ERNST & YOUNG (HELLAS) CERTIFIED AUDITORS S.A.

Ernst & Young is a leading professional services firm, providing assurance and advisory business services, tax planning and compliance services and transaction advisory services in an independent, objective and ethical manner. Email: info@gr.ey.com Address: 8B Chimaras Street Post Code: 151 25 MAROUSSI Telephone: 210 288.6000 Website: www.ey.com/eyse

ELFON LTD.

Manufacturer of wiring harnesses, cable assemblies,electronic and electromechanical assemblies for aerospace and defence applications. Manufacturer of Renewable Energy inverters for self-consumption and parallelism to the grid. Hydrogen System Integration Email: info@elfon.gr Address: 6 Kolomvou Street Post Code: 153 51 PALLINI, ATTIKI Telephone: 210 603.7020 Website: www.elfon.gr, www.cleanenergyapps.com