May 18, 2010 - ZOLL Defibrillators Ranked #1 in User Satisfaction INVESTOR CONTACT: A. Ernest WhitonChief Financial OfficerZOLL Medical Corporation+1 (978) 421-9655 MEDIA CONTACT: Diane EganZOLL Medical Corporation+1 (978) firstname.lastname@example.org ZOLL DEFIBRILLATORS ARE RANKED NUMBER ONE IN USER SATISFACTION ZOLL Rated Highest among Hospital Defibrillator Manufacturers May 18, 2010─CHELMSFORD, MASS.–ZOLL Medical Corporation (Nasdaq GS: ZOLL), a manufacturer of medical devices and related software solutions, announced today that ZOLL defibrillators are ranked number one in customer satisfaction by U.S. hospitals in a survey conducted by MD Buyline, the leading healthcare intelligence firm. ZOLL received the highest overall ranking among the leading hospital defibrillator manufacturers. The MD Buyline rankings measure user satisfaction, and ZOLL received top honors in all seven performance categories: System performance System reliability Installation/Implementation Applications training Service response time Service repair quality Composite rating “It is gratifying to be so highly rated by the hospital industry, particularly given that ZOLL’s products are designed with our customers in mind. Our mission is to help customers achieve clinical success and improve patient outcomes,” said Jonathan A. Rennert, President of ZOLL. To compile the rankings, MD Buyline analysts interview physicians, nurses, technologists, biomedical techs, engineers, and virtually anyone with hands-on experience with defibrillators. MD Buyline calls hundreds of medical equipment users and healthcare IT product users on a daily basis asking them to rate the technology they are using on a scale of 1 to 10. The ratings are gathered on a quarterly basis and are valid for 12 months. About MD Buyline Founded in 1983, MD Buyline is dedicated to providing the most comprehensive information and consulting services to assist hospitals and healthcare facilities with the researching, planning, budgeting, and purchasing of healthcare products. MD Buyline provides the industry’s broadest array of databases and custom services focused on the entire capital equipment lifecycle. Its custom quote and contract analysis is the most widely used service in the industry by hospitals and healthcare systems. MD Buyline ensures its members that they are receiving the maximum value on capital budget dollars. MD Buyline is a privately held company based in Dallas, Texas. 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. Certain statements contained in this press release, including statements regarding the future business of the Company, and other statements contained herein regarding matters that are not historical facts, are “forward-looking” statements (as defined in the Private Securities Litigation Reform Act of 1995). Because such statements are subject to risks and uncertainties, actual results may differ materially from those expressed or implied by such forward-looking statements. Factors that could cause actual results to differ materially from those expressed or implied by such forward-looking statements include, but are not limited to, those factors discussed in the section entitled “Risk Factors” in the Company's Quarterly Report on Form 10-Q filed with the SEC on May 14, 2010. You should not place undue reliance on the forward looking statements in this press release, and the Company disavows any obligation to update or supplement those statements in the event of any changes in the facts, circumstances, or expectations that underlie those statements. ©2010 ZOLL Medical Corporation. All rights reserved. 269 Mill Road, Chelmsford, MA 01824-4105. ZOLL is a registered trademark of ZOLL Medical Corporation. All product names are the property of their respective owners.