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

Aug 26, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: UNIVERSAL DISPLAY CORP \PA\ (PANL)
CIK: 0001005284
Period of Report: 2010-08-24

Reporting Person: BROWN JULIA J (Chief Technical Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-08-24	Common Stock	M	5000	$10.3125	Acquired	156113	Direct
2010-08-24	Common Stock	S	5000	$20.03	Disposed	151113	Direct
2010-08-26	Common Stock	M	908	$10.3125	Acquired	152021	Direct
2010-08-26	Common Stock	S	908	$20.03	Disposed	151113	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-08-24	Employee Stock Option (right to buy)	$10.3125	M	5000	Disposed	2011-03-30	Common Stock (5000)	Direct
2010-08-26	Employee Stock Option (right to buy)	$10.3125	M	908	Disposed	2011-03-30	Common Stock (908)	Direct