Granite Ridge Investor Presentation Deck

Strategy & Execution Appendix Non-GAAP Reconciliation of Inventory Acquisition. $M Overview Property acquisition costs: Proved Property acquisition costs: Unproved Development Costs Total costs incurred for oil and natural gas properties Assets Less: Development costs (excluding drilling carry) Less: Production acquisition Inventory acquisitions 3Q '23 $8,161 11,262 75,726 $95,149 (75,049) (8,161) $11,939 3Q '22 $4,251 7,864 59,898 $72,013 (46,394) $25,619 YTD '23 $27,459 24,053 233,071 $284,583 (222,230) (26,150) $36,203 YTD '22 $12,206 20,653 @ 164,923 $197,782 (139,969) (560) $57,253 GRANITE RIDGE 25

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