Aon plc — Director's Dealing 2011

Aug 3, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AON CORP (AON)
CIK: 0000315293
Period of Report: 2011-08-01

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

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-08-01	Restricted Stock Units (Right to Receive)	$	A	41797	Acquired		Common Stock (41797)	Direct

Footnotes

F1: The restricted stock units convert to shares of Aon common stock on a 1-for-1 basis.

F2: The restricted stock units vest in accordance with the terms of the Aon Corporation 2011 Incentive Plan as follows: 20% of the award on each of the first through fifth anniversaries of the August 1, 2011 grant date.