FIRST INTERSTATE BANCSYSTEM INC — Director's Dealing 2012

Nov 15, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: FIRST INTERSTATE BANCSYSTEM INC (FIBK)
CIK: 0000860413
Period of Report: 2012-11-13

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

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-11-13	Stock Options	$11.25	M	6000	Disposed	2012-11-14	Class B Common Stock (6000)	Direct
2012-11-13	Stock Options	$11.25	M	30000	Disposed	2012-11-13	Class B Common Stock (30000)	Direct
2012-11-13	Class B Common Stock	$0.00	M	36000	Acquired	2029-12-31	Class A Common Stock (36000)	Direct
2012-11-13	Class B Common Stock	$0.00	F	30645	Disposed	2029-12-31	Class A Common Stock (30645)	Direct
2012-11-13	Class B Common Stock	$0.00	G	17460	Disposed	2029-12-31	Class A Common Stock (17460)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Class A Common Stock	23076	Indirect
Class A Common Stock	12500	Direct

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, a four-for-one split of 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 descretion of the holder. The conversion feature of the Class B common stock does not expire.

F2: Includes 28,281 shares tendered in payment of option exercise price and 2,364 shares tendered in payment of withholding taxes, valued at $14.32 per share.