FIRST INTERSTATE BANCSYSTEM INC — Director's Dealing 2019

May 1, 2019

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: FIRST INTERSTATE BANCSYSTEM INC (FIBK)
CIK: 0000860413
Period of Report: 2019-04-29

Reporting Person: Corning Steven J (Director)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2019-04-29	Stock Options (Right to Buy)	$15.25	M	1960	Disposed	2019-05-15	Class B Common Stock (1960.0)	Direct
2019-04-29	Class B Common Stock	$0.0	M	1960	Acquired		Class A Common Stock (1960.0)	Direct

Footnotes

F1: The Class B Common Stock is convertible at any time into Class A Common Stock on a share for share basis at the discretion of the holder. The conversion feature of the Class B Common Stock does not expire.