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

Oct 18, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: UNIVERSAL DISPLAY CORP \PA\ (PANL)
CIK: 0001005284
Period of Report: 2010-10-14

Reporting Person: ROSENBLATT SIDNEY D (Director, EVP and CFO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-09-27	Common Stock	G	2500	—	Disposed	547928	Direct
2010-10-14	Common Stock	S	25000	$26.00	Disposed	523009	Direct

Footnotes

F1: These shares were sold pursuant to a Rule 10b5-1 Non-Discretionary Trading Plan entered into by Mr. Rosenblatt effective as of December 23, 2009.

F2: Includes 81 shares acquired under the Universal Display Corporation Employee Stock Purchase Plan on September 30, 2010.