Universal Display Corporation Announces Conference Call to Discuss First Quarter 2013 Results

Universal Display Corporation (NASDAQ: PANL), enabling energy-efficient displays and lighting with its UniversalPHOLED^® technology and materials, today announced that its results for the first quarter, ended March 31, 2013, will be released on Thursday, May 9, 2013 after market close, at which time a copy of the financial results release will be available on the Company’s website at www.universaldisplay.com.

In conjunction with this release, Universal Display will host a conference call, followed by a question and answer session, on Thursday, May 9, 2013 at 5:00 p.m. Eastern Time. Interested parties may participate by calling 888-713-4487 at 4:55 p.m. Eastern Time and referencing conference ID 9739266.

The conference call will be simultaneously broadcast live over the Internet through a webcast on the Universal Display website. To access the call, please visit the “events” portion of the website at www.universaldisplay.com. An online archive of the webcast will be available within two hours of the conclusion of the call.

About Universal Display Corporation

Universal Display Corporation (Nasdaq: PANL) is a leader in developing and delivering state-of-the-art, organic light emitting diode (OLED) technologies, materials and services to the display and lighting industries. Founded in 1994, the company currently owns or has exclusive, co-exclusive or sole license rights with respect to more than 3,000 issued and pending patents worldwide. Universal Display licenses its proprietary technologies, including its breakthrough high-efficiency UniversalPHOLED^® phosphorescent OLED technology, that can enable the development of low power and eco-friendly displays and white lighting. The company also develops and offers high-quality, state-of-the-art UniversalPHOLED materials that are recognized as key ingredients in the fabrication of OLEDs with peak performance. In addition, Universal Display delivers innovative and customized solutions to its clients and partners through technology transfer, collaborative technology development and on-site training.

Based in Ewing, New Jersey, with international operating offices in Dublin, Seoul, Hong Kong and Tokyo, Universal Display works and partners with a network of world-class organizations, including Princeton University, the University of Southern California, the University of Michigan, and PPG Industries, Inc. The company has also established relationships with companies such as AU Optronics Corporation, Innolux Corporation, DuPont Displays, Inc., Konica Minolta Technology Center, Inc., LG Display Co., Ltd., Lumiotec, Inc., Moser Baer Technologies Inc., Panasonic Idemitsu OLED Lighting Co., Pioneer Corporation, Samsung Display Corporation, Seiko Epson Corporation, Sony Corporation, Showa Denko K.K., and Tohoku Pioneer Corporation. To learn more about Universal Display, please visit www.universaldisplay.com.

Universal Display Corporation and the Universal Display logo are trademarks or registered trademarks of Universal Display Corporation. All other company, brand or product names may be trademarks or registered trademarks.

All statements in this document that are not historical, such as those relating to Universal Display Corporation’s technologies and potential applications of those technologies, are forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. You are cautioned not to place undue reliance on any forward-looking statements in this document, as they reflect Universal Display Corporation’s current views with respect to future events and are subject to risks and uncertainties that could cause actual results to differ materially from those contemplated. These risks and uncertainties are discussed in greater detail in Universal Display Corporation’s periodic reports on Form 10-K and Form 10-Q filed with the Securities and Exchange Commission, including, in particular, the section entitled “Risk Factors” in Universal Display Corporation’s annual report on Form 10-K for the year ended December 31, 2012. Universal Display Corporation disclaims any obligation to update any forward-looking statement contained in this document.