X0306 4 2022-05-06 0 0000049826 ILLINOIS TOOL WORKS INC ITW 0001124194 CROWN SUSAN 222 NORTH LASALLE STREET SUITE 2000 CHICAGO IL 60601 1 0 0 0 Common Stock 2022-05-06 4 A 0 812 209.27 A 54045.22 D Common Stock 4000 I See ftn. Common Stock 4000 I See ftn. Phantom Stock Units Common Stock 6620.43 6620.43 D Includes 16,418.22 shares of deferred stock under the ITW Director's Deferred Fee Plan as of May 6, 2022. Owned by trusts of which Reporting Person's children are beneficiaries. Owned by Reporting Person's spouse. Represents units of phantom stock held by the Reporting Person as of May 6, 2022 under the Phantom Stock Plan for non-officer directors. Each unit is equal in value to one share of common stock. The units are nontransferrable and have no voting rights. Additional units are credited in amounts equivalent in cash dividends paid on the common stock reported as of May 6, 2022. The Reporting Person disclaims ownership of the shares described in Footnotes 2 and 3 except to the extent of her pecuniary interest. /s/ Susan Crown 2022-05-10