YUMNA FIELD, OMAN The following reserves and resources tables have been extracted from the independent summary Qualified Person’s Report (QPR) dated 17 March 2025, prepared by Exceed Torridon Limited. With reference to the Company’s announcement on 18 March 2025, an extract from the independent summary QPR of the reserves of the Yumna Field which is attributable to MOL, a subsidiary in which the Company has an indirect 87.5 per cent interest, is provided below: MOL Net Entitlement Volume 2, 3 Rex’s 87.5% Net Entitlement Volume 2, 3 Category Gross Attributable to Licence (MMstb)1, 2 Previous Report (MMstb)4 Current Report (MMstb)5 % Change from Previous Update Previous Report (MMstb)4 Current Report (MMstb)5,7 % Change from Previous Update Risk Factors6 Remarks RESERVES Low 1P 0.6 1.0 0.4 -60% 0.9 0.4 -55% NA Change due to production5, improved terms, change in REX share of Masirah, maturation of reserves and updated volumetrics Base 2P 4.8 2.0 3.7 +85% 1.8 3.2 +77% NA Change due to production5, improved terms, change in REX share of Masirah, maturation of reserves and updated volumetrics High 3P 5.3 2.9 4.1 +41% 2.7 3.6 +33% NA Change due to production5, improved terms, change in REX share of Masirah, maturation of reserves and updated volumetrics Notes: 1. Gross field Reserves (100% basis) after economic limit test as of 31 December 2024. 2. Economic cut off year for the 1P, 2P and 3P reserves are December 2025, January 2029, and January 2029 respectively. 3. Company net entitlement Reserves after economic limit test. 4. Volume as of 31 December 2023. 5. Volume after subtraction of net entitlement production plus revision and maturation of reserves. 6. No risk is applied to Reserves. 7. Rex International Holding Limited’s share has reduced to 87.5% through various transactions from 91.81% in the previous report. NA denotes not applicable. MMstb: Million stock tank barrels 1P: The low estimate of Reserves (proved). There is estimated to be a 90% probability that the quantities remaining to be recovered will equal or exceed this estimate 2P: The best estimate of Reserves (proved+probable). There is estimated to be a 50% probability that the quantities remaining to be recovered will equal or exceed this estimate 3P: The high estimate of Reserves (proved+probable+possible). There is estimated to be a 10% probability that the quantities remaining to be recovered will equal or exceed this estimate As of 31 December 2024, the Yumna Field had produced 9.07 MMstb. Based on the recoverable reserves estimate from the 2024 work, the remaining reserves are presented in the table above. The produced volumes have been subtracted from the updated remaining reserves volumes for each of the three cases (Low, Base, High) on a gross basis attributable to the licence, and on a net entitlement basis to MOL (as presented in the table above). Name of Qualified Person: Stephen Hayhurst Date: 17 March 2025 Professional Society Affiliation / Membership: Chartered Engineer (CEng), Fellow of the Energy Institute (FEI) , Society of Petroleum Engineers (SPE) Annual Report 2024 5 2
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