OPTIMA BANK S.A. executed the above-mentioned stock exchange transactions in its capacity as market maker: of the Futures Contracts of the common stock of MOTOR OIL (HELLAS) CORINTH REFINERIES S.A. and of the Bonds issued by MOTOR OIL (HELLAS) CORINTH REFINERIES S.A. The above stock exchange acknowledgements on OPTIMA BANK S.A. behalf to the Company and the subsequent announcement of the Company to the Capital Market Competent Authorities, are made because Mr. Petros Tzannetakis is a Non-Executive member of the Board of OPTIMA BANK S.A. and at the same time he is an Executive member of the Board of MOTOR OIL (HELLAS) CORINTH REFINERIES S.A. Mr. Petros Tzannetakis is a person obliged to acknowledge his stock exchange transactions with subject the securities issued by MOTOR OIL (HELLAS) CORINTH REFINERIES S.A. (article 19 of EU Regulation 596/2014).