June 9, 2004

FOR: ZOLL Medical Corporation

INVESTOR CONTACT: A. Ernest Whiton
Chief Financial Officer
ZOLL Medical Corporation
(978) 421-9655
PRESS CONTACT: Robert Minicucci
Corporate Communications Manager
ZOLL Medical Corporation
+1 (978) 421-9832
rminicucci@zoll.com



FOR IMMEDIATE RELEASE

ZOLL MEDICAL CORPORATION TO SPEAK AT THOMAS WEISEL PARTNERS GROWTH FORUM

Wednesday, June 09, 2004 – Chelmsford, MA, June 9, 2004, – ZOLL Medical Corporation (Nasdaq: ZOLL), a manufacturer of non-invasive cardiac resuscitation devices which provide pacing and defibrillation, today announced that Richard A. Packer, its Chief Executive Officer will speak at 9:20 a.m. (PT) on Tuesday, June 15, 2004 in Laguna Beach, California at the Thomas Weisel Partners Growth Forum. Mr. Packer will discuss ZOLL’s business highlights and its financial results and outlook. In addition, he may answer one or more questions concerning business and financial developments, matters and trends, some of the responses to which may contain information that has not been previously disclosed.

The audio presentation will be webcast live over the Internet at:

http://www.veracast.com/webcasts/twp/growth-forum-2004/81204145.cfm

About ZOLL Medical Corporation
ZOLL Medical Corporation (NASDAQ: ZOLL) designs, manufactures, markets, or sells non-invasive resuscitation devices and software solutions. They include pacing and defibrillation devices (ZOLL’s M Series™ and AED Plus™, and LIFECOR, Inc.’s LifeVest™ Wearable Defibrillator); circulatory assist devices (Advanced Circulatory Systems, Inc.’s ResQPOD™ Circulatory Enhancer and Revivant Corporation’s AutoPulse™); and a fluid resuscitation product called the Power Infuser®, manufactured by Infusion Dynamics, a division of ZOLL. These devices help healthcare professionals, emergency medical service providers, and first responders diagnose and treat victims of trauma, as well as sudden cardiac arrest.

Additionally, through its subsidiary ZOLL Data Systems, ZOLL designs and markets software that automates the collection and management of both clinical and non-clinical data. With direct operations, international offices, and business partners in all of the world’s major markets, ZOLL markets and sells its products in more than 140 countries. For more information, visit www.zoll.com or call +1 (978) 421-9655.

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