8/12/2019 Fact Sheet Peru En

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Peruvian Operations Coricancha, Contonga, Pucarrajo

OVERVIEW

CONTONGA 

The Contonga mine is an underground multimetallic mine with more than 25 years of operatinghistory. The mine which is located approximately 470 kilometers from Lima, Peru, is currentlyprocessing around 990 tonnes of ore daily.

In 2014, Nyrstar expects to obtain the authorization to increase daily processing capacitywhile continuing with mineral exploration programs that which will ensure the future of theoperation. The Contonga mine is managed in conjunction with the Coricancha and Pucarrajomines by a single experienced management team, utilizing the shared services of Nyrstar’s Limaoffice.

CORICANCHA 

The Coricancha mine is an underground multi-metallic mine with more than 60 years ofoperating history. It is currently on care and maintenance. The mine’s poly-metallic processingplant utilizes the BIOX® bio-leaching process to recover refractory gold in an environmentallysound manner. Coricancha mine is located approximately 90 kilometers east of Lima, Peru inclose proximity to a number of other significant mining operations and exploration properties.

PUCARRAJO 

The Pucarrajo mine is an underground multimetallic minewhich had been in operation for more than 30 years, andwas operating at approximately 1,000 tonnes per daybefore it was placed on care and maintenance in 2008due to weak metal prices. The Pucarrajo mine remains oncare and maintenance. Nyrstar continues to assess theramp up of this mine in the future.

2013

  Fast Facts  Coricancha

  Mine Type

— underground multi-metal mine

  Products

— gold/silver dore, lead concentrate, zinc

concentrate, copper concentrate

  Production 2013

— 2,600 troy ounces of gold

— 164,000 troy ounces of silver

— 1000 tonnes of zinc in concentrate

— 200 tonnes of lead in concentrate

— 100 tonnes of copper in concentrate

  Contonga

  Mine Type

— underground zinc-lead-copper-silver

  mine

  Products— zinc concentrate, lead

  concentrate, copper concentrate

  Production 2013

— 13,000 tonnes of zinc in concentrate

— 300 tonnes of lead in concentrate

— 2,600 tonnes of copper in concentrate

— 306,000 troy ounces of silver in

concentrate

  Total Employees — 447 

Pucarrajo

  Mine Type

— underground zinc-lead-silver mine

  Products

— zinc concentrate, lead concentrate

 

PRODUCTION PROCESS AT CORICANCHA

Drill & Blast

CrushingCircuit

HeavyMedia

Separator

LeadFlotation

BallMill

ZincFlotation

GoldFlotation

BIOX® Bio-Leaching

Crushed RockAggregate

Lead/SilverConcentrate

ZincConcentrate

Gold/SilverDore

TailingsFilterPress

Haulage

      M      I      L      L

      P      R      O      D      U      C      T      S

      M      I      N      E

Drill & Blast

SecondaryCrushing

Rod/BallMill

Thickener /Filter

Flotation   Tailings

Zinc/Lead/ Copper

Concentrate

PrimaryCrushing

      M      I      L      L

      P      R      O      D      U      C      T      S

      M      I      N      E

PRODUCTION PROCESS AT CONTONGA, PUCARRAJO

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