Critical One Energy extends Howells Lake antimony mineralization 30 m northeast in drill results

• Critical One Energy reported new drill assays from four holes at its Howells Lake antimony-gold project in Ontario.
• Hole HWL-2026-017 hit 11.9 m at 1.75% Sb, including 3.6 m at 3.78% Sb, extending East Zone mineralization 30 m.
• HWL-2026-009 intersected near-surface antimony, including 1.15 m at 3.32% Sb, with 7.64 m at 0.46 g/t Au.
• Gold mineralization was confirmed below the East Zone, including 7.0 m at 1.49 g/t Au in HWL-2026-014.
• The 2026 drill target was raised to 15,000 m, supporting a planned mineral resource estimate and follow-up metallurgical drilling.

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