Henry 10-Q 2002 Q2 Quarterly report

Exhibit 99.1

CERTIFICATION BY CHIEF EXECUTIVE OFFICER PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

                In connection with the Quarterly Report on Form 10-Q of Henry Company (the “Company”) for the period ended June 30, 2002 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Warner Henry, Chief Executive Officer of the Company, certify, pursuant 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

(1)  the Report 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.

/s/  Warner Henry                         

Warner Henry
Chief Executive Officer
August 14, 2002