Investor Presentaiton

Financial Results US$m, unless stated FY20 FY21 Change 1H21 1H22 Change Volumes Overburden Removal (m bcm) 282 326 16% 142 260 83% Coal (mt) 45 54 19% 25 41 64% Key Financials Revenue 602 911 51% 349 723 107% EBITDA 164 234 43% 73 164 125% EBITDA Margin 29.4% 28.3% 23.3% 26.0% Operating Profit 20 82 314% 7 51 615% Net Profit/(Loss) (23) 0 101% (33) 6 N.M. EPS (in Rp) Rp (40) Rp 0 101% Rp (54) Rp 10 N.M. Unit Financials (US$) Cash costs ex fuel per bcm 1.11 1.42 28% 1.29 1.45 13% Cash costs ex fuel per 0.40 0.50 25% 0.47 0.48 3% bcm/km ☐ Delta Dunia Overburden Removal increased by 83% from 1H21 - 1H22 reflects volume recovery and incremental volume from new contracts and BUMA Australia included Revenue increased by 107% from 1H21 Increase in volume reflecting the recovery in the Company and from higher coal price EBITDA increased by 125% from 1H21 - Increase due to higher volume Increase in cost to support volume growth and new contracts Cash costs ex fuel per bcm increased by 13% from 1H21 Incurred upfront costs necessary to facilitate growth ramp up efforts - Reflecting BUMA Australia cost Cost related to higher than expected rain hours caused by the La Nina anomaly - STRICTLY CONFIDENTIAL - 11

View entire presentation