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 26.11.2008 that it sold on 24.11.2008 100 HELEX common registered shares with a total value of ευρώ 650.00
2. on 26.11.2008 that it purchased on 25.11.2008 2,400 HELEX common registered shares with a total value of ευρώ 16,352.00
3. on 26.11.2008 that it sold on 25.11.2008 1,000 HELEX common registered shares with a total value of ευρώ 6,790.00
4. on 27.11.2008 that it purchased on 26.11.2008 580 HELEX common registered shares with a total value of ευρώ 3,777.60
5. on 27.11.2008 that it sold on 26.11.2008 680 HELEX common registered shares with a total value of ευρώ 4,441.60
All of the above transactions were made for the derivatives market making account.