Investor Presentation June 2023

Q1 2023 Cap Ex by Basin Capital Expenditures were weighted toward the Williston Basin in Q1 with emphasis balanced between the Williston and Permian for the remainder of the year. 33% 1% Region 66% Williston Permian Marcellus • Seasonally strong activity as TILS were up -30% vs. Q1 22 . Expecting TIL activity to ramp into the summer as weather clears for completions • Low Marcellus Capex in 2023, activity planned for 2024 turn-in-lines • • While moderate, inflation persists in new AFEs but remains within NOG's forecasted range Workover Activity accounted for ~5% of Drilling & Development CapEx as operators were opportunistic during lower crude price windows Investor Presentation June 2023 | 29 NOG

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