It is hereby announced that on May 23^rd, 2012, 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), bought 1,000 Company shares of total value ΕΥΡΩ 4,335.

Maroussi, May 24^th, 2012