FIRST INTERSTATE BANCSYSTEM INC — Director's Dealing 2012

Aug 30, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: FIRST INTERSTATE BANCSYSTEM INC (FIBK)
CIK: 0000860413
Period of Report: 2012-08-28

Reporting Person: SCOTT THOMAS W (Director, 10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-08-28	Class A Common Stock	S	5000	$14.2418	Disposed	0	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Class A Common Stock	23076	Indirect

Footnotes

F1: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $14.22 to $14.2511. The reporting person undertakes to provide to First Interstate BancSystem, Inc., any security holder of First Interstate BancSystem, Inc., or the staff of the Securities and Exchange Commission, upon, request, the full information regarding the number of shares sold at each separate price within the ranges set forth above.