FIRST INTERSTATE BANCSYSTEM INC — Director's Dealing 2012

May 16, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: FIRST INTERSTATE BANCSYSTEM INC (FIBK)
CIK: 0000860413
Period of Report: 2012-05-15

Reporting Person: Huston Michael G. (Ex. VP & Chief Banking Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-05-15	Class A Common Stock	J	1116	$0.00	Acquired	14698	Indirect
2012-05-15	Class A Common Stock	J	1116	$0.00	Disposed	5219	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Class A Common Stock	4972	Indirect

Footnotes

F1: Transaction represents a transfer of 1,116 shares from a directly owned individual account into an indirectly owned family trust account.