Brightstar Resources (ASX:BTR) updated its mineral resource estimates (MRE) for key deposits in its portfolio, including the Lady Shenton System and Link Zone deposits at the Menzies project and Second Fortune and Fish underground mines in Western Australia, according to a Monday filing with the Australian bourse.
The updates also include near-term production deposits, Lord Byron and Cork Tree Well at the Laverton project, the filing said.
The company's measured and indicated classified mineral resources surpass 1 million ounces of gold, with 300,000 ounces in producing or near-term deposits.
The MRE updates involve drilling programs completed in 2024 for the definitive feasibility study to be released in the first half of the year, according to the filing.
Shares rose 3% in midday trade Monday and earlier reached their highest since March 2022.