-

Rio Tinto completes acquisition of Sumitomo’s 20.64% stake in New Zealand’s aluminium smelter

MELBOURNE, Australia--(BUSINESS WIRE)--Rio Tinto’s previously announced acquisition of Sumitomo Chemical Company’s (SCC’s) 20.64% interest in New Zealand Aluminium Smelters (NZAS) was completed on 1 November 2024. NZAS owns and operates the Tiwai Point aluminium smelter in New Zealand.

Following completion of the transaction, NZAS is now wholly owned by Rio Tinto.

Rio Tinto Aluminium Pacific Operations Managing Director Armando Torres said: “We are pleased the acquisition of SCC's stake in NZAS has now been finalised. This step, along with recently signed electricity arrangements to secure the future of the Tiwai Point smelter, reinforces our long-term commitment to New Zealand.”

Rio Tinto has also completed the previously announced acquisition of SCC’s 2.46% stake in Boyne Smelters Limited (BSL). The completion of this transaction, along with the recently completed acquisition of Mitsubishi’s 11.65% stake in BSL, brings Rio Tinto’s total interest in BSL to 73.5%.

The acquisition of SCC’s stakes in NZAS and BSL was for an undisclosed price.

Contacts

Please direct all enquiries to media.enquiries@riotinto.com

Media Relations, United Kingdom
Matthew Klar
M +44 7796 630 637
David Outhwaite
M +44 7787 597 493

Media Relations, Australia
Matt Chambers
M +61 433 525 739
Michelle Lee
M +61 458 609 322
Rachel Pupazzoni
M +61 438 875 469

Media Relations, Canada
Simon Letendre
M +1 514 796 4973
Malika Cherry
M +1 418 592 7293
Vanessa Damha
M +1 514 715 2152

Media Relations, US
Jesse Riseborough
M +1 202 394 9480

Investor Relations, United Kingdom
David Ovington
M +44 7920 010 978
Laura Brooks
M +44 7826 942 797
Wei Wei Hu
M +44 7825 907 230

Investor Relations, Australia
Tom Gallop
M +61 439 353 948
Amar Jambaa
M +61 472 865 948

Rio Tinto plc
6 St James’s Square
London SW1Y 4AD
United Kingdom
T +44 20 7781 2000
Registered in England
No. 719885

Rio Tinto Limited
Level 43, 120 Collins Street
Melbourne 3000
Australia
T +61 3 9283 3333
Registered in Australia
ABN 96 004 458 404

riotinto.com

Category: NZAS

Industry:

Rio Tinto

LSE:RIO
Release Versions
English

Contacts

Please direct all enquiries to media.enquiries@riotinto.com

Media Relations, United Kingdom
Matthew Klar
M +44 7796 630 637
David Outhwaite
M +44 7787 597 493

Media Relations, Australia
Matt Chambers
M +61 433 525 739
Michelle Lee
M +61 458 609 322
Rachel Pupazzoni
M +61 438 875 469

Media Relations, Canada
Simon Letendre
M +1 514 796 4973
Malika Cherry
M +1 418 592 7293
Vanessa Damha
M +1 514 715 2152

Media Relations, US
Jesse Riseborough
M +1 202 394 9480

Investor Relations, United Kingdom
David Ovington
M +44 7920 010 978
Laura Brooks
M +44 7826 942 797
Wei Wei Hu
M +44 7825 907 230

Investor Relations, Australia
Tom Gallop
M +61 439 353 948
Amar Jambaa
M +61 472 865 948

Rio Tinto plc
6 St James’s Square
London SW1Y 4AD
United Kingdom
T +44 20 7781 2000
Registered in England
No. 719885

Rio Tinto Limited
Level 43, 120 Collins Street
Melbourne 3000
Australia
T +61 3 9283 3333
Registered in Australia
ABN 96 004 458 404

riotinto.com

Category: NZAS

More News From Rio Tinto

Rio Tinto strengthens its global low-carbon aluminium footprint through joint acquisition with Chalco of Votorantim's interest in CBA

SÃO PAULO, Brazil--(BUSINESS WIRE)--Rio Tinto and Aluminum Corporation of China Limited (Chalco) have entered into a definitive agreement with Votorantim (the “Transaction Agreement”) to acquire, through a joint venture to be owned 33% by Rio Tinto and 67% by Chalco (the “Joint Venture”), Votorantim’s 68.596% controlling shareholding in Companhia Brasileira de Alumínio (CBA) (the “Transaction”). The Transaction, at an all cash consideration of R$10.50 per share in CBA, represents a premium of a...

Rio Tinto releases fourth quarter 2025 production results

MELBOURNE, Australia--(BUSINESS WIRE)--Rio Tinto Chief Executive Simon Trott said: “Our operations delivered exceptional production performance, both on a quarter-on-quarter and full year basis, as we leverage our strong foundation of operating excellence and project delivery across our portfolio. “We achieved record quarterly iron ore production in the Pilbara, with a strong recovery from the extreme weather interruptions earlier in the year. At Simandou, we celebrated the major milestone of f...

Rio Tinto expands solar power capacity at Kennecott

SALT LAKE CITY--(BUSINESS WIRE)--Rio Tinto has energized a new 25-megawatt solar plant at its Kennecott copper operations in Utah, showcasing a circular critical-minerals supply chain in which tellurium produced at the site is used to manufacture the panels now powering it. Together with the 5MW solar plant completed in 2023, Kennecott now has 30MW of solar capacity—enough to power approximately 1,026 average American homes annually and reduce Kennecott’s Scope 2 emissions by about 6% (20,000 t...
Back to Newsroom