Aon plc — Director's Dealing 2015

May 13, 2015

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Aon plc (AON)
CIK: 0000315293
Period of Report: 2015-05-11

Reporting Person: McGill Stephen P (Chairman/CEO - ARS)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2015-05-11	Class A Ordinary Shares	S	9955	$100.034	Disposed	229276	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Class A Ordinary Shares	150000	Indirect

Footnotes

F1: The transactions reported 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 $100.000 to $100.118, 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.