If you have any questions about Rio Alto Mining Limited or to request an investor package please contact us directly:

Email: info@rioaltomining.com

Investors:

Suite 1720, 505 Burrard Street
Vancouver, British Columbia
V7X 1J1
Tel: +1 604 628 1401628 1401

Shareholders:

Suite 810, 706 - 7 Avenue SW
Calgary, Alberta
T2P 0Z1
Tel: +1 403 236-5089

Peru Office
Calle Esquilache 371, oficina 140
San Isidro, Lima, Peru
27

Tel: +51 1 625 9900

Transfer Agent and Registrar

Information regarding change of address, stock transfer, registered shareholding or lost certificates should be directed to the Company's Registrar and Transfer Agent:

Olympia Trust Company
2300, 125 - 9th Avenue SE
Calgary, Alberta
T2G 0P6

Telephone: +1 403 261 0900
Toll free: 1 800 727 4493

Email: info@olympiatrust.com