Quarterly Activities Report

• Quarterly production of 76,849 ounces of gold with sales of 79,085 ounces at an average realised sales price of A$6,023 per ounce
• Stage 2 KoTH processing facility upgrade completed ahead of schedule and on budget
• Merger with Genesis Minerals on track for late November 2026

Vault Minerals Ltd is pleased to present the Company's Quarterly Activities Report for the quarter ending 30 September 2026. The report highlights key operational milestones and financial performance. Quarterly production was 76,849 ounces of gold, with sales of 79,085 ounces at an average realised sales price of A$6,023 per ounce and an All-in Sustaining Cost (AISC) of A$3,529 per ounce. The stage 2 KoTH processing facility upgrade was completed ahead of schedule and on budget, with commissioning expected to be fully completed following performance testing scheduled for late October 2026. The merger by way of scheme of arrangement with Genesis Minerals Limited (Genesis) is on track for implementation in late November 2026. Vault generated underlying free cash flow of $95.7 million during the quarter before payment of the $50.7 million break fee associated with the termination of the proposed merger with Regis Resources and closed the period with cash and bullion of $886.7 million.

FY27 production guidance: 355,000 to 375,000 ounces at an AISC of A$3,150 to A$3,350 per ounce

Vault Minerals Ltd anticipates further growth with the merger by way of scheme of arrangement with Genesis Minerals Limited (Genesis) expected to be implemented in late November 2026. The company is also expecting to see benefits from the stage 2 KoTH processing facility upgrade and the ramp-up of underground development at Sugar Zone.