UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 14A
Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.     )
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Investment Technology 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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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. 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. Meeting Information See the reverse side of this notice to obtain proxy materials and voting instructions. Meeting live via the Internet-please visit www.virtualshareholdermeeting.com/ITG2015. M91994-P66514 The company will be hosting the meeting live via the Internet this year. To attend the meeting via the Internet please visit www.virtualshareholdermeeting.com/ITG2015 and be sure to have the information that is printed in the box marked by the arrow (located on the following page). .XXXX XXXX XXXX XXXX ONE LIBERTY PLAZA 165 BROADWAY NEW YORK, NEW YORK 10006 INVESTMENT TECHNOLOGY GROUP, INC. *** Exercise Your Right to Vote *** Important Notice Regarding the Availability of Proxy Materials for the Stockholder Meeting to Be Held on June 11, 2015. Meeting Type: Annual Meeting For holders as of: April 15, 2015 Date: June 11, 2015 Time: 11:30 AM EDT Location:

Before You Vote How to Access the Proxy Materials How To Vote Please Choose One of the Following Voting Methods 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 28, 2015 to facilitate timely delivery. 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. NOTICE AND PROXY STATEMENT ANNUAL REPORT ON FORM 10-K Proxy Materials Available to VIEW or RECEIVE: Vote By Internet: Before The Meeting: Go to www.proxyvote.com. Have the information that is printed in the box marked by the arrow (located on the following page) available and follow the instructions. During The Meeting: Go to www.virtualshareholdermeeting.com/ITG2015. Have the information that is printed in the box marked by the arrow (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. M91995-P66514 .XXXX XXXX XXXX XXXX .XXXX XXXX XXXX XXXX .XXXX XXXX XXXX XXXX .XXXX XXXX XXXX XXXX

Voting Items M91996-P66514 2. Ratification of the appointment of KPMG LLP as the company's independent registered public accountants for the fiscal year ending December 31, 2015. 3. Approval of the company's executive compensation. 4. Approval of the Amended and Restated Investment Technology Group, Inc. 2007 Omnibus Equity Compensation Plan. 1. Election of Directors Nominees: The Board of Directors recommends that you vote FOR the following: The Board of Directors recommends you vote FOR the following proposals: 01) Minder Cheng 02) Christopher V. Dodds 03) Robert C. Gasser 04) Timothy L. Jones 05) R. Jarrett Lilien 06) T. Kelley Millet 07) Kevin J.P. O'Hara 08) Maureen O'Hara 09) Steven S. Wood

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