Quarterly Activities/Appendix 5B Cash Flow Report

• Acquisition of Riverina East Gold Project expands Western Australian gold portfolio
• 62% of Gimlet Resource upgraded to Indicated category
• Barlee Gold Project acquisition completed

First Au Ltd's Q1 FY2026 activities report highlights several strategic acquisitions and advancements in its gold exploration projects. The company acquired the Riverina East Gold Project, which includes the historic First Hit Gold Mine and the Bifrost Project, adding 11 mineral licenses and one Exploration Licence Application in the Kalgoorlie region. The Gimlet Gold Project saw a significant resource upgrade, with 62% of its resource now classified as Indicated. The company also completed the acquisition of the Barlee Gold Project, covering approximately 300km2. Additionally, First Au Ltd acquired 20 mineral licenses in the Kalgoorlie and Leonora regions and appointed Mr. Lachlan Kenna as a Non-Executive Director. The company held cash and cash equivalents of $4.19 million as of June 30, 2026.