It is hereby announced that on September 22nd, 2010, the company "DOSON INVESTMENTS COMPANY", which is closely associated with Mr. Nikos Th. Vardinoyannis, Non-Executive BoD Member of MOTOR OIL HELLAS (person obliged to acknowledge his Stock Exchange transactions on Company shares, according to article 13 of Law 3340/2005), bought 1,800,000 Company shares of total value € 14,400,000.