EXHIBIT 32.2

CERTIFICATION OF PRINCIPAL FINANCIAL OFFICER PURSUANT TO 18 U.S.C. SECTION 1350
AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, I, Nathan Duda, the Chief Financial Officer of Mechanics Bancorp, (the "Company"), hereby certify, that, to my knowledge:
1.The Quarterly Report on Form 10-Q for the quarter ended September 30, 2025 (the "Report") of the Company fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and
2.The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.
Dated:November 17, 2025By:/s/ Nathan Duda
Nathan Duda
Executive Vice President and Chief Financial Officer