X0306 4 2021-10-12 0 0000105132 WD 40 CO WDFC 0001213639 REMBOLT JAY 9715 BUSINESSPARK AVENUE SAN DIEGO CA 92131 0 1 0 0 Vice President Finance & CFO Common Stock 2021-10-12 4 A 0 760 A 40372.137 D Common Stock 2021-10-12 4 A 0 1690 A 42062.137 D Common Stock 2021-10-12 4 A 0 816 A 42878.137 D Restricted Stock Units (Common Stock equivalents) were granted pursuant to the WD-40 Company 2016 Stock Incentive Plan. The Restricted Stock Units (RSUs) will be settled solely with Issuer Common Stock upon an annual vesting schedule as provided for in the Award Agreement for the RSUs as follows: 34% not later than November 15, 2022, 33% not later than November 15, 2023, and 33% not later than November 15, 2024. Acquisition of vested Market Share Units (Common Stock equivalents) upon certified performance vesting of Market Share Units (MSUs) awarded to the reporting person on October 8, 2018, pursuant to the WD-40 Company 2016 Stock Incentive Plan. Vested MSUs will be settled solely with Issuer Common Stock not later than November 15, 2021. Acquisition of vested Performance Share Units (Common Stock equivalents) upon certified performance vesting of Performance Share Units (PSUs) awarded to the reporting person on October 12, 2020, pursuant to the WD-40 Company 2016 Stock Incentive Plan. Vested PSUs will be settled solely with Issuer Common Stock not later than November 15, 2021. Total includes 6,610.137 shares held in WD-40 Company Profit Sharing Plan (Company Stock Fund) account. Total also includes 2,317 RSUs, all of which are subject to future vesting, 1,690 vested MSUs, 816 vested PSUs, and 310 vested Deferred Performance Units (Common Stock equivalents). Richard T. Clampitt, attorney-in-fact for Jay Rembolt 2021-10-14