Reserves

Tonnage Kt Grade g/t Au Gold oz Au
Total Reserves: 2,111 1.42 96,286
Proven:533533 0.87 14,855
Probable: 1,578 1.61 81,431

Resources

Tonnage Kt Grade g/t Au Gold oz Au
Total M&I: 11,448 1.38 508,288
Inferred: 2,670 1.20 87,219
Measured: 1,9261.81 112,072
Indicated: 9,523 1.29 396,203

General Notes:

Totals may not be exact due to rounding
Mineral Reserves are completely within the stated Mineral Resources with mining factors applied.
Mineral Reserves are in situ as at May 31, 2018
Mineral Resources are current as at May 31, 2018

Qualified Person (QP) for respective reporting of Mineral Resources and Reserves is Miguel Fuentealba
Orosur Mining Inc (OMI)
Other QPs for Mineral Resources and Mineral Reserves not updated in the current fiscal year were: Devin den Boer (P.Geo) External consultant (Ex OMI employee); Francisco Castillo (Ex OMI employee); Walter Muehlebach (ex OMI employee); Mine Development Associates (MDA):
Steven Ristorcelli (C.P.Geo); and AMEC: John Barber, P.E.