Tranche Update on W.W. Grainger, Inc.'s Equity Buyback Plan announced on April 28, 2021.

W.W Grainger, Inc. specializes in professional distribution of industrial supplies and equipment. The group supplies businesses and institutions with maintenance equipment, industrial safety supplies, service and maintenance parts, lighting products, ventilation equipment, pumps and plumbing products, etc. At the end of 2020, products are marketed through a network of 407 branches (of which 287 in the United States and 49 in Canada), 29 distribution centers (of which 17 in the United States and 5 in Canada), through catalogues and the Internet. Net sales are distributed geographically as follows: the United States (72.6%), Canada (4%) and other (23.4%).