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 16.09.2008 that it sold on 15.09.2008 1,000 HELEX common registered shares with a total value of 7,460.00 euro.
2. on 17.09.2008 that it purchased on 16.09.2008 4,700 HELEX common registered shares with a total value of 34,674.00 euro.
3. on 17.09.2008 that it sold on 16.09.2008 5,600 HELEX common registered shares with a total value of 40,870.00 euro.
The above transactions were made for the derivatives market making account.