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

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: UNIVERSAL DISPLAY CORP \PA\ (PANL)
CIK: 0001005284
Period of Report: 2009-12-31

Reporting Person: LACERTE LAWRENCE (Director)

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2009-12-31	Common Stock	A	1391	—	Acquired	953751	Direct
2009-12-31	Common Stock	P	500	$12.40	Acquired	954251	Direct
2009-12-31	Common Stock	P	500	$12.39	Acquired	954751	Direct
2009-12-31	Common Stock	P	500	$12.39	Acquired	955251	Direct
2009-12-31	Common Stock	P	500	$12.36	Acquired	955751	Direct
2009-12-31	Common Stock	P	250	$12.44	Acquired	956001	Direct
2009-12-31	Common Stock	P	250	$12.45	Acquired	956251	Direct
2009-12-31	Common Stock	P	300	$12.44	Acquired	956551	Direct
2009-12-31	Common Stock	P	400	$12.45	Acquired	956951	Direct
2009-12-31	Common Stock	P	200	$12.45	Acquired	957151	Direct
2009-12-31	Common Stock	P	500	$12.4479	Acquired	957651	Direct
2009-12-31	Common Stock	P	100	$12.43	Acquired	957751	Direct