Aon plc — Director's Dealing 2010

Jun 3, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AON CORP (AOC)
CIK: 0000315293
Period of Report: 2010-06-01

Reporting Person: NOTEBAERT RICHARD C (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-06-01	Common Stock	M	2029	—	Acquired	13529	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-06-01	Deferred Stock Unit Award (Right to Receive)	$	M	2029	Disposed	2010-06-01	Common Stock (2029)	Direct

Footnotes

F1: Shares of common stock acquired upon the vesting of a deferred stock unit award.

F2: Includes 85 shares of common stock acquired pursuant to dividend reinvestment.

F3: The deferred stock unit award converts to shares of common stock on a 1-for-1 basis.