Transaction Details

Footnotes

Shares gifted by Ms. Thomson's Family Trust to the reporting person. | Shares held in a trust for which Ms. Thomson is the sole trustee and members of her family are indirect beneficiaries. | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1,041.48 to $1,042.33, inclusive. The reporting person undertakes to provide W. W. Grainger, Inc., any security holder of W. W. Grainger, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1,042.84 to $1,043.69. The reporting person undertakes to provide W. W. Grainger, Inc., any security holder of W. W. Grainger, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1,044.10 to $1,045.08. The reporting person undertakes to provide W. W. Grainger, Inc., any security holder of W. W. Grainger, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1,045.10 to $1,046.05. The reporting person undertakes to provide W. W. Grainger, Inc., any security holder of W. W. Grainger, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1,046.14 to $1,046.90. The reporting person undertakes to provide W. W. Grainger, Inc., any security holder of W. W. Grainger, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1,049.04 to $1,049.44. The reporting person undertakes to provide W. W. Grainger, Inc., any security holder of W. W. Grainger, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.