FIRST INTERSTATE BANCSYSTEM INC — Director's Dealing 2012

Nov 9, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: FIRST INTERSTATE BANCSYSTEM INC (FIBK)
CIK: 0000860413
Period of Report: 2012-11-08

Reporting Person: Cerkovnik Robert M (Sr VP & Chief Credit Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-11-08	Class A Common Stock	C	541	$0.00	Acquired	13520	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-11-08	Stock Options	$11.25	M	4000	Disposed	2013-01-26	Class B Common Stock (4000)	Direct
2012-11-08	Class B Common Stock	$0.00	M	4000	Acquired	2029-12-31	Class A Common Stock (4000)	Direct
2012-11-08	Class B Common Stock	$0.00	F	3459	Disposed	2029-12-31	Class A Common Stock (3459)	Direct
2012-11-08	Class B Common Stock	$0.00	C	541	Disposed	2029-12-31	Class A Common Stock (541)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Class A Common Stock	5248	Indirect
Class A Common Stock	1108	Indirect

Footnotes

F1: On March 5, 2010, the Company recapitalized its existing common stock. The recapitalization included, among other things, a redesignation of existing common stock as Class B common stock and the creation of a new class of common stock designated as Class A common stock, which is listed on the NASDAQ stock market under the symbol "FIBK". 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.

F2: Includes 3,200 shares for payment of option exercise price and 259 shares for payment of taxes, valued at $14.06 per share.

F3: Includes 148 shares of Class B common stock and 148 shares of unvested Class B common stock.