1Q23 Earnings and Operations Update

Well Positioned to Deliver on Class VI Development DEN Clear Leader in Class II CO2 Injection >750 CO2 injection wells operating in the U.S. Top of cement required above USDW Class II Well Class VI Well DEN Class II Injection Wells in U.S. Gulf Coast Count(1) 544 Denbury 64 46 Hilcorp Energy 12 11 Petco Energy Tellus Operating Group TMR Exploration (1) Active Class II permits; filing data from RRC, MSOGB, LNDR Denbury Inc. Highly similar construction Class II vs. Class VI injection well Top of cement required to surface Direct pressure monitoring gauge 33

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