Complaint lodged before the Hellenic Competition Commission against the non-profit legal entity under private law under the name HELLENIC BANK ASSOCIATION” and the companies “DIAS INTERBANKING SYSTEMS S.A.”, “NATIONAL BANK OF GREECE S.A.”, “PIRAEUS BANK S.A.”, “ALPHA BANK S.A.” “EUROBANK S.A.” and “CARDLINK ELECTRONIC TRANSACTION NETWORK MANAGEMENT AND OPERATION SA” (now “SINGLE-MEMBER SOCIETE ANONYME FOR THE MANAGEMENT AND OPERATION OF ELECTRONIC TRANSACTION NETWORKS CARDLINK”)