Announcement

Announcement of regulated information according to Law 3556/2007

30 May 2008 ? 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 29.05.2008 that it sold on 27.05.2008 1,800 HELEX common registered shares with a total value of €23,046.00

b)   on 29.05.2008 that it purchased on 28.05.2008 2,200 HELEX common registered shares with a total value of €27,536.00

c)   on 30.05.2008 that it sold on 29.05.2008 8,700 HELEX common registered shares with a total value of €107,388.00

d)   on 30.05.2008 that it purchased on 29.05.2008 1,000 HELEX common registered shares with a total value of €12,600.00