 BILLINGS, Mont.--BUSINESS WIRE--First Interstate BancSystem, Inc. NASDAQ: FIBK, parent company of First Interstate Bank, will report fourth quarter results after the market closes on Thursday, January 28, 2021. A conference call for investors is scheduled for Friday, January 29, 2021 at 11 a.m. Eastern 9 a.m. Mountain, during which the Company will discuss quarterly and year-end results. There will be a question and answer session following the presentation. The conference call will be ac 