Inventory Accounting Policy
Material extracted from Barrick's mines is classified as either ore or waste. Ore represents material that, at the time of extraction, Barrick expects to process into a saleable form and sell at a profit. Raw materials are comprised of both ore in stockpiles and ore on leach pads as processing is required to extract benefit from the ore. Ore is accumulated in stockpiles that are subsequently processed into gold/copper in a saleable form. The recovery of gold and copper from certain oxide ores is achieved through the heap leaching process. Work in process represents gold/copper in the processing circuit that has not completed the production process, and is not yet in a saleable form. Finished goods inventory represents gold/copper in saleable form that has not yet been sold. Mine operating supplies represent commodity consumables and other raw materials used in the production process, as well as spare parts and other maintenance supplies that are not classified as capital items.
Inventories are valued at the lower of cost and net realizable value. Cost is determined on a weighted average basis and includes all costs incurred, based on a normal production capacity, in bringing each product to its present location and condition. Cost of inventories comprises direct labor, materials and contractor expenses, including non-capitalized stripping costs; depreciation on PP&E including capitalized stripping costs; and an allocation of mine site overhead costs. As ore is removed for processing, costs are removed based on the average cost per ounce/pound in the stockpile.
Barrick records provisions to reduce inventory to net realizable value to reflect changes in economic factors that impact inventory value and to reflect present intentions for the use of slow moving and obsolete supplies inventory. Net realizable value is determined with reference to relevant market prices less applicable variable selling expenses. Provisions recorded also reflect an estimate of the remaining costs of completion to bring the inventory into its saleable form. Provisions are also recorded to reduce mine operating supplies to net realizable value, which is generally calculated by reference to its salvage or scrap value, when it is determined that the supplies are obsolete. Provisions are reversed to reflect subsequent recoveries in net realizable value where the inventory is still on hand.
Source: Barrick Gold Corp., Annual Report
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