Investor Presentaiton

2018 Guidance Kosmos KOSMOS ENERGY. Equatorial Guinea - Equity Method Investment¹ 1Q FY 1Q Cargos 2018 2018 2018 Gross Production FY 2018 43,000 Jubilee TEN Ghana 1 7 (Bopd) 1 4 2 11 Cargos² 3 10 Avg. Cargo Size (MBbls) ~975 ~975 Avg. Cargo Size (MBbls) ~1,000 ~1,000 Opex ($/bbl) $21.00 $23.00 $14.00 $17.00 Opex ($/bbl) $13.00-$15.00 DD&A ($/bbl) $27.00 $28.00 $24.00 $26.00 DD&A ($/bbl) $24.00 $26.00 G&A ($MM) % Cash $30 65% $100 65% Taxes ($/bbl) % Cash $11.00 $13.00 60% Exploration Expense Average of $30mm per quarter Capex ($MM) $5 (Non Dry Hole) Taxes ($/bbl) % Current Total Capex ($MM) Ghana Exploration $2.50-$3.50 100% Suriname Drilling Seismic $3.00 - $4.00 100% $300 $110 $50 $80 $50 $10 New Ventures Corporate 1. 2. Represents 100% interest in our equity method investment Kosmos Trident International Petroleum Inc (KTIPI). Kosmos owns a 50% interest in KTIPI which holds an 85% participating interest in the Ceiba Field and Okume Complex through its wholly-owned subsidiary, Kosmos-Trident Equatorial Guinea Inc. ("KTEGI"), representing a 40.375% net indirect interest to Kosmos. Entitlement share of production net to KTIPI in which Kosmos holds a 50% interest 23

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