X0306 4 2016-10-28 0 0000105132 WD 40 CO WDFC 0001191649 RIDGE GARRY O 1061 CUDAHY PLACE SAN DIEGO CA 92110 1 1 0 0 President & CEO Common Stock 2016-10-28 4 D 0 2364 D 91286.032 D Common Stock 2016-10-28 4 D 0 3436 D 87850.032 D Common Stock 12400.432 I By Spouse Shares withheld pursuant to mandatory provisions of Restricted Stock Unit (RSU) Award Agreements in satisfaction of tax withholding obligation upon settlement of 4,584 RSUs (Common Stock equivalents). Shares withheld pursuant to mandatory provisions of Market Share Unit (MSU) Award Agreements in satisfaction of tax withholding obligation upon settlement of 9,142 MSUs (Common Stock equivalents). Total includes 1,229.032 shares held in WD-40 Company Profit Sharing Plan (Company Stock Fund) account. Total also includes 14,620 Restricted Stock Units, of which 8,736 are subject to future vesting, and 9,183 Market Share Units, all of which are subject to future vesting. The reporting person disclaims beneficial ownership of these shares and this report of indirect beneficial ownership shall not be deemed an admission that the reporting person is, for purposes of Section 16 of the Act or otherwise, the beneficial owner of such shares. Richard T. Clampitt, as attorney-in-fact for Garry O. Ridge 2016-10-31