Other Events On August 27, 2026, the Board of Directors (the “Board”) of Glacier Bancorp, Inc. (the “Company”), appointed Byron Pollan to serve as Senior Vice President in the newly created position of Deputy Chief Financial Officer of the Company and Glacier Bank, effective September 1, 2026. Upon Ron Copher’s previously announced retirement, now planned for mid-2027, Mr. Pollan will become an Executive Vice President and Chief Financial Officer of the Company and Glacier Bank, succeeding Mr…

and the Exhibit attached hereto is furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such document or filing.

and the Exhibit attached hereto is furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such document or filing.

CFO — Ron J. Copher: The CFO plans to retire after a successor is appointed and will serve as an advisor during the transition.

and the Exhibit attached hereto is furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such document or filing.

and the Exhibit attached hereto is furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such document or filing.

Other Events On October 1, 2025, Glacier Bancorp, Inc. (“Glacier”) issued a press release announcing the completion of Glacier’s acquisition of Guaranty Bancshares, Inc. and its wholly owned subsidiary Guaranty Bank & Trust, N.A., effective October 1, 2025. A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated by reference.

Other Events. As previously announced, on June 24, 2025, Glacier Bancorp, a Montana corporation (“GBCI” or “Glacier”) and its wholly owned subsidiary, Glacier Bank, a Montana state-chartered bank, entered into a Plan and Agreement of Merger (the “Merger Agreement”) with Guaranty Bancshares, Inc., a Texas corporation (“GNTY or “Guaranty”) and its wholly owned subsidiary, Guaranty Bank & Trust, N.A., a national banking association (“Guaranty Bank”), pursuant to which (i) Guaranty will merge wit…

and the Exhibit attached hereto is furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such document or filing.

Entry into a Material Definitive Agreement. On June 24, 2025, Glacier Bancorp, Inc., a Montana corporation (“GBCI”), and its wholly owned subsidiary, Glacier Bank, entered into a Plan and Agreement of Merger (the “Merger Agreement”) with Guaranty Bancshares, Inc., a Texas corporation (“GNTY”), and its wholly owned subsidiary, Guaranty Bank & Trust, N.A., a national banking association (“Guaranty Bank”). Under the terms of the Merger Agreement, GNTY will merge with and into GBCI, with GBCI as…

Other Events. On June 24, 2025, GBCI and its wholly owned subsidiary, Glacier Bank, entered into a Plan and Agreement of Merger (the “Merger Agreement”) with GNTY and its wholly owned subsidiary, Guaranty Bank & Trust, N.A. (“Guaranty Bank”), pursuant to which, subject to the satisfaction or waiver of certain conditions set forth in the Merger Agreement, GNTY will merge with and into GBCI (the “Merger”), with GBCI as the surviving corporation in the Merger. Immediately thereafter, Guaranty Ba…

Other Events On May 1, 2025, Glacier Bancorp, Inc. (“Glacier”) issued a press release announcing the completion of Glacier’s acquisition of Bank of Idaho Holding Co. and its wholly owned subsidiary Bank of Idaho, effective April 30, 2025. A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated by reference.

and the Exhibit attached hereto is furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such document or filing.

Other Events On April 9, 2025, Glacier Bancorp, Inc. (“Glacier”) issued a press release announcing that all regulatory approvals required in connection with its previously announced acquisition of Bank of Idaho Holding Co. (“BOID”) and its bank subsidiary, Bank of Idaho, have been received. A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated by reference. Forward-Looking Statements This current report on Form 8-K contains forward-looking statements within the me…

and the Exhibit attached hereto is furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such document or filing.

Other Events On January 13, 2025, GBCI and its wholly owned subsidiary, Glacier Bank, entered into a Plan and Agreement of Merger (the “Merger Agreement”) with Bank of Idaho Holding Co. (“BOID”) and its wholly owned subsidiary, Bank of Idaho. Under the terms of the Merger Agreement, BOID will merge with and into GBCI, with GBCI as the surviving entity (the “Holding Company Merger”). Immediately thereafter, Bank of Idaho will merge with and into Glacier Bank, with Glacier Bank surviving as a w…

Chief Administrative Officer — Ryan Screnar: The filing announces the internal promotion of Ryan Screnar to Chief Administrative Officer to succeed Don Chery, who is retiring in an orderly succession.

Director — Beth Noymer Levine: The filing discloses the routine election of a new independent director to the board, which is a standard governance event and not a departure of a senior executive.

and the Exhibit attached hereto is furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such document or filing.

and the Exhibit attached hereto is furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such document or filing.

and the Exhibit attached hereto is furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such document or filing.