ART Advanced Research Technologies Inc. Secures Letter of Purchase Intent From Sunnybrook for SoftScan Breast Imaging System

MONTREAL, CANADA--(Marketwire - October 25, 2007) - ART Advanced Research Technologies Inc. (“ART”) (TSX: ARA), a Canadian medical device company and a leader in optical molecular imaging products for the healthcare and pharmaceutical industries, is pleased to announce that Sunnybrook Health Sciences Centre (“Sunnybrook”) in Toronto, Canada, has signed a letter of purchase intent (“LOI”) acknowledging the hospital’s significant interest in the SoftScan® optical breast imaging device. In this LOI, Sunnybrook has indicated its intention to move ahead with negociations that could lead to the purchase of a SoftScan device by the end of the first quarter of 2008. Sunnybrook represents the second health facility to initiate a formal purchasing process for a SoftScan imaging system since ART received regulatory approval from Health Canada for commercialization in December 2006.