Aspect Medical to Webcast Presentation at 30th Annual Deutsche Bank He

    Business Editors/Medical Editors
    Deutsche Bank Securities Health Care Conference 2005


    NEWTON, Mass.--(BUSINESS WIRE)--April 21, 2005--Aspect Medical Systems, Inc. (Nasdaq: ASPM) will be presenting at the 30th Annual Deutsche Bank Healthcare Conference in Baltimore, Maryland at 3:00 p.m. EDT on Tuesday, May 3, 2005. The company's presentation will be made by Nassib Chamoun, president and CEO. The presentation will be conducted live via webcast and may be accessed at www.aspectmedical.com on the Investor page or at http://ccbn.com. An archived version will be available from May 3, 2005 until May 10, 2005.

    About the Company

    Aspect Medical Systems, Inc. (NASDAQ: ASPM) is a global market leader in brain monitoring technology. To date, the company's Bispectral Index (BIS) technology has been used to assess more than 10.4 million patients worldwide and has been the subject of more than 1,800 published articles and abstracts. BIS technology is installed in approximately 36 percent of all domestic operating rooms and is available in more than 160 countries. Aspect Medical Systems has OEM agreements with seven leading manufacturers of patient monitoring systems.

    For further information regarding Aspect Medical Systems, Inc., visit the website at http://www.aspectmedical.com.

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CONTACT: Aspect Medical Systems, Inc. At the Company: Michael Falvey, 617-559-7363 Vice President & CFO or At the Financial Relations Board: General Inquiries George Zagoudis, 312-640-6663 or Analyst Inquiries Diane Hettwer, 312-640-6760 or Media Inquiries Tim Grace, 312-640-6667

KEYWORD: MASSACHUSETTS TRACK INDUSTRY KEYWORD: PHARMACEUTICAL MEDICAL BIOTECHNOLOGY TRADESHOW CONFERENCE CALLS SOURCE: Aspect Medical Systems, Inc.

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