FIRST INTERSTATE BANCSYSTEM INC — Director's Dealing 2012

Nov 15, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: FIRST INTERSTATE BANCSYSTEM INC (FIBK)
CIK: 0000860413
Period of Report: 2012-11-13

Reporting Person: Heyneman Charles M (Director)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-11-13	Class B Common Stock	$0.00	G	1780	Disposed	2029-12-31	Class A Common Stock (1780)	Indirect
2012-11-13	Class B Common Stock	$0.00	G	890	Acquired	2029-12-31	Class A Common Stock (890)	Indirect
2012-11-13	Class B Common Stock	$0.00	G	890	Acquired	2029-12-31	Class A Common Stock (890)	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Class A Common Stock	3492	Indirect
Class A Common Stock	16523	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 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.

F2: Change in form of indirect beneficial ownership from indirect ownership by self as trustee to indirect ownership by self as co-trustee for child's trust.

F3: Shares are owned by a trust for one of Mr. Heyneman's children, for which Mr. Heyneman is a co-trustee and is deemed to be the beneficial owner for purposes of Section 16.

F4: Shares are owned by a trust for one of Mr. Heyneman's children, for which Mr. Heyneman is a co-trustee and is deemed to be the beneficial owner for purposes of Section 16.