HELLENIC EXCHANGES - ATHENS STOCK EXCHANGE S.A.

Executive appointment

Hellenic Exchange-Athens Stock Exchange (HELEX) informs investors that the Board of Directors of Athens Exchange Clearing House (ATHEXClear), a 100% subsidiary of HELEX, at its meeting on 20.03.2014 appointed Mr. Christos Nikolaidis as Director of the new Risk Management & Clearing Division of ATHEXClear. The new executive assumes his new duties immediately.

Mr. Nikolaidis held the post of Deputy Director in the Trading & Clearing subdivision.