X0306 4 2012-10-08 0 0000105132 WD 40 CO WDFC 0001253564 NOBLE WILLIAM B BRICK CLOSE KIIN FARM MILTON KEYNES X0 MK1 13LJ UNITED KINGDOM 0 1 0 0 Managing Director, Europe Common Stock 2012-10-08 4 D 0 1248 D 15340 D Common Stock 2012-10-22 4 D 0 600 D 14740 D Common Stock 2012-10-22 4 D 0 719 D 14021 D Disposition of Performance Share Units (Common Stock equivalents) upon certified performance vesting of Performance Share Units (PSUs) awarded to the reporting person on October 12, 2010. 1,152 vested shares have been issued to the reporting person pursuant to the applicable PSU Award Agreement, subject to withholding for taxes as reported herein. Shares withheld pursuant to mandatory provisions of Performance Share Unit (PSU) Award Agreements in satisfaction of tax withholding obligation upon vesting of 1,152 PSUs (Common Stock equivalents). Shares withheld pursuant to mandatory provisions of Restricted Stock Unit (RSU) Award Agreements in satisfaction of tax withholding obligation upon vesting of 1,380 RSUs (Common Stock equivalents). Total includes 5,138 Restricted Stock Units, of which 1,167 are subject to future vesting, and 1,432 Performance Share Units, all of which are subject to future vesting. Maria M. Mitchell as attorney-in-fact for William B. Noble 2012-10-23