First Interstate BancSystem, Inc. Announces First Quarter Earnings Release and Conference Call

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BILLINGS, Mont.--(BUSINESS WIRE)--Apr 1, 2026--

First Interstate BancSystem, Inc. (NASDAQ: FIBK), parent company of First Interstate Bank, will report first quarter results after the market closes on Wednesday, April 29, 2026. A conference call for investors is scheduled for Thursday, April 30, 2026, at 9:30 a.m. Eastern (7:30 a.m. Mountain), during which the Company will discuss quarterly results. There will be a question-and-answer session following the presentation.

The conference call will be accessible by telephone and through the Internet. Shareholders, analysts, and other interested parties are invited to join the call by dialing 800-715-9871; the Conference ID is 5906009. To participate via the Internet, visit www.FIBK.com. A telephone replay will be available approximately one hour after the end of the conference call by dialing 800-770-2030; the Playback ID is 5906009 followed by the # key. The call will also be archived on the Company’s website, www.FIBK.com.

About First Interstate BancSystem, Inc.

First Interstate BancSystem, Inc. is a financial services holding company headquartered in Billings, Montana. It is the parent company of First Interstate Bank, a community bank proudly delivering financial solutions across Colorado, Idaho, Iowa, Missouri, Montana, Nebraska, Oregon, South Dakota, Washington, and Wyoming. A recognized leader in community banking services, First Interstate is driven by strong values as well as a commitment to delivering a rewarding experience to its employees, strong returns to shareholders, exceptional products and services to its clients, and resources to the communities it serves. More information is available at www.FIBK.com.

Category: Earnings News

View source version on businesswire.com:https://www.businesswire.com/news/home/20260401015226/en/

CONTACT: Company Contact:

David Della Camera, CFA

Chief Financial Officer

406-255-5363

[email protected]

KEYWORD: MONTANA UNITED STATES NORTH AMERICA

INDUSTRY KEYWORD: BANKING PROFESSIONAL SERVICES FINANCE

SOURCE: First Interstate BancSystem, Inc.

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PUB: 04/01/2026 04:00 PM/DISC: 04/01/2026 04:00 PM

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