Announcement PDF Market Announcement 12 October 2026 12 October 2026 Market Announcement 1/1 ASX Limited ASX Customer Service Centre 131 279 | asx.com.au Dundas Minerals Limited (ASX: DUN) – Trading Halt Trading in the securities of Dundas Minerals Limited (‘DUN’) will be halted at the request of DUN, pending the release of an announcement by DUN. Unless ASX decides otherwise, the securities will remain in trading halt until the earlier of: • the commencement of normal trading on Wednesday, 14 October 2026; or • the release of the announcement to the market. DUN’s request for a trading halt is attached below for the information of the market. Issued by ASX Supervision Dundas Minerals Limited Suite 13, 100 Railway Rd T: +61 (08) 9481 0389 ACN: 640 432 819 Daglish, WA 6008 E: admin@dundasminerals.com 12 October 2026 Jakub Korneluk Adviser, Listings Compliance ASX Limited Level 40, Central Park 152-158 St Georges Terrace Perth WA 6000 Via e-mail: jakub.korneluk@asx.com.au Dundas Minerals Limited – Request for Trading Halt Dear Jakub, Dundas Minerals Limited (ASX: DUN) (“Dundas” or the “Company”) herby requests that its securities be placed in an immediate trading halt and provides the following information in accordance with ASX Listing Rule 17.1. 1. Reason for trading halt – the trading halt is requested pending an announcement regarding a capital raising. 2. Duration of the trading halt - the Company anticipates that the trading halt will remain in place until the earlier of such time as it makes the announcement or prior to the commencement of trading on Wednesday, 14 October 2026. 3. Termination of the trading halt – the Company anticipates that the trading halt will cease upon the Company making the announcement to the market. 4. No reason – the Company is not aware of any reason why the trading halt should not be granted. 5. Further information – the Company is not aware of any other information necessary to inform the market about the trading halt. Yours faithfully Aida Tabakovic Company Secretary