Alcoa Corporation's common stock has a par value of $0.01 per share. Alcoa Corporation's principal executive office is located in Pittsburgh, Pennsylvania. See additional details within each business segment discussion below. Rio Tinto owns the remaining 25.05% interest in the joint venture. The remaining ownership interests are held by unrelated third parties. Annual production tonnage is reported based on AWAC's 22.95% share. The declared reserves are located in the South Zone of the Az Zabirah Bauxite Deposit. Mine locations are accessed by road. Expires in 2024, with option to renew. Electrical energy from natural gas is supplied by the refinery. Alcoa Mining licenses fromthe Government of Brazil and Minas Gerais. Mining offices and services are located at the refinery. Ore is transported from the mine site to the port by company owned rail. The deposits are covered by the Belterra clays. Mine and port facilities are operating. We expect to complete the process of moving the Juruti mining operations in 2022. The mine and port areas are connected by sealed road and company owned rail. Washed ore is transported to Porto Trombetas by rail. Closest town to the port is Kamsar. Ore is transported to the port at Kamsar by rail. As a result, the Company suspended its plans to curtail the San Ciprián smelter. The aluminum industry is highly competitive. We aspire to work safely, all the time, everywhere. Mr. Heeter joined ParentCo in 1998. Each of the above three components has its own drivers of variability. It is unclear whether the current administration will continue with these policies. We face significant competition, which may have an adverse effect on profitability. See Business—Competition.