Announcement PDF Market Announcement 18 August 2026 18 August 2026 Market Announcement 1/1 ASX Limited ASX Customer Service Centre 131 279 | asx.com.au #11127443v1 Dart Mining NL (ASX: DTM) – Trading Halt Trading in the securities of Dart Mining NL (‘DTM’) will be halted at the request of DTM, pending the release of an announcement by DTM. Unless ASX decides otherwise, the securities will remain in trading halt until the earlier of: • the commencement of normal trading on Thursday, 20 August 2026; or • the release of the announcement to the market. DTM’s request for a trading halt is attached below for the information of the market. Issued by ASX Compliance 18 August 2026 ASX Market Announcements ASX Securities Exchange Limited Level 4 North Tower, Rialto Towers 525 Collins Street Melbourne VIC 3000 Request for Trading Halt Dart Mining NL (ASX: DTM) requests an immediate trading halt be granted by the Australian Securities Exchange (ASX) for all of its securities. In accordance with Listing Rule 17.1 Dart Mining advises: 1. The trading halt is requested pending the release of an announcement regarding a share placement. 2. The trading halt is requested until the earlier of the commencement of normal trading on Thursday, 20 August 2026 or when the announcement is released to the market. 3. The Company is not aware of any reason why trading in its securities should not be temporarily halted. Yours sincerely Julie Edwards Company Secretary Approved by the Managing Director. For more information contact: James Chirnside Managing Director Dart Mining NL jchirnside@dartmining.com.au Webpage: www.dartmining.com.au LinkedIn: Dart Mining NL Twitter: @DartMining Dart Mining NL ABN: 84 119 904 880 Level 6, 412 Collins Street Melbourne VIC 3000 Contact: James Chirnside Email:jchirnside@dartmining.com.au Mobile: +61 447 447 613