Domestic Inventory and Well Costs

OXYCHEM MARKET LEADING POSITION • 23 owned facilities worldwide Integrated assets capture benefits of favorable market conditions о о о Top tier global producer in every product produced о о Largest merchant caustic soda seller in the world Largest VCM exporter in the world 2nd largest caustic potash producer in the world 3rd largest chlor-alkali producer in the world with 17 unique outlets for chlorine 3rd largest domestic supplier of PVC Full-cycle positive cash flow generation 31 awards from the American Chemistry Council for 2021 safety and environmental performance $ MM 28 2,500 Pre-Tax Earnings (EBIT)1 2,000 1,500 1,000 500 0 2,000 1,600 1,200 800 400 0 Caustic and PVC $/ton 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022E Full-Year Guidance Profitability Drivers 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 -Caustic Soda Price² 10XYCHEM PRE-TAX EARNINGS EXCLUDE ITEMS AFFECTING COMPARABILITY 2US EXPORT SPOT GULF PRICE 3NEXANT US PRICE -PVC Price³ OXY

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