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

Nov 15, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: UNIVERSAL DISPLAY CORP \PA\ (PANL)
CIK: 0001005284
Period of Report: 2010-11-11

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-10-19	Common Stock	G	2400	—	Disposed	441872	Direct
2010-11-11	Common Stock	F	6742	$23.73	Disposed	435130	Direct
2010-11-11	Common Stock	M	6900	$9.4375	Acquired	442030	Direct
2010-11-11	Common Stock	M	9200	$10.3125	Acquired	451230	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-11-11	Employee Stock Option (right to buy)	$9.4375	M	6900	Disposed	2010-12-14	Common Stock (6900)	Direct
2010-11-11	Employee Stock Option (right to buy)	$10.3125	M	9200	Disposed	2011-03-30	Common Stock (9200)	Direct

Footnotes

F1: Includes 409 shares acquired under the Universal Display Corporation Employee Stock Purchase Plan on September 30, 2010.