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 13.11.2008 that it sold on 11.11.2008 15,194 HELEX common registered shares with a total value of euro 106,392.30
2. on 13.11.2008 that it purchased on 12.11.2008 6,094 HELEX common registered shares with a total value of euro 42,691.88
3. on 13.11.2008 that it sold on 12.11.2008 2,500 HELEX common registered shares with a total value of euro 17,402.60
All the above transactions were made for the derivatives market making account.