Domestic Inventory and Well Costs

• OXY'S COMBINED INTEGRATED PORTFOLIO Oil & Gas Focused in world class basins with a history of maximizing recovery Permian Unconventional 1.4 MM net acres including premier Delaware Basin position Strategic infrastructure and logistics hub in place EOR advancements • • OxyChem Leading manufacturer of basic chemicals and significant cash generator Oxy Midstream Integrated infrastructure and marketing provide access to global markets 52 27 22 1.18 MMboed Production Permian Rockies & Other Dmstc. Rockies • A leading position in the DJ Basin 20% о 0.8 MM net acres including vast minerals position 184 Gulf of Mexico 10 active operated platforms Significant free cash flow generation Among the largest producers in Colorado with significant free 523 ■ Gulf of Mexico cash flow generation 151 Emerging Powder River Basin Sizeable inventory of remaining tie-back opportunities 0.4 MM net acres Middle East Algeria & Other Intl. 270 ■ Domestic 80% ■ International Permian Conventional 1.4 MM net acres Significant scale, technical capability, and low-decline production • CCUS potential for economic growth and carbon reduction strategy NOTE: MAP INFORMATION AS OF 09/30/2022 • Latin America Deepwater exploration opportunities • • • Middle East / North Africa High-return opportunities in Oman о 6 MM gross acres, 17 identified horizons Developing Blocks ON-3 and ON-5 in U.A.E. о 2.5 MM gross acres World-class reservoirs in Algeria 0.5 MM gross acres in the Berkine Basin Al Hosn and Dolphin provide steady cash flow with low sustaining capex OXY

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