On February 13, 2024, Carolyn Y. Woo informed Aon plc of her decision to retire from the Company?s Board of Directors after 25 years, effective upon the completion of her current term at the Company?s 2024 Annual General Meeting. Dr. Woo informed the Company that her retirement is not due to any disagreements with the Company on any matter relating to the Company?s operations, policies or practices.