Transaction Details

Footnotes

This transaction was executed at multiple prices ranging from $288.19 to $289.19. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, Illinois Tool Works Inc. or a shareholder of Illinois Tool Works Inc. full information regarding the number of shares and prices at which the transaction was effected. | This transaction was executed at multiple prices ranging from $289.25 to $290.25. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, Illinois Tool Works Inc. or a shareholder of Illinois Tool Works Inc. full information regarding the number of shares and prices at which the transaction was effected. | This transaction was executed at multiple prices ranging from $290.26 to $291.24. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, Illinois Tool Works Inc. or a shareholder of Illinois Tool Works Inc. full information regarding the number of shares and prices at which the transaction was effected. | This transaction was executed at multiple prices ranging from $291.29 to $292.29. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, Illinois Tool Works Inc. or a shareholder of Illinois Tool Works Inc. full information regarding the number of shares and prices at which the transaction was effected. | This transaction was executed at multiple prices ranging from $292.30 to $293.30. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, Illinois Tool Works Inc. or a shareholder of Illinois Tool Works Inc. full information regarding the number of shares and prices at which the transaction was effected. | This transaction was executed at multiple prices ranging from $293.31 to $293.65. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, Illinois Tool Works Inc. or a shareholder of Illinois Tool Works Inc. full information regarding the number of shares and prices at which the transaction was effected. | Includes 4,747 shares of deferred stock under the ITW Directors' Deferred Fee Plan as of February 4, 2026. | Stock options vest in four (4) equal annual installments beginning on February 15, 2019 (grant date), and became fully exercisable on February 15, 2023.