8/18/2019 Concentrate Purchase Model

1/6

The concentrates ar

Raw Materials Pricedless than LME

Finished productpriced more than LME

8/18/2019 Concentrate Purchase Model

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beneft

Ben

!ulphuric "cid

8/18/2019 Concentrate Purchase Model

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Concentrate Pri

 Treatment Chare # Refnin Chare

Cathode Premium

Premium

e priced as under :

%rade o Concentrate &'(

Metal Content per Mt o Concentrate )*&')

Payable Metal ( +'*,)(

Payable metal $uanity )*&,)+

LME ')))Payable Copper -alue .,),*/

less Treatment Chare .))

Less Refnin Chare

Chare .) Cents0lb

. Mt o Copper is &&*)/'

 Treatment Chare ,,*1.1/./ ,,*1.1/./

30% 1350.08659Grade

2otional Recovery o +'*,to compesate or proces

err

LME Less Treator !meltin 3o

Concent

8/18/2019 Concentrate Purchase Model

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Payable "ctual LME Price

  Recovery

om recovery +'*,)( +5*,)( ')))

ft rom Treatment Chare .)) ,)

beneft rom refnin Chare '1 /)

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cing Model

LME Price

  or $uality o Cathodes

Copper

Mt

Mt

6! 70 Mt o Copper6! 70Mt o Concentrate

6! 70Mt o Concentrate

6! 70Mt o Concentrate

percent o contained metalsin losses and samplinors**

  ent Chare to compensater Concentrates4 and Refnin

Costs*

#$ &Mt o"Concentrate

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beneft

') 6! 7

.+&*1)5'+&1. 6! 7

+.*''++88)/1 6!7