Financial Results Presentation

Quarterly Progression Delta Dunia US$m, unless stated 2Q20 3Q20 4Q20 1Q21 2Q21 3Q21 4Q21 1Q22 Volumes Overburden Removal 81.2 61.2 52.1 65.0 77.0 90.4 94.0 123.5 (m bcm) Coal (mt) 10.3 11.5 11.4 12.7 12.3 13.9 14.9 18.3 Key Financials Revenue 158 142 108 160 189 248 314 332 39 49 13 31 42 77 84 70 EBITDA EBITDA Margin 26.0% 37.0% 12.8% 21.8% 24.6% 33.3% 29.8% 23.9% Operating Profit 2 15 (21) (1) 8 35 40 13 Net Profit/(Loss) 15 4 (19) (26) (7) 17 16 (0) Unit Financials (US$) Cash costs ex fuel per bcm 1.15 1.09 1.19 1.34 1.24 1.35 1.70 1.46 Cash costs ex fuel per bcm/km 0.40 0.40 0.45 0.49 0.45 0.42 0.58 0.48 - STRICTLY CONFIDENTIAL - 32

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