 BILLINGS, Mont.--BUSINESS WIRE--First Interstate BancSystem, Inc. NASDAQ: FIBK, parent company of First Interstate Bank, will report first quarter results after the market closes on Thursday, April 28, 2022. A conference call for investors is scheduled for Friday, April 29, 2022 at 11 a.m. Eastern 9 a.m. Mountain, during which the Company will discuss quarterly results. There will be a question-and-answer session following the presentation. The conference call will be accessible by teleph 