MOTOR OIL (HELLAS) CORINTH REFINERIES SA

Announcement in the context of the Law 3556/2007: Transaction Acknowledgment

It is hereby announced that on May 22nd, 2013, Mr. Petros T. Tzannetakis, Deputy Managing Director - Chief Financial Officer and Executive BoD Member (person obliged to acknowledge his Stock Exchange transactions on Company shares, according to article 13 of the Law 3340/2005), sold 651 MOTOR OIL (HELLAS) S.A. shares of total value EURO 5,937.12.

Maroussi, May 27th, 2013