Washington, D.C. 20549



(Rule 14a-101)


Information Required In Proxy Statement




Proxy Statement Pursuant to Section 14(a) of the

Securities Exchange Act of 1934

(Amendment No.      )



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*** Exercise Your Right to Vote ***

Important Notice Regarding the Availability of Proxy Materials for the

Stockholder Meeting to Be Held on June 1, 2015.




Meeting Information


 Meeting Type:         Annual Meeting


 For holders as of:    April 8, 2015


 Date:    June 1, 2015

   Time:    3:00 PM BST


 Location:  Arthur J. Gallagher & Co.

       The Walbrook Building

       25 Walbrook Place

       London, EC4N 8AW, England







ITASCA, IL 60143-3141


You are receiving this communication because you hold shares in the company named above.


This is not a ballot. You cannot use this notice to vote these shares. This communication presents only an overview of the more complete proxy materials that are available to you on the Internet or by mail if you so request. You may view the proxy materials online at or easily request a paper copy (see reverse side).



We encourage you to access and review all of the important information contained in the proxy materials before voting.



 See the reverse side of this notice to obtain

 proxy materials and voting instructions.


  Before You Vote  

How to Access the Proxy Materials



Proxy Materials Available to VIEW or RECEIVE:

1. Annual Report                 2. Notice & Proxy Statement
How to View Online:


Have the information that is printed in the box marked by the arrow LOGO (located on the following page) and visit:

How to Request and Receive a PAPER or E-MAIL Copy:


If you want to receive a paper or e-mail copy of these documents, you must request one. There is NO charge for requesting a copy. Please choose one of the following methods to make your request:


2) BY TELEPHONE: 1-800-579-1639
3) BY E-MAIL*:

*  If requesting materials by e-mail, please send a blank e-mail with the information that is printed in the box marked by the arrow LOGO (located on the following page) in the subject line.


Requests, instructions and other inquiries sent to this e-mail address will NOT be forwarded to your investment advisor. Please make the request as instructed above on or before May 18, 2015 to facilitate timely delivery.



  How To Vote  

Please Choose One of the Following Voting Methods




Vote In Person: Please check the proxy materials for any special requirements for meeting attendance. Stockholders interested in attending the meeting in person may obtain directions to The Walbrook Building at At the meeting, you will need to request a ballot to vote.


Vote By Internet: To vote by Internet, go to Have the information that is printed in the box marked by the arrow LOGO (located on the following page) available and follow the instructions.


Vote By Mail: You can vote by mail by requesting a paper copy of the materials, which will include a proxy card.


Voting Items



The Board of Directors recommends you vote

FOR the following:

1. Election of Directors
1a. Sherry S. Barrat
1b. William L. Bax
1c. D. John Coldman
1d. Frank E. English, Jr.
1e. J. Patrick Gallagher, Jr.
1f. Elbert O. Hand
1g. David S. Johnson
1h. Kay W. McCurdy
1i. Norman L. Rosenthal




The Board of Directors recommends you vote FOR proposals 2, 3, 4 and 5.

2. Ratification of the Appointment of Ernst & Young LLP as our Independent Auditor
3. Approval of the Arthur J. Gallagher & Co. Employee Stock Purchase Plan
4. Approval of the Arthur J. Gallagher & Co. Senior Management Incentive Plan
5. Approval of the Compensation of our Named Executive Officers