Announcement PDF Market Announcement 2 March 2026 2 March 2026 Market Announcement 1/1 ASX Limited ASX Customer Service Centre 131 279 | asx.com.au Horizon Gold Limited (ASX: HRN) – Trading Halt Trading in the securities of Horizon Gold Limited (‘HRN’) will be halted at the request of HRN, pending the release of an announcement by HRN. Unless ASX decides otherwise, the securities will remain in trading halt until the earlier of: • the commencement of normal trading on Wednesday, 4 March 2026; or • the release of the announcement to the market. HRN’s request for a trading halt is attached below for the information of the market. Issued by ASX Compliance 2 March 2026 Fraser Staltari Advisor, Listings Compliance (Perth) Australian Securities Exchange Level 40, Central Park 152-158 St Georges Terrace PERTH WA 6000 By e-mail: fraser.staltari@asx.com.au, tradinghaltsperth@asx.com.au Dear Fraser, Re: Horizon Gold Limited (ASX: HRN) – Trading Halt Request In accordance with ASX Listing Rule 17.1, Horizon Gold Limited (ACN 614 175 923) (“HRN” or “Company”) requests an immediate trading halt be implemented in respect of the Company’s securities quoted on the ASX (ASX:HRN). The trading halt is requested pending an announcement from the Company in relation to a capital raising. The following information is provided in relation to this request: 1. The trading halt should remain in place until the earlier of the commencement of normal trading on Wednesday, 4 March 2026 or when an announcement is made by the Company in relation to the capital raising. 2. HRN is not aware of any reason why the trading halt should not be granted. 3. HRN is not aware of any other relevant information in relation to this request. This request has been authorised for release to the ASX by the Company’s Board of Directors. If there are any questions relating to the above, please contact Scott Williamson on 0416 967 329. Yours sincerely Trevor O’Connor Company Secretary