Stock Trading History of Friedman Arthur M

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 Friedman Arthur M since year 2005. The trader's CIK number is 1227450. At the time of this reporting, Friedman Arthur M is the Director of Ps Business Parks Inc/ca . (stock ticker symbol PSB). See this page for all insider trading activities at Ps Business Parks Inc/ca .

Stock purchases, sales, and option exercises reported by insider *Friedman Arthur M* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2008-12-17	PSB	Ps Business Parks Inc/ca	Purchase	400	14.58	5,832
2008-12-01	PSB	Ps Business Parks Inc/ca	Purchase	2,300	14.68	33,764
2008-10-29	PSB	Ps Business Parks Inc/ca	Option Exercise	2,000	24.22	48,437
2008-01-14	PSB	Ps Business Parks Inc/ca	Option Exercise	5,000	22.88	114,400
2007-05-04	PSB	Ps Business Parks Inc/ca	Purchase	1,000	68.50	68,500

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 Friedman Arthur M (Director of Ps Business Parks Inc/ca at the time of this reporting) see the Securities and Exchange Commission (SEC) website.