TERNA ENERGY S.A.

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

TERNA ENERGY SA, according to L.3556/2007 and based on a relevant notification received by the shareholder GEK TERNA SA, discloses that there was a change (decrease) cumulatively over 3% in the voting rights it holds.

Date of previous notification: December 5, 2014

Number of shares and equal number of voting rights: 45,051,059 namely a percentage of 41.2124% on the total voting rights of the company TERNA ENERGY SA

Date of change (decrease) cumulatively over 3%:  March 15, 2018

Number of shares and equal number of voting rights: 43,211,556 namely a percentage of 37.9318% on the total voting rights of the company TERNA ENERGY SA