Owns five coal mining concessions through its subsidiaries PT Sungai Danau Jaya (SDJ), PT Tanah Bumbu Resources (TBR), PT Bumi Enggang Khatulistiwa (BEK) and PT Surya Tambang Tolindo (STT) in Kalimantan, Indonesia, and PT Triaryani (TRA) in South Sumatra. The Group also owns a 49% equity stake in PT Internasional Prima Coal (IPC) in Kalimantan, Indonesia as a joint venture with PT Bukit Asam Tbk, a state-owned coal mining company and one of the largest coal producers in Indonesia.

Coal Mining

Sungai Danau Jaya

SDJ concession is located in South Kalimantan with low ash low sulphur coal characteristics. SDJ covers an area of 235.5 ha and is located in Angsana and Sungai Lohan sub districts of the Tanah Bumbu regency in the South Kalimantan Province of Indonesia

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Tanah Bumbu Resources

TBR concession is located immediately adjacent to SDJ. TBR covers an area of 489.1 ha and is located in the Angsana and Sungai Lohan sub-districts of the Tanah Bumbu regency in the South Kalimantan Province of Indonesia. TBR holds an IUP Operasi Produksi effective through to 10 January 2028.

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Triaryani

TRA concession is in South Sumatra and with projected mine life of 15 years. TRA mining concession covers an area of 2,143 ha and is located in Musi Rawas Utara Regency, South Sumatera Province, Indonesia, approximately 200km from the airport in Jambi City. TRA holds an IUP Operasi Produksi effective through 22 May 2030.

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Internasional Prima Coal (49%-Owned)

IPC covers a total of 3,238 ha of land located in the Handil Bhakti Bantuas sub-district and Palaran sub-district of Samarinda City, East Kalimantan Province of Indonesia. IPC holds an Operation Production IUP effective through 30 November 2026.

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