Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.



(b) On January 11, 2023, Ross E. Leckie notified First Interstate BancSystem,
Inc. (the "Company") that for personal reasons he was resigning as a Director of
the Company effective at midnight on January 12, 2023. His resignation is not
related to any disagreement with the Company on any matter relating to the
Company's operations, policies, or practices. Mr. Leckie has been a valuable
member of the Company's Board of Directors for more than a decade, and the
Company thanks him for his dedicated service and many contributions to the
Company and wishes him well.

Following the announcement of Mr. Leckie's resignation, Frances P. Grieb, a
current member of the Audit Committee of the Board of Directors who has also
been determined by the Board of Directors to qualify as an audit committee
financial expert under applicable rules of the Securities and Exchange
Commission, has graciously agreed to replace Mr. Leckie on an interim basis as
the Chair of the Company's Audit Committee.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibit Number Description



             104               Cover Page Interactive Data File (embedded

within Inline XBRL document).

--------------------------------------------------------------------------------

© Edgar Online, source Glimpses