Quarterly Activities Review & Appendix 5B

• Drilling continued at Jims Gold Mine, Groundrush Gold Mine, Western Dolerite Prospect and Defa Prospect
• Significant gold intercepts received from drilling at Jims Gold Mine
• Drilling programs commenced at Jims, Groundrush and Western Dolerite to further test mineralisation

Tanami Gold NL released its quarterly activities report and Appendix 5B cash flow statement for the period ending 30 September 2025. The report highlights the company's ongoing exploration and drilling activities at its 50%-owned Central Tanami Project joint venture with Northern Star Resources. During the quarter, the company completed 10,153.1 metres of drilling across multiple sites including Jims Gold Mine, Groundrush Gold Mine, Western Dolerite Prospect and Defa Prospect. Final assay results were received for the 18-hole Reverse Circulation Pre-Collar/Diamond Core Tail drilling program at Jims Gold Mine, which returned several significant intercepts including 7.30 metres at 6.74 g/t gold, 8.00 metres at 5.60 g/t gold and 11.92 metres at 3.57 g/t gold. A second phase of 9-hole RCD drilling commenced at Jims to further test the northern and down-dip extensions. Drilling was also completed on 27-hole RCD programs at the southern edge of Groundrush and a 24-hole RCD program at the Western Dolerite Prospect, with results pending. At Defa, the final 5 holes of a 6-hole RC program were drilled during the quarter. The company also continued work to update the Central Tanami Project's Mineral Resource estimates to comply with the 2012 JORC Code. On the corporate front, Tanami Gold held $16.013 million in cash and 500,000 shares in Northern Star Resources as of 30 September 2025.