Katanga Mining
Former copper and cobalt mining company operating the Kamoto mining complex in the Democratic Republic of the Congo.
Last updated August 31, 2026
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Overview
Katanga Mining Ltd was a mining company focused on copper and cobalt assets in the Democratic Republic of the Congo. Although it was associated with a London corporate address in some company descriptions, the company was headquartered in Canada and was listed on the Toronto Stock Exchange from 1997 until its later acquisition and delisting. Its principal activities were concentrated in the former Katanga Province, especially around Kolwezi, a major copper-and-cobalt district. The company developed its DRC business through joint ventures with Gécamines, the Congolese state-owned mining company. The two principal structures were Kamoto Copper Company (KCC), which operated the Kamoto mining complex, and the DRC Copper and Cobalt Project (DCP), which included the Tilwezembe open-pit mine and the Luilu processing facilities. The broader asset base included underground and open-pit mines, concentrators, and metallurgical plants capable of producing refined copper and cobalt products. Katanga promoted the assets as having the potential to become one of Africa's largest copper operations and a major global source of cobalt. A significant turning point came in January 2008, when Katanga Mining acquired Nikanor plc. The transaction consolidated interests in several important DRC copper and cobalt properties and strengthened Katanga's position in the Kolwezi area. Following the transaction, some assets were transferred or sold back to Gécamines, including Dikuluwe and Mashamba West, in arrangements associated with the restructuring of the joint-venture portfolio. Katanga subsequently became closely integrated with Glencore's African mining business. In 2017, Glencore acquired most of Gécamines' remaining interests connected with Katanga and the larger Mutanda operation. Glencore ultimately purchased Katanga Mining in 2020, after which Katanga was delisted from the Toronto Stock Exchange and ceased to operate as an independent listed company. The company's operating history was affected by commodity prices, aging infrastructure, financing requirements, and the technical challenges of restarting and expanding complex mining and processing facilities. In 2008, Katanga temporarily suspended mining at Tilwezembe and ore processing at the Luilu refinery because of depressed cobalt prices. At the KCC complex, construction and commissioning of new processing facilities were important to the effort to restore production. Before the later restructuring and closures, Katanga reported annual copper production of approximately 113,000 tonnes, while the related Mutanda operation was substantially larger. Katanga's DRC activities also attracted regulatory and public scrutiny. The 2017 Paradise Papers included material concerning negotiations between Katanga, Gécamines, and intermediaries linked to the DRC political and business environment. The company's operations experienced environmental incidents, including a 2015 sulphuric-acid truck spill and a 2018 failure of a dike at the Kamoto mine that released sodium hydrosulphide, damaged crops, and killed fish. These events added to questions about environmental controls and the governance of mining joint ventures in the DRC. Katanga Mining is now best understood as a former corporate vehicle and listed mining company rather than an independent operating brand. Its principal assets and activities became part of Glencore's broader DRC copper-and-cobalt portfolio.
History
Katanga Mining was established in 1997 as a copper and cobalt mining company focused on the Democratic Republic of the Congo. It became publicly traded on the Toronto Stock Exchange in August of that year. Its business developed around the mineral-rich Katanga, now largely incorporated into Lualaba and Haut-Katanga provinces, with the Kolwezi area serving as the center of its principal mining and processing interests. The company worked with Gécamines, the DRC's state-owned mining enterprise, through joint ventures intended to rehabilitate and expand inherited mining infrastructure. Two major structures emerged. The DRC Copper and Cobalt Project included the Tilwezembe open-pit mine and the Luilu refinery. Kamoto Copper Company controlled the larger Kamoto complex, including Kamoto, Mashamba East, the KTE and Etang South underground workings, KOV, and T17. Ore from the mining operations was processed through the Kamoto concentrator and the Luilu metallurgical plant. The broader complex also included the Kananga open pit, which was not active in the period described by the available reference material. In January 2008, Katanga acquired Nikanor plc for approximately US$452 million. The transaction brought together complementary copper and cobalt interests and made Katanga one of the most significant private-sector operators in the DRC. The post-merger restructuring also involved the transfer of Dikuluwe and Mashamba West to Gécamines for approximately US$825 million. In the same year, depressed cobalt prices led Katanga to suspend mining at Tilwezembe and processing at Luilu temporarily, illustrating the company's exposure to commodity-market cycles and the operational difficulty of maintaining older facilities. The company later became closely associated with Glencore. In February 2017, Glencore acquired nearly all of Gécamines' interests in Katanga and in the larger Mutanda mine. Katanga's own operation remained closed during part of the 2015–2017 period while new processing facilities were constructed. Before that period of closure and redevelopment, the operation had produced about 113,000 tonnes of copper per year, while Mutanda was reported as producing more than 210,000 tonnes annually. Katanga's operating record included significant environmental incidents. In February 2015, an overturned truck released about 60 cubic metres of sulphuric acid. In January 2018, a dike at the Kamoto mine failed, causing a sodium-hydrosulphide spill. The incident reportedly affected 460 households, damaged crops, and killed fish; later reporting indicated that soil contamination had not been completely cleaned up at that time. Governance concerns also followed the company. Documents released through the 2017 Paradise Papers described negotiations between Katanga and Gécamines during 2008 and 2009 and the involvement of intermediaries connected to the DRC political and business environment. The disclosures generated allegations concerning undisclosed relationships and possible payments associated with the negotiations. These issues became part of broader scrutiny of mining contracts, political connections, and corruption risks in the DRC. Glencore purchased Katanga Mining in 2020. The acquisition ended Katanga's life as an independent listed company and led to its delisting from the Toronto Stock Exchange. Its mining assets and operating activities were absorbed into Glencore's wider DRC copper-and-cobalt business.
- 2020
Acquisition and delisting
[1]Glencore purchased Katanga Mining, which was subsequently delisted from the Toronto Stock Exchange.
- 2017
Glencore consolidates DRC interests
[1]Glencore acquired nearly all of Gécamines' interests in Katanga and the larger Mutanda mine.
- 2008
Nikanor acquisition
[1]Katanga acquired Nikanor plc for approximately US$452 million.
- 2008
Temporary suspension at Tilwezembe and Luilu
[1]Mining and processing were temporarily suspended because of depressed cobalt prices.
- 2007
Tilwezembe begins mining
[1]The DRC Copper and Cobalt Project began mining at the Tilwezembe open-pit copper and cobalt mine.
- 1997
Company founded and listed
[1]Katanga Mining was established and first listed on the Toronto Stock Exchange in August.
Products and positioning
A DRC-focused copper and cobalt producer built around the Kolwezi mining district and positioned as a potential large-scale African copper and global cobalt supplier.
Base metals
Refined copper
Refined copper was one of Katanga Mining's principal commercial outputs. Production was linked to ore from the Kamoto complex and associated DRC operations, with processing undertaken through concentrator and metallurgical facilities including the Luilu plant.
Battery and specialty metals
Cobalt
Cobalt was produced alongside copper from the company's DRC ore bodies. Katanga promoted its assets as having the potential to become a major global cobalt source, although production was sensitive to cobalt prices and processing constraints.
Mining concentrates
Copper and cobalt concentrates
Concentrates were intermediate products generated by the company's mining and concentration operations before further metallurgical treatment. The Kamoto concentrator supplied material to downstream processing facilities in the Kolwezi area.
Controversies
2017
Paradise Papers and DRC contract allegations
The Paradise Papers revealed details of negotiations between Katanga Mining and Gécamines during 2008–2009. The material described the involvement of intermediary Dan Gertler and relationships with senior DRC political figures, leading to allegations and scrutiny concerning undisclosed interests and possible bribes connected with the mining project.
Brand decisions
2020
Accept acquisition by GlencoreM&ABackground
Katanga had become closely integrated with Glencore's DRC mining portfolio.
Action taken
Glencore purchased Katanga Mining and the company was delisted from the Toronto Stock Exchange.
Aftermath
Katanga ceased to operate as an independent listed company and its activities became part of Glencore's wider DRC business.
2017
Rebuild and expand processing capacityStrategyBackground
Katanga's smaller operation remained closed during part of 2015–2017 while new processing facilities were constructed.
Action taken
The company pursued construction of new processing facilities intended to support the redevelopment of its mining operations.
Aftermath
The redevelopment took place as Glencore consolidated ownership of the DRC assets and ultimately acquired Katanga Mining.
2008
Acquire Nikanor plcM&ABackground
Katanga sought to consolidate major copper and cobalt interests in the DRC and strengthen its position around the Kolwezi mining district.
Action taken
The company acquired Nikanor plc for approximately US$452 million.
Aftermath
The transaction expanded Katanga's asset base and was followed by restructuring of several joint-venture properties, including transfers involving Gécamines.
Acquisition value. US$452 million (January 2008)
2008
Temporarily suspend Tilwezembe and Luilu operationsStrategyBackground
Cobalt prices had fallen substantially, weakening the economics of mining and processing at the DRC Copper and Cobalt Project.
Action taken
Katanga temporarily stopped mining at Tilwezembe and ore processing at the Luilu refinery.
Aftermath
The suspension highlighted the project's dependence on commodity prices and the condition of its processing infrastructure.
Recent events
- 2020
Glencore purchases Katanga Mining and the company is delisted[1]
M&A
Glencore purchased Katanga Mining, after which Katanga was delisted from the Toronto Stock Exchange and ceased to exist as an independent listed company.
- 2018
Kamoto mine dike failure causes chemical spill[1]
Recall · Regulation · Other
A dike failure at the Kamoto mine released sodium hydrosulphide, reportedly affecting about 460 households, damaging crops, and killing fish. Reports later indicated that soil contamination had not been fully remediated.
- 2017
Glencore acquires most remaining Gécamines interests[1]
M&A
Glencore purchased nearly all of Gécamines' interests in Katanga and in the larger Mutanda operation, further consolidating control of the DRC assets.
- 2015
Sulphuric-acid truck spill[1]
Other · Regulation
An overturned truck associated with the operation spilled approximately 60 cubic metres of sulphuric acid.
- 2008
Katanga Mining acquires Nikanor[1]
M&A
Katanga Mining completed the acquisition of Nikanor plc for approximately US$452 million, consolidating interests in major copper and cobalt assets in the DRC.
- 2008
Tilwezembe mining and Luilu processing temporarily suspended[1]
Other · Pricing
Katanga Mining announced a temporary suspension of mining at Tilwezembe and ore processing at the Luilu refinery amid weak cobalt prices.
- 2008
Dikuluwe and Mashamba West transferred to Gécamines[1]
M&A
After the Nikanor combination, Katanga transferred the Dikuluwe and Mashamba West properties to Gécamines in a transaction reported at approximately US$825 million.
Sources1 sources
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