FIRST INTERSTATE BANCSYSTEM INC — Director's Dealing 2010

Nov 22, 2010

SEC Form 3 — Initial Statement of Beneficial Ownership

Issuer: FIRST INTERSTATE BANCSYSTEM INC (FIBK)
CIK: 0000860413
Period of Report: 2010-03-23

Reporting Person: SCOTT DAN S (10% Owner)

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Class B Common Stock	$0.00	2029-12-31	Class A Common Stock (2712)		Direct
Class B Common Stock	$0.00	2029-12-31	Class A Common Stock (563096)		Indirect
Class B Common Stock	$0.00	2029-12-31	Class A Common Stock (1168000)		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. An initial public offering of the Class A common stock, which is listed on the NASDAQ stock market under the symbol "FIBK", was commenced March 23, 2010 and concluded March 29, 2010. 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: Disclaims beneficial ownership except to the extend of Mr. Scott's pecuniary interest in the partnerships.