FIRST INTERSTATE BANCSYSTEM INC — Director's Dealing 2012

May 31, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: FIRST INTERSTATE BANCSYSTEM INC (FIBK)
CIK: 0000860413
Period of Report: 2012-05-31

Reporting Person: Heyneman Charles M (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-05-31	Class A Common Stock	J	1599	$0.00	Acquired	2523	Direct
2012-05-31	Class A Common Stock	J	1599	$0.00	Disposed	18000	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Class A Common Stock	3492	Indirect

Footnotes

F1: Transaction represents a transfer of 1,599 shares from an indirectly owned trust account into a directly owned individual account.