Primus Guaranty CEO to Present at the Lehman Brothers 2008 Global Financial Services Conference

Primus Guaranty, Ltd. (NYSE: PRS) has announced that Chief Executive Officer Thomas Jasper will make a presentation at the Lehman Brothers Global Financial Services Conference on Monday, September 8, 2008 at 4:45 p.m. ET. The conference is being held at the Hilton New York Hotel in New York City. Prior to Mr. Jasper’s remarks, a copy of the presentation will be available via Primus Guaranty’s Web site, http://ir.primusguaranty.com/. A live audio webcast of the presentation will be accessible via the company’s Web site, at http://ir.primusguaranty.com. A replay of the webcast will be available within 24 hours of Mr. Jasper’s presentation and will remain accessible through the company's Web site for ninety days.

About Primus Guaranty

Primus Guaranty, Ltd. is a Bermuda company, with its principal operating subsidiaries, Primus Financial Products, LLC and Primus Asset Management, Inc., headquartered in New York City. Primus Financial Products offers protection against the risk of default on corporate, sovereign and asset-backed security obligations through the sale of credit swaps to dealers and banks. As a swap counterparty, Primus Financial Products is rated Aaa by Moody's Investors Service, Inc. and AAA by Standard & Poor's Rating Services. Primus Asset Management provides credit portfolio management services to Primus Financial Products, and manages private investment vehicles, including two collateralized loan obligations and three synthetic collateralized swap obligations for third parties.