FIRST INTERSTATE BANCSYSTEM INC — Director's Dealing 2010

Sep 2, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: FIRST INTERSTATE BANCSYSTEM INC (FIBK)
CIK: 0000860413
Period of Report: 2010-08-31

Reporting Person: Leckie Ross E. (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-08-31	Class A Common Stock	P	1500	$11.40	Acquired	3500	Indirect
2010-08-31	Class A Common Stock	P	1000	$11.466	Acquired	3000	Indirect
2010-08-31	Class A Common Stock	P	700	$11.40	Acquired	3700	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Class A Common Stock	1414	Direct