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LION COPPER & GOLD CORP.

For the period ended Aug 5, 2025. Filed Aug 6, 2025.

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A notice of a major event between regular reports, such as results, a deal or a change of executives. It is often the first formal record of the news.

Aug 5, 2025 · Filed Aug 6, 2025

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LCU$4.20-4.3%Stored close · as of Nov 6, 2026
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Contents

EX-99.1 · Significantly Derisked Project at PFS level with Resource Upside Potential

Significantly Derisked Project at PFS level with Resource Upside Potential

  • Strong reserve and resource confidence with 60% of the resources in Proven and Probable and 88% Measured and Indicated categories with over 125 miles (660,000 ft) of drilling in 1,662 drill holes across the Yerington and MacArthur deposits.

  • +10 years of extensive metallurgical testwork and modelling completed including over 50 column tests thoroughly assessing performance characteristics across numerous composites and configurations to optimize reliable metallurgical outcomes.

  • 6,014 acre-feet/year of secured water rights permitted for mining use for the life of the project.

  • Regional infrastructure is in place to support a major mine, with rail, power, highway, airport and proximity to skilled workforce.

  • Clear path to permitting with strong eligibility potential for Fast-41 streamlined permitting process.

Strategically Important U.S. Copper Production

  • Heap leach operation with solvent extraction-electrowinning (SX/EW), enhanced by Nuton's proprietary sulfide leaching technology, achieving a project average of 73.2% copper recovery from sulfide ore.

  • Run of mine (ROM) oxide ore heap leached with recoveries at the project of 60%.

  • On-site production of refined cathode copper for use in U.S. supply chains.

NEWS RELEASE3
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