Investor Presentaiton

Focus on the Highest-Quality Areas No requirement for contiguous acreage allows NOG to participate in prime drilling opportunities across basins or regions Williston Basin: ~179,600 Net Acres Permian Basin: ~36,400 Net Acres DIVIDE BURKE ERIDAN WILLIAM LT UNTRAIL 728 HLAND MCKENZIE NOG Wells in Progress Wells Completed 2021-2023 Note: Maps and acreage as of 9/30/2023. NGS Marcellus Acres: ~56,200 Net Acres GAINES DAWSON BORDE BEAVER EDDY ANDREWS RSON D NN ME STAPK REEVE BUTLER ARMSTRONG ALLEGHENY WINKLER ECTOR SSCOCK WASHINGTON CRANE UP NOG Wells in Progress PE Wells Completed 2021 2023 CROCKETT INDIANA WESTMORELAND FAYETTE GREENE NOG CA SOMERSET Wells in Progress Wells Completed 2021 2023 Investor Presentation November 2023 | 11 NOG

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