Aon plc — Director's Dealing 2013

May 21, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Aon plc (AON)
CIK: 0000315293
Period of Report: 2013-05-17

Reporting Person: Conti Fulvio (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-05-17	Class A Ordinary Shares	A	2188	—	Acquired	15818	Direct
2013-05-17	Class A Ordinary Shares	F	499	$66.29	Disposed	15319	Direct

Footnotes

F1: Class A Ordinary Shares granted annually to each non-employee director of Aon plc. In accordance with U.K. law, the reporting person agreed to pay the issuer the nominal value of US$0.01 per share issued to the reporting person.

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