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Adaro Minerals Indonesia

Indonesian listed subsidiary of PT Alamtri Resources Indonesia Tbk focused on metallurgical coal mining and mineral processing.

Last updated September 11, 2026

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Overview

PT Alamtri Minerals Indonesia Tbk (AMI) (IDX: ADMR) is a subsidiary of PT Alamtri Resources Indonesia Tbk that focuses on metallurgical coal mining and mineral processing. Through its subsidiaries, AMI holds five Coal Contract of Work (CCoW) concession areas in East Kalimantan and Central Kalimantan. Another subsidiary, PT Kalimantan Aluminium Industry, operates in mineral processing and is developing an aluminium smelter in North Kalimantan. AMI was established as PT Jasapower Indonesia in 2007 and was officially listed on IDX under the ticker code ADMR on January 3, 2022.

History

PT Alamtri Minerals Indonesia Tbk (AMI) is a subsidiary of PT Alamtri Resources Indonesia Tbk, a holding company of a number of subsidiaries that operate in the businesses of metallurgical coal mining and mineral processing. One of AMI's subsidiaries, PT Maruwai Coal, is one of Indonesia's largest producers of hard coking coal (HCC). Another subsidiary, PT Kalimantan Aluminium Industry, operates in mineral processing and is developing an aluminium smelter in North Kalimantan. AMI was established as PT Jasapower Indonesia in 2007. On January 3, 2022, AMI was officially listed on IDX under the ticker code ADMR following a successful IPO process that was 179x oversubscribed during the pooling period. Through its subsidiaries, AMI holds five Coal Contracts of Work (CCoWs) for concession areas containing large metallurgical coal resources and reserves in East Kalimantan and Central Kalimantan province.

Products and positioning

Product categories. metallurgical coal · hard coking coal

Sources5 sources

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