LUCA MINING CONFIRMS FULL OPERATIONAL CONTINUITY AT TAHUEHUETO MINE FOLLOWING ENVIRONMENTAL INSPECTION

Executive Summary

• Luca Mining confirms that the Tahuehueto Gold Project continues normal operations after a routine inspection by Mexico’s environmental regulator, PROFEPA.
• A temporary closure notice was issued only for an inactive 0.3‑hectare legacy tailings area; it does not affect current production at Tahuehueto or Campo Morado mines.
• The company will submit updated technical documentation and a remediation plan for the inactive area, emphasizing its commitment to environmental compliance and transparency.

Key Details

• PROFEPA inspected the Tahuehueto project’s compliance with its Environmental Impact Authorization (MIA) issued by SEMARNAT.
• The inspection identified a small legacy tailings storage zone near the processing plant that is currently inactive and does not impact mining or processing activities.
• A temporary closure notice was placed on this 0.3‑hectare area pending submission of updated technical documentation; Luca Mining will develop a remediation plan that will not affect ongoing operations.
• President Ramón Pérez stated: “Environmental compliance and transparency are central to Luca Mining’s operations… The temporary notice applies only to a non‑operational section … and does not affect current production.”
• Operations at both Tahuehueto and Campo Morado mines remain normal, with continued focus on production, optimization, and sustainability initiatives.
• CEO Dan Barnholden signed the release on behalf of the Board of Directors.

Notable Quotes

“Environmental compliance and transparency are central to Luca Mining's operations,” – Ramón Pérez, President, Luca Mining.

Materiality Assessment: Non‑Material – Positive (the update confirms continued operations without material impact on financial performance).