Stock Trading History of Becker Leonard

The following table details the trading activities (stock purchases, stock sales, and stock option exercises) reported to the Securities and Exchange Commission (SEC) by insider Becker Leonard since year 2005. The trader's CIK number is 1167008. At the time of this reporting, Becker Leonard is the Director of Universal Display Corp \pa\ (stock ticker symbol PANL).

Stock purchases, sales, and option exercises reported by *Becker Leonard* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2007-10-05	PANL	Universal Display Corp \\pa\\	Sale	20,000	18.22	364,300
2007-09-27	PANL	Universal Display Corp \\pa\\	Sale	4,000	16.40	65,600
2007-09-26	PANL	Universal Display Corp \\pa\\	Sale	6,000	16.34	98,070
2007-09-20	PANL	Universal Display Corp \\pa\\	Sale	3,429	16.43	56,338
2007-09-19	PANL	Universal Display Corp \\pa\\	Sale	1,571	16.32	25,638
2007-09-18	PANL	Universal Display Corp \\pa\\	Sale	5,000	16.25	81,250
2007-08-17	PANL	Universal Display Corp \\pa\\	Sale	4,600	16.38	75,325
2007-08-13	PANL	Universal Display Corp \\pa\\	Option Exercise	25,000	5.45	136,250
2007-08-10	PANL	Universal Display Corp \\pa\\	Sale	400	18.36	7,344

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Becker Leonard (Director of Universal Display Corp \pa\ at the time of this reporting) see the Securities and Exchange Commission (SEC) website.