Announcement PDF Market Announcement 17 February 2026 17 February 2026 Market Announcement 1/1 ASX Limited ASX Customer Service Centre 131 279 | asx.com.au Horizon Minerals Limited (ASX: HRZ) – Trading Halt Trading in the securities of Horizon Minerals Limited (‘HRZ’) will be halted at the request of HRZ, pending the release of an announcement by HRZ. Unless ASX decides otherwise, the securities will remain in trading halt until the earlier of: • the commencement of normal trading on Thursday, 19 February 2026; or • the release of the announcement to the market. HRZ’s request for a trading halt is attached below for the information of the market. Issued by ASX Compliance Horizon Minerals Limited | ACN 007 761 186 horizonminerals.com.au Level 2, 16 Ord Street, West Perth, WA 6005 | +61 8 9386 9534 info@horizonminerals.com.au 17 February 2026 Mr Fraser Staltari ASX Limited Level 40, Central Park 152 – 158 St Georges Terrace PERTH WA 6000 By email: tradinghaltsperth@asx.com.au fraser.staltari@asx.com.au Dear Fraser Request for Trading Halt Horizon Minerals Limited In accordance with ASX Listing Rule 17.1, Horizon Minerals Limited (ASX:HRZ) (Horizon or the Company) requests a trading halt of the Company’s securities prior to the commencement of trading on Tuesday, 17 February 2026. Horizon provides the following information for the purposes of ASX Listing Rule 17.1: 1. The trading halt is requested pending an announcement regarding a material capital raising. 2. The Company requests that the trading halt remains in place from receipt of the request until the earlier of the release of the announcement regarding the capital raising, or the commencement of trading on Thursday, 19 February 2026. 3. The Company is not aware of any reason why the trading halt should not be granted. 4. The Company is not aware of any other information necessary to inform the market about the trading halt. Authorised by the Board of Horizon Minerals Limited. Yours sincerely Daniel Coletta Company Secretary Horizon Minerals Limited