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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington D.C. 20549
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FORM 8-K
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CURRENT REPORT
Pursuant to Section 13 or 15(d) of the
Securities Exchange Act of 1934
Date of report (date of earliest event reported): January 28, 2021
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FIRST INTERSTATE BANCSYSTEM, INC.
(Exact name of registrant as specified in its charter)
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Montana 001-34653   81-0331430
(State or other jurisdiction of
incorporation or organization)
(Commission
File No.)
  (IRS Employer
Identification No.)
401 North 31st Street
Billings,
MT
59116-0918
(Address of principal executive offices) (zip code)

(406) 255-5390
(Registrant’s telephone number, including area code)
Not Applicable
(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):
Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a- 12)
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

* * * * *
Securities registered pursuant to Section 12(b) of the Act:
Title of each class Trading Symbol(s) Name of exchange on which registered
Class A common stock, no par value FIBK NASDAQ
Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).
    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.
* * * * *



Item 2.02 Results of Operations and Financial Condition.
On January 28, 2021, First Interstate BancSystem, Inc. (the “Company”) issued a press release regarding its financial results for the quarter and year ended December 31, 2020. A copy of the press release is furnished herewith as Exhibit 99.1 and is incorporated by reference herein. Neither the information included or incorporated by reference under this Item 2.02, nor the press release furnished herewith, shall be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 (the “Exchange Act”) or incorporated by reference into any registration statement or other document filed pursuant to the Securities Act of 1933 (the “Securities Act”) or the Exchange Act, except as expressly set forth by specific reference in such filing.

Item 7.01 Regulation FD Disclosure.
On January 28, 2021, the Company posted a new corporate presentation (the “Presentation”) on the News and Events page of the Company’s website at https://www.fibk.com. The Presentation, which is furnished with this Current Report as Exhibit 99.2 and incorporated herein by reference, updates previously furnished presentations and provides an overview of the Company and its operations. Neither the information included or incorporated by reference under this Item 7.01, nor the Presentation furnished herewith, shall be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act or incorporated by reference into any filing under the Securities Act or the Exchange Act, except as expressly set forth by specific reference in such a filing.

Item 8.01 Other Events.
On January 28, 2021, the Company also announced that the Board of Directors of the Company declared, on January 28, 2021, a dividend of $0.41 per share, that is payable February 19, 2021 to shareholders of record of the Company as of February 9, 2021.

Item 9.01 Financial Statements and Exhibits.
(d) Exhibit Number Description
Press Release dated January 28, 2021.
Presentation
104 Cover Page Interactive Data File (embedded within Inline XBRL document).



SIGNATURES
Pursuant to the requirements of the Securities and Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
Date: January 28, 2021
 
FIRST INTERSTATE BANCSYSTEM, INC.
By: /s/ KEVIN P. RILEY
Kevin P. Riley
President and Chief Executive Officer



Exhibit 99.1
FIBSLOGO2LINEA041.JPG
For Immediate Release
First Interstate BancSystem, Inc. Reports Fourth Quarter Earnings and Announces 7.9% Increase in Quarterly Cash Dividend
Billings, MT - January 28, 2021 - First Interstate BancSystem, Inc. (NASDAQ: FIBK) today reported financial results for the fourth quarter of 2020. For the quarter, the Company reported net income of $46.9 million, or $0.76 per share, which compares to net income of $48.3 million, or $0.76 per share, for the third quarter of 2020, and $52.4 million, or $0.80 per share, for the fourth quarter of 2019.
The fourth quarter of 2019 included acquisition costs of $0.7 million related to the acquisitions of Idaho Independent Bank (“IIBK”) and Community 1st Bank (“CMYF”), both of which were acquired on April 8, 2019. The acquisition costs negatively impacted earnings by $0.01 per share in the fourth quarter of 2019.
For the year ending December 31, 2020, the Company reported net income of $161.2 million, or $2.53 per share, compared to $181.0 million, or $2.83 per share, in 2019. Results in the 2019 period include acquisition costs of $20.3 million related to the acquisitions of IIBK and CMYF. The acquisition costs negatively impacted earnings by $0.24 per common share for 2019.
HIGHLIGHTS
Net interest income increased $5.4 million, or 4.4%, to $128.4 million for the fourth quarter of 2020, from $123.0 million during the third quarter of 2020.
Total assets increased $579.2 million, or 3.4%, for the fourth quarter of 2020 from $17,069.5 million for the third quarter of 2020, and increased $3,004.5 million, or 20.5%, from $14,644.2 million for the fourth quarter of 2019.
Organic loan growth of 0.9% for the fourth quarter of 2020 or annualized growth of 3.6%, excluding the Paycheck Protection Program, or (PPP), loans.
During 2020, the Company made approximately 11,700 PPP loans for $1.2 billion of which $0.5 billion, or 41.7%, were forgiven by the Small Business Administration as of December 31, 2020.
Total deposits increased $334.6 million during the fourth quarter of 2020, or a 9.5% annualized growth rate.
Non-performing assets decreased $9.6 million, or 16.0%, to $50.5 million for the fourth quarter of 2020, from $60.1 million for the third quarter of 2020 and decreased $6.6 million, or 11.6%, from $57.1 million for the fourth quarter of 2019.
Criticized loans decreased $37.2 million, or 9.8%, compared to the third quarter of 2020 and $45.3 million, or 11.7%, compared to the fourth quarter of 2019.
The Company had existing deferrals on approximately 295 loans totaling approximately $23.7 million as of December 31, 2020, or 0.24% of loans held for investment as of December 31, 2020. Additionally, as of December 31, 2020, the Company had forbearance requests granted on 29 residential mortgage loans totaling $9.0 million.
The Company repurchased over 1.0 million common shares at an average price of $36.50 per share during the fourth quarter of 2020 and repurchased over 3.5 million shares of common stock at an average price of $32.62 during fiscal year 2020 as part of its previously announced stock repurchase program.
The quarterly cash dividend increased 7.9% from the fourth quarter of 2020 and increased 32.3% from the fourth quarter of 2019.
Book value per common share increased to $31.56 as of December 31, 2020, compared to $31.33 as of September 30, 2020, and $30.87 as of December 31, 2019.
“We delivered another quarter of strong performance to end 2020, as we continued to see economic strength throughout our markets that resulted in high quality lending opportunities, significant inflows of core deposits, and reductions in all of our problem loan categories,” said Kevin P. Riley, President and Chief Executive Officer of First Interstate BancSystem, Inc.
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“Excluding PPP loans, our total loan balances increased at a 3.6% annualized rate in the fourth quarter with broad growth across our commercial, commercial real estate, and residential real estate portfolios, while total deposits increased at a 9.5% annualized rate. Given our continued strong deposit growth, we began increasing purchases of securities for our investment portfolio and retaining more of our residential mortgage loan production in order to redeploy some of our excess liquidity. We plan to continue this strategy in order to drive additional growth in net interest income.
“As we enter 2021, we believe we are very well positioned to capitalize on the significant population and employment growth we are seeing in many of our markets. The investments we have made in personnel, technology, and process improvements over the past several years have created a strong platform for generating organic growth, which we plan to continue supplementing with accretive transactions that expand our presence in higher growth markets. We are confident that we can continue to execute well on our growth strategies, drive a higher level of earnings, return more capital to shareholders, and further enhance the value of our franchise in the years ahead,” said Mr. Riley.
DIVIDEND DECLARATION
On January 28, 2021, the Company’s board of directors declared a dividend of $0.41 per common share, payable on February 19, 2021, to common stockholders of record as of February 9, 2021. The dividend equates to a 4.32% annualized yield based on the $37.95 per share average closing price of the Company’s common stock as reported on NASDAQ during the fourth quarter of 2020.
NET INTEREST INCOME
Net interest income increased by 4.4%, to $128.4 million, during the fourth quarter of 2020, compared to $123.0 million during the third quarter of 2020. During the fourth quarter of 2020, the Company earned a total of $16.7 million of interest income from activity associated with PPP lending as compared to $10.6 million during the third quarter of 2020. Net interest income increased $0.2 million, or 0.2%, during the fourth quarter of 2020, from $128.2 million during the fourth quarter of 2019.
Included in net interest income was the recovery of previously charged-off interest of $0.1 million during the fourth quarter of 2020, compared to previously charged-off interest recoveries of $0.3 million during the fourth quarter of 2019. There were no material recoveries of previously charged-off interest included in net interest income during the third quarter of 2020.
Interest accretion attributable to the fair valuation of acquired loans contributed $3.1 million to net interest income during the fourth quarter of 2020, of which approximately $1.6 million was related to early payoffs. This compares to interest accretion of $3.2 million in net interest income during the third quarter of 2020, of which approximately $1.4 million was related to early payoffs, and compares to interest accretion of $5.2 million in net interest income during the fourth quarter of 2019, of which approximately $2.4 million was related to early payoffs.
The net interest margin ratio was 3.25% for the fourth quarter of 2020 compared to 3.29% reported during the third quarter of 2020 and 3.94% during the fourth quarter of 2019. Quarter over quarter, the decrease was the result of the growth in earning assets as a result of continued record-setting deposit growth invested at lower yields, which was partially offset by lower deposit costs. Year-over-year, the decrease was the result of a reduction in yields on earning assets related to the March 2020 reduction in the federal funds rate, growth in earning assets, resulting from growth in deposits as a result of a change in client behavior related to the coronavirus pandemic (COVID-19), and the interest on subordinated debt issued by the Company in May 2020, partially mitigated by lower deposit costs.
Exclusive of the impact of the recovery of charged-off interest and interest accretion, the Company’s net interest margin ratio contracted 3 basis points during the fourth quarter of 2020, compared to the third quarter of 2020, primarily due to lower yields on investment securities, partially offset by lower funding costs on time deposits.
Exclusive of the impact of the recovery of charged-off interest and interest accretion, the Company’s net interest margin ratio contracted 60 basis points, compared to the fourth quarter of 2019, primarily as a result of the impact of the reduction in March 2020 to the federal funds rate, higher cash balances as a result of significant deposit growth, and an increase in interest on long-term debt, all of which were partially offset by lower deposit costs.
PROVISION FOR CREDIT LOSSES
The 2020 provision for credit losses reflects the adoption of the current expected credit loss (CECL) accounting standard, effective January 1, 2020, and expected losses over the life of the loan portfolios in addition to changes in the Company’s internal economic forecast in response to COVID-19 and uncertainty regarding the benefits of government stimulus in response to COVID-19. During the fourth quarter of 2020, the Company recorded a provision for credit losses of $3.2 million, compared to $5.2 million during the third quarter of 2020 and $3.8 million during the fourth quarter of 2019 which was under the previous incurred loss model.
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The provision includes the impact of net charge-offs of $4.2 million, or an annualized 0.16% of average loans outstanding, for the fourth quarter of 2020, compared to $4.6 million, or an annualized 0.18% of average loans outstanding, for the third quarter of 2020, and $5.8 million, or an annualized 0.25% of average loans outstanding, for the fourth quarter of 2019.
The Company’s allowance for credit losses on loans held for investment as a percentage of period-end loans held for investment, including PPP loans, increased to 1.47% at December 31, 2020, compared to 1.43% at September 30, 2020 and 0.82% at December 31, 2019. The increase from December 31, 2019 is primarily a result of the adoption of the CECL standard and the impact of COVID-19 on the Company’s economic outlook. Coverage of non-performing loans increased to 300.63% at December 31, 2020, compared to 267.46% at September 30, 2020 and 150.21% at December 31, 2019, primarily as a result of lower levels of non-performing loans. The increase from December 31, 2019 is primarily a result of the adoption of the CECL standard and the impact of COVID-19 on the Company’s economic outlook.
While the allowance for credit losses on loans of 1.47% includes the PPP loan balance, the allowance for credit losses does not include a reserve on the PPP loans which are 100% guaranteed by the Small Business Administration. The allowance for credit losses on loans as a percentage of period-end loans held for investment would have been 12 basis points higher had the PPP loan balances been excluded at December 31, 2020.
NON-INTEREST INCOME
Total non-interest income decreased $10.8 million, or 24.2%, to $33.9 million during the fourth quarter of 2020, as compared to $44.7 million during the third quarter of 2020, primarily driven by a decrease in mortgage banking revenues as a result of the Company retaining mortgage loans originated into our held for investment portfolio and lower levels of swap fees. Total non-interest income decreased $1.2 million, or 3.4%, from $35.1 million during the fourth quarter of 2019.
Mortgage banking revenues decreased $6.4 million, or 44.8%, to $7.9 million during the fourth quarter of 2020, as compared to $14.3 million during the third quarter of 2020. Mortgage banking revenues decreased $0.7 million, or 8.1%, during the fourth quarter of 2020 from $8.6 million during the fourth quarter of 2019. These decreases were primarily driven by an increased retention of mortgage loans into our held for investment portfolio and lower levels of mortgage loan production as a result of decreased levels of refinance activity, and normal seasonal declines. Further reducing mortgage banking revenues were mortgage servicing impairments of $0.1 million during the fourth quarter of 2020, $1.4 million during the third quarter of 2020, and $0.4 million during the fourth quarter of 2019. During the fourth quarter of 2020, loans originated for home purchases accounted for approximately 51.5% of loan production, as compared to 48.6% during the third quarter of 2020 and 55.3% during the fourth quarter of 2019.
Other service charges, commissions, and fees decreased $2.9 million, or 58.0%, to $2.1 million during the fourth quarter of 2020, when compared to $5.0 million during the third quarter of 2020, and increased $0.3 million, or 16.7%, during the fourth quarter of 2020 from $1.8 million during the fourth quarter of 2019. The decrease was primarily driven by a decrease in swap fees of $2.3 million during the fourth quarter of 2020 as compared to the third quarter of 2020 and the increase was primarily driven by an increase in swap fees of $0.7 million during the fourth quarter of 2020 as compared to the fourth quarter of 2019.
Other income decreased $2.6 million, or 56.5%, to $2.0 million during the fourth quarter of 2020, as compared to $4.6 million during the third quarter of 2020, primarily due to a $2.4 million decrease in bank-owned life insurance revenues during the fourth quarter of 2020. Other income decreased $0.5 million, or 20.0%, during the fourth quarter of 2020 from $2.5 million during the fourth quarter of 2019.
NON-INTEREST EXPENSE
Non-interest expense decreased $2.1 million, or 2.1%, to $97.4 million during the fourth quarter of 2020, as compared to $99.5 million during the third quarter of 2020, primarily due to lower salaries and wages. Non-interest expense increased $6.8 million, or 7.5%, as compared to $90.6 million during the fourth quarter of 2019, primarily due to higher salaries and wages, employee benefits, and occupancy and equipment related to the IIBK and CMYF acquisitions, and a decrease in other real estate owned income. These expenses were partially offset by a decrease in acquisition related expenses.
There were no material acquisition related expenses for the third or fourth quarter of 2020 whereas the fourth quarter of 2019 included $0.7 million of such expenses. Exclusive of acquisition related expenses, non-interest expense increased $7.5 million, compared to $89.9 million during the fourth quarter of 2019.
Salaries and wages expenses decreased $2.4 million, or 5.2%, to $43.6 million during the fourth quarter of 2020, compared to $46.0 million during the third quarter of 2020. Salaries and wages expenses increased $3.6 million, or 9.0%, from $40.0 million in the fourth quarter of 2019, which reflected higher overall commissions expenses and higher incentive accruals during the fourth quarter of 2020.
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Employee benefit expenses increased $1.2 million, or 10.2%, to $13.0 million during the fourth quarter of 2020, compared to the $11.8 million incurred during the third quarter of 2020, primarily due to higher health insurance expenses. Employee benefit expenses increased $1.8 million, or 16.1%, from $11.2 million during the fourth quarter of 2019, primarily due to higher health insurance expenses and increases in employee benefit plan expenses.
Occupancy and equipment expenses increased $0.3 million, or 2.7%, to $11.6 million during the fourth quarter of 2020, compared to $11.3 million during the third quarter of 2020. Occupancy and equipment expense increased $1.5 million, or 14.9%, during the fourth quarter of 2020 from $10.1 million during the fourth quarter of 2019, primarily due to an increase in depreciation expense related to technology implementations.
BALANCE SHEET
Total assets increased $579.2 million, or 3.4%, to $17,648.7 million as of December 31, 2020, from $17,069.5 million as of September 30, 2020, primarily as a result of higher levels of deposits, resulting in higher levels of cash and cash equivalents and investment securities. Total assets increased $3,004.5 million, or 20.5%, from $14,644.2 million as of December 31, 2019. The increase from the comparable period was primarily as a result of higher levels of deposits, which increased 21.9%, resulting in higher levels of cash and cash equivalents and investment securities.
Loans held for investment decreased $344.7 million, or 3.4%, to $9,807.5 million as of December 31, 2020, from $10,152.2 million as of September 30, 2020, primarily due to forgiveness of PPP loans included in commercial loans and decreases in agricultural loans partially offset by increases in residential and commercial real estate loans. Loans held for investment increased $876.8 million, or 9.8%, as of December 31, 2020, from $8,930.7 million as of December 31, 2019, primarily due to the PPP loans originated during 2020.
Total real estate loans increased $136.2 million, or 2.2%, to $6,399.5 million as of December 31, 2020, from $6,263.3 million as of September 30, 2020, primarily driven by increases in residential loans of $85.1 million, or 6.5%, commercial loans of $52.3 million, or 1.4%, and residential construction loans of $23.0 million, or 10.1%. These increases were offset by decreases in land acquisition and development construction loans of $9.8 million, or 3.6%, commercial construction loans of $7.3 million, or 1.4%, and agricultural loans of $7.1 million, or 3.1%.
Total real estate loans increased $461.3 million, or 7.8%, from December 31, 2019. Growth within the real estate loan portfolio is primarily attributable to increases in commercial loans of $255.4 million, or 7.3%, residential loans of $150.2 million, or 12.1%, commercial construction loans of $92.0 million, or 21.3%, and residential construction loans of $6.8 million, or 2.8%. Growth was primarily offset by decreases in land acquisition and development construction loans of $37.1 million, or 12.3%, and agricultural loans of $6.0 million, or 2.6%.
Total consumer loans decreased $18.9 million, or 1.8%, to $1,025.9 million as of December 31, 2020, from $1,044.8 million as of September 30, 2020. Within the consumer loan portfolio, indirect loans experienced the typical seasonal decline and decreased $7.7 million, or 0.9%, and direct loans decreased $11.5 million, or 7.1%, while credit card loans increased $0.3 million, or 0.4%. Total consumer loans decreased $19.3 million, or 1.8%, from $1,045.2 million, as of December 31, 2019, primarily attributable to deceases in the direct and credit card loan portfolios as compared to December 31, 2019.
Commercial loans decreased $445.7 million, or 17.1%, to $2,153.9 million as of December 31, 2020, from $2,599.6 million as of September 30, 2020, primarily due to the forgiveness of PPP loans during the fourth quarter. Commercial loans increased $480.2 million, or 28.7%, from $1,673.7 million as of December 31, 2019. The increase from 2019 is primarily due to the PPP loans originated during 2020, partially offset by pay-downs within the portfolio.
Agricultural operating loans decreased $27.1 million, or 9.9%, to $247.6 million as of December 31, 2020, from $274.7 million as of September 30, 2020. Agricultural operating loans decreased $31.5 million, or 11.3%, from $279.1 million as of December 31, 2019. The decreases are primarily due to seasonal pay-downs of operating lines.
Mortgage loans held for sale decreased $28.0 million, or 27.5%, to $74.0 million as of December 31, 2020, from $102.0 million as of September 30, 2020. The decline is the result of a decrease in originations of mortgage loans held for sale related to refinance activity, which were significantly elevated in the first half of 2020, as a result of the low interest rate environment, and an increased effort to retain mortgage loans into our held for investment portfolio. Mortgage loans held for sale decreased $26.9 million, or 26.7%, as of December 31, 2020, from $100.9 million as of December 31, 2019, despite a year-over-year increase in originations of mortgage loans, primarily due to an increased effort to retain mortgage loans into our held for investment portfolio during the fourth quarter of 2020 relative to the same period in 2019.
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Other real estate owned decreased $3.2 million, or 56.1%, to $2.5 million as of December 31, 2020, from $5.7 million as of September 30, 2020, with the decrease primarily attributable to the disposition of properties during the normal course of business. Other real estate owned decreased $6.0 million, or 70.6%, as of December 31, 2020, from $8.5 million as of December 31, 2019, as a result of the disposition of properties in the normal course of business, partially offset by the addition of three properties held at December 31, 2020.
Other assets decreased $17.4 million, or 6.8%, to $238.4 million as of December 31, 2020, from $255.8 million as of September 30, 2020, primarily due to a decrease in the value of interest rate swap contracts of $13.0 million in addition to normal fluctuations in other assets. Other assets increased $32.1 million, or 15.6%, as of December 31, 2020, from $206.3 million as of December 31, 2019, primarily due to an increase in the volume and value of interest rate swap contracts of $32.1 million.
Total deposits increased $334.6 million, or 2.4%, to $14,217.0 million as of December 31, 2020, from $13,882.4 million as of September 30, 2020, primarily as a result of an increase in interest bearing demand and savings deposits, offset by a $164.7 million decrease in non-interest bearing business deposits and a decrease in interest-bearing time deposits. Total deposits increased $2,553.5 million, or 21.9%, from $11,663.5 million as of December 31, 2019, primarily related to an increase of $1,207.0 million in non-interest-bearing business deposits and an increase in interest-bearing demand and savings deposits. These increases were partially offset by decreases in interest-bearing time deposits.
Securities sold under repurchase agreements increased $271.1 million, or 33.0%, to $1,091.4 million as of December 31, 2020, from $820.3 million as of September 30, 2020, and increased $393.8 million, or 56.5%, as of December 31, 2020, from $697.6 million as of December 31, 2019. Fluctuations in repurchase agreement balances correspond with fluctuations in the liquidity of the Company’s clients.
The loans held for investment to deposit ratio decreased to 69.0%, as of December 31, 2020, compared to 73.1% and 76.6% as of September 30, 2020 and December 31, 2019, respectively.
The Company is considered to be “well-capitalized” as of December 31, 2020, having exceeded all regulatory capital adequacy requirements. During the fourth quarter of 2020, the Company paid regular common stock dividends of approximately $23.6 million, or $0.38 per share, and repurchased 1,038,142 shares of common stock for approximately $37.9 million at an average price of $36.50 per share pursuant to its previously announced stock repurchase program. Year-over-year, the Company paid regular common stock dividends of $1.40 per share and paid a special common stock dividend of $0.60, for approximately $128.6 million, or $2.00 per share, and repurchased 3,538,142 shares of common stock for approximately $115.4 million at an average price of $32.62 per share pursuant to its previously announced stock repurchase program.
CREDIT QUALITY
As of December 31, 2020, non-performing assets decreased $9.6 million, or 16.0%, to $50.5 million, compared to $60.1 million as of September 30, 2020, primarily due to decreases in non-accrual loans of $5.3 million, or 11.8%, other real estate owned of $3.2 million, or 56.1%, and loans 90 days past due of $1.1 million, or 11.5%.
Criticized loans decreased $37.2 million, or 9.8%, to $342.1 million as of December 31, 2020, from $379.3 million as of September 30, 2020, driven primarily by several upgrades in commercial real estate and loan pay-offs in the agricultural and commercial real estate portfolios, which were partially offset by downgrades of $12.8 million in hospitality. Criticized loans decreased $45.3 million from $387.4 million as of December 31, 2019.
Net loan charge-offs decreased $0.4 million, or 8.7%, to $4.2 million during the fourth quarter of 2020 as compared to $4.6 million during the third quarter of 2020. The net loan charge-offs in the fourth quarter of 2020 were composed of charge-offs of $5.8 million and recoveries of $1.6 million. Net loan charge-offs during the fourth quarter of 2019 were $5.8 million.


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NON-GAAP FINANCIAL MEASURES
In addition to results presented in accordance with accounting principles generally accepted in the United States of America, or GAAP, this press release contains the following non-GAAP financial measures that management uses to evaluate our capital adequacy: (i) tangible common stockholders’ equity; (ii) tangible assets; (iii) tangible book value per common share; (iv) tangible common stockholders’ equity to tangible assets; (v) average tangible common stockholders’ equity; and (vi) return on average tangible common stockholders’ equity. Tangible common stockholders’ equity is calculated as total common stockholders’ equity less goodwill and other intangible assets (excluding mortgage servicing rights). Tangible assets are calculated as total assets less goodwill and other intangible assets (excluding mortgage servicing rights). Tangible book value per common share is calculated as tangible common stockholders’ equity divided by common shares outstanding. Tangible common stockholders’ equity to tangible assets is calculated as tangible common stockholders’ equity divided by tangible assets. Average tangible common stockholders’ equity is calculated as average stockholders’ equity less average goodwill and other intangible assets (excluding mortgage servicing rights). Return on average tangible common stockholders’ equity is calculated as net income available to common shareholders divided by average tangible common stockholders’ equity. These non-GAAP financial measures may not be comparable to similarly titled measures reported by other companies because other companies may not calculate these non-GAAP measures in the same manner. They also should not be considered in isolation or as a substitute for measures prepared in accordance with GAAP.
The Company adjusts the foregoing capital adequacy measures to exclude goodwill and other intangible assets (except mortgage servicing rights), adjusts its non-interest expense to exclude acquisition related expenses, and adjusts its net interest margin ratio to exclude the impact of the recovery of charged-off interest and interest accretion on acquired loans. Management believes these non-GAAP financial measures, which are intended to complement the capital ratios defined by banking regulators and to present on a consistent basis our and our acquired companies’ organic continuing operations without regard to the acquisition costs and adjustments that we consider to be unpredictable and dependent on a significant number of factors that are outside our control, are useful to investors in evaluating the Company’s performance because, as a general matter, they either do not represent an actual cash expense and are inconsistent in amount and frequency depending upon the timing and size of our acquisitions (including the size, complexity and/or volume of past acquisitions, which may drive the magnitude of acquisition related costs, but may not be indicative of the size, complexity and/or volume of future acquisitions or related costs), or they cannot be anticipated or estimated in a particular period (in particular as it relates to unexpected recovery amounts). This impacts the ratios that are important to analysts and allows investors to compare certain aspects of the Company’s capitalization to other companies.
See the Non-GAAP Financial Measures table included herein and the textual discussion for a reconciliation of the above described non-GAAP financial measures to their most directly comparable GAAP financial measures.
6


Cautionary Note Regarding Forward-Looking Statements and Factors that Could Affect Future Results

This press release contains “forward-looking statements” within the meaning of Section 27A of the Securities Act of 1933, as amended, and Rule 175 promulgated thereunder, and Section 21E of the Securities Exchange Act of 1934, as amended, or the Exchange Act, and Rule 3b-6 promulgated thereunder, that involve inherent risks and uncertainties. Any statements about our plans, objectives, expectations, strategies, beliefs, or future performance or events constitute forward-looking statements. Such statements are identified by words or phrases such as “believes,” “expects,” “anticipates,” “plans,” “trends,” “objectives,” “continues” or similar expressions, or future or conditional verbs such as “will,” “would,” “should,” “could,” “might,” “may,” or similar expressions. Forward-looking statements involve known and unknown risks, uncertainties, assumptions, estimates and other important factors that could cause actual results to differ materially from any results, performance or events expressed or implied by such forward-looking statements. The following factors, among others, may cause actual results to differ materially from current expectations in the forward-looking statements, including those set forth in this press release: new, or changes in, governmental regulations; more stringent capital requirements, to the extent they may become applicable to us; heightened regulatory requirements resulting from our total assets exceeding $10 billion; changes in accounting standards; any failure to comply with fair lending and other laws and regulations; lending risks and risks associated with loan sector concentrations; a decline in economic conditions that could reduce demand for our products and services; loan credit losses exceeding estimates; the soundness of other financial institutions; declining oil and gas prices, and declining demand for coal; the availability of financing sources for working capital and other needs; a loss of deposits or a change in product mix that increases the Company’s funding costs; changes in interest rates; changes to United States trade policies, including the imposition of tariffs and retaliatory tariffs; competition from new or existing competitors; variable interest rates tied to the London Interbank Offered Rate (LIBOR) that may no longer be available, or may become unreliable, to us; cyber-security risks, including “denial-of-service attacks,” “hacking,” and “identity theft” that could result in the disclosure of confidential information; privacy, information security and data protection rules and regulations that affect or limit how we collect and use personal information; the potential impairment of our goodwill; our reliance on other companies that provide key components of our business infrastructure; events that may tarnish our reputation; the loss of the services of our management team and directors; our ability to attract and retain qualified employees to operate our business; costs associated with repossessed properties, including environmental remediation; the effectiveness of our systems of internal operating controls; our ability to implement new technology-driven products and services or be successful in marketing these products and services to our clients; our ability to execute on our intended expansion plans; difficulties we may face in combining the operations of acquired entities or assets with our own operations or assessing the effectiveness of businesses in which we make strategic investments or with which we enter into strategic contractual relationships; our status as a “controlled company” under NASDAQ Marketplace Rules; the volatility in the price and trading volume or our Class A common stock; “anti-takeover” provisions and the regulations, which may make it more difficult for a third party to acquire control of us even in circumstances that could be deemed beneficial to stockholders; changes in our dividend policy or our ability to pay dividends; our Class A common stock not being an insured deposit; the holders of the Class B common stock having voting control of the Company and the ability to determine virtually all matters submitted to stockholders, including potential change in control transactions; the potential dilutive effect of future equity issuances; the subordination of our Class A common stock to our existing and future indebtedness; the COVID-19 pandemic and the U.S. government’s response to the pandemic; and the effect of global conditions, earthquakes, tsunamis, floods, fires, and other natural catastrophic events.
These factors are not necessarily all the factors that could cause our actual results, performance or achievements to differ materially from those expressed in or implied by any of our forward-looking statements. Other unknown or unpredictable factors also could harm our results.
All forward-looking statements attributable to us or persons acting on our behalf are expressly qualified in their entirety by the cautionary statements set forth above and included and described in more detail in our periodic reports filed with the SEC under the Exchange Act under the caption “Risk Factors.” Interested parties are urged to read in their entirety such risk factors prior to making any investment decision with respect to the Company. Forward-looking statements speak only as of the date they are made and we do not undertake or assume any obligation to update publicly any of these statements to reflect actual results, new information or future events, changes in assumptions or changes in other factors affecting forward-looking statements, except to the extent required by applicable laws. If we update one or more forward-looking statements, no inference should be drawn that we will make additional updates with respect to those or other forward-looking statements.

7


Fourth Quarter 2020 Conference Call for Investors

First Interstate BancSystem, Inc. will host a conference call to discuss the results for the fourth quarter of 2020 at 11 a.m. Eastern Time (9 a.m. Mountain Time) on Friday, January 29, 2021. The conference call will be accessible by telephone and through the Internet. Participants may join the call by dialing 1-877-507-0356 or by logging on to www.FIBK.com. The call will be recorded and made available for replay after 1 p.m. Eastern Time (11 a.m. Mountain Time) on January 29, 2021 through 9 a.m. Eastern Time (7 a.m. Mountain Time) on February 28, 2021, by dialing 1-877-344-7529 (using conference ID 10150925). The call will also be archived on our website, www.FIBK.com, for one year.

About First Interstate BancSystem, Inc.
    
First Interstate BancSystem, Inc. is a financial and bank holding company focused on community banking. Incorporated in 1971 and headquartered in Billings, Montana, the Company operates banking offices, including detached drive-up facilities, in communities across Idaho, Montana, Oregon, South Dakota, Washington, and Wyoming, in addition to offering online and mobile banking services. Through our bank subsidiary, First Interstate Bank, the Company delivers a comprehensive range of banking products and services to individuals, businesses, municipalities, and others throughout the Company’s market areas.

Contact:    Marcy Mutch    NASDAQ: FIBK
   Chief Financial Officer
First Interstate BancSystem, Inc.
(406) 255-5312
marcy.mutch@fib.com
   www.FIBK.com


(FIBK-ER)
8


FIRST INTERSTATE BANCSYSTEM, INC. AND SUBSIDIARIES
Consolidated Statements of Income
(Unaudited)
Quarter Ended % Change
(In millions, except % and per share data) Dec 31,
2020
Sep 30,
2020
Jun 30,
2020
Mar 31,
2020
Dec 31,
2019
4Q20 vs 3Q20 4Q20 vs 4Q19
Net interest income $ 128.4  $ 123.0  $ 122.5  $ 123.1  $ 128.2  4.4  % 0.2  %
Net interest income on a fully-taxable equivalent ("FTE") basis 128.9  123.5  123.0  123.6  128.7  4.4  0.2 
Provision for credit losses (1)
3.2  5.2  19.5  29.0  3.8  (38.5) (15.8)
Non-interest income:
Payment services revenues 11.1  10.5  9.3  10.2  10.8  5.7  2.8 
Mortgage banking revenues* 7.9  14.3  14.2  10.9  8.6  (44.8) (8.1)
Wealth management revenues 6.3  5.9  5.4  6.2  6.0  6.8  5.0 
Service charges on deposit accounts 4.3  4.3  3.6  5.4  5.4  NM (20.4)
Other service charges, commissions, and fees* 2.1  5.0  2.9  2.1  1.8  (58.0) 16.7 
Total fee-based revenues 31.7  40.0  35.4  34.8  32.6  (20.8) (2.8)
Investment securities gains 0.2  0.1  —  —  —  NM NM
Other income 2.0  4.6  4.3  3.6  2.5  (56.5) (20.0)
Total non-interest income 33.9  44.7  39.7  38.4  35.1  (24.2) (3.4)
Non-interest expense:
Salaries and wages 43.6  46.0  44.2  39.9  40.0  (5.2) 9.0 
Employee benefits 13.0  11.8  10.4  14.2  11.2  10.2  16.1 
Occupancy and equipment 11.6  11.3  11.0  10.1  10.1  2.7  14.9 
Core deposit intangible amortization 2.6  2.7  2.7  2.9  2.9  (3.7) (10.3)
Other expenses* 26.7  27.7  27.2  28.4  27.4  (3.6) (2.6)
Other real estate owned (income) expense (0.1) —  0.1  (0.5) (1.7) NM (94.1)
Acquisition related expenses —  —  —  —  0.7  NM NM
Total non-interest expense 97.4  99.5  95.6  95.0  90.6  (2.1) 7.5 
Income before taxes 61.7  63.0  47.1  37.5  68.9  (2.1) (10.4)
Income taxes 14.8  14.7  10.4  8.2  16.5  0.7  (10.3)
Net income $ 46.9  $ 48.3  $ 36.7  $ 29.3  $ 52.4  (2.9) % (10.5) %
Weighted-average basic shares outstanding 61,906  63,764  64,004  64,790  64,870  (2.9) % (4.6) %
Weighted-average diluted shares outstanding 62,059  63,861  64,082  64,937  65,168  (2.8) (4.8)
Earnings per share - basic $ 0.76  $ 0.76  $ 0.57  $ 0.45  $ 0.81  NM (6.2)
Earnings per share - diluted 0.76  0.76  0.57  0.45  0.80  NM (5.0)
NM - not meaningful
* During the second quarter of 2020, the Company reclassified certain mortgage banking related amounts reported quarterly prior to June 30, 2020 from other service charges, commissions and fees and mortgage servicing rights amortization and impairment, included in other expenses, into mortgage banking revenues to conform prior periods to the June and subsequent 2020 periods presentation. These reclassifications did not change previously reported net income.
(1) Provision for credit losses on loans for the 2020 periods; provision for loan losses for the 2019 periods.
9


FIRST INTERSTATE BANCSYSTEM, INC. AND SUBSIDIARIES
Consolidated Statements of Income
(Unaudited)
Year Ended December 31, % Change
(In millions, except % and per share data) 2020 2019 2020 vs 2019
Net interest income $ 497.0  $ 495.0  0.4 
Net interest income on a fully-taxable equivalent ("FTE") basis 499.0  497.0  0.4 
Provision for credit losses (1)
56.9  13.9  309.4 
Non-interest income:
Payment services revenues 41.1  41.5  (1.0)
Mortgage banking revenues* 47.3  33.2  42.5 
Wealth management revenues 23.8  23.8  NM
Service charges on deposit accounts 17.6  21.1  (16.6)
Other service charges, commissions, and fees* 12.1  7.0  72.9 
Total fee-based revenues 141.9  126.6  12.1 
Investment securities gains 0.3  0.1  NM
Other income 14.5  15.9  (8.8)
Total non-interest income 156.7  142.6  9.9 
Non-interest expense:
Salaries and wages 173.7  155.3  11.8 
Employee benefits 49.4  51.5  (4.1)
Occupancy and equipment 44.0  41.5  6.0 
Core deposit intangible amortization 10.9  11.2  (2.7)
Other expenses* 110.0  111.0  (0.9)
Other real estate owned (income) expense (0.5) (2.2) (77.3)
Acquisition related expenses —  20.3  (100.0)
Total non-interest expense 387.5  388.6  (0.3)
Income before taxes 209.3  235.1  (11.0)
Income taxes 48.1  54.1  (11.1)
Net income $ 161.2  $ 181.0  (10.9)
Weighted-average basic shares outstanding 63,612  63,645  (0.1)
Weighted-average diluted shares outstanding 63,729  63,885  (0.2)
Earnings per share - basic $ 2.53  $ 2.84  (10.9)
Earnings per share - diluted 2.53  2.83  (10.6)
NM - not meaningful
* During 2020, the Company reclassified certain mortgage banking related amounts reported from other service charges, commissions and fees and mortgage servicing rights amortization and impairment, included in other expenses, into mortgage banking revenues to conform prior periods to the 2020 presentation. These reclassifications did not change previously reported net income.
(1) Provision for credit losses on loans for the 2020 period; provision for loan losses for the 2019 period.
10


FIRST INTERSTATE BANCSYSTEM, INC. AND SUBSIDIARIES
Consolidated Balance Sheets
(Unaudited)
% Change
(In millions, except % and per share data) Dec 31,
2020
Sep 30,
2020
Jun 30,
2020
Mar 31,
2020
Dec 31,
2019
4Q20 vs 3Q20 4Q20 vs 4Q19
Assets:
Cash and cash equivalents $ 2,276.8  $ 1,860.6  $ 1,425.0  $ 869.2  $ 1,076.8  22.4  % 111.4  %
Investment securities 4,060.3  3,508.5  3,385.5  3,070.5  3,052.3  15.7  33.0 
Mortgage loans held for sale, at fair value 74.0  102.0  169.9  94.4  100.9  (27.5) (26.7)
Loans held for investment 9,807.5  10,152.2  10,032.5  8,918.0  8,930.7  (3.4) 9.8 
Allowance for credit losses 144.3  145.5  146.1  129.1  73.0  (0.8) 97.7 
Net loans held for investment 9,663.2  10,006.7  9,886.4  8,788.9  8,857.7  (3.4) 9.1 
Goodwill and intangible assets (excluding mortgage servicing rights) 700.8  703.4  706.1  708.8  711.7  (0.4) (1.5)
Company owned life insurance 296.4  294.9  293.1  295.3  293.8  0.5  0.9 
Premises and equipment 312.3  307.8  309.5  308.5  306.0  1.5  2.1 
Other real estate owned 2.5  5.7  6.5  8.2  8.5  (56.1) (70.6)
Mortgage servicing rights 24.0  24.1  24.6  27.8  30.2  (0.4) (20.5)
Other assets 238.4  255.8  264.8  239.8  206.3  (6.8) 15.6 
Total assets $ 17,648.7  $ 17,069.5  $ 16,471.4  $ 14,411.4  $ 14,644.2  3.4  % 20.5  %
Liabilities and stockholders' equity:
Deposits $ 14,217.0  $ 13,882.4  $ 13,340.4  $ 11,565.1  $ 11,663.5  2.4  % 21.9  %
Securities sold under repurchase agreements 1,091.4  820.3  756.1  614.1  697.6  33.0  56.5 
Long-term debt 112.4  112.4  112.3  13.9  13.9  NM NM
Subordinated debentures held by subsidiary trusts 87.0  87.0  86.9  86.9  86.9  NM 0.1 
Other liabilities 181.1  189.8  176.8  175.3  168.4  (4.6) 7.5 
Total liabilities 15,688.9  15,091.9  14,472.5  12,455.3  12,630.3  4.0  24.2 
Stockholders' equity:
Common stock 941.1  976.8  1,021.2  1,018.7  1,049.3  (3.7) (10.3)
Retained earnings 962.1  938.9  912.5  897.6  953.6  2.5  0.9 
Accumulated other comprehensive income 56.6  61.9  65.2  39.8  11.0  (8.6) NM
Total stockholders' equity 1,959.8  1,977.6  1,998.9  1,956.1  2,013.9  (0.9) (2.7)
Total liabilities and stockholders' equity $ 17,648.7  $ 17,069.5  $ 16,471.4  $ 14,411.4  $ 14,644.2  3.4  % 20.5  %
Common shares outstanding at period end 62,096  63,115  64,561  64,553  65,246  (1.6) % (4.8) %
Book value per common share at period end $ 31.56  $ 31.33  $ 30.96  $ 30.30  $ 30.87  0.7  2.3 
Tangible book value per common share at period end** 20.28  20.19  20.02  19.32  19.96  0.4  1.6 
NM - not meaningful
**Non-GAAP financial measure - see Non-GAAP Financial Measures included herein for a reconciliation of book value per common share at period end (GAAP) to tangible book value per common share at period end (non-GAAP).
11


FIRST INTERSTATE BANCSYSTEM, INC. AND SUBSIDIARIES
Loans and Deposits
(Unaudited)
% Change
(In millions, except %) Dec 31,
2020
Sep 30,
2020
Jun 30,
2020
Mar 31,
2020
Dec 31,
2019
4Q20 vs 3Q20 4Q20 vs 4Q19
Loans:
Real Estate:
Commercial real estate* $ 3,743.2  $ 3,690.9  $ 3,593.8  $ 3,543.4  $ 3,487.8  1.4  % 7.3  %
Construction:
Land acquisition and development 265.0  274.8  285.3  290.5  302.1  (3.6) (12.3)
Residential 250.9  227.9  246.2  228.4  244.1  10.1  2.8 
Commercial 523.5  530.8  459.8  459.4  431.5  (1.4) 21.3 
Total construction 1,039.4  1,033.5  991.3  978.3  977.7  0.6  6.3 
Residential real estate* 1,396.3  1,311.2  1,287.6  1,231.0  1,246.1  6.5  12.1 
Agricultural real estate 220.6  227.7  224.2  224.6  226.6  (3.1) (2.6)
Total real estate 6,399.5  6,263.3  6,096.9  5,977.3  5,938.2  2.2  7.8 
Consumer:
Indirect 805.1  812.8  801.9  774.6  784.6  (0.9) 2.6 
Direct 150.6  162.1  169.3  175.0  179.0  (7.1) (15.9)
Credit card 70.2  69.9  70.6  75.9  81.6  0.4  (14.0)
Total consumer 1,025.9  1,044.8  1,041.8  1,025.5  1,045.2  (1.8) (1.8)
Commercial* 2,153.9  2,599.6  2,648.6  1,660.0  1,673.7  (17.1) 28.7 
Agricultural 247.6  274.7  282.8  257.9  279.1  (9.9) (11.3)
Other 1.6  4.2  3.7  3.7  —  (61.9) NM
Deferred loan fees and costs (21.0) (34.4) (41.3) (6.4) (5.5) (39.0) 281.8 
Loans held for investment $ 9,807.5  $ 10,152.2  $ 10,032.5  $ 8,918.0  $ 8,930.7  (3.4) % 9.8  %
NM - not meaningful
*In conjunction with the adoption of ASU 2016-13, the Company reclassified 2019 quarterly amounts in our multi-family loan portfolio from residential real estate to commercial real estate. Additionally, the Company reclassified 2019 quarterly amounts in our commercial 1-4 family and commercial home equity lines of credit from commercial real estate to commercial to conform 2019 amounts to the 2020 presentation. These reclassifications did not change previously reported loans held for investment.
Deposits:
Non-interest bearing $ 4,633.5  $ 4,798.2  $ 4,426.6  $ 3,309.3  $ 3,426.5  (3.4) % 35.2  %
Interest bearing:
Demand 4,118.9  3,814.1  3,665.6  3,293.8  3,195.4  8.0  28.9 
Savings 4,405.9  4,158.0  4,035.6  3,641.4  3,591.6  6.0  22.7 
Time, $0.1 and over 419.3  427.6  486.2  560.1  651.1  (1.9) (35.6)
Time, other 639.4  684.5  726.4  760.5  798.9  (6.6) (20.0)
Total interest bearing 9,583.5  9,084.2  8,913.8  8,255.8  8,237.0  5.5  16.3 
Total deposits $ 14,217.0  $ 13,882.4  $ 13,340.4  $ 11,565.1  $ 11,663.5  2.4  % 21.9  %
Total core deposits (1)
$ 13,797.7  $ 13,454.8  $ 12,854.2  $ 11,005.0  $ 11,009.5  2.5  % 25.3  %
(1) Core deposits are defined as total deposits less time deposits, $0.1 and over, and brokered deposits.
12


FIRST INTERSTATE BANCSYSTEM, INC. AND SUBSIDIARIES
Credit Quality
(Unaudited)
% Change
(In millions, except %) Dec 31,
2020
Sep 30,
2020
Jun 30,
2020
Mar 31,
2020
Dec 31,
2019
4Q20 vs 3Q20 4Q20 vs 4Q19
Allowance for Credit Losses: (1)
Allowance for credit losses $ 144.3  $ 145.5  $ 146.1  $ 129.1  $ 73.0  (0.8) % 97.7  %
As a percentage of loans held for investment 1.47  % 1.43  % 1.46  % 1.45  % 0.82  %
As a percentage of non-accrual loans 365.32  324.78  292.79  252.64  170.16 
Net charge-offs during quarter $ 4.2  $ 4.6  $ 2.3  $ 3.1  $ 5.8  (8.7) % (27.6) %
Annualized as a percentage of average loans 0.16  % 0.18  % 0.09  % 0.14  % 0.25  %
Non-Performing Assets:
Non-accrual loans $ 39.5  $ 44.8  $ 49.9  $ 51.1  $ 42.9  (11.8) % (7.9) %
Accruing loans past due 90 days or more 8.5  9.6  7.7  12.0  5.7  (11.5) 49.1 
Total non-performing loans 48.0  54.4  57.6  63.1  48.6  (11.8) (1.2)
Other real estate owned 2.5  5.7  6.5  8.2  8.5  (56.1) (70.6)
Total non-performing assets $ 50.5  $ 60.1  $ 64.1  $ 71.3  $ 57.1  (16.0) % (11.6) %
Non-performing assets as a percentage of:
Loans held for investment and OREO 0.51  % 0.59  % 0.64  % 0.80  % 0.64  %
Total assets 0.29  0.35  0.39  0.49  0.39 
Non-accrual loans to loans held for investment 0.40  0.44  0.50  0.57  0.48 
Accruing Loans 30-89 Days Past Due $ 54.2  $ 36.1  $ 56.8  $ 53.3  $ 37.7  50.1  % 43.8  %
Accruing troubled debt restructurings (TDRs) 3.2  3.2  3.4  5.0  5.5  —  (41.8)
Criticized Loans:
Special Mention $ 150.3  $ 157.1  $ 122.7  $ 150.2  $ 157.5  (4.3) % (4.6) %
Substandard 187.0  209.8  228.2  243.6  224.0  (10.9) (16.5)
Doubtful 4.8  12.4  15.2  6.2  5.9  (61.3) (18.6)
Total $ 342.1  $ 379.3  $ 366.1  $ 400.0  $ 387.4  (9.8) % (11.7) %
(1) Allowance for credit losses on loans (ACLL) for the 2020 periods; Allowance for loan losses (ALLL) for the 2019 periods.
13


FIRST INTERSTATE BANCSYSTEM, INC. AND SUBSIDIARIES
Selected Ratios - Annualized
(Unaudited)
Dec 31,
2020
Sep 30,
2020
Jun 30,
2020
Mar 31,
2020
Dec 31,
2019
Annualized Financial Ratios (GAAP)
Return on average assets 1.07  % 1.15  % 0.93  % 0.81  % 1.41  %
Return on average common stockholders' equity 9.48  9.57  7.49  5.91  10.39 
Yield on average earning assets 3.39  3.44  3.71  4.18  4.30 
Cost of average interest-bearing liabilities 0.20  0.24  0.27  0.41  0.52 
Interest rate spread 3.19  3.20  3.44  3.77  3.78 
Net interest margin ratio 3.25  3.29  3.52  3.90  3.94 
Efficiency ratio 58.41  57.72  57.27  57.03  53.70 
Loans held for investment to deposit ratio 68.98  73.13  75.20  77.11  76.57 
Annualized Financial Ratios - Operating** (Non-GAAP)
Tangible book value per common share $ 20.28  $ 20.19  $ 20.02  $ 19.32  $ 19.96 
Tangible common stockholders' equity to tangible assets 7.43  % 7.79  % 8.20  % 9.10  % 9.35  %
Return on average tangible common stockholders' equity 14.74  14.74  11.68  9.18  16.15 
Consolidated Capital Ratios:
Total risk-based capital to total risk-weighted assets 14.19  % * 14.45  % 14.76  % 13.67  % 14.10  %
Tier 1 risk-based capital to total risk-weighted assets 12.33  * 12.56  12.85  12.80  13.41 
Tier 1 common capital to total risk-weighted assets 11.57  * 11.79  12.07  12.01  12.62 
Leverage Ratio 8.16  * 8.62  9.22  9.90  10.13 
*Preliminary estimate - may be subject to change. Additionally, the 2020 regulatory capital ratios presented above include the assumption of the transitional method relative to recent legislation by Congress in relief of the COVID‑19 pandemic on the economy and financial institutions in the United States. The referenced relief allows a total five-year phase-in of the CECL impact on capital and relief over the next two years for the impact on the allowance for credit losses resulting from COVID‑19.
**Non-GAAP financial measures - see Non-GAAP Financial Measures included herein for a reconciliation of book value per common share to tangible book value per common share, return on average common stockholders’ equity (GAAP) to return on average tangible common stockholders’ equity, and tangible common stockholders’ equity to tangible assets (non-GAAP).
14


FIRST INTERSTATE BANCSYSTEM, INC. AND SUBSIDIARIES
Selected Ratios
(Unaudited)
Dec 31,
2020
Dec 31,
2019
Financial Ratios (GAAP)
Return on average assets 1.00  % 1.28  %
Return on average common stockholders' equity 8.12  9.53 
Yield on average earning assets 3.65  4.47 
Cost of average interest-bearing liabilities 0.27  0.67 
Interest rate spread 3.38  3.80 
Net interest margin ratio 3.47  3.99 
Efficiency ratio 57.61  59.19 
Financial Ratios - Operating** (Non-GAAP)
Return on average tangible common stockholders' equity 12.60  15.02 
**Non-GAAP financial measures - see Non-GAAP Financial Measures included herein for a reconciliation of return on average common stockholders’ equity (GAAP) to return on average tangible common stockholders’ equity (non-GAAP).
15


FIRST INTERSTATE BANCSYSTEM, INC. AND SUBSIDIARIES
Average Balance Sheets
(Unaudited)
Three Months Ended
December 31, 2020 September 30, 2020 December 31, 2019
(In millions, except %) Average
Balance
Interest Average
Rate
Average
Balance
Interest Average
Rate
Average
Balance
Interest Average
Rate
Interest earning assets:
Loans (1) (2)
$ 10,127.9  $ 117.3  4.61  % $ 10,219.2  $ 112.6  4.38  % $ 9,041.1  $ 118.9  5.22  %
Investment securities (2)
3,692.2  16.3  1.76  3,435.1  16.3  1.89  2,896.3  17.1  2.34 
Interest bearing deposits in banks 1,944.4  0.6  0.12  1,295.1  0.5  0.15  1,035.3  4.5  1.72 
Federal funds sold 0.1  —  —  0.1  —  —  0.3  —  — 
Total interest earning assets $ 15,764.6  $ 134.2  3.39  % $ 14,949.5  $ 129.4  3.44  % $ 12,973.0  $ 140.5  4.30  %
Non-earning assets 1,708.9  1,739.9  1,748.9 
Total assets $ 17,473.5  $ 16,689.4  $ 14,721.9 
Interest-bearing liabilities:
Demand deposits $ 3,984.8  $ 0.5  0.05  % $ 3,708.8  $ 0.4  0.04  % $ 3,155.2  $ 1.3  0.16  %
Savings deposits 4,307.0  0.4  0.04  4,081.4  0.3  0.03  3,602.1  2.5  0.28 
Time deposits 1,088.0  2.0  0.73  1,167.3  2.7  0.92  1,492.7  5.9  1.57 
Repurchase agreements 944.2  0.2  0.08  781.2  0.1  0.05  669.1  0.8  0.47 
Long-term debt 112.4  1.6  5.66  112.3  1.7  6.02  13.9  0.3  8.56 
Subordinated debentures held by subsidiary trusts 87.0  0.6  2.74  86.9  0.7  3.20  86.9  1.0  4.57 
Total interest-bearing liabilities $ 10,523.4  $ 5.3  0.20  % $ 9,937.9  $ 5.9  0.24  % $ 9,019.9  $ 11.8  0.52  %
Non-interest-bearing deposits 4,760.4  4,517.3  3,506.7 
Other non-interest-bearing liabilities 221.7  226.0  193.6 
Stockholders’ equity 1,968.0  2,008.2  2,001.7 
Total liabilities and stockholders’ equity $ 17,473.5  $ 16,689.4  $ 14,721.9 
Net FTE interest income $ 128.9  $ 123.5  $ 128.7 
Less FTE adjustments (2)
(0.5) (0.5) (0.5)
Net interest income from consolidated statements of income $ 128.4  $ 123.0  $ 128.2 
Interest rate spread 3.19  % 3.20  % 3.78  %
Net FTE interest margin (3)
3.25  % 3.29  % 3.94  %
Cost of funds, including non-interest-bearing demand deposits (4)
0.14  % 0.16  % 0.37  %
(1) Average loan balances include mortgage loans held for sale and non-accrual loans. Interest income on loans includes amortization of deferred loan fees net of deferred loan costs, which is not material.
(2) Interest income and average rates for tax exempt loans and securities are presented on an FTE basis.
(3) Net FTE interest margin during the period equals (i) the difference between annualized interest income on interest earning assets and the annualized interest expense on interest bearing liabilities, divided by (ii) average interest earning assets for the period.
(4) Calculated by dividing total annualized interest on interest bearing liabilities by the sum of total interest-bearing liabilities plus non-interest-bearing deposits.



16


FIRST INTERSTATE BANCSYSTEM, INC. AND SUBSIDIARIES
Average Balance Sheets
(Unaudited)
Twelve Months Ended
December 31, 2020 December 31, 2019
(In millions, except %) Average
Balance
Interest Average
Rate
Average
Balance
Interest Average
Rate
Interest earning assets:
Loans (1) (2)
$ 9,825.0  $ 454.7  4.63  % $ 8,879.1  $ 472.2  5.32  %
Investment securities (2)
3,303.0  66.8  2.02  2,723.8  65.0  2.39 
Interest bearing deposits in banks 1,255.2  4.1  0.33  843.6  18.8  2.23 
Federal funds sold 0.1  —  —  0.8  —  — 
Total interest earning assets $ 14,383.3  $ 525.6  3.65  % $ 12,447.3  $ 556.0  4.47  %
Non-earning assets 1,726.0  1,720.3 
Total assets $ 16,109.3  $ 14,167.6 
Interest bearing liabilities:
Demand deposits $ 3,631.1  $ 2.2  0.06  % $ 3,033.5  $ 8.6  0.28  %
Savings deposits 3,968.7  2.4  0.06  3,463.4  18.4  0.53 
Time deposits 1,225.2  13.5  1.10  1,478.9  22.3  1.51 
Repurchase agreements 765.8  0.9  0.12  677.3  3.9  0.58 
Long-term debt 76.1  4.6  6.04  15.2  1.3  8.55 
Subordinated debentures held by subsidiary trusts 86.9  3.0  3.45  86.9  4.5  5.18 
Total interest-bearing liabilities $ 9,753.8  $ 26.6  0.27  % $ 8,755.2  $ 59.0  0.67  %
Non-interest-bearing deposits 4,158.8  3,327.5 
Other non-interest-bearing liabilities 211.5  185.9 
Stockholders’ equity 1,985.2  1,899.0 
Total liabilities and stockholders’ equity $ 16,109.3  $ 14,167.6 
Net FTE interest income $ 499.0  $ 497.0 
Less FTE adjustments (2)
(2.0) (2.0)
Net interest income from consolidated statements of income $ 497.0  $ 495.0 
Interest rate spread 3.38  % 3.80  %
Net FTE interest margin (3)
3.47  % 3.99  %
Cost of funds, including non-interest-bearing demand deposits (4)
0.19  % 0.49  %
(1) Average loan balances include non-accrual loans. Interest income on loans includes amortization of deferred loan fees net of deferred loan costs, which is not material.
(2) Interest income and average rates for tax exempt loans and securities are presented on an FTE basis.
(3) Net FTE interest margin during the period equals the difference between annualized interest income on interest earning assets and the annualized interest expense on interest bearing liabilities, divided by average interest earning assets for the period.
(4) Calculated by dividing total annualized interest on interest bearing liabilities by the sum of total interest-bearing liabilities plus non-interest bearing deposits.








17


FIRST INTERSTATE BANCSYSTEM, INC. AND SUBSIDIARIES
Non-GAAP Financial Measures
(Unaudited)
As Of or For the Quarter Ended
(In millions, except % and per share data) Dec 31, 2020 Sep 30, 2020 Jun 30, 2020 Mar 31, 2020 Dec 31, 2019
Total common stockholders' equity (GAAP) (A) $ 1,959.8  $ 1,977.6  $ 1,998.9  $ 1,956.1  $ 2,013.9 
Less goodwill and other intangible assets (excluding mortgage servicing rights) 700.8  703.4  706.1  708.8  711.7 
Tangible common stockholders' equity (Non-GAAP) (B) $ 1,259.0  $ 1,274.2  $ 1,292.8  $ 1,247.3  $ 1,302.2 
Total assets (GAAP) $ 17,648.7  $ 17,069.5  $ 16,471.4  $ 14,411.4  $ 14,644.2 
Less goodwill and other intangible assets (excluding mortgage servicing rights) 700.8  703.4  706.1  708.8  711.7 
Tangible assets (Non-GAAP) (C) $ 16,947.9  $ 16,366.1  $ 15,765.3  $ 13,702.6  $ 13,932.5 
Average Balances:
Total common stockholders' equity (GAAP) (D) $ 1,968.0  $ 2,008.2  $ 1,970.8  $ 1,993.6  $ 2,001.7 
Less goodwill and other intangible assets (excluding mortgage servicing rights) 702.0  704.8  707.4  710.2  714.1 
Average tangible common stockholders' equity (Non-GAAP) (E) $ 1,266.0  $ 1,303.4  $ 1,263.4  $ 1,283.4  $ 1,287.6 
Total quarterly average assets (F) $ 17,473.5  $ 16,689.4  $ 15,793.4  $ 14,460.5  $ 14,721.9 
Annualized net income available to common shareholders (G) 186.6  192.2  147.6  117.8  207.9 
Common shares outstanding (H) 62,096  63,115  64,561  64,553  65,246 
Return on average assets (GAAP) (G)/(F) 1.07  % 1.15  % 0.93  % 0.81  % 1.41  %
Return on average common stockholders' equity (GAAP) (G)/(D) 9.48  9.57  7.49  5.91  10.39 
Average common stockholders' equity to average assets (GAAP) (D)/(F) 11.26  12.03  12.48  13.79  13.60 
Book value per common share (GAAP) (A)/(H) $ 31.56  $ 31.33  $ 30.96  $ 30.30  $ 30.87 
Tangible book value per common share (Non-GAAP) (B)/(H) 20.28  20.19  20.02  19.32  19.96 
Tangible common stockholders' equity to tangible assets (Non-GAAP) (B)/(C) 7.43  % 7.79  % 8.20  % 9.10  % 9.35  %
Return on average tangible common stockholders' equity (Non-GAAP) (G)/(E) 14.74  14.74  11.68  9.18  16.15 
18


FIRST INTERSTATE BANCSYSTEM, INC. AND SUBSIDIARIES
Non-GAAP Financial Measures
(Unaudited)
For the Year Ended
(In millions, except % and per share data) Dec 31, 2020 Dec 31, 2019
Net income (A) $ 161.2  $ 181.0 
Average assets (B) 16,109.3  14,167.6 
Return on average assets (GAAP) (A)/(B) 1.00  % 1.28  %
Average stockholders’ equity (GAAP) (C) $ 1,985.2  $ 1,899.0 
Less: average goodwill and other intangible assets (excluding mortgage servicing rights) 706.1  694.1 
Average tangible common stockholders’ equity (Non-GAAP) (D) $ 1,279.1  $ 1,204.9 
Return on average common equity (GAAP) (A)/(C) 8.12  % 9.53  %
Return on average tangible common stockholders’ equity (Non-GAAP) (A)/(D) 12.60  % 15.02  %




















First Interstate BancSystem, Inc.
P.O. Box 30918     Billings, Montana 59116     (406) 255-5390
www.FIBK.com
19
Investor Presentation January 2021 Exhibit 99.2


 
Safe Harbor Page 2 This presentation contains “forward-looking statements” within the meaning of Section 27A of the Securities Act of 1933, as amended, and Rule 175 promulgated thereunder, and Section 21E of the Securities Exchange Act of 1934, as amended, and Rule 3b-6 promulgated thereunder, that involve inherent risks and uncertainties. Any statements about our plans, objectives, expectations, strategies, beliefs, or future performance or events constitute forward-looking statements. Such statements are identified by words or phrases such as “believes,” “expects,” “anticipates,” “plans,” “trends,” “objectives,” “continues” or similar expressions, or future or conditional verbs such as “will,” “would,” “should,” “could,” “might,” “may” or similar expressions. Forward-looking statements involve known and unknown risks, uncertainties, assumptions, estimates and other important factors that could cause actual results to differ materially from any results, performance or events expressed or implied by such forward-looking statements. The following factors, among others, may cause actual results to differ materially from current expectations in the forward-looking statements, including those set forth in this presentation: new, or changes in, governmental regulations; more stringent capital requirements, to the extent they may become applicable to us; heightened regulatory requirements resulting from our total assets exceeding $10 billion; changes in accounting standards; any failure to comply with fair lending and other laws and regulations; lending risks and risks associated with loan sector concentrations; a decline in economic conditions that could reduce demand for our products and services; loan credit losses exceeding estimates; the soundness of other financial institutions; declining oil and gas prices, and declining demand for coal; the availability of financing sources for working capital and other needs; a loss of deposits or a change in product mix that increases the Company’s funding costs; changes in interest rates; changes to United States trade policies, including the imposition of tariffs and retaliatory tariffs; competition from new or existing competitors; variable interest rates tied to the London Interbank Offered Rate (LIBOR) that may no longer be available, or may become unreliable, to us; cyber-security risks, including “denial-of-service attacks,” “hacking,” and “identity theft” that could result in the disclosure of confidential information; privacy, information security and data protection rules and regulations that affect or limit how we collect and use personal information; the potential impairment of our goodwill; our reliance on other companies that provide key components of our business infrastructure; events that may tarnish our reputation; the loss of the services of our management team and directors; our ability to attract and retain qualified employees to operate our business; costs associated with repossessed properties, including environmental remediation; the effectiveness of our systems of internal operating controls; our ability to implement new technology-driven products and services or be successful in marketing these products and services to our clients; our ability to execute on our intended expansion plans; difficulties we may face in combining the operations of acquired entities or assets with our own operations or assessing the effectiveness of businesses in which we make strategic investments or with which we enter into strategic contractual relationships; our status as a “controlled company” under NASDAQ Marketplace Rules; the volatility in the price and trading volume or our Class A common stock; “anti-takeover” provisions and the regulations, which may make it more difficult for a third party to acquire control of us even in circumstances that could be deemed beneficial to stockholders; changes in our dividend policy or our ability to pay dividends; our Class A common stock not being an insured deposit; the holders of the Class B common stock having voting control of the Company and the ability to determine virtually all matters submitted to stockholders, including potential change in control transactions; the potential dilutive effect of future equity issuances; the subordination of our Class A common stock to our existing and future indebtedness; the COVID-19 pandemic and the U.S. government’s response to the pandemic; and the effect of global conditions, earthquakes, tsunamis, floods, fires, and other natural catastrophic events. These factors are not necessarily all of the factors that could cause our actual results, performance or achievements to differ materially from those expressed in or implied by any of our forward-looking statements. Other unknown or unpredictable factors also could harm our results. All forward-looking statements attributable to us or persons acting on our behalf are expressly qualified in their entirety by the cautionary statements set forth above and included in our periodic reports filed with the Securities and Exchange Commission under the caption “Risk Factors.” Interested parties are urged to read in their entirety such risk factors prior to making any investment decision with respect to the Company. Forward-looking statements speak only as of the date they are made and we do not undertake or assume any obligation to update publicly any of these statements to reflect actual results, new information or future events, changes in assumptions or changes in other factors affecting forward-looking statements, except to the extent required by applicable laws. If we update one or more forward-looking statements, no inference should be drawn that we will make additional updates with respect to those or other forward-looking statements.


 
FIBK Overview Overview Headquarters Billings, MT Kroll Rating (Subordinated Notes) BBB Total Assets $17.7 Billion Trust Assets Under Management $5.2 Billion Total Deposits $14.2 Billion Description • Headquartered in Billings, MT and focused on regional community banking in Idaho, Montana, Oregon, South Dakota, Washington, and Wyoming: • Over 150 banking offices • 238 ATMs, plus 24,000 MoneyPass ATMs • Offering a full suite of products: • Commercial Banking • Credit Card Products • Indirect Lending • Mortgage • Guided by four strategic pillars: • Our People, Our Priority • Relentless Client Focus • Future-Ready, Today • Financial Vitality Asset Mix Liability Mix Q4 2020 Revenue Breakdown • Retail and Small Business • SBA Lending • Treasury Management • Wealth Management Net Loans 54.8% Investment Securities 23.0% Cash 12.9% Goodwill & Intangible Assets 4.0% Company Owned Life Insurance 1.7% Premises & Equipment 1.8% Other Assets 1.3% Mortgage Loans HFS 0.4% Mortgage Servicing Rights 0.1% OREO 0.0% Deposits 90.6% REPOs 7.0% Long-Term Debt 0.7% TruPS 0.6% Other 1.1% Net Interest Income 79.1% Non-Interest Income 20.9% As of December 31, 2020Page 3


 
Investment Highlights • Pandemic response: Our people, our clients and our communities • Experienced leadership team • Strong financial performance • Diversified client base tempers economic volatility • Strong core deposit funding • Conservative credit strategy, limiting exposure to large losses • Stable sources of non-interest income Page 4


 
Pandemic Response – Our People • Continue with regular monitoring of state and local outbreaks and health-related orders • Continue to pay employees impacted by COVID-19 related issues (personal or family illness, etc.) • Continue with modified cleaning schedules, provided masks, hand sanitizers and gloves, delivered training and awareness on illness prevention • Continue personal and business travel restrictions, and on-site vendor and visitor restrictions • Physical space modifications with social distancing markers, de-densified common areas, marked traffic flow modifications, plexiglass screens for where employee-to-employer or employee-to-client contact is highest • Implemented temperature screening at sites with higher populations, or when required by local health authorities • Continuation of From-Home environment • Continue to prioritize contactless banking options for our clients • Monitor and adjust operational hours and access as needed to reduce risk to our workforce, clients, and communities Page 5


 
Pandemic Response – Our Clients Page 6 Original PPP by State Original PPP Loan Balances Montana, 30% Oregon, 24%Wyoming, 17% Idaho, 11% Washington, 8% South Dakota, 8% Other, 2% Number of Loans Total Dollars Average Loan Size Under $150K 10,166 $ 370 million $ 36,000 $150K - $350K 972 $ 219 million $ 225,000 $350K - $2MM 559 $ 421 million $ 752,000 $2MM+ 48 $ 154 million $ 3.2 million PPP Forgiveness Status as of 12/31/20 Number of Loans Forgiveness Requested Number of Loans Forgiveness Funded Under $150K 4,459 $ 201 million 3,484 $ 134 million $150 - $350K 544 $ 142 million 392 $ 89 million $350K - $2MM 369 $ 310 million 276 $ 204 million $2MM+ 20 $ 68 million - -


 
Pandemic Response – Our Clients Page 7 Type # Approved $ Approved (in millions) Commercial 40 $ 17.5 Consumer 255 6.2 Total 295 $ 23.7 Commercial Booked Deferrals by Industry Type # Approved $ Approved (in millions) Mortgage 29 $ 9.0 Forbearances As of 12/31/2020 Deferrals Full-Service Restaurants, 34% Hotels (except Casino Hotels) and Motels, 13%Wineries, 11% RV (Recreational Vehicle) Parks and Campgrounds, 11% Other, 31%


 
Pandemic Response – Our Communities Page 8 • In 2020, an additional $1 million pledged to support communities in addition to annual commitment of 2% of net income before taxes • Neighbors Feeding Neighbors program focused on addressing food insecurity; funds double matched by Foundation • Double match of money and volunteer hours to charities that provide food to communities in need • Double match of money from our Foundation for employee contributions to the First Relief Employee Assistance Program • Providing online financial literacy modules


 
Name Title Age Industry Experience Years at FIBK Kevin P. Riley President and Chief Executive Officer 61 30+ Years 7 Years Marcy D. Mutch Chief Financial Officer 61 30+ Years 14 Years Russell A. Lee Chief Banking Officer 64 40+ Years 5 Years Jodi Delahunt Hubbell Chief Operating Officer 55 30+ Years 3 Years Phillip G. Gaglia Chief Risk Officer 57 30+ Years 31 Years Renee L. Newman Chief Strategy Officer 51 25+ Years 3 Years Kade G. Peterson Chief Information Officer 55 30+ Years 2 Years Rachel B. Turitto Chief Human Resources Officer 36 15+ Years 3 Years Kirk D. Jensen General Counsel 50 20+ Years 4 Years David C. Redmon Chief of Staff 56 2 Years 2 Years Experienced Leadership Team Page 9 As of December 31, 2020


 
Page 10 Current Financial Performance


 
Pre-Provision Net Revenue (PPNR) Page 11 1 Net Income Before Tax + Provision Expense Decrease in PPNR in Q4 2020 is mainly due to a decrease in non-interest income of $10.8 million, partially offset by an $5.4 million increase in net interest income and $2.1 million decrease of non-interest expense. The decrease in non-interest income is primarily related to the decline in mortgage banking revenue as a result of retaining loans on our balance sheet rather than selling them. $72.7 $66.5 $66.6 $68.2 $64.9 1.50% 1.60% 1.70% 1.80% 1.90% 2.00% 2.10% 2.20% 2.30% 2.40% 2.50% $62.0 $64.0 $66.0 $68.0 $70.0 $72.0 $74.0 Q4 2019 Q1 2020 Q2 2020 Q3 2020 Q4 2020 $ in M il li on s PPNR PPNR/Avg Assets (annualized)1


 
Page 12 Diversified Footprint


 
The First Interstate Franchise 1968 Mr. Homer Scott establishes First Interstate Bank with the purchase of the Bank of Commerce in Sheridan, Wyoming 2015 Absarokee Bancorporation, Inc. 2017 Bank of the Cascades $3.2 Billion 46 branches2014 Mountain West Financial Corp. 2016 Flathead Bank of Bigfork $225 million 7 Branches 2018 Inland Northwest Bank, filling in footprint in the PNW $827 million 20 Branches April 2019 Idaho Independent Bank (IIBK) $725 million 11 Branches Community 1st Bank (CMYF) $130 million 3 Branches FIBK IIBK CMYF Page 13 1916 Predecessor to First Interstate Bank is Established


 
Attractive Markets Page 14 Deposit Market Share and Branch Locations by State Idaho % of Market Deposits 4.7% 17.7% 2.3% 0.1% 0.3% 14.9% Deposit Market Share Rank 8th 2nd 11th 12th 31st 2nd Number of Branches 23 49 33 16 18 16 Total Population 1,832,352 1,081,656 4,281,747 894,793 7,765,146 578,413 Projected Population Growth (’21-’26) 6.5% 4.0% 4.9% 4.0% 6.3% 0.7% State / Metric Montana Oregon South Dakota Washington Wyoming Note: Market share/rank sourced from FDIC as of June 30, 2020. Population by state, projected population growth rate, and total deposits data is sourced from S&P Global Market Intelligence as of June 30, 2020


 
Attractive Markets: Historically Stable Employment Page 15 Best 5 States 1 Nebraska 3.1% 2 Vermont 3.1% 3 South Dakota 3.5% 4 Iowa 3.6% 5 New Hampshire 3.8% Worst 5 States 50 New Jersey 10.2% 49 Nevada 10.1% 48 Hawaii 10.1% 47 New York 8.4% 46 Louisiana 8.3% 0.0% to 4.0% 4.0% to 6.0% 6.0% to 8.0% Source: Bureau of Labour Statistics 8.0% to 10.0% Data as of: 11/30/2020 10.0% or more (U.S. Avg = 6.7%) SOUTH DAKOTA 4.9% (RANKED 13TH) (RANKED 19TH) 5.1% 3.5% (RANKED 3RD) MONTANA WYOMING WASHINGTON OREGON 6% 6% 4.8% IDAHO (RANKED 12TH) (RANKED 26TH) (RANKED 27TH)      


 
Page 16 Solid Funding Base


 
Strong Core Deposit Base Page 17 As of December 31, 2020 Overview Total Deposits $14.2 Billion Total Core Deposits* $13.8 Billion Cost of Deposits (Q4 2020) 8 basis points Demand Non- Interest Bearing 33% Demand Interest Bearing 29% Savings 31% Time Other 4% CDs > $100k 3% *Core Deposits defined as total deposits excluding time deposits >$100,000 and Brokered Deposits Sources: SNL and company reports


 
Source of Deposits Allocation of $14.2B of Deposits by State Page 18 *The market share percentages are per the FDIC, not including Credit Union Deposits within each community. As of December 31, 2020 Montana 38% South Dakota 8% Wyoming 21% Idaho 11% Washington 5% Oregon 17% LOCATION MARKET SHARE* JUNE 2020 LOCATION MARKET SHARE* JUNE 2020 Laramie, WY 44% Jackson, WY 14% Riverton, WY 45% Nampa, ID 13% Sheridan, WY 37% Kalispell, MT 17% Missoula, MT 29% Coeur d’Alene, ID 8% Casper, WY 28% Cheyenne, WY 12% Great Falls, MT 30% Medford, OR 8% Gillette, WY 25% Rapid City, SD 8% Billings, MT 25% Boise, ID 3% Redmond, OR 26% Spokane, WA 5% Spearfish, SD 23% Lynnwood, WA 1% Bend, OR 22% Eugene, OR 1% Helena, MT 22% Salem, OR 1% Bozeman, MT 15% Portland, OR .4%


 
Balance of Consumer and Business Deposits 57% 57% 56% 56% 54% 54% 50% 49% 52% 43% 43% 44% 44% 46% 46% 50% 51% 48% 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% 2015 2016 2017 2018 2019 Q1 2020 Q2 2020 Q3 2020 Q4 2020 Total Consumer Deposits Total Business Deposits Page 19 Pe rc en t (% )


 
Page 20 Credit Portfolio


 
Diversified Loan Portfolio by Industry Loan Mix Commercial Commercial Real Estate & Construction Agriculture RE 2% Commercial RE 38% Residential RE 14% Construction RE 11% Consumer 10% Agriculture 3% Commercial 22% $9.8 Billion in Loans Real Estate and Rental and Leasing 13% Construction 11% Health Care and Social Assistance 11% Retail Trade 8% Professional, Scientific, and Technical Services 7% Accommodation and Food Services 7% Manufacturing 6% Transportation and Warehousing 6% Finance and Insurance 4% Other Services (except Public Administration) 3% All Other 24% Owner Occupied 35% Non-Owner Occupied 35% Residential Real Estate - Multi Family 8% Land Acquisition and Development 6% Residential Construction 5% Commercial Construction 11% Page 21 As of December 31, 2020 • Average (total) loan size = $69k outstanding / $85k committed exposure • Average C&I loan size = $126k outstanding / $229k committed exposure • Average CRE loan size = $760k outstanding / $870k committed exposure


 
Loan Portfolio by State Idaho 9% Montana 25% Oregon 17% South Dakota 5% Washington 10% Wyoming 12% Other* 22% Page 22 * “Other” is an aggregation of central lines of business that includes residential mortgages, credit cards, and indirect consumer loans. As of December 31, 2020


 
Trends in Unfunded Commitments Page 23 53.0% 65.7% 37.4% 30.0% 35.0% 40.0% 45.0% 50.0% 55.0% 60.0% 65.0% 70.0% Jan '20 Feb '20 Mar '20 Apr '20 May '20 Jun '20 Jul '20 Aug '20 Sep '20 Oct '20 Nov '20 Dec '20 Unfunded as a % of Commitment Revolving and Non-Revolving Lines of Credit Revolving Non-Revolving As of December 31, 2020


 
Trends in Unfunded Revolving Commitments Page 24 65.7% 34.3% 0.0% 10.0% 20.0% 30.0% 40.0% 50.0% 60.0% 70.0% Jun 2019 Sep 2019 Dec 2019 Mar 2020 Jun 2020 Sep 2020 Dec 2020 Percentage Used / Unused (Revolving) Total Unfunded Commitments % Total Funded Commitments % 0 200 400 600 800 1,000 1,200 1,400 M il li on s Commitments by Loan Portfolio (Revolving) Total Funded Total Unfunded As of December 31, 2020


 
Improving Asset Quality Non-Performing Loans to Total Loans Non-Performing Assets to Total Assets Non-Performing Assets to Total Loans + OREO 0.55% 0.54% 0.51% 0.51% 0.39% 0.49% 0.39% 0.35% 0.29% 0.00% 0.10% 0.20% 0.30% 0.40% 0.50% 0.60% Q4 2018 Q1 2019 Q2 2019 Q3 2019 Q4 2019 Q1 2020 Q2 2020 Q3 2020 Q4 2020 0.69% 0.62% 0.51% 0.64% 0.55% 0.71% 0.57% 0.54% 0.49% 0.00% 0.40% 0.80% Q4 2018 Q1 2019 Q2 2019 Q3 2019 Q4 2019 Q1 2020 Q2 2020 Q3 2020 Q4 2020 0.85% 0.86% 0.82% 0.83% 0.64% 0.80% 0.64% 0.59% 0.51% 0.00% 0.50% 1.00% 1.50% 2.00% Q4 2018 Q1 2019 Q2 2019 Q3 2019 Q4 2019 Q1 2020 Q2 2020 Q3 2020 Q4 2020 25 The improvement in asset quality ratios between Q1 and Q2 is largely attributable to the addition of PPP Loans. The improvement between Q3 and Q4 is primarily attributable to the resolution and workout strategies on two non-accrual credits.


 
Criticized and Classified Loans 4.74% 4.76% 4.60% 4.63% 4.34% 4.48% 3.65% 3.74% 3.49% 0.00% 0.50% 1.00% 1.50% 2.00% 2.50% 3.00% 3.50% 4.00% 4.50% 5.00% Q4 2018 Q1 2019 Q2 2019 Q3 2019 Q4 2019 Q1 2020 Q2 2020 Q3 2020 Q4 2020 2.63% 2.56% 2.57% 2.69% 2.58% 2.80% 2.43% 2.19% 1.96% 0.00% 0.50% 1.00% 1.50% 2.00% 2.50% 3.00% Q4 2018 Q1 2019 Q2 2019 Q3 2019 Q4 2019 Q1 2020 Q2 2020 Q3 2020 Q4 2020 Criticized Loans to Total Loans Classified Loans to Total Loans 26 The decline in Criticized and Classified ratios as between Q1 and Q2 is partially attributed to the addition of PPP loans to total loans. The decrease in Criticized Loans between Q3 and Q4 is primarily attributable to several upgrades and loan pay-offs partially offset by the downgrade of four credits in the hospitality industries to Special Mention. The decline in Classified Loans between Q3 and Q4 is largely attributable to the pay down activity on several Substandard credits in addition to the upgrade of three credits in the agriculture and manufacturing industries.


 
Top 10 Relationships Page 27 Borrower Industry Outstandings Unfunded Commitments Other Activities Related to Real Estate $ 49,488,896 23,684,303 $ 73,173,199 Lessors of Residential Buildings and Dwellings $ 26,116,622 41,196,208 $ 67,312,830 Engineering Services $ 27,105,184 32,900,000 $ 60,005,184 Lessors of Nonresidential Buildings (except Miniwarehouses) $ 50,046,437 88,843 $ 50,135,280 Recreational Vehicle Dealers $ 4,932,211 44,000,000 $ 48,932,211 Commercial and Institutional Building Construction $ 43,442,827 4,815,583 $ 48,258,410 Lessors of Nonresidential Buildings (except Miniwarehouses) $ 42,276,206 3,425,197 $ 45,701,403 Hotels (except Casino Hotels) and Motels $ 29,686,214 13,419,070 $ 43,105,284 Lessors of Nonresidential Buildings (except Miniwarehouses) $ 31,953,389 9,782,443 $ 41,735,832 Lessors of Residential Buildings and Dwellings $ 33,292,428 7,838,872 $ 41,131,299 $35 million in-house lending limit well below the legal lending limit of $285 million reduces risk within the loan portfolio. As of December 31, 2020


 
Hospitality: Portfolio Exposure • 7.7% of total loan portfolio • $57.9 million in unfunded commitments • Hotel (except Casino Hotels) and Motel accounting for 60.6% of total portfolio Month NAICS Code Description Net Principal Balance Unfunded Commitment Dec 2020 721110 Hotels (except Casino Hotels) and Motels $ 457,908,014 $ 45,768,143 $ 503,676,157 722511 Full-Service Restaurants 113,842,492 5,774,147 119,616,639 722513 Limited-Service Restaurants 57,799,762 2,838,317 60,638,079 721120 Casino Hotels 41,599,100 1,640,275 43,239,375 721211 RV (Recreational Vehicle) Parks and Campgrounds 24,938,199 446,176 25,384,375 All Other Hospitality 59,578,227 1,436,107 61,014,334 Hospitality Total $ 755,665,795 $ 57,903,164 $ 813,568,959 Page 28 As of December 31, 2020


 
Hospitality: Industry Performance • $105.3 million in criticized loan categories • $3.4 million in impaired loan categories • $12.8 million or 1.7% in allowance for credit losses • $20 thousand in specific reserves Description Criticized % Criticized Classified % Classified Impaired % Impaired Hotels (except Casino Hotels) and Motels $ 71,169,000 15.5% $ 40,916,612 8.9% $ 2,954,274 0.6% Full-Service Restaurants 12,385,856 10.9% 3,076,298 2.7% 0 0.0% Limited-Service Restaurants 2,266,570 3.9% 1,115,507 1.9% 469,444 0.8% Casino Hotels 11,609,007 27.9% 0 0.0% 0 0.0% RV (Recreational Vehicle) Parks and Campgrounds 4,110,114 16.5% 526,984 2.1% 0 0.0% All Other Hospitality 3,766,394 6.3% 2,617,209 4.4% 0 0.0% Hospitality Total $ 105,306,940 13.9% $ 48,252,610 6.4% $ 3,423,718 0.5% Page 29 As of December 31, 2020


 
Hotel Exposure by State Page 30 $14.5 $115.4 $130.7 $23.9 $78.6 $94.2 $0.7 $14.5 $126.1 $149.2 $28.2 $82.1 $102.8 $0.7 $0 $20 $40 $60 $80 $100 $120 $140 $160 ID MT OR SD WA WY Other Outstanding Commitment • No hotel loan with a balance greater than $22 Million. • Approximately $84 Million of Hotel Portfolio Commitments are currently in the construction phase. • Based on approval observations, more than 80% of Portfolio are flagged hotels. All new hotel loans since 2016 are top tier flagged hotels for their market. • Average LTV for loans greater than $1 million is 45%. As of December 31, 2020 $ in M il li on s


 
Hotel Outstandings by Risk Distribution Page 31 Pass 58% Pass-Watch 26% Special Mention 7% Substandard 9% As of December 31, 2020


 
Indirect Auto: Lending Consumer Indirect Production Indirect Loan Portfolio Page 32 As of December 31, 2020 • Total Portfolio Yield: 5.9% • Est. Average Life of RV: 44 months • Est. Average Life of Auto: 32 months $ in M il li on s New Auto 25% Other 9% RV 23% Used Auto 43% 6.0% 5.7% 5.4% 5.0% 5.2% 5.4% 5.6% 5.8% 6.0% 6.2% 6.4% 6.6% 6.8% 7.0% $0 $50 $100 $150 $200 $250 $300 $350 $400 4Q2019 3Q2020 4Q2020 New Quarterly Production Production Yield


 
Indirect Auto: Delinquency Originations from a credit quality perspective • Approximately 59% of our originations are above a 750 FICO score • Approximately 88% of our originations are above a 700 FICO score • Not participating in the subprime space; less than 1% of the portfolio has a score below 620 December 31, 2020 Delinquency at 1.07% Page 33 30-Day+ Delinquency 0.00% 0.20% 0.40% 0.60% 0.80% 1.00% 1.20% 1.40% 1.60% Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2017 2018 2019 2020


 
Agriculture: Portfolio Exposure • 4.8% of total loan portfolio • $163.9 million in unfunded commitments • Beef Cattle Ranching/Farming accounting for 41.1% of total portfolio Month NAICS Code Description Net Principal Balance Unfunded Commitment Dec 2020 112111 Beef Cattle Ranching and Farming $ 192,597,609 $ 72,980,674 $ 265,578,283 111140 Wheat Farming 72,906,660 38,240,280 111,146,940 111331 Apple Orchards 21,248,212 3,712,836 24,961,048 112112 Cattle Feedlots 13,321,337 10,557,246 23,878,584 111211 Potato Farming 23,575,921 2,285,722 25,861,643 All Other Agriculture 144,550,149 36,112,374 180,662,524 Agriculture Total $ 468,199,888 $ 163,889,133 $ 632,089,020 Page 34 As of December 31, 2020


 
Agriculture: Industry Performance • $65.5 million in criticized loan categories • $9.3 million in impaired loan categories • $3.4 million or 0.7% allowance for credit losses • $99 thousand in specific reserves Description Criticized % Criticized Classified % Classified Impaired % Impaired Beef Cattle Ranching and Farming $ 21,001,308 10.9% $ 13,460,102 7.0% $ 1,104,997 0.6% Wheat Farming 4,746,752 6.5% 3,123,190 4.3% 208,126 0.3% Apple Orchards 13,263,887 62.4% 2,002,355 9.4% 2,002,355 9.4% Cattle Feedlots 4,137,884 31.1% $0 0.0% $0 0.0% Potato Farming 375,137 1.6% 375,137 1.6% 375,137 1.6% All Other Agriculture * 21,944,728 15.2% 15,661,679 10.8% 5,573,874 3.9% Total Agriculture $ 65,469,695 14.0% $ 34,622,464 7.4% $ 9,264,489 2.0% Page 35 As of December 31, 2020


 
Oil and Gas: Industry Exposure • $57.3 million in direct exposure (0.6% of total loan portfolio) • $18.6 million in unfunded commitments • $11.3 million in criticized loans category Month NAICS Code Description Net Principal Balance Unfunded Commitment Dec 2020 211120 Crude Petroleum Extraction $ 23,864,949 $ 7,701,843 $ 31,566,792 213112 Support Activities for Oil and Gas Operations 22,903,456 6,197,891 29,101,347 213111 Drilling Oil and Gas Wells 5,979,758 1,625,951 7,605,708 221210 Natural Gas Distribution $3,842,522 3,034,151 6,876,674 211130 Natural Gas Extraction 753,003 45,795 798,797 Oil & Gas Total $ 57,343,688 $ 18,605,630 $ 75,949,318 As of December 31, 2020Page 36


 
Oil and Gas: Industry Performance • $3.7 million in impaired loan categories • $3.3 million or 5.8% allowance for credit losses • $1.7 million in specific reserves Description Criticized % Criticized Classified % Classified Impaired % Impaired Crude Petroleum Extraction $ 8,328,930 34.9% $ 6,258,689 26.2% $ 2,451,109 10.3% Support Activities for Oil and Gas Operations 2,180,380 9.5% 838,175 3.7% 510,048 2.2% Drilling Oil and Gas Wells 65,235 1.1% 65,235 1.1% 0 0.0% Natural Gas Distribution 0 0.0% 0 0.0% 0 0.0% Natural Gas Extraction 746,632 99.2% 746,632 99.2% 746,632 99.2% Oil & Gas Total $ 11,321,178 19.7% $ 7,908,732 13.8% $ 3,707,790 6.5% Page 37 As of December 31, 2020


 
Mall and Retail Trade: Portfolio Exposure • $54.1 million direct exposure to Malls (0.6% of total loan portfolio) • None in criticized loan categories • $33.1 million direct exposure to Retail Trade (0.3% of total loan portfolio) • $4.3 million in criticized loan categories Month NAICS Code Description Net Principal Balance Unfunded Commitment Dec 2020 Shopping Malls $ 54,098,820 $ 5,885,461 $ 59,984,280 451110 Sporting Goods Stores 17,920,796 4,595,133 22,515,929 448310 Jewelry Stores 5,590,507 1,414,394 7,004,901 452990 All Other General Merchandise Stores 1,691,801 106,862 1,798,664 448190 Other Clothing Stores 1,325,837 632,989 1,958,827 448140 Family Clothing Stores 1,088,170 237,045 1,325,215 448120 Women's Clothing Stores 1,363,921 73,197 1,437,118 All Other Retail Trade 4,150,974 683,060 4,834,034 Mall and Retail Trade Total $ 87,230,826 $ 13,628,142 $ 100,858,968 Page 38 As of December 31, 2020


 
Mall and Retail Trade: Portfolio Performance • $4.3 million in criticized loan categories • $0.2 million in impaired loan categories • $1.0 million or 1.1% allowance for credit losses • $85 thousand in specific reserves Description Criticized % Criticized Classified % Classified Impaired % Impaired Shopping Malls $ 0 0.0% $ 0 0.0% $ 0 0.0% Sporting Goods Stores 26,309 0.1% 26,309 0.1% 0 0.0% Jewelry Stores 2,484,086 44.4% 2,484,086 44.4% 0 0.0% All Other General Merchandise Stores 617,569 36.5% 617,569 36.5% 179,570 10.6% Other Clothing Stores 381,921 28.8% 381,921 28.8% 18,490 1.4% Family Clothing Stores 0 0.0% 0 0.0% 0 0.0% Women's Clothing Stores 0 0.0% 0 0.0% 0 0.0% All Other Retail Trade 829,566 20.0% 0 0.0% 0 0.0% Mall and Retail Trade Total $ 4,339,451 5.0% $ 3,509,885 4.0% $ 198,060 0.2% Page 39 As of December 31, 2020


 
Page 40 Current Expected Credit Loss (CECL)


 
CECL Results Page 41 • Reviewed and affirmed December 2020 Baseline forecast • 47.3M COVID-19 cases in total (21.7M currently) • 4x more cases than September forecast • Infections peak in December 2020. • Effective vaccine by February 2021 • Infections abate by September 2021 • Unemployment remains elevated until 2023 • Stimulus of $908 Billion passed in Q1. Final stimulus. • Unemployment Rate stable but elevated – range bound at 6-7% until 2022 • Decline in GDP • Slight decline in HPI or CREPI • 10YR Treasury not above 1% until Sept 2021 • Consumer Confidence • NFIB Small Business Confidence • Portfolio Characteristics • Industry Exposure – Energy • Segment Exposure – CRE (including Hotel), Residential Construction, Consumer, Acquired • Historical Data Enhancements • Loan Characteristics, Prepayment Speeds As of December 31, 2020 Moody’s Baseline Forecast Primary Economic Considerations Qualitative Factor Inputs 0.00% 0.50% 1.00% 1.50% 2.00% 2.50% 3.00% $- $20 $40 $60 $80 $100 $120 $140 $160 M il li on s Allowance to Total Loans ACL ($) ACL to Total Loans (%)


 
ACL Allocation by Segment Page 42 ($000) 3Q20 4Q20 Segments Outstanding Balances* ACL ACL Rate Outstanding Balances* ACL ACL Rate Agricultural $ 282,132 $ 943 0.33% $ 246,190 $ 736 0.30% Agricultural Credit Cards 1,605 12 0.76% 1,593 6 0.36% Agriculture RE 224,369 2,870 1.28% 221,630 2,645 1.19% CRE Non-Owner Occupied 1,599,714 25,262 1.58% 1,694,596 25,661 1.51% CRE Owner Occupied 1,698,650 19,122 1.13% 1,705,077 18,326 1.07% Commercial & Floor Plans 1,098,523 36,674 3.34% 1,055,343 34,229 3.24% Commercial Construction 510,614 7,097 1.39% 523,836 7,326 1.40% Commercial Credit Cards 69,690 290 0.42% 66,579 275 0.41% Commercial Purpose 1-4 Family 283,466 4,988 1.76% 272,842 4,709 1.73% Consumer Direct & AdvanceLine 163,396 4,848 2.97% 148,939 4,600 3.09% Consumer Home Equity & HELOC 407,712 1,510 0.37% 383,856 1,356 0.35% Consumer Indirect 813,236 16,890 2.08% 805,150 16,682 2.07% Consumer Credit Cards 70,838 2,178 3.07% 70,421 2,619 3.72% Land Acquisition and Development 280,016 1,235 0.44% 265,310 1,218 0.46% Residential Construction 235,451 1,551 0.66% 250,910 1,559 0.62% CRE Multi-Family 358,292 10,824 3.02% 363,689 10,986 3.02% Residential 1-4 Family 885,520 9,246 1.04% 1,014,149 11,399 1.12% $ 8,983,225 $ 145,539 1.62% $ 9,090,111 $ 144,333 1.59% *Variance between modeled loan outstanding balances and total loans are primarily Paycheck Protection Program Loans, New Market Tax Credits and overdrafts. As of December 31, 2020 Allowance for Credit Loss as a % of Total Loans, including PPP loans, is 1.47%


 
Page 43 Investment Portfolio


 
Investment Portfolio Quarterly New Purchases: Average Yield Quarterly New Purchases: Duration A/L Page 44 Portfolio Composition ($3.5 Billion) 1.4%1.5%1.5% 2.0% 0.0% 0.5% 1.0% 1.5% 2.0% 2.5% Q4-20Q3-20Q2-20Q1-20 8.70 8.05 5.06 6.65 0.00 1.00 2.00 3.00 4.00 5.00 6.00 7.00 8.00 9.00 10.00 Q4-20Q3-20Q2-20Q1-20 As of December 31, 2020 0% 0% 1% 1% 1% 1% 7% 8% 11% 12% 24% 34% 0% 5% 10% 15% 20% 25% 30% 35% 40% Other CD CMO Floating Private Label SBA Floating MBS Corporate Treasury / Agency CMBS Municipal CMO Fixed MBS


 
Interest Rate Sensitivity Page 45 NET INTEREST INCOME CHANGE ($) NET INTEREST INCOME CHANGE (%) *Base Case assumes static balance sheet as of 12/31/20. Parallel rate shifts. $555 $526 $498 $467 $436 $406 $390 $300 $350 $400 $450 $500 $550 $600 +400 bps+300 bps+200 bps+100 bpsBase-100 bps-200 bps M il li on s NET INTEREST INCOME VOLATILITY - 12 MONTH HORIZON Net Interest Income (NII) ALCO Limits 27.1% 20.6% 14.0% 7.0% 0.0% -7.0% -10.6% -35% -30% -25% -20% -15% -10% -5% 0% 5% 10% 15% 20% 25% 30% 35% +400 bps +300 bps +200 bps +100 bps Base -100 bps -200 bps NET INTEREST INCOME (NII) - Shocks LIABILITY SENSITIVE ASSET SENSITIVE


 
Page 46 Non-Interest Income


 
Non-Interest Income Payment Services 33% Mortgage Banking 23% Wealth Management 19% Deposit Service Charges 13% Other Service Charges and Fees 6% Other Income 6% 20.9% of TOTAL REVENUE Page 47 Quarter Ended December 31, 2020


 
Mortgage Production QUARTERLY PRODUCTION VOLUME $- $100 $200 $300 $400 $500 $600 $700 Q1 2017 Q2 2017 Q3 2017 Q4 2017 Q1 2018 Q2 2018 Q3 2018 Q4 2018 Q1 2019 Q2 2019 Q3 2019 Q4 2019 Q1 2020 Q2 2020 Q3 2020 Q4 2020 Purchase Refinance Page 48 As of December 31, 2020 M il li on s


 
Wealth Management $2,832 $593 $976 $809 Total: $5,210 Million Discretionary Non-Discretionary Brokerage Retirement Plan $3,600 $3,800 $4,000 $4,200 $4,400 $4,600 $4,800 $5,000 $5,200 $5,400 Q1 2020 Q2 2020 Q3 2020 Q4 2020 Assets Under Administration As of December 31, 2020 (in millions) Page 49 $ in m il li on s


 
Page 50 Growth Strategies and Capital Allocation


 
Maximizing Shareholder Value Management’s priority is to deploy capital through: Page 51 Return on Capital Organic Growth M&A Share Repurchases Special Dividend Dividends


 
Page 52 295.78 % -50 0 50 100 150 200 250 300 350 Mar-10 Mar-11 Mar-12 Mar-13 Mar-14 Mar-15 Mar-16 Mar-17 Mar-18 Mar-19 Mar-20 Pe rc en t (% ) FIBK: TOTAL RETURN (03/23/2010 THROUGH 12/31/2020) We are Delivering Results Since the IPO in March 2010, FIBK has delivered a 296% total return to shareholders Source: Bloomberg


 
Appendix Page 53


 
Non-GAAP Reconciliation Page 54 (Dollars in millions) Pre-Provision Net Revenue (PPNR) Q4 2019 Q1 2020 Q2 2020 Q3 2020 Q4 2020 Net interest income (GAAP) $128.2 $123.1 $122.5 $123.0 $128.4 Plus: Noninterest income (GAAP) $35.1 $38.4 $39.7 $44.7 $33.9 Total revenues (GAAP) $163.3 $161.5 $162.2 $167.7 $162.3 Less: Noninterest expense (GAAP) $90.6 $95.0 $95.6 $99.5 $97.4 PPNR (Non-GAAP) $72.7 $66.5 $66.6 $68.2 $64.9 Less: Provision expense (GAAP) $3.8 $29.0 $19.5 $5.2 $3.2 Net income before tax (GAAP) $68.9 $37.5 $47.1 $63.0 $61.7


 
Business Cycle Status RECOVERY MID EXPANSION LATE EXPANSION AT RISKIN RECESSION Idaho Economic Drivers Strengths & Weaknesses Business Costs Vitality U.S.=100% Best=1, Worst=51 Summary of Key Indicators: Idaho State GDP Overview Economic Growth U.S.=100% Highest=1, Lowest=51 0% 5% 10% 15% Agriculture Mining Utilities Construction Manufacturing Wholesale Retail Transportation Information Finance/Insurance Real Estate Professional Educational Health Arts Accommodation Other services Government ID GDP: Industry % Contribution ID US HIGH-TECHAGRICULTURE Strengths • Prominent drivers in high tech, agriculture. • Above-average population growth and net migration. • Strong housing market. • High economic vitality. Weaknesses • Abundance of low-wage service jobs. • Highly cyclical tech industries contribute to above-average volatility. • Below-average labor productivity. Relative 109% Rank 10 Index 103% Rank 17 Gross State Product ID 2014-2019 CAGR 3.38% 2020-2025 CAGR 4.59% Page 55 2014 2015 2016 2017 2018 2019 INDICATORS 2020 2021 2022 2023 2024 2025 61.4 63.1 65.5 67.8 70.5 72.5 Gross state product (C12$ bil) 69.2 71.3 76.5 80.9 84 86.6 654 672 694 715 739 760 Total employment (ths) 728 724 754 784 800 808 2.5 2.7 3.4 3 3.3 2.8 % change -4.2 -0.5 4.2 3.9 2 1 4.8 4.1 3.8 3.2 2.9 2.9 Unemployment rate (%) 6.5 7.1 5.7 4.2 3.9 4 6 6.5 4 5.7 6.4 6.1 Personal income growth (%) 6.6 -0.9 7.4 7.5 6.4 5.6 1,631 1,651 1,682 1,718 1,751 1,787 Population (ths) 1,824 1,850 1,872 1,896 1,922 1,946 9.8 9.8 21.9 26.5 24.1 27.5 Net migration (ths) 27.2 15.7 12.9 14.4 15.9 15.7 6,293 7,784 9,739 11,019 12,176 12,978 Single-family permits (#) 11,447 13,067 17,345 18,279 18,072 17,760 2,504 2,170 2,426 3,164 3,648 4,738 Multifamily permits (#) 3,402 3,194 3,857 4,162 4,129 3,919 289 306 329 360 405 450 FHFA house price (1980Q1=100) 479 456 443 447 451 463 4 3.5 3.2 3.3 3.2 3.7 Mortgage delinquency rate (%) 5.1 7.3 6.5 5.3 5 4.8 54.9 60.3 61.9 67.5 65.1 63.1 New vehicle registrations (ths) 54.6 65.7 75.1 75.6 74.6 75.1 4,612 3,841 3,738 3,691 3,630 3,580 Personal bankruptcies (#) 4,760 6,650 5,309 5,213 5,859 6,195 Sources: Moody’s U.S. Précis® StateUpdated as of August 2020 Unemployment 0 2 4 6 8 10 12 14 16 O -1 9 D -1 9 F- 20 A -2 0 J- 20 A -2 0 O -2 0 ID U.S.


 
Montana ENERGY & RESOURCES Strengths • Year-round tourist attractions, including popular national parks. • Relatively low cost of doing business. • Population growth is stronger for longer; housing and consumer industries benefit. Weaknesses • Far from major markets. • Below-average incomes. • Agriculture and tourism vulnerable to harsh weather. • Unfavorable age structure. Relative 88% Rank 33 U.S.=100% Best=1, Worst=51 Gross State Product MT 2013-2018 CAGR 1.79% 2019-2024 CAGR 3.68% AGRICULTURE TOURIST DESTINATION 0% 5% 10% 15% 20% Agriculture Mining Utilities Construction Manufacturing Wholesale Retail Transportation Information Finance/Insurance Real Estate Professional Educational Health Arts Accommodation Other services Government MT GDP: Industry % Contribution MT US Index 102% Rank 21 U.S.=100% Highest=1, Lowest=51 Page 56 2014 2015 2016 2017 2018 2019 Indicators 2020 2021 2022 2023 2024 2025 43.2 44.9 44.3 45 46.2 47.2 Gross state product (C12$ bil) 45 46.1 48.9 51.3 52.7 53.9 453 462 468 473 478 484 Total employment (ths) 462 462 475 487 493 495 1 1.9 1.3 1 1.2 1.2 % change -4.6 0.1 2.8 2.5 1.2 0.5 4.7 4.2 4.1 4 3.6 3.5 Unemployment rate (%) 6.5 6.4 5.7 4.7 4.5 4.4 5.1 4.7 1.5 4.9 5.8 3.9 Personal income growth (%) 6.1 -2 5.6 5.8 5 4.3 1,022 1,030 1,041 1,052 1,061 1,069 Population (ths) 1,078 1,085 1,090 1,095 1,100 1,104 5.2 5.7 7.8 9.6 6.3 6.3 Net migration (ths) 7.6 4.3 3 3.3 3.4 3.3 2,044 2,992 3,113 3,161 3,213 3,014 Single-family permits (#) 2,848 3,500 4,367 4,144 3,906 3,815 1,840 1,834 1,668 1,771 1,886 1,762 Multifamily permits (#) 1,460 933 1,203 1,043 955 876 374 391 407 428 454 480 FHFA house price (1980Q1=100) 498 476 467 473 477 489 3.2 2.7 2.5 2.5 2.5 2.5 Mortgage delinquency rate (%) 2.9 3.9 3.5 3.1 2.9 2.8 62.3 65 68.8 60 58 52.8 New vehicle registrations (ths) 50.5 60 66.6 65 63.5 63.8 1,480 1,265 1,280 1,258 1,260 1,262 Personal bankruptcies (#) 1,547 2,023 1,668 1,631 1,781 1,848 Sources: Moody’s U.S. Précis® StateUpdated as of August 2020 Economic Drivers Strengths & Weaknesses Business Costs Vitality Summary of Key Indicators: Montana State GDP Overview Economic Growth Business Cycle Status RECOVERY MID EXPANSION LATE EXPANSION AT RISKIN RECESSION Unemployment 0 2 4 6 8 10 12 14 16 O -1 9 D -1 9 F- 20 A -2 0 J- 20 A -2 0 O -2 0 MT U.S.


 
Strengths • Diverse economy with export focus. • Low energy costs courtesy of a network of hydroelectric plants. • Leader in semiconductor production, for which • global demand is strong. Weaknesses • Strict environmental regulations that raise business costs. • Above-average employment volatility. • Eroding housing affordability. Oregon U.S.=100% Best=1, Worst=51 U.S.=100% Highest=1, Lowest=51 0% 10% 20% 30% Agriculture Mining Utilities Construction Manufacturing Wholesale Retail Transportation Information Finance/Insurance Real Estate Professional Educational Health Arts Accommodation Other services Government OR GDP: Industry % Contribution OR US TOURIST DESTINATION MANUFACT.HIGH-TECH Gross State Product OR 2013-2018 CAGR 4.10% 2019-2024 CAGR 4.24% Relative 123% Rank 3 Index 101% Rank 22 Page 57 2014 2015 2016 2017 2018 2019 Indicators 2020 2021 2022 2023 2024 2025 181.9 192 200.9 208.6 216.6 222.4 Gross state product (C12$ bil) 210.6 214.7 230.7 243.9 252.2 259.2 1,722 1,781 1,834 1,876 1,913 1,942 Total employment (ths) 1,813 1,816 1,894 1,970 2,009 2,028 2.8 3.4 3 2.3 2 1.5 % change -6.6 0.2 4.3 4 2 1 6.8 5.6 4.8 4.1 4.1 3.8 Unemployment rate (%) 9 9.8 7.9 5.9 5.5 5.4 7.3 7.8 4.8 5.4 6.2 5.1 Personal income growth (%) 5.2 -1.6 6.9 7.2 6 5.2 3,963 4,016 4,090 4,144 4,182 4,218 Population (ths) 4,261 4,294 4,323 4,352 4,382 4,412 29 42 63.7 45.7 31 29.1 Net migration (ths) 34.9 23.6 20.3 20.4 22.1 23.2 8,573 10,255 11,006 10,604 11,217 11,586 Single-family permits (#) 10,618 14,726 20,117 20,955 20,431 19,987 8,072 7,255 8,580 9,449 8,915 10,451 Multifamily permits (#) 7,673 6,551 8,202 8,521 8,392 7,908 398 434 482 525 561 589 FHFA house price (1980Q1=100) 608 595 603 637 676 725 3.8 3.1 2.6 2.5 2.2 2.2 Mortgage delinquency rate (%) 2.7 3.8 3.4 2.8 2.6 2.5 156.3 169.8 185.5 189.1 179.1 172.5 New vehicle registrations (ths) 146.3 169.2 189.3 186 180.9 180.8 12,059 10,600 8,906 8,991 8,612 8,776 Personal bankruptcies (#) 11,953 16,739 13,143 12,781 14,290 15,000 Sources: Moody’s U.S. Précis® StateUpdated as of August 2020 Economic Drivers Strengths & Weaknesses Business Costs Vitality Summary of Key Indicators: Oregon State GDP Overview Economic Growth Business Cycle Status RECOVERY MID EXPANSION LATE EXPANSION AT RISKIN RECESSION Unemployment 0 2 4 6 8 10 12 14 16 18 O -1 9 D -1 9 F- 20 A -2 0 J- 20 A -2 0 O -2 0 OR U.S.


 
South Dakota U.S.=100% Best=1, Worst=51 U.S.=100% Highest=1, Lowest=51 0% 5% 10% 15% Agriculture Mining Utilities Construction Manufacturing Wholesale Retail Transportation Information Finance/Insurance Real Estate Professional Educational Health Arts Accommodation Other services Government SD GDP: Industry % Contribution SD US MEDICAL CENTER TOURIST DESTINATION FINANCIAL CENTER Index 86% Rank 50 Relative 87% Rank 38 Strengths • Favorable business climate, low costs. • No state tax on personal income. • High housing affordability despite prices that are well above their prior peak. • Strong labor force growth. Weaknesses • Heavy reliance on cyclical tourism. • High dependence on agriculture and exposure to volatile commodity prices. Gross State Product SD 2013-2018 CAGR 1.03% 2019-2024 CAGR 2.67% Page 58 2014 2015 2016 2017 2018 2019 Indicators 2020 2021 2022 2023 2024 2025 44.2 45.4 45.7 45.6 46.5 46.8 Gross state product (C12$ bil) 44.7 45.6 48.6 51 52.6 53.8 424 429 432 434 438 441 Total employment (ths) 417 418 431 442 447 450 1.5 1 0.9 0.4 0.9 0.6 % change -5.4 0.3 3 2.6 1.2 0.5 3.4 3.1 3 3.2 3.1 3.3 Unemployment rate (%) 5.2 5 4.1 3.1 2.9 2.9 4.6 4.2 1 3.1 6.5 3.6 Personal income growth (%) 2.3 -2.5 5.8 6.3 4.9 4 849 854 863 873 879 885 Population (ths) 892 898 904 909 914 919 1.5 0.4 4.5 5.8 1.2 1.4 Net migration (ths) 2.5 1.9 1.4 1.2 1.2 1.4 2,798 2,868 3,195 3,386 2,985 3,127 Single-family permits (#) 3,293 4,640 5,544 5,296 5,141 5,077 1,924 1,614 2,491 2,021 1,978 1,288 Multifamily permits (#) 2,285 3,420 3,480 2,912 2,802 2,724 316 330 345 364 384 403 FHFA house price (1980Q1=100) 413 399 408 430 441 450 3 2.8 2.6 2.6 2.5 2.6 Mortgage delinquency rate (%) 3.1 3.9 3.4 2.8 2.7 2.7 39.4 39.6 37.6 40.6 38.4 37.8 New vehicle registrations (ths) 30.4 39.7 45.3 43.7 42.2 42.3 1,150 1,051 1,055 1,003 1,028 901 Personal bankruptcies (#) 1,148 1,603 1,252 1,224 1,371 1,444 Sources: Moody’s U.S. Précis® StateUpdated as of August 2020 Economic Drivers Strengths & Weaknesses Business Costs Vitality Summary of Key Indicators: South Dakota State GDP Overview Economic Growth Business Cycle Status RECOVERY MID EXPANSION LATE EXPANSION AT RISKIN RECESSION Unemployment 0 2 4 6 8 10 12 14 16 O -1 9 D -1 9 F- 20 A -2 0 J- 20 A -2 0 O -2 0 SD U.S.


 
Washington U.S.=100% Best=1, Worst=51 U.S.=100% Highest=1, Lowest=51 0% 5% 10% 15% Agriculture Mining Utilities Construction Manufacturing Wholesale Retail Transportation Information Finance/Insurance Real Estate Professional Educational Health Arts Accommodation Other services Government WA GDP: Industry % Contribution WA US DEFENSEMANUFACT.HIGH-TECH Gross State Product WA 2013-2018 CAGR 4.52% 2019-2024 CAGR 4.18% Strengths • Fast-growing software and IT industries. • Top-ranked public university that drives exceptionally high educational attainment. • Low costs relative to Silicon Valley and deep pool of engineering talent. Weakness • Shrinking aerospace industry hampers growth in mid-wage jobs. • Large agriculture industry is exposed to commodity prices. Relative 123% Rank 2 Index 95% Rank 37 Page 59 2014 2015 2016 2017 2018 2019 Indicators 2020 2021 2022 2023 2024 2025 425.8 444.3 459.8 483.8 511.7 531.2 Gross state product (C12$ bil) 501.2 511.5 551.7 582.1 600.6 615.1 3,058 3,145 3,242 3,321 3,401 3,470 Total employment (ths) 3,244 3,265 3,406 3,533 3,592 3,619 2.5 2.9 3.1 2.5 2.4 2 % change -6.5 0.7 4.3 3.7 1.7 0.7 6.1 5.6 5.3 4.7 4.5 4.3 Unemployment rate (%) 9.9 10 7.6 5.7 5.4 5.4 8 6.2 5.7 6.6 7.5 5.7 Personal income growth (%) 2.8 -1.3 8.1 8.5 6.4 5 7,055 7,164 7,295 7,423 7,524 7,615 Population (ths) 7,716 7,794 7,866 7,938 8,012 8,088 54.7 74 95.8 94.7 70.8 61.6 Net migration (ths) 70.2 45.3 40.2 40.6 44.2 47.5 17,905 19,797 22,463 23,115 23,676 23,300 Single-family permits (#) 21,286 26,884 35,909 37,508 36,205 35,624 15,993 20,577 21,614 22,679 24,070 25,124 Multifamily permits (#) 20,301 18,753 22,405 22,868 22,216 21,116 427 462 510 566 625 660 FHFA house price (1980Q1=100) 686 687 706 744 781 832 4.1 3.2 2.7 2.5 2.2 2.1 Mortgage delinquency rate (%) 2.8 3.9 3.6 3 2.8 2.7 264.3 285.9 302.7 308.8 303 292.4 New vehicle registrations (ths) 235.8 278 320.1 323.9 317.6 316.8 20,814 17,973 15,961 14,355 13,032 12,170 Personal bankruptcies (#) 15,959 22,024 17,506 17,085 19,055 20,019 Sources: Moody’s U.S. Précis® StateUpdated as of August 2020 Economic Drivers Strengths & Weaknesses Business Costs Vitality Summary of Key Indicators: Washington State GDP Overview Economic Growth Business Cycle Status RECOVERY MID EXPANSION LATE EXPANSION AT RISKIN RECESSION 0 2 4 6 8 10 12 14 16 18 O -1 9 D -1 9 F- 20 A -2 0 J- 20 A -2 0 O -2 0 WA U.S. Unemployment


 
Wyoming U.S.=100% Best=1, Worst=51 U.S.=100% Highest=1, Lowest=51 0% 5% 10% 15% 20% 25% Agriculture Mining Utilities Construction Manufacturing Wholesale Retail Transportation Information Finance/Insurance Real Estate Professional Educational Health Arts Accommodation Other services Government WY GDP: Industry % Contribution WY US ENERGY & RESOURCES AGRICULTURE DEFENSE Gross State Product WY 2013-2018 CAGR 0.31% 2019-2024 CAGR 3.27% Strengths • Abundant natural energy resources. • National parks, a magnet for domestic and international tourism. • Low business costs relative to the region. Weaknesses • Low industrial diversity, high employment concentration in volatile energy industry. • Below-average educational attainment. • Net negative migration. • High rental vacancy rate. Relative 62% Rank 50 Index 100% Rank 25 Sources: Moody’s U.S. Précis® StatePage 60 2014 2015 2016 2017 2018 2019 Indicators 2020 2021 2022 2023 2024 2025 38.7 39.7 38.1 38 38 39.3 Gross state product (C12$ bil) 37.2 38.3 40.5 42.1 43.1 43.7 298 297 286 284 286 290 Total employment (ths) 273 272 281 288 291 292 1.5 -0.5 -3.7 -0.8 0.9 1.4 % change -5.8 -0.3 3.2 2.4 1.1 0.5 4.1 4.3 5.3 4.2 3.9 3.6 Unemployment rate (%) 6.6 7.2 5.6 4.1 3.9 4 7.3 1.2 -4.6 2.3 6.8 5.1 Personal income growth (%) 2.7 -3.4 4.6 4.8 4 3.4 583 586 584 579 578 579 Population (ths) 580 584 587 589 592 594 -2.8 0.1 -4.2 -7.7 -3.3 -0.5 Net migration (ths) -0.4 1.2 1.3 0.5 0.4 0.9 1,614 1,681 1,549 1,464 1,533 1,521 Single-family permits (#) 1,578 2,141 2,700 2,740 2,637 2,558 287 222 178 462 279 187 Multifamily permits (#) 292 243 290 282 265 237 281 292 299 303 316 330 FHFA house price (1980Q1=100) 345 345 353 372 386 401 4 3.7 4 3.9 3.5 3.3 Mortgage delinquency rate (%) 4 5.2 4.7 3.9 3.7 3.7 28.6 27.1 23.6 25.7 26.4 25.9 New vehicle registrations (ths) 24.5 30.4 34.6 34.1 33.2 33.2 912 844 952 986 976 821 Personal bankruptcies (#) 1,067 1,526 1,167 1,123 1,256 1,315 Updated as of August 2020 Economic Drivers Strengths & Weaknesses Business Costs Vitality Summary of Key Indicators: Wyoming State GDP Overview Economic Growth Business Cycle Status RECOVERY MID EXPANSION LATE EXPANSION AT RISKIN RECESSION 0 2 4 6 8 10 12 14 16 O -1 9 D -1 9 F- 20 A -2 0 J- 20 A -2 0 O -2 0 WY U.S. Unemployment