Thomas Weisel Partners (NASDAQ: TWPG), an investment bank focused on the growth sectors of the economy, will host its annual healthcare conference, September 6-8, 2006 at the Four Seasons Hotel in Boston. Institutional investors and top management from over 170 healthcare companies will gather for the three-day investment conference to discuss recent trends in healthcare.

Participating sectors represented at the conference include Applied Technologies, Biopharmaceuticals, Biotechnology, Environmental Technology and Services, Healthcare Information Technology, Healthcare Services, Life Science Technology, Medical Technology, Pharmaceutical Services and Specialty Pharmaceuticals.

Showcased at our event will be first-class talent such as Andy Kessler, Author of "The End of Medicine: How Silicon Valley (and Naked Mice) Will Reboot Your Doctor." Andy Kessler will speak about the coming 20-year transition from chronic care to early detection and some of the implications for consumers, doctors, healthcare companies and investors. A full list of company participants follows:

ABIOMED, Inc.
Adeza Biomedical Corporation
Adnexus Therapeutics, Inc.
Advancis Pharmaceutical Corporation
Aegerion Pharmaceuticals, Inc.
Affymetrix, Inc.
Agilent Technologies, Inc.
Alkermes, Inc.
Allion Healthcare, Inc.
Allscripts Healthcare Solutions, Inc.
Amedisys, Inc.
American Dental Partners, Inc.
American Medical Systems Holdings
AMERIGROUP Corporation
AMICAS, Inc.
AmSurg Corp.
Amylin Pharmaceuticals, Inc.
Applied Biosystems Group
Apria Healthcare Group Inc.
Archemix Corporation
Array BioPharma Inc.
ArthroCare Corporation
athenahealth, Inc.
AtheroGenics, Inc.
AtriCure, Inc.
Auxilium Pharmaceuticals, Inc.
Axcan Pharma Inc.
Beckman Coulter, Inc.
Becton, Dickinson and Company
BioForm Medical, Inc.
Biogen Idec Inc.
BioMarin Pharmaceutical, Inc.
Biosite Incorporated
Caliper Life Sciences, Inc.
Caremark Rx, Inc.
CBLPath, Inc.
Celera Genomics
Celgene Corporation
Centene Corporation
Cephalon, Inc.
Cerner Corporation
Charles River Laboratories International
Chemed Corporation
Corcept Therapeutics Incorporated
Covance Inc.
Critical Therapeutics, Inc.
Cubist Pharmaceuticals, Inc.
Cytyc Corporation
Dade Behring Holdings, Inc.
Danaher Corporation
deCODE genetics, Inc.
Depomed, Inc.
Digene Corporation
Dionex Corporation
Eclipsys Corporation
Emageon Inc.
ev3 Inc.
Express Scripts, Inc.
Forest Laboratories, Inc.
FoxHollow Technologies, Inc.
Gen-Probe Incorporated
Genentech, Inc.
Genomic Health, Inc.
Genzyme Corporation
Gilead Sciences, Inc.
Guava Technologies, Inc.
Harvard Bioscience, Inc.
HealthSouth Corporation
Helicos Biosciences Corporation
Human Genome Sciences Inc.
ICOS Corporation
Idenix Pharmaceuticals, Inc.
Incyte Corporation
Indevus Pharmaceuticals, Inc.
Inhibitex, Inc.
Inotek Pharmaceuticals Corporation
Inovio Biomedical Corporation
Inspire Pharmaceuticals, Inc.
Insulet Corporation
InterMune, Inc.
ISTA Pharmaceuticals, Inc.
Kinetic Concepts, Inc.
Kyphon Inc.
Laboratory Corporation of America Holdings
Lincare Holdings Inc.
Magellan Biosciences, Inc.
McKesson Corporation
MDS Inc.
Medarex, Inc.
Medicis
MedImmune Inc.
Metabasis Therapeutics, Inc.
Mettler-Toledo International, Inc.
Millennium Pharmaceuticals, Inc.
Molecular Devices Corporation
Momenta Pharmaceuticals, Inc.
Mytogen, Inc.
Nabi Biopharmaceuticals
NaviMedix, Inc.
NitroMed, Inc.
Northfield Laboratories Inc.
NovaMed, Inc.
Noven Pharmaceuticals, Inc.
NuVasive, Inc.
NxStage Medical, Inc.
Odyssey HealthCare, Inc.
Omnicare, Inc.
Omnicell, Inc.
OraSure Technologies, Inc.
Orthovita, Inc.
Oscient Pharmaceuticals Corporation
Palatin Technologies, Inc.
Paratek Pharmaceuticals, Inc.
PAREXEL International Corporation
Per-Se Technologies, Inc.
PerkinElmer, Inc.
Pharmaceutical Product Development.
Pharmacyclics, Inc.
Pharmion Corporation
Phase Forward Incorporated
Quality Systems, Inc.
Quest Diagnostics Incorporated
Reliant Pharmaceuticals, Inc.
RenaMed Biologics
Rib-X Pharmaceuticals, Inc.
Rigel Pharmaceuticals, Inc.
RITA Medical Systems, Inc.
Salix Pharmaceuticals, Ltd.
Sanarus Medical, Inc.
Santarus, Inc.
Sciele Pharma, Inc.
Sirion Therapeutics, Inc.
Sirna Therapeutics, Inc.
Solexa, Inc.
Somaxon Pharmaceuticals
SpinalMotion, Inc.
Spine Wave, Inc.
Stericycle, Inc.
STERIS Corporation
Stratagene Corporation
Stryker Corporation
SXC Health Solutions, Inc.
Symbion, Inc.
Symyx Technologies, Inc.
Syneron Medical Ltd.
Targacept, Inc.
Telik, Inc.
Tengion, Inc.
The Trizetto Group, Inc.
Theravance Inc.
Thermo Electron Corporation
TissueLink Medical, Inc.
TomoTherapy Incorporated
TorreyPines Therapeutics, Inc.
TranS1, Inc.
UltraShape LTD.
United Surgical Partners International
Vanda Pharmaceuticals Inc.
Varian, Inc.
Vascular Solutions, Inc.
Ventana Medical Systems, Inc.
ViroPharma Incorporated
Visicu, Inc.
VistaCare, Inc.
Vital Images, Inc.
Vital Signs, Inc.
Wright Medical Group, Inc.
Xanthus Pharmaceuticals, Inc.
XDx
Xoft Inc.
Zimmer Holdings, Inc.

Thomas Weisel Partners Group, Inc. is an investment bank focused principally on the technology, healthcare and consumer sectors of the economy. Founded in 1998, the firm's business includes investment banking, brokerage, equity research and asset management services. Thomas Weisel Partners is headquartered in San Francisco, California with additional offices in New York City, Boston, Silicon Valley and Mumbai, India.