Evolution Mining’s December 2025 mineral resources and ore reserves update shows a company building on existing strengths, with gold resources climbing to 31 million ounces following a 0.9 million ounce increase over the period. The gain, driven by continued expansion at Cowal and the Northparkes open pits, underscores a business capable of growing its asset base despite ongoing mining depletion, and positions Evolution’s portfolio as increasingly attractive to investors seeking long-life, steady-state production from quality assets.
The headline growth in resources matters because it translates to enduring mine life and production optionality. Cowal alone added 1.2 million ounces, reflecting the success of extension drilling south of Dalwhinnie and deeper drilling at the Regal deposit. This organic reserve addition, combined with a 0.67 million ounce reserve increase at Cowal and a 0.2 million ounce boost from Red Lake Tailings, shows that Evolution is not merely managing depletion but actively building its recoverable inventory. Gold ore reserves reached 12 million ounces, up 5 percent, a meaningful metric because reserves represent the economic subset of resources actually expected to be mined profitably.
Copper metrics painted a more cautious picture, with resources declining 200,000 tonnes to 4.2 million tonnes and reserves falling 100,000 tonnes to 1.3 million tonnes, primarily due to mining depletion at Ernest Henry and updates at other operations. The company flagged targeted exploration around Ernest Henry and Northparkes to rebuild and grow the copper portfolio, hinting that management sees copper as an underexplored part of the business worth further definition.
Exploration results added a layer of near-term catalysts. Step-out drilling at Mungari extended high-grade mineralization at Genesis and Arctic, promising additions to underground mine life at that asset. Cowal’s Oban prospect and results beyond the E41 pit suggest new mining frontiers within an already core operation. These results are expected to feed into the 2026 mineral resource update, meaning investors should anticipate further upside to reported resources within the next 12 months as the company mines the exploration dataset and updates its models.
The Northparkes expansion study, due for completion by the end of FY2027, represents the most material near-term milestone. That study is expected to unlock material growth to group resources and reserves, and signals that Evolution views Northparkes as a platform for significant production expansion. Execution risk remains, as does commodity price exposure, but the company’s track record of delivering reserve additions and its disciplined approach to mine planning suggest a credible path to value creation for shareholders. Investors should monitor the 2026 exploration update and watch for Northparkes study progress over the coming 18 months. This announcement is price sensitive and has been flagged as material by the ASX.
View the full ASX announcement (PDF)
About Evolution Mining Limited (ASX: EVN)
Evolution Mining Limited is an Australia-based gold mining company that engages in the exploration, mine development, operation, and sale of gold and gold-copper concentrates. The company operates six mines located in Australia and Canada, including assets in New South Wales, Queensland, Western Australia, and Ontario. It also explores for copper and silver deposits.
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