Stock Trading History of Jasper Thomas W

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 Jasper Thomas W since year 2005. The trader's CIK number is 1300154. At the time of this reporting, Jasper Thomas W is the Chief Executive Officer of Primus Guaranty Ltd (stock ticker symbol PRS).

Stock purchases, sales, and option exercises reported by *Jasper Thomas W* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2007-12-05	PRS	Primus Guaranty Ltd	Purchase	5,000	5.95	29,750
2007-08-13	PRS	Primus Guaranty Ltd	Purchase	35,750	18.34	655,512
2007-08-10	PRS	Primus Guaranty Ltd	Purchase	29,435	17.65	519,586
2007-06-25	PRS	Primus Guaranty Ltd	Purchase	5,000	11.00	55,000
2007-02-15	PRS	Primus Guaranty Ltd	Option Exercise	73,040	.00	0
2005-08-19	PRS	Primus Guaranty Ltd	Purchase	5,000	11.32	56,600

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 Jasper Thomas W (Chief Executive Officer of Primus Guaranty Ltd at the time of this reporting) see the Securities and Exchange Commission (SEC) website.