Aon plc — Director's Dealing 2014

May 20, 2014

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Aon plc (AON)
CIK: 0000315293
Period of Report: 2014-05-15

Reporting Person: Besio Gregory J (EVP/Chief HR Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2014-05-15	Class A Ordinary Shares	S	5000	$85.231	Disposed	92821.34	Direct
2014-05-15	Class A Ordinary Shares	S	5000	$85.758	Disposed	87821.34	Direct

Footnotes

F1: The sales reported in this Form 4 were effected pursuant to a trading plan meeting the requirements of SEC Rule 10b5-1.

F2: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $84.86 to $85.38, inclusive. The reporting person undertakes to provide to Aon plc, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $85.48 to $85.99, inclusive. The reporting person undertakes to provide to Aon plc, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote