GEK TERNA S.A.

Disclosure of significant change in voting rights according to L. 3556/2007

GEK TERNA SA, according to L.3556/2007 and based on relevant notification received by the shareholder "MORGAN STANLEY AND CO INCORPORATED NEW YORK" discloses that there was a change in the voting rights as follows:
Date of transaction on which the percentage of voting rights crosses the threshold of 5%: January 18, 2011. Situation previous to the triggering transaction: Number of shares and voting rights 4,292,254 namely 4.998% of the total voting shares of the company GEK TERNA SA. Situation after the triggering transaction: Number of shares and voting rights 4,297,254 namely 5.004% of the total voting shares of the company GEK TERNA SA.