FIRST INTERSTATE BANCSYSTEM INC — Director's Dealing 2012

May 31, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: FIRST INTERSTATE BANCSYSTEM INC (FIBK)
CIK: 0000860413
Period of Report: 2012-05-31

Reporting Person: SCOTT DAN S (10% Owner)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-05-31	Class B Common Stock	$0.00	G	36100	Disposed	2029-12-31	Class A Common Stock (36100)	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, 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.