FIRST INTERSTATE BANCSYSTEM INC — Director's Dealing 2023

Dec 19, 2023

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: FIRST INTERSTATE BANCSYSTEM INC (FIBK)
CIK: 0000860413
Period of Report: 2023-11-30

Reporting Person: SCOTT JULIE A (10% Owner)
Reporting Person: Julie A Scott Rose Trustee of the Julie A Scott Rose Trust Dated 5-14-2002 (10% Owner)
Reporting Person: IXL Ltd Liability Co (10% Owner)
Reporting Person: Juliana Sarah Scott Rose Trust (10% Owner)
Reporting Person: Elizabeth Lauren Scott Rose Trust (10% Owner)
Reporting Person: Harper Grace Scott Trust (10% Owner)
Reporting Person: Harrison William Scott Trust (10% Owner)
Reporting Person: Holland Elizabeth Scott Trust (10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2023-11-30	Common Stock	S	10000	$26.19	Disposed	1159700	Indirect
2023-12-08	Common Stock	S	10000	$28.42	Disposed	1149700	Indirect

Footnotes

F1: The price reported in column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $26.03 to $26.29. The reporting person undertakes to provide to First Interstate BancSystem, Inc., any security holders of First Interstate BancSystem, Inc., or the staff of the Securities and Exchange Commission, upon request, the full information regarding the number of shares sold at each separate price within the ranges set forth above.

F2: The price reported in column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $28.27 to $28.51. The reporting person undertakes to provide to First Interstate BancSystem, Inc., any security holders of First Interstate BancSystem, Inc., or the staff of the Securities and Exchange Commission, upon request, the full information regarding the number of shares sold at each separate price within the ranges set forth above.

F3: Composed of 530,281 shares held of record by Julie A Scott-Rose Trustee of the Julie A Scott Rose Trust Dated 5-14-02, 209,678 shares held of record by IXL Limited Liability Company, 58,537 shares held of record by Holland Elizabeth Scott Trust, 58,537 shares held of record by Harper GraceScott Trust, 58,538 shares held of record by Harrison William Scott Trust, 122,065 shares held of record by Juliana Sarah Scott Rose Trust, 122,064 shares held of record by Elizabeth Lauren Scott Rose Trust.

F4: Composed of 520,281 shares held of record by Julie A Scott-Rose Trustee of the Julie A Scott Rose Trust Dated 5-14-02, 209,678 shares held of record by IXL Limited Liability Company, 58,537 shares held of record by Holland Elizabeth Scott Trust, 58,537 shares held of record by Harper GraceScott Trust, 58,538 shares held of record by Harrison William Scott Trust, 122,065 shares held of record by Juliana Sarah Scott Rose Trust, 122,064 shares held of record by Elizabeth Lauren Scott Rose Trust.

F5: As a result of certain agreements entered into by and among the reporting persons, the Issuer, and certain other stockholders of the Issuer, the reporting persons may be deemed members of a group with the other signatories thereto and may be deemed to share beneficial ownership of the securities reported herein. Each of the reporting persons disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein. The reporting persons expect to file future Forms 4 and 5, if any, together with Julie Scott Rose with the indication of direct or indirect ownership in Table I and Table II being made from Julie Scott Rose's perspective. The nature of beneficial ownership is described in detail by footnote for all reporting persons.