NOG ESG and Financial Performance

Substantial Total Proved Reserves Growth over Last 5 Years (1) A 2.4x increase in NOG's total proved reserves over the last 5 years, driven by its acquisition activity is expected to support durable FCF generation and de-risk the future development pipeline. YE TOTAL PROVED RESERVES Net MMBoe, Audited 1) Reserves as of 12/31/22. Excludes MPDC and Forge. 163.3 135.5 122.6 287.7 330.8 2018 2019 2020 2021 2022 Investor Presentation June 2023 | 15 NOG

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