DESCRIPCION 75,000Plan Producción Concentradora 150,000Tratamiento de Mineral kt/a

Tratamiento kt/d

COSTO OPERACIONAL SAG TOTAL KUS$US$/t tratada

ADMINISTRACION PLANTA KUS$US$/t tratada

Administración KUS$dotación

Seguridad Planta KUS$dotación

Materiales KUS$General y Seguridad KUS$Implementos de Seguridad KUS$Contingencia KUS$

Servicios KUS$Catering KUS$Comunicación y Computación KUS$Control Medioambiental KUS$

Input KUS$Agua Potable KUS$

MANTENIMIENTO KUS$US$/t tratada

Mecánica, Eléctrica, Instrumentación KUS$dotación

Materiales Mantenimiento KUS$106,290,097 3% Materiales (3% costo capex) KUS$102,848,097 Implementos seguridad KUS$

OPERACION KUS$US$/t tratada

Labores de Operación KUS$US$/t tratada

OperaciónKUS$dotación

LaboratorioKUS$dotación

MetalurgiaKUS$dotación

Molienda SAG & Pebbles KUS$US$/t tratada

Materiales Operación KUS$Lubricantes KUS$SAG Mill Liners KUS$SAG Mill Balls , 5" KUS$Ball Mill Liners KUS$Ball Mill Balls , 3" KUS$Equipo Mobil (diesel, mantencion) KUS$Liners y Corazas Ch. Pebbles KUS$

Contingencia (10% liners,balls,mobil,KUS$Implementos de seguridad KUS$

Input KUS$Power KUS$

MWh

KUS$/yPhase I Phase II

SABC TOTAL OPEX COST 99,156 195,259PLANT ADMINISTRATION 0 0- Administration Labor 0 0MAINTENANCE 5,701 8,936- Maintenance Labor 2,512 2,662- Materials 3,189 6,274OPERATION 93,456 186,323

- Operation Labor 688 788- Secondary Crusher- Tertiary Crusher- SAG & Pebbles Mill Grinding 92,768 185,535

Summary 99,156 195,259Total Labor 3,200 3,450- Plant Administration 0 0- Maintenance 2,512 2,662- Operation 688 788Power 46,898 93,796

- Secondary Crusher 0 0- Tertiary Crusher 0 0- SAG & Pebbles Mill Grinding 46,898 93,796

Consumables 41,699 83,399- SAG Balls 35,611 71,221- SAG Liners 5,293 10,585- Liners & Concaves 2nd Crusher 0 0- Liners & Concaves 3rd Crusher (HPGR) 0 0- Liners & Concaves Pebbles Crusher 658 1,315- Lubricants 139 277Maintenance 7,359 14,614Others 4,170 8,340

3,189 6,274

Year 1 Year 2 Year 3 Year 4 Year 5 Year 6 Year 7

25,185 25,185 25,185 25,185 25,185 50,370 50,37069 69 69 69 69 138 138

99,156 99,156 99,156 99,156 99,156 195,259 195,2593.94 3.94 3.94 3.94 3.94 3.88 3.88

0 0 0 0 0 0 00.00 0.00 0.00 0.00 0.00 0.00 0.00

0 0 0 0 0 0 00 0 0 0 0 0 00 0 0 0 0 0 00 0 0 0 0 0 0

0.0 0.0 0.0 0.0 0.0 0.0 0.00 0.0 0.0 0.0 0.0 0.0 0.0

0.00 0.00 0.00 0.00 0.00 0.00 0.000.00 0.00 0.00 0.00 0.00 0.00 0.00

0 0 0 0 0 0 00 0 0 0 0 0 00 0 0 0 0 0 00 0 0 0 0 0 00 0 0 0 0 0 00 0 0 0 0 0 0

5,701 5,701 5,701 5,701 5,701 8,936 8,9360.23 0.23 0.23 0.23 0.23 0.18 0.18

2512 2512 2512 2512 2512 2662 266267 67 67 67 67 73 73

3,189 3,189 3,189 3,189 3,189 6,274 6,2743,189 3,189 3,189 3,189 3,189 6,274 6,274

0.00 0.00 0.00 0.00 0.00 0.00 0.0093,456 93,456 93,456 93,456 93,456 186,323 186,323

3.71 3.71 3.71 3.71 3.71 3.70 3.70688 688 688 688 688 788 788

0.03 0.03 0.03 0.03 0.03 0.02 0.02

688 688 688 688 688 788 78817 17 17 17 17 21 21

0 0 0 0 0 0 00 0 0 0 0 0 0

0 0 0 0 0 0 00 0 0 0 0 0 0

92,768 92,768 92,768 92,768 92,768 185,535 185,5353.68 3.68 3.68 3.68 3.68 3.68 3.68

45,869 45,869 45,869 45,869 45,869 91,739 91,739139 139 139 139 139 277 277

2,485 2,485 2,485 2,485 2,485 4,969 4,96913,647 13,647 13,647 13,647 13,647 27,293 27,293

2,808 2,808 2,808 2,808 2,808 5,616 5,61621,964 21,964 21,964 21,964 21,964 43,928 43,928

0 0 0 0 0 0 0658 658 658 658 658 1,315 1,315

4,170 4,170 4,170 4,170 4,170 8,340 8,3400.000 0.000 0.000 0.000 0.000 0.000 0.000

46,898 46,898 46,898 46,898 46,898 93,796 93,79646,898 46,898 46,898 46,898 46,898 93,796 93,796

468,982 468,982 468,982 468,982 468,982 937,964 937,964

US$/ton kWh/t kW % cost op.Phase I Phase II Phase I Phase II Phase I Phase II Phase I

3.94 3.88 1000.00 0.00 0.00.00 0.000.23 0.18 5.70.10 0.05 2.50.13 0.12 3.23.71 3.70 18.6 18.6 53,537 107,074 94.30.03 0.02 0.7

3.68 3.68 18.6 18.6 53,537 107,074 93.63.94 3.880.13 0.070.00 0.000.10 0.050.03 0.021.86 1.860.00 0.000.00 0.001.86 1.861.66 1.661.41 1.410.21 0.210.00 0.000.00 0.000.03 0.030.01 0.010.29 0.290.17 0.17

Year 8 Year 9 Year 10 Year 11 Year 12 Year 13 Year 14

50,370 50,370 50,370 50,370 50,370 50,370 50,370138 138 138 138 138 138 138

195,259 195,259 195,259 195,259 195,259 195,259 195,2593.88 3.88 3.88 3.88 3.88 3.88 3.88

0 0 0 0 0 0 00.00 0.00 0.00 0.00 0.00 0.00 0.00

0 0 0 0 0 0 00 0 0 0 0 0 00 0 0 0 0 0 00 0 0 0 0 0 0

0.0 0.0 0.0 0.0 0.0 0.0 0.00.0 0.0 0.0 0.0 0.0 0.0 0.0

0.00 0.00 0.00 0.00 0.00 0.00 0.000.00 0.00 0.00 0.00 0.00 0.00 0.00

0 0 0 0 0 0 00 0 0 0 0 0 00 0 0 0 0 0 00 0 0 0 0 0 00 0 0 0 0 0 00 0 0 0 0 0 0

8,936 8,936 8,936 8,936 8,936 8,936 8,9360.18 0.18 0.18 0.18 0.18 0.18 0.18

2662 2662 2662 2662 2662 2662 266273 73 73 73 73 73 73

6,274 6,274 6,274 6,274 6,274 6,274 6,2746,274 6,274 6,274 6,274 6,274 6,274 6,274

0.00 0.00 0.00 0.00 0.00 0.00 0.00186,323 186,323 186,323 186,323 186,323 186,323 186,323

3.70 3.70 3.70 3.70 3.70 3.70 3.70788 788 788 788 788 788 788

0.02 0.02 0.02 0.02 0.02 0.02 0.02

788 788 788 788 788 788 78821 21 21 21 21 21 21

0 0 0 0 0 0 00 0 0 0 0 0 0

0 0 0 0 0 0 00 0 0 0 0 0 0

185,535 185,535 185,535 185,535 185,535 185,535 185,5353.68 3.68 3.68 3.68 3.68 3.68 3.68

91,739 91,739 91,739 91,739 91,739 91,739 91,739277 277 277 277 277 277 277

4,969 4,969 4,969 4,969 4,969 4,969 4,96927,293 27,293 27,293 27,293 27,293 27,293 27,293

5,616 5,616 5,616 5,616 5,616 5,616 5,61643,928 43,928 43,928 43,928 43,928 43,928 43,928

0 0 0 0 0 0 01,315 1,315 1,315 1,315 1,315 1,315 1,315

8,340 8,340 8,340 8,340 8,340 8,340 8,3400.000 0.000 0.000 0.000 0.000 0.000 0.000

93,796 93,796 93,796 93,796 93,796 93,796 93,79693,796 93,796 93,796 93,796 93,796 93,796 93,796

937,964 937,964 937,964 937,964 937,964 937,964 937,964

% cost op.Phase II

1000.0

4.61.43.2

95.40.4

95.0

Year 15 Year 16 Year 17 Year 18 Year 19 Year 20 Year 21

50,370 50,370 50,370 50,370 50,370 50,370 50,370138 138 138 138 138 138 138

195,259 195,259 195,259 195,259 195,259 195,259 195,2593.88 3.88 3.88 3.88 3.88 3.88 3.88

0 0 0 0 0 0 00.00 0.00 0.00 0.00 0.00 0.00 0.00

0 0 0 0 0 0 00 0 0 0 0 0 00 0 0 0 0 0 00 0 0 0 0 0 0

0.0 0.0 0.0 0.0 0.0 0.0 0.00.0 0.0 0.0 0.0 0.0 0.0 0.0

0.00 0.00 0.00 0.00 0.00 0.00 0.000.00 0.00 0.00 0.00 0.00 0.00 0.00

0 0 0 0 0 0 00 0 0 0 0 0 00 0 0 0 0 0 00 0 0 0 0 0 00 0 0 0 0 0 00 0 0 0 0 0 0

8,936 8,936 8,936 8,936 8,936 8,936 8,9360.18 0.18 0.18 0.18 0.18 0.18 0.18

2662 2662 2662 2662 2662 2662 266273 73 73 73 73 73 73

6,274 6,274 6,274 6,274 6,274 6,274 6,2746,274 6,274 6,274 6,274 6,274 6,274 6,274

0.00 0.00 0.00 0.00 0.00 0.00 0.00186,323 186,323 186,323 186,323 186,323 186,323 186,323

3.70 3.70 3.70 3.70 3.70 3.70 3.70788 788 788 788 788 788 788

0.02 0.02 0.02 0.02 0.02 0.02 0.02

788 788 788 788 788 788 78821 21 21 21 21 21 21

0 0 0 0 0 0 00 0 0 0 0 0 0

0 0 0 0 0 0 00 0 0 0 0 0 0

185,535 185,535 185,535 185,535 185,535 185,535 185,5353.68 3.68 3.68 3.68 3.68 3.68 3.68

91,739 91,739 91,739 91,739 91,739 91,739 91,739277 277 277 277 277 277 277

4,969 4,969 4,969 4,969 4,969 4,969 4,96927,293 27,293 27,293 27,293 27,293 27,293 27,293

5,616 5,616 5,616 5,616 5,616 5,616 5,61643,928 43,928 43,928 43,928 43,928 43,928 43,928

0 0 0 0 0 0 01,315 1,315 1,315 1,315 1,315 1,315 1,315

8,340 8,340 8,340 8,340 8,340 8,340 8,3400.000 0.000 0.000 0.000 0.000 0.000 0.000

93,796 93,796 93,796 93,796 93,796 93,796 93,79693,796 93,796 93,796 93,796 93,796 93,796 93,796

937,964 937,964 937,964 937,964 937,964 937,964 937,964

Year 22 Total

50,370 982,215138 129

195,259 3,815,1893.88 86

0 00.00 0.00

0 000 00

0.0 00.0

0.000.00

0 00000 00

8,936 180,4180.18 4.15

2662 57,81473

6,274 122,6046,274 122,604

0.00 0186,323 3,634,771

3.70 81.44788 16,836

0.02

788 16,83621

0 00

0 00

185,535 3,617,9353.68

91,739 1,788,904277 5,402

4,969 96,90327,293 532,220.66

5,616 109,51043,928 856,590.13

0 01,315 25,650

8,340 162,6280.000 0.00

93,796 1,829,03193,796 1,829,031

937,964 18,290,306

Rate 5%

Items 0 Year 1 Year 2CostCapital Cost KUS$ -223,387Operating Cost KUS$ 99,156 99,156

Net Flux before taxes KUS$ -223,387 99,156 99,156

Econnomical IndexNet Present Cost (NPC) MUS$ 1,672 IVAN -3.7IRR % 44%

Year 1 to 5; 75,000 tpd KUS$/yCapital Fixed Investment Value 175,896

Work Capital (18% VCF) 31,661

Starting procedure (9% VCF) 15,831

Total Investment 223,387

Year 6 to 22; 150,000 tpd KUS$/y

Capital Fixed Investment Value 351,791Work Capital (18% VCF) 63,322

Starting procedure (9% VCF) 31,661

Total Investment 446,775

KTPD KUS$75 175,896

150 351,791

Year 3 Year 4 Year 5 Year 6 Year 7 Year 8 Year 9

-223,38799,156 99,156 99,156 195,259 195,259 195,259 195,259

99,156 99,156 -124,231 195,259 195,259 195,259 195,259

Year 10 Year 11 Year 12 Year 13 Year 14 Year 15 Year 16

195,259 195,259 195,259 195,259 195,259 195,259 195,259

195,259 195,259 195,259 195,259 195,259 195,259 195,259

Year 17 Year 18 Year 19 Year 20 Year 21 Year 22

195,259 195,259 195,259 195,259 195,259 195,259

195,259 195,259 195,259 195,259 195,259 195,259

document.xlsxfile:///tt/file_convert/5695d0331a28ab9b02916c7b/document.xlsx Page 15 of 33

MINERA BARRICK - ZALDIVAREstudio de Perfil Planta Concentradora Zaldivar

TRADE OFF - TECNOLOGIA MOLIENDA

DIRECT COST (US$)

SUMMARY (SAG)Facility / Commodity Quantity Unit Total (US$)

Earthworks 102,710 M3 728,837Concrete 14,720 M3 22,296,384Structural Steel 1,850 t 9,468,300Architectural 3,340 M2 333,332Mecanica EA 112,808,730Piping lot 8,447,256Electrical lot 12,027,473Instrumentation lot 9,785,271TOTAL DIRECT COST 175,895,583

TOTAL DIRECT COST 175,895,583

NOTE: Excluded the Indirect Cost, i.e.: EPCM, Initial Fills, Vendor Representatives, Owner Cost, Contingency, Escalation, and other costs.

Labor Cost US$/yGerencia 220,000Superintendente 160,000Supervisor 67,000

Operador 25,000 PHASE ICuadrilla 15,000

GerenciaAREAS QtyAdministración Planta Total 0- Gerencia- SecretariaOperación Total 0- Superintendente de Operaciones- Supervisor Operaciones- Operador Chancado- Operador Molienda- Operador Flotación Colectiva- Operador Flotación Selectiva- Operador Planta de Filtros- Operador Aire de Servicio- Operación Distribución de Agua- Operador Espesadores Relaves y Agua Recuperada- Operador de Cal y Reactivos- Cuadrilla Molienda- Cuadrilla Flotación Colectiva- Cuadrilla Flotación Selectiva- Cuadrilla Filtros- Cuadrilla Cal y Reactivos- Cuadrilla Espesadores RelavesMantención Total 0- Superintendente de Mantención- Supervisor Operaciones Mantenimiento- Supervisor Mecánico/Civil- Programación Mantenimiento- Supervisor Eléctrico- Supervisor Instrumentación- Operador Mantenimiento Mecánico- Operador Mantenimiento Eléctrico- Operador Mantenimiento Instrumentación- Cuadrilla Mecánica- Cuadrilla Eléctrica- Cuadrilla InstrumentaciónLaboratorio Total 0- Superintendente Laboratorio Químico- Supervisor Laboratorio- Analista Químico- Cuadrilla Técnicos Laboratorio- Cuadrilla ServiciosMetalurgia Total 0- Superintendente Metalurgia- Supervisor Metalurgista- Ingeniero Plan Producción / Estadística- Ayudante Laboratorio- Cuadrilla MuestreoSeguridad Planta Total 0- Supervisor Seguridad Planta

- Coordinador de Seguridad- Inspector de Seguridad

SABCPhase I Phase II

Staff n° n°AdministrationManager 0 0Secretary Supervisor 0 0Total 0 0

OperatingOperations Superintendent 1 1Operations Supervisor 4 4Crushing & Grinding Operator 8 12Grinding Crew 4 4Total 17 21

MaintenanceMaintenance Superintendent 3 3Maintenance Supervisor 16 16Maintenance Operator 24 30Maintenance Crew 24 24Total 67 73

LaboratoryLaboratory Superintendent 0 0Laboratory Supervisor 0 0Laboratory Operator 0 0Laboratory Crew 0 0Total 0 0

MetallurgyMetallurgy Superintendent 0 0Metallurgy Supervisor 0 0Metallrgy Operator 0 0Metallurgy Crew 0 0Total 0 0

Plant SafetySafety Supervisor 0 0Safety Operator 0 0Safety Crew 0 0Total 0 0

Total Staff (US$/y) 84 94

Labor Cost US$/yManagement 220,000Superintendent 160,000Supervisor 67,000Operator 25,000Crew 15,000

PHASE IGerencia Superintendente Supervisor OperadorTurno Costo US$ Qty Turno Costo US$ Qty Turno Costo US$ Qty

0 0 0 0 0 00 0 0 0 0 0- 0 - 0 - 0

0 1 160,000 4 268,000 80 0 1 5x2 160,000 0 00 0 0 0 4 4x3 268,0000 0 0 0 0 0 40 0 0 0 0 0 40 0 0 0 0 00 0 0 0 0 00 0 0 0 0 00 0 0 0 0 00 0 0 0 0 00 0 0 0 0 00 0 0 0 0 00 0 0 0 0 00 0 0 0 0 00 0 0 0 0 00 0 0 0 0 00 0 0 0 0 00 0 0 0 0 0

0 3 480,000 16 1,072,000 240 0 1 5x2 160,000 0 00 0 0 0 4 4x3 268,0000 0 0 0 4 4x3 268,0000 0 2 5x2 320,000 0 00 0 0 0 4 4x3 268,0000 0 0 0 4 4x3 268,0000 0 0 0 0 0 80 0 0 0 0 0 80 0 0 0 0 0 80 0 0 0 0 00 0 0 0 0 00 0 0 0 0 0

0 0 0 0 0 00 0 0 0 0 00 0 0 0 0 00 0 0 0 0 00 0 0 0 0 00 0 0 0 0 0

0 0 0 0 0 00 0 0 0 0 00 0 0 0 0 00 0 0 0 0 00 0 0 0 0 00 0 0 0 0 0

0 0 0 0 0 00 0 0 0 0 0

0 0 0 0 0 00 0 0 0 0 0

SABCPhase I Phase II Ph II - Ph IUS$/y US$/y US$/y

0 0 00 0 00 0 0

160,000 160,000 0268,000 268,000 0200,000 300,000 100,00060,000 60,000 0

688,000 788,000 100,000

480,000 480,000 01,072,000 1,072,000 0600,000 750,000 150,000360,000 360,000 0

2,512,000 2,662,000 150,000

0 0 00 0 00 0 00 0 00 0 0

0 0 00 0 00 0 00 0 00 0 0

0 0 00 0 00 0 00 0 0

3,200,000 3,450,000 250,000

PHASE I PHASE IIOperador Cuadrilla Total Costo GerenciaTurno Costo US$ Qty Turno Costo US$ Qty

0 0 0 0 0 00 0 0 0 0 0- 0 - 0 0 0

200,000 4 60,000 17 688,000 00 0 0 0 1 160,0000 0 0 0 4 268,000

4x3 100,000 0 0 4 100,0004x3 100,000 0 0 4 100,000

0 0 0 0 0 00 0 0 0 0 00 0 0 0 0 00 0 0 0 0 00 0 0 0 0 00 0 0 0 0 00 0 0 0 0 00 0 4 4x3 60,000 4 60,0000 0 0 0 0 00 0 0 0 0 00 0 0 0 0 00 0 0 0 0 00 0 0 0 0 0

600,000 24 360,000 67 2,512,000 00 0 0 0 1 160,0000 0 0 0 4 268,0000 0 0 0 4 268,0000 0 0 0 2 320,0000 0 0 0 4 268,0000 0 0 0 4 268,000

4x3 200,000 0 0 8 200,0004x3 200,000 0 0 8 200,0004x3 200,000 0 0 8 200,000

0 0 8 4x3 120,000 8 120,0000 0 8 4x3 120,000 8 120,0000 0 8 4x3 120,000 8 120,000

0 0 0 0 0 00 0 0 0 0 00 0 0 0 0 00 0 0 0 0 00 0 0 0 0 00 0 0 0 0 0

0 0 0 0 0 00 0 0 0 0 00 0 0 0 0 00 0 0 0 0 00 0 0 0 0 00 0 0 0 0 0

0 0 0 0 0 00 0 0 0 0 0

0 0 0 0 0 00 0 0 0 0 0

PHASE IIGerencia Superintendente Supervisor Operador

Turno Costo US$ Qty Turno Costo US$ Qty Turno Costo US$ Qty Turno0 0 0 0 0 0

0 0 0 0 0 0 0- 0 - 0 - 0 -

0 1 160,000 4 268,000 120 0 1 5x2 160,000 0 0 00 0 0 0 4 4x3 268,000 00 0 0 0 0 0 6 4x30 0 0 0 0 0 6 4x30 0 0 0 0 0 00 0 0 0 0 0 00 0 0 0 0 0 00 0 0 0 0 0 00 0 0 0 0 0 00 0 0 0 0 0 00 0 0 0 0 0 00 0 0 0 0 0 00 0 0 0 0 0 00 0 0 0 0 0 00 0 0 0 0 0 00 0 0 0 0 0 00 0 0 0 0 0 0

0 3 480,000 16 1,072,000 300 0 1 5x2 160,000 0 0 00 0 0 0 4 4x3 268,000 00 0 0 0 4 4x3 268,000 00 0 2 5x2 320,000 0 0 00 0 0 0 4 4x3 268,000 00 0 0 0 4 4x3 268,000 00 0 0 0 0 0 10 4x30 0 0 0 0 0 10 4x30 0 0 0 0 0 10 4x30 0 0 0 0 0 00 0 0 0 0 0 00 0 0 0 0 0 0

0 0 0 0 0 00 0 0 0 0 0 00 0 0 0 0 0 00 0 0 0 0 0 00 0 0 0 0 0 00 0 0 0 0 0 0

0 0 0 0 0 00 0 0 0 0 0 00 0 0 0 0 0 00 0 0 0 0 0 00 0 0 0 0 0 00 0 0 0 0 0 0

0 0 0 0 0 00 0 0 0 0 0 0

0 0 0 0 0 0 00 0 0 0 0 0 0

PHASE IIOperador Cuadrilla Total Costo

Costo US$ Qty Turno Costo US$0 0 0 0 00 0 0 0 00 - 0 0 0

300,000 4 60,000 21 788,0000 0 0 1 160,0000 0 0 4 268,000

150,000 0 0 6 150,000150,000 0 0 6 150,000

0 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 4 4x3 60,000 4 60,0000 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 0

750,000 24 360,000 73 2,662,0000 0 0 1 160,0000 0 0 4 268,0000 0 0 4 268,0000 0 0 2 320,0000 0 0 4 268,0000 0 0 4 268,000

250,000 0 0 10 250,000250,000 0 0 10 250,000250,000 0 0 10 250,000

0 8 4x3 120,000 8 120,0000 8 4x3 120,000 8 120,0000 8 4x3 120,000 8 120,0000 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 0

0 0 0 0 00 0 0 0 0

Servicios

Página 26 de 33

Service

ITEM CostComunication & Computer 0.03 US$/t oreGeneral and Security 200 US$/man/yPersonal safety Administracion 0.53 KUS$/man/yPersonal safety mantenimiento 0.70 KUS$/man/yContingencia 10%Catering 1,100 US$/man/y

Materiales

Página 27 de 33

Operation Consumables for Zaldivar Project

Item CriteriaConsumption Price Unit Price

Primary CrusherLiners & Concaves

Secondary CrusherLiners & Concaves

kWh/ton min kg/kWh Pebbles Crusher0.432 0.015 Liners & Concaves 6.5 g steel/t milled 4.0 US$/kg steel 0.026 US$/t milled

GrindingLubricants 0.01 US$/t milled

6.480 0.0075 SAG Mill Liners 48.6 g steel/t milled 2.0 US$/kg steel 0.099 US$/t milled8.928 0.0056 Ball Mill Liners 50.0 g steel/t milled 2.2 US$/kg steel 0.111 US$/t milled6.480 0.0565 SAG Mills Ball, 5" 366.1 g steel/t milled 1.5 US$/kg steel 0.542 US$/t milled8.928 0.0735 Ball Mill Balls, 3" 656.2 g steel/t milled 1.3 US$/kg steel 0.872 US$/t milled

Cu-Mo FlotationCollector 1Frother 1Cal (Limestone Cost)Regrinding Media (Ball 1.5")

Mo FlotationNASHFrother 1

ThickeningFloculant - ConcentrateFloculant - Tailings

FiltrationCloths

SafetyPersonal Safety 0.7 US$/man/year

LISTADO EQUIPOS PRINCIPALES TamañoTAG Cantidad Descripción kW/un Ton/un Observación Operando

AREA MOLIENDA SAG (ALTERNATIVA SAG)3 Alimentadores Descarga Stock Pile 90 31 Molino SAG 40´x22´ 22,500 12 Molino Bolas 24´x38´ 15,500 22 Harnero Pebble 110 12 Chancadores Pebble, HP1000 750 22 Baterías de Ciclones 22 Bombas Alimentación Molienda 2,500 22 Correa Alim. pebbles 217 22 Alimentadores pebbles 45 21 Corres descarga pebbles 110 11 Puente Grua Molinos 135 11 Puente Grua Bateria Ciclones, 5t 15 11 Puente Grua Pebble, 60t 100 11 Cargador Frontal, área molienda 11 Correa Alimentación SAG, 315 11 Maquina Enlainadora 1

Contingencia 5%

sag 61,579 0.9 CONSUMO ELECTRICOStand by Power Op Utilización FP kWh/día Kwh/ton min

100% 61,579 1,396,612 18.621 Kwh/ton min 18.6210 270 1 5,832 0.0780 22,500 1 486,000 6.4800 31,000 1 669,600 8.9281 110 1 2,376 0.0320 1,500 1 32,400 0.4320 0 0 0.0000 5,000 1 108,000 1.4400 434 1 9,374 0.1250 90 1 1,944 0.0260 110 1 2,376 0.0320 135 1 2,916 0.0390 15 1 324 0.0040 100 1 2,160 0.0290 0 1 0 0.0000 315 1 6,804 0.0910 0 1 0 0.000

66,505 0.887

Mineral 75,000 ton/día

LISTADO EQUIPOS PRINCIPALES TamañoTAG Cantidad Descripción kW/un Ton/un Observación Operando

AREA MOLIENDA SAG (ALTERNATIVA SAG)6 Alimentadores Descarga Stock Pile 90 62 Molino SAG 40´x22´ 22,500 24 Molino Bolas 24´x38´ 15,500 44 Harnero Pebble 110 24 Chancadores Pebble, HP1000 750 44 Baterías de Ciclones 44 Bombas Alimentación Molienda 2,500 44 Correa Alim. pebbles 217 44 Alimentadores pebbles 45 42 Corres descarga pebbles 110 22 Puente Grua Molinos 135 22 Puente Grua Bateria Ciclones, 5t 15 22 Puente Grua Pebble, 60t 100 21 Cargador Frontal, área molienda 12 Correa Alimentación SAG, 315 21 Maquina Enlainadora 1

Contingencia 5%

sag 123,158 0.9 CONSUMO ELECTRICOStand by Power Op Utilización FP kWh/día Kwh/ton min

100% 123,158 2,793,223 18.621 Kwh/ton min0 540 1 11,664 0.0780 45,000 1 972,000 6.4800 62,000 1 1,339,200 8.9282 220 1 4,752 0.0320 3,000 1 64,800 0.4320 0 0 0.0000 10,000 1 216,000 1.4400 868 1 18,749 0.1250 180 1 3,888 0.0260 220 1 4,752 0.0320 270 1 5,832 0.0390 30 1 648 0.0040 200 1 4,320 0.0290 0 1 0 0.0000 630 1 13,608 0.0910 0 1 0 0.000

133,011 0.887

18.621 Mineral 150,000 ton/día