Announcement PDF 25 August 2025 ENTITLEMENT ISSUE OFFER CLOSED Horizon Gold Limited (‘HRN’ or the ‘Company’) advises that the recent entitlement issue announced on 21 July 2025 to raise approximately $7.0 million (before costs) on the basis of 1 new fully paid ordinary share for every 10 shares held, at an issue price of $0.48 (the entitlement offer) closed on 19 August 2025. The Company is pleased to advise that it has received acceptances in respect to 12,400,670 shares representing a 86% take up of the entitlement offer. The total funds from these acceptances was approximately $5,952,322. The Directors are considering placing the shortfall of 2,083,234 shares for approximately $999,952. The Directors are pleased with the level of acceptances and wish to thank all shareholders for their ongoing support of the Company. The new shares are expected to be issued on or before 26 August 2025. This announcement has been authorised by the Board of HRN. For further information please contact: Leigh Ryan Managing Director Perth, Western Australia + 61 8 6331 6092 lryan@horizongold.com.au 1 Trevor O’Connor Company Secretary Perth, Western Australia + 61 8 6331 6092 toconnor@horizongold.com.au HORIZON GOLD LIMITED ACN: 614 175 923 Suite 8 / 47 Havelock Street, West Perth, WA 6005 | PO Box 39, West Perth, WA 6872 Telephone: +61 8 6331 6092 | Email: info@horizongold.com.au | Website: www.horizongold.com.au