The document provides business summaries for three medical device companies: Hansen Medical, which develops robotic catheter systems; ViroPharma, which focuses on drugs for infectious diseases; and Stereotaxis, which designs magnetic navigation systems for cardiac catheters.

1. medlife. portfolio. 3Q09.

2. hansen medical 800 East Middlefield Road Mountain View, California 94043 United States Phone: 650.404.5800 Fax: 650.404.5901 Web Site: http://www.hansenmedical.com DETAILS Index Membership: N/A Sector: Healthcare Industry: Medical Appliances & Equipment Full Time Employees: 208 BUSINESS SUMMARY Hansen Medical, Inc. develops, manufactures, and markets medical robotics designed for accurate positioning, manipulation, and stable control of catheters and catheter-based technologies. It focuses on electrophysiology procedures for the diagnosis and treatment of patients, who suffer from abnormal heart rhythms, or arrhythmias, such as atrial fibrillation. The company offers Sensei Robotic Catheter system, which is designed to allow physicians to navigate flexible catheters with stability and control in interventional procedures; disposable Artisan catheter and guide catheter assembly, which consists of a telescoping set of control catheters that are integrated to provide the desired motion of the tip of a diagnostic or therapeutic catheter; and CoHesion 3D Visualization Module, a software interface between its Sensei system and the St. Jude Medical EnSite system to provide physicians with 3D visualization to move a catheter in heart, as well as increase control over placement of the catheter in specific locations. It serves patients, physicians, hospitals, and third-party payers. The company sells its products through direct sales force in the United States; and through direct sales force and distributors primarily in the European Union, as well as internationally. The company has a joint development agreement and a co-marketing agreement with Atrial Fibrillation Division of St. Jude Medical, Inc.; and collaboration agreements with Royal Philips Electronics and GE Healthcare Ltd. Hansen Medical, Inc., formerly known as AutoCath, Inc., was founded in 2002 and is headquartered in Mountain View, California. medlife. portfolio. 3Q09.

3. viropharma 730 Stockton Drive Exton, Pennsylvania 19341 United States Phone: 610.458.7300 Fax: 610.458.7380 Web Site: http://www.viropharma.com DETAILS Index Membership: S&P 600 SmallCap S&P 1500 Super Comp Sector: Healthcare Industry: Biotechnology Full Time Employees: 201 BUSINESS SUMMARY ViroPharma Incorporated, a biopharmaceutical company, engages in the development and commercialization of products that address serious diseases with a focus on products used by physician specialists or in hospital settings in the United States and internationally. Its products include Vancocin HCl capsules for the treatment of antibiotic-associated pseudomembranous colitis caused by Clostridium difficile infection (CDI) and enterocolitis caused by Staphylococcus aureus, including methicillin-resistant strains; and Cinryze for the prevention of hereditary angioedema attacks. The company's products in development include Maribavir, which is in Phase III clinical development stage for the prevention and treatment of cytomegalovirus disease; and non-toxigenic strains of C. difficile, which is in preclinical stage for the treatment and prevention of CDI. It licensed the third product development candidate, an intranasal formulation of pleconaril, to Schering-Plough for the treatment of picornavirus infections in the U.S. and Canada. It sells its products directly to wholesale drug distributors, and specialty pharmacies/specialty distributors. The company has strategic relationships with Eli Lilly and Company, GlaxoSmithKline, Schering-Plough Corporation, and Sanofi-Aventis. ViroPharma Incorporated was founded in 1994 and is headquartered in Exton, Pennsylvania. medlife. portfolio. 3Q09.

4. stereotaxis 4320 Forest Park Avenue Suite 100 St Louis, MO 63108 United States Phone: 314-678-6100 Fax: 314-678-6159 Web Site: http://www.stereotaxis.com DETAILS Index Membership: N/A Sector: Healthcare Industry: Medical Appliances & Equipment Full Time Employees: 183 BUSINESS SUMMARY Stereotaxis, Inc. designs, manufactures, and markets cardiology instrument control system for use in hospital’s interventional surgical suite or interventional lab to treat arrhythmias and coronary artery disease in the United States, Canada, Europe, and internationally. The company offers Niobe system, which comprises Niobe Magnetic Navigation System that navigates catheters, guidewires, and other delivery devices through the blood vessels and chambers of the heart to treatment sites; Navigant, an advanced user interface or physician control center, which helps physicians to visualize and track procedures and to provide instrument control commands that govern the motion of the working tip of the catheter, guidewire, or other interventional device; and Cardiodrive, an automated catheter advancement system, which is used to remotely advance and retract the catheter in the patient’s heart. The company also offers Odyssey Total Information Solution, which consolidates the multiple sources of diagnostic and imaging information found in the interventional lab into a large-screen user interface with single mouse control that can be connected via a private network line to other interventional labs or to a remote clinical call center. The company also markets and sells various disposable interventional devices, including catheters, guidewires, and other delivery devices. Stereotaxis markets its products through direct sales force, distributors, and sales agents. It has strategic partnership with Siemens AG Medical Solutions, Philips Medical Systems, and Biosense Webster, Inc. The company was founded in 1990 and is based in St. Louis, Missouri. medlife. portfolio. 3Q09.