X0303 4 2010-10-20 0 0000105132 WD 40 CO WDFC 0001213639 REMBOLT JAY 1061 CUDAHY PLACE SAN DIEGO CA 92110 0 1 0 0 Vice President Finance & CFO Common Stock 2010-10-20 4 D 0 836 39.16 D 17098 D Shares withheld pursuant to mandatory provisions of Restricted Stock Unit (RSU) Award Agreements in satisfaction of tax withholding obligation upon vesting of 2,277 RSUs (Common Stock equivalents) Total includes 5,023 shares held in WD-40 Company Profit Sharing Plan (Company Stock Fund) account - estimated number of shares based upon equivalent value of units held. Total also includes 4,388 Restricted Stock Units, all of which are subject to future vesting, and 4,800 Performance Share Units, all of which are subject to future vesting. Maria M. Mitchell as attorney-in-fact for Jay Rembolt 2010-10-22