Additional Information About the Validus Exchange OfferThis communication is neither an offer to purchase nor the solicitation of an offer to sell any securities. In response to the exchange offer commenced by Validus, Transatlantic has filed a Solicitation/Recommendation Statement on Schedule 14D-9 with the SEC. Investors and security holders are urged to read the Solicitation/Recommendation Statement on Schedule 14D-9 because it contains important information about the Validus Exchange Offer. All documents, when filed, will be available free of charge at the SEC's website ( www.sec.gov). You may also obtain these documents by contacting Transatlantic's Investor Relations department at Transatlantic Holdings, Inc., 80 Pine Street, New York, New York 10005, or via e-mail at firstname.lastname@example.org. Additional Information about the Validus Consent Solicitation On September 14, 2011, Validus filed a preliminary consent solicitation statement with the SEC relating to Validus' proposals to, among other things, remove all of Transatlantic's directors and nominate three new directors to the Transatlantic board of directors. Transatlantic will file with the SEC a consent revocation statement (the "Statement") in connection with Validus' solicitation of written consents. Investors and securityholders are urged to read the Statement and other documents, when they become available, as they will contain important information. All documents, including the Statement, when filed, will be available free of charge at the SEC's website ( www.sec.gov). You may also obtain these documents by contacting Transatlantic's Investor Relations department at Transatlantic Holdings, Inc., 80 Pine Street, New York, New York 10005, or via e-mail at email@example.com. Participants in the Solicitation Transatlantic, its directors and executive officers may be deemed to be participants in a solicitation of Transatlantic's stockholders in connection with the Validus consent solicitation. Information about Transatlantic's directors and executive officers is available in Transatlantic's proxy statement dated April 8, 2011 for its 2011 Annual Meeting of Stockholders. Additional information regarding the participants in the solicitation and a description of their direct and indirect interests, by security holdings or otherwise, to the extent applicable, will be contained in the Statement. (1) Financial data includes estimates using information known at this time. Such financial data do not include any estimate for foreign exchange movement, changes in fair value or other events that could materially affect earnings or book value per share that occur or become known after the date of these estimates. Per share information does not consider the impact of share activity that may occur after the issuance of this press release, including share repurchases that may occur before the end of the third quarter pursuant to the share repurchase program announced today.