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Castile Resources (ASX: CST, OTCQB: CLRSF) is a Perth-based explorer and developer with projects in the Northern Territory. CST offers investors exposure to copper, gold, cobalt, iron and bismuth with its 100%-owned flagship ‘Rover 1' Project in Tennant Creek. Amidst current M&A activity, CST’s flagship project stands to be one of the only remaining companies in the region with substantial compliant multi-commodity resources and diversified mineral economics.

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Investor Highlights

• Advanced Project with Proven Economic Feasibility - Bankable Feasibility Studies (BFS) due with previously outstanding Preliminary Feasibility Studies (PFS) results. Note that this PFS was based on an older Resource Estimate of 5.58Mt @ 1.49% Cu, excluding further additional upside from bismuth and higher prices across gold, copper, cobalt. BFS expectations for annual production include 30,000oz of gold and 7,000t of copper.
  
  
• High-grade Copper Offering - JORC 2012 Resource at Rover 1 of 7.86Mt @ 1.24% Cu. CST currently have the largest bismuth resource in Australia (8,900t @ 0.11%), also offering 4N (99.99%) purity.
  
  
  
• Government Support and Offtake Potential- In 2024, CST was labelled with ‘Major Project Status’ by the Northern Territory Government, supporting the project in becoming a major hub for critical minerals within the state.
  • CST has previously received exploration grants from the State Government. CST has also engaged the State Government for the development of a processing facility for the Company at its ~$2bn ‘Middle Arm Precinct’.
  • CST has confirmed it’s ‘Rover 1’ Project Data Room is currently active with CST’s customer and financier program negotiations.
  • Castile has attended ‘InterBattery’ in Korea (March 2026), as part of the Austrade-led Australian Critical Minerals Delegation.
    
    

• Favourable Jurisdiction and Infrastructure – Rover 1 is just south of ‘Tennant Creek’, which hosts multiple copper-gold projects for Tennant Minerals (ASX: TMS), True North Copper (ASX: TNC), and Pan African Resources (LON: PAF), Emmerson Resources (ASX: EMR) which is being acquired by PAF and CuFe Limited (ASX: CUF). Tennant Creek has historically produced over 4.6Moz of gold and 350kt of copper, with the company originally believing the mineralisation across ‘Rover’ and Tennant Creek to be the same. The project has strong supporting infrastructure, with the Stuart Highway within ~60km, access to the Darwin-Adelaide Railway and the Amadeus Natural Gas Pipeline. CUF, ERM and TMS have also previously formed ‘The Tennant Creek Alliance’, in which all 3 parties are evaluating developing a multi-user processing facility for the area.
  
  
• Multi-commodity Project and Macroeconomic Tailwinds – The Project offers exposure to multiple critical minerals and precious metals. Rover 1 is capable of downstream production of 99% Cu, 99% Co, 96.5% Fe3O4. With Bismuth labelled as a critical mineral, global production is dominated by China who produce over 80% of the world’s supply.
  
  

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