Transaction Details

Footnotes

Class A Ordinary Shares acquired upon the vesting of a restricted share unit award. | Class A Ordinary Shares withheld by the issuer for payment of taxes in connection with the vesting of the award. | Includes shares acquired under the Aon employee stock purchase plan on June 30, 2025. | The restricted share unit award converts to Class A Ordinary Shares on a 1-for-1 basis. In accordance with Irish law, the reporting person agreed to pay the issuer the nominal value of $0.01 per share issued to the reporting person. | A restricted share unit award was granted on November 21, 2022 and vests in accordance with the terms of the Aon plc 2011 Incentive Compensation Plan, as amended and restated: 33 1/3 of the award vests on each of the first through third anniversary of the date of grant.