Gold Fields Limited · JSE:GFI

Gold Fields — Technical Presentation (November 2011)

10 slides from Gold Fields's technical presentation, Nov 18, 2011

  1. Slide 1: Technology and Innovation

    Technology and Innovation 18 November 2011

  2. Slide 2: The importance of technology

    The importance of technology IImperative ti for f improved i d safety, f t efficiency ffi i and d delivering d li i full f ll potential t ti l from f operations and projects  Requirement for safe production  Engineering out risk  Increasingly challenging ore bodies  Automation & mechanisation 

  3. Slide 3: Gold Fields technology and innovation strategy

    Gold Fields technology and innovation strategy Technology and Innovation framework integrated across the Group  Centrally managed Technology  Pull and Push technologies driven in integrated and sustainable manner Model  Collaboration with research groups, OEM’s and technology providers • Technolo

  4. Slide 4: Python Plant

    Python Plant Flexible solution to surface processing Optimise  Unlockingg ggold reserves in surface resources at KDC Our Operations  Brings forward low cost gold ounces  New e tec technology o ogy - Skid mounted, mobile, versatile, compact and multiple integrated units - modular set-up  Operatio

  5. Slide 5: Compressed Air-less Shaft

    Compressed Air-less Shaft Changing the paradigm – re-engineering to reduce power consumption Optimise  Removing underground reliance on compressed air Our Operations Compressed air  Current deep underground compressed air systems sub optimal - Consume ~20% of electricity - Typically less than 20%

  6. Slide 6: Drop-in impellers and composite fans

    Drop-in impellers and composite fans Drawing down power consumption and operating cost Optimise  Drop-in op impellar pe a - cutt cutting g edge ventilation e t at o tec technology o ogy Our Operations  Composite fans Drop-in impellers use less power and improve efficiency  Potential saving - Aver

  7. Slide 7: Mill safe start system

    Mill safe start system Large mill protection and safety  Prevents premature mechanical & electrical failure of large geared grinding mills Optimise p  Offers Off protection t ti against i t locked l k d charge h incidents i id t with ith uninterrupted i t t d production d ti Our Operations  To be

  8. Slide 8: Platsol

    Platsol Innovative solution for low grade poly-metallic ores Grow  High pressure oxidation leaching in autoclave unit Gold Fields  Bringing Arctic Platinum ore body to account  Improved overall recovery through bulk flotation and higher mass pull − Typical recovery improvement of ~20 percentage p

  9. Slide 9: Methane extraction at Beatrix Gold Mine

    Methane extraction at Beatrix Gold Mine Carbon and Energy Management Securing g Our  First hard rock project in the world registered under the Kyoto Protocol Future  Underground and surface borehole methane extraction  Methane captured at source underground and conveyed via a network of pipes to

  10. Slide 10: Water treatment in South Africa Region

    Water treatment in South Africa Region Liquid Gold Project - key to unlocking sustainable solutions  Acid Mine Drainage – world-wide Concern Securing Our  License to Operate – water security is a key contributing factor Future  Proactive – sustainable potable water solution for mine and dirty fis

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