Lafleur files NI 43-101 tech report for Swanson, Beacon

Executive Summary

• Lafleur Minerals Inc. has filed an independent NI 43-101 technical report supporting a Preliminary Economic Assessment (PEA) for the Swanson gold deposit and the Beacon gold mill in Quebec.
• The PEA outlines a vertically integrated mine-to-mill strategy, leveraging the fully permitted and refurbished Beacon mill to process material from the nearby Swanson deposit.
• The study demonstrates strong economic metrics, including a 65% after-tax IRR, $101 million NPV (5% discount rate), and $1,569/oz AISC, with a base case throughput of 1,250 tonnes per day.

Key Details

• Economic Metrics:
  • After-tax Internal Rate of Return (IRR): 65%
  • Net Present Value (NPV): $101 million (at 5% discount rate)
  • All-In Sustaining Costs (AISC): $1,569 USD/ounce
  • Gold Base Case Price: $2,750 USD/ounce
  • Strong free cash flow generation projected at base case price.
• Operational Plan:
  • Base Case: Mill throughput of approximately 1,250 tonnes per day (tpd).
  • Expansion Potential: Scalable to 3,000–4,000 tpd in longer-term scenarios.
  • Current Capacity: The Beacon mill currently has a capacity of 750 tpd.
  • Infrastructure: Utilizes existing, fully permitted, and recently refurbished infrastructure, including the Beacon mill and tailings facility.
  • Replacement Cost: The independently evaluated replacement cost of the infrastructure is $71 million.
• Project Scope:
  • Swanson Gold Project: District-scale land package of 19,214 hectares (192 sq km) in the Abitibi gold belt.
  • Location: Approximately 60 km from the Beacon gold mill in Val-d'Or, Quebec.
  • Strategy: Vertically integrated mine-to-mill approach utilizing established road access and potential rail infrastructure.
• Next Steps:
  • Advance engineering studies and project optimization.
  • Evaluate an initial 100,000-tonne bulk sample.
  • Continue metallurgical testing and resource expansion drilling at Swanson.
  • Progress permitting and infrastructure initiatives for bulk sampling and future mining.
  • Advance toward a production decision for the Swanson deposit.
• Technical Verification:
  • Report prepared by ERM Consultants Canada Ltd.
  • Qualified Persons: James Gardner, PEng (OIQ), and Louis Martin, PGeo (OGQ).
  • No material differences between this release and the prior news release dated March 3, 2026.

Notable Quotes

• Paul Teniere, CEO: "The filing of our PEA technical report marks a significant milestone for Lafleur Minerals as we advance toward near-term gold production. The study validates our vertically integrated strategy, combining the Swanson gold deposit with our fully permitted Beacon mill. With key infrastructure in place and funding secured for mill restart and recommissioning, we believe the company is well positioned to transition into a gold producer and generate near-term revenue, with additional scalability and operational flexibility that differentiate us from many junior developers."