FIBK - First Interstate BancSystem Inc. 2022 Q3 - Results - Earnings Call Presentation October, 26 2022 02:38 PM First Interstate BancSystem Inc. The following slide deck was published by First Interstate BancSystem, Inc. in conjunction with their 2022 Q3 earnings call. For further details see: First Interstate BancSystem, Inc. 2022 Q3 - Results - Earnings Call Presentation