Campo MoradoOntario – Mexico MissionBy Oscar Zelaya General Manager, presentation by Oscar Overley, Materials Management Manager

Ontario, Canada, March 2011

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Campo Morado OverviewCampo Morado Overview

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CAMPO MORADO MINING DISTRICT

G-9 Underground Mine

MEXICO

Campo Morado Overview

Campo Morado Overview

Arcelia

Campo Morado

Iguala

Campo Morado Overview

G 9 MINE

Campo Morado Overview

G9 Overview

G9 Discovery hole 5 years ago, May 2005G9 Discovery hole 5 years ago, May 2005

Construction started January 07Construction started January 07

First ore from the mine was reached on July 08First ore from the mine was reached on July 08

Plant Commissioning started August 15Plant Commissioning started August 15th th 09 09

Commercial Production achieved April 1Commercial Production achieved April 1st st 09 09

2,200 tonnes per day treated in March 102,200 tonnes per day treated in March 10

Part of Nyrstar starting on January 8Part of Nyrstar starting on January 8thth 11 11

420420 full time employees full time employees Project throughput 1,500 tpd with upside on Project throughput 1,500 tpd with upside on

the mine and mill capacity. Actual 1,700 tpd the mine and mill capacity. Actual 1,700 tpd and goal 2,000 tpdand goal 2,000 tpd

Underground mine with decline access.Underground mine with decline access. Mining method is open stopping with delayed Mining method is open stopping with delayed

rock rock fill.fill. Flotation of Zinc, Copper and Lead Flotation of Zinc, Copper and Lead

Concentrates.Concentrates. Power via 22 km line, Port for conc. Shipment Power via 22 km line, Port for conc. Shipment

700 km. from site. Good 700 km. from site. Good rroad access .oad access .

G-9 Overview

All accidents and incidents are preventable

Everyone must comply with HSE-CR standards and policies

Our goal is to:1) Comply

2) Prevent

3) Improve

HSE – CR Policy

• Mine access - two parallel decline ramps, Mine access - two parallel decline ramps, approx 1.5 km to ore zones.approx 1.5 km to ore zones.

• Mucking - 6 m3 LHD’s and 30 ton trucks.Mucking - 6 m3 LHD’s and 30 ton trucks.• Underhand Benching (UHB) with horizontal Underhand Benching (UHB) with horizontal

bench drillingbench drilling• Primary stopes are developed with an initial 5m Primary stopes are developed with an initial 5m

x 5m drivex 5m drive• Rib pillars and/or secondary stopes 5 to 8m Rib pillars and/or secondary stopes 5 to 8m

widewide• Stope heights of 12 to 17m (grade Stope heights of 12 to 17m (grade

consideration)consideration)• Mine development is key to our success in accessing Mine development is key to our success in accessing

and maintaining several work areas, providing and maintaining several work areas, providing flexibility and grade blending.flexibility and grade blending.

G-9 Underground Mine

In-house development

Development by contractor

2011 Allimak raises

ZONA ABAJO

AREA 6

AREA 7

WEST EXT

AREA 5

AREA 1

AREA 2

AREA 8

DESARROLLO REALIZADO

CON EQUIPO DE CASA

2011 MINE PLAN3D View showing ore

bodies

G-9 Underground Mine

Ore Body SE 2Ore Body SE 2

Drill Holes Defining the Ore Body:2 Surface

2 Underground

Extrated Tonnes: 19,623

GRADESAg(g/t) Pb (%) Zn(%) Cu(%) 185.2 1.10 9.4 1.20

GRADESAg(g/t) Pb (%) Zn(%) Cu(%) 185.2 1.10 9.4 1.20

Process Plant

• The plant was designed to treat 1,500 tpd The plant was designed to treat 1,500 tpd producing three concentrates. Currently producing three concentrates. Currently producing 2 concentrates with an average of producing 2 concentrates with an average of 1,800 tpd going up to 2,000 tpd1,800 tpd going up to 2,000 tpd

• Primary grind to a P80 of 35micron, Primary grind to a P80 of 35micron, • Bulk flotation rougher con is reground to 10 Bulk flotation rougher con is reground to 10

micronmicron• Zinc rougher con is reground to 15 micron Zinc rougher con is reground to 15 micron

and cleaned in 4 stages.and cleaned in 4 stages.

Process Plant

Mill Production - Base Metals

Tailings Dam

2011 PLAN 2010 ACTUALTotals & Averages Totals & Averages

Troughput t/h dry 87.2 84.0Dry Tonnage t/d 1,884 1,663

Milled tonnes t (dry) 687,820 610,801Head Grades

Zn % 8.10 8.35

Cu % 1.20 0.98

Pb % 1.03 1.00

Au g/t 2.09 2.34

Ag g/t 142 162

-

50,000

100,000

150,000

200,000

Q1 -09

Q2 -09

Q3 -09

Q4 -09

Q1 -10

Q2 -10

Q3 -10

Q4 -10

Q1 -11

Q2 -11

Q3 -11

Q4 -11

Treated Tonnage

Quarters

Mill Production

Copper ConcentrateCopper Recovery % 75.0% 67.4%

Silver Recovery to Cu Conc % 36.2% 30.0%

Gold Recovery to Cu Conc % 10.6% 20.0%

Copper Concentrate Grade % 15.0% 13.0%

Copper Concentrate DMT 41,433 31,090

Zinc ConcentrateZinc Recovery % 85.0% 82.7%

Silver Recovery to Zn Conc % 25.0% 24.0%

Gold Recovery to Zn Conc % 18.0% 15.3%

Zn Conc Grade % 50.0% 47.7%

Zinc Concentrate DMT 94,724 88,377

Totals & Averages 2010

Metal containedZINC (000) lb 104,415 92,966ZINC t 47,362 42,169

COPPER (000) lb 13,701 8,875COPPER t 6,215 4,026

SILVER oz 1,881,029 1,719,517GOLD oz 21,309 11,252

Mill Production

Capital

Printed : 1/24/11 5:22 PM

2011 Summary Updated: 14-ene-11

Cashflow ForecastBudget Metal Prices SCENARIO "B"

Quarter Ending Total mar-31 jun-30 sep-30 dic-312011 2011 2011 2011

Capital CostsSustaining Capital US$000 10,814 4,372 6,022 315 104 Sustaining Growth US$000 1,250 313 313 313 313 Development US$000 8,801 1,873 2,697 2,302 1,928 Exploration US$000 8,147 1,907 2,186 2,136 1,918

Total Capital Costs US$000 29,012 8,464 11,218 5,067 4,263

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About NyrstarNyrstar is a leading global multi-metals company, producing significant quantities of zinc and lead as well as other metals (silver, gold and copper).

Largest zinc producer in the world-1.1 million mt/yr of zinc-330,000 mt/yr of concentrated zinc* 

Important lead producer-240,000 mt/yr of lead-10,000 mt/yr of concentrated lead* 

Other metals-20.5 million troy ounces of silver**-95,000 troy ounces of gold**

Listed on the NYSE Euronext Brussels since October 2007.

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Cheff Operating OfficerDick Whittington

General Manager A.I.Zelaya Márquez Oscar

Mine Manager

Wilfrido Saldaña

Plant OperationFrancisco Piña

Mine Planning Open(R Trejo)

Planing and Geology

Abelardo Mendevil

Site Services/Civil Works

Cenaida Torres

Site AccountingAlberto Cruz

Mine OperationEnrique Gutierrez

LaboratoryGuadalupe Mosqueda

Corporate Farallon Mining

SafetyClaudio Vázquez

Plant MaintenanceSergio Salas

Elect./Instrum. Maintenance

Manuel Suarez

Mine MaintenanceTord Ardvisson

PurchasingCarlos Suazo

Organization Chart December 2010

WarehouseRafael Salina

EnvironmentalLuis David

Training & Dev.Sergio Mercado

Maintenance Manager

Roger Labonte

Information Technology

(Outsourcing)

Plant Manager

Open

MaterialsManager

Oscar Overley

HR Manager

Guillermo Quintana

ControllerGuillermo Espinosa

Plant ProcessMarco Hernandez

Labor RelationsGregorio Reyes

Mine Geology Islas Cortez Victor

Manuel

SecuritySerafin Hernandez

Camp ServicesFernandez Alfredo

Raul Bahena

MetalurgyMedina Francisco

General Accounting

Fabiola Martinez

Health José Hernández

AsistentesJanneth Rodriguez

Jorge Monroy

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Our Vision

“Our vision is to be the partner of choice in essential resources for the development of a changing world. Our strategic direction is to focus

on the pursuit of value creation for our stakeholders through initiatives that improve and expand our existing assets while selectively

pursuing opportunities in mining.”

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Nyrstar Operations

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Vision 2020

—EBITDA: EUR >>1.000 million

Leading company of metalic production resources for the future

—A distinct and incorporated property culture

—Nyrstar’s style seen as a model to follow within the industry

“Sustainable Renovation: Resources for a constantly

changing world”

General business description

Strategic Priorities

Culture and values

2015

—EBITDA: EUR >1.000 million

—Integration level: 50-60+%

Stregthening of the Zn industry

—Strong property culture

—Nyrstar’s style clearly incorporated in the organization

“First Harvests”

2007/08

—Stock Market capitalization: 2.000 million/150 million Euros

—EBITDA: 550/ 150 million Euros

—Integration level: 0%

Consolidation of Zn processing

—2 cultures (Zinifex, Umicore)

—Together, defined as five shared values for the entire organization

“Dry Land”

2010

—Stock Market capitalization: 1,2 million Euros

—EBITDA: EUR ~ 200 million

—Integration level: 31%

From the processing to the exploitation of Zn, with exposure to new markets

—Emerging culture

—Evolution of five values towards Nyrstar’s style

“First Shoots”

Nyrstar’s journey to 2020

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2010

First Zinc Foundry in the World

Ranking in smelting

Among the 10 best Zinc Mining Companies.

Ranking in mining

31%Integration level

Maintain position as first Zinc Foundry in the World.

Among the 3rd and 5th best Zinc Mining Companies.

>> 2015

50-60+%

Market Position (classification) and Integration Level

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Nyrstar’s Values

Honesty and open-mindedness Share our point of view through the creation of a productive environment, which guarantees the expression of ideas as well as concerns.

Keep our wordKeep our promises in order to create confidence and productivity.

Make bold decisionesMake bold, calculated decisions to face the uncertainty of confidence.

Create valueSeek ways to improve our profitability and identify opportunities for growth.

Utilize an innovative and creative way of thinking

Look for ways to improve our existing processes or discover completely new ways to work.

Prevent harm among our staff, the environment, our strategy as well as our fixed and financial assets.Prevent harm

MotivationDemonstrate great amounts of enthusiasm and perseverance to achieve outstanding results.

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Success depends on each and every one of us we are creating our own future