Nilefos Minerals Limited:  Phase I:  Rock and concentrate production schedule
    Totals 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026
  Units or Avg. -2 -1   1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
MINE PRODUCTION  
Operating Days day/yr 350   350 350 350 350 350 350 350 350 350 350 350 350 350 350 350
Mine Capacity tpd 1,000   1,000 1,000 1,000 1,000 1,000 1,000 1,000 1,000 1,000 1,000 1,000 1,000 1,000 1,000 1,000
Annual Capacity kt 5,250   350 350 350 350 350 350 350 350 350 350 350 350 350 350 350
Waste Stripped kt 525   35 35 35 35 35 35 35 35 35 35 35 35 35 35 35
South Valley ore kt 3,150   350 350 350 350 350 350 350 350 350
North Valley ore kt 700     350 350
West Valley ore kt 1,400       350 350 350 350
Total Ore excavated kt 5,250       350 350 350 350 350 350 350 350 350 350 350 350 350 350 350
Ore Grade % P2O5      
South Valley % 13.87%   13.87% 13.87% 13.87% 13.87% 13.87% 13.87% 13.87% 13.87% 13.87%  
North Valley % 13.71%     13.71% 13.71%
West Valley % 14.68%       14.68% 14.68% 14.68% 14.68%
Combined % 14.06%       13.87% 13.87% 13.87% 13.87% 13.87% 13.87% 13.87% 13.87% 13.87% 13.71% 13.71% 14.68% 14.68% 14.68% 14.68%
Contained P2O5        
South Valley kt 437       49 49 49 49 49 49 49 49 49  
North Valley kt 96         48 48
West Valley kt 205           51 51 51 51
Total kt 738       49 49 49 49 49 49 49 49 49 48 48 51 51 51 51
PROCESS PLANT  
Stockpile  
Begin Tons kt      
received from South Valley kt 3,150       350 350 350 350 350 350 350 350 350
received from North Valley kt 700       350 350
received  from West Valley kt 1,400       350 350 350 350
sent to beneficiation plant kt 5,250       350 350 350 350 350 350 350 350 350 350 350 350 350 350 350
End Tons kt      
Stockpile P2O5 grade %  
Begin % -       13.87% 13.87% 13.87% 13.87% 13.87% 13.87% 13.87% 13.87% 13.87% 13.71% 13.71% 14.68% 14.68% 14.68% 14.68%
ore sent to plant % -       13.87% 13.87% 13.87% 13.87% 13.87% 13.87% 13.87% 13.87% 13.87% 13.71% 13.71% 14.68% 14.68% 14.68% 14.68%
End % -      
Contained P2O5 kt  
Begin kt      
P2O5 In kt 738       49 49 49 49 49 49 49 49 49 48 48 51 51 51 51
to beneficiation plant kt 738       49 49 49 49 49 49 49 49 49 48 48 51 51 51 51
End kt      
P2O5 Production  
concentrate weight recovery % 9.06%       8.97% 8.97% 8.97% 8.97% 8.97% 8.97% 8.97% 8.97% 8.97% 8.88% 8.88% 9.17% 9.17% 9.17% 9.17%
Concentrate produced kt 473       31.380  31.380  31.380  31.380  31.380  31.380  31.380  31.380  31.380  31.081  31.081  32.109  32.109  32.109  32.109 
concentrate P2O5 grade % 39%   39% 39% 39% 39% 39% 39% 39% 39% 39% 39% 39% 39% 39% 39% 39%
P2O5 in concentrate kt 184            12.18      12.176      12.176      12.176      12.176      12.176      12.176      12.176      12.176      12.059          12.059      12.458      12.458      12.458      12.458  
P2O5 recovery rate % 25%   25% 25% 25% 25% 25% 25% 25% 25% 25% 25% 25% 24% 24% 24% 24%
Plant tailings (m3) density  
Solid Waste 3.30 907       60 60 60 60 60 60 60 60 60 61 61 60 60 60 60
Water 76% 2,871       192 192 192 192 192 192 192 192 192 192 192 191 191 191 191
P2O5 Tailings m3 3,778       252 252 252 252 252 252 252 252 252 252 252 251 251 251 251
Fe3O4 Stockpile 3.2 558       37 37 37 37 37 37 37 37 37 37 37 37 37 37 37
Text Box: Note: This table is based on a regression function (row 41)  giving concentrate/ore  weight  recovery Y as a function of ore grade X as per the following formula: Y=-32.287xX*2 + 9.4723xX - 0.603

The experimental justification for this formula has to be given.