X0206 3 2018-10-31 0 0000277135 GRAINGER W W INC GWW 0001757570 Merriwether Deidra C 100 GRAINGER PARKWAY LAKE FOREST IL 60045 0 1 0 0 Sr. VP (See Remarks) Common Stock 5092 D Stock Option 248.22 2017-04-30 2024-04-29 Common Stock 2127 D Stock Option 231.88 2018-04-01 2025-03-31 Common Stock 2496 D Stock Option 234.38 2019-04-01 2026-03-31 Common Stock 2860 D Stock Option 231.20 2020-04-03 2027-04-02 Common Stock 2318 D Stock Option 276.64 2021-04-02 2028-04-01 Common Stock 3123 D Reporting Person's full title is Senior Vice President, U.S. Direct Sales and Strategic Initiatives. Exhibits: Exhibit 24 - Power of Attorney Hugo Dubovoy, as attorney-in-fact 2018-11-02