Investor Presentation June 2023

Focused on the Highest-Quality Areas No requirement for contiguous acreage allows NOG to participate in prime drilling opportunities across basins or regions. Williston Basin: ~181,200 Net Acres Permian Basin: ~30,000 Net Acres Marcellus Acres: ~59,200 Net Acres DIVIDE BURKE SHERIDAN SEVELT WILLIAMS EDDY M'OLUNTRAIL RICHLAND MCKENZI AWSON NOG Wells in Progress Wells Completed 2021 - 2022 WIBAUX VALLEY Note: Acreage as of 03/31/23. ILLINGS STARK ME RSON NOG RUTLER ARMSTRONG GAINES DAWSON BORDEN BEAVER INDIANA ANDREWS ALLEGHENY WINKLER ECTOR AASCOCK WASHINGTON Wells in Progress Wells Completed 2021 2022 CRANE WESTMORELAND FAYETTE GREENE NOG SOMERSET Wells in Progress Wells Completed 2021-2022 کے Investor Presentation June 2023 | 10 NOG

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