HELLENIC EXCHANGES - ATHENS STOCK EXCHANGE S.A.

Announcement of regulated information according to Law 3556/2007

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 26.09.2008 that it sold on 24.09.2008 500 HELEX common registered shares with a total value of euro 4,282.00
2. on 26.09.2008 that it purchased on 24.09.2008 1,682 HELEX common registered shares with a total value of euro 14,465.20
3. on 26.09.2008 that it sold on 24.09.2008 1,682 HELEX common registered shares with a total value of euro 14,465.20
4. on 26.09.2008 that it purchased on 25.09.2008 61,078 HELEX common registered shares with a total value of euro 534,044.90
5. on 26.09.2008 that it sold on 25.09.2008 4,000 HELEX common registered shares with a total value of euro 34,960.00
6. on 26.09.2008 that it purchased on 25.09.2008 8,650 HELEX common registered shares with a total value of euro 74,736.00
7. on 26.09.2008 that it sold on 25.09.2008 10,750 HELEX common registered shares with a total value of euro 93,763.22
The transactions 1, 6 and 7 were made for the derivatives market making account.