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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

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FORM 10-K

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(Mark One)

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For the Fiscal Year Ended December 31, 2019

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or

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For the transition period from          to

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Commission file number: 1-10879

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203-265-8900

(Registrant’s telephone number, including area code)

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Securities registered pursuant to Section 12(g) of the Act: None

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Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Yes ⌧ No ◻

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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 ⌧

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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 ◻

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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 (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes ⌧ No ◻

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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.

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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. ◻

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Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act). Yes ☐ No ⌧

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As of June 30, 2019, the aggregate market value of Amphenol Corporation Class A Common Stock (based upon the closing price of such stock on the New York Stock Exchange) held by non-affiliates was approximately $21,238 million.

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As of January 31, 2020, the total number of shares outstanding of Registrant’s Class A Common Stock was 298,101,155.

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DOCUMENTS INCORPORATED BY REFERENCE

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Portions of the Registrant’s definitive proxy statement, which is expected to be filed within 120 days following the end of the fiscal year covered by this report, are incorporated by reference into Part III hereof.

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Cautionary Note Regarding Forward-Looking Statements

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This Annual Report on Form 10-K includes forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995, which relate to future events and are subject to risks and uncertainties. The forward-looking statements, which address the Company’s expected business and financial performance and financial condition, among other matters, may contain words such as: “anticipate,” “could,” “continue,” “expect,” “estimate,” “forecast,” “ongoing,” “project,” “seek,” “predict,” “target,” “will,” “intend,” “plan,” “optimistic,” “potential,” “guidance,” “may,” “should” or “would” and other words and terms of similar meaning.

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Forward-looking statements by their nature address matters that are, to different degrees, uncertain, such as statements about expected earnings, revenues, growth, liquidity or other financial matters. Although the Company believes the expectations reflected in such forward-looking statements, including those with regards to results of operations, liquidity or the Company’s effective tax rate, are based upon reasonable assumptions, the expectations may not be attained or there may be material deviation. Readers are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date on which they are made. There are risks and uncertainties that could cause actual results to differ materially from these forward-looking statements. A description of some of these uncertainties and other risks is set forth under the caption “Risk Factors” in Part I, Item 1A and elsewhere in this Annual Report on Form 10-K, as well as other reports filed with the Securities and Exchange Commission, including but not limited to Quarterly Reports on Form 10-Q and Current Reports on Form 8-K. Such forward-looking statements may also be impacted by, among other things, additional guidance under the U.S. Tax Cuts and Jobs Act (“Tax Act”). While the Company completed its accounting of the Tax Act in the fourth quarter of 2018 based on the regulatory guidance issued at that time, the Department of Treasury interpretive guidance initiatives are ongoing. Any future guidance on the Tax Act could impact our forward-looking statements.

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These or other uncertainties may cause the Company’s actual future results to be materially different from those expressed in any forward-looking statements. The Company undertakes no obligation to update or revise any forward-looking statements except as required by law.

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The table below provides a summary of our reporting segments, the 2019 net sales contribution of each segment, the primary industry and end markets that we service and our key products:

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Information regarding the Company’s operations and assets by reporting segment, as well as the Company’s net sales and long-lived assets by geographic area, appears in Note 13 of the Notes to the Consolidated Financial Statements.

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Our Strategy

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The Company’s overall strategy is to provide its customers with comprehensive design capabilities, a broad selection of products and a high level of service on a worldwide basis while maintaining continuing programs of productivity improvement and cost control. Specifically, our business strategy is as follows:

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Markets

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The Company sells products to customers in a diversified set of end markets. For a discussion of certain risks related to the Company’s markets, refer to the subsection titled “Risks related to our end markets” included in Part I, Item 1A. Risk Factors herein.

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Automotive - Amphenol is a leading supplier of advanced interconnect systems, sensors and antennas for a growing array of automotive applications. In addition, Amphenol has developed advanced technology solutions for hybrid and electric vehicles and is working with leading global customers to proliferate these advanced interconnect products into next-generation automobiles. Sales into the automotive market represented approximately 19% of the Company’s net sales in 2019 with sales into the following primary end applications:

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Broadband Communications - Amphenol is a world leader in broadband communication products for cable, satellite and telco video and data networks, with industry-leading engineering, design and manufacturing expertise. The Company offers a wide range of products to service the broadband market, from customer premises cable and interconnect devices to distribution cable and fiber optic components, as well as interconnect products integrated into headend equipment. Sales into the broadband communications market represented approximately 4% of the Company’s net sales in 2019 with sales into the following primary end applications:

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Commercial Aerospace - Amphenol is a leading provider of high-performance interconnect systems and components to the commercial aerospace market. In addition to connector and interconnect assembly products, the Company also provides rigid and flexible printed circuits as well as high-technology cable management products. Our products are specifically designed to operate in the harsh environments of commercial aerospace while also providing substantial weight reduction, simplified installation and minimal maintenance. Sales into the commercial aerospace market represented approximately 5% of the Company’s net sales in 2019 with sales into the following primary end applications:

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Industrial - Amphenol is a technology leader in the design, manufacture and supply of high-performance interconnect systems, sensors and antennas for a broad range of industrial applications. Amphenol’s core competencies include application-specific industrial interconnect solutions utilizing integrated assemblies, including with both cable and flexible printed circuits, as well as high-power interconnects requiring advanced engineering and system integration. In particular, our innovative solutions facilitate the increasing demands of embedded computing and power distribution.

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Sales into the industrial market represented approximately 20% of the Company’s net sales in 2019 with sales into the following primary end applications:

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Information Technology and Data Communications - Amphenol is a global provider of interconnect solutions to designers, manufacturers and operators of internet-enabling systems. With our industry-leading high-speed, power and fiber optic technologies, together with superior simulation and testing capability and cost effectiveness, Amphenol is a market leader in interconnect development for the information technology (“IT”) and datacom market. Whether industry standard or application-specific designs are required, Amphenol provides customers with products that enable performance at the leading edge of next-generation, high-speed, power and fiber optic technologies. Sales into the IT and datacom market represented approximately 19% of the Company’s net sales in 2019 with sales into the following primary end applications:

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Military - Amphenol is a world leader in the design, manufacture and supply of high-performance interconnect systems for harsh environment military applications. Such products require superior performance and reliability under conditions of stress and in hostile environments such as vibration, pressure, humidity, nuclear radiation and rapid and severe temperature changes. Amphenol provides an unparalleled product breadth, from military specification connectors to customized high-speed board level interconnects; from flexible to rigid printed circuit boards; and from backplane systems to completely integrated assemblies. Amphenol is a technology leader, participating in major programs from the earliest inception across each phase of the production cycle. Sales into the military market represented approximately 12% of the Company’s net sales in 2019 with sales into the following primary end applications:

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Mobile Devices - Amphenol designs and manufactures an extensive range of interconnect products, antennas and electromechanical components found in a wide array of mobile computing devices. Amphenol’s capability for high-volume production of these technically demanding, miniaturized products, combined with our speed of new product introduction, are critical drivers of the Company’s long-term success in this market. Sales into the mobile devices market represented approximately 13% of the Company’s net sales in 2019 with sales into the following primary end applications:

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Mobile Networks - Amphenol is a leading global interconnect solutions provider to the mobile networks market and offers a wide product portfolio, including antennas, connectors and interconnect systems. The Company’s products are used in current and next generation wireless communications standards, including in 5G networks. In addition, the Company works with service providers around the world to offer an array of antennas and installation-related site solution interconnect products. Sales into the mobile networks market represented approximately 8% of the Company’s net sales in 2019 with sales into the following primary end applications:

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Customers and Geographies

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The Company manufactures and sells a broad portfolio of products on a global basis to customers in various industries. Our customers include many of the leaders in their respective industries, and our relationships with them typically date back many years. We believe that our diversified customer base provides us an opportunity to leverage our skills and experience across markets and reduces our exposure to particular end markets. Additionally, we believe that the diversity of our customer base is an important strength of the Company.

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There has been a trend on the part of customers to consolidate their lists of qualified suppliers to companies that have the ability to meet certain technical, quality, delivery and other standards while maintaining competitive prices. The Company has positioned its global resources to compete effectively in this environment. As an industry leader, the Company has established close working relationships with many of its customers on a global basis. These relationships allow the Company to better anticipate and respond to these customer needs when designing new products and new technical solutions. By working with customers in developing new products and technologies, the Company is able to identify and act on trends and leverage knowledge about next-generation technology across our portfolio of products. In addition, the Company has concentrated its efforts on service, procurement and manufacturing improvements designed to increase product quality and performance and lower product lead-time and cost. For a discussion of certain risks related to the Company’s sales, refer to the subsection titled “Risks related to our end markets” included in Part I, Item 1A. Risk Factors herein.

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The Company’s products are sold to thousands of original equipment manufacturers (“OEMs”) in numerous countries throughout the world. The Company’s products are also sold to electronic manufacturing services (“EMS”) companies, to original design manufacturers (“ODMs”) and to service providers, including telecommunications network service providers and web service providers. No single customer accounted for 10% or more of the Company’s net sales for the years ended December 31, 2019 and 2017. During the year ended December 31, 2018, aggregate sales to Apple Inc., including sales of products to EMS companies that the Company believes are manufacturing products on Apple’s behalf, accounted for approximately 12% of our net sales.

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The Company sells its products through its own global sales force, independent representatives and a global network of electronics distributors. The Company’s sales to distributors represented approximately 15% of the Company’s net sales in 2019. In addition to product design teams and collaborative initiatives with customers, the Company uses key account managers to manage customer relationships on a global basis such that it can bring to bear its total resources to meet the worldwide needs of its multinational customers.

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Manufacturing

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The Company is a global manufacturer employing advanced manufacturing processes including molding, stamping, plating, turning, CNC machining, extruding, die casting and assembly operations and proprietary process technology for specialty and coaxial cable production and sensor fabrication. Outsourcing of certain manufacturing processes is used when cost-effective. Substantially all of the Company’s manufacturing facilities are certified to the ISO9000 series of quality standards, and many of the Company’s manufacturing facilities are certified to other quality standards, including QS9000, ISO14000 and TS16949.

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The Company’s manufacturing facilities are generally vertically-integrated operations from the initial design stage through final design and manufacturing. The Company has an established manufacturing presence in more than 30 countries. Our global coverage positions us near many of our customers’ locations and allows us to assist them in consolidating their supply base and lowering their production and logistics costs. In addition, the Company generally relies on local general management in every region, which we believe creates a strong degree of organizational stability and deeper understanding of local markets. We believe our balanced geographic distribution lowers our exposure to any particular geography. The Company designs, manufactures and assembles its products at facilities in the Americas, Europe, Asia, Australia and Africa. The Company believes that its global presence is an important competitive advantage, as it allows the Company to provide quality products on a timely and worldwide basis to its multinational customers.

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The Company employs a global manufacturing strategy to ensure proximity and good service to customers, while also lowering production and logistics costs. The Company’s strategy is to maintain strong cost controls in its manufacturing and assembly operations. The Company is continually evaluating and adjusting its expense levels and workforce to reflect current business conditions and maximize the return on capital investments. The Company sources its products on a worldwide basis. To better serve certain high-volume customers, the Company has established certain facilities near these major customers. The Company seeks to position its manufacturing and assembly facilities in order to serve local markets while coordinating as appropriate product design and manufacturing responsibility with the Company’s other operations around the world. For a discussion of certain risks related to the Company’s foreign operations, refer to the subsection titled “Risks related to our global operations” included in Part I, Item 1A. Risk Factors herein.

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Research and Development

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The Company generally implements its product development strategy through product design teams and collaborative initiatives with customers, which often results in the Company obtaining approved vendor status for its customers’ new products and programs. The Company focuses its research and development efforts primarily on those product areas that it believes have the potential for broad market applications and significant sales within a one- to three-year period. The Company seeks to have its products become widely accepted within the industry for similar applications and products manufactured by other potential customers, which the Company believes will provide additional sources of future revenue. By developing application specific products, the Company is able to decrease its exposure to standard products, which are more likely to experience greater pricing pressure. At the end of 2019, our research, development, and engineering efforts, which relate to the creation of new and improved products and processes, were supported by approximately 3,100 employees and were performed primarily by individual operating units focused on specific markets and product technologies.

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Intellectual Property

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Patents and other proprietary rights are important to our business. We own a large portfolio of patents that principally relate to electrical, optical, electronic, antenna and sensor products. We also own a portfolio of trademarks and are a licensee of various patents and trademarks. Patents for individual products extend for varying periods according to the date of patent filing or grant and the legal term of patents in the various countries where patent

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protection is obtained. Trademark rights may potentially extend for longer periods of time and are dependent upon the laws of various jurisdictions and the use of the trademarks.

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We also rely upon trade secrets, manufacturing know-how, continuing technological innovations and licensing opportunities to maintain and improve our competitive position. We review third-party proprietary rights, including patents and patent applications, as available, in an effort to develop an effective intellectual property strategy, avoid infringement of third-party proprietary rights, identify licensing opportunities and monitor the intellectual property claims of others.

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From time to time, the Company is involved in disputes with third parties regarding the Company’s or such third party’s intellectual property assets, particularly patents. While we consider our patents and trademarks to be valuable assets, we do not believe that our competitive position or our operations are dependent upon or would be materially impacted by the loss of any single patent or group of related patents, or by a third party’s successful enforcement of its patents against us or any of our products. For a discussion of certain risks related to the Company’s intellectual property, refer to the risk factor titled “The Company relies on patent and trade secret laws, copyright, trademark, confidentiality procedures, controls and contractual commitments to protect our intellectual property rights” in Part I, Item 1A. Risk Factors herein.

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Raw Materials

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The Company purchases a wide variety of raw materials for the manufacture of its products, including (i) precious metals such as gold, silver and palladium, (ii) aluminum, steel, copper, titanium and metal alloy products and (iii) plastic materials. The Company also purchases a wide variety of mechanical and electronic components for the manufacturing of its products. Such raw materials and components are generally available throughout the world and are purchased locally from a variety of suppliers. The Company is generally not dependent upon any one source for raw materials or components or, if one source is used, the Company attempts to protect itself through long-term supply agreements. The Company does not anticipate any difficulties in obtaining raw materials or components necessary for production. Information regarding our purchasing obligations related to commitments to purchase certain goods and services is disclosed in Note 14 of the Notes to the Consolidated Financial Statements. For a discussion of certain risks related to raw materials and components, refer to the risk factor titled “The Company has at times experienced difficulties in obtaining a consistent supply of materials at stable pricing levels” in Part I, Item 1A. Risk Factors herein.

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Competition

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The Company encounters competition in substantially all areas of its business. The Company competes primarily on the basis of technology innovation, product quality and performance, price, customer service and delivery time. Primary competitors within the Interconnect Products and Assemblies segment include Carlisle, Commscope, Delphi, Esterline, Foxconn, Hirose, Huber & Suhner, ICT Luxshare, JAE, Jonhon, JST, Molex, Radiall, Rosenberger, Sensata, TE Connectivity, Yazaki and 3M, among others. Primary competitors within the Cable Products and Solutions segment include Belden and Commscope, among others. In addition, the Company competes with a large number of smaller companies who compete in specific geographies, markets or products. For a discussion of certain risks related to competition, refer to the risk factor titled “The Company encounters competition in substantially all areas of its business” in Part I, Item 1A. Risk Factors herein.

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Backlog

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The Company estimates that its backlog of unfilled firm orders as of December 31, 2019 was approximately $1.978 billion compared with backlog of approximately $1.720 billion as of December 31, 2018. Orders typically fluctuate from quarter to quarter based on customer demand and general business conditions. Unfilled orders may generally be cancelled prior to shipment of goods. It is expected that all or a substantial portion of the backlog will be filled within the next 12 months. Significant elements of the Company’s business, such as sales to the communications-related markets (including wireless communications, information technology and data communications and broadband communications) and sales to distributors, generally have short lead times. Therefore, backlog may not be indicative of future demand.

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Employees

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As of December 31, 2019, the Company had approximately 74,000 employees worldwide. The Company believes that it has a good relationship with its unionized and non-unionized employees.

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Environmental Matters

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Certain operations of the Company are subject to environmental laws and regulations which govern the discharge of pollutants into the air and water, as well as the handling and disposal of solid and hazardous wastes. The Company believes that its operations are currently in substantial compliance with applicable environmental laws and regulations and that the costs of continuing compliance will not have a material adverse effect on the Company’s financial condition, results of operations or cash flows. For a discussion of certain risks related to environmental matters, refer to the risk factor titled “The Company is subject to environmental laws and regulations that could adversely affect its business” in Part I, Item 1A. Risk Factors herein.

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Available Information

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The Company’s annual report on Form 10-K and all of the Company’s other filings with the U.S. Securities and Exchange Commission (“SEC”), such as quarterly reports on Form 10-Q, current reports on Form 8-K and any amendments to those reports, are available to view, free of charge, on the Company’s website, www.amphenol.com, as soon as reasonably practicable after they are filed electronically with, or furnished to, the SEC. Copies are also available without charge, from Amphenol Corporation, Investor Relations, 358 Hall Avenue, Wallingford, CT 06492.

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movement of our goods across borders. Increasing protectionism and economic nationalism may lead to further changes in trade policy, domestic sourcing initiatives, or other formal and informal measures that could make it more difficult to sell our products in some markets.

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Changes in general economic conditions, geopolitical conditions, U.S. trade policies and other factors beyond the Company’s control may adversely impact our business and operating results.

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The Company’s operations and performance depend significantly on global, regional and U.S. economic and geopolitical conditions. In recent years, there has been discussion and dialogue regarding potential significant changes to U.S. trade policies, legislation, treaties and tariffs, in particular trade policies and tariffs affecting China. Some of these trade policies have been or are in the process of being renegotiated, including the U.S.’s trading relationship with China. Changes to current policies by the U.S. or other governments could affect our business, including potentially through increased import tariffs and other influences on U.S. trade relations with China and other countries. The imposition of additional tariffs or other trade barriers could increase our costs in certain markets, and may cause our customers to find alternative sourcing. In addition, other countries may change their own policies on business and foreign investment in companies in their respective countries. Additionally, it is possible that U.S. policy changes and uncertainty about such changes could increase market volatility and currency exchange rate fluctuations. Market volatility and currency exchange rate fluctuations could have a material adverse effect on our business, financial condition, results of operations or cash flows. As a result of these dynamics, we cannot predict the impact to our business of any future changes to the U.S.’s trading relationships.

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In addition to changes in U.S. trade policy, a number of other economic and geopolitical factors both in the United States and abroad could have a material adverse effect on the Company’s business, financial condition, results of operations or cash flows, such as:

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We have significant international sales and operations and face risks related to health epidemics such as the coronavirus.

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Any outbreaks of contagious diseases and other adverse public health developments in countries where we operate could have a material and adverse effect on our business, financial condition and results of operations. For example, the recent outbreak of a novel strain of coronavirus first identified in Wuhan, Hubei Province, China, has resulted in significant governmental measures being implemented to control the spread of the virus, including restrictions on manufacturing and the movement of employees in many regions of the country. This has affected our manufacturing facilities in China as well as the facilities of our suppliers, customers and our customers’ contract manufacturers. The extent to which the coronavirus will impact our business and our financial results will depend on future developments, which are highly uncertain and cannot be predicted. In addition, the coronavirus may result in a widespread health crisis that could adversely affect the economies and financial markets of many countries, resulting in an economic downturn

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that could affect demand for our end customers’ products. As a result, at the time of this filing, it is impossible to predict the overall impact of the coronavirus on our business and financial results.

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Our international operations require us to comply with anti-corruption laws and regulations of the U.S. government and various foreign jurisdictions and our business reputation and financial results may be impaired by improper conduct by any of our employees, customers, suppliers, distributors or any other business partners.

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Doing business on a worldwide basis requires us and our subsidiaries to comply with the laws and regulations of the U.S. government and various foreign jurisdictions, and our failure to comply with these rules and regulations may expose us to significant liabilities. These laws and regulations may apply to companies, individual directors, officers, employees, subcontractors and agents, and may restrict our operations, trade practices, investment decisions and partnering activities. In particular, our international operations are subject to U.S. and foreign anti-corruption laws and regulations, such as the Foreign Corrupt Practices Act of 1977, as amended (“FCPA”). The FCPA prohibits U.S. companies and their officers, directors, employees and agents acting on their behalf from corruptly offering, promising, authorizing or providing anything of value to foreign officials for the purposes of influencing official decisions or obtaining or retaining business or otherwise obtaining favorable treatment. The FCPA also requires companies to make and keep books, records and accounts that accurately and fairly reflect transactions and dispositions of assets and to maintain a system of adequate internal accounting controls. As part of our business, we deal with state-owned business enterprises, the employees and representatives of which may be considered foreign officials for purposes of the FCPA. In addition, some of the foreign locations in which we operate lack a developed legal system and have elevated levels of corruption. As a result of the above activities, we are exposed to the risk of violating anti-corruption laws.

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We have established policies and procedures designed to assist us and our personnel in complying with applicable U.S. and international laws and regulations. However, there can be no assurance that these policies will be effective in preventing our directors, officers, employees, subcontractors and agents from taking actions that violate these legal requirements. Violations of these legal requirements could subject us to criminal fines and imprisonment, civil penalties, disgorgement of profits, injunctions, debarment from government contracts and other remedial measures. In addition, any actual or alleged violations could disrupt our operations, cause reputational harm, involve significant management distraction and result in a material adverse effect on our competitive position, results of operations, cash flows or financial condition.

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The Company’s results have at times been negatively affected by foreign currency exchange rates.

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The Company conducts business in many foreign currencies through its worldwide operations, and as a result is subject to foreign exchange exposure due to changes in exchange rates of the various currencies including possible currency devaluations. Changes in exchange rates can positively or negatively affect the Company’s sales, operating margins and equity. The Company manages currency exposure risk in a number of ways, including producing its products in the same country or region in which the products are sold (thereby generating revenues and incurring expenses in the same currency), cost reduction and pricing actions, working capital management and hedging contracts. However, there can be no assurance that these actions will be fully effective in managing currency risk, including in the event of a significant and sudden decline in the value of any of the foreign currencies of the Company’s worldwide operations, which could have an adverse effect on the Company’s business, financial condition and results of operations.

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The Company has at times experienced difficulties in obtaining a consistent supply of materials at stable pricing levels.

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The Company uses basic materials like aluminum, steel, copper, titanium, metal alloys, gold, silver, palladium and plastic resins in its manufacturing processes as well as a variety of components and relies on third party suppliers to secure these materials. Volatility in the prices of such materials and availability of supply may have a substantial impact on the price the Company pays for such materials. In addition, the Company may not be able to pass along increased raw material or component prices to its customers. Consequently, our results of operations and financial condition may be adversely affected.

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In limited instances we depend on a single source of supply or participate in commodity markets that may be served by a limited number of suppliers. Delays in obtaining supplies may result from a number of factors affecting our suppliers, and any delay could impair our ability to deliver products to our customers and, accordingly, could have an adverse effect on our business, results of operations and financial condition.

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Risks related to our end markets

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The Company is dependent on the communications industry, including information technology and data communications, wireless communications and broadband communications.

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Approximately 44% of the Company’s 2019 net sales came from sales to the communications industry, including information technology and data communication, wireless communications and broadband communications, with 13% of the Company’s 2019 net sales coming from sales to the mobile devices market. Demand for these products is subject to rapid technological change. These markets are dominated by several large manufacturers and operators who regularly exert significant pressure on their suppliers, including the Company. Furthermore, there has been a trend on the part of customers to consolidate their lists of qualified suppliers to companies that have the ability to meet certain technical, quality, delivery and other standards while maintaining competitive prices. There can be no assurance that the Company will be able to meet these standards or maintain competitive pricing and therefore continue to compete successfully in the communications industry. The Company’s failure to do so could have a material adverse effect on the Company’s business, financial condition and results of operations.

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Approximately 4% and 8% of the Company’s 2019 net sales came from sales to the broadband communications and mobile networks markets, respectively. Demand for the Company’s products in these markets depends primarily on capital spending by operators for constructing, rebuilding or upgrading their systems. The amount of this capital spending and, therefore, the Company’s sales and profitability will be affected by a variety of factors, including general economic conditions, consolidation within the communications industry, the financial condition of operators and their access to financing, competition, technological developments, new legislation and regulation of operators. There can be no assurance that existing levels of capital spending will continue or that spending will not decrease.

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Changes in defense expenditures may reduce the Company’s sales.

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Approximately 12% of the Company’s 2019 net sales came from sales to the military market. The Company participates in a broad spectrum of defense programs. The Company’s military sales are generally to contractors and subcontractors of the U.S. or foreign governments or to distributors that in turn sell to the contractors and subcontractors. Accordingly, the Company’s sales are affected by changes in the defense budgets of the U.S. and foreign governments. A significant decline in U.S. or foreign government defense expenditures could have an adverse effect on the Company’s business, financial condition and results of operations. U.S. and foreign government expenditures are also subject to political and budgetary fluctuations and constraints, which may result in significant unexpected changes in levels of demand for our products.

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The Company is dependent on the acceptance of new product introductions for continued revenue growth.

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The Company estimates that products introduced in the last two years accounted for approximately 25% of 2019 net sales. The Company’s long-term results of operations depend substantially upon its ability to continue to conceive, design, manufacture and market new products and upon continuing market acceptance of its existing and future product lines. In the ordinary course of business, the Company continually develops or creates new product line concepts. If the Company fails, or is significantly delayed, in introducing new product line concepts or if the Company’s new products are not met with market acceptance, its business, financial condition and results of operations may be adversely affected.

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The Company encounters competition in substantially all areas of its business.

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The Company competes primarily on the basis of technology innovation, product quality and performance, price, customer service and delivery time. Competitors include large, diversified companies, some of which have greater assets and financial resources than the Company, as well as medium- to small-sized companies. In addition, rapid technological changes occurring in the communications industry could also lead to the entry of new competitors of all sizes against whom we may not be able to successfully compete. There can be no assurance that the Company will be able to compete successfully against existing or new competition, and the inability to do so may result in price reductions, reduced margins, or loss of market share, any of which could have an adverse effect on the Company’s business, financial condition and results of operations.

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Risks related to acquisitions

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The Company has at times experienced difficulties and unanticipated expenses in connection with purchasing and integrating newly acquired businesses.

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The Company has completed a number of acquisitions in recent years, including nine in 2019. The Company anticipates that it will continue to pursue acquisition opportunities as part of its growth strategy. From time to time, the Company experiences difficulty and unanticipated expenses associated with purchasing and integrating acquisitions, and acquisitions do not always perform as expected. The Company has also experienced challenges at times following the acquisition of a new company or business, including but not limited to: managing the operations, manufacturing facilities and technology; maintaining and increasing the customer base; or retaining key employees, suppliers and distributors. In some cases, the Company may pursue indemnification claims against the seller or sellers of an acquired business for pre-acquisition liabilities, breaches of representations, warranties or covenants or for other reasons provided for in the relevant acquisition agreement. To the extent we pursue indemnification claims against the seller or sellers of any acquired business, such seller or sellers may successfully contest such claims, such seller or sellers may not have the financial capacity to compensate us for such claims or such claims may otherwise be difficult or impractical to enforce. Although we expect to realize strategic, operational and financial benefits as a result of past or future acquisitions and investments, we cannot predict or guarantee whether and to what extent anticipated cost savings, benefits and growth prospects will be achieved.

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The Company may in the future incur goodwill and other intangible asset impairment charges.

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At December 31, 2019, the total assets of the Company were $10,815.5 million, which included $4,867.1 million of goodwill (the excess of fair value of consideration paid over the fair value of net identifiable assets of businesses acquired) and $442.0 million of other intangible assets, net. The Company performs annual evaluations (or more frequently, if necessary) for the potential impairment of the carrying value of goodwill and other intangible assets. Such evaluations to date have not resulted in the need to recognize an impairment. However, if the financial performance of the Company’s businesses were to decline significantly, the Company could incur a material non-cash charge to its income statement for the impairment of goodwill and other intangible assets. Furthermore, we cannot provide assurance that impairment charges in the future will not be required if the expected cash flow estimates as projected by management do not occur, especially if an economic recession occurs and continues for a lengthy period or becomes severe, or if acquisitions and investments made by the Company fail to achieve expected returns.

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Risks related to our liquidity and capital resources

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The Company’s credit agreements contain certain covenants, which if breached, could have a material adverse effect on the Company.

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The Credit Agreement, as amended and restated effective January 15, 2019, among the Company, certain subsidiaries of the Company and a syndicate of financial institutions (the “Revolving Credit Facility”), which also backstops the Company’s U.S. commercial paper program (“U.S. Commercial Paper Program”) and Euro commercial paper program, contains financial and other covenants, such as a limit on the ratio of debt to earnings before interest, taxes, depreciation and amortization, a limit on priority indebtedness and limits on incurrence of liens. Although the Company believes none of these covenants is presently restrictive to the Company’s operations, the ability to meet the financial covenants can be affected by events beyond the Company’s control, and the Company cannot provide assurance that it will meet those tests. A breach of any of these covenants could result in a default under the Revolving Credit Facility. Upon the occurrence of an event of default under any of the Company’s credit facilities, the lenders could terminate all commitments to extend further credit and elect to declare amounts outstanding thereunder to be immediately due and payable which could result in the acceleration of certain of the Company’s other indebtedness and the Company not having sufficient assets to repay the Revolving Credit Facility and such other indebtedness. As of December 31, 2019, the Company had outstanding borrowings under the Revolving Credit Facility, U.S. Commercial Paper Program and Euro commercial paper program of nil, $160.0 million and $235.5 million, respectively.

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The Company relies on the capital markets, and its inability to access those markets on favorable terms could adversely affect the Company’s results.

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The Company has used the capital markets to invest in its business and make strategic acquisitions. If general economic and capital market conditions deteriorate significantly, it could impact the Company’s ability to access the

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capital markets. While the Company has not recently encountered any financing difficulties, the capital and credit markets have experienced significant volatility in the past. Market conditions could make it more difficult to access capital to finance capital investments, acquisitions and other initiatives including dividends and share repurchases. As such, this could have a material adverse effect on the Company’s business, financial condition, results of operations or cash flows. In addition, while the Company has not encountered any such issues to date, if the credit rating agencies that rate the Company’s debt were to downgrade the Company’s credit rating in conjunction with a deterioration of the Company’s performance, it would likely increase the Company’s cost of capital and make it more difficult for the Company to obtain new financing and access capital markets, which could also have a material adverse effect on the Company’s business, financial condition, results of operations or cash flows.

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The Company’s results may be negatively affected by changing interest rates.

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The Company is subject to interest rate volatility with regard to existing and future issuances of debt. The Company monitors its mix of fixed-rate and variable-rate debt, as well as its mix of short-term and long-term debt. As of December 31, 2019, approximately $400 million, or 11%, of the Company’s outstanding borrowings were subject to floating interest rates and were primarily comprised of commercial paper borrowings. A 10% change in the London Interbank Offered Rate (“LIBOR”) or floating interest rates at December 31, 2019 would not have a material effect on the Company’s interest expense. The Company does not expect changes in interest rates to have a material effect on income or cash flows in 2020, although there can be no assurance that interest rates will not change significantly.

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In 2017, the United Kingdom's Financial Conduct Authority, which regulates LIBOR, announced its intent to phase out LIBOR by the end of 2021.  If LIBOR ceases to exist or if the methods of calculating LIBOR change from their current form, interest rates on, and the market price for, our current or future indebtedness may be adversely affected. Refer to Part II, Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations for further discussion and details on this development.

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As of December 31, 2019, approximately 89% of the Company’s outstanding borrowings were based on fixed rates and primarily related to the following unsecured Senior Notes:

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Legal and regulatory risks

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Our business and financial results may be adversely affected by government contracting risks.

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We are subject to various laws and regulations applicable to parties doing business with the U.S. government, including laws and regulations governing performance of U.S. government contracts, the use and treatment of U.S. government furnished property and the nature of materials used in our products. We may be unilaterally suspended or barred from conducting business with the U.S. government or its suppliers (both directly and indirectly), or become subject to fines or other sanctions if we are found to have violated such laws or regulations. As a result of the need to comply with these laws and regulations, we are subject to increased risks of governmental investigations, civil fraud actions, criminal prosecutions, whistleblower lawsuits and other enforcement actions. For example, in August 2018, we received a subpoena from the U.S. Department of Defense, Office of the Inspector General, requesting documents pertaining to certain products manufactured by the Company’s Military and Aerospace Group that are purchased or used by the U.S. government, as noted herein in Item 3. Legal Proceedings. The laws and regulations to which we are subject include, but are not limited to, Export Administration Regulations, the Federal Acquisition Regulation, the False Claims Act, International Traffic in Arms Regulations and regulations from the Bureau of Alcohol, Tobacco and Firearms and the FCPA. Failure to comply with applicable requirements also could harm our reputation and our ability to compete for future government contracts or sell commercial equivalent products. Any of these outcomes could have a material adverse effect on our business, results of operations and financial condition.

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In addition, U.S. government contracts are subject to modification, curtailment or termination by the U.S. government without prior written notice, either for convenience or for default as a result of our failure to perform under the applicable contract. If terminated by the U.S. government as a result of our default, we could be liable for additional costs the U.S. government incurs in acquiring undelivered goods or services from another source and any other damages it suffers. We are also prohibited from assigning prime U.S. government contracts without the prior consent of the U.S. government contracting officer. Furthermore, the U.S. government periodically audits our governmental contract costs, which could result in fines, penalties or adjustment of costs and prices under the contracts. Any such fines, penalties or payment adjustments resulting from such audits could adversely affect our reputation, business, financial condition, results of operations or cash flows.

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The Company is subject to governmental export and import controls.

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Certain of our products, including purchased components of such products, are subject to export controls and may be exported only with the required export license or through an export license exception. In addition, we are required to comply with certain U.S. and foreign sanctions and embargoes. These laws and regulations are complex, may change frequently and with limited notice, have generally become more stringent over time and have intensified under the current U.S. administration, especially in light of recent trade tensions with China. For example, in 2019, the U.S. government added certain of the Company’s customers based in China to its “Entity List”, which imposes additional restrictions on sales to such customers. Although such restrictions did not have a material adverse effect on the Company’s business, financial condition and results of operations, the U.S. government has the power to place even greater restrictions on these and other customers, and such restrictions could prohibit the Company from selling products to such customers. If we were to fail to comply with these restrictions or applicable export licensing, customs regulations, economic sanctions and other laws, we could be subject to substantial civil and criminal penalties, including fines for us, the incarceration of responsible employees and managers, and the possible loss of export or import privileges. In addition, if our distributors fail to obtain appropriate import, export or re-export licenses or permits, we may also be adversely affected through reputational harm and penalties. Obtaining the necessary export license for a particular sale may be time-consuming and may result in the delay or loss of sales opportunities.

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Cybersecurity incidents on our information technology systems could disrupt business operations, resulting in adverse impacts to our reputation and operating results and potentially leading to litigation and/or governmental investigations.

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Cybersecurity threats continue to expand and evolve globally, making it difficult to detect and prevent such threats from impacting the Company. The Company has been a target of various cybersecurity attacks, including but not limited to ransomware attacks, but the impact of such attacks has not been material. Cybersecurity threats to the Company could lead to unauthorized access to the Company’s information technology systems, products, customers, suppliers and third party service providers. Cybersecurity incidents could potentially result in the disruption of our business operations and the misappropriation, destruction or corruption of critical data and confidential or proprietary technological information. Cybersecurity incidents could also result from unauthorized parties gaining access to our systems or information through fraud or other means of deceiving our employees, suppliers or third party service providers. Despite the Company’s implementation of preventative security measures to prevent, detect, address and mitigate these threats, our infrastructure may still be susceptible to disruptions from cybersecurity incidents, ransomware attacks, security breaches, computer viruses, outages, systems failures or other catastrophic events, any of which could include reputational damage, loss of our intellectual property, litigation with third parties and/or governmental investigations, among other things, which could have a material adverse effect on our business, financial condition and results of operations.

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The regulatory environment surrounding information security and privacy is increasingly demanding, with frequent imposition of new and changing requirements. For example, the European Union's General Data Protection Regulation (“GDPR”), which became effective in May 2018, and the state of California’s California Consumer Privacy Act (“CCPA”), which became effective January 1, 2020, impose significant new requirements and additional obligations for companies on how they collect, process and transfer personal data by enhancing consumer privacy rights and imposing significant fines for non-compliance. The potential for fines and other related costs in the event of a breach of or non-compliance with the GDPR, CCPA or other existing or proposed information security or privacy laws and requirements may have an adverse effect on our financial results.

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Changes in fiscal and tax policies, audits and examinations by taxing authorities could impact the Company’s results.

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The Company is subject to taxes in the U.S. and numerous foreign jurisdictions.  The Company is also subject to tax examinations by various tax authorities and in addition, new examinations could be initiated by tax authorities. As the Company has operations in jurisdictions throughout the world, the risk of tax examinations will continue to occur. The Company’s financial condition, results of operations or cash flows may be materially impacted by the results of these tax examinations.

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Any future changes in tax laws, regulations, accounting standards for income taxes and/or other tax guidance, including related interpretations, could materially impact the Company’s current, non-current and deferred tax assets and liabilities, and consequently, our financial condition, results of operations or cash flows.

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The Company relies on patent and trade secret laws, copyright, trademark, confidentiality procedures, controls and contractual commitments to protect our intellectual property rights.

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We rely on patent and trade secret laws, copyright, trademark, confidentiality procedures, controls and contractual commitments to protect our intellectual property rights. Despite our efforts, these protections may be limited and we may encounter difficulties in protecting our intellectual property rights, particularly in certain countries outside the U.S. We cannot provide assurance that the patents that we hold or may obtain will provide meaningful protection against our competitors. Changes in national or international laws concerning intellectual property may affect our ability to prevent or address the misappropriation of, or the unauthorized use of, our intellectual property, potentially resulting in loss of market share. Litigation may be necessary to enforce our intellectual property rights. Litigation is inherently uncertain and outcomes are often unpredictable. If we cannot protect our intellectual property rights against unauthorized copying or use, or other misappropriation, we may not remain competitive.

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The Company is subject to customer claims, litigation and other regulatory or legal proceedings.

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The Company is currently engaged in, or subject to, various customer claims, litigation and other regulatory and legal matters and may be subject to additional claims, litigation and other regulatory or legal proceedings in the future. Such matters expose the Company to risks that could be material, including but not limited to, risks related to employment disputes, tax controversies, government investigations, intellectual property infringement, compliance with environmental laws, unfair sales practices, product safety and liability, and product warranty and other contract-related claims. These matters may subject the Company to lawsuits, product recalls, government investigations and criminal liability, including claims for compensatory, punitive or consequential damages, and could result in disruptions to our business and significant legal expenses. These matters could also damage our reputation, harm our relationships with customers or negatively affect product demand. While the Company does maintain certain insurance coverages that may mitigate losses associated with some of these types of claims and proceedings, the policies may not respond in all cases and the amount of insurance coverage may not be adequate to cover the total claims and liabilities. Any current or future substantial liabilities or regulatory actions could have a material adverse effect on our business, financial condition, cash flows and reputation.

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The Company is subject to environmental laws and regulations that could adversely affect its business.

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The Company operates in both the United States and various foreign jurisdictions, and we must comply with locally enacted laws and regulations addressing health, safety and environmental matters in such jurisdictions in which we manufacture and/or sell our products. Certain operations of the Company are subject to locally enacted environmental laws and regulations which govern the discharge of pollutants into the air and water, as well as the handling and disposal of solid and hazardous wastes. While the Company believes that its operations are currently in substantial compliance with applicable environmental laws and regulations, the Company and its operations may be subject to liabilities, regardless of fault, for investigative and/or remediation efforts on such matters that may arise at any of the Company’s former or current properties, either owned or leased. Such liabilities could result from the use of hazardous materials in production, the disposal of products, damages associated with the use of any of our products or other related matters. We cannot be certain as to the potential impact of any changes to environmental conditions or environmental policies that may arise at any of our jurisdictions. Our failure to comply with these local environmental laws and regulations could result in fines or other punitive damages and/or modifications to our production processes as well as subject us to reputational harm, any of which could adversely impact our financial position, results of operations, or cash flows.

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Dividends declared and paid for the years ended December 31, 2019 and 2018 (in millions) were as follows:

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The Company’s Revolving Credit Facility contains financial covenants and restrictions, some of which may limit the Company’s ability to pay dividends, and any future indebtedness that the Company may incur could limit its ability to pay dividends.

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Repurchase of Equity Securities

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In April 2018, the Company’s Board of Directors authorized a stock repurchase program under which the Company may purchase up to $2.0 billion of the Company’s Common Stock during the three-year period ending April 24, 2021 (the “2018 Stock Repurchase Program”) in accordance with the requirements of Rule 10b-18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”). During the year ended December 31, 2019, the Company repurchased 6.5 million shares of its Common Stock for $601.7 million under the 2018 Stock Repurchase Program. Of the total repurchases in 2019, 5.5 million shares, or $514.1 million, have been retired by the Company; the remaining 1.0 million shares, or $87.6 million, were retained in Treasury stock at time of repurchase.  From January 1, 2020 through January 31, 2020, the Company repurchased 0.3 million additional shares of Common Stock for $29.0 million, leaving $816.1 million available to purchase under the 2018 Stock Repurchase Program. The price and timing of any future purchases under the 2018 Stock Repurchase Program will depend on factors such as levels of cash generation from operations, the volume of stock option exercises by employees, cash requirements for acquisitions, dividends, economic and market conditions and stock price.

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The table below reflects the Company’s stock repurchases for the year ended December 31, 2019:

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The Company’s strategic objective is to further enhance its position in its served markets by pursuing the following success factors:

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In 2019, the Company reported net sales of $8,225.4, which was flat compared to 2018, along with operating income and net income attributable to Amphenol Corporation of $1,619.2 and $1,155.0, respectively, both representing a decrease of 4% from 2018. In 2019, the Company’s net income attributable to Amphenol Corporation was impacted by (a) excess tax benefits related to stock-based compensation of $38.1 resulting from stock option exercises, partially offset by (b) acquisition-related expenses of $25.4 ($21.0 after-tax) primarily from the amortization related to the value associated with acquired backlog as well as external transaction costs and (c) refinancing-related costs associated with the early extinguishment of debt of $14.3 ($12.5 after-tax), comprised primarily of the premiums and other fees incurred from the early extinguishment of redeemed amounts of our 3.125% Senior Notes and 4.00% Senior Notes resulting from the tender offers in September 2019 described herein under “Liquidity and Capital Resources – Financing Activities”. In 2018, the Company’s net income attributable to Amphenol Corporation was impacted by the recognition of an income tax benefit of $14.5 related to the completion of the accounting for the Tax Act Charge (defined below) in the fourth quarter of 2018, along with excess tax benefits of $19.8 from stock option exercises, partially offset by acquisition-related expenses incurred during the year. Excluding the effects of these items, Adjusted Operating Income and Adjusted Net Income attributable to Amphenol Corporation, as defined in the “Non-GAAP Financial Measures” section below and as reconciled in Part II, Item 7 herein, decreased by 3% and 2%, respectively, in 2019. Sales and profitability trends are discussed in detail in “Results of Operations” below. In addition, a strength of the Company has been its ability to consistently generate cash from operations. The Company uses cash generated from operations to fund capital expenditures and acquisitions, repurchase shares of its common stock, pay dividends and reduce indebtedness. In 2019, the Company generated operating cash flow of $1,502.3, which net of capital expenditures of $295.0, resulted in Free cash flow of $1,207.3. Free cash flow, a non-GAAP financial measure, is defined in the “Non-GAAP Financial Measures” section below and reconciled within this Part II, Item 7 herein.

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Tax Cuts and Jobs Act of 2017

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On December 22, 2017, the United States federal government enacted the Tax Cuts and Jobs Act (“Tax Act”), marking a change from a worldwide tax system to a modified territorial tax system in the United States and a reduction of the U.S. federal corporate income tax rate from 35% to 21%. As a result of the Tax Act, in the fourth quarter of 2017, the Company recorded an income tax charge of $398.5 (“Tax Act Charge”). The Tax Act Charge was a provisional amount recorded in accordance with SEC Staff Accounting Bulletin No. 118 (“SAB 118”), which was subsequently codified under ASU 2018-05, Income Taxes (Topic 740): Amendments to SEC Paragraphs Pursuant to SEC Staff Accounting Bulletin No. 118. Consistent with ASU 2018-05, the Company completed its accounting of the Tax Act Charge and recorded an income tax benefit of $14.5 in 2018, reflecting the interpretive guidance that was issued subsequent to our 2017 Form 10-K filing. While the Company completed its accounting of the Tax Act in the fourth quarter of 2018 based on the regulatory guidance issued at that time, the Department of Treasury interpretive guidance initiatives are ongoing. Refer to Note 6 of the Notes to the Consolidated Financial Statements for further discussion of the Tax Act.

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The table below reconciles Constant Currency Net Sales Growth and Organic Net Sales Growth to the most directly comparable U.S. GAAP financial measures, by segment and consolidated, for the year ended December 31, 2019 compared to the year ended December 31, 2018:

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Geographically, net sales in the United States in 2019 increased approximately 13% in U.S. dollars ($2,524.7 in 2019 versus $2,241.4 in 2018) and 4% organically, compared to 2018. Foreign sales in 2019 decreased approximately 4% in U.S. dollars ($5,700.7 in 2019 versus $5,960.6 in 2018), 2% in constant currencies and 6% organically, compared to 2018, driven by moderations in Asia. The comparatively stronger U.S. dollar in 2019 had the effect of decreasing net sales by approximately $125.8 when compared to foreign currency translation rates in 2018.

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Selling, general and administrative expenses were $971.4 or 11.8% of net sales for 2019, compared to $959.5 or 11.7% of net sales for 2018. Administrative expenses were flat in 2019 compared to 2018, and represented approximately 4.7% of net sales in both years. Research and development expenses increased approximately $13.3 in 2019 primarily related to increases in expenses for new product development, and represented approximately 2.8% of net sales in 2019 and 2.7% of net sales in 2018. Selling and marketing expenses were flat in 2019 compared to 2018, and represented approximately 4.3% of net sales in both years.

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Operating income was $1,619.2 or 19.7% of net sales in 2019, compared to $1,686.9 or 20.6% of net sales in 2018. Operating income for 2019 included acquisition-related expenses of $25.4, comprising of the amortization of $15.7 related to the value associated with acquired backlog resulting from 2019 acquisitions, with the remainder representing external transaction costs. Operating income for 2018 included acquisition-related expenses of $8.5, related to external transaction costs. These acquisition-related expenses are separately presented in the Consolidated Statements of Income. Excluding the effect of these acquisition-related expenses, Adjusted Operating Income and Adjusted Operating Margin, as defined in the “Non-GAAP Financial Measures” section below, were $1,644.6 or 20.0% of net sales in 2019 and $1,695.4 or 20.7% in 2018. Operating income for the Interconnect Products and Assemblies segment in 2019 was $1,722.7 or 22.0% of net sales, compared to $1,752.5 or 22.5% of net sales in 2018. The slight decrease in operating margin for the Interconnect Products and Assemblies segment for 2019 compared to 2018 was primarily driven by normal downside conversion related to the organic decline in sales as well as the impact of recent acquisitions which currently have, on average, a lower operating margin than the average of the Interconnect Products and Assemblies segment. In addition, the operating income for the Cable Products and Solutions segment in 2019 was $39.5 or 10.2% of net sales, compared to $52.6 or 12.5% of net sales in 2018. The decrease in operating income margin for the Cable Products and Solutions segment in 2019 compared to 2018 was primarily driven by lower volumes and product mix.

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Interest expense was $117.6 in 2019 compared to $101.7 in 2018. The increase is primarily due to higher average debt levels and the higher average interest rate associated with the 4.350% U.S. Senior Notes issuance in January 2019 (the net proceeds of which, along with commercial paper borrowings, were used to repay the Company’s 2.55% U.S. Senior Notes also in January 2019).

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Loss on early extinguishment of debt was $14.3 in 2019, which related to refinancing-related costs, specifically premiums and fees incurred associated with the early extinguishment of certain redeemed principal amounts of the 3.125% Senior Notes and 4.00% Senior Notes (collectively, the “Tendered Notes”) as a result of the tender offers in

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September 2019. Refer to Note 4 of the accompanying Consolidated Financial Statements and the Liquidity and Capital Resources section within this Item 7 for further information related to the Tendered Notes.

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Provision for income taxes was at an effective rate of 22.2% in 2019 and 23.4% in 2018. Provision for income taxes in 2019 included excess tax benefits of $38.1 from stock option exercises, which was partially offset by the tax effects related to (i) acquisition-related expenses during the year and (ii) refinancing-related costs associated with the early extinguishment of debt. Provision for income taxes in 2018 included (i) excess tax benefits of $19.8 from stock option exercises and (ii) an income tax benefit of $14.5 related to the completion of the accounting for the Tax Act Charge, which were partially offset by the tax effect related to acquisition-related expenses during the year. These items had the aggregate effect of lowering the effective tax rate and increasing earnings per share by the amounts noted in the tables below. Excluding the effect of these items, the Adjusted Effective Tax Rate, a non-GAAP financial measure as defined in the “Non-GAAP Financial Measures” section below within this Item 7, was 24.5% and 25.5% for 2019 and 2018, respectively, as reconciled in the table below to the comparable effective tax rate based on GAAP results. For additional details related to the reconciliation between the U.S. statutory federal tax rate and the Company’s effective tax rate for these years, refer to Note 6 of the Notes to the Consolidated Financial Statements.

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Net income attributable to Amphenol Corporation and Net income per common share-Diluted (“Diluted EPS”) was $1,155.0 and $3.75, respectively, for 2019, compared to $1,205.0 and $3.85, respectively, for 2018. Excluding the effect of the aforementioned items, Adjusted Net Income attributable to Amphenol Corporation and Adjusted Diluted EPS, as defined in the “Non-GAAP Financial Measures” section below within this Item 7, were $1,150.4 and $3.74, respectively, for 2019, compared to $1,177.9 and $3.77, respectively, for 2018.

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The following table reconciles Adjusted Operating Income, Adjusted Operating Margin, Adjusted Net Income attributable to Amphenol Corporation, Adjusted Effective Tax Rate and Adjusted Diluted EPS (all defined in the “Non-GAAP Financial Measures” section below) to the most directly comparable U.S. GAAP financial measures for the years ended December 31, 2019 and 2018:

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2018 Compared to 2017

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Net sales were $8,202.0 for the year ended December 31, 2018 compared to $7,011.3 for the year ended December 31, 2017, an increase of 17% in both U.S. dollars and constant currencies and 14% organically (excluding both currency and acquisition impacts) over the prior year. Net sales in the Interconnect Products and Assemblies segment (approximately 95% of net sales) increased 18% in U.S. dollars, 17% in constant currencies and 14% organically in 2018, compared to 2017. The sales growth was driven by growth in the mobile devices, industrial, automotive, information technology and data communications, military, mobile networks and commercial aerospace markets, partially offset by a slight decline in sales into the broadband communications market, with growth resulting primarily from organic strength, in addition to contributions from the Company’s acquisitions. Net sales to the mobile devices market increased (approximately $403.6) primarily due to growth in sales of products incorporated into smartphones and related accessories, partially offset by declining sales of products incorporated into tablets. Net sales to

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the industrial market increased (approximately $214.9), reflecting sales strength in medical, heavy equipment, electric vehicle, railway and mass transit, and oil and gas, as well as contributions from acquisitions. Net sales to the automotive market increased (approximately $184.9), driven by growth and expansion in most regions of the global automotive market, as well as contributions from acquisitions. Net sales to the information technology and data communications market increased (approximately $166.1), reflecting organic growth in products for data centers, including server and networking-related applications, storage, and consumer electronics. Net sales to the military market increased (approximately $133.2), driven by broad strength across the market including increased sales into avionics, military communications and military airframe applications, as well as missile applications. Net sales to the mobile networks market increased (approximately $56.3), due to increased sales to both mobile networks equipment manufacturers and mobile operators. Net sales to the commercial aerospace market increased (approximately $39.6) primarily due to strength in large passenger planes. Net sales in the Cable Products and Solutions segment (approximately 5% of net sales), which primarily serves the broadband communications market, increased 4% in U.S. dollars, 6% in constant currencies and 6% organically in 2018, compared to 2017. The increase in the Cable Products and Solutions segment was primarily due to an increase in cable products sold into the mobile networks market, which was partially offset by the slight decrease in sales into the broadband communications market.

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The table below reconciles Constant Currency Net Sales Growth and Organic Net Sales Growth to the most directly comparable U.S. GAAP financial measures, by segment and consolidated, for the year ended December 31, 2018 compared to the year ended December 31, 2017:

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