Resource Estimate
Pan American Energy Initiates Work Toward Mineral Resource Estimate for the Big Mack Project

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Executive Summary
- Pan American Energy Corp. has commenced work to prepare a NI 43‑101 compliant mineral resource estimate (MRE) for its Big Mack lithium project in Ontario.
- The forthcoming MRE will be built on drilling data from the 2023–2024 programs, including nine additional drill holes completed late 2024.
- Completion of the MRE will trigger an update to the company’s NI 43‑101 technical disclosure with revised figures, maps, sections and tables.
Key Details
- Project: Big Mack Lithium Project, ~80 km north of Kenora, Ontario, Canada.
- Scope of Work: Integration of all existing drilling data (2023 & 2024 programs) into a modern 3‑D geological model and resource estimation block model; data verification and review per NI 43‑101 standards.
- Drilling Database: Includes nine new drill holes completed between November–December 2024, in addition to earlier 2023‑2024 results previously announced.
- Outcome Expected: A comprehensive mineral resource estimate (MRE) that will be used to update the company’s NI 43‑101 technical report with new resource figures, maps, cross‑sections and tables.
- Qualified Person: Jared Suchan, Ph.D., P.Geo., Technical Advisor to Pan American Energy Corp., has reviewed, verified and approved the scientific and technical content of this release.
- CEO Comment: Adrian Lamoureux emphasized that advancing to an MRE “is the next step in establishing a stronger technical foundation for the project” and highlighted the robustness of the existing drill dataset.
- Future Plans: Upon completion of the MRE, Pan American will file an updated NI 43‑101 technical disclosure covering the Big Mack Project.
Notable Quotes
“Advancing Big Mack to a mineral resource estimate is the next step in establishing a stronger technical foundation for the project. The Company believes the drilling completed to date provides a foundational dataset to support this next stage of technical work.” – Adrian Lamoureux, CEO
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May 27, 2026 · 08:00