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Quarterly Progression Delta Dunia US$m, unless stated 3Q20 4Q20 1Q21 2Q21 3Q21 4Q21 1Q22 2Q22 Volumes Overburden Removal 61.2 52.1 65.0 77.0 90.4 94.0 123.5 136.6 (m bcm) Coal (mt) 11.5 11.4 12.7 12.3 13.9 14.9 18.3 22.8 Key Financials Revenue 142 108 160 189 248 314 332 391 EBITDA 49 13 31 42 77 84 70 94 EBITDA Margin 37.0% 12.8% 21.8% 24.6% 33.3% 29.8% 23.9% 27.7% Operating Profit 15 (21) (1) 8 35 40 13 38 Net Profit/(Loss) 4 (19) (26) (7) 17 16 (0) 6 Unit Financials (US$) Cash costs ex fuel per bcm 1.09 1.19 1.34 1.24 1.35 1.70 1.46 1.44 Cash costs ex fuel per bcm/km 0.40 0.45 0.49 0.45 0.42 0.58 0.48 0.49 - STRICTLY CONFIDENTIAL - 30

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