Investor Presentaiton

Unique Coal Product and Strong Customer Base Focused on Asia 20 Envirocoal is among the lowest pollutant content coal in the seaborne market Ash content: 2%-3% (adb) Nitrogen content: 0.9% - 1.0% (daf) 30 adaro MINING Sulfur content: 0.1% - 0.25% (adb) 30 ASH % (adb) 10 15 5 LO envirocoal 0 Customer geographical breakdown (1Q22) Europe Others India 13% 2% 1% China 10% Indonesia 30% East Asia 27% Southeast Asia 17% Nitrogen % (daf) 2.5 2.0 1.5 1.0 envirocoal 0.5 0.0 Total Sulfur % (adb) 2.5 2.0 1.5 1.0 0.5 envirocoal 0.0 Customer type by volume (1Q22) Others, 10% Power Plant, 90% Others include cement, pulp & paper, and industrial 17

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