Exhibit 32

Certification of periodic report

pursuant to section 906 of the sarbanes-oxley act of 2002

I, David Harlow, Chief Executive Officer and Hannah Andrus, Chief Financial Officer of BancFirst Corporation (the “Company”), certify, pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, 18 U.S.C. Section 1350, that:

(1)

The Quarterly Report on Form 10-Q of the Company for the period ended June 30, 2025 (the “Form 10-Q”) fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934 (15 U.S.C. 78m or 78o(d)); and

(2)

The information contained in the Form 10-Q fairly presents, in all material respects, the financial condition and results of operations of the Company.

Dated: August 5, 2025

     /s/ David Harlow

    

     David Harlow

    

     President and Chief Executive Officer

    

     (Principal Executive Officer) 

    

     /s/ Hannah Andrus

    

     Hannah Andrus

    

     Executive Vice President

    

     and Chief Financial Officer

    

     (Principal Financial Officer) 

    

BANCFIRST CORP /OK/ 10-Q