24th October 2025 Dear Shareholder, Dart Mining NL Annual General Meeting The Board of Dart Mining NL (ASX:DTM) (Company) will hold its 2025 Annual General Meeting of Shareholders at 11.00am (Melbourne time) on Wednesday, 26 November 2025 (AGM) conducted as a virtual meeting, accessible online. Shareholders wishing to attend the AGM must register in advance for the virtual meeting here: https://zoom.us/meeting/register/kQ13xCV8QhKbCUQx0KC55Q Or to register for the AGM, go to www.zoom.us then select ‘join a meeting’ and enter the following meeting ID: 986 3193 3492 You may register at any time up to 11.00am (AEST) on 25 November 2025, being 24 hours before the appointed time of the AGM. If you have nominated an email address and elected to receive electronic communications from the Company’s share registry, Automic Registry, you will receive an email with a link to an electronic copy of the Notice of Meeting. Alternatively, the Notice will also be available on the Company’s ASX market announcements page. The Company encourages shareholders to submit their votes in advance of the meeting as this will provide the Company with the best opportunity to prepare for the meeting. However, votes may also be submitted during the meeting. Proxy forms must be received by the Company’s share registry, Automic, by 11am (AEST) on 24 November 2025. If it becomes necessary or appropriate to make any changes to the Notice of Meeting the Company will make further information available through the ASX website at asx.com.au (ASX:DTM). Yours faithfully Julie Edwards Company Secretary Visit our webpage: www.dartmining.com.au Find us on LinkedIn: Dart Mining NL Dart Mining NL ABN: 84 119 904 880 412 Collins Street Melbourne VIC 3000 Contact: James Chirnside Email: jchirnside@dartmining.com.au Phone: +61 447 447 613