First Interstate BancSystem Receives Regulatory Approvals from the Federal Reserve System and Montana Division of Banking for Great Western Bancorp Merger

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Dec 23, 2021

First Interstate BancSystem, Inc. (NASDAQ: FIBK) (“FIBK”), parent company of First Interstate Bank, and Great Western Bancorp, Inc. (NYSE: GWB) (“GWB”), parent company of Great Western Bank, today jointly announced that they have received the required regulatory clearances from the Board of Governors of the Federal Reserve System and the Montana Division of Banking and Financial Institutions related to the proposed merger of FIBK and GWB and the merger of FIBK’s and GWB’s respective subsidiary banks, First Interstate Bank and Great Western Bank.