A person with representative authority:
Ioannis Papadimitriou, Stylianos Theodosiou, Lydia Atanasova Gerdzhikova, Panagiotis Lolos, Spiridon Kokolis, A: By any two of the following members of the Board of Directors, acting together: Ioannis Papadimitriou, Stylianos Theodosiou, Panagiotis Lolos and Spyridon Kokolis or B: By Lidiya Atanasova Gerdzhikova, acting together with any of the members of the Board of Directors listed in point A above.