Transaction Details

Footnotes

The sales reported in this Form 4 were affected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 26, 2024. | The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $292.51-293.50, inclusive. Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities & Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote. | Includes shares that have a time-based vesting provision. | The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $293.60-294.58, inclusive. Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities & Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote. | The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $295.18-296.16, inclusive. Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities & Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote. | The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $296.37-297.03, inclusive. Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities & Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote. | The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $297.46-298.31, inclusive. Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities & Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote. | The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $299.48-300.39, inclusive. Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities & Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote. | The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $300.49-301.44, inclusive. Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities & Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote. | The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $301.52-302.40, inclusive. Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities & Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote. | The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $302.66-303.56, inclusive. Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities & Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote.