Rio Tinto completes acquisition of Sumitomo's 20.64% stake in New Zealand's aluminium smelter
1. Rio Tinto completed SCC's acquisition of 20.64% interest in NZAS. 2. NZAS is now wholly owned by Rio Tinto, enhancing operational control. 3. Rio Tinto also acquired a 2.46% stake in Boyne Smelters Limited. 4. These acquisitions reinforce Rio Tinto's commitment to New Zealand's aluminum sector. 5. Electricity arrangements secured for Tiwai Point smelter future.