Ryan & Maniskas, LLP Announces Investigation Of Thomas Weisel Partners Group, Inc.

Ryan & Maniskas, LLP has commenced an investigation into possible breaches of fiduciary duty and other violations of state law by members of the Board of Directors of Thomas Weisel Partners Group, Inc. ("Thomas Weisel" or the “Company”) (NASDAQ:TWPG) in connection with their actions in causing Thomas Weisel to enter into a merger agreement with Stifel Financial Corp. (“Stifel”).

Our investigation concerns possible breaches of fiduciary duty and other violations of law related to approval of the transaction by Company’s board of directors. For more information regarding our investigation please contact Richard A. Maniskas, Esquire toll-free: [phone] or visit: www.rmclasslaw.com/cases/thomasweisel.

Under the proposed agreement, Thomas Weisel shareholders will receive 0.1364 shares of Stifel common stock for each share of Thomas Weisel common stock they own or approximately $7.60 per share based on Stifel’s closing stock price on April 23, 2010.

If you own shares of Thomas Weisel and would like to learn more about these claims or if you wish to discuss these matters and have any questions concerning this announcement or your rights, contact Richard A. Maniskas, Esquire toll-free: [phone] or visit: www.rmclasslaw.com/cases/thomasweisel. You may also email Mr. Maniskas at [e-mail]. For more information about class action cases in general, please visit our website: www.rmclasslaw.com.

Ryan & Maniskas, LLP is a national shareholder litigation firm. Ryan and Maniskas, LLP is devoted to protecting the interests of individual and institutional investors in shareholder actions in state and federal courts nationwide.

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