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Newmont Waihi Gold 2012

Newmont Waihi Gold 2012. 2012. Who are we?. Newmont Mining Corporation. 35,000 staff & contractors. more than 20 locations. 10 countries. 5 continents. Martha Mine – Historic Workings. 1880s to 1952 7 vertical shafts 170 km drives 600 metres deep Open pit approx 250 metres deep.

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Newmont Waihi Gold 2012

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  1. Newmont Waihi Gold2012 2012

  2. Newmont Waihi Gold General Induction Who are we? Newmont Mining Corporation 35,000 staff & contractors more than 20 locations 10 countries 5 continents

  3. Martha Mine – Historic Workings 1880s to 1952 7 vertical shafts 170 km drives 600 metres deep Open pit approx 250 metres deep

  4. 2nd June 2011 Strictly Confidential Waihi today Favona Moonlight Trio Correnso Martha East Layback NWG Office Martha Exploration Project

  5. What is our economic performance? • We employ 400 staff and contractors • Another 400 people indirectly employed • On average we spend around $190M a year on goods, services, rates, taxes, royalties. • 32% is spent locally (within 30km of Waihi) • 29% is spent regionally (Bay of Plenty, Waikato, Coromandel) • 21% is spent in the rest of NZ • 18% is spent overseas • In the last five years: $239m in capital expenditure and $694m in operational expenditure • 82% of this money is spent in New Zealand • Since 2006 we have spent $264m on goods and services in and around Waihi, a town of 4,500 people • Since 1987 more than 2.5 million ounces of gold and 20 million ouncesof silver have been produced

  6. Before: evidence required for a RMA application • Project description (mine design, mining method, geology, etc.) • Metallurgy • Air quality • Vibration • Receiving water quality / ecology • Noise • Geochemistry • Hydrogeology / settlement • Traffic • Economic impact • Property / community investment • Consultation summary….

  7. During: monitoring of operations and reporting • Real-time monitoring of vibration • Noise monitoring • Dust / air quality monitoring • Water levels • Water quality – bores around TSF; water in discharge and overflow ponds; water treatment plant quality; upstream and downstream monitoring • Bio-monitoring • Ground settlement and tilt • Complaints Reporting on all of the above to District and Regional Councils.

  8. After: rehabilitation and monitoring • Progressive environmental rehabilitation • Economic and social sustainability • Rehabilitation and capitalisation bonds: • Martha Pit Rehabilitation Bond: $26.2m (two separate bonds - jointly overseen by HDC and WRC). • Ministry of Energy and Resources Bond: $1.25m • Water rights bond with WRC: $2m • Conservation bond: $0.057m (for DoC land) • Capitalisation bond: $10.4m (formation of Martha trust) • Martha Trust: responsible for management of sites, rehabilitation, and monitoring in perpetuity.

  9. What is our social & community performance? • Donations, sponsorships, partnerships • Vision Waihi Trust & Waihi Community Vision • Gold Discovery Centre • Sport’n’Action sports hub • Creative Waihi • Waihi Heritage Vision • Social Development Group • Waihi Gold Education Trust • Dotterel Watch partnership with DoC • Beach Hop Warm Up Party • Over 50 community organisations, groups or clubs assisted in 2011 • Riparian planting – almost 500,000 native trees and shrubs 9

  10. Support for mining over time Independent poll carried out by Phoenix Research Ltd

  11. What do people in Waihi perceive to be the disadvantages of mining?

  12. What do people in Waihi perceive to be the benefits of mining?

  13. Resource Consents • Community Relations • NWG must appoint a Company Liaison Officer to receive complaints from the community

  14. Water Management System • Restrict generation of acid drainage • Control of tailings underdrainage • Collection of water from: • Open pit • Favona • Process plant • Tailings storage facility • Stormwater via Silt and Collection ponds • Treat water to level appropriate for discharge • Discharge to the Ohinemuri River

  15. River monitoring sites a) OC2 b) OH3/A c) OH5/B d) OH1/UPD e) OH6/DPD f) RU1/R2 OH3 – u/s of upper discharge OH5 d/s of upper discharge OC2 - Upstream of site Ruahorehore confluence OH1 u/s of lower discharge OH6 – d/s of lower discharge

  16. TSF management • Pond water level monitoring • Bird monitoring • Peak recorded number of birds taking sanctuary on any day = 900

  17. Vibration Monitoring System • Compliance Requirements • Monitoring specifications comply with the criteria set down in the Hauraki District Plan • A complete record of each blast is required, including all blast design details • Any complaints are documented

  18. Dust Monitoring Ambient air trigger limit = 45 µg/m³ Trigger limits are from the National Air Quality Guidelines and not a compliance limit. The Mining Licence limit = 100 µg/m³)

  19. Rehabilitation • Martha Pit filled to create recreational lake and park • Estimate 27 years to fill with rain and natural groundwater inflows • Est. 6-7 years to fill if supplemented by Ohinemuri River flood flows • Tailings Storage Facilities • Wetlands and native plantings • Grazing

  20. To Open Cast Mine, Mine Underground or Not At All? Advantages of Open Cast • Get more gold and silver because everything is taken • Can enhance safety • Is more economic when collecting small amounts of ore from a large variety of places • Is used when ore bodies are close to the surface Advantages of Underground Mining • No issues with dust, noise • Able to work 24/7 • Following more lucrative vein systems • Less above ground land use • Socially more acceptable • Encourages mining operations to seek larger ore bodies • Less waste rock • Back filling Phil Salmon Newmont Waihi Gold 07 8639880 or phillip.salmon@newmont.com

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