El Castillo is a conventional open pit operation utilising drill, blast, load and haul mining methods. Ore is crushed and heap leached and gold is recovered in a carbon-in-column (CIC) circuit. Operations are expected to continue until 2023 with the addition of the San Agustin extension deposit. Wood Mackenzie’s asset reports are built from the bottom up, incorporating a number of granular data metrics to ultimately produce our industry standard cash operating costs. This report contains a detailed asset note giving you a holistic view of the asset, including an operational overview through to a timeline of events from inception to now. This qualitative analysis is supplemented by the associated Excel download which enables interrogation of a whole series of cost and production metrics over the life of the asset.