Reserves & Resources 2016 Bjorkdal as at Sept. 30, 2016, all others as at Dec. 31, 2015

  • Ag
  • Au
  • Cu
  • Sb
2016

Total Company Mineral Reserves

Category Ag
(cont. koz)
Au
(cont. koz)
Sb
(cont. kt)
Proven Reserves 835 57 5.5
Probable Reserves 14,041 816 13.4
Proven and Probable Reserves 14,876 873 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 1,278 27.0 459,000
Measured and Indicated Resources 48,476 1,384 38.0 459,000
Inferred Resources 9,884 318 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 2016 September 30

  • Au
2016 September 30

Björkdal Open-pit Mineral Reserves

Category Ore
(kt)
Au Grade
(g/t)
Au
(cont. koz)
Proven Reserves
Probable Reserves 4,592  1.36 201
Proven and Probable Reserves    4,592  1.36 201

Björkdal Underground Mineral Reserves

Category Ore
(kt)
Au Grade
(g/t)
Au
(cont. koz)
Proven Reserves
Probable Reserves 4,256 2.52 345
Proven and Probable Reserves    4,256 2.52 345

Björkdal Stockpile Mineral Reserves

Category Ore
(kt)
Au Grade
(g/t)
Au
(cont. koz)
Proven Reserves
Probable Reserves 1,929 0.65 40
Proven and Probable Reserves    1,929 0.65 40

 

Björkdal Total Mineral Reserves

Category Ore
(kt)
Au Grade
(g/t)
Au
(cont. koz)
Proven Reserves
Probable Reserves 10,778 1.69 586
Proven and Probable Reserves    10,778 1.69 586

 

Björkdal Open-pit Mineral Resources Inclusive of Mineral Reserves

Category Resource
(kt)
Au Grade
(g/t)
Au
(cont. koz)
Measured Resources
Indicated Resources 4,258 1.99 273
Measured and Indicated Resources 4,258 1.99 273
Inferred Resources 2,643 1.19 101

Björkdal Underground Mineral Resources Inclusive of Mineral Reserves

Category Resource
(kt)
Au Grade
(g/t)
Au
(cont. koz)
Measured Resources
Indicated Resources 5,643 3.29 597
Measured and Indicated Resources 5,643 3.29 597
Inferred Resources 920 3.20 95

Björkdal Stockpile Mineral Resources Inclusive of Mineral Reserves

Category Resource
(kt)
Au Grade
(g/t)
Au
(cont. koz)
Measured Resources
Indicated Resources 1,929 0.65 40
Measured and Indicated Resources 1,929 0.65 40
Inferred Resources

Björkdal Total Mineral Resources Inclusive of Mineral Reserves

Category Resource
(kt)
Au Grade
(g/t)
Au
(cont. koz)
Measured Resources
Indicated Resources 11,829 2.39 911
Measured and Indicated Resources 11,829 2.39 911
Inferred Resources 3,564 1.71 196

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