Investor Presentaiton

2 Track Record: History of improving performance... Repair and Maintenance Cost per BCM (US$/BCM) Production Parameters Delta Dunia Physical Availability ■Loader Hauler 0.49 100% 91.2% 89.5% 90.6% 88.2% 90.3% 88.0% 91.1% 89.7% 87.4% 88.3% 86.9% 87.9% 80% 60% 40% 0.46 20% 0% FY17 FY18 FY19 FY20 FY21 1H22 Utilization Availability 0.43 80% 55.6% 56.9% 57.1% 59.2% 57.3% 58.6% 57.5% 56.5% 57.8% 57.3% 58.4% 59.9% 60% 40% 20% 0% Ave FY13-16 Ave FY17-21E FY22E FY17 FY18 FY19 FY20 FY21 1H22 Initiatives including implementing digital maintenance and taking maintenance fully in-house have helped to extend major components life, resulting in a continuous improvement in Maintenance Costs per BCM moved while maintaining consistent performance - STRICTLY CONFIDENTIAL - 19

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