RESOURCES AND RESERVES

Operational Mine/Project As of 31st of December 2020 As of 31st of December 2019
Resources
(mn tons)
Reserves
(mn tons)
Resources
(mn tons)
Reserves
(mn tons)
PT Indominco Mandiri 296.3 37.8 308.5 46.9
PT Trubaindo Coal Mining 402.6 39.2 408.6 43.9
PT Bharinto Ekatama 432.4 146 436.7 149.4
PT Kitadin  98.5 1.8 100.1 3.0
PT Jorong Barutama Greston 64.7 9.0 66.3 10.2
PT Nusa Persada Resources* 142.9 77.4 142.9 77.4
PT Tepian Indah Sukses* N/A** N/A N/A N/A
PT Graha Panca Karsa* N/A** N/A N/A N/A
Total 1,437.4 311.2 1,463.2 330.9

*      Not yet operating
**    GPK’s total resources stood at 117 million tons and TIS 5 million tons. These figures have not been audited by an independent third party. 

Updated coal resources and reserves is calculated from 31 December 2018 data which is based on estimates prepared by competent persons (considered suitably experienced under the JORC Code) and deducted by coal sales volume in 2019 and 2020