Table: Berau Coal's proven reserve
Wednesday, May 4 2011 - 01:39 AM WIB
| Location | Date of Concession | End Date | Percentage of Ownership | Proven Reserve (P1)* (in million tonnes) | Total Production (in million tonnes) | Balance of Proven Reserve (in million tonnes) | |
| Current Year | Accumulated Total Production | ||||||
| Lati | April 30, 1983 | April 26, 2025 | 100% | 151.0 | 10.4 | 68.1 | 140.6 |
| Binungan | April 30, 1983 | April 26, 2025 | 100% | 142.0 | 4.2 | 41.9 | 138.8 |
| Sambarata | April 30, 1983 | April 26, 2025 | 100% | 53.0 | 2.8 | 11.4 | 50.2 |
| * Total proven reserve (P1) are based on the survey result by Minarco-Mine Consult as of December 31, 2009. | |||||||