Transaction Details

Footnotes

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $405.565 to $405.59, inclusive. The reporting person undertakes to provide to Group 1 Automotive, Inc., any security holder of Group 1 Automotive, 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 footnote 4 to this Form 4. | Includes shares purchased in the Group 1 Automotive, Inc. Employee Stock Purchase Plan. The plan provides for a stock purchase discount of 15%, and is calculated using the stock closing price of the first or last day of the quarter, whichever is lower.