Exhibit 99.8
TO:
| Alberta Securities Commission |
| British Columbia Securities Commission |
| Manitoba Securities Commission |
| Ontario Securities Commission |
| Autorité des marchés financiers |
| New Brunswick Securities Commission |
| Northwest Territories Registrar of Securities |
| Nova Scotia Securities Commission |
| Nunavut Registrar of Securities |
| Prince Edward Island Securities Office |
| Saskatchewan Financial Services Commission |
| Securities Commission of Newfoundland and Labrador |
| Yukon Registrar of Securitie |
Consent of Qualified Person
I,Tim Williamsof Rio Alto Mining Limited, do hereby consent to the filing of the technical report entitled “La Arena Project, Peru, Technical Report (NI43-101)”, dated February 27, 2015 with an effective date of December 31, 2014, (the "Technical Report") with the securities regulatory authorities referred to above and with SEDAR (System for Electronic Document Analysis and Retrieval) as well as to extracts from and summaries of the Technical Report.
I confirm that I have read the Technical Report and the disclosure derived from the Technical Report included in the news release of Rio Alto Mining Limited dated February 5, 2015 entitled “La Arena Gold Oxide Reserves Increased to 1.28mm Oz At Au Price of $1,200 Completion of the Pre-Feasibility Study for the Phase II Sulphide Cu-Au Project” and also confirm that such disclosure fairly and accurately represents the information in the Technical Report that supports the disclosure.
Dated 3rdday of March, 2015.
| [signed] | |
| Tim Williams, FAusIMM | |
| Vice President Operations | |
| Rio Alto Mining Limited |