Development results

Development values represent the actual results of sampling and no allowance has been made for any adjustments which may be necessary when estimating ore reserves.  All figures below exclude shaft sinking metres, which are reported separately where appropriate.

  KDC       June 2011 quarter March 2011 quarter Year to date F2011  
      Reef   Carbon Leader Kloof Main VCR Carbon Leader Kloof Main VCR Carbon
Leader
Kloof Main VCR  
  Advanced   (m)   4,728 185 1,232 5,596 4,657 207 1,100 5,581 9,385 392 2,332 11,177  
  Advanced on reef   (m)   909 51 243 836 1,062 91 166 1,059 1,971 142 409 1,895  
  Sampled   (m)   849 54 156 657 963 75 183 894 1,812 129 339 1,551  
  Channel width   (cm)   79 90 76 110 67 101 113 108 73 97 96 109  
  Average value - (g/t)   21.8 30.7 9.4 23.4 27.7 17.5 6.3 28.3 24.7 22.7 7.4 26.2  
    - (cm.g/t)   1,716 2,769 717 2,578 1,860 1,777 709 3,046 1,793 2,192 713 2,847  

  Beatrix       June 2011 quarter March 2011 quarter Year to date F2011  
      Reef   Beatrix Kalkoenkrans Beatrix Kalkoenkrans Beatrix Kalkoenkrans  
  Advanced   (m)   4,953 1,729 3,586 1,549 8,539 3,278  
  Advanced on reef   (m)   1,371 302 1,180 315 2,551 617  
  Sampled   (m)   1,431 288 870 315 2,301 603  
  Channel width   (cm)   104 129 104 79 104 103  
  Average value - (g/t)   11.7 14.2 10.5 15.3 11.3 14.7  
    - (cm.g/t)   1,221 1,840 1,092 1,212 1,172 1,512  

  South Deep       June 2011 quarter March 2011 quarter Year to date F2011  
      Reef     Elsburgs1,2   Elsburgs1,2   Elsburgs1,2  
  Main Advanced   (m)     3,063   2,842   5,905  
     - Main above 95 level   (m)     1,890   1,699   3,589  
     - Main below 95 level   (m)     1,173   1,143   2,316  
  Advanced on reef   (m)     1,511   1,537   3,048  
     - Square metres effectively de-stressed   (m2)     1,777   1,316   3,093  
     - Reserve value de-stressed   (g/t)     7.1   7.2   7.2  

1) Trackless development in the Elsburg reefs is evaluated by means of the resource model.
2) Full channel width not fully exposed in development, hence not reported.