December 4, 2009 - SunTrust Robinson Humphrey Hosting LifeVest Conference Call ZOLL MEDICAL CONTACT: A. Ernest Whiton Chief Financial Officer ZOLL Medical Corporation +1 (978) 421-9655 SUNTRUST ROBINSON HUMPHREY Jonathan Block Director +1 (212) 319-3687 ZOLL MEDICAL CORPORATION TO PARTICIPATE IN CONFERENCE CALL HOSTED BY SUNTRUST ROBINSON HUMPHREY DISCUSSION WILL FOCUS ON LIFEVEST BUSINESS OPPORTUNITY December 4, 2009—Chelmsford, Massachusetts—ZOLL Medical Corporation (NASDAQ GS: ZOLL) announced today that it will participate in a conference call hosted by SunTrust Robinson Humphrey on Thursday, December 10, 2009 at 10:30am EST to discuss the LifeVest® wearable defibrillator business. The call will be hosted by Jonathan Block, Analyst from SunTrust Robinson Humphrey, and will include presentations by ZOLL management and one or more physicians currently knowledgeable about the LifeVest product. Richard A. Packer, Chairman and Chief Executive Officer of ZOLL, commented, “We are very pleased that Jonathan Block has offered to host this call to discuss a very exciting growth engine for ZOLL. We believe this call will provide investors with a significant opportunity to gain additional insight, from multiple perspectives, into what we believe is a very large market opportunity for ZOLL.” In order to join the call, dial (877) 408-8913 and enter passcode: emoore. Alternatively, you can listen to a replay of the call at (888) 568-0506 available following the call. About ZOLL Medical Corporation ZOLL Medical Corporation develops and markets medical devices and software solutions that help advance emergency care and save lives, while increasing clinical and operational efficiencies. With products for defibrillation and monitoring, circulation and CPR feedback, data management, fluid resuscitation, and therapeutic temperature management, ZOLL provides a comprehensive set of technologies which help clinicians, EMS and fire professionals, and lay rescuers treat victims needing resuscitation and critical care. A NASDAQ Global Select company and a Forbes 100 Most Trustworthy Company for the past three years, ZOLL develops and manufactures its products in the United States, in California, Colorado, Illinois, Massachusetts, Pennsylvania, and Rhode Island. More than 400 direct sales and service representatives, 1,100 business partners, and 200 independent representatives serve our customers in over 140 countries around the globe. For more information, visit www.zoll.com.