Hellenic Exchanges S.A. announces, pursuant to Law 3556/2007 (articles 3 and 21) and in conjunction with article 11 of resolution 1/434/03.07.2007 of the Capital Market Commission, that EFG Eurobank Securities notified it:

1. on 19.09.2008 that it sold on 17.09.2008 2,600 HELEX common registered shares with a total value of 19,342,00 Euro

2. on 19.09.2008 that it purchased on 18.09.2008 2,300 HELEX common registered shares with a total value of 16,672.00 Euro

3. on 19.09.2008 that it sold on 18.09.2008 800 HELEX common registered shares with a total value of 5.888,00 Euro

4. on 19.09.2008 that it purchased on 18.09.2008 3,900 HELEX common registered shares with a total value of 28,352.00 Euro

5. on 19.09.2008 that it sold on 18.09.2008 3,900 HELEX common registered shares with a total value of 28,314.00 Euro

The above transactions 1-3 were made for the derivatives market making account.