As a community bank and trusted financial partner, First Interstate clings tightly to a values system that has anchored us for more than five decades. Through every interaction, First Interstate Bank ...

Three months after joining forces, First Interstate is pleased to announce Great Western Bank locations in Arizona have opened for business as First Interstate. While the logo on the front door has ...

HELENA, Mont. (AP) — First Interstate Bank’s parent company plans to acquire Mountain West Bank in a deal that will pay Mountain West shareholders approximately $72.8 million, Billings-based First ...

BILLINGS, Mont.--(BUSINESS WIRE)--First Interstate BancSystem, Inc. (NASDAQ: FIBK)(“First Interstate”), parent company of First Interstate Bank, announced that, effective today, it completed its ...

First Interstate again reported lower than estimated 1Q results of $0.54 per share. Deposits decreased by $966.6 million in 1Q and continued to decrease in April according to management. They sold ...

Three months after joining forces, First Interstate is pleased to announce Great Western Bank locations in Iowa have opened for business as First Interstate. While the logo on the front door has ...

BEND, Ore. (KTVZ) — First Interstate Bank has partnered with The Giving Plate, Central Oregon’s largest food pantry, for an ongoing food drive. First Interstate is providing reusable orange bags at ...

First Interstate BancSystem, the parent company of First Interstate Bank, and Mountain West Financial Corp., the parent company of Mountain West Bank, announced Monday that First Interstate signed an ...