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 27.10.2008 that it purchased on 23.10.2008 1,100 HELEX common registered shares with a total value of €6,710.00

2. on 27.10.2008 that it sold on 23.10.2008 18,300 HELEX common registered shares with a total value of €120,041.94

3. on 27.10.2008 that it purchased on 24.10.2008 19,600 HELEX common registered shares with a total value of €103,379.04

4. on 27.10.2008 that it purchased on 24.10.2008 1,200 HELEX common registered shares with a total value of €6,526.00

5. on 27.10.2008 that it sold on 24.10.2008 1,220 HELEX common registered shares with a total value of €6,466.00

6. on 27.10.2008 that it sold on 24.10.2008 3,200 HELEX common registered shares with a total value of €16,068.00

7. on 29.10.2008 that it purchased on 27.10.2008 1,800 HELEX common registered shares with a total value of €10,131.06

8. on 29.10.2008 that it sold on 27.10.2008 2.200 HELEX common registered shares with a total value of €13,016.00

All the above transactions, except numbers 4 and 5, were made for the derivatives market making account.