FIRST INTERSTATE BANCSYSTEM INC — Director's Dealing 2013

May 16, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: FIRST INTERSTATE BANCSYSTEM INC (FIBK)
CIK: 0000860413
Period of Report: 2013-05-14

Reporting Person: SCOTT JAMES R (Director, 10% Owner)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2013-05-14	Stock Options	$11.50	M	2692	Disposed	2013-06-02	Class B Common Stock (2692)	Direct
2013-05-14	Class B Common Stock	$0.00	M	2692	Acquired	2029-12-31	Class A Common Stock (2692)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Class A Common Stock	17764	Indirect

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Class B Common Stock	$0.00	2029-12-31	Class B Common Stock (2348091)	2348091	Indirect
Class B Common Stock	$0.00	2029-12-31	Class A Common Stock (44106)	44106	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.