Hellenic Exchanges S.A. announces, pursuant to Law 3556/2007 (articles 3 and 21) and in conjunction with article 11 of decision 1/434/03.07.2007 of the Capital Market Commission, that an associated legal person with the non-executive member of the BoD of our Company Mr. Nikolaos Karamouzis (person obliged to disclose such information based on article 13 of Law 3340/2005) sold on 8.8.2007 10,000 common registered shares with a total value of Euro 206,320.00.