10 September 2008 - 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 09.09.2008 that it purchased on 05.09.2008 2,000 HELEX common registered shares with a total value of €15,574.00

2.      on 09.09.2008 that it sold on 05.09.2008 200 HELEX common registered shares with a total value of €1,620.00

3.      on 09.09.2008 that it purchased on 08.09.2008 5,600 HELEX common registered shares with a total value of €45,397.60

4.      on 09.09.2008 that it sold on 08.09.2008 700 HELEX common registered shares with a total value of €5,666.00

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