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Potentially >200m of base metal and graphite mineralisation intersected at Arya Prospect

CASTILLO COPPER LIMITED

ASX Release

17 November 2021

CASTILLO COPPER LIMITED

ACN 137 606 476

45 Ventnor Avenue, West Perth, Western Australia 6005

Tel: +61 8 9389 4407

Contact:

Simon Paull

Managing Director

E-mail:

[email protected]

For the latest news:

www.castillocopper.com

Directors / Officers:

Rob Scott

Simon Paull

Gerrard Hall

Geoff Reed

ASX/ LSE Symbol:

CCZ

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Castillo Copper’s Managing Director Simon Paull commented: “The preliminary findings from the drilling campaign are quite remarkable, as over 200m of carbonaceous siltstone and schist, exhibiting occurrences of base metal sulphides and fine-grained graphite mineralisation, was intersected. This is an exciting development, particularly given strong prevailing demand for battery related minerals such as copper, cobalt, and graphite. The Board looks forward to reviewing the assay results and remains committed to continued drilling at the Arya Prospect.”

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• So far, three drill-holes have been completed from two drill pads, with standout, AR_002RC, reaching a depth of 238m:

  • Around 200m of dark grey and black carbonaceous siltstone / schist was intersected (Figure 1), with occurrences of scattered base-metal sulphides and fine-grained graphite mineralisation, remaining open at depth
• Encouragingly, visible but scattered chalcopyrite (copper sulphide mineralisation) was observed in drill-hole AR_001RC