Platinum Underwriters Holdings, Ltd.

Shareholder Corporation Litigation

Rigrodsky & Long, P.A. Announces Investigation Of Platinum Underwriters Holdings, Ltd. (NYSE: PTP) Buyout

Rigrodsky & Long, P.A. announces that it is investigating potential legal claims against the board of directors of Platinum Underwriters Holdings, Ltd. (“Platinum” or the “Company”) (NYSE: PTP) regarding possible breaches of fiduciary duties and other violations of law related to the Company’s entry into an agreement to be acquired by RenaissanceRe Holdings Ltd. (“RenaissanceRe”) (NYSE: RNR), in a transaction valued at approximately $1.9 billion.

Under the terms of the agreement, shareholders of Platinum will receive a $10.00 per share special pre-closing dividend with the remainder of the consideration, at their election, consisting of (i) $66.00 per Platinum share in cash, (ii) 0.6504 RenaissanceRe common shares per Platinum share, or (iii) a combination of $35.96 in cash and 0.2960 RenaissanceRe common shares per Platinum share, subject to proration.

The investigation concerns whether Platinum’s board of directors failed to adequately shop the Company and obtain the best possible value for Platinum’s shareholders before entering into an agreement with RenaissanceRe.

If you own the common stock of Platinum and purchased your shares before November 24, 2014, if you have information or would like to learn more about these claims, or if you wish to discuss these matters or have any questions concerning this announcement or your rights or interests with respect to these matters, please contact Seth D. Rigrodsky or Gina M. Serra at Rigrodsky & Long, P.A., 2 Righter Parkway, Suite 120, Wilmington, DE 19803, by telephone at (888) 969-4242; by e-mail to info@rl-legal.com.

Rigrodsky & Long, P.A., with offices in Wilmington, Delaware and Garden City, New York, regularly prosecutes securities class, derivative and direct actions, shareholder rights litigation and corporate governance litigation, on behalf of shareholders in states and federal courts throughout the United States.

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