EX-32 4 banr-09302025xex32.htm EX-32
EXHIBIT 32
CERTIFICATION OF CHIEF EXECUTIVE OFFICER AND CHIEF FINANCIAL OFFICER
OF BANNER CORPORATION
PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
The undersigned hereby certify in his capacity as an officer of Banner Corporation, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 and in connection with this Quarterly Report on Form 10-Q, that:
•the report fully complies with the requirements of Sections 13(a) and 15(d) of the Securities Exchange Act of 1934, as amended, and
•the information contained in the report fairly presents, in all material respects, the Company’s financial condition and results of operations as of the dates and for the periods presented in the financial statements included in such report.

November 4, 2025 |  | /s/ Mark J. Grescovich
|  | Mark J. Grescovich
|  | Chief Executive Officer
November 4, 2025 |  | /s/ Robert G. Butterfield
|  | Robert G. Butterfield
|  | Chief Financial Officer