COAL RESERVES AND RESOURCES STATEMENT Notes: 1 Resources figures reported represent estimates as of 31 December 2025. 2 Resources and Reserves estimates are not precise calculations. 3 The figures reported are rounded to reflect the relative uncertainty of the estimate, which may result in small tabulation discrepancies. 4 Reserves are inclusive and not additional to the Resources. 5 Resources and Reserves are reported on a 100% equity basis. 6 Resources and Reserves have been estimated in accordance with the JORC Code (2012), Australian Guidelines for Estimation and Classification of Coal Resources (2014) and Australian Guidelines for Estimation and Classification of Coal Reserves (2014). * Selling basis Triaryani (TRA) Total area: 2,143ha Permit/tenure: IUP Operasi Produksi/ 22 May 2030 (extendable up to 20 years) Location: Musi Rawas Utara Regency, South Sumatera Province, Indonesia Name of Asset/Country: TRA Coal Mining Concession/Indonesia Category Mineral Type Gross Attributable to License Net Attributable to Issuer Remarks Tonnes (Million) Grade Calorific Value (CV kcal/kg gar) Tonnes (Million) Grade Calorific Value (CV kcal/kg gar) Changes from previous update (%) Reserves Proved Coal 275 3,985 275 3,985 170% Additional infill drilling increases the Coal Resource Categorization Probable Coal 39 3,900 39 3,900 -77% Total Coal 314 3,975 314 3,975 15% Coal mining progress Resources Measured Coal 306 3,865 306 3,865 183% Additional infill drilling increases the Coal Resource Categorization Indicated Coal 63 3,845 63 3,845 -74% Inferred Coal 1 3,655 1 3,655 -97% Total Coal 370 3,860 370 3,860 -4% Coal mining progress Summary of reserves and resources as at 31 December 2025 Name of Qualified Person: Chris Ramsay Date: February 2026 Professional Society Affiliation / Membership: BSc (Geology), M.App.Proj.Mngt, FAusIMM, Australasian Institute of Mining and Metallurgy (AusIMM) – Fellow No. 208206 Calorific value: 4,100 kcal/kg gar* Total sulfur: 0.14% (ar) Ash: 4.0% (ar) 21 GEO ENERGY | ANNUAL REPORT 2025
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