Flagstone Reinsurance Holdings, S.A. (NYSE: FSR) (“Flagstone”) today announced that all regulatory approvals required for Validus Holdings, Ltd. (NYSE: VR) (“Validus”) to complete the acquisition of Flagstone have been received. As previously disclosed, the shareholders of Flagstone have approved all matters required to be approved by Flagstone’s shareholders in order for Validus to acquire Flagstone. Flagstone expects that the acquisition will be completed prior to the opening of the U.S. markets on November 30, 2012, subject to the satisfaction of customary conditions to closing. About Flagstone Reinsurance Holdings, S.A. Flagstone Reinsurance Holdings, S.A., through its operating subsidiaries, is a global reinsurance company that employs a focused and technical approach to the Property Catastrophe, Property, and Specialty reinsurance businesses. Flagstone is traded on the New York Stock Exchange under the symbol “FSR” and the Bermuda Stock Exchange under the symbol “FSR BH”. Additional financial information and other items of interest are available at Flagstone’s website located at http://www.flagstonere.com. Cautionary Note Regarding Forward-Looking Statements: This press release may include forward-looking statements, both with respect to Flagstone and Validus and their industries, that reflect Flagstone’s current views with respect to future events and financial performance. Statements that include the words “expect,” “intend,” “plan,” “believe,” “project,” “anticipate,” “will,” “may,” “would” and similar statements of a future or forward-looking nature identify forward-looking statements. All forward-looking statements address matters that involve risks and uncertainties, many of which are beyond Flagstone’s and Validus’ control. Accordingly, there are or will be important risks and uncertainties that could cause actual results to differ materially from those indicated in such statements and, therefore, you should not place undue reliance on any such statements. Flagstone believes that these risks and uncertainties include, but are not limited to, the following: (1) unpredictability and severity of catastrophic events; (2) issues relating to claims and coverage that may emerge from changing industry practices or changing legal, judicial, social or other environmental conditions; (3) rating agency actions; (4) adequacy of Flagstone’s and Validus’ risk management and loss limitation methods; (5) competition in the insurance and reinsurance markets; (6) cyclicality of demand and pricing in the insurance and reinsurance markets; (7) adequacy of Flagstone’s and Validus’ respective loss reserves; (8) the estimates and judgments that Flagstone and Validus use in preparing their respective financial statements, which are more difficult to make than if Flagstone and Validus were mature companies; (9) retention of key personnel; (10) potential conflicts of interest with Flagstone’s and Validus’ respective officers and directors; (11) continued availability of capital and financing; (12) potential loss of business from one or more major insurance or reinsurance brokers; (13) the credit risk that each of Flagstone and Validus assume through their dealings with their respective insurance and reinsurance brokers; (14) Flagstone’s and Validus’ respective ability to implement, successfully and on a timely basis, complex infrastructure, distribution capabilities, systems, procedures and internal controls, and to develop accurate actuarial data to support the business and regulatory and reporting requirements; (15) the risk that Flagstone and Validus could be bound to policies that contravene their respective underwriting guidelines by managing general agents and other third parties who support certain of their businesses; (16) availability of reinsurance and retrocessional coverage; (17) the effect on Flagstone’s and Validus’ investment portfolios of changing financial market conditions including inflation, interest rates, liquidity and other factors; (18) the impact of currency fluctuations on Flagstone’s and Validus’ operating results; (19) the impact of heightened European sovereign debt risk on Flagstone’s and Validus’ fixed income portfolios; (20) the integration of Flagstone or other businesses Validus may acquire or new business ventures Validus may start; (21) the legal, regulatory and tax regimes under which Flagstone and Validus operate; and (22) acts of terrorism or outbreak of war, as well as Flagstone and Validus management’s response to any of the aforementioned risks and uncertainties.