HELLENIC EXCHANGES - ATHENS STOCK EXCHANGE S.A.

Announcement

Hellenic Exchanges SA Holding would like to inform investors that it intends to release its financial results for fiscal year 2005 on Thursday February 16th 2005, after the end of trading on Athens Exchange. On the same day, at 18:30, a conference call will follow, where the management of the company will present the results to the investors community and to analysts.