Domestic Inventory and Well Costs

ONE OF THE LARGEST U.S. ACREAGE HOLDERS Rockies 1.2 MM Acres Powder River Basin - 0.4 MM DJ Basin 0.8 MM - Excludes acreage outside of active operating areas Other Onshore 4.6 MM Acres Other Onshore U.S. consists of acreage and fee minerals outside of Oxy's core operated areas 9.4 MM Net Total U.S. Acres 31 Permian 2.8 MM Acres Permian Unconventional - 1.4 MM Permian Conventional - 1.4 MM Gulf of Mexico 0.8 MM Acres NOTE: AS OF 09/30/2022; ACREAGE TOTALS ONLY INCLUDE OIL AND GAS MINERALS; OXY HAS 0.7 MM ONSHORE AND 0.8 MM OFFSHORE NET ACRES ON FEDERAL LAND; ONSHORE FEDERAL ACREAGE COMPRISED OF 0.23 MM PERMIAN RESOURCES, 0.004 MM DJ BASIN, AND POWDER RIVER BASIN, CO2 SOURCE FIELDS, AND OTHER OF 0.49 MM OXY

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