Aon plc — Director's Dealing 2012

Apr 16, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Aon plc (AON)
CIK: 0000315293
Period of Report: 2012-04-12

Reporting Person: JANNOTTA EDGAR D (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-04-12	Class A Ordinary Shares	M	13611.21	—	Acquired	53763.21	Direct
2012-04-12	Class A Ordinary Shares	D	13611.21	$49.06	Disposed	40152	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-04-12	Phantom Stock	$	M	13611.21	Disposed	2012-04-12	Class A Ordinary Shares (13611.21)	Direct

Footnotes

F1: On April 12, 2012, certain phantom stock units held by the reporting person were settled for cash as a result of the termination of a prior deferred compensation plan.

F2: The phantom stock units convert to Class A Ordinary Shares of Aon on a 1-for-1 basis.

F3: The phantom stock units represent an outside director fee that was deferred into a directors' deferred compensation arrangement.

F4: The phantom stock units will be paid in cash or Aon Class A Ordinary Shares on a distribution date elected by the reporting person.

F5: Includes shares acquired pursuant to dividend reinvestment.