FIRST INTERSTATE BANCSYSTEM INC — Director's Dealing 2025

Feb 14, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: FIRST INTERSTATE BANCSYSTEM INC (FIBK)
CIK: 0000860413
Period of Report: 2024-10-30

Reporting Person: Scott Risa Kae (10% Owner)
Reporting Person: Risa K Scott TTEE Risa K Scott Trust Dtd 12/4/15 (10% Owner)
Reporting Person: Risa K. Scott & John Heyneman Jr., TTEEs FBO Risa K Scott Exemption Trust Under the Scott Family 1996 Trust (10% Owner)
Reporting Person: Risa K Scott Grantor Retained Annuity Trust Dtd 5/19/24 (10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2024-10-30	Common Stock	G	3210	—	Disposed	322546	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	85836	Indirect
Common Stock	75000	Indirect

Footnotes

F1: 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, if any, together with Risa K Scott.

F2: Composed of 322,546 shares held of record by Risa K. Scott TTEE, Risa K Scott Trust dtd 12/4/15, over which Risa K Scott has sole voting & dispositive power.

F3: Composed of 85,836 shares held of record by Risa K. Scott and John Heyneman Jr., TTEEs FBO Risa K. Scott Exemption Trust under the Scott Family 1996 Trust, over which Ms. Scott has shared voting and dispositive power with John Heyneman Jr.

F4: Composed of 75,000 shares held of record by the Risa K Scott Grantor Retained Annuity Trust dtd 5/29/24 over Risa K Scott has sole voting and dispositive power.