The Cretaceous Play Exploration Overview

Can "The Cretaceous Play" Be Exported? Concerns • Complicated reservoir architecture/geometry o Influence of salt tectonics • Reservoir deliverability o Less mature sands (carbonates) • Trap and seal integrity Export of core Cretaceous theme IRELAND MOROCCO m PanAtlantic Adoption of salt basin theme • o Influence of salt tectonics Charge access/focus o Younger reservoirs are vertically and laterally disconnected from older source horizons • Overall play and prospect risk SURINAME SOUTH AMERICA MAURITANIA AFRICA GHANA Re-entry into core Cretaceous theme Going up, not down "First Inning" Petroleum System Tests From Kosmos Investor Presentation (2014) Potential "Second Inning" Petroleum System Tests Howard Well March 2014 12

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