UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

(RULE 14a-101)

PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES

EXCHANGE ACT OF 1934

Filed by the Registrant  x

Filed by a Party other than the Registrant  ¨

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¨   Preliminary Proxy Statement

¨   Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

¨   Definitive Proxy Statement

x   Definitive Additional Materials

¨   Soliciting Material Pursuant to §240.14a-12

The Navigators Group, Inc.

(Name of Registrant as Specified In Its Charter)

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)

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*** Exercise Your Right to Vote ***

Important Notice Regarding the Availability of Proxy Materials for the

Shareholder Meeting to Be Held on May 23, 2013

			Meeting Information
	THE NAVIGATORS GROUP, INC.		Meeting Type: Annual Meeting
			For holders as of: March 27, 2013
			Date: May 23, 2013               Time:10:00 AM EDT
			Location:	Office of the Company
				Reckson Executive Park
	THE NAVIGATORS GROUP, INC. 6 INTERNATIONAL DRIVE RYE BROOK, NY 10573			6 International Drive
				Rye Brook, NY 10573
		You are receiving this communication because you hold shares in the above named company. 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. You may view the proxy materials online at www.proxyvote.com 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 (located on the following page) and visit: www.proxyvote.com.
	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:
	1) BY INTERNET:	www.proxyvote.com
	2) BY TELEPHONE:	1-800-579-1639
	3) BY E-MAIL*:	sendmaterial@proxyvote.com
	*    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 (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 10, 2013 to facilitate timely delivery.
—  How To Vote  —
	Please Choose One of the Following Voting Methods
	Vote In Person: Many shareholder meetings have attendance requirements including, but not limited to, the possession of an attendance ticket issued by the entity holding the meeting. Please check the meeting materials for any special requirements for meeting attendance. At the meeting, you will need to request a ballot to vote these shares. Vote By Internet: To vote now by Internet, go to www.proxyvote.com. Have the information that is printed in the box marked by the arrow 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
		Nominees
	01	Saul L. Basch	02	H.J. Mervyn Blakeney	03	Terence N. Deeks	04	Stanley A. Galanski	05	Geoffrey E. Johnson
	06	John F. Kirby	07	Robert V. Mendelsohn	08	David M. Platter	09	Janice C. Tomlinson	10	Marc M. Tract
	The Board of Directors recommends you vote FOR proposals 2, 3, 4 and 5.
	2	Pass an advisory resolution on executive compensation.
	3	Approve The Navigators Group, Inc. Second Amended and Restated 2005 Stock Incentive Plan.
	4	Approve Amendment No. 1 to The Navigators Group, Inc. Employee Stock Purchase Plan.
	5	Ratify the appointment of KPMG LLP as the independent auditors of the Company to examine and report on the December 31, 2013 financial statements.
	NOTE: Such other business as may properly come before the meeting or any adjournment thereof.