UNIVERSAL DISPLAY CORP \PA\ — Director's Dealing 2010

Sep 17, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: UNIVERSAL DISPLAY CORP \PA\ (PANL)
CIK: 0001005284
Period of Report: 2010-09-16

Reporting Person: ABRAMSON STEVEN V (Director, President and CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-04-27	Common Stock	G	200	—	Disposed	473175	Direct
2010-09-16	Common Stock	S	12728	$23.00	Disposed	461135	Direct

Footnotes

F1: Includes 594 shares acquired under the Universal Display Corporation Employee Stock Purchase Plan on March 31, 2010.

F2: These shares were sold pursuant to a Rule 10b5-1 Non-Discretionary Trading Plan entered into by Mr. Abramson effective as of September 15, 2009.

F3: Includes 688 shares acquired under the Universal Display Corporation Employee Stock Purchase Plan on June 30, 2010.