X0202 3 2006-02-01 1 0001340354 Thomas Weisel Partners Group, Inc. TWPG 0001349708 Manson Mark C/O THOMAS WEISEL PARTNERS GROUP, INC. ONE MONTGOMERY STREET, SUITE 3700 SAN FRANCISCO CA 94104 0 1 0 0 DR. Rsch & Co-DR of E. Cst Ops No securities are beneficially owned. Exhibit No. Description 24 Power of Attorney /s/ Mark Manson 2006-02-01