Athens, August 4, 2023

Announcement

GEK TERNA S.A. informs the Investors that, in compliance with Regulation (EU) No 596/2014 of the European Parliament, the Commission Delegated Regulation (EU) 2016/1052 and according to article 49 of Law 4548/2018, as amended and currently in force, proceeded on August 3, 2023 with the purchase of 18,000 GEK TERNA's shares at an average price of 13.8256 euros per share and at a total transaction value of 248,861.60 euros.