Twelve Months $m 3Q18 2Q18 3Q17 3Q18 YoY LTM 3Q18 LTM 3Q17 YoY% Core EBITDA 409 388 291 40% 1,379 953 45% Net working capital and others1 (108) (149) (104) 4% (343) (100) 243% Operating Cash Flow 301 240

2017 2018 YoY% 4Q18 3Q18 4Q17 4Q18 YoY Core EBITDA 1,441 1,004 44% 318 409 256 24% Net working capital and others1 (353) (86) 310% (19) (108) (9) 127% Income tax (99) (66) 49% (48) (25) (32) 52

Cost of Raw Materials 3,246 3,799 4,954 30% 53% Maintenance cost1 93 122 145 18% 55% Others1 (exclude depreciation and amortization) 101 114 321 181% 219% Total Cost of Sales of Goods and Rendering of

% Coal 190 665 780 17% 311% Others 202 221 163 (26%) (19%) Total Cost of Raw Materials 4,954 9,397 8,659 (8%) 75% Maintenance cost 145 630 338 (46%) 133% Others1 (exclude depreciation and amortization) 321

145 417 188% 326% 192 562 193% Others1 (exclude depreciation and amortization) 101 321 749 133% 642% 202 1,070 430% Total Cost of Sales of Goods and Rendering of Services 3,622 5,420 10,454 93% 189