CopAur Delivers Preliminary Economic Assessment and a 52% Mineral Resource Estimate Growth for the Kinsley Mountain Gold Project

About this update from Copaur Minerals Inc.

Vancouver, British Columbia--(Newsfile Corp. - May 27, 2026) - CopAur Minerals Inc. (TSXV: CPAU) (the "Company" or "CopAur") is pleased to announce the results of the Preliminary Economic Assessment (the "PEA") for its 100% owned Kinsley Mountain Gold Project (the "Kinsley Mountain Gold Project", "Kinsley" or the "Project") in eastern Nevada 80 km south of West Wendover. Summary of PEA Results "For a modest-scale operation with a short life mine, we believe that the PEA demonstrates some compelling economic potential that may support advancement toward development. In addition, near surface oxide mineralization remains open to the north of the existing open pit providing potential opportunities to significantly extend the overall mine life through future exploration success. "We believe it is uncommon for a company with CopAur's market capitalization to own a 100% interest in an open-pit, heap-leach project in a great jurisdiction like Nevada with a pre-tax NPV (5%) of US$194 million at current gold prices. We look forward to moving Kinsley toward the permitting stage while continuing to evaluate opportunities to optimize the Project as part of a potential prefeasibility study. "We remain optimistic that future gold prices will remain at or above current spot price, as per the industry consensus (for example, from CoinCodex) seen in Figure 1," commented Andrew Neale. CopAur retained Global Resource Engineering ("GRE") and APEX Geoscience Ltd. ("APEX") to complete the PEA and prepare a technical report in compliance with the guidelines of National Instrument 43-101 Standards of Disclosure for Mineral Projects ("NI 43-101"). The Company believes that the full technical report will be filed on SEDAR+ within 45 days of this press release in accordance with NI 43-101. Mineral Resource Estimate Key Highlights Resource Estimation Methodology and ParametersThe MRE utilized a block model with block dimensions of 6 metres (X) by 6 metres (Y) by 3 metres (Z) to honour the mineralization wireframes for estimation. Gold ("Au") grades were estimated for each block using Ordinary Kriging with locally varying anisotropy to ensure grade continuity in multiple directions is reproduced within the block model. The reported open-pit and ou...

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