Methodology for Regional allegation collection & analysis on the Transition Minerals Tracker

The Transition Minerals Tracker (Tracker) captures publicly reported allegations of environmental and human rights abuses against companies mining one or more of the following six minerals: cobalt, copper, lithium, manganese, nickel and zinc.

Regional Deep Dives South America

While the global data analysis explores companies who make up a majority market share in each commodity, the regional deep dives for South America, Southern Africa, Pacific Islands and Central America & Mexico, looks at the top 5 producers in each region of each commodity. Not all regions included all minerals, as some were not produced in sufficient quantities to be significant. The companies are recorded by parent company or joint venture. The list of all companies researched in every region is below. Our full research methodology can be found here. South America

Copper o Codelco -Chile o BHP - Chile, Peru o Glencore - Chile, Peru o Anglo-American - Chile, Peru o Antofagasta - Chile Cobalt o N/A Nickel o Vale - Brazil o Anglo-American - Brazil o BHP - Colombia o Lara Exploration - Brazil Zinc o Glencore - Peru, Argentina; Bolivia o BHP - Peru o Nexa Resources - Peru, Brazil o Sumitomo Corporation - Bolivia o Trevali Mining - Peru Lithium o Jiangxi Ganfeng Lithium – Argentina o Sociecad Quimica y Minera de Chile (SQM) - Chile o Livent - Chile o Albemarle - Chile o Jujuy Energía y Minería Sociedad del Estado (JEMSE) - Argentina Manganese o Vale - Brazil

1

o Mineracao Buritirama - Brazil o Corporación Minera de Bolivia (COMIBOL)- Bolivia o Cancana Resources - Brazil

Southern Africa

Copper o Glencore - DRC o First Quantum Minerals - Zambia o China Minmetals (MMG) - DRC o ENRC (part of Eurasian Resources Group) - DRC o Ivanhoe - DRC Cobalt o Glencore - DRC o China Molybdenum - DRC o Gecamines - DRC o Ivanhoe - DRC o Shalina Resource - DRC Nickel o Nornickel - South Africa o Jinchuan Intl - Zambia o Trevali Mining - Namibia o Vedanta Resources - South Africa o Sibanye Stillwater - South Africa Zinc o Vedanta Resources - South Africa, Namibia o Trevali Mining - Namibia Lithium o Bikita Minerals - Zimbabwe Manganese o - South Africa o Jupiter Mines - South Africa o MN Holdings - South Africa o Kalahari Resources (Kalagadi Manganese) - South Africa o Assmang Proprietary Ltd - South Africa

Mexico and Central America

Copper o First Quantum - Mexico, Panama o Grupo Mexico - Mexico o Capstone Mining (Cozamin) - Mexico o Teck/ Goldcorp Mexico Cobalt o N/A Nickel o Fénix (Compañía Guatemalteca de Níquel) - Guatemala o Hudbay Minerals - Guatemala

2

Zinc o Industrias Penoles - Mexico o Newmont Goldcorp - Mexico o Telson Mining - Mexico o Pan American (Escobal) - Guatemala Lithium o N/A Manganese o Compania Minera Autlan - Mexico

Pacific Islands

Copper o Mitsubishi Materials Corp - Fiji o Bougainville Copper Ltd () - o Wafi-Golpa - Papua New Guinea Cobalt o Vale - New Caledonia Nickel o Vale - New Caledonia o Ramu-Nickel - Papua New Guinea Zinc o N/A Lithium o N/A Manganese o N/A

3