The company "TERNA ENERGY S.A." announces that, according to the article 21 of Law 3556/2007 and the article 11 of the Decision No. 1/434/3.7.2007 of the Capital Market Committee, Mr. Konstantinos Dimopoulos, Financial Manager of the Company (Obligated Person, according to article 13 of Law 3340), proceeded to the purchase of 1,000 common nominal shares on 18/5/2010, at a total value of 3,549.20 €.