HELLENIC EXCHANGES - ATHENS STOCK EXCHANGE S.A.

Share buyback

Hellenic Exchanges- Athens Stock Exchange (ATHEX) informs investors that, based on §4 article 4 of the European Commission Regulation 2273/2003, and in implementation of the decision of the Annual General Meeting of shareholders of the Company of 20.5.2015, it purchased own shares; in particular, on 04.10.2016, 18,000 own shares were purchased, at an average price of €4.23 per share, and total transaction cost of €76,155.38.

The transactions took place through the member of Athens Exchange “Eurobank Equities”.

Following the above mentioned purchases, the Company today possesses 3,177,977 own shares (4.86% of the 65,368,563 shares outstanding).