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 for the quarterly period ended June 30, 2022, 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.

August 4, 2022	/s/ Mark J. Grescovich
	Mark J. Grescovich
	Chief Executive Officer
August 4, 2022	/s/ Peter J. Conner
	Peter J. Conner
	Chief Financial Officer

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