EX-10.13 13 a2201620zex-10_13.htm EX-10.13 AGREEMENT ON THE MANAGEMENT OF PETROLEUM OPERATIONS (JOA) COVERING THE KOMBE-NSEPE PERMIT BETWEEN SOCIETE NATIONALE DES HYDROCARBURES AND PERENCO OIL AND GAS (CAMEROON) LTD. AND KOSMOS ENERGY CAMEROON HC 3,...