SEC FORM 3

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

Legris Yvan

(Last)

(First)

(Middle)

10 DEVONSHIRE SQUARE

(Street)

LONDON

EC2M 4PL

(City)

(State)

(Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
06/12/2012

3. Issuer Name and Ticker or Trading Symbol
Aon plc [ AON ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	CEO EMEA - Aon Hewitt

5. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
Restricted Stock Unit Award (Right to Receive)	03/15/2013	03/15/2017	Class A Ordinary Shares	12,808⁽²⁾	⁽¹⁾	D
Restricted Stock Unit Award (Right to Receive)	03/15/2013	03/15/2015	Class A Ordinary Shares	5,715⁽³⁾	⁽¹⁾	D

Explanation of Responses:

1. The restricted stock unit award will convert to Aon Class A Ordinary Shares on a 1-for-1 basis.

2. Of this amount, 2,561 restricted stock units will vest on each of March 15, 2013 and March 15, 2014 and 2,562 restricted stock units will vest on each of March 15, 2015, March 15, 2016 and March 15, 2017.

3. Of this amount, 1,905 restricted stock units will vest on each of March 15, 2013, March 15, 2014 and March 15, 2015.

Remarks:

Exhibit List: Exhibit 24 - Power of Attorney of Yvan Legris.

	/s/ Matthew M. Rice - Matthew M. Rice pursuant to a power of attorney from Yvan Legris	06/14/2012
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.