• Extensive drilling programs in 2024 resulted in Mineral Resource Estimate (MRE) updates across key deposits
• Brightstar's group Measured & Indicated classified Mineral Resources surpass +1Moz Au
• Notable deposit upgrades include 34% increase at Lord Byron, 25% grade increase at Lady Shenton, and 22% increase at Fish

Brightstar Resources Ltd (ASX: BTR) has announced an update to the Mineral Resource Estimates at key deposits within its portfolio of producing and near-term production assets. The MRE updates incorporated drilling programs completed by Brightstar during 2024 in support of the upcoming Definitive Feasibility Study. The drilling programs were focused on de-risking mine areas for future production. Brightstar's group Measured & Indicated classified Mineral Resources now surpass +1Moz Au, with +300koz Au in producing or near-term deposits. Notable deposit upgrades include a 34% increase in total Measured and Indicated ounces at Lord Byron, a 25% increase in resource grade at Lady Shenton System, a 6% increase in total Indicated ounces at Cork Tree Well, a 22% increase in total MRE at Fish, a 23% increase in resource grade at the Second Fortune Underground Mine, and a 38% increase in total resource at the Link Zone deposit. Brightstar confirms there are no new resources or other material changes to the remainder of the Mineral Resources. The updated MRE information will feed directly into the DFS workstreams with mining designs, schedules, budgets, and economic models nearing completion.

Brightstar's group Measured & Indicated classified Mineral Resources now surpass +1Moz Au, with +300koz Au in producing or near-term deposits.

Future resource upgrades are anticipated across the Goldfields and Murchison portfolios, including a potential medium-term update at the Yunndaga Deposit (Menzies), based upon drilling programs continuing rapidly at Laverton, Menzies & Sandstone throughout 2025.