Exhibit 24 POWER OF ATTORNEY With respect to holdings of and transactions in securities issued by First Interstate BancSystem, a Montana corporation (the "Company"), each of the undersigned hereby constitutes and appoints Timothy Leuthold with full power of substitution and resubstitution, to act as each the undersigned's true and lawful attorney-in-fact to: 1. execute for and on behalf of each of the undersigned, Schedules 13D and 13G in accordance with Section 13 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), and the rules thereunder, and Forms 3, 4, and 5 in accordance with Section 16 of the Exchange Act and the rules thereunder; 2. do and perform any and all acts for and on behalf of each of the undersigned which may be necessary or desirable to complete and execute any such Schedule 13D or 13G or Form 3, 4, or 5, complete and execute any amendment or amendments thereto, and timely file such schedule or form with the SEC and any stock exchange or similar authority; and 3. take any other action of any type whatsoever in connection with the foregoing which, in the opinion of such attorney-in-fact, may be of benefit to, in the best interest of, or legally required by, each of the undersigned, it being understood that the documents executed by such attorney-in-fact on behalf of each of the undersigned pursuant to this Power of Attorney shall be in such form and shall contain such terms and conditions as such attorney-in-fact may approve in such attorney-in-fact's discretion. Each of the undersigned hereby grants to each such attorney-in-fact full power and authority to do and perform any and every act and thing whatsoever requisite, necessary, or proper to be done in the exercise of any of the rights and powers herein granted, as fully to all intents and purposes as each of the undersigned might or could do if personally present, with full power of substitution and resubstitution or revocation, hereby ratifying and confirming all that such attorney-in-fact substitutes, shall lawfully do or cause to be done by virtue of this Power of Attorney and the rights and powers herein granted. Each of the undersigned acknowledges that the foregoing attorney-in-fact, in serving in such capacity at the request of each of the undersigned, is not assuming, nor is the Company assuming, any of each of the undersigned's responsibilities to comply with Section 13 and Section 16 of the Exchange Act. This Power of Attorney shall remain in full force and effect until each of the undersigned is no longer required to file Schedule 13D and 13G and Forms 3, 4, and 5 with respect to each of the undersigned's holdings of and transactions in securities issued by the Company, unless earlier revoked by each of the undersigned in a signed writing delivered to the foregoing attorney-in-fact. [Remainder of page intentionally blank] IN WITNESS WHEREOF, each of the undersigned has caused this Power of Attorney to be executed as of this 26th day of January, 2022. RISA KAE SCOTT By: /s/ Risa K. Scott ---------------------------------------- Name: Risa K Scott, as an individual NBAR5 S By: /s/ Risa K. Scott ---------------------------------------- Name: Risa K Scott Title: Authorized Signatory RISA K. SCOTT & JOHN HEYNEMAN JR., TTEES FBO RISA K. SCOTT EXEMPTION TRUST UNDER THE SCOTT FAMILY 1996 TRUST By: /s/ Risa K. Scott ---------------------------------------- Name: Risa K Scott Title: Trustee RISA K SCOTT TTEE RISA K SCOTT TRUST DTD 12/4/15 By: /s/ Risa K. Scott ---------------------------------------- Name: Risa K Scott Title: Trustee JAMES R. SCOTT By: /s/ James R. Scott ---------------------------------------- Name: James R. Scott, as an individual FOUNDATION FOR COMMUNITY VITALITY By: /s/ James R. Scott ---------------------------------------- Name: James R. Scott Title: Director JAMES F HEYNEMAN CONSERVATORSHIP, JAMES SCOTT, CONSERVATOR By: /s/ James R. Scott ---------------------------------------- Name: James R. Scott Title: Conservator JAMES R SCOTT TRUST By: /s/ James R. Scott ---------------------------------------- Name: James R. Scott Title: Trustee JAMES R AND CHRISTINE M SCOTT FOUNDATION By: /s/ James R. Scott ---------------------------------------- Name: James R. Scott Title: President JS INVESTMENTS LIMITED PARTNERSHIP By: /s/ James R. Scott ---------------------------------------- Name: James R. Scott Title: Managing Partner JOHN HEYNEMAN JR. By: /s/ John Heyneman ---------------------------------------- Name: John M. Heyneman Jr., as an individual RAE ANN MORSS & JOHN HEYNEMAN JR., TRUSTEES FBO RAE ANN MORSS EXEMPTION TRUST UNDER THE SCOTT FAMILY 1996 TRUST By: /s/ John Heyneman ---------------------------------------- Name: John M. Heyneman Jr. Title: Co-Trustee RIKI RAE SCOTT DAVIDSON & JOHN HEYNEMAN JR., TRUSTEES FBO RIKI SCOTT DAVIDSON EXEMPTION TRUST UNDER THE SCOTT FAMILY 1996 TRUST By: /s/ John Heyneman ---------------------------------------- Name: John M. Heyneman Jr. Title: Co-Trustee TOWANDA INVESTMENTS LIMITED PARTNERSHIP By: /s/ John Heyneman ---------------------------------------- Name: John M. Heyneman Jr. Title: Managing Partner JULIE SCOTT ROSE By: /s/ Julie Scott Rose ---------------------------------------- Name: Julie Scott Rose, as an individual ELIZABETH LAUREN SCOTT ROSE TRUST By: /s/ Julie Scott Rose ---------------------------------------- Name: Julie Scott Rose Title: Trust Advisor FIRST INTERSTATE BANK & JULIE SCOTT ROSE, CO-TTEES OF THE JOAN D SCOTT TRUST DTD 10/16/12 By: /s/ Julie Scott Rose ---------------------------------------- Name: Julie Scott Rose Title: Trustee HARPER GRACE SCOTT TRUST By: /s/ Julie Scott Rose ---------------------------------------- Name: Julie Scott Rose Title: Trustee HARRISON WILLIAM SCOTT TRUST By: /s/ Julie Scott Rose ---------------------------------------- Name: Julie Scott Rose Title: Trustee HOLLAND ELIZABETH SCOTT TRUST By: /s/ Julie Scott Rose ---------------------------------------- Name: Julie Scott Rose Title: Trustee IXL LIMITED LIABILITY COMPANY By: /s/ Julie Scott Rose ---------------------------------------- Name: Julie Scott Rose Title: Designated member JULIANA SARAH SCOTT ROSE TRUST By: /s/ Julie Scott Rose ---------------------------------------- Name: Julie Scott Rose Title: Trust Advisor JULIE A SCOTT ROSE TRUSTEE OF THE JULIE A SCOTT ROSE TRUST DATED 5- 14-2002 By: /s/ Julie Scott Rose ---------------------------------------- Name: Julie Scott Rose Title: Trustee THOMAS W SCOTT By: /s/ Julie Scott Rose ---------------------------------------- Name: Julie Scott Rose Title: Trustee THOMAS W SCOTT TRUST DTD 8/22/95, THOMAS W SCOTT TRUSTEE By: /s/ Julie Scott Rose ---------------------------------------- Name: Julie Scott Rose Title: Trustee HOMER SCOTT JR. By: /s/ Homer Scott Jr. ---------------------------------------- Name: Homer Scott Jr., as an individual HOMER SCOTT JR. TRUST DTD 12/4/78 By: /s/ Homer Scott Jr. ---------------------------------------- Name: Homer Scott Jr. Title: Trustee SHERIDAN STADIUM FOUNDATION By: /s/ Homer Scott Jr. ---------------------------------------- Name: Homer Scott Jr. Title: Board President JAMES R SCOTT JR. By: /s/ James R. Scott ---------------------------------------- Name: James R. Scott Jr., as an individual FIRST INTERSTATE BANK TTEE FOR DANA S ANDERSSON GST EXEMPT TRUST NO 1 DTD 12/11/2020 By: /s/ James R. Scott ---------------------------------------- Name: James R. Scott Jr. Title: Authorized Signatory By: /s/ Hanna Wagner ---------------------------------------- Name: Hanna Wagner Title: Trustee By: /s/ Clarene Westburg ---------------------------------------- Name: Clarene Westburg Title: Trustee FIRST INTERSTATE BANK TTEE FOR JAMES R SCOTT JR. GST EXEMPT TRUST NO 1 DTD 12/11/2020 By: /s/ James R. Scott ---------------------------------------- Name: James R. Scott Jr. Title: Authorized Signatory By: /s/ Hanna Wagner ---------------------------------------- Name: Hanna Wagner Title: Trustee By: /s/ Clarene Westburg ---------------------------------------- Name: Clarene Westburg Title: Trustee JONATHAN SCOTT By: /s/ Jonathan Scott ---------------------------------------- Name: Jonathan Scott, as an individual JONATHAN SCOTT AS TRUSTEE OF THE JONATHAN R SCOTT TRUST DATED AS OF 4/21/04 By: /s/ Jonathan Scott ---------------------------------------- Name: Jonathan Scott Title: Trustee JEREMY PAUL SCOTT By: /s/ Jeremy Scott ---------------------------------------- Name: Jeremy Paul Scott, as an individual JEREMY SCOTT TTEE, JEREMY SCOTT REVOCABLE TRUST DTD 6/25/15 By: /s/ Jeremy Scott ---------------------------------------- Name: Jeremy Paul Scott Title: Trustee NBAR5 Limited Partnership By: /s/ Jeremy Scott ---------------------------------------- Name: Jeremy Scott Title: Managing Member SUSAN S. HEYNEMAN /s/ Susan Heyneman ----------------------------- Name: Susan Heyneman, as an individual JAMES R SCOTT TRUST, JAMES R SCOTT & FIRST INTERSTATE WEALTH MANAGEMENT CO-TTEES /s/ James R Scott ----------------------------- Name: James R Scott Title: Trustee JAMES F HEYNEMAN TRUST, JAMES SCOTT & FIRST INTERSTATE WEALTH MANAGEMENT CO-TRUSTEES /s/ James R Scott ----------------------------- Name: James R Scott Title: Trustee SUSAN SCOTT HEYNEMAN TRUST, SUSAN HEYNEMAN & FIRST INTERSTATE WEALTH MANAGEMENT CO-TRUSTEES /s/ Susan Heyneman ----------------------------- Name: Susan Heyneman Title: Trustee HOMER SCOTT JR TRUST, HOMER SCOTT JR. & FIRST INTERSTATE WEALTH MANAGEMENT CO TRUSTEES /s/ Homer Scott Jr. ----------------------------- Name: Homer Scott Jr. Title: Trustee JOHN M HEYNEMAN JR. TRUST /s/ John M. Heyneman Jr. ----------------------------- Name: John M Heyneman Jr. Title: Trustee IN WITNESS WHEREOF, each of the undersigned has caused this Power of Attorney to be executed as of this 31st day of January, 2022. EXEMPT THOMAS W SCOTT MARITAL TRUST 2 /s/ Julie Scott Rose ----------------------------- Name: Julie Scott Rose Title: Trustee /s/ Kim Smith ----------------------------- Name: Kim Smith Title: Trustee /s/ Kristin Wilkerson ----------------------------- Name: Kristin Wilkerson Title: Trustee
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3 Filing
Scott Risa Kae Form 3FIRST INTERSTATE BANCSYSTEM / K Scott TTEE Risa K Scott Trust Dtd 12/4/15 Risa ownership change
Filed: 11 Feb 22, 2:21pm