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

 

Filed by the Registrant  x

 

Filed by a Party other than the Registrant  o

 

Check the appropriate box:

o

Preliminary Proxy Statement

o

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

o

Definitive Proxy Statement

x

Definitive Additional Materials

o

Soliciting Material under §240.14a-12

 

INTERACTIVE BROKERS 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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(3)

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o

Fee paid previously with preliminary materials.

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Check box if any part of the fee is offset as provided by Exchange Act Rule 0-11(a)(2) and identify the filing for which the offsetting fee was paid previously. Identify the previous filing by registration statement number, or the Form or Schedule and the date of its filing.

 

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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 April 20, 2017 INTERACTIVE BROKERS GROUP, INC. 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. INTERACTIVE BROKERS GROUP, INC. ONE PICKWICK PLAZA GREENWICH, CT 06830 0000312787_1 R1.0.1.15 See the reverse side of this notice to obtain proxy materials and voting instructions. Meeting Information Meeting Type: Annual Meeting For holders as of: February 24, 2017 Date: April 20, 2017Time: 9:30 AM EDT Location: 432 Park Avenue New York, NY 10022

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Before You Vote How to Access the Proxy Materials Proxy Materials Available to VIEW or RECEIVE: Have the information that is printed in the box marked by the arrow (located on the by the arrow (located on the following page) in the subject line. How To Vote Please Choose One of the Following Voting Methods possession available and follow the instructions. marked by the arrow 0000312787_2 R1.0.1.15 Vote In Person: Many stockholder meetings have attendance requirements including, but not limited to, the of an attendance ticket issued by the entity holding the meeting. Please check the meeting materials for any specia 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 Vote By Mail: You can vote by mail by requesting a paper copy of the materials, which will include a proxy card. l 1. Notice & Proxy Statement2. Annual Report How to View Online: 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 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 April 06, 2017 to facilitate timely delivery.

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The Board of Directors recommends you vote FOR the following: The Board of Directors recommends you vote 2 YEARS on the following proposal: 4. To recommend, by non-binding vote, the frequency of executive compensation votes. 1. 1A Election of Directors Nominees Thomas Peterffy 1B Earl H. Nemser 1C Milan Galik NOTE: In their discretion, the Proxies are authorized to vote upon such other business as may properly come before the meeting. 1D Paul J. Brody 1E Lawrence E. Harris 1F Wayne H. Wagner 1G Richard Gates 1H Gary Katz The Board of Directors recommends you vote FOR proposals 2. and 3. 2. Ratification of appointment of independent registered public accounting firm of Deloitte & Touche LLP. 3. To approve, by non-binding vote, executive compensation. 0000312787_3 R1.0.1.15 Voting items

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0000312787_4 R1.0.1.15

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