X0202 4 2008-01-09 0001005284 UNIVERSAL DISPLAY CORP \PA\ PANL 0001233730 SELIGSOHN SHERWIN I 375 PHILLIPS BLVD. EWING NJ 08618 1 1 0 0 Chairman of Board and Founder Common Stock 2007-08-27 5 G 0 14278 0 D 201714 D Common Stock 2008-01-09 4 F 0 1346 18.34 D 200368 D Common Stock 2008-01-09 4 A 0 10905 0 A 211273 D Common Stock 2008-01-09 4 F 0 3526 18.34 D 207747 D Common Stock 2008-01-09 4 A 0 10905 0 A 218652 D Common Stock 176000 I By Corp. Common Stock 21000 I By Trust These shares were withheld to satisfy a tax liability in connection with the vesting, on January 9, 2008, of 4,563 shares of restricted stock previously granted to Mr. Seligsohn. These shares are subject to a vesting restriction, with one-third of the total share amount vesting on each of January 9, 2009, 2010 and 2011. American Biomimetics Corporation, of which Mr. Seligsohn is the sole Director, Chairman, President and Secretary. The Seligsohn Foundation, of which Mr. Seligsohn is the sole trustee. /s/ Sidney D. Rosenblatt (by power of attorney) 2008-01-11