TORONTO, Oct. 9 /CNW/ - Patheon Inc. (TSX: PTI) announced today that the
Toronto Stock Exchange ("TSX") has accepted Patheon's Notice of Intention to
purchase up to 4.6 million of its restricted voting shares, representing
approximately 5% of the 92,958,688 shares currently outstanding as of
October 3, 2007, by way of normal course purchases on the Toronto Stock
Exchange. In addition, Patheon's aggregate purchase of shares during any
trading day will not exceed 75,457 shares, being 25% of the average daily
trading volume of the shares based on their trading volume on the TSX for the
most recently completed six calendar months preceding the date of the Notice
of Intention, subject to Patheon's ability to make "block" purchases through
the facilities of the TSX in accordance with the TSX rules.