Alcoa Corporation (Ticker: 0HCB.L), founded in 1888 and headquartered in Pittsburgh, Pennsylvania, operates as a leading vertically integrated producer in the upstream aluminum industry, encompassing bauxite mining, alumina refining, and primary aluminum smelting and casting; its core products and services include high-quality bauxite from seven active global mines (four operated by Alcoa), smelter-grade and non-metallurgical alumina from six refineries with 17 million metric tons annual capacity primarily in Australia, Brazil, and Spain, value-added aluminum cast products such as billet, foundry, rod, and slab, an extensive portfolio of low-carbon Sustana-branded aluminum products, and patented specialty alloys serving industries including aerospace, automotive, packaging, construction, and consumer goods, with more than 75% of smelting capacity powered by renewable energy sources. The company maintains operations across key regions such as Australia, Brazil, Spain, the United States, and other global locations, targeting smelters, third-party industrial customers, and end-markets demanding sustainable lightweight materials. Among its latest major developments, Alcoa completed the acquisition of Alumina Limited in 2024 for approximately $2.8 billion, solidifying its position as one of the world's largest alumina producers and enhancing production flexibility; in November 2025, it announced the full redemption of $141 million in 5.500% notes due 2027 using existing cash reserves, reflecting strong liquidity with $1.49 billion on hand as of September 2025; partnered with Ball Corporation and Unilever in November 2025 to deploy ELYSIS carbon-free smelting technology for the first time in personal and home care packaging; secured a long-term energy contract for its Massena operations with the New York Power Authority in October 2025; received governmental support in October 2025 for its gallium critical mineral project in Western Australia; and shelved bauxite exploration plans in Australia's Perth Hills in November 2025 following community input.