Alcoa Corporation is an integrated aluminum producer operating across the full value chain—bauxite mining, alumina refining, and aluminum smelting and casting—at 25 locations across eight countries. The company produces smelter-grade and non-metallurgical alumina through refining bauxite ore, supplies approximately one-third of its alumina internally to its own smelters and the remainder to external customers, and manufactures primary aluminum ingots and value-added cast products for customers in transportation, construction, packaging, and industrial applications. Revenue comes primarily from commodity-based sales of alumina priced against published alumina indices and aluminum priced on the London Metal Exchange plus regional and product premiums, supplemented by revenue from internal hydroelectric and coal-fired power generation facilities that supply a portion of smelting energy needs.