Addendum 3 to the Refining Contract of November 1st 2005
 December 10th 2008
 Argor-Heraeus SA, Via Moree 14, Mendrisio Switzerland
  Bong Mieu Gold Mining Company
  Return rate of gold and silver contained in the Doré
       December 31st 2009
  /s/ Dr. Wilfried H. Hörner
Dr. Wilfried H. Hörner
Director Refining & Bank Products
    
    /s/ Bernhard Schnellmann
Bernhard Schnellmann
Director Precious Metals Services
  
 
 1




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##### 



Limits and penalties for deleterious / disturbing elements:
  Mercury:
  Presence of radioactivity:
  Arsenic:up to
    
    
    0.01
    %
    
    
    
    no chargeup to
    
    
    0.03
    %
    
    
    
    US$0.15 / oz gross weightup to
    
    
    0.05
    %
    
    
    
    US$0.25 / oz gross weightup to
    
    
    0.10
    %
    
    
    
    US$0.40 / oz gross weight>
    
    
    0.10
    %
    
    
    
    no smelt will be undertakenCadmium:up to
    
    
    0.01
    %
    
    
    
    no chargeup to
    
    
    0.03
    %
    
    
    
    US$0.15 / oz gross weightup to
    
    
    0.05
    %
    
    
    
    US$0.25 / oz gross weightup to
    
    
    0.10
    %
    
    
    
    US$0.40 / oz gross weight>
    
    
    0.10
    %
    
    
    
    no smelt will be undertakenSelenium:up to
    
    
    0.01
    %
    
    
    
    no chargeup to
    
    
    0.03
    %
    
    
    
    US$0.15 / oz gross weightup to
    
    
    0.05
    %
    
    
    
    US$0.25 / oz gross weightup to
    
    
    0.10
    %
    
    
    
    US$0.40 / oz gross weight>
    
    
    0.10
    %
    
    
    
    no smelt will be undertakenBismuth:up to
    
    
    0.01
    %
    
    
    
    no chargeup to
    
    
    0.03
    %
    
    
    
    US$0.15 / oz gross weightup to
    
    
    0.05
    %
    
    
    
    US$0.25 / oz gross weightup to
    
    
    0.10
    %
    
    
    
    US$0.40 / oz gross weight>
    
    
    0.10
    %
    
    
    
    no smelt will be undertakenTellurium:up to
    
    
    0.01
    %
    
    
    
    no charge
 
 2




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##### 



up to
    
    
    0.03
    %
    
    
    
    US$0.15 / oz gross weightup to
    
    
    0.05
    %
    
    
    
    US$0.25 / oz gross weightup to
    
    
    0.10
    %
    
    
    
    US$0.40 / oz gross weight>
    
    
    0.10
    %
    
    
    
    no smelt will be undertakenAntimony:up to
    
    
    0.01
    %
    
    
    
    no chargeup to
    
    
    0.03
    %
    
    
    
    US$0.15 / oz gross weightup to
    
    
    0.05
    %
    
    
    
    US$0.25 / oz gross weightup to
    
    
    0.10
    %
    
    
    
    US$0.40 / oz gross weight>
    
    
    0.10
    %
    
    
    
    no smelt will be undertakenLead:up to
    
    
    0.01
    %
    
    
    
    no chargeup to
    
    
    0.03
    %
    
    
    
    US$0.15 / oz gross weightup to
    
    
    0.05
    %
    
    
    
    US$0.25 / oz gross weightup to
    
    
    0.10
    %
    
    
    
    US$0.40 / oz gross weightup to
    
    
    5.00
    %
    
    
    
    US$0.75 / oz gross weight>
    
    
    5.00
    %
    
    
    
    no smelt will be undertakenTin:up to
    
    
    0.1
    %
    
    
    
    no chargeup to
    
    
    0.3
    %
    
    
    
    US$0.05 / oz gross weightup to
    
    
    0.5
    %
    
    
    
    US$0.15 / oz gross weightup to
    
    
    1.0
    %
    
    
    
    US$0.25 / oz gross weightup to
    
    
    3.0
    %
    
    
    
    US$0.40 / oz gross weight>
    
    
    3.0
    %
    
    
    
    no smelt will be undertakenMolybdem
    
    um:up to
    
    
    0.1
    %
    
    
    
    no chargeup to
    
    
    0.3
    %
    
    
    
    US$0.05 / oz gross weightup to
    
    
    0.5
    %
    
    
    
    US$0.15 / oz gross weightup to
    
    
    1.0
    %
    
    
    
    US$0.25 / oz gross weightup to
    
    
    3.0
    %
    
    
    
    US$0.40 / oz gross weight>
    
    
    3.0
    %
    
    
    
    no smelt will be undertakenCopper:up to
    
    
    10
    %
    
    
    
    no chargeup to
    
    
    15
    %
    
    
    
    US$0.05 / oz gross weightup to
    
    
    20
    %
    
    
    
    US$0.10 / oz gross weightup to
    
    
    30
    %
    
    
    
    US$0.20 / oz gross weight>
    
    
    30
    %
    
    
    
    no smelt will be undertaken
 
 3




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##### 




    
    reject the Shipment; all expenses incurred by the Argor-Heraeus SA in connection with the
rejected Shipment being for the account of the Supplier, or
    
    ask for additional charges from the Supplier in order to cover any additional cost the
Argor-Heraeus SA incurs in connection with such deleterious elements.
 
 4