Our Operation and Projects GRI 102-6

Production in 2017

Smelters

Peru

Cajamarquilla
310 thousand
tonnes of metallic zinc

Brazil

Três Marias
186 thousand
tonnes of metallic zinc

Juiz de Fora
87 thousand
tonnes of metallic zinc

Mining

Cerro Lindo
156 thousand
tonnes of contained zinc in concentrates

Pasco (El Porvenir and Atacocha)
63 thousand
tonnes of contained zinc in concentrates

Vazante
135 thousand
tonnes of contained zinc in concentrates

Morro Agudo
21 thousand
tonnes of contained zinc in concentrates

46 thousand
tonnes of contained lead

7 thousand
tonnes of contained lead

44 thousand
tonnes of contained copper

Greenfield projects under development

Shalipayco, Magistral, Pukaqaqa, Hilarión4, Florida Canyon4

Aripuanã, Caçapava do Sul4

Note 4: Projects in mineral exploration phase.

Mining

■ Vazante (Brazil) – mine and ore processing unit
■ Morro Agudo (Brazil) – mine and ore processing unit
■ Cerro Lindo (Peru) – mine and ore processing unit
■ El Porvenir (Peru) – mine and ore processing unit
■ Atacocha (Peru) – mine and ore processing unit

Smelter

■ Três Marias (Brazil) – Smelter
■ Juiz de Fora (Brazil) – Smelter
■ Cajamarquilla (Peru) – Smelter

Mineral Exploration

■ Brazil
■ Peru
■ Namibia

Offices

■ São Paulo (Brazil) – central administration
■ Lima (Peru) – commercial and administrative
■ Luxembourg – headquarters, commercial, and administrative
■ Houston (United States) – commercial
■ Belo Horizonte (Brazil) – administrative
■ Salzburg (Austria) – commercial
■ Toronto (Canada) – administrative