Tranche Update on Assured Guaranty Ltd.'s Equity Buyback Plan announced on January 18, 2013.

Assured Guaranty Ltd. is a holding company. Through its subsidiaries, the Company provides credit enhancement products to the United States and non-United States public finance, infrastructure and structured finance markets. Its segments include Insurance and Asset Management. In the Insurance segment, the Company applies its credit underwriting judgment, risk management skills and capital markets experience primarily to offer financial guaranty insurance that protects holders of debt instruments and other monetary obligations from defaults in scheduled payments. It markets its financial guaranty insurance directly to issuers and underwriters of public finance and structured finance securities, as well as to investors in such obligations. It guarantees obligations issued principally in the United States and the United Kingdom and also guarantees obligations issued in other countries and regions, including Western Europe. The Asset Management segment provides asset management services.