Announcement PDF 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 5 June 2026 Mr Matt Stubberfield Adviser, ASX Listings Compliance (Perth) By email: matt.stubberfield@asx.com.au tradinghaltsperth@asx.com.au Dear Matt, REQUEST FOR EXTENSION OF VOLUNTARY SUSPENSION Kingston Resources Limited (‘Kingston’) (ASX: KSN) refers to the voluntary suspension of its securities granted on Wednesday, 3 June 2026. Pursuant to ASX Listing Rule 17.2, the Company requests a further extension to the voluntary suspension of its securities. The extension is requested as Kingston continues to assess the impact of the pit wall failure affecting the Pearse South ramp at the Mineral Hill Mine. Kingston is currently unable to provide a detailed and informed update to the market. Kingston requests that the suspension remains in place until the earlier of Kingston providing an update to the market, or the commencement of trading on Thursday, 11 June 2026. Kingston confirms that it is not aware of any reason why the extension of the voluntary suspension should not be granted or aware of any other information necessary to inform the market regarding the voluntary suspension. Yours sincerely Kingston Resources Limited Authorised by: Vinod Manikandan Company Secretary, on behalf of the Board