Thomas Weisel Partners Hosts Annual Healthcare Conference

Market Wire, September, 2005

Thomas Weisel Partners, a merchant bank focused on the growth sectors of the economy, will host its annual healthcare conference, September 7 - 9, 2005 at the Four Seasons Hotel in Boston. Institutional investors and top management from over 150 healthcare companies will gather for the three-day investment conference to discuss recent trends in healthcare.

Participating sectors represented at the conference include Biotechnology, Diagnostics, Healthcare Services, Healthcare Technology and Pharmaceutical Services, LifeScience Technology, Medical Devices, and Specialty Pharmaceuticals.

Showcased at our event will be first-class talent who will explore the current state of their respective industries featuring Stephen Dubner, journalist and co-author of "Freakonomics," Paul Root Wolpe, Ph.D., Senior Fellow, Center of Bioethics, University of Pennsylvania, the TWP Research panel, the TWP Medical Devices-Spine Surgeons Panel, and the TWP Diagnostics Panel. A full list of company participants follows:

Abgenix, Inc.
Acusphere, Inc.
Adeza Biomedical Corporation
Advanced Neuromodulation Systems, Inc.
Affymax, Inc.
Affymetrix, Inc.
Agilent Technologies, Inc.
Alexza Pharmaceuticals, Inc.
Alkermes, Inc.
Allion Healthcare, Inc.
American Dental Partners, Inc.
American Medical Systems Holdings, Inc.
AMERIGROUP Corporation
AmerisourceBergen Corporation
AMICAS, Inc.
AmSurg Corp.
Amylin Pharmaceuticals, Inc.
Angiotech Pharmaceuticals, Inc.
Animas Corporation
AnorMED Inc.
Applied Biosystems Group
Aradigm Corporation
Archemix Corporation
Arena Pharmaceuticals
Array BioPharma Inc.
ArthroCare Corporation
athenahealth, Inc.
AtheroGenics, Inc.
AtriCure, Inc.
Auxilium Pharmaceuticals, Inc.
Beckman Coulter, Inc.
Becton, Dickinson and Company
Biomet, Inc.
Biosite Incorporated
Boston Scientific Corporation
Caliper Life Sciences, Inc.
Cambrex Corporation
CancerVax Corporation
Cardinal Health, Inc.
Caremark Rx, Inc.
Celgene Corporation
Centene Corporation
Cephalon, Inc.
Cerner Corporation
Charles River Laboratories International, Inc.
Chemed Corporation
CombiMatrix Corporation
Corcept Therapeutics Incorporated
CoTherix, Inc.
Covance Inc.
Cubist Pharmaceuticals, Inc.
Cytyc Corporation
Dade Behring Holdings, Inc.
Depomed, Inc.
Diagnostic Products Corporation
Digene Corporation
Dionex Corporation
Eurand
ev3 Inc.
EXACT Sciences Corporation
First Horizon Pharmaceutical Corporation
Focus Diagnostics, Inc.
Forest Laboratories, Inc.
FoxHollow Technologies, Inc.
Gen-Probe Incorporated
Gene Logic Inc.
Genzyme Corporation
Gilead Sciences, Inc.
Harvard Bioscience, Inc.
Human Genome Sciences Inc.
ICOS Corporation
IDX Systems Corp.
ImClone Systems Incorporated
Incyte Corporation
Inhibitex, Inc.
Insulet Corporation
Intermagnetics
Invitrogen Corporation
IPC - The Hospitalist Company
ISTA Pharmaceuticals Inc.
Kyphon Inc.
Laboratory Corporation of America Holdings
Lincare Holdings Inc.
Magellan BioSciences, Inc.
McKesson Corporation
MedAssets, Inc.
Medicis Pharmaceutical Corp.
MedImmune Inc.
Mentor Corporation
Metabasis Therapeutics, Inc.
Metabolix, Inc.
Millennium Pharmaceuticals Inc.
Millipore Corporation
Molecular Devices Corporation
Momenta Pharmaceuticals, Inc.
Nabi Biopharmaceuticals
Neurocrine Biosciences, Inc.
NeurogesX, Inc.
NovaMed, Inc.
NuVasive, Inc.
Omnicare, Inc.
Omnicell, Inc.
OmniSonics Medical Technologies
OraSure Technologies, Inc.
Oscient Pharmaceuticals Corporation
Palatin Technologies, Inc.
PAREXEL International Corporation
Peptimmune, Inc.
Per-Se Technologies, Inc.
PerkinElmer, Inc.
Perlegen Sciences, Inc.
Pharmaceutical Product Development, Inc.
Phase Forward Incorporated
Picis, Inc.
Quest Diagnostics Incorporated
Rib-X Pharmaceuticals, Inc.
Rigel Pharmaceuticals, Inc.
RITA Medical Systems, Inc.
Salix Pharmaceuticals
Santarus, Inc.
Senomyx, Inc.
SenoRx
Sepracor, Inc.
SeraCare Life Sciences
Serologicals Corporation
Sirna Therapeutics, Inc.
Stereotaxis, Inc.
Stericycle, Inc.
STERIS Corporation
Stryker Corporation
Symbion, Inc.
Symyx Technologies, Inc.
Syneron Medical Ltd.
Telik, Inc.
The Trizetto Group, Inc.
Theravance Inc.
Thermo Electron Corporation
TomoTherapy Incorporated
United Surgical Partners International Inc.
Varian, Inc.
Varian Medical Systems, Inc.
Vascular Solutions, Inc.
Ventana Medical Systems, Inc.
ViroLogic, Inc.
VistaCare, Inc.
Vital Signs, Inc.
Wright Medical Group, Inc.
Xanthus Life Sciences, Inc.
XDx
Xenogen Corporation
Zimmer Holdings, Inc.
ZOLL Medical Corp.

Thomas Weisel Partners is a merchant bank providing investment banking, institutional brokerage, private client services, private equity investing and asset management focused on the growth sectors of the economy. The Firm's distinctive competence is combining deep domain expertise, superior transaction execution capability, and senior level attention. Thomas Weisel Partners has approximately 550 employees and is headquartered in San Francisco with additional offices in New York, Boston and Palo Alto.

Contact: Ann Akichika 415-364-2746 Email Contact