Press Release: Flathead Bank : First Interstate BancSystem, Inc.'s Bank Subsidiary Acquires Flathead Bank of Bigfork, Montana

BILLINGS, Mont.--(BUSINESS WIRE)--First Interstate BancSystem, Inc. (NASDAQ: FIBK)("First Interstate"), parent company of First Interstate Bank, announced today that, effective August 12, 2016, First Interstate Bank completed its acquisition of Flathead Bank of Bigfork, Montana ("Flathead Bank"), the wholly owned subsidiary of Flathead Holding Company of Bigfork. Immediately following the acquisition, Flathead Bank was merged into First Interstate Bank, with First Interstate Bank as the resulti