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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UNIVERSAL DISPLAY CORPORATION

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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 June 21, 2018Meeting Information Meeting Type: Annual Meeting For holders as of: April 05, 2018 Date: June 21, 2018 Time: 1:30 PM EDT Location: Element By Westin 1000 Sam Weinroth Road East Ewing, NJ 08628UNIVERSAL DISPLAY CORPORATION Return Address Line 1 Return Address Line 2 Return Address Line 3 51 MERCEDES WAY EDGEWOOD NY 11717 Investor Address Line 1 Investor Address Line 2 Investor Address Line 3 Investor Address Line 4 Investor Address Line 5 John Sample 1234 ANYWHERE STREET ANY CITY, ON A1A 1A1 BARCODE Broadridge Internal Use Only 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. 0000380385_1 R1.0.1.17 Job # Envelope # Sequence # # of # Sequence # 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. Notice & Proxy Statement 2. Annual Report 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 xxxx xxxx xxxx xxxx (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 June 13, 2018 to facilitate timely delivery. How To Vote Please Choose One of the Following Voting Methods Vote In Person: If you choose to vote these shares in person at the meeting, you must request a "legal proxy." To do so, please follow the instructions at www.proxyvote.com or request a paper copy of the materials, which will contain the appropriate instructions. 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. 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 voting instruction form. xxxx xxxx xxxx xxxx Internal Use Only 0000380385_2 R1.0.1.17

0000380385_ 3 R1.0.1.17 Voting items The Board of Directors recommends you vote FOR the following proposal(s): 1. Election of Directors Nominees 1A Steven V. Abramson 4 Ratification of the appointment of KPMG LLP as the Company's independent registered public accounting firm for 2018. 1B Richard C. Elias 1C Elizabeth H. Gemmill 1D Rosemarie B. Greco 1E C. Keith Hartley 1F Lawrence Lacerte 1G Sidney D. Rosenblatt 1H Sherwin I. Seligsohn The Board of Directors recommends you vote FOR the following proposal(s): 2 Advisory resolution to approve compensation of the Company's named executive officers. 3 Approval of an Amendment to the Company's Amended and Restated Articles of Incorporation to increase the Company's authorized shares of Capital Stock.0000380385_ 3 R1.0.1.174 Ratification of the appointment of KPMG LLP as the Company's independent registered public accounting firm for 2018. BARCODE Broadridge Internal Use Only xxxxxxxxxx xxxxxxxxxx Cusip Job # Envelope # Sequence # # of # Sequence # 0000 0000 0000 0000

0000380385_ 4 R1.0.1.17 Voting items Continued NOTE: Such other business as may properly come before the meeting or any postponements or adjournments thereof. Voting Instructions THIS SPACE RESERVED FOR LANGUAGE PERTAINING TO BANKS AND BROKERS AS REQUIRED BY THE NEW YORK STOCK EXCHANGE THIS SPACE RESERVED FOR SIGNATURES IF APPLICABLE Broadridge Internal Use Only Job # Envelope # Sequence # # of # Sequence # Reserved for Broadridge Internal Control Information THIS SPACE RESERVED FOR SIGNATURES IF APPLICABLE