HELLENIC EXCHANGES - ATHENS STOCK EXCHANGE S.A.

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

THE LONDON AND AMSTERDAM TRUST COMPANY LIMITED informed the Company in writing on 06.12.2013 that, because of a triggering transaction on 27.11.2013 it directly holds 5.01% of the share capital of HELEX (from 4.97% before the transaction).