1Q23 Earnings and Operations Update

EOR Provides Large-scale CO2 Associated Storage Today • . More than 20 active EOR floods connected to DEN pipeline infrastructure Cedar Creek Anticline EOR began injection in 1H22 (anticipated production response in 2H23) DEN Class II injection for 2021 totaled approximately 70 Mmtpa (recycled volumes and new purchase) DEN EOR has resulted in cumulative associated storage of >225 million metric tons of CO 2 • Over 400 million metric tons of future CO2 utilization potential in our EOR fields Denbury Inc. 29

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