Investor Presentation June 2023

NOG At-a-Glance (1) Disciplined aggregator of accretive, high-quality minority interests, aligned with the best operators. 1) 2) ~9,400/887 ~260k ~100 GROSS/NET WELLS(2) NET ACRES OPERATORS Marcellus 13% Bakken 52% Permian 35% DIVERSIFICATION BY BASIN 62%/38% 27.5% 2-STREAM OIL/GAS SPLIT Q1-23 ADJUSTED ROCE (3) All data as of March 31, 2023, unless otherwise noted. Does not include recent Forge acquisition Adjusted EBITDA, Adjusted ROCE and Net Debt are non-GAAP financial measures. See Appendix for methodology and reconciliations. 87.4k Q1-23 PRODUCTION BOE/DAY <1.4x NET DEBT : LQA Adj. EBITDA(3) Investor Presentation June 2023 | 4 NOG

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