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

Mar 30, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: UNIVERSAL DISPLAY CORP \PA\ (PANL)
CIK: 0001005284
Period of Report: 2010-03-26

Reporting Person: BECKER LEONARD (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-03-26	Common Stock	S	200	$11.90	Disposed	38690	Direct
2010-03-26	Common Stock	S	400	$11.91	Disposed	38290	Direct
2010-03-26	Common Stock	S	300	$11.96	Disposed	37990	Direct
2010-03-26	Common Stock	S	100	$11.965	Disposed	37890	Direct
2010-03-26	Common Stock	S	100	$11.97	Disposed	37790	Direct
2010-03-26	Common Stock	S	200	$12.005	Disposed	37590	Direct
2010-03-26	Common Stock	S	500	$12.01	Disposed	37090	Direct
2010-03-29	Common Stock	S	9353	$11.70	Disposed	43381	Direct
2010-03-29	Common Stock	S	530	$11.72	Disposed	42851	Direct
2010-03-29	Common Stock	S	5761	$11.80	Disposed	37090	Direct
2010-03-30	Common Stock	S	2556	$11.82	Disposed	37090	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-03-26	Stock Option (right to buy)	$8.56	M	1800	Disposed	2011-12-17	Common Stock (1800)	Direct
2010-03-29	Stock Option (right to buy)	$8.56	M	15644	Disposed	2011-12-17	Common Stock (15644)	Direct
2010-03-30	Stock Option (right to buy)	$8.56	M	2556	Disposed	2011-12-17	Common Stock (2556)	Direct