Investor Presentaiton

Greater Tortue: World-Scale, Fast-Track Gas Project KOSMOS Kosmos-BP partnership aligned to deliver low cost, highly competitive gas project on accelerated pace with room for expansion ENERGY. • 15 Tcf gas resource - World scale gas field underpins leading LNG project 10 mmtpa project would be expected to generate cash flow of ~$350 MM/yr net to Kosmos over ~20+ year plateau • Innovative development solution - BP-led phased development expected to FID - around end 2018 and deliver first gas in late 2021 2.5 mmtpa first phase development establishes infrastructure for future expansion First phase delivers early cash flow and substantially funded by BP carry Cost competitive with Atlantic Margin LNG First phase using cost competitive, industry-led liquefaction solution - High-quality reservoir and resource density leads to fewer wells and more efficient development Future expansion planned, providing economies of scale $2 1. Source: Goldman Sachs 0 10 20 KM 0 4 8 12 MILES Tortue $18 $16 $14 $12 Tortue $10 $8 $6 $4 HOUSTON Lowest Decile on LNG Cost Curve¹ $- Australia / Asia East Africa North America Russia West Africa 13

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