Campo Morado Ontario – Mexico Mission

1. Campo MoradoOntario – Mexico Mission By Oscar Zelaya General Manager, presentation by Oscar Overley, Materials Management Manager Ontario, Canada, March 2011

2. Campo Morado Overview 2

3. CAMPO MORADO MINING DISTRICT G-9 Underground Mine 3

4. Campo Morado Overview MEXICO

5. Campo Morado Overview Arcelia Iguala Campo Morado

6. Campo Morado Overview

7. Campo Morado Overview

8. G9 Overview • G9 Discovery hole 5 years ago, May 2005 • Construction started January 07 • First ore from the mine was reached on July 08 • Plant Commissioning started August 15th 09 • Commercial Production achieved April 1st 09 • 2,200 tonnes per day treated in March 10 • Part of Nyrstar starting on January 8th 11

9. G-9 Overview • 420 full time employees • Project throughput 1,500 tpd with upside on the mine and mill capacity. Actual 1,700 tpd and goal 2,000 tpd • Underground mine with decline access. • Mining method is open stopping with delayed rock fill. • Flotation of Zinc, Copper and Lead Concentrates. • Power via 22 km line, Port for conc. Shipment 700 km. from site. Good road access .

10. All accidents and incidents are preventable Everyone must comply with HSE-CR standards and policies Our goal is to: Comply Prevent Improve HSE – CR Policy

11. G-9 Underground Mine • Mine access - two parallel decline ramps, approx 1.5 km to ore zones. • Mucking - 6 m3 LHD’s and 30 ton trucks. • Underhand Benching (UHB) with horizontal bench drilling • Primary stopes are developed with an initial 5m x 5m drive • Rib pillars and/or secondary stopes 5 to 8m wide • Stope heights of 12 to 17m (grade consideration) • Mine development is key to our success in accessing and maintaining several work areas, providing flexibility and grade blending.

12. 2011 MINE PLAN 3D View showing ore bodies ZONA ABAJO AREA 1 AREA 2 AREA 5 AREA 6 AREA 8 WEST EXT AREA 7 In-house development Development by contractor DESARROLLO REALIZADO CON EQUIPO DE CASA 2011 Allimak raises

13. G-9 Underground Mine

14. Ore Body SE 2 Extrated Tonnes: 19,623 GRADES Ag(g/t) Pb (%) Zn(%) Cu(%) 185.2 1.10 9.4 1.20 Drill Holes Defining the Ore Body: 2 Surface 2 Underground

15. Process Plant

16. Process Plant • The plant was designed to treat 1,500 tpd producing three concentrates. Currently producing 2 concentrates with an average of 1,800 tpd going up to 2,000 tpd • Primary grind to a P80 of 35micron, • Bulk flotation rougher con is reground to 10 micron • Zinc rougher con is reground to 15 micron and cleaned in 4 stages.

17. Mill Production - Base Metals

18. Tailings Dam

19. Mill Production

20. Mill Production

21. Capital

22. About Nyrstar Nyrstar 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.

24. 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.”

25. Nyrstar Operations

26. Nyrstar’s journey to 2020 Vision 2020 2015 2010 2007/08 “Sustainable Renovation: Resources for a constantly changing world” “Dry Land” “First Harvests” “First Shoots” Consolidation of Zn processing Stregthening of the Zn industry Leading company of metalic production resources for the future From the processing to the exploitation of Zn, with exposure to new markets • Stock Market capitalization: 2.000 million/150 million Euros • EBITDA: 550/ 150 million Euros • Integration level: 0% • EBITDA: EUR >1.000 million • Integration level: 50-60+% • EBITDA: EUR >>1.000 million • Stock Market capitalization: 1,2 million Euros • EBITDA: EUR ~ 200 million • Integration level: 31% • 2 cultures (Zinifex, Umicore) • Together, defined as five shared values for the entire organization • Emerging culture • Evolution of five values towards Nyrstar’s style • Strong property culture • Nyrstar’s style clearly incorporated in the organization • A distinct and incorporated property culture • Nyrstar’s style seen as a model to follow within the industry Strategic Priorities General business description Culture and values

27. >>2015 Maintain position as first Zinc Foundry in the World. Among the 3rd and 5th best Zinc Mining Companies. 50-60+% Market Position (classification) and Integration Level 2010 Ranking in smelting First Zinc Foundry in the World Ranking in mining Among the 10 best Zinc Mining Companies. Integration level 31%

28. Nyrstar’s Values Prevent harm among our staff, the environment, our strategy as well as our fixed and financial assets. Prevent harm  Share our point of view through the creation of a productive environment, which guarantees the expression of ideas as well as concerns. Honesty and open-mindedness Keep our promises in order to create confidence and productivity. Keep our word Make bold, calculated decisions to face the uncertainty of confidence. Make bold decisiones Seek ways to improve our profitability and identify opportunities for growth. Create value Look for ways to improve our existing processes or discover completely new ways to work. Utilize an innovative and creative way of thinking Demonstrate great amounts of enthusiasm and perseverance to achieve outstanding results. Motivation

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