Dubal is the largest smelter by capacity in the Middle East region and the second oldest. It has gone through numerous expansion phases since construction in 1979. Dubal sits in the lowest quartile of the cost curve but is nevertheless the region's highest cost smelter on an ingot basis. 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.