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March 27, 2007

RESPECTED PHYSICIANS DELIVER ORAL PRESENTATIONS AND SHARE LATEST INFORMATION ABOUT CTA ADVANCES

MEDIA ALERT/INVITATION — March 27, 2007

WHAT: Toshiba America Medical Systems, Inc. will sponsor an oral presentation titled,Criteria for Defining Coronary Segments Using Computed Tomography: The Core-64 Trialduring this year’s American College of Cardiology (ACC) annual meeting. The presentation will be included within a variety of oral presentations by respected medical experts related toAdvances in Coronary Computed Tomography Angiography. All presentations are free to attendees.

WHO: Armin Arbab-Zadeh M.D.; Assistant Professor of Medicine; Associate Director, Cardiac CT; Division of Cardiology; The Johns Hopkins University School of Medicine. Dr. Arbab-Zadeh will share background, methods, results and conclusions associated with the multi-center international prospective trial comparing coronary multislice computed tomography (MSCT) to conventional coronary angiography (CCA).

WHEN/WHERE: The event will take place on Tuesday, March 27, 2007 at 2:00 p.m. EST at the Ernest N. Morial Convention Center — Room 278, 900 Convention Center Blvd. , New Orleans, LA 70130.

INTERVIEW OPPORTUNITY: Armin Arbab-Zadeh M.D., Johns Hopkins University.

FOR MORE INFORMATION: To request additional information or to arrange an interview, please contact Charlene Jacobs at 714-669-7811.