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 has filed with the SEC a preliminary consent revocation statement on Schedule 14A (the "Preliminary Revocation Statement") in connection with Validus' solicitation of written consents. Investors and security holders are urged to read the Preliminary Revocation Statement and Transatlantic's definitive consent revocation statement, when it is available, because they contain important information. Investors can get the Preliminary Revocation Statement, the definitive revocation statement, when it is available, and any other relevant documents for free at the SEC's website ( www.sec.gov). You may also obtain these documents for free 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. 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, and a description of their direct or indirect interests, by security holdings or otherwise, is available in Transatlantic's Preliminary Revocation Statement, which was filed with the SEC on September 20, 2011.