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

Dec 2, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: UNIVERSAL DISPLAY CORP \PA\ (PANL)
CIK: 0001005284
Period of Report: 2010-11-30

Reporting Person: BROWN JULIA J (Chief Technical Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-11-30	Common Stock	M	1187	$5.45	Acquired	152918	Direct
2010-11-30	Common Stock	S	1187	$25.01	Disposed	151731	Direct
2010-12-01	Common Stock	M	3813	$5.45	Acquired	155544	Direct
2010-12-01	Common Stock	S	316	$25.76	Disposed	155228	Direct
2010-12-01	Common Stock	S	1497	$25.75	Disposed	153731	Direct
2010-12-01	Common Stock	S	2000	$26.00	Disposed	151731	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-11-30	Employee Stock Option (right to buy)	$5.45	M	1187	Disposed	2012-09-23	Common Stock (1187)	Direct
2010-12-01	Employee Stock Option (right to buy)	$5.45	M	3813	Disposed	2012-09-23	Common Stock (3813)	Direct