The Gold Ridge property comprises four open pit, low sulphidation epithermal, gold deposits (Valehaichichi, Namachamata, Kupers and Dawsons), located on the island of Guadalcanal, 40km from the capital city of Honiara. Mill capacity is 2.5 million tonnes per annum and utilises a Carbon in Leach (CIL) process. The mine is 100% owned by St Barbara following its merger with Allied Gold in 2012. 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.