OUR COAL ASSETS

TBR(1)


TBR concession covers an area of 489.1 ha and is administratively located in Angsana and Sungai Lohan Districts, Tanah Bumbu regency, South Kalimantan. Tenure for TBR is held under an operation production mining business license (Izin Usaha Pertambangan – IUP Operasi Produksi) and the validity of the extended TBR IUP is effective through to January 2028. TBR hold a valid IPPKH, which was extended to 2028 in line with the extended IUP, for a total area of ± 91.1 ha.

Mining contractor for TBR is PT Bukit Makmur Mandiri Utama (BUMA), one of the largest mining services companies in Indonesia. BUMA is listed on the Jakarta Stock Exchange under PT Delta Dunia Makmur Tbk.

Coal within the TBR concession is characterised as high moisture, low ash, low sulphur and low energy.

 Category   Mineral Type  Gross Attributable to License 1    Net Attributable to Issuer 4  Remarks
Tonnes
(millions)
Grade Tonnes
(millions)
Grade Change from
previous update
2
(%)
Reserves 5              
Proved  Coal 40.1 Sub-bituminous
Class C
39.3 Sub-bituminous
Class C
-5% Change due to production
Probable Coal 15.6 Sub-bituminous
Class C
15.3 Sub-bituminous
Class C
-1% Change due to production
Total Coal 55.7 Sub-bituminous
Class C
54.5 Sub-bituminous
Class C
-4 Change due to production
Resources 3 & 5
Measured Coal 45.9 Sub-bituminous
Class C
44.9 Sub-bituminous
Class C
3% Change due to production
Indicated Coal 20.9 Sub-bituminous
Class C
20.5 Sub-bituminous
Class C
0% No Change
Inferred Coal 4.8 Sub-bituminous
Class C
4.7 Sub-bituminous
Class C
0% No Change
Total Coal 71.6 Sub-bituminous
Class C
70.1 Sub-bituminous
Class C
-2% Change due to production

Notes:
1 License refers to TBR Production Operation IUP.
2 Previous Coal Reserves and Coal Resources estimates were reported as at 31 August 2021.
3 Resources are inclusive of Reserves.
4 The results presented are rounded to reflect the accuracy of the estimates. Minor discrepancies are due to rounding and are not considered material by SMGC.
5 Resources and Reserves are reported in accordance with SMGC’s interpretation of the JORC Code 2012 Edition.