Assured Guaranty Announces Pierre Samson to Lead Financial Guaranty Reinsurance Segment.

HAMILTON, Bermuda -- Assured Guaranty Ltd. (NYSE:AGO) announced today that Pierre Samson, President of Assured Guaranty Re International, Ltd. has assumed responsibility for the Company's financial guaranty reinsurance segment.

Dominic Frederico, Chief Executive Officer of Assured Guaranty, commented, "Now that the majority of our reinsurance business is being handled from Bermuda, I have asked Pierre Samson to take responsibility for our reinsurance segment. With more than 14 years of experience as an actuary and reinsurer, Pierre has the skills and leadership to direct this segment."

Mr. Samson succeeds Robbin Conner, Executive Vice President of Assured Guaranty Corp. ("AGC"), Assured Guaranty's principal U.S. subsidiary, who was appointed to run this segment in March 2004. Mr. Conner has been named as as Director of Underwriting Standards for AGC. In this role, Mr. Conner will focus on AGC's underwriting systems, controls and processes. Mr. Conner will also play a key role in the completion of the Company's Sarbanes-Oxley certification process for the underwriting area.

Mr. Frederico added, "I asked Robbin to take responsibility for enhancing our underwriting models and standards and ensuring our new staff members are trained in Assured Guaranty's underwriting systems and approach. We have added eleven experienced underwriting, surveillance, legal and financial staff in our direct operation since the end of the second quarter and expect to continue to expand our financial guaranty direct business."

Assured Guaranty Ltd. is a Bermuda-based holding company. Its operating subsidiaries provide credit enhancement products to the U.S. and international municipal finance, structured finance and mortgage markets. More information can be found at http://www.assuredguaranty.com.

Any forward-looking statements made in this press release reflect the Company's current views with respect to future events and financial performance and are made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. Such statements involve risks and uncertainties that may cause actual results to differ materially from those set forth in these statements. For example, the Company's forward-looking statements, such as its statements regarding future growth, could be affected by a significant reduction in the amount of reinsurance ceded by one or more of our principal ceding companies, rating agency action such as a ratings downgrade, difficulties with the execution of the Company's business strategy, contract cancellations, developments in the world's financial and capital markets, more severe losses or more frequent losses associated with products affecting the adequacy of the Company's loss reserve, changes in regulation or tax laws, the Company's dependence on customers, decreased demand or increased competition, loss of key personnel, the effects of mergers, acquisitions and divestitures, changes in accounting policies or practices, and changes in general economic conditions, as well as management's response to these factors, and other risk factors identified in the Company's filings with the Securities and Exchange Commission. Readers are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the dates on which they are made. The Company undertakes no obligation to publicly update or revise any forward-looking statements, whether as a result of new information, future events or otherwise.