HELLENIC EXCHANGES - ATHENS STOCK EXCHANGE S.A.

Announcement according to Law 3556/2007

The Company Hellenic Exchanges S.A. announces that, 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, 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 2.8.2007 39,391 common registered shares with a total value of Euro 812,045.90.