Rio Tinto approaches Arcadium Lithium regarding potential acquisition

Rio Tinto has released initial Mineral Resources and Ore Reserves for seven lithium assets acquired through the Arcadium Lithium purchase.

Rio Tinto has announced several Board changes effective 23 October 2025, marking the end of its transitional phase.

Rio Tinto reported strong third quarter output, with back-to-back records in bauxite and Oyu Tolgoi and Pilbara shipments up 6% quarter on quarter. Full year guidance remains unchanged, with bauxite raised to 59–61 Mt, copper on track for the higher end supported by the Oyu Tolgoi ramp-up, and first ore from Simandou loaded for rail in October

Rio Tinto, Mitsui and Nippon Steel will invest $733 million to develop new deposits at the West Angelas hub in Western Australia, securing approvals to sustain 35Mtpa output.

Rio Tinto has named Iron Ore Chief Executive Simon Trott as its new Group CEO, effective 25 August 2025, succeeding Jakob Stausholm.