First Interstate BancSystem, Inc. Completes Merger with Great Western Bancorp, Inc.

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Feb 01, 2022

First Interstate BancSystem, Inc. (NASDAQ: FIBK) (“FIBK”), parent company of First Interstate Bank, announced that effective today, it has completed its previously announced merger with Great Western Bancorp, Inc. (“GWB”), parent company of Great Western Bank. The combined holding company will operate under the First Interstate name and brand with the company’s headquarters remaining in Billings, Montana.