MMX Mineração
Brazilian iron-ore mining company associated with the EBX Group.
Last updated August 26, 2026
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Overview
MMX Mineração was a Brazilian mining company established in 2005 as the mining arm of the EBX Group. Its principal business was the extraction, processing and sale of iron ore, with operations and development projects in Brazil and Chile. The company’s Brazilian activities were organized mainly around the Sistema Sudeste, in Minas Gerais, and the Sistema Corumbá, in Mato Grosso do Sul. It also maintained a Chilean subsidiary, Minera MMX de Chile, which held mining rights in the Atacama region and conducted geological work before the business was sold in 2013. The company’s strategic focus was the expansion of iron-ore production and the integration of mines, beneficiation facilities, rail connections and export infrastructure. Its Sistema Sudeste included the Serra Azul and Bom Sucesso units. Within the Serra Azul area of the Iron Quadrangle, MMX operated the Tico Tico and Ipê mines, acquired in the late 2000s. Serra Azul had reported installed capacity of approximately 8.7 million tonnes of iron ore per year. In 2010, MMX announced a proposed investment program of US$3.5 billion intended to raise Serra Azul capacity to as much as 24 million tonnes annually. The company also obtained a 30-year exploration right for the Pau de Vinho mine from Usiminas in 2011; early studies indicated that the project could add more than 8 million tonnes of annual capacity, although the stated potential was not equivalent to realized production. The Corumbá System had been operating since 2005 and reported annual capacity of approximately 2.1 million tonnes. Its output was transported through a combination of river and road logistics. Some ore moved along the Paraguay River to the port of Campana in Argentina for export, while other volumes were trucked to steelmakers in Brazil. MMX reported total iron-ore production capacity of 10.8 million tonnes per year in 2013 and discussed a longer-term ambition to expand installed capacity toward 40 million tonnes per year. Export logistics were central to the company’s strategy. Before the company’s own export infrastructure was available, Serra Azul ore destined for overseas customers was transported by rail to the CSN port at Itaguaí. MMX then developed the Superporto Sudeste, a private iron-ore terminal on Madeira Island in Itaguaí, Rio de Janeiro. Construction began in 2010, and the project was designed to provide a direct maritime outlet for ore from Minas Gerais through the MRS railway network. In 2013, Mubadala and Trafigura acquired a 65% interest in the company that owned the port, Porto Sudeste do Brasil, helping reduce MMX’s debt burden and separating control of the port asset from the mining company. MMX’s expansion plans were affected by financial pressure and the wider investigations involving its owner, Eike Batista. The company entered bankruptcy proceedings in 2016 and became part of investigations concerning alleged fraud and money laundering linked to Batista. After a period under judicial reorganization, the bankruptcy decree covering MMX Mineração e Metálicos and its subsidiary MMX Corumbá Mineração was upheld by the Rio de Janeiro Court of Appeals in May 2021. That decision ended the company’s judicial reorganization efforts and its trading on Brazil’s B3 exchange. MMX is therefore best treated as a defunct or insolvent mining-company brand rather than an active international mining major.
History
MMX Mineração was created in 2005 as the mining company of the EBX Group. Its initial operating base was the Corumbá System in Mato Grosso do Sul, where the company produced iron ore for both domestic and international customers. Corumbá’s logistics relied on road transport to Brazilian steelmakers and river transport down the Paraguay River to the port of Campana in Argentina, from which ore could be shipped to customers in Argentina and Europe. The company subsequently expanded in Minas Gerais, one of Brazil’s principal iron-ore regions. Its Sistema Sudeste was centered on the Serra Azul area of the Iron Quadrangle and included the Tico Tico and Ipê mines, acquired in the late 2000s. MMX also developed the Bom Sucesso unit in central Minas Gerais, although the project was described as being subject to environmental licensing. Serra Azul reported installed capacity of 8.7 million tonnes per year, and MMX announced a substantial investment program in 2010 to raise capacity to 24 million tonnes annually. In 2011, the company secured a 30-year exploration right for the adjacent Pau de Vinho mine from Usiminas. Studies suggested that Pau de Vinho could materially increase regional production, but the stated resource potential did not necessarily become operating capacity. MMX reported overall iron-ore capacity of 10.8 million tonnes per year in 2013 and promoted a longer-term plan to reach as much as 40 million tonnes annually. The strategy depended on infrastructure as much as on mine development. Ore from Serra Azul was transported by rail through the MRS network toward Itaguaí, Rio de Janeiro. To improve export control and reduce reliance on third-party port facilities, MMX developed the Superporto Sudeste on Madeira Island in Itaguaí. Construction began in July 2010, and the terminal was designed as a private, dedicated iron-ore port connecting the Iron Quadrangle to the sea over a comparatively short logistics route. The port project became financially and strategically important during the company’s expansion. In 2013, Mubadala and Trafigura acquired 65% of Porto Sudeste do Brasil, the company owning the terminal, in a transaction intended to reduce MMX’s debt. The same year, MMX sold its Chilean subsidiary, Minera MMX de Chile, to Inversiones Cooper Mining. The Chilean business had held Atacama-region mining rights and had been conducting geological surveys, with earlier plans targeting eventual production of up to 10 million tonnes of iron ore per year. MMX’s growth plans were ultimately undermined by financial distress and the collapse of the broader EBX investment structure. In 2016, the company filed for bankruptcy. It was also drawn into investigations involving alleged fraud and money laundering linked to Eike Batista, the owner associated with the EBX Group. These investigations affected the company’s public reputation and formed part of the legal and financial circumstances surrounding its restructuring. MMX remained under judicial reorganization for several years. In May 2021, the Rio de Janeiro Court of Appeals upheld the bankruptcy decree against MMX Mineração e Metálicos and its subsidiary MMX Corumbá Mineração. The ruling brought the judicial reorganization effort to an end and also ended trading in the company’s securities on B3. MMX’s history therefore combines rapid expansion in Brazilian iron ore, an ambitious attempt to integrate mining with private port infrastructure, international exploration and divestment, and a later transition from a publicly traded growth company to a bankrupt mining enterprise.
- 2021
Bankruptcy decree is upheld
[1]The Rio de Janeiro Court of Appeals upholds the bankruptcy decree covering MMX Mineração e Metálicos and MMX Corumbá Mineração.
- 2016
Bankruptcy filing
[1]MMX files for bankruptcy after financial distress and amid investigations associated with its owner.
- 2013
Porto Sudeste control changes
[1]Mubadala and Trafigura acquire 65% of Porto Sudeste do Brasil, the company owning MMX’s port project.
- 2013
Chilean subsidiary is sold
[1]Minera MMX de Chile is sold to Inversiones Cooper Mining.
- 2011
Pau de Vinho exploration right is obtained
[1]MMX receives a 30-year right to explore the Pau de Vinho mine owned by Usiminas.
- 2010
Superporto Sudeste construction begins
[1]Construction starts on the dedicated iron-ore export terminal at Itaguaí in Rio de Janeiro state.
- 2010
Serra Azul expansion plan is announced
[1]MMX announces a proposed US$3.5 billion investment to increase Serra Azul capacity to approximately 24 million tonnes per year.
- 2008
Ipê mine is acquired
[1]MMX acquires the Ipê mine, expanding its Serra Azul resource base.
- 2007
Tico Tico mine is acquired
[1]MMX acquires the Tico Tico mine in the Serra Azul area of Minas Gerais.
- 2005
MMX is established
[1]MMX is founded as the mining company of the EBX Group and begins developing iron-ore activities in Brazil.
Products and positioning
An integrated iron-ore producer built around Brazilian mining assets, beneficiation capacity and dedicated export logistics, with additional exploration exposure in Chile.
Iron ore
Serra Azul iron ore
Iron ore produced from MMX’s Serra Azul operations in the Iron Quadrangle of Minas Gerais. The system included the Tico Tico and Ipê mines and reported installed annual capacity of approximately 8.7 million tonnes. Ore was sold to customers in Brazil and overseas and moved by rail toward the company’s intended export route at Itaguaí.
Iron ore · 2005
Corumbá iron ore
Iron ore from the Corumbá System in Mato Grosso do Sul, which had operated since 2005 and reported annual capacity of approximately 2.1 million tonnes. Product logistics combined trucking to Brazilian steel mills with Paraguay River transport to Campana in Argentina for international shipment.
Mining infrastructure · 2010
Superporto Sudeste
A dedicated private iron-ore export terminal developed on Madeira Island in Itaguaí, Rio de Janeiro state. The project was intended to connect Minas Gerais mines to maritime markets through the MRS railway and become the principal export outlet for MMX production. Ownership of the port company changed in 2013 when Mubadala and Trafigura acquired a controlling stake.
Controversies
2016
Bankruptcy and investigations linked to the EBX group
MMX filed for bankruptcy and was included in investigations concerning alleged fraud and money laundering associated with Eike Batista, the owner linked to the EBX Group. The legal and financial proceedings contributed to the company’s eventual loss of its listed operating status.
Brand decisions
2021
Judicial reorganization endsOtherBackground
MMX and its Corumbá subsidiary remained in judicial reorganization after the 2016 bankruptcy filing.
Action taken
The Rio de Janeiro Court of Appeals upheld the bankruptcy decree against MMX Mineração e Metálicos and MMX Corumbá Mineração.
Aftermath
The ruling ended the judicial reorganization effort and the company’s trading on B3.
2016
Bankruptcy filingOtherBackground
Financial distress affected MMX during the wider deterioration of the EBX Group and investigations involving its owner.
Action taken
MMX entered bankruptcy proceedings and subsequently operated under judicial reorganization.
Aftermath
The reorganization process continued until the bankruptcy decree was upheld in 2021.
2013
Sale of Minera MMX de ChileM&ABackground
MMX’s Chilean subsidiary held Atacama-region mining rights and was conducting geological surveys, but the project remained developmental.
Action taken
MMX sold the subsidiary to Inversiones Cooper Mining.
Aftermath
MMX exited this Chilean mining development activity.
2010
Commitment to large-scale Serra Azul expansionStrategyBackground
MMX sought to increase its iron-ore output and develop Serra Azul as a larger production center.
Action taken
The company announced a proposed US$3.5 billion investment program targeting capacity of approximately 24 million tonnes per year at Serra Azul.
Aftermath
The expansion formed part of a broader plan to increase total installed capacity toward 40 million tonnes per year, but the company later entered bankruptcy proceedings.
2010
Development of Superporto SudesteStrategyBackground
MMX needed a more direct export route from Minas Gerais to international iron-ore customers.
Action taken
The company began building a private iron-ore terminal at Itaguaí, linked to the mines by the MRS railway system.
Aftermath
The port company later received new controlling investors, Mubadala and Trafigura, in a transaction intended to reduce MMX’s debt.
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