FEDERAL REPUBLIC OF BRAZIL MINISTRY OF MINES AND ENERGY DRAFT OF CONCESSION CONTRACT FOR EXPLORATION AND PRODUCTION OF OIL AND NATURAL GAS NO______ BY AND BETWEEN NATIONAL AGENCY OF PETROLEUM, NATURAL GAS AND BIOFUELS - ANP AND «Signa2» «Signa3»...August 3rd, 2015FiledAugust 3rd, 2015