Investor Presentaiton

Apache DISTINCT SOURCE ROCK AND PARASEQUENCE INTERVALS High frequency, rapidly rising and falling sea level environment UNCONFORMITY Tranquil marine environment, gradually rising worldwide sea level conditions Source Rock Parasequences 3rd BONE SPRINGS WOLFCAMP PENNSYLVANIAN BARNETT WOODFORD DEVONIAN ORGANIC SHALE PARASEQUENCE CARBONATE DEBRIS FLOW ORGANIC SHALE Woodford + Barnett + Penn I Thick, laterally continuous deposition I Oil, wet gas and dry gas windows I Minimal in-situ water Indigenous, organic shale 3rd Bone Springs + Wolfcamp Higher variability with sweet spots I Oil and wet gas windows I Water wet rock I Indigenous shale and migrated hydrocarbons 11

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