GEK TERNA S.A.

Announcement

GEK TERNA SA informs the Investors that the 1H2009 financial results will be announced on Thursday, August 27, 2009 after the end or trading session on Athens Stock Exchange and they will be published in the Press, the company's website (www.gekterna.gr) as well as the website of the Athens Exchange (www.ase.gr) on Friday, August 28, 2009