Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
Davies Christa
   2. Issuer Name and Ticker or Trading Symbol
Aon plc [AON] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
EVP and CFO
(Last)
(First)
(Middle)
C/O AON PLC, 8 DEVONSHIRE SQUARE		 3. Date of Earliest Transaction (Month/Day/Year)
02/19/2015
(Street)

LONDON, X0 EC2M 4PL		 4. If Amendment, Date 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
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)		 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)		 4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)		 5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)		 6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)		 7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Class A Ordinary Shares 02/19/2015   M(1)   358,988 A (1) 571,067 D  
Class A Ordinary Shares 02/19/2015   F(2)   150,582 D $ 100.28 420,485 D  
Class A Ordinary Shares 02/20/2015   S(3)   188,597 D $ 99.77 (4) 231,888 D  
Class A Ordinary Shares 02/20/2015   S(3)   19,809 D $ 100.342 (5) 212,079 D  

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)		 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)		 5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)		 6. Date Exercisable and Expiration Date
(Month/Day/Year)		 7. Title and Amount of Underlying Securities
(Instr. 3 and 4)		 8. Price of Derivative Security
(Instr. 5)		 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)		 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)		 11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Restricted Share Unit (Right to Receive) (6) 02/19/2015   A   5,323   02/19/2016(7) 02/19/2018 Class A Ordinary Shares 5,323 $ 0 5,323 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Davies Christa
C/O AON PLC
8 DEVONSHIRE SQUARE
LONDON, X0 EC2M 4PL		       EVP and CFO  

Signatures

 /s/ Matthew M. Rice - by Matthew M. Rice pursuant to a power of attorney from Christa Davies   02/23/2015
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(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).
(1) Represents Class A Ordinary Shares issued upon the settlement of performance share units originally granted approximately three years ago under the seventh cycle of the Leadership Performance Program ("LPP7") on March 16, 2012. The number of shares issued was determined by the Organization and Compensation Committee of Aon's Board of Directors on February 19, 2015 based upon Aon's performance relative to a cumulative adjusted three year earnings per share target for the period beginning January 1, 2012 and ending December 31, 2014. In accordance with the terms of LPP7, and the achievement of specified growth targets under LPP7, settlement occurred at 200% of the original target value. The terms of LPP7 are more fully described in a Current Report on Form 8-K filed with the SEC on March 21, 2012, and in the plan document filed as Exhibit 10.13 to Aon's Quarterly Report on Form 10-Q for the quarter ended March 31, 2012 filed with the SEC on May 8, 2012.
(2) Class A Ordinary Shares withheld by the issuer for the payment of withholding taxes in connection with the settlement of a performance share unit award.
(3) The transactions reported were effected pursuant to a trading plan meeting the requirements of SEC Rule 10b5-1.
(4) The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $99.24 to $100.23, inclusive. The reporting person undertakes to provide to Aon plc, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
(5) The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $100.24 to $100.49, inclusive. The reporting person undertakes to provide to Aon plc, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
(6) The restricted share 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.
(7) The restricted share unit award will vest in accordance with the terms of the Aon plc 2011 Incentive Plan as follows: 33 1/3% of the awards will vest on each of the first through third anniversaries of the date of the grant.

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