Carolyn Y. Woo Informs Aon plc of Her Decision to Retire from the Board of Directors

Aon plc is the world leader in risk management and insurance brokerage. The activity is organized around two sectors of activity: - risk management and insurance and reinsurance brokerage: risk management (business risks, environmental risks, retraining and restructuring risks, etc.), and implementation of insurance plans for civil liability, property damage, etc.; - human capital consulting services: consulting services regarding remuneration, company benefits, recruiting, retirement, etc. Net sales are distributed geographically as follows: the United States (44.3%), Americas (9.4%), United Kingdom (13.6%), Ireland (0.8%), Europe/Middle East/Africa (20%) and Asia/Pacific (11.9%).