Investor Presentaiton

Leading Non-Op Upstream Franchise Q3-23 PRODUCTION BY REGION (BOE) Appalachia 10% Permian 42% MT ND 임금 SD NM TX Williston Permian • • NOG's acquisitions have created a high return, national non-op franchise that is benefitting from economies of scale; ~18,800 net acres were added to Permian footprint from Q1-23 through Q3-23 ⚫ NOG is positioned to continue to capitalize on increased non-operated opportunities as the preferred non-op consolidator Region Williston 48% PA Appalachia Q3-23 PRODUCTION BY COMMODITY (BOE) Commodity Type Oil Gas 62% 0 38% Investor Presentation November 2023 | 5 NOG

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