Aspect Medical Systems to Present at Cowen Global Health Care Conference November 7, 2006.

NEWTON, Mass. -- Aspect Medical Systems, Inc. (NASDAQ: ASPM) will be presenting at the Cowen Global Health Care Conference in London on Tuesday, November 7, 2006, at 1:45pm GMT. The company's presentation will be made by Nassib Chamoun, president and CEO. The presentation will be conducted live via audio webcast and may be accessed at www.aspectmedical.com on the Investor page, or at www.earnings.com. An archived version will be available from November 7, 2006 through November 14, 2006.

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 17.4 million patients and has been the subject of approximately 2,570 published articles and abstracts. BIS technology is installed in approximately 70 percent of hospitals listed in the July 2006 U.S News and World Report ranking of America's Best Hospitals and in approximately 51 percent of all domestic operating rooms. In the last twelve months BIS technology was used in approximately 16 percent of all U.S. surgical procedures requiring general anesthesia or deep sedation. BIS technology is available in more than 160 countries. Aspect Medical Systems has OEM agreements with seven leading manufacturers of patient monitoring systems.