X0407 4 2023-04-01 0 0000277135 W.W. GRAINGER, INC. GWW 0001726862 Carroll Kathleen S 100 GRAINGER PARKWAY LAKE FOREST IL 60045 0 1 0 0 SVP & Chief HR Officer 0 Common Stock 2023-04-01 4 A 0 855 0.00 A 4130 D Common Stock 2023-04-01 4 F 0 379 688.81 D 3751 D Common Stock 2023-04-01 4 A 0 848 0.00 A 4599 D Common Stock 2023-04-01 4 F 0 103 688.81 D 4496 D Common Stock 2023-04-01 4 F 0 80 688.81 D 4416 D Common Stock 2023-04-01 4 F 0 148 688.81 D 4268 D These were performance vested stock units ("PSUs"), granted on January 1, 2020. The Company's performance over the three-year period ended December 31, 2022 achieved a payout equal to 123% of the 2020 PSU program target, as approved by the Board of Directors of the Company (the "Board") acting in executive session with only independent directors participating, on February 15, 2023, upon the earlier determination of the Compensation Committee of the Board. Shares withheld for tax withholding for the PSU settlement described in footnote 1 above. April 1, 2023 award of restricted stock units to be settled after vesting by the delivery of unrestricted shares of common stock on a one-for-one basis. This award will vest in three tranches, where 1/3 vests on April 1, 2024, 1/3 vests on April 1, 2025, and the remainder vests on April 1, 2026. Shares withheld for tax withholding for the partial settlement of the 4/1/2020 award of restricted stock units (RSUs). The RSU award is to be settled after vesting by the delivery of unrestricted shares of common stock on a one-for-one basis. This award will vest in three tranches, where 1/3 vests on April 1, 2021, 1/3 vests on April 1, 2022, and the remainder vests on April 1, 2023. Shares withheld for tax withholding for the partial settlement of the 4/1/2021 award of restricted stock units (RSUs). The RSU award is to be settled after vesting by the delivery of unrestricted shares of common stock on a one-for-one basis. This award will vest in three tranches, where 1/3 vests on April 1, 2022, 1/3 vests on April 1, 2023, and the remainder vests on April 1, 2024. Shares withheld for tax withholding for the partial settlement of the 4/1/2022 award of restricted stock units (RSUs). The RSU award is to be settled after vesting by the delivery of unrestricted shares of common stock on a one-for-one basis. This award will vest in three tranches, where 1/3 vests on April 1, 2023, 1/3 vests on April 1, 2024, and the remainder vests on April 1, 2025. James Colin McGee, by POA From Kathleen S. Carroll, SVP and CHRO 2023-04-04