Deutsche Bank Securities Inc. acted as financial advisor to Validus and Skadden, Arps, Slate, Meagher & Flom LLP provided legal advice to Validus. Evercore Partners acted as financial advisor to Flagstone and Cravath, Swaine & Moore LLP provided legal advice to Flagstone.Conference Call Validus will host a conference call for investors, analysts, and other interested parties on Thursday, August 30, 2012 at 9:30 a.m., Eastern Time. The conference call may be accessed by dialing 1-800-901-5213 (U.S. callers) or 1-617-786-2962 (International callers) and entering the passcode 72655113. Those who intend to participate in the call should dial in at least 10 minutes in advance. Presentation materials for the call will be available on the “Investor Relations” section of Validus’ website located at www.validusholdings.com, in advance of the call. A live webcast of the call will be available on the “Investor Relations” section of Validus’ website located at www.validusholdings.com. A replay of the call will be available through September 10, 2012 by dialing 1-888-286-8010 (U.S. callers) or 1-617-801-6888 (International callers) and entering the passcode 59391862. A replay of the webcast will be available at the “Investor Relations” section on the Validus website. About Validus Holdings, Ltd. Validus Holdings, Ltd. is a provider of reinsurance and insurance, conducting its operations worldwide through two wholly-owned subsidiaries, Validus Reinsurance, Ltd. (“Validus Re”) and Talbot Holdings Ltd. (“Talbot”). Validus Re is a Bermuda based reinsurer focused on short-tail lines of reinsurance. Talbot is the Bermuda parent of the specialty insurance group primarily operating within the Lloyd’s insurance market through Syndicate 1183. 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 Validus and Flagstone and their industries, that reflect their 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 Validus’ and Flagstone’s control. Accordingly, there are or will be important factors 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. Validus and Flagstone believe that these factors 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 Validus’ and Flagstone’s 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 Validus’ and Flagstone’s respective loss reserves; 8) the estimates and judgments that Validus and Flagstone use in preparing their respective financial statements, which are more difficult to make than if Validus and Flagstone were mature companies; 9) retention of key personnel; 10) potential conflicts of interest with Validus’ and Flagstone’s 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 Validus and Flagstone assume through their dealings with their respective insurance and reinsurance brokers; 14) Validus’ and Flagstone’s 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 Validus and Flagstone 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 Validus’ and Flagstone’s investment portfolios of changing financial market conditions including inflation, interest rates, liquidity and other factors; 18) the impact of currency fluctuations on Validus’ and Flagstone’s operating results; 19) the impact of heightened European sovereign debt risk on Validus’ and Flagstone’s 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 Validus and Flagstone operate; and 22) acts of terrorism or outbreak of war, as well as Validus and Flagstone management’s response to any of the aforementioned factors.