FIRST INTERSTATE BANCSYSTEM INC — Director's Dealing 2012

Feb 7, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: FIRST INTERSTATE BANCSYSTEM INC (FIBK)
CIK: 0000860413
Period of Report: 2012-02-05

Reporting Person: MOORE TERRILL R (Exec. Vice President & CFO)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-02-05	Class B Common Stock	$0.00	F	319	Disposed	2029-12-31	Class A Common Stock (319)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Class A Common Stock	8800	Indirect
Class A Common Stock	16572	Indirect
Class A Common Stock	1500	Indirect
Class A Common Stock	54677	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: Disposition to the issuer of issuer securities in payment of minimum required withholding taxes due upon vesting of unvested shares.