Rio Tinto America Retirement Plan

Rio Tinto America Retirement Plan is a single-employer, noncontributory defined benefit corporate pension based in South Jordan, Utah. Established in 1999, the plan covers most salaried and non-union hourly employees in the United States who work for subsidiaries and affiliates of Rio Tinto, a multinational metals and mining company headquartered in the United Kingdom and Australia. The assets are managed by the executive management team.