Granite Ridge Investor Presentation Deck

Overview Share Ownership ● Plans to Improve Vehicle for Investors Increase public float and trading volume Diversify shareholder base and enhance investor visibility Expand equity research coverage Completed warrant exchange in 2023 • Added to Russell 2000 Index ● Assets Broaden institutional shareholder participation Ownership Summary as of 11/6/2023 Grey Rock Voting Agreement 1,3 Public Float Non Grey Rock Insiders 2 Total 1. Strategy & Execution Grey Rock Voting Agreement 51.0% Shares 67,842,211 64,985,627 175,146 133,002,984 Ownership Summary Appendix Grey Rock Energy Partners GP III, L.P. ("Fund III"), Grey Rock Energy Partners GP II, L.P. ("Fund II"), and Mathew Miller, Griffin Perry, Thaddeus Darden and Kirk Lazarine entered into a Stockholder Voting Agreement on August 25th, 2023. 2. Non Grey Rock Insiders consists of Granite Ridge management and its three independent directors. 3. Harvest period expirations for Fund II (10.6MM shares) and Fund III (55.4MM shares) are November 2024 and April 2027 respectively. Non Grey Rock Insiders 0.1% Public Float 48.9% % 51.0% 48.9% 0.1% 100.0% GRANITE RIDGE 18

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