The Greek Minister of Environment and Energy, Giorgos Stathakis, the chairman of the Hellenic Hydrocarbon Management Company, Ioannis Basias and the representatives of the companies Willy Hernandez (Repsol) and Yannis Grigoriou Hellenic Petroleum (ELPE), have signed the contract for the granting of the right to explore and exploit hydrocarbons in the Ionian and Western Greece.