Aon plc — Director's Dealing 2012

Aug 7, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Aon plc (AON)
CIK: 0000315293
Period of Report: 2012-08-03

Reporting Person: Levin Matthew (EVP - Head of Global Strategy)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-08-03	Class A Ordinary Shares	M	8360	—	Acquired	8360	Direct
2012-08-03	Class A Ordinary Shares	F	2629	$49.53	Disposed	5731	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-08-03	Restricted Stock Unit Award (Right to Receive)	$	M	8360	Disposed		Class A Ordinary Shares (8360)	Direct

Footnotes

F1: Class A Ordinary Shares acquired upon the vesting of a restricted stock unit award. 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 vesting of a restricted stock unit award.

F3: The restricted stock unit award converts to Class A Ordinary Shares on a 1-for-1 basis. 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.

F4: The restricted stock units vest in accordance with the terms of the issuer's 2011 Incentive Plan as follows: 20% of the award on each of the first through fifth anniversaries of the August 1, 2011 grant date.