Investor Presentation June 2023

Track Record of Executing on Large-Scale Accretive Investments NOG has been an active participant in M&A. Since 2018, the Company has completed over $2.7 billion of accretive acquisitions. (1) 2018 2019 2021 2022 2023 • • Salt Creek $60MM • VEN Bakken $316MM • Reliance Marcellus $141MM • Veritas $409MM MPDC Mascot $320M • Forge $162M . Pivotal $146MM • • Delaware $102MM • Williston Bolt-on $160MM • W Energy $342MM 1) The Company did not participate in large package M&A in 2020. • Comstock $150MM • • • Laredo $110MM • Alpha $164MM • • Delaware $132MM Investor Presentation June 2023 | 11 NOG

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