Announcement of cooperation between HELPE Renewables S.A. and RWE Renewables GmbH

Announcement of cooperation between HELPE Renewables S.A. and RWE Renewables GmbH HELLENIC PETROLEUM Holdings S.A. announces that its subsidiary HELPE Renewables S.A. and RWE Renewables GmbH, a subsidiary of RWE, have signed Heads of Terms (50-50 partnership) for the development, operation and management of offshore wind parks in Greece, as well as their joint participation in tender procedures that the Greek State intends to initiate.