Investor Presentaiton

Overburden Removal (OB) (million BCM) 50 39.0 37.8 40 36.1 30.4 30 20 20 10 0 2Q21 1Q22 2Q22B 2Q22 Note B stands for Budget Figure (in million BCM) 1Q22 2Q22B 2Q22 Teguh Sinarabadi / Firman 7.0 9.5 7.3 Ketaun Perkasa Perkasa Inakakerta 1.7 2.0 1.6 Wahana Baratama Mining 3.4 2.6 3.6 Tabang Concessions 17.4 23.9 22.9 Pakar North 0.9 1.0 2.4 Total 30.4 39.0 37.8 2Q22 OB of 37.8 million BCM was slightly lower than the Budget due to higher rainfall. 2Q22 OB was higher than 1Q22 due to Tabang site principally completed rectification work on the geotechnical slippage and the fast track of production in Pakar North in order to catch up production in 1Q22. Overburden increased from 1Q22 low's 6

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