HOUSTON–(BUSINESS WIRE)–Chevron Corporation (NYSE: CVX), via its four Dutch subsidiaries, together with HELLENiQ ENERGY has today signed Lease Agreements with the Hellenic Republic which will enable exploration of four blocks offshore Greece. The blocks are located south of Crete (South Crete 1, South Crete 2) and within the Peloponnese (South of Peloponnese, and Block A2). The awarded consortium, in which Chevron holds a 70% operating interest and HELLENiQ ENERGY a 30% interest, was selected