Primus Guaranty, Ltd. Conference Call to Discuss 4th Quarter and Full Year 2005 Earnings Set for Wednesday, February 8, 2006 11 A.M. Eastern Standard Time.

HAMILTON, Bermuda -- Primus Guaranty, Ltd. (NYSE:PRS) announced that it will host a conference call for investors on Wednesday, February 8, 2006 at 11 a.m. Eastern Standard Time to discuss its 4th quarter and full year 2005 earnings, which are scheduled for release between 7 a.m. and 9 a.m. Eastern Standard Time Wednesday, February 8, 2006. A copy of the earnings press release and financial supplement will be available in the Investor section of the company's website, located at www.primusguaranty.com.

The conference call will be available via live or archived webcast at http://ir.primusguaranty.com/ by dialing 800-435-1398 (domestic) and 617-614-4078 (international), Passcode 29436214.

A replay of the call will be available from Wednesday, February 8, 2006 at 1 p.m. Eastern Standard Time until Wednesday, March 1, 2006 at 5 p.m. Eastern Standard Time. To listen to the replay, dial 888-286-8010 (domestic) or 617-801-6888 (international), Passcode 45135156.

About Primus Guaranty

Primus Guaranty, Ltd., through its principal operating subsidiary, Primus Financial Products, LLC, offers protection against the risk of default on corporate and sovereign obligations. Primus Financial assumes these risks through the sale of credit swaps to dealers, banks and portfolio managers. As a swap counterparty, Primus Financial is rated Aaa by Moody's Investor Service, Inc. and AAA by Standard & Poor's Rating Services. Another subsidiary of Primus Guaranty, Primus Asset Management, Inc., manages the credit swap portfolio of Primus Financial, and provides credit swap portfolio management services to third parties.

The company is traded on the New York Stock Exchange under the symbol PRS. Primus Guaranty is a Bermuda company, with the operations of its principal subsidiaries, Primus Financial Products and Primus Asset Management, headquartered in New York City.