GEK TERNA S.A.

Announcement – Notification of modification in voting rights

GEK TERNA informs the Investors that on December 10, 2013, proceeded with the transfer of 3,279,432 common nominal shares and of equal number voting rights, i.e. 3.00%, out of the total of 53,463,665 common nominal shares and of equal number voting rights, i.e. 48.9091%, which it owned in the subsidiary company TERNA ENERGY SA, to the company York Global Finance Offshore BDH (Luxembourg) S.a.r.l.

The aforementioned transaction has been executed in accordance with the Agreement dated November 4, 2013 and at a purchase price of 3.14 € per share, amounting therefore to a total transaction value of 10,297,416.48 €.

Following the above transaction GEK TERNA currently owns directly 50,184,233 shares and equal number voting rights, i.e. 45.9081% of the total share capital of the company TERNA ENERGY SA.