MOTOR OIL (HELLAS) CORINTH REFINERIES S.A announces that, following the decision of the Extraordinary General Shareholders Meeting of February 19th, 2003 regarding Buy Back of its own shares, during the period September 1st, 2003 - November 30th, 2003 which was defined by the BoD in its meeting of August 21st, 2003, the Company acquired 55,530 common registered shares at an average purchase price of Euro 6.84 per share.

Total number of own shares in possession of the Company equals 205,890 (average purchase price Euro 6.73 per share) representing a percentage of 0.1858 % of its share capital.