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 02.07.2008 that it purchased on 01.07.2008 3,000 HELEX common registered shares with a total value of euro 24,526.00
b) on 02.07.2008 that it sold on 01.07.2008 11,100 HELEX common registered shares with a total value of euro 89,986.50
The above mentioned transactions were made for the derivatives market making account.