On September 9, 2022, Illinois Tool Works Inc.'s board of directors elected Kelly J. Grier as a director, effective immediately, to serve until the May 2023 Annual Meeting and determined her to be independent. Ms. Grier, age 53, retired as US Chair and Managing Partner/Chief Executive Officer of Ernst & Young LLP (“EY”) in July 2022, having served in that capacity since 2018. Ms. Grier had over 30 years of service at EY, serving in various roles with increasing levels of responsibility.

Ms. Grier has been appointed to the Audit and Finance Committees of the company.