Aon plc — Director's Dealing 2012

Aug 10, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Aon plc (AON)
CIK: 0000315293
Period of Report: 2012-08-08

Reporting Person: Clement Philip (Global Chief Marketing Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-08-08	Class A Ordinary Shares	S	20000	$50.526	Disposed	31635	Direct
2012-08-09	Class A Ordinary Shares	M	10782	$37.10	Acquired	42417	Direct
2012-08-09	Class A Ordinary Shares	M	9218	$40.91	Acquired	51635	Direct
2012-08-09	Class A Ordinary Shares	S	24635	$51.373	Disposed	27000	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-08-09	Employee Share Option (Right to Buy)	$37.10	M	10782	Disposed	2013-03-15	Class A Ordinary Shares (10782)	Direct
2012-08-09	Employee Share Option (Right to Buy)	$40.91	M	9218	Disposed	2014-03-13	Class A Ordinary Shares (9218)	Direct

Footnotes

F1: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $50.44 to $50.68, 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.

F2: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $51.24 to $51.56, 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: Vesting of the options occurred in accordance with the terms of the Aon Stock Incentive Plan as follows: 33.34% of the options vested on the first anniversary of the date of grant, and 33.33% of the options vested on each of the second and third anniversaries of the date of grant. The date of grant was March 15, 2007.

F4: Share option granted pursuant to the Aon Stock Incentive Plan.

F5: Vesting of the options occurred in accordance with the terms of the Aon Stock Incentive Plan as follows: 33.34% of the options vested on the first anniversary of the date of grant, and 33.33% of the options vested on each of the second and third anniversaries of the date of grant. The date of grant was March 13, 2008.