HELLENIC EXCHANGES - ATHENS STOCK EXCHANGE S.A.

End of the share buyback program

Hellenic Exchanges- Athens Stock Exchange (ATHEX) informs investors about the completion/end of the share buyback program, which had been approved in accordance with the provisions of article 16 of codified law 2190/1920, as in force, by the Annual General Meeting on 20 May 2015, during which it was decided, among others, that the Company acquire through the Athens Exchange, over a twenty four (24) month period starting on the date the decision was taken, common registered shares of the Company up to 10% of the paid in share capital (i.e. up to a maximum of 6,536,856 shares), at a price range between EUR1,50 per share (minimum) and EUR7,00 per share (maximum).

During the abovementioned program, and in implementation of the abovementioned decision of the Annual General Meeting of shareholders based on Regulations (EU) 1052/2016 and 596/2014, the Company purchased in total 5,020,563 common registered shares, corresponding to 7.68% of the share capital, at an average price of EUR4.63 per share, paying a total of EUR23,244,794.18.