Aurion Intersects 4.42 g/t Au over 32.55 m at Kaaresselka, Risti Property

Executive Summary

• Aurion reported significant gold intercepts from ten drill holes at the Vanha prospect (Kaaresselkä area) of its wholly‑owned Risti property in northern Finland.
• The most notable intercept is 4.42 g/t Au over 32.55 m (including 72.80 g/t Au over 1.0 m) from 267.80 m depth, extending the mineralized system 100 m deeper and confirming a strike length of ~1,050 m and depth to 250 m.
• Additional high‑grade zones include 4.69 g/t Au over 3.00 m (68.75–71.75 m) and 4.29 g/t Au over 4.45 m (308.55–313.00 m).

Key Details

• Total drilling: 10 holes, 2,031.60 m total depth.
• Key intercepts:
• Hole KS25111 – 4.42 g/t Au over 32.55 m (267.80–300.35 m) with a sub‑intercept of 72.80 g/t Au over 1.0 m at 272.00 m.
• Hole KS25111 – 4.29 g/t Au over 4.45 m (308.55–313.00 m).
• Hole KS25108 – 4.69 g/t Au over 3.00 m (68.75–71.75 m) including 13.70 g/t Au over 1.0 m at 70.75 m.
• Hole KS25106 – multiple low‑grade intervals, e.g., 1.16 g/t Au over 4.45 m (123.55–128.00 m).
• System extension: Mineralized zone now interpreted to extend an additional 100 m down‑dip, reaching a total strike length of ~1,050 m and depth of 250 m.
• Geology: Gold hosted in highly deformed, silica‑rich mafic volcanic and metasedimentary rocks with associated sulfides; elevated Pt+Pd (up to 0.31 g/t) and Co (224 ppm) noted in select holes.
• Metallurgical test work: Prior bottle‑roll leach tests on Vanha samples showed >93.6% gold recovery, confirming free‑milling nature.
• Quality control: Samples processed by ALS labs (Finland, Ireland, Romania) under ISO‑compliant QA/QC protocols; fire assay and ICP methods employed with appropriate blanks, standards, and duplicates.
• Comments: CEO Matti Talikka highlighted the 4.42 g/t Au over 32.55 m intercept as evidence of scale and growth potential, noting the system remains open in multiple directions.

Notable Quotes

“The intercept of 4.42 g/t Au over 32.55 m provides meaningful information on the potential for scale and growth of the mineral endowment at Kaaresselkä… we continue to be impressed by the strength of deformation and alteration along the structural corridor…” – Matti Talikka, CEO

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