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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 <mtgdate> June 22, 2017 .Meeting InformationUNIVERSAL DISPLAY CORPORATION Meeting Type: Annual <mtgtype>  MeetingFor holders as of: April <recdate>  06, 2017 BDate: June 22, 2017 Time: 1:30 <mtgtime>  PM EDT ALocation: Element By Westin R 1000 Sam Weinroth Road East CBROKER Ewing, NJ  08628LOGO O HERE DEYou are receiving this communication because you hold Return Address Line 1 shares in the above named company.Return Address Line 2 Return Address Line 351 MERCEDES WAY This is not a ballot.  You cannot use this notice to vote EDGEWOOD NY 11717 these shares.  This communication presents only an Investor Address Line 1 overview of the more complete proxy materials that are Investor Address Line 2 1    available to you on the Internet.  You may view the proxy Investor Address Line 3 materials online at www.proxyvote.com or easily request a15 Investor Address Line 4 15 12 OF paper copy (see reverse side).1 .. 0 Investor Address Line 5   . R1 John Sample 2 We encourage you to access and review all of the important      1234 ANYWHERE STREET information contained in the proxy materials before voting.1 ANY CITY, ON  A1A 1A1_ See the reverse side of this notice to obtain proxy materials and voting instructions.0000334043 Broadridge Internal Use Only Job # Envelope # Sequence # # of # Sequence #


Before You Vote How to Access the Proxy MaterialsProxy Materials Available to VIEW or RECEIVE:1. Annual Report    2. Notice & Proxy StatementHow to View Online:Have the information that is printed in the box marked by the arrow XXXXXXXXXXXXXXXXg (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.com2) BY TELEPHONE: 1-800-579-16393) 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 XXXXXXXXXXXXXXXX (located on the following page) in the subject line.Requests, instructions  g 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 June 14, 2017 to facilitate timely delivery.How To VotePlease Choose One of the Following Voting Methods. 15. 1 Vote In Person: If you choose to vote these shares in person at the meeting, you must request a "legal proxy."  To do . 0 so, please follow the instructions at www.proxyvote.com or request a paper copy of the materials, which will contain the    R1appropriate instructions.  Many shareholder meetings have attendance requirements including, but not limited to, the_ 2possession of an attendance ticket issued by the entity holding the meeting.  Please check the meeting materials for any special requirements for meeting attendance.0000334043 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 XXXXXXXXXXXXXXXX available and follow the instructions. Internal Use g OnlyVote By Mail: You can vote by mail by requesting a paper copy of the materials, which will include a voting instruction form.


Voting itemsThe Board of Directors recommends you vote FOR the following The Board of Directors recommends proposal(s): you vote 1 YEAR on the following proposal: 1.  Election of Directors3   Advisory resolution regarding the     Nominees    frequency of future advisory     shareholder votes on compensation1A  Steven V. Abramson    of the Company's named executive     officers. B1B  Richard C. Elias AThe Board of Directors recommends R1C  Elizabeth H. Gemmill you vote FOR the following C proposal(s): 1D  Rosemarie B. Greco 4   Ratification of the appointment of O    KPMG LLP as the Company's D     independent registered public1E  C. Keith Hartley    accounting firm for 2017. E1F  Lawrence Lacerte1G  Sidney D. Rosenblatt1H  Sherwin I. SeligsohnThe Board of Directors recommends 15 you vote FOR the following 1 . proposal(s): 0 . R1 .2   Advisory resolution to approve          compensation of the Company's named3_    executive officers.Broadridge Internal Use Only xxxxxxxxxx0000334043 xxxxxxxxxx Cusip Job # Envelope # Sequence # # of # Sequence #0000000000000000


Voting items Continued Reserved for Broadridge Internal Control InformationNOTE: Such other business as may properly come before the meeting or any postponements or adjournments thereof. Voting InstructionsTHIS SPACE RESERVED FOR LANGUAGE PERTAINING TO BANKS AND BROKERS15 . AS REQUIRED BY THE NEW YORK STOCK EXCHANGE. 1 . 0     R1 _ 40000334043 Broadridge Internal Use Only P99999-01012 Job #THIS SPACE RESERVED FOR SIGNATURES IF APPLICABLE Envelope #Sequence 15 # # of # Sequence # OF##.,