Standard Uranium Confirms Strong Radioactivity During Successful Exploration Program at the Corvo Uranium Project

Executive Summary

• Standard Uranium reported strong surface radioactivity at historic Manhattan showing (>65,535 cps) and identified 112 additional anomalous readings up to 13,500 cps across the Corvo project.
• Grab‑sample analyses returned notable uranium grades (Manhattan showing 1.19–5.98 % U₃O₈; SMDI #2052 0.137 % U₃O₈ and 2,300 ppm Th).
• The company plans a high‑resolution ground gravity survey in Q4 2025 and a diamond drill program in Q1 2026 to test the newly refined targets.

Key Details

• Program Period: 4 July – 16 July 2025; detailed mapping, prospecting, and sampling of historic uranium showings.
• Radioactivity Findings:
• Off‑scale handheld scintillometer readings >65,535 cps at Manhattan surface showing.
• 112 anomalous readings (>300 cps), including six >10,000 cps; maximum recorded 13,500 cps on newly discovered pegmatitic orthogneiss (T‑Lake area).
• Sampling Results:
• 30 outcrop and boulder grab samples submitted to Saskatchewan Research Council Geoanalytical Labs for whole‑rock, uranium, and REE analysis.
• Manhattan showing: 1.19 % – 5.98 % U₃O₈ (surface).
• SMDI #2052: 0.137 % U₃O₈ and 2,300 ppm Th.
• Surface sample JBWLR011 returned 1,420 ppm U.
• Historical Drill Data: TL‑79‑3 (0.057 % U₃O₈ over 3.5 m) to TL‑79‑5 (0.065 % U₃O₈ over 0.1 m) across an 800 m strike length.
• Geophysical Work:
• Completed helicopter‑borne Xcite TDEM & total‑field magnetic survey (≈1,380 line‑km; 100 m line spacing).
• Survey delineated >29 km of conductive trends and several km of magnetic anomalies, refining target definition.
• Future Exploration Plans:
• Q4 2025: high‑resolution ground gravity survey to locate density anomalies linked to hydrothermal alteration.
• Q1 2026: diamond drill program targeting zones identified through mapping, scintillometer, and geophysical data.
• Qualified Person: Sean Hillacre, P.Geo., President & VP Exploration (NI 43‑101 qualified).

Notable Quotes

“Confirming strong radioactivity at multiple historical uranium showings on the Project and discovering undocumented showings speaks to the prospectivity of the Corvo Project… We look forward to continuing to bolster our targeting strategy through further work programs planned on the Project in 2025.” – Sean Hillacre, President & VP Exploration, Standard Uranium.