Investor Presentaiton

Appendix The Subsidiaries: • • Bukit Asam PTBA Structure PTBA operates a fully integrated large coal mining in Tanjung Enim ( South Sumatera), Ombilin (West Sumatera), Peranap (Riau), and East Kalimantan with Total Resources & Reserves are 7.29 billion tons and 1.99 billion tons respectively Trading Bukit Asam Power The Indonesian Government owns 65% of Total Shares Logistic Coal Bukit Kendi (75%), coal mining, South Sumatera International Prima Coal (51%), East Kalimantan Bukit Asam Banko (65%), South Sumatera Gas Bukit Asam Prima (99.99%) • Bukit Pembangkit • Innovative . (59.75%) Huadian Bukit Asam Power (45%) Bukit Asam Transpacific Railway (10%) • . • Bukit Asam Metana Enim (99.99%) Bukit Asam Metana Ombilin (99.99%) Bukit Asam Metana Peranap (99.99%) PE SATUBARA KUKIT KEND Prima INTERNASIONAL PRIMA COM PT INTERNASIONAL PRIMA COAL Banko PT Bukit Asam Banko bpi BukitAsam BUKITASAM TRANSPACIFIC LAILWAYS enim Buksan Meta 19

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