FIRST INTERSTATE BANCSYSTEM INC — Director's Dealing 2014

May 9, 2014

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: FIRST INTERSTATE BANCSYSTEM INC (FIBK)
CIK: 0000860413
Period of Report: 2014-05-07

Reporting Person: SCOTT RANDALL I (Director, 10% Owner)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2014-05-07	Stock Options	$13.12	M	2400	Disposed	2014-05-24	Class B Common Stock (2400)	Direct
2014-05-07	Stock Options	$15.75	M	2208	Disposed	2014-05-24	Class B Common Stock (2208)	Direct
2014-05-07	Class B Common Stock	$0.00	M	6224	Acquired	2029-12-31	Class A Common Stock (4608)	Indirect
2014-05-07	Class B Common Stock	$0.00	F	2726	Disposed	2029-12-31	Class A Common Stock (2726)	Indirect
2014-05-07	Class B Common Stock	$0.00	J	1616	Disposed	2029-12-31	Class A Common Stock (1616)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Class A Common Stock	9648	Indirect
Class A Common Stock	2643	Indirect

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Class B Common Stock	$0.00	2029-12-31	Class A Common Stock (82104)	82104	Indirect
Class B Common Stock	$0.00	2029-12-31	Class A Common Stock (3795676)	3795676	Indirect
Class B Common Stock	$0.00	2029-12-31	Class A Common Stock (85836)	85836	Indirect
Class B Common Stock	$0.00	2029-12-31	Class A Common Stock (803310)	803310	Indirect

Footnotes

F1: 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: Shares tendered for payment of option exercise price, valued at $24.30 per share.

F3: Change in form of beneficial ownership from direct ownership to indirect ownership by trust.