EX-99.3 4 ex03d11mrboyne2.htm EX-99.3 ex03d11mrBoyne2
EXHIBIT 99.3
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Media Release
Rio Tinto to acquire Mitsubishi’s 11.65% stake in Boyne
aluminium smelter
11 June 2024
Rio Tinto has agreed to acquire Mitsubishi Corporation’s 11.65% interest in Boyne Smelters Ltd (BSL),
which owns and operates the Boyne Island aluminium smelter in Gladstone, Australia.
On completion of this transaction, and the recent agreement to acquire Sumitomo Chemical
Company’s 2.46% interest in BSL, Rio Tinto’s interest in BSL will increase to 73.5%.
The acquisition, which is for an undisclosed price, is subject to various conditions precedent, including
approval from Australia’s Foreign Investment Review Board, and is expected to be finalised in the
second half of 2024.
Rio Tinto looks forward to continuing to work with its remaining BSL joint venture partners and other
stakeholders on securing a competitive low-carbon future for its Gladstone operations.
After completion of the two transactions, the BSL joint venture partners will be: Rio Tinto (73.5%), YKK
Aluminium (9.50%), UACJ Australia (9.29%) and Southern Cross Aluminium (7.71%).
Contacts 
Please direct all enquiries to media.enquiries@riotinto.com 
  
  
  
Media Relations,  
United Kingdom 
  
Matthew Klar 
M +44 7796 630 637 
  
David Outhwaite 
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Media Relations,  
Australia 
  
Matt Chambers 
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Jesse Riseborough 
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Michelle Lee 
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Media Relations,  
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Simon Letendre 
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Malika Cherry 
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Vanessa Damha  
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Investor Relations,  
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David Ovington 
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Laura Brooks  
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Wei Wei Hu  
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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 
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