Investor Presentaiton

Q2 2023 Production by Commodity and Basin (% Boe) Oil cut for the quarter was lower than full year expectations at 60% due to Q2 gas production outperformance and deferrals from the Williston. NOG expects oil to trend higher to a range of 62% to 63% for full year 2023. 60% Commodity Type Oil Gas 40% 30% 34% Williston 70% ■ Oil ■ Gas Permian 66% Marcellus 100% ■ Gas ■ Oil ■ Gas Investor Presentation September 2023 | 33 NOG

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