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 decision 1/434/03.07.2007 of the Capital Market Commission, that EFG Eurobank Securities notified it:
a) on 08.07.2008 that it purchased on 04.07.2008 2,000 HELEX common registered shares with a total value of euro 16,860.00
b) on 08.07.2008 that it sold on 04.07.2008 5,800 HELEX common registered shares with a total value of euro 48,745.94
c) on 08.07.2008 that it purchased on 07.07.2008 1,600 HELEX common registered shares with a total value of euro 13,644.00
d) on 08.07.2008 that it sold on 07.07.2008 4,900 HELEX common registered shares with a total value of euro 41,333.40
The above mentioned transactions were made for the derivatives market making account.