F4 Uranium's geophysics program begins at Murphy Lake

Executive Summary

• F4 Uranium Corp. announces that a partner-financed ground EM geophysics program is underway at its Murphy Lake property, with results intended to guide an upcoming drill program planned for late spring 2026.
• The geophysics crew is currently targeting the northernmost lines near historic drill hole ML22-012, which showed strong uranium geochemistry, and testing for extensions of conductive corridors identified in hole ML22-006.
• The work program is fully financed by UraniumX Discovery Corp. under an option agreement allowing UraniumX to earn up to a 70% interest in the property, with F4 acting as the operator.

Key Details

• Geophysics Program Status: Ground EM geophysics program is active; crew mobilized to highest-priority northernmost lines near historic drill hole ML22-012.
• Target Area 1 (ML22-012): Testing area interpreted to have overshot conductive basement target but returned strong uranium geochemistry just above the Athabasca unconformity.
  • Historic Intercept: Hole ML22-012 returned 56 ppm U over 0.5 metre in sandstone.
• Target Area 2 (ML22-006 Extension): Testing for an extension of the north-south conductive corridor.
  • Historic Intercept: Hole ML22-006 intersected 0.242% U3O8 in basement rocks within a 4.2-metre-wide deformation zone.
• Future Plans: New EM results will be integrated into the project model to guide the upcoming drill program planned for late spring 2026.
• Financing & Earn-In:
  • Fully financed by UraniumX Discovery Corp.
  • Terms allow UraniumX to earn up to a 70% interest in the Murphy Lake property.
  • F4 Uranium acts as the operator during the earn-in period.
• Property Location: Murphy Lake property is located in the northeastern corner of the Athabasca basin, Saskatchewan.
  • 5 km south of IsoEnergy's Hurricane deposit.
  • 4 km east of Cameco's La Rocque Lake uranium zone (where hole Q22-040 intersected 29.9% U3O8 over 7.0 m).
  • 30 km northwest of Orano's McLean Lake deposits.
• Historical Drilling Context: 2022 program consisted of 14 drill holes totaling 6,850 m.
  • Hole ML22-006 intersected 0.065% U3O8 over 2.5 m (from 322.5 m to 324.5 m), including 0.242% U3O8 over 0.5 m.

Notable Quotes

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