Certification of Chief Financial Officer pursuant to Section 906

EX-32.(B) 9 dex32b.htm CERTIFICATION OF CHIEF FINANCIAL OFFICER PURSUANT TO SECTION 906 Certification of Chief Financial Officer pursuant to Section 906

Exhibit 32(b)

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

I, Jay Rembolt, Vice President and Chief Financial Officer of WD-40 Company (the “Company”), have reviewed the Annual Report on Form 10-K of the Company for the fiscal year ended August 31, 2009 (the “Report”). For purposes of Section 1350 of Title 18, United States Code, I certify that to the best of my knowledge:

(1) the Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

(2) the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: October 16, 2009

/s/ JAY W. REMBOLT

Jay W. Rembolt

Vice President and Chief Financial Officer