Aon plc — Director's Dealing 2022

Feb 22, 2022

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Aon plc (AON)
CIK: 0000315293
Period of Report: 2022-02-17

Reporting Person: Neller Michael (Principal Accounting Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2022-02-17	Class A Ordinary Stock	A	4138	—	Acquired	4553	Direct
2022-02-17	Class A Ordinary Stock	F	1375	$281.04	Disposed	3178	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2022-02-17	Restricted Share Unit (Right to Receive)	$	A	438	Acquired	2025-02-17	Class A Ordinary Shares (438)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Class A Ordinary Stock	3536	Indirect

Footnotes

F1: Represents Class A Ordinary Shares issued upon the settlement of performance share unit awards originally granted approximately three years ago under the fourteenth cycle of the Company's Leadership Performance Program. The number of shares issued was determined by the Organization and Compensation Committee of the Board of Directors on February 17, 2022, based on the Company's performance for the period
from January 1, 2019 to December 31, 2021.

F2: Class A Ordinary Shares withheld by the issuer for payment of withholding taxes in connection with the vesting of the award.

F3: 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 US$0.01 per share issued to the reporting person.

F4: The restricted share unit award vests in accordance with the terms of the Aon plc 2011 Incentive Compensation Plan as follows: 33 1/3% of the
award vests on each of the first through third anniversary of the date of the grant.