TWPG Thomas Weisel Prtns Grp (MM)

Thomas Weisel Partners Group, Inc. (NASDAQ: TWPG), a global growth-focused investment bank, today announced its participation in two upcoming securities industry conferences.

--  The Fox-Pitt Kelton Cochran Caronia Waller Global Securities Industry
    Conference in New York on Wednesday, May 20, 2009.  Lionel F. Conacher,
    President and Chief Operating Officer, is scheduled to present at 8:00 a.m.
    Eastern time.

--  The Sandler O'Neill + Partners Global Exchange and Electronic Trading
    Conference in New York on Friday, June 5, 2009.  Lionel F. Conacher,
    President and Chief Operating Officer, is scheduled to present at 10:00
    a.m. Eastern time.
    

A live audio webcast and a copy of the presentation materials will be available directly through the firm's website, http://www.tweisel.com/AboutUs/InvestorRelations/Webcasts, on the appropriate dates and times mentioned above. For those who cannot listen to the live broadcast, an audio replay will also be available through the above referenced website one hour following the completion of each presentation for 14 days. The presentations made at both events may include forward-looking statements, including guidance as to future results.

About Thomas Weisel Partners Group, Inc.

Thomas Weisel Partners Group, Inc. is an investment bank, founded in 1998, focused principally on the growth sectors of the economy. Thomas Weisel Partners generates revenues from three principal sources: investment banking, brokerage and asset management. The investment banking group is comprised of two disciplines: corporate finance and strategic advisory. The brokerage group provides equity and convertible debt securities sales and trading services to institutional investors, and offers brokerage, advisory and cash management services to high-net-worth individuals and corporate clients. The asset management group consists of: private equity, public equity and distribution management. Thomas Weisel Partners is headquartered in San Francisco with additional offices in Baltimore, Boston, Calgary, Chicago, Denver, New York, Portland, Silicon Valley, Toronto, London and Zurich. For more information, please visit www.tweisel.com.