Reserves & Resources 2015 Year-End

  • Ag
  • Au
  • Cu
  • Sb
2015

Total Company Mineral Reserves

Category Ag
(cont. koz)
Au
(cont. koz)
Sb
(cont. kt)
Proven Reserves 835 57 5.5
Probable Reserves 14,041 648 13.4
Proven and Probable Reserves 14,876 705 18.9

Total Company Mineral Resources
Inclusive of Mineral Reserves

Category Ag
(cont. koz)
Au
(cont. koz)
Sb
(cont. kt)
Cu
(cont. klb)
Measured Resources 1,065 106 11.0
Indicated Resources 47,411 1,013 27.0 459,000
Measured and Indicated Resources 48,476 1,119 38.0 459,000
Inferred Resources 9,884 215 9.7 13,000

Click here for complete notes to the Company’s Mineral Resource and Reserve estimates.

Cerro Bayo 2015 Year-end

  • Ag
  • Au
2015 Year-end

Cerro Bayo Mineral Reserves

Category Ore
(kt)
Ag Grade
(g/t)
Ag
(cont. koz)
Au Grade
(g/t)
Au
(cont. koz)
Proven Reserves 133 195 835  1.98  9
Probable Reserves 1,903 230 14,041  2.18  133
Proven and Probable Reserves   2,036 227 14,876  2.16 142

Cerro Bayo Mineral Resources
Inclusive of Mineral Reserves

Category Resource
(kt)
Ag Grade
(g/t)
Ag
(cont. koz)
Au Grade
(g/t)
Au
(cont. koz)
Measured Resources 132 250 1,065 2.46  10
Indicated Resources 1,699 315 17,211 3.16 173
Measured and Indicated Resources 1,832 310 18,276 3.11 183
Inferred Resources 511 181 2,984 2.32 38

Costerfield 2015 Year-end

  • Au
  • Sb
2015 Year-end

Costerfield Mineral Reserves

Category Ore
(kt)
Sb Grade
(%)
Sb.
(cont. kt)
Au Grade
(g/t)
Au
(cont. koz)
Proven Reserves 125 4.4 5.5 12.0 48
Probable Reserves 366 3.7 13.4 8.2 97
Proven and Probable Reserves 491 3.9 18.9 9.2 145

Costerfield Mineral Resources Inclusive of Mineral Reserves

Category Resource
(kt)
Sb Grade
(%)
Sb
(cont. kt)
Au Grade
(g/t)
Au
(cont. koz)
Measured Resources 247 4.6 11.0 12.1 96
Indicated Resources 798 3.4 27.0 7.6 194
Measured and Indicated Resources 1,045 3.7 38.5 8.6 290
Inferred Resources 491 2.0 9.7 4.3 68

Björkdal 2015 Year-end

  • Au
2015 Year-end

Björkdal Open-pit Mineral Reserves

Category Ore
(kt)
Au Grade
(g/t)
Au
(cont. koz)
Proven Reserves
Probable Reserves 2,740  1.27 112
Proven and Probable Reserves    2,740  1.27 112

Björkdal Underground Mineral Reserves

Category Ore
(kt)
Au Grade
(g/t)
Au
(cont. koz)
Proven Reserves
Probable Reserves 2,995 2.91 281
Proven and Probable Reserves    2,995 2.91 281

Björkdal Stockpile Mineral Reserves

Category Ore
(kt)
Au Grade
(g/t)
Au
(cont. koz)
Proven Reserves
Probable Reserves 1,277 0.6 25
Proven and Probable Reserves    1,277 0.6 25

 

Björkdal Total Mineral Reserves

Category Ore
(kt)
Au Grade
(g/t)
Au
(cont. koz)
Proven Reserves
Probable Reserves 7,012 1.85 418
Proven and Probable Reserves    7,012 1.85 418

 

Björkdal Open-pit Mineral Resources Inclusive of Mineral Reserves

Category Resource
(kt)
Au Grade
(g/t)
Au
(cont. koz)
Measured Resources
Indicated Resources 2,822 1.56 142
Measured and Indicated Resources 2,822 1.56 142
Inferred Resources 1,118 1.37 49

Björkdal Underground Mineral Resources Inclusive of Mineral Reserves

Category Resource
(kt)
Au Grade
(g/t)
Au
(cont. koz)
Measured Resources
Indicated Resources 3,425 3.91 431
Measured and Indicated Resources 3,425 3.91 431
Inferred Resources 434 3.18 44

Björkdal Stockpile Mineral Resources Inclusive of Mineral Reserves

Category Resource
(kt)
Au Grade
(g/t)
Au
(cont. koz)
Measured Resources
Indicated Resources 1,277 0.6 25
Measured and Indicated Resources 1,277 0.6 25
Inferred Resources

Björkdal Total Mineral Resources Inclusive of Mineral Reserves

Category Resource
(kt)
Au Grade
(g/t)
Au
(cont. koz)
Measured Resources
Indicated Resources 7,524 2.47 598
Measured and Indicated Resources 7,524 2.47 598
Inferred Resources 1,552 1.86 93,000

Challacollo 2014 Year-end

  • Ag
  • Au
2014 Year-end

Challacollo Mineral Resources

Category Resource
(kt)
Ag Grade
(g/t)
Au Grade
(g/t)
Ag
(cont. koz)
Au
(cont. koz)
Measured Resources
Indicated Resources 4,700 200 0.32 30,200 48
Measured and Indicated Resources 4,700 200 0.32 30,200 48
Inferred Resources 1,600 134 0.31 6,900 16

La Quebrada 2012 Mid-year

  • Ag
  • Cu
2012 Mid-year

La Quebrada Mineral Resources

Category Resource
(t)
Cu Grade
(%)
Cu
(cont. lb)
Ag Grade
(g/t)
Ag
(cont. oz)
Measured Resources
Indicated Resources 34,800,000 0.6% 459,000,000 10 11,200,000
Measured and Indicated Resources 34,800,000 0.6% 459,000,000 10 11,200,000
Inferred Resources 1,000,000 0.6% 13,000,000 11 400,000