PT Bumi Resources Minerals Tbk

BUMI's decision in 2010 to merge all non-coal mineral mining assets under PT Bumi Resources Minerals Tbk (“BRMS”) reflects a strategy that focuses on developing assets into the commercial production stage.

BRMS was listed on Indonesia Stock Exchange in December 2010 and is currently under independent management which focuses on developing these assets to production.

In June 2017, BRMS succeeded in issuing new shares thereby increasing the company's equity and reducing its debt burden (debt to equity ratio improved from 0.6 to 0.3) each of US $ 232 million. At present BUMI has 20.09% ownership in BRMS.

BRMS interest, consists of: 

• Citra Palu Minerals : Gold (in the production stage)

• Dairi Prima Mineral : Zinc and lead (in construction stage)

• Gorontalo Minerals : Copper and Gold (in construction stage)

• Linge Mineral Resources : Gold (in exploration stage)

• Suma Heksa Sinergi : Gold (in construction stage)

PT Citra Palu Minerals (“CPM”)

BRMS holds 96.97% of the shares in CPM, which holds the Contract of Work rights over a mining concession spanning 85,180 hectares consisting of 5 (five) separate blocks in Central Sulawesi and South Sulawesi.

Until December 2024, CPM announced an increase in gold grades in its Mineral Resources and Mineral Reserves reports in accordance with the JORC standard with an average gold grade in Mineral Resources of 3.5 g/t Au for a total gold content of 4.5 million troy ounces, while the average gold grade in Mineral Reserves is 3.2 g/t Au for a total gold content of 3.45 million troy ounces. The majority of the 85% gold content comes from underground mining prospects with a gold grade of 4.9 g/t Au at the River Reef mine site (Poboya, Palu).

PT Dairi Prima Mineral (“DPM”)

BRMS holds 49% of the shares in DPM, which operates a zinc and lead project in North Sumatra. The total reserves of DPM currently amount to 11 million tons of ore from the Anjing Hitam and Lae Jahe locations. This concession contains zinc with one of the highest qualities in the world (11.5% Zn; 6.8% Pb). The total ore resources at the Anjing Hitam, Lae Jahe, and Base Camp locations (including reserves) reached 25 million tons in 2019.

PT Gorontalo Minerals (“GM”)

BRMS holds 80% of the shares in PT Gorontalo Minerals (GM), which is a concession for copper and gold. As of December 31, 2024, the total ore resources of copper and gold at GM reached 392 million tons, originating from Sungai Mak, Cabang Kiri, Kayubulan, Motomboto North, and Motomboto East prospects, with copper and gold contents of 0.49% Cu and 0.43 g/ton Au, respectively. The total copper and gold reserves at Sungai Mak have reached 105 million tons with contents of 0.70% Cu and 0.33 g/ton Au, respectively.

During the construction of the gold plant in Gorontalo, GM discovered mineral outcrops, such as copper phorphyry at Kayubulan and Sungai Mak locations and discovered gold sulfide at Motomboto North. The discovery has been reported to the Ministry of Energy and Mineral Resources (EMR. Furthermore, the Ministry of EMR directed GM to conduct further drilling and move the location of the plant construction to a sterile mineralization area.

Linge Mineral Resources (“LMR”)

BRMS holds 60% of the shares in LMR, which holds a Mining Business License (“IUP”) in Linge, Abong covering an area of 36,420 hectares in Aceh Province. Currently, LMR is still awaiting approval for Production Operation Permit from the Indonesian government.

Project development includes: drilling activities, electromagnetic survey, metallurgical test, mining design work, and the approved Feasibility Study. 

PT Suma Heksa Sinergi (“SHS”)

BRMS holds 80% of the shares in SHS (Kerta project), which holds an IUP covering an area of 7,291 hectares in Banten Province. SHS has obtained a Production Operation Permit from the Indonesian government for 20 years, which expires in 2039.