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: KNIGHT LESTER B (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-05-17	Class A Ordinary Shares	A	5205	—	Acquired	5205	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Class A Ordianry Shares	50000	Indirect
Class A Ordinary Shares	65538	Indirect

Footnotes

F1: Class A Ordinary Shares granted annually to each non-employee director of Aon plc and for the reporting person's service as the non-Executive Chairman 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.