Announcement PDF Market Announcement 1 June 2026 1 June 2026 Market Announcement 1/1 ASX Limited ASX Customer Service Centre 131 279 | asx.com.au Kingston Resources Limited (ASX: KSN) – Trading Halt Trading in the securities of Kingston Resources Limited (‘KSN’) will be halted at the request of KSN, pending the release of an announcement by KSN. Unless ASX decides otherwise, the securities will remain in trading halt until the earlier of: • the commencement of normal trading on Wednesday, 3 June 2026; or • the release of the announcement to the market. KSN’s request for a trading halt is attached below for the information of the market. Issued by ASX Compliance 1 www.kingstonresources.com.au ACN 009 148 529 202/201 Miller Street, North Sydney, NSW 2060, +61 2 8021 7492, info@kingstonresources.com.au 1 June 2026 Mr Matt Stubberfield Adviser, ASX Listings Compliance (Perth) By email: matt.stubberfield@asx.com.au tradinghaltsperth@asx.com.au Dear Matt, Kingston Resources Limited (ASX:KSN) – Trading Halt Request Pursuant to ASX Listing Rule 17.1, Kingston Resources Limited (Company) requests an immediate trading halt be granted by the Australian Securities Exchange (ASX) with respect to the Company’s securities quoted on the ASX. In accordance with ASX Listing Rule 17.1 the Company advises that: a. the reason for the request is pending the release of an announcement regarding a new pit wall failure impacting the Pearse South ramp, which requires further assessment to determine the extent of impact on the operations. Open pit mining operations have ceased temporarily. b. it anticipates that the trading halt be effective immediately and remain in place until the earlier of the commencement of normal trading on Wednesday, 3 June 2026 or the release of an announcement by the Company on the above matter. c. the Company is not aware of any reason why the trading halt should not be granted; and d. the Company is not aware of any other information necessary to inform the market about the trading halt. Yours sincerely Kingston Resources Limited Authorised by: Vinod Manikandan Company Secretary on behalf of the Board