1919
The Dutch Colonial Government initiated coal mining at the Air Laya Mine, located in Tanjung Enim, Muara Enim Regency, South Sumatra Province, implementing an open-pit mining system.
1942
The Indonesian government attempted to reclaim all assets and operational areas of the company. Employees at the Air Laya coal mine demanded a change of status to national mining. The Government of the Republic of Indonesia has officially legalized the Air Laya coal mine under the Bukit Asam Coal Mining State Company (PN TABA).
1950
Establishment of Bukit Asam Coal Mining Limited Liability Company (Persero), known as PTBA.
1981
To improve the development of the coal industry in Indonesia, the Indonesian Government dissolved Perum Tambang Batu Bara and increased State Capital participation in the share capital of the Limited Liability Company (Persero) PT Tambang Batubara Bukit Asam. As a result, Bukit Asam emerged as the only coal company under the ownership of the state.
1990
To encourage the development of the coal industry in Indonesia, the Indonesian government dissolved Perum Tambang Batu Bara and increased state capital participation in the share capital of the state-owned company PT Tambang Batubara Bukit Asam (Persero). As a result, Bukit Asam became the sole state-owned coal company.
2002
The company conducted an initial public offering (IPO). Since December 23, 2002, the company’s shares have been listed on the Indonesia Stock Exchange under the stock code “PTBA.” The company’s name was later changed to PT Tambang Batu Bara Bukit Asam (Persero) Tbk.
2017
The company entered a new chapter by officially joining the State-Owned Mining Holding, led by PT Indonesia Asahan Aluminium (Persero) as the holding parent company. This integration brought several changes, including a change in name and status to PT Bukit Asam Tbk.
2023
The State-Owned Mining Industry Holding Company was officially established under the name PT Mineral Industri Indonesia (Persero). It became the parent company of PT ANTAM Tbk, PT Bukit Asam Tbk, PT Timah Tbk, and PT Indonesia Asahan Aluminium, and it holds direct share ownership in PT Freeport Indonesia, PT Vale Indonesia Tbk, and MIND ID Trading Pte. Ltd.
In line with the vision of becoming a world-class energy company with environmental awareness, Bukit Asam continues to innovate in coal-based energy, renewable energy, and coal downstreaming projects.
