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

Jun 8, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: UNIVERSAL DISPLAY CORP \PA\ (PANL)
CIK: 0001005284
Period of Report: 2010-06-04

Reporting Person: LACERTE LAWRENCE (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-06-07	Common Stock	P	400	$16.96	Acquired	976791	Direct
2010-06-07	Common Stock	P	300	$16.92	Acquired	977091	Direct
2010-06-07	Common Stock	P	800	$16.90	Acquired	977891	Direct
2010-06-07	Common Stock	P	200	$16.83	Acquired	978091	Direct
2010-06-07	Common Stock	P	400	$16.80	Acquired	978491	Direct
2010-06-07	Common Stock	P	500	$16.79	Acquired	978991	Direct
2010-06-07	Common Stock	P	100	$16.7895	Acquired	979091	Direct
2010-06-07	Common Stock	P	600	$16.78	Acquired	979691	Direct
2010-06-07	Common Stock	P	100	$16.77	Acquired	979791	Direct
2010-06-07	Common Stock	P	200	$16.76	Acquired	979991	Direct
2010-06-07	Common Stock	P	100	$16.75	Acquired	980091	Direct
2010-06-07	Common Stock	P	200	$16.7495	Acquired	980291	Direct
2010-06-07	Common Stock	P	400	$16.74	Acquired	980691	Direct
2010-06-07	Common Stock	P	1000	$16.73	Acquired	981691	Direct
2010-06-07	Common Stock	P	700	$16.72	Acquired	982391	Direct
2010-06-07	Common Stock	P	400	$16.71	Acquired	982791	Direct
2010-06-07	Common Stock	P	400	$16.70	Acquired	983191	Direct
2010-06-07	Common Stock	P	700	$16.69	Acquired	983891	Direct
2010-06-07	Common Stock	P	700	$16.68	Acquired	984591	Direct
2010-06-07	Common Stock	P	100	$16.675	Acquired	984691	Direct
2010-06-07	Common Stock	P	100	$16.6725	Acquired	984791	Direct
2010-06-07	Common Stock	P	300	$16.67	Acquired	985091	Direct
2010-06-07	Common Stock	P	584	$16.66	Acquired	985675	Direct
2010-06-07	Common Stock	P	200	$16.655	Acquired	985875	Direct
2010-06-07	Common Stock	P	100	$16.65	Acquired	985975	Direct
2010-06-07	Common Stock	P	400	$16.64	Acquired	986375	Direct
2010-06-07	Common Stock	P	500	$16.63	Acquired	986875	Direct
2010-06-07	Common Stock	P	211	$16.62	Acquired	987086	Direct
2010-06-07	Common Stock	P	600	$16.61	Acquired	987686	Direct
2010-06-07	Common Stock	P	100	$16.6095	Acquired	987786	Direct