FIRST INTERSTATE BANCSYSTEM INC — Director's Dealing 2016

Dec 15, 2016

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: FIRST INTERSTATE BANCSYSTEM INC (FIBK)
CIK: 0000860413
Period of Report: 2016-11-22

Reporting Person: Scott Jonathan R (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2016-11-22	Class A Common Stock	C	9576	$0.00	Acquired	9576	Indirect
2016-12-15	Class A Common Stock	S	5000	$42.0151	Disposed	4576	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2016-11-22	Class B Common Stock	$0.00	C	9576	Disposed	2029-12-31	Class A Common Stock (9576)	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Class A Common stock	4958	Direct
Class A Common Stock	3972	Indirect

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Class B Common Stock	$0.00	2029-12-31	Class A Common Stock (702)	702	Direct
Class B Common Stock	$0.00	2029-12-31	Class A Common Stock (710590)	710590	Indirect

Footnotes

F1: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $41.85 to $42.22. Reporting Person undertakes to provide to First Interstate BancSystem, Inc., any security holder of First Interstate BancSystem, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding number of shares purchased at each separate price within the range set forth in this Form 4.

F2: 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.