Investor Presentaiton

1H 22 Financial Highlights Overburden Removal and Coal 260 MBCM Up 83% Y-o-Y 41 MT Up 64% Y-0-Y Operating Cash Flow US$ 21 M Down 83% Y-o-Y 1. FY22 Guidance includes contribution from BUMA Australia Revenue US$ 723M Up 107% Y-0-Y Delta Dunia EBITDA US$ 164M 26.0% EBITDA Margin FY22 Overburden Guidance 480-565 MBCM FY22 Coal Guidance 74 - 86 MT Net Profit/(Loss) US$ 6 M Effect of better efficiency Net Debt US$ 841 M > 60% of debt are due 2026 or later FY22 Revenue Guidance US$1,300 - 1,500M FY22 EBITDA Guidance US$320 - 380M FY22 Capital Expenditure Guidance US$150 - 200M - STRICTLY CONFIDENTIAL - 3

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