8-K

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): June 14, 2024

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FIRST INTERSTATE BANCSYSTEM, INC.

(Exact name of registrant as specified in its charter)

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Delaware		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		59101
(Address of principal executive offices)			(zip code)

	(406)	255-5311
(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))

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Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Trading Symbol(s)	Name of exchange on which registered
Common stock, $0.00001 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. ☐

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Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

On June 14, 2024, First Interstate BancSystem, Inc. (“First Interstate” or the “Company”) announced the upcoming retirement of President and Chief Executive Officer Kevin P. Riley and has initiated a search for his successor. During this period, Mr. Riley will continue to serve in his role as President and Chief Executive Officer of First Interstate until a successor is appointed. The compensation terms relating to the transition and retirement have not yet been finalized.

A copy of the press release announcing Mr. Riley’s pending retirement is furnished herewith as Exhibit 99.1 and is incorporated herein by reference. Interested persons are encouraged to read the press release because it contains other important information not summarized in this Current Report.

Cautionary Note Regarding Forward-Looking Statements

Statements contained in this report constitute “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. These statements are predictive in nature and are identified by the use of the terms “expected,” “will,” “look forward to,” “aim,” and similar words or phrases indicating possible future expectations, events or actions. Such forward-looking statements are based on current expectations, assumptions and projections about our business and the Company, and are not guarantees of our future performance or outcomes. These statements are subject to a number of known and unknown risks, uncertainties, and other factors, many of which are beyond our ability to control or predict, which may cause actual events to be materially different from those expressed or implied herein. The Company has provided additional information about the risks facing its business in its most recent annual report on Form 10-K, and any subsequent periodic and current reports on Forms 10-Q and 8-K, filed by it with the Securities and Exchange Commission. You are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date the statement was made and are expressly qualified in their entirety by the cautionary statements set forth herein and in the filings with the Securities and Exchange Commission identified above, which you should read in their entirety before making any investment or other decision with respect to our securities. We undertake no obligation to update or revise any forward-looking statements contained in this report, whether as a result of new information, future events or otherwise, except as otherwise required by applicable law.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits.

Exhibit Number	Exhibit Description
99.1	Press Release dated June 14, 2024.
104	Cover Page Interactive Data File (embedded within Inline XBRL document).

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Date: June 14, 2024

FIRST INTERSTATE BANCSYSTEM, INC.
By:	/s/ MARCY D. MUTCH
	Marcy D. Mutch
	Executive Vice President and Chief Financial Officer

EX-99.1

Exhibit 99.1

For Immediate Release

First Interstate BancSystem, Inc. Announces President and CEO Kevin P. Riley’s Retirement

Billings, Mont., June 14, 2024 - First Interstate BancSystem, Inc. (NASDAQ: FIBK) (“First Interstate or the “Company”) announced today the upcoming retirement of President and Chief Executive Officer Kevin P. Riley and has initiated a search for his successor. Riley will continue to serve in his role as President and CEO until a successor is appointed.

Riley joined First Interstate in 2013 as Executive Vice President and the Chief Financial Officer before becoming President and CEO in 2015.

“On behalf of the Board, I would like to thank Kevin for his unwavering commitment to excellence and his leadership of First Interstate,” said Stephen B. Bowman, Chair of the Board, First Interstate BancSystem, Inc. “We are initiating our succession plan from a position of strength as we look to the future and conduct a thorough and comprehensive search for a new leader that will power the next wave of our success.”

“We have a strong balance sheet underpinned by a diverse loan portfolio, strong capital position and deep liquidity profile, which makes this the right moment to embark on a new chapter,” Bowman continued. “The Board’s priority is to identify a leader that continues to embody our culture of integrity, understands the communities we serve, and has the ability to continue to grow the organization, deliver value to our shareholders, and execute our long-term vision for the company.”

The Board has retained a leading global executive recruiting firm to lead the search for the next CEO.

“I have had the great fortune of spending 38 remarkable years in the banking industry, the most exciting and rewarding of which have been the past nine years serving as President and CEO of First Interstate,” Riley said. “I am extremely proud of First Interstate’s significant growth from a $7B community bank located in three states to an over $30B regional community bank covering a 14-state footprint over my tenure. We have accomplished so much as an organization, and I am grateful to have had the opportunity to work alongside so many talented people.”

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 Arizona, Colorado, Idaho, Iowa, Kansas, Minnesota, Missouri, Montana, Nebraska, North Dakota, 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.

Cautionary Note Regarding Forward-Looking Statements

Statements contained in this report constitute “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. These statements are predictive in nature and are identified by the use of the terms “expected,” “will,” “look forward to,” “aim,” and similar words or phrases indicating possible future expectations, events or actions. Such forward-looking statements are based on current expectations, assumptions and projections about our business and the Company, and are not guarantees of our future performance or outcomes. These statements are subject to a number of known and unknown risks, uncertainties, and other factors, many of which are beyond our ability to control or predict, which may cause actual events to be materially different from those expressed or implied herein. The Company has provided additional information about the risks facing its business in its most recent annual report on Form 10-K, and any subsequent periodic and current reports on Forms 10-Q and 8-K, filed by it with the Securities and Exchange Commission. You are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date the statement was made and are expressly qualified in their entirety by the cautionary statements set forth herein and in the filings with the Securities and Exchange Commission identified above, which you should read in their entirety before making any investment or other decision with respect to our securities. We undertake no obligation to update or revise any forward-looking statements contained in this report, whether as a result of new information, future events or otherwise, except as otherwise required by applicable law.

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Company Contact:
David Della Camera, CFA	NASDAQ: FIBK
Deputy Chief Financial Officer (406) 255-5363 investor.relations@fib.com	www.FIBK.com

Media Contact:

Sara Becker

Director of Marketing and Communications
(406) 255-5314
sara.becker@fib.com

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XML

Cover	Jun. 14, 2024
Cover [Abstract]
Document Type	8-K
Document Period End Date	Jun. 14, 2024
Entity Registrant Name	FIRST INTERSTATE BANCSYSTEM, INC.
Entity Incorporation, State or Country Code	DE
Entity File Number	001-34653
Entity Tax Identification Number	81-0331430
Entity Address, Address Line One	401 North 31st Street
Entity Address, City or Town	Billings,
Entity Address, State or Province	MT
Entity Address, Postal Zip Code	59101
City Area Code	(406)
Local Phone Number	255-5311
Written Communications	false
Soliciting Material	false
Pre-commencement Tender Offer	false
Pre-commencement Issuer Tender Offer	false
Title of 12(b) Security	Common stock, $0.00001 par value
Trading Symbol	FIBK
Security Exchange Name	NASDAQ
Amendment Flag	false
Entity Central Index Key	0000860413
Entity Emerging Growth Company	false