Following a decision of its Board of Directors dated January 25, 2007 to cover 533,334 stock options granted pursuant to Articles L.225-177 et seq. of the French Commercial Code in the framework of its share buyback programme which was implemented on June 2, 2006, Ipsen (Euronext:FR0010259150) (Paris:IPN) entered into an agreement with a financial institution relating to the implementation of this programme for a period of approximately 6 months.