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

  • Ag
  • Au
  • Cu
  • Sb
2016

Total Company Mineral Reserves

Category Ag
(cont. koz)
Au
(cont. koz)
Sb
(cont. kt)
Proven Reserves 931 55 6.4
Probable Reserves 7,932 720 11.1
Proven and Probable Reserves 8,864 774 17.5

Total Company Mineral Resources
Inclusive of Mineral Reserves

Category Ag
(cont. koz)
Au
(cont. koz)
Sb
(cont. kt)
Cu
(cont. klb)
Measured Resources 1,189 96 11.4
Indicated Resources 40,466 1,190 20.6 459,000
Measured and Indicated Resources 41,655 1,286 32.0 459,000
Inferred Resources 10,492 407 9.2 13,000

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

Cerro Bayo 2016 Year-end

  • Ag
  • Au
2016 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 103 282 931  1.91  6
Probable Reserves 876 282 7,932  2.33  66
Proven and Probable Reserves   979 282 8,864  2.29 72

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 105 352 1,189 2.47  8
Indicated Resources 915 349 10,266 3.05 90
Measured and Indicated Resources 1,020 349 11,455 2.99 98
Inferred Resources 543 206 3,592 2.49 43

Costerfield 2016 Year-end

  • Au
  • Sb
2016 Year-end

Costerfield Mineral Reserves

Category Ore
(kt)
Sb Grade
(%)
Sb.
(cont. kt)
Au Grade
(g/t)
Au
(cont. koz)
Proven Reserves 184 3.5 6.4 8.1 48
Probable Reserves 434 2.6 11.1 5.7 80
Proven and Probable Reserves 619 2.8 17.5 6.5 128

Costerfield Mineral Resources Inclusive of Mineral Reserves

Category Resource
(kt)
Sb Grade
(%)
Sb
(cont. kt)
Au Grade
(g/t)
Au
(cont. koz)
Measured Resources 286 4.0 11.4 9.5 88
Indicated Resources 812 2.5 20.6 5.9 155
Measured and Indicated Resources 1,098 2.9 32.0 6.9 242
Inferred Resources 800 1.1 9.2 6.0 155

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 4,534  1.36 198
Proven and Probable Reserves    4,534  1.36 198

Björkdal Underground Mineral Reserves

Category Ore
(kt)
Au Grade
(g/t)
Au
(cont. koz)
Proven Reserves
Probable Reserves 4,136 2.52 335
Proven and Probable Reserves    4,136 2.52 335

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 10,600 1.68 574
Proven and Probable Reserves    10,600 1.68 574

 

Björkdal Open-pit Mineral Resources Inclusive of Mineral Reserves

Category Resource
(kt)
Au Grade
(g/t)
Au
(cont. koz)
Measured Resources
Indicated Resources 4,161 2.00 268
Measured and Indicated Resources 4,161 2.00 268
Inferred Resources 2,577 1.19 99

Björkdal Underground Mineral Resources Inclusive of Mineral Reserves

Category Resource
(kt)
Au Grade
(g/t)
Au
(cont. koz)
Measured Resources
Indicated Resources 5,583 3.28 589
Measured and Indicated Resources 5,583 3.28 589
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 11,673 2.39 898
Measured and Indicated Resources 11,673 2.39 898
Inferred Resources 3,497 1.72 193

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