Notification about a significant change in the number of voting rights (Law 3556/2007) - 20 May 2008

Notification about a significant change in the number of voting rights (Law 3556/2007)

Announcement

Notification about a significant change in the number of voting rights (Law 3566/2007)

20 May 2008 ? MORGAN STANLEY informed the Company in writing on 19.05.2008 that on 13.5.2008 it sold common registered shares with a voting right of HELLENIC EXCHANGES S.A. HOLDING CLEARING SETTLEMENT & REGISTRY (HELEX). Following the abovementioned transaction, MORGAN STANLEY indirectly holds 4.991% of the share capital of HELEX (from 5.092% before the transaction).