data. Block model AIK, OK, and IDW results are compared with the composite data and NN estimates.
As confirmation of the mineral reserve and resource process, third-party consultants are occasionally hired to perform verification studies. The Morenci mine was last reviewed for year-end reporting during 2019, concluding that “the block model was developed using industry standard practices and is a fair and reasonable representation of the drill hole data”.
FCX corporate standards are that the resource model should be within 10 percent of the blast hole model for tonnage, grade, and contained or recoverable metal over a 12-month period. For sites such as the Morenci mine with multiple processing methods, comparisons are made for each, but consideration is given to the processing method that represents the greatest proportion of production. The comparison between the resource model and the blast hole model indicates that the resource model meets FCX criteria.
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11.1.10Comment on Geologic Resource Model
The Morenci mine has a long history of mining and has been the subject of numerous geological studies. In the opinion of the QP, who is a member of the FCX Resource Model Audit Team and has participated in reviews of the most recent model updates:
The Morenci geology staff has a good understanding of the lithology, structure, alteration, and copper mineral types in the district. The understanding of the controls on mineralization are adequate to support estimation of mineral reserves and mineral resources.
The understanding and interpretation of ore types based on copper mineralogy is a key component to supporting classification of mineral reserves and mineral resources by process method.
The geological knowledge of the district is sufficient to provide reliable inputs to mine planning, geomechanics and metallurgy.
The geologic resource model has been completed using accepted industry practices.
The model is suitable for estimation of mineral reserves and mineral resources.
11.2Resource Evaluation
Mineral resource estimates are developed by applying technical and economic modifying factors to the geologic block model to identify material with potential for economic extraction. The process of evaluation is iterative involving an initial draft using the assumptions, understanding the implications of the resulting economical mining limits, and adjusting the assumptions as warranted for subsequent evaluations.
Mineral resource estimates are determined using measured, indicated, and inferred classified materials as viable ore sources during evaluations with the modifying factors.
11.2.1Economic Assumptions
FCX executive management establish reasonable long-term metal pricing to be used in determining mineral reserves and mineral resources. These prices are based on reviewing external market projections, historical prices, comparison of peer mining company reported price estimates, and internal capital investment guidelines. The long-term sale prices align the company’s strategy for evaluating the economic feasibility of the mineral reserves and mineral resources.
Unit costs are derived from current operating forecasts benchmarked against historical results and other similar operations. Additional input from appropriate internal FCX departments such as Global Supply Chain, Sales and Marketing, and Finance and Accounting are considered when developing the economic assumptions.
To recognize the relationship between commodity prices and principal consumable cost drivers, FCX scales unit costs to reflect the cost environment associated with the reported metal prices. This is evidenced in the differences in economic assumptions between mineral reserves and mineral resources.
The metal price and cost assumptions are used over the timeframe of the expected life of the mine and reflect steady-state operating conditions in the metal price cost environment. Details of the economic assumptions are outlined in Table 11.3.
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11.2.2Processing Recoveries
Processing recoveries are outlined in Section 10.
11.2.3Physical Constraints
Slope angle recommendations are provided by FCX geomechanical groups and third-party consultants. The recommendations are derived from empirical analysis of geological and hydrogeological modeling, drill hole results, and in-field measurements.
Boundary limits for resource evaluation include property ownership and permitting limits, and additional major infrastructure relocation requiring capital investment for boundary expansions.
11.2.4Time-Value Discounting
To recognize the time delay in extracting increasingly deeper portions of the mine as part of the mining process, FCX uses bench discount factoring for resource evaluation processes. This factor discounts each block’s value relative to the block’s elevation in the geologic block model, effectively assigning a higher relative value to material located closer to the surface than deeper material, which cannot be accessed until overlying material has been removed.
Additionally, hydrometallurgical processes achieve final recoveries after a period of years of repeated solution applications whereas concentrating process recoveries are realized on a more immediate timeframe. In recognition of this distinction, a time-value discount is applied to hydrometallurgical recovery based on the planned recovery curves.
11.2.5Cutoff Grades
A cutoff grade is used to determine whether material should be mined and if that material should be processed as ore or routed as waste. The mine planning software evaluates the revenue and cost for each block in the block model to determine routing, selecting material that has a reasonable basis for economic extraction using the provided assumptions. The following formula demonstrates how the cutoff grades are determined within the software:
Internal cutoff grade = Sum of [processing costs + general site and sustaining costs] / Sum of [payable recoverable metal * (metal price – metal refining and sales costs)]
A break-even cutoff grade calculation is similar to the internal cutoff grade formula but includes mining costs. Blocks with grades above the break-even cutoff grade generate positive value, while blocks with grades above the internal cutoff grade minimize negative value. The cutoff grades reported for mineral resources reflect the internal cutoff grades based on economical destination routing from the software results.
Input parameters are applied to individual deposits and distinct ore types as appropriate. Unique parameters can result in distinct cutoff grades. Cutoff grades are reported in terms of an Equivalent Copper Grade (EqCu) defining the relative value of all commercially recoverable metals in terms of copper by ore processing methods.
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11.2.6Economic and Technical Assumptions
The economic and technical assumptions used for the generation of potentially economical mining limits are summarized in Table 11.3.
Table 11.3 – Economic and Technical Assumptions for Resource Evaluation
table113economicandtechnic.jpg
It is noted in comparison of current metal prices, mineral reserve and mineral resource price estimates reported by peer mining companies, and market analyst forecasted long-term prices that the assumed price of copper could be considered conservative. Although these sources serve as reference points, higher metal prices and associated costs indicate that additional mineral resources would be profitable in higher metal price environments thus extending the projected life of the mine. As such, the copper price assumptions are considered appropriate for determining mineral reserves and mineral resources.
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11.3Mineral Resource Statement
The mineral resource estimate is the inventory of material identified as having a reasonable likelihood for economic extraction inside the mineral resource economical mining limit, less the mineral reserve volume, as applicable. The modifying factors are applied to measured, indicated, and inferred resource classifications to evaluate commercially recoverable metal. As a point of reference, the in-situ ore containing copper and molybdenum metal are inventoried and reported by intended processing method.
The reported mineral resource estimate in Table 11.4 is exclusive of the reported mineral reserve, on a 100 percent property ownership basis. The mineral resource estimate is based on commodity prices of $3.00 per pound copper and $12 per pound molybdenum.
Table 11.4 – Summary of Mineral Resources
table114summaryofmineralre.jpg
Extraction of the mineral resource may require significant capital investment, specific market conditions, expanded or new processing facilities, additional material storage facilities, changes to mine designs, or other material changes to the current operation.
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In the opinion of the QP, risk factors that may materially affect the mineral resource estimate include (but are not limited to):
Metal price and other economic assumptions.
Changes in interpretations of continuity and geometry of mineralization zones.
Changes in parameter assumptions related to the mine design evaluation including geotechnical, mining, processing capabilities, and metallurgical recoveries.
Changes in assumptions made as to the continued ability to access and operate the site, retain mineral and surface rights and titles, maintain the operation within environmental and other regulatory permits, and social acceptance to operate.
Uncertainty in geological resource modeling is monitored by reconciling model performance against actual production results, as part of the FCX geologic resource model verification process.
11.4Comment on Mineral Resource Estimate
The mineral resource estimate has been prepared using industry accepted practice and conforms to the disclosure requirements of S-K1300. Mineral reserve and mineral resource estimates are evaluated annually providing the opportunity to reassess the assumed conditions. Although all the technical and economic issues likely to influence the prospect of economic extraction of the resource are anticipated to be resolved under the stated assumed conditions, no assurance can be given that the estimated mineral resource will become proven and probable mineral reserves.
12MINERAL RESERVE ESTIMATE
Mineral reserves are summarized from the LOM plan, which is the compilation of the relevant modifying factors for establishing an operational, economically viable mine plan. The LOM plan incorporates:
Scheduling material movements for ore and waste from designed final mining excavation plans with a set of internal development sequences, based on the results of the resource evaluation process.
Planned production from scheduled deliveries to processing facilities, considering metallurgical recoveries, and planned processing rates and activities.
Capital and operating cost estimates for achieving the planned production.
Assumptions for major commodity prices and other key consumable usage estimates.
Revenues and cash flow estimates.
Financial analysis including tax considerations.
Mineral reserves have been evaluated considering the modifying factors for conversion of measured and indicated resource classes into proven and probable reserves. Inferred resources are considered as waste in the LOM plan. The details of the relevant modifying factors included in the estimation of mineral reserves are discussed in Sections 10 through 21.
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The LOM plan includes the planned production to be extracted from the in-situ mine designs and from previously extracted material, known as WIP inventories. WIP includes material on crushed leach and ROM leach pads for processing, and in stockpiles set aside to be rehandled and processed at a future date. WIP is estimated as of December 31, 2021 from production of reported deliveries through mid-year and the expected production to the end of the year.
12.1Cutoff Grade Strategy
The cutoff grade strategy is a result of the mine plan development, determined by the economic evaluation of the mineral reserves via strategic long-range mine and business planning. Economic cutoff grades are determined from the LOM planning results and can vary based on processing throughput expectations, ore availability, future ore and overburden requirements, and other factors encountered as the mine operates. This approach is consistent with accepted mining industry practice. Cutoff grades reported are the minimum grades expected to be delivered to a processing facility.
12.2Mineral Reserve Statement
As a point of reference, the mineral reserve estimate reports the in-situ ore and WIP inventories from the LOM plan containing copper and molybdenum metal and reported as commercially recoverable metal.
Table 12.1 summarizes the mineral reserves reported on a 100 percent property ownership basis. The mineral reserve estimate is based on commodity prices of $2.50 per pound copper and $10 per pound molybdenum.
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Table 12.1 – Summary of Mineral Reserves
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In the opinion of the QP, risk factors that may materially affect the mineral reserve estimate include (but are not limited to):
Metal price and other economic assumptions.
Changes in interpretations of continuity and geometry of mineralization zones.
Changes in parameter assumptions related to the mine design evaluation including geotechnical, mining, processing capabilities, and metallurgical recoveries.
Changes in assumptions made as to the continued ability to access and operate the site, retain mineral and surface rights and titles, maintain the operation within environmental and other regulatory permits, and social acceptance to operate.
As confirmation of the mineral reserve and resource process, third-party consultants are occasionally hired to perform verification studies. The Morenci mine was last reviewed for year-end reporting during 2019, concluding that “the reserves reported by Morenci mine are consistent with industry standard practices”.
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The positive economics of the financial analysis of the LOM plan demonstrate the economic viability of the mineral reserve estimate.
12.3Comment on Mineral Reserve Estimate
The mineral reserve estimate has been prepared using industry accepted practice and conforms to the disclosure requirements of S-K1300. Mineral reserve and mineral resource estimates are evaluated annually, providing the opportunity to reassess the assumed conditions. All the technical and economic issues likely to influence the prospect of economic extraction are anticipated to be resolved under the stated assumed conditions.
Mineral reserve estimates consider technical, economic, and environmental, and regulatory parameters containing inherent risks. Changes in grade and/or metal recovery estimation, realized metal prices, and operating and capital costs have a direct relationship to the cash flow and profitability of the mine. Other aspects such as changes to environmental or regulatory requirements could alter or restrict the operating performance of the mine. Significant differences from the parameters used in this TRS would justify a re-evaluation of the reported mineral reserve and mineral resource estimates. Mine site administration and FCX dedicate significant resources to managing these risks.
13MINING METHODS
The Morenci mine has a long operational history and mining conditions are well understood by the site and FCX corporate staff. The mining method is a conventional truck and shovel, open-pit operation.
13.1Mine Design
The results of the reserve economical mining limit evaluation discussed in Section 11 is used as guides to develop the final mine design and the phased pushback designs for mine sequencing. Mine designs are developed using specialized mine design computer software.
13.1.1Pit Slope Design Parameters
Slope angle recommendations are determined and reviewed by FCX engineers and third-party consultants. These recommendations are based on comprehensive geomechanical testing, studies, and the geomechanical monitoring procedures in the field.
Haul roads and geomechanical catchment berms or step-ins, in conjunction with the recommended inter-ramp slope angles, determine the overall pit slope angles for the design. Inter-ramp slope angles account for differences in rock quality and can include single or double bench designs and various catch bench widths. Ten pit slope domains have been defined at the pit areas, each with different design inter-ramp slope angles. The inter-ramp slope angles vary between 37 to 54 degrees and bench face angles vary between 68 to 75 degrees.
Figure 13.1 provides the pit slope domain areas for the Morenci mine. Pit wall slopes are designed with inter-ramp slope angles assigned to each of those domains.
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Figure 13.1 – Pit Slope Domains
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13.1.2Geomechanical and Hydrological Modeling
Geomechanical and hydrological modeling is discussed in Section 7.
The performance of the open-pit wall slopes is monitored with a network of geomechanical and hydrogeological instrumentation. The Morenci mine uses instrumentation that includes slope stability radars, laser scanners, satellite monitoring, extensometers, inclinometers, time domain reflectometry, piezometers, seismic blast monitoring, GPS tracking, and robotic survey stations. Groundwater and pore pressure
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are controlled with dewatering wells and horizontal drain holes for specific slope depressurization needs as the pit area increases during the life of the mine. The monitoring plan defines responsibilities and outlines the monitoring procedures and trigger points for the initiation of specified remedial measures if movement is detected, and it is the basis for the design of any required remedial measures.
13.1.3Final Mine Design
Using specialized computer software, mine designs are developed with key considerations that include:
Compliance with the geomechanical recommendations.
Reasonable haul road widths and effective grades.
Operational bench height that is safely manageable with the loading equipment, in single and/or double bench configurations where allowable.
Adequate mining width for practical mining.
Locating pit exits near to material destinations as practical.
Infrastructure location requirements and other boundary restrictions.
Mine sequencing that maintains continuous production throughout the mine life.
Mine designs are reviewed for compliance to key parameters and reasonableness with comparison to historical and current operating practices. The reserve final mine design is illustrated in Figure 13.2.
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Figure 13.2 – Final Mine Design
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The final mine design is approximately 3.4 miles in width (east-west) and 4.5 miles in length (north-south). The expected depth of the pit is about 3,700 feet, ranging from 2,550 to 6,250 feet above sea level. Mining is designed to take place on 50-foot benches, with pit slopes allowing for double bench configuration where feasible.
The haul ramps are planned with a width of 130 feet and with a 10 percent grade but can vary in different sections of the ramp. They are designed to accommodate the current truck fleet.
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13.2Mine Plan Development
The mine plan is developed based on supplying ore to the processing facilities considering equipment production rates, the mining advance rate through the deposit, ore/waste routing, waste stripping requirements, material storage facility capacities, and expansion opportunities. LOM plan schedules are developed using specialized mine planning software.
The mine plan is developed utilizing measured and indicated mineral resource material only. Resource material that is classified as inferred within the mine design is considered waste for LOM planning and mineral reserve estimation.
The deposit is a typical disseminated porphyry type copper deposit, where contact dilution is incorporated into the grade estimation process. As a result, no additional dilution assumption is applied.
Mining ore block recovery is directly related to the mining dilution. Mining recovery in open-pit mines tends to be very high, particularly in disseminated deposits associated with large loading equipment. As result, mining ore block recovery is assumed at 100 percent.
The mine plan is scheduled to ramp up to deliver a targeted average mill production rate of 150,000 tons of ore per day by 2024 through 2036, then reduces to an average of 90,000 for the final years. The plan is scheduled to ramp up to deliver a targeted average crushed leach production rate of 90,000 tons of ore per day by 2023. ROM leach deliveries are variable with an average of 367,000 tons of ore per day. The LOM plan stripping ratio (waste tonnage over ore tonnage) at the Morenci mine is 0.41. Mining activities are projected to end in 2041, when the current reserves are expected to be exhausted.
The mine production rate and expected mine life are illustrated in Figure 13.3.
Figure 13.3 – Total Tonnage Planned Material Movement
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The LOM plan does not include plans for underground development. There is limited backfilling of the open-pit planned to accommodate the U.S. Highway 191 relocation and
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improve haulage flexibility between the Western Copper and Ponderosa mine areas. Future studies could further these options as viable improvements to the mine plan development.
13.3Mine Operations
Mine unit operations include drilling, blasting, loading, hauling, and auxiliary support.
Primary production equipment is used to mine ore and waste, and as of December 31, 2021, comprises of 14 blast hole drills, 13 electric rope shovels with bucket sizes ranging from 62 to 74 cubic yards, 5 front end loaders, and 154 trucks with a 267-ton payload factor. The primary production equipment is supported by a fleet of ancillary equipment including track dozers, wheel loaders, motor graders, backhoes, and water trucks. Support equipment is used for building access roads, road maintenance, and other mine services.
The LOM plan includes equipment units up to 13 electric rope shovels and 159 haul trucks. Mine equipment is replaced or rebuilt after its useful life is achieved. Costs for mine equipment replacements and additions are accounted for in the financial modeling.
The site is in operation with experienced management and sufficient personnel. The mine operates 365 days per year on a 24 hour per day schedule. Operational, technical, and administrative staff are on-site to support the operation. As of December 31, 2021, mine operations have 1,706 employees with additional contractors available as needed.
14PROCESSING AND RECOVERY METHODS
The process facilities operate 365 days per year with exceptions for maintenance. The facilities have a long operating history. FCX and the Morenci mine anticipate that the site will have adequate energy, water, process materials, and permits to continue operating throughout the LOM plan. Figure 14.1 illustrates an overview process map.
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Figure 14.1 – Site Process Diagram
figure141siteprocessdiagram.jpg
Ore can be directed through hydrometallurgical or concentrating facilities. The hydrometallurgical operation consists of crushed and ROM leach pads, stacking equipment for ore placement, a CLP facility, four SX plants, and three EW facilities. The hydrometallurgical process produces a high-quality copper cathode.
Primary and certain secondary sulfide ores are processed in the concentrating facilities. The concentrating operation contains two concentrators and a molybdenum processing plant, which produce a copper concentrate and a molybdenum concentrate.
These processing methodologies are accepted industry practices for the types of mineralization found at the mine site and are supported by recovery results.
14.1Hydrometallurgical Processing Description
Oxide and secondary sulfide ores from the mine are delivered to leach pads. The SX/EW plant is designed to extract copper from the pregnant leach solutions (PLS) collected from the site’s leach pads. Copper is extracted from the ores by using a grid solution system to deliver an aqueous solution containing acid from the plant, called raffinate, to the leach pads. As this acidic solution passes through the heaped material, it extracts copper in the form of copper ions in the PLS.
The PLS is delivered to the SX/EW plant via collection ditches, ponds, and pumping systems. The process takes PLS and extracts the copper ions in extraction mixer-settlers. The copper is extracted via a liquid ion-exchange reagent carried in diluent. A chemical reaction selectively causes the copper to transfer from the PLS to the organic phase. The barren raffinate leaving the SX plant is pumped to the leach pads to extract additional copper from the stacked ore. The loaded organic phase is separated and flows to a strip mixer-settler where the copper is transferred from the organic to the electrolyte that is circulated to the EW plant.
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The electrolyte is filtered and heated before being passed through the EW cells where the copper is plated onto stainless steel blanks. Once an adequate amount of copper has plated out of solution as cathodes, these are removed from the cells, washed, and the copper sheets are mechanically harvested. Figure 14.2 illustrates the hydrometallurgical copper transfer cycle.
Figure 14.2 – Hydrometallurgical Transfer Process
figure142hydrometallurgica.jpg
A diagram illustrating the Morenci mine’s hydrometallurgical process is shown in Figure 14.3. The SX plants have the ability to run over 100,000 gallons per minute PLS flow and the EW tank house cathode production capacity is approximately 900 million pounds per year.
Figure 14.3 – Hydrometallurgical Process Diagram
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In addition to the crushed and ROM leach and SX/EW processes, the Morenci mine has a CLP as an intermediary process, which takes final copper concentrate produced from the concentrator process and subjects the concentrate to pressure oxidation converting
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copper from solid form into liquid copper ions. The resulting solution contains higher concentrations of copper and acid than the typical solutions from the heap leaching process. The solutions are combined with other PLS sources and processed through the SX/EW plants and copper cathode is produced as a final product for shipment to market.
Hydrometallurgical recoveries are tracked from the leach stockpiles through to the production of copper cathode. Items that can affect the rate of recovery through the stockpiles include but are not limited to: application rate and method, particle size, leach cycle as days under leach, acid addition and consumption, solution chemistry, ore type and mineralization, pyrite content, stacking methodology, and stacking height.
Recoveries are tracked over multiple years. Additionally, performance is reviewed periodically through FCX corporate audits to monitor that recoveries are on track to being achieved and continue to be appropriate.
14.2Concentrator Processing Description
Primary and secondary sulfide ores are processed in the concentrators, which produce a copper concentrate and a molybdenum concentrate. The copper concentrate is either shipped off-site to market or processed on-site through the CLP process.
Ore is delivered from the mine to the primary crushers where it is crushed and conveyed to a coarse ore stockpile that feeds the concentrators. Ore is conveyed from the stockpile to the Morenci concentrator where it is stage crushed through secondary and tertiary cone crushers before being conveyed to a fine ore storage bin. It is then fed to 32 primary ball mills that operate in closed circuit with spiral classifiers to liberate copper and molybdenum minerals from gangue minerals. These classifiers return coarse particles to the mills for further grinding and advance fine particles to collective flotation for copper and molybdenum recovery. Concentrate from the first stage of flotation advances to regrind mills and cleaner flotation stages that produce an intermediate copper/molybdenum concentrate. This concentrate is thickened before it advances to the copper/molybdenum separation flotation circuit.
Ore is also conveyed from the coarse ore stockpile to a separate secondary crushing facility for the Metcalf concentrator. Product from these secondary cone crushers is advanced to a tertiary hydraulic roll crusher (HRC) before being conveyed to a surge bin that supplies the primary grinding circuit. Ore is conveyed from the surge bin to wet screens that feed the primary ball mills. Wet screen oversize is recycled back to the HRC for further crushing. Wet screen undersize mixes with ball mill product and this stream is classified in hydrocyclones, with coarse particles returning to the ball mills and fine particles advancing to the collective flotation circuit for recovery of copper and molybdenum. Concentrate advances to regrind mills and cleaner flotation producing an intermediate concentrate. The copper/molybdenum concentrate is thickened before combining with Morenci concentrate and advancing to the copper/molybdenum separation flotation circuit.
The copper/molybdenum separation flotation circuit consists of a primary flotation stage and four cleaner flotation stages. The purpose of the flotation circuit is to produce separate marketable concentrates. Tailings from the primary flotation stage is final copper concentrate, which advances to a thickener. Thickener underflow is either sent to CLP for further processing or filtered and stored in the concentrate storage building. Filtered copper concentrate is then loaded in railcars or truck-trailer road vehicles and
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shipped to an off-site smelter. Molybdenum concentrate is produced from the fourth cleaner flotation stage. From there it is thickened, filtered, and packaged into supersacks prior to being shipped to off-site conversion facilities.
Flotation tailings from both concentrators advance to tailings thickeners where process water is recovered and recycled back to the concentrators. Conventionally thickened tailings flow via gravity down an open channel launder to pump stations where they are pumped to the TSFs. Figure 14.4 illustrates a process flow diagram of the Morenci and Metcalf facilities.
Figure 14.4 – Morenci and Metcalf Concentrator Process Flow Diagram
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The processing facility performance is reviewed regularly, and adjustments are made as necessary to improve performance and reduce costs.
14.3Processing Requirements
Adequate supplies for energy, water, process materials, and sufficient personnel are currently available to maintain operations and are anticipated throughout the LOM plan. Process materials are provided to site on an as-needed basis through the FCX and the Morenci mine global supply chain departments. The actual consumption of key processing supplies varies depending on ore feed and operating conditions in the plants. Table 14.1 includes the typical ranges of consumption for key processing requirements.
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Table 14.1 – Processing Facilities Consumables
ParameterTypical Range
Concentrator Energy (kWh per ton ore)14 to 17
Hydrometallurgical Energy (kWh per pound of copper)1.5 to 2.0
Mill Process Water (gallon per ton ore)110 to 140
Hydrometallurgical Makeup Water (gallon per minute)2,800 to 4,700
Process Materials
Liners and Wear Parts (pounds of steel per ton ore)0.3 to 0.5
Balls (pounds of steel per ton ore)1.0 to 1.5
Primary Collector (pounds per ton ore)0.03 to 0.05
Lime (pounds per ton ore)2.75 to 3.25
Acid (pounds acid per ton ore)4 to 7
Consumable and personnel requirements for the processing facilities are expected to be near current levels in the near-term with variation dependent on production levels in the various unit operations. As of December 31, 2021, the concentrating operations have 496 employees and the hydrometallurgical operations have 729 employees. Contractors are available as needed.
15SITE INFRASTRUCTURE
The site infrastructure at the Morenci mine has been established over the history of the project and supports the current operations. The current major mine infrastructure includes waste rock storage facilities, ROM leach pads, crushed leach pads and stacking systems, temporary stockpiles, TSFs, power and electrical systems, water usage systems, various on-site warehouses and maintenance shops including large-scale mine truck shops, and offices required for administration, engineering, maintenance, and other related mine and processing operations. The communication system at site includes internet and telephone access connected by hard-wire, fiberoptic, and mobile networks. Access to the property is discussed further in Section 4 of this TRS. The site infrastructure is shown in Figure 15.1.
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Figure 15.1 – Site Infrastructure Map
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15.1Waste Rock Storage Facilities
The Morenci LOM plan considers placing mined waste material in the waste rock storage facilities. There is sufficient capacity to handle the waste deliveries as scheduled in the LOM plan.
15.2Leach Pads and Stockpiles
The Morenci mine utilizes stockpiles including ROM and crushed leach pads. Mined material is routed directly to the ROM leach pads whereas the crushed leach pads
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receive mined material that has been reduced in size through a primary crushing stage. The LOM plan includes leach placements concluding in 2041 with the leach pads continuing to be leached through 2044 when the SX/EW plant is expected to conclude operations. Additional leach pad stockpile capacity is required in the LOM plan. A placeholder of estimated costs for the additional capacity is included in the financial analysis.
The mine also has temporary mill stockpiles. Mined material is directed to these stockpiles to be rehandled and processed through the concentrators later. The mill stockpiles have sufficient capacity for the planned deliveries in the LOM plan.
Leach pads, stockpiles, and waste rock storage facilities are surveyed regularly, and daily production records are used to track the mine deliveries.
15.3Tailings Storage Facilities
There are multiple TSFs managed at the Morenci mine that receive flotation tailings from the concentrators. The flotation tailings are thickened and pumped to the TSFs where they are deposited, and water is recycled back to the mill. The TSFs are generally located south of the mills.
The TSFs, as currently designed, lack sufficient storage capacity for the entire planned mineral reserves estimate in the LOM plan. Options to increase capacity have been identified in potential raises to the currently designed TSFs and alternate locations for an additional TSF. Having been through the permitting processes previously and given the current capacity is sufficient until 2034 at planned rates, FCX and the Morenci mine anticipate having sufficient tailings storage available as required in the LOM plan. A placeholder of estimated costs for the additional capacity is included in the LOM plan financial analysis.
15.4Power and Electrical
The Morenci mine’s electrical power is supplied by MW&E. MW&E is a retail utility regulated by the Arizona Corporation Commission. MW&E sources its generation services through FMES. FMES is a Federal Energy Regulatory Commission licensed exempt wholesale generator with transmission and generation rights throughout Arizona and New Mexico. The mine’s power is delivered through transmission agreements with Tucson Electric Power Company, El Paso Electric, and Arizona Electric Power Cooperative. MW&E has contracted with FMES for 125MW of capacity rights at the Luna Energy Facility and other term purchase power agreements. Morenci also has 24MW of natural gas fired combustion turbines on-site able to provide electrical power when required.
15.5Water Usage
The Morenci mine’s water is supplied by a combination of sources including decreed surface water rights in the San Francisco River, Chase Creek, and Eagle Creek drainages, groundwater from the Upper Eagle Creek Wellfield, and Central Arizona Project water leased from the San Carlos Apache Tribe and delivered to Morenci via exchange through the Black River Pump Station. Makeup water supply is sourced from the Lower Eagle Creek (LEC) diversion and delivery system. Potable and domestic use water is sourced from the LEC makeup water supply. Process facilities operate using a
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combination of fresh and recycled water from the in-pit dewatering system, reclaim wells, and existing TSFs.
15.6Product Handling
Copper concentrate and cathode is loaded by FCX to be shipped off-site by railcars or trucks. Molybdenum concentrate is shipped off-site via truck. Third-party shipping is used for both rail and truck transport.
15.7Logistics, Supplies, and Site Administration
The operation has common management and services, as well as a logistics network that includes warehouses, vehicles, and personnel required to distribute and store the large quantity of supplies used by the operation and its workforce. Warehouses are maintained at various locations throughout the site.
Supporting infrastructure in Morenci has been built, improved, and expanded over the life of the project, including a townsite providing employees and their dependents with services ranging from retail stores, restaurants, residential facilities, schools, libraries, banks, postal services, training and recreational facilities to health service facilities.
16MARKET STUDIES
The Morenci mine produces copper concentrate and cathode products. A molybdenum concentrate is also produced.
16.1Market for Mine Products
Copper is an internationally traded commodity, and its prices are determined by the major metal exchanges. Prices on these exchanges generally reflect the worldwide balance of copper supply and demand and can be volatile and cyclical. In general, demand for copper reflects the rate of underlying world economic growth, particularly in industrial production and construction. FCX believes copper will continue to be essential in these basic uses as well as contribute significantly to new technologies for clean energy, to advance communications, and to enhance public health.
Molybdenum is a key alloying element in steel and the raw material for several chemical-grade products used in catalysts, lubrication, smoke suppression, corrosion inhibition, and pigmentation. Molybdenum, as a high-purity metal, is also used in electronics such as flat-panel displays and in super alloys used in aerospace. Reference prices for molybdenum are available in several publications including Metals Week, CRU Report, and Metal Bulletin.
FCX owns smelting, refining, and product conversion facilities for copper and molybdenum products, operated as separate business segments. Sales between FCX’s business segments are based on terms similar to arms-length transactions with third-parties at the time of the sale.
A portion of Morenci mine’s copper concentrate is processed through FCX’s wholly owned copper smelter in Miami, Arizona and refinery and rod mill located in El Paso, Texas and through FCX’s wholly owned subsidiary smelting and refining operation in Huelva, Spain. A portion of Morenci’s copper cathode is converted to copper rod in
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FCX’s wholly owned rod mills located in Miami and El Paso. The resultant copper rod from FCX’s North America rod mills is sold to downstream wire and cable producers throughout North America while the electro-refined copper cathode produced in Spain is sold to third-party consumers and merchant traders throughout Europe and the Mediterranean region. The balance of copper concentrate and cathode is sold to third-party smelters or consumers and merchant traders.
The mine’s molybdenum concentrate is processed through FCX’s wholly owned roaster operations at Ft. Madison in Iowa, Sierrita mine in Arizona, and at Rotterdam in the Netherlands, and a portion through the concentrate leach process at FCX’s Bagdad mine in Arizona. The resultant molybdenum products from the Rotterdam plant supply the chemical and steel industries in Europe while the material from the U.S. plants supply the industries in the U.S. and Asia. Climax Molybdenum Company, FCX’s wholly owned subsidiary, administers the molybdenum business segment.
Most of the copper and molybdenum products resulting from the Morenci mine are sold to customers with whom FCX has built and maintained long-term relationships. The majority of the sales agreements are negotiated annually and are relatively standardized. The underlying copper price is determined by, and fluctuates with, the commodity exchange price while the treatment and refining charges and premiums are negotiated annually based on market conditions. The underlying molybdenum price is determined by published Platts Metals Week index reference pricing, which is determined by globally reported spot transaction reporting.
16.2Commodity Prices Forecast and Contracts
Long-term metal price projections for reserve estimation are:
$2.50 per pound copper
$10 per pound molybdenum
All contracts currently necessary for supplies and services to maintain the Morenci mine’s facilities and production are in place and are renewed or replaced within timeframes and conditions of common industry practices.
FCX and the QPs believe that the marketing and metal price assumptions for metal products are suitable to support the financial analysis of the mineral reserve evaluation. Further information regarding the sale and marketing of the mine’s metal products are discussed in FCX’s Annual Report on Form 10-K for the year ended December 31, 2021.
17ENVIRONMENTAL STUDIES, PERMITTING, AND SOCIAL IMPACT
The Morenci mine adheres to FCX’s environmental and sustainability programs, including policies and management systems regarding environmental, permitting, and community issues. Morenci has implemented an Environmental Management System that is certified to the internationally recognized ISO-14001:2015 standard. FCX’s programs are based on policies and systems that align with the International Council on Mining and Metals Sustainable Development Framework and the Copper Mark. FCX routinely evaluates implementation of these policies through internal and external independent assessments and publicly reports on its performance.
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Further discussion regarding environmental, permitting, and social or community impacts is available in the latest FCX Annual Report on Sustainability.
17.1Environmental Considerations
Environmental monitoring is ongoing at the Morenci mine and will continue over the life of the operations and beyond through closure. The Morenci mine has received multiple environmental regulatory approvals from the State of Arizona, Greenlee County, and federal agencies for the operation and closure of the mine. Many of these regulatory approvals had public participation components. Several of these authorizations required that the Morenci mine conduct environmental baselines and impact studies for environmental resources including, but not limited to, air quality, surface and groundwater quality, landscape, soil, climate, traffic, biodiversity, and cultural resources. The Morenci mine continues to monitor these baselines and impact studies regularly at compliance points and report to required agencies.
17.2Permitting
FCX and the Morenci mine staff believe that all major permits and approvals are in place to support operations at the Morenci mine, however additional permits will likely be necessary in the future. Where permits have specific terms, renewal applications are made to the relevant regulatory authority as required, prior to the end of the permit term.
The Morenci mine has obtained multiple Clean Water Act (CWA) Section 404 permits from the U.S. Army Corps of Engineers in support of past and ongoing mine operations. Mining activities authorized by these permits are complete and Morenci is now monitoring several mitigation sites as required by these permits. Morenci reports monitoring results to the Army Corps of Engineers. Morenci is evaluating CWA Section 404 applicability for the incremental expansion of its mining facilities.
An area-wide APP from ADEQ is a key permit that authorizes design, construction, operation, monitoring, reporting, and closure of mining facilities that have the potential to discharge to groundwater. The permit requires that the Morenci mine operate these facilities to prevent an exceedance of the State of Arizona Aquifer Water Quality standards at designated point of compliance wells, which are monitored on a routine basis. Results of this monitoring are reported to ADEQ as per conditions in the permit.
Based on the LOM plan, additional permits will be necessary in the future for continued operation of the Morenci mine, including APP amendment applications and obtaining ADEQ approval for increased leach pad stockpile and tailings storage capacities under the existing APP. The Morenci mine staff submitted an APP amendment application to ADEQ in August of 2021 and expects to obtain permit coverage in 2022. Additional projects that would require an amendment to the APP are being evaluated. Closure strategies will be developed for these proposed facilities as part of the permitting process.
Consistent with State of Arizona rules and regulations for mine closure and reclamation, the Morenci mine has an approved closure strategy through its APP for closure and post-closure monitoring and maintenance of its active facilities such as TSFs, waste and leach pad stockpiles, and associated process water impoundments. The Morenci mine also has an approved mine reclamation plan with the Arizona State Mine Inspector Office for surface reclamation that will be implemented following cessation of mine operations
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in coordination with the closure strategy. Both state programs require development and agency approval of cost estimates and the establishment of financial assurance. The Morenci mine maintains financial assurance with the State of Arizona for these programs.
17.3Waste and Tailings Storage, Monitoring, and Water Management
The Morenci mine has developed and continues to implement detailed, comprehensive mine waste and tailings management programs to meet the applicable State of Arizona environmental protection regulations and FCX environmental management practices. These programs include State of Arizona APP requirements and the Engineer of Record designs, for the specific cases of TSFs and certain leach pad stockpiles. The site also follows FCX’s tailings management and stewardship program.
17.4Mine Closure Plans
ADEQ governs facility closure under the state’s APP program and requires preparation of a closure strategy, post closure plan, and development of cost estimates and financial assurance for permitted facilities such as TSFs, leach pad stockpiles, and other mine facilities. Separately, the Arizona State Mine Inspector’s Office requires mines to develop mine reclamation plans that describe steps to stabilize the mine site following cessation of operations to achieve an approved post mining land use. The Morenci mine closure strategy and mine reclamation plan are two documents, developed by third-parties, that consider long-term physical and chemical stability and implementation of approved post mining land uses for the site following the end of mine operations. The closure strategy and reclamation plan detail tasks to be performed at closure and the post-closure phase of the mine’s life cycle. The Morenci mine’s APP requires updates to the closure strategy cost estimate every six years. The Morenci mine has State of Arizona approved closure strategies for its waste rock and leach pad stockpiles, tailings, and other water management facilities subject to APP. The next update to the closure strategy is due to be submitted to ADEQ in 2022 for review and approval. Following ADEQ approval of the revised closure strategy cost estimate, FCX will provide ADEQ with an updated financial assurance for this update.
The closure strategy for the Morenci mine APP facilities incorporates various approaches including, but not limited to, removal and reclamation of process water impoundments, in-place closure of TSFs and leach pad stockpiles, and post closure monitoring and maintenance of closed facilities and points of compliance wells. Closure of TSFs includes regrading tailings and installing soil cover systems incorporating revegetation that manage water through evaporation and transpiration. Water management systems are intended to stabilize closed facilities, minimize erosion, and protect water resources.
The total closure cost estimate for the LOM plan is approximately $0.4 billion based on a cash flow schedule for the implementation of closure, post closure, and reclamation tasks. The Morenci mine has satisfied the State of Arizona’s financial assurance requirements by using a variety of mechanisms, primarily involving FCX’s performance guarantees and financial capability demonstrations.
17.5Local Stakeholder Considerations and Agreements
As part of the ongoing permitting and compliance obligations with the county, state, and federal agency authorizations and as part of the mine’s commitment to local stakeholder
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engagement, the Morenci mine is dedicated to local community and social matters. The Morenci mine seeks to conduct its activities in a transparent manner that promotes proactive and open relationships with the local community, government, and other stakeholders to maximize the positive impacts of its operations and mitigate potential adverse impacts throughout the LOM plan.
The Morenci mine seeks to provide opportunities to support economic development by purchasing local goods and services. To support and grow the capacity of local businesses in the region, FCX maintains working relationships with various local business development organizations.
In addition, the Morenci mine seeks to provide opportunities to support economic development by hiring and training employees from local and regional communities. The mine is located in rural Arizona with a relatively low population density and as such, the Morenci mine directly or indirectly employs a relatively large portion of the local and regional labor force.
17.6Comment on Environmental Compliance, Permitting, and Local Engagement
In the QP’s opinion, the Morenci mine has adequate plans and programs in place, is in good standing with environmental regulatory authorities, and no current conditions represent a material risk to continued operations. The Morenci mine staff have a high level of understanding of the requirements of environmental compliance, permitting, and local stakeholders in order to facilitate the development of the mineral reserve and mineral resource estimates. The periodic inspections by governmental agencies, FCX corporate staff, third-party reviews, and regular reporting confirm this understanding.
18CAPITAL AND OPERATING COSTS
The capital and operating costs are estimated by the property’s operations, engineering, management, and accounting personnel in consultation with FCX corporate staff, as appropriate. The cost estimates are applicable to the planned production, mine schedule, and equipment requirements for the LOM plan. The capital costs are summarized in Table 18.1.
Table 18.1 – Sustaining Capital Costs
$ billions
Mine$0.9 
Leach and SX/EW1.8 
Concentrator0.8 
Supporting Infrastructure and Environmental0.2 
Total Capital Expenditures$3.7 
Estimates are derived from current costs and adjusted to the reserve price environment. The estimates are not adjusted for escalation or exchange rate fluctuations. Actual realized costs are reviewed periodically, and estimates are refined as required.
Capital costs are primarily sustaining projects consisting of mine equipment replacements and planned site infrastructure projects, most notably to increase leach pad and TSF capacities over the production of the scheduled reserves. Capital cost estimates are derived from current capital costs based on extensive experience gained
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from many years of operating the property and do not include inflation. FCX and the Morenci mine staff review actual costs periodically and refine cost estimates as appropriate.
The operating costs for the LOM plan are summarized in Table 18.2.
Table 18.2 – Operating Costs
$ billions
Mine$11.0 
Leach and SX/EW5.4 
Concentrator5.9 
Balance3.8 
Total site cash operating costs26.1 
Freight0.6 
Treatment charges0.5 
By-product credits(1.3)
Total net cash costs$25.9 
Unit net cash cost ($ per pound of copper)$1.98 
Estimates are derived from current costs and adjusted to the reserve price environment. The estimates are not adjusted for escalation or exchange rate fluctuations. Actual realized costs are reviewed periodically, and estimates are refined as required.
The operating cost estimates are derived from current operating costs and practices based on extensive experience gained from many years of operating the property and do not include inflation. The operating cost estimates reflect certain pricing assumptions, primarily for energy and foreign exchange rates, that are reflective of the copper market environment ($2.50 per pound copper price) at which the reserve plan has been prepared. As the property has a long operating history, FCX believes that the accuracy of the cost estimates is better than the minimum of approximately +/- 25 percent required for a pre-feasibility study level of mineral reserves as per S-K1300, and the level of risk in the cost forecasting is low. FCX and the Morenci mine staff review actual costs periodically and refine cost estimates as appropriate.
The LOM plan summary in this TRS is developed to support the economic viability of the mineral reserves. The latest guidance regarding updated operational forecast cost estimates are available in FCX’s Annual Report on Form 10-K for the year ended December 31, 2021, filed with the SEC.
19ECONOMIC ANALYSIS
The LOM plan includes comprehensive operational drivers (mine and corresponding processing plans, metal production schedules and corresponding equipment plans) and financial estimates (revenues, capital costs, operating costs, downstream processing, freight, taxes and royalties, etc.) to produce the reserves over the life of the property. The LOM plan is an operational and financial model that also forecasts annual cash flows of the production schedule of the reserves for the life of the property under the assumed pricing and cost assumptions. The LOM plan is used for economic analyses, sensitivity testing, and mine development evaluations.
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The financial forecast incorporates revenues and operating costs for all produced metals, processing streams, and overall site management for the life of the property. The economic analysis summary in Table 19.1 includes the material drivers of the economic value for the property and includes the net present value (NPV) of the unleveraged after-tax free cash flows as the key metric for the economic value of the property’s reserve plan under these pricing and cost assumptions. This analysis does not include economic measures such as internal rate of return or payback period for capital since these measures are not applicable (and are not calculable) for an on-going operation that does not have a significant upfront capital investment to be recovered.
Table 19.1 – Economic Analysis
Metal Prices
Copper ($ per pound)$2.50 
Molybdenum ($ per pound)$10 
Life of Mine Plan
Copper (billion pounds)13.1 
Molybdenum (billion pounds)0.2 
Ore (billion tons)4.3 
Copper grade (%)0.23 
Copper metallurgical recovery (%)65.5 
Capital costs ($ billions)$3.7 
Site cash operating costs ($ billions)$26.1 
Unit net cash cost ($ per pound)$1.98 
Economic Assumptions and Metrics
Discount Rate (%)
Corporate Tax Rate (%)23 
Severance Tax (%) (Arizona mines)1.3 
Net present value @ 8% ($ billions)$1.2 
Internal rate of return (%)NA*
Payback (years)
NA*
*Not Applicable (NA) as the property is an on-going operation with no significant negative initial cashflow/initial investment to be recovered.
The key drivers of the economic value of the property include the copper market price, copper grades and recoveries, and costs. Depending on the changes in these key drivers, FCX can adjust operating plans (in the near-term as well as the long-term, as appropriate) to minimize negative impacts to the overall economic value of the property.
Table 19.2 summarizes the economic impact of changes to these key drivers on the property’s NPV (as included in Table 19.1). The sensitivities are estimates for the changes in each key drivers’ effect on the base plan summarized for the production of the mineral reserves over the life of the property.
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Table 19.2 – Sensitivity Analysis
Incremental Impact to NPV
Sensitivity Analysis ($ billions)
 + 5% Change
 - 5% Change
Copper price$0.67$(0.67)
Copper grade/recovery0.57(0.57)
Capital cost(0.10)0.10
Operating cost(0.53)0.53
Discount rate(0.04)0.04
Sensitivity analysis does not reflect changes in mine plans or costs with changes in above items.
The after-tax NPV of the LOM plan is most sensitive to copper price, followed by grades and recovery, and then operating costs. The sensitivity analysis does not reflect changes in mine plans or costs with changes in the reported driver. Sustained periods in these economic scenarios would warrant a re-evaluation of the LOM plan assumptions, planned development, and reported mineral reserves.
Table 19.3 summarizes the LOM plan including the annual metal production volumes, mine plan schedule, capital and operating cost estimates, unit net cash costs, and unleveraged after-tax free cash flows over the life of the property. Free cash flow is the operating cash flow less the capital costs and is a key metric to demonstrate the cash that the property is projected to generate from its operations after capital investments for the reserve production plan at assumed pricing and cost assumptions. The property’s ability to create value from the reserves is determined by its ability to generate positive free cash flow. The summary demonstrates the favorable free cash flow generated from the property’s LOM plan under the assumptions. This economic analysis supports the economic viability of the mineral reserves statement.
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Table 19.3 – LOM Plan Summary
2022-20262027-20312032-20362037-2044
Metal Prices
Copper ($ per pound)$2.50 $2.50 $2.50 $2.50 
Molybdenum ($ per pound)$10 $10 $10 $10 
Annual Averages
Copper (billion pounds/year)0.74 0.64 0.65 0.36 
Molybdenum (million pounds/year)13 
Ore processed (billion tons/year)0.25 0.22 0.22 0.11 
Copper grade (%)0.22 0.23 0.23 0.22 
Copper metallurgical recovery (%)63.4 66.7 63.9 69.2 
Capital costs ($ billions/year)$0.35 $0.17 $0.20 $0.01 
Site cash operating costs ($ billions/year)$1.41 $1.35 $1.38 $0.66 
Unit net cash cost ($ per pound)$1.92 $2.03 $2.14 $1.83 
Free cash flow ($ billions/year)$0.06 $0.15 $0.05 $0.20 
Summary of annual cash flow forecast based on annual production schedule for the life of the property.
20ADJACENT PROPERTIES
As of December 31, 2021, there are no adjacent properties impacting the Morenci mine mineral reserve or mineral resource estimates.
21OTHER RELEVANT DATA AND INFORMATION
Recent news articles have identified the mining industry as a potential area for review for increased participation of U.S. state or federal revenues potentially through increased taxes, royalties, or other such programs. The mineral reserve and resource estimates in this TRS use the assumptions as previously stated; however, increased taxation would have a direct impact on the cash flows of the property. Any enacted legislation would be incorporated into future mineral reserve and resource estimates.
In the opinion of the QPs, there is no additional information necessary for the mineral reserve and mineral resource estimates in this TRS. Further discussion regarding operational risks, health and safety programs, and other business aspects of the mine are available in FCX’s Annual Report on Form 10-K for the year ended December 31, 2021.
22INTERPRETATION AND CONCLUSIONS
Estimates of mineral reserves and mineral resources are prepared by and are the responsibility of FCX employees. All relevant geologic, engineering, economic, metallurgical, and other data is prepared according to FCX developed procedures and guidelines based on accepted industry practices. FCX maintains a process of verifying
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and documenting the mineral reserve and mineral resource estimates, information for which are located at the mine site and FCX corporate offices. FCX conducts ongoing studies of its ore bodies to optimize economic value and to manage risk.
FCX and the QPs believe that the geologic interpretation and modeling of exploration data, economic analysis, mine design and sequencing, process scheduling, and operating and capital cost estimation have been developed using accepted industry practices and that the stated mineral reserves and mineral resources comply with SEC regulations. Periodic reviews by third-party consultants confirm these conclusions.
The Morenci mine is a large-scale producing mining property that has been operated by FCX and its predecessors for many years. Mineral reserve and mineral resource estimates consider technical, economic, environmental, and regulatory parameters containing inherent risks. Changes in grade and/or metal recovery estimation, realized metal prices, and operating and capital costs have a direct relationship to the cash flow and profitability of the mine. Other aspects such as changes to environmental or regulatory requirements could alter or restrict the operating performance of the mine. Significant differences from the parameters used in this TRS would justify a re-evaluation of the reported mineral reserve and mineral resource estimates. Mine site administration and FCX dedicate significant resources to managing these risks.
23RECOMMENDATIONS
Although ongoing initiatives in productivity and recovery improvements are underway, the mineral reserves and mineral resources are based on the stated long-term metal prices and corresponding technical and economic performance data.
No recommendations for additional work are identified for the reported mineral reserves and mineral resources as of December 31, 2021.
24REFERENCES
Beane, R. E., and Titley, S. R. (1981). Porphyry Copper Deposits Part II. Hydrothermal alteration and mineralization. In B. J. Skinner (Ed.), Economic Geology, Seventy-Fifth Anniversary Volume, 235-269.
Briggs, D., (2016). History of the Copper Mountain (Morenci) Mining District, Greenlee County, Arizona, Arizona Geological Survey, Contributed Report CR-16-C,77 p, 2 appendices.
Dickinson, W. R. (1989). Tectonic setting of Arizona through geologic time. In J. P. Jenney and S. J. Reynolds (Eds.), Geologic Evolution of Arizona: Arizona Geological Society Digest, v. 17, 1-16.
Nielsen, R. L. (1968). Hypogene texture and mineral zoning in a copper-bearing granodiorite porphyry stock, Santa Rita, New Mexico. Economic Geology, v. 63(1), 37-50.
Patton, J. M., (1945). The History of Clifton (M.A. Thesis), University of Arizona, Tucson, Arizona, 243 p.
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Phillips, C. H., Gambell, N. A., and Fountain, D. S. (1974). Hydrothermal alteration, mineralization, and zoning in the Ray deposit. Economic Geology, v. 69(8), 1237-1250.
Watt, R. (1956). History of Morenci, Arizona. (M.A. Thesis), University of Arizona, Tucson, Arizona, 157 p.
25RELIANCE ON INFORMATION PROVIDED BY THE REGISTRANT
FCX is experienced in managing the challenges and requirements of operating at local, regional, national, and international levels to support requirements for successfully mining metals throughout the world, using functioning divisions, departments, and teams, organized at mine sites and at the corporate level, that are tasked with meeting and supporting FCX business and operations requirements. These closely integrated departments are focused on subjects that may be peripheral to the direct production of salable metals but are essential to meeting all business requirements for FCX and to navigating the many aspects of modern mining.
As an illustrative example of the FCX organization, within the Corporate Support and Marketing division, there are departments of Finance and Accounting, Financial Reporting, Taxes, General Counsel, Communications, and Business Development groups. Other corporate teams are similarly organized to provide additional broad services. These departments support and integrate with the operating divisions providing requirements and information. A mine site, as part of the operating divisions, will be organized into its own management teams including Mine Management, Operations, Maintenance and Construction, Processing Management, Finance and Accounting, Social Responsibility and Community Development, Environmental, Regional Supply Chain, and Human Resources. These staffed teams are organized to provide responses to the many mining requirements, and they are expert in conducting their specific duties. They represent reliable sources for information and as such, they have been consulted to prepare, support, and characterize the information in this TRS.
Specific to the preparation of this TRS, FCX departments have provided the following categories of information:
Macro-economic trends, data, interest rates, and assumptions.
Marketing information.
Legal matters outside of QP expertise.
Environmental matters outside of QP expertise.
Accommodations through community development to local groups.
Governmental factors outside of QP expertise.
The QPs prepared Sections 3, 4, 5, 15, 16, 17, 18, 19, 20, and 21 of this TRS in reliance on the information provided by FCX above.
As explained, FCX corporate and mine site divisions that provided information for this TRS are business-directed areas that must produce reliable information in support of FCX business objectives. This organizational form contributes to producing expected results for FCX and provides appropriate information supporting mineral reserves and mineral resource estimates.
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26GLOSSARY – UNITS OF MEASURE AND ABBREVIATIONS
UnitUnit of Measure
#number
$U.S. Dollar
%percent
dstdry short ton
ftfeet
kWhkilowatt-hour
lbU.S. pound
Mmillion
MWmegawatt
wstwet short ton
AbbreviationDescription
ADEQArizona Department of Environmental Quality
AIKArea Influenced Kriging
APPAquifer Protection Permit
ASCuAcid-Soluble Copper
BLMBureau of Land Management (U.S.)
CLPConcentrate Leach Plant
CWAClean Water Act (U.S.)
EqCuEquivalent Copper Grade
EWElectrowinning
FCXFreeport-McMoRan Inc. and its consolidated subsidiaries
FMESFreeport-McMoRan Energy Services
GPSGlobal Positioning System
HRCHydraulic Roll Crusher
IDWInverse Distance Weighting
Ing. Geol.Geological Engineer (Peru)
LECLower Eagle Creek
LOMLife-of-Mine
MEHMorenci Engineered Heap
MFLMine for Leach
MLTMorenci Leach Test
MW&EMorenci Water and Electric Company
NANot Applicable
NNNearest Neighbor
NPVNet Present Value
OKOrdinary Kriging
P.Eng.Professional Engineer (Canada)
P.Geo.Professional Geologist
PDCPhelps Dodge Corporation
PLSPregnant Leach Solution
QA/QCQuality Assurance and Quality Control
QLTQuick Leach Test, ferric sulfate-soluble copper assay
QPQualified Person
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RCReverse Circulation
RM-SMERegistered Member of the Society of Mining, Metallurgy and Exploration (U.S.)
ROMRun of Mine
RQDRock Quality Designation
SECSecurities and Exchange Commission (U.S.)
SGSpecific Gravity
S-K1300Subpart 1300 of SEC Regulation S-K
SMMSumitomo Metal Mining Company
S-ROMSulfide Run of Mine
SXSolution Extraction
SX/EWSolution Extraction and Electrowinning
TCFCX’s Technology Center facilities near Safford, Arizona
TCTFCX’s Technology Center facilities in Tucson, Arizona
TCuTotal Copper
TMoTotal Molybdenum
TRSTechnical Report Summary
TSFTailings Storage Facility
U.S.United States
WIPWork-In-Process
X-ROMOxide Run of Mine
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