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Subsidiaries (Tables)
12 Months Ended
Jun. 30, 2025
Subsidiaries [Abstract]  
Subsidiaries
The subsidiaries of the Group at the reporting date are as follows:

         
Ownership interest
 
Subsidiaries
Country of
incorporation
Principal activity
 
2025
%
   
2024
%
   
2023
%
 
9474-9454 Québec Inc.
Canada
Exploration
   
100
     
100
     
100
 
North American Lithium Inc. (1)
Canada
Lithium mining and processing
   
75
     
75
     
75
 
Sayona East Kimberley Pty Ltd
Australia
Exploration
   
100
     
100
     
100
 
Sayona Inc.
Canada
Administrative services
   
100
     
100
     
100
 
Sayona International Pty Ltd
Australia
Investment holding company
   
100
     
100
     
100
 
Sayona Lithium Pty Ltd
Australia
Exploration
   
100
     
100
     
100
 
Sayona North Inc.
Canada
Exploration
   
100
     
100
     
100
 
Sayona Québec Inc. (1)
Canada
Investment holding company
   
75
     
75
     
75
 
Shock MergeCo Inc. (2)
United States
Investment holding company
   
100
     
     
 
 
(1)
Non-controlling ownership interest of 25 per cent is held by Piedmont Lithium Québec Holdings Inc.
(2)
Shock MergeCo Inc. was incorporated on 14 November 2024.