Ore from Tsumeb West and Tschudi underground was treated at the Tsumeb concentrator. The Kombat mine and concentrator are included in this analysis up to mid-2007 when the mine was due to flooding. The development of an open pit SxEw project at Tschudi is analysed seperately. 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.