EX-32.2 5 ex_836327.htm EXHIBIT 32.2

Exhibit 32.2

CERTIFICATION

I, John J. Corkrean, in connection with the Quarterly Report of H.B. Fuller Company on Form 10-Q for the quarter ended August 30, 2025 (the “Report”), hereby certify that:

| (a) | the Report 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

| (b) | the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of H.B. Fuller Company.

Date: September 25, 2025

/s/ John J. Corkrean |
John J. Corkrean Executive Vice President, Chief Financial Officer |