Appia Rare Earths & Uranium Corp. (CSE: API) has announced the staking of 20 additional mineral claims surrounding its 100% owned Otherside Uranium Property in Saskatchewan's Athabasca Basin, bringing the total property size to 26 claims covering 20,443.95 hectares. The expansion follows encouraging results from three survey lines completed during Appia's Q1 2026 SPARTAN Magnetotelluric (MT) survey, which identified geophysical and structural anomalies interpreted as potentially favourable for uranium deposition. Investors may be watching closely as the company advances its exploration footprint in one of Canada's premier uranium-bearing regions.

Key Points

  • Appia Rare Earths & Uranium Corp. (CSE: API | OTCQB: APAAF)
  • 20 additional mineral claims staked surrounding the Otherside Uranium Property in Saskatchewan's Athabasca Basin
  • Total property now comprises 26 claims totalling 20,443.95 hectares; newly staked claims were acquired on June 22, 2026 and August 27, 2026
  • Investors may watch for results from planned ground MT and Ambient Noise Tomography surveys, with data intended to inform a 2027 drill campaign

MT Survey Results Drive Otherside Claim Expansion

The staking decision was directly informed by Appia's Q1 2026 SPARTAN MT survey, which completed three survey lines across the property. The release states that results identified several geophysical and structural anomalies interpreted as representing a potential ingress/egress-style setting favourable for uranium deposition. The company notes the setting displays conceptual similarities to structural controls associated with the high-grade McArthur River uranium deposit, though the announcement cautions these comparisons are conceptual exploration models and that comparable uranium mineralization has yet to be discovered at Otherside.

Strategic Rationale Behind the Newly Staked Ground

Appia selected the newly staked claims to extend geophysical coverage northwest and southeast of the existing property, allowing the company to further evaluate all three MT survey lines in both directions. Additionally, the expansion secures several magnetic gradient and intensity changes east and southeast of the original property that may represent prospective geological and structural features warranting follow-up exploration. CEO Tom Drivas stated in the release that the positive MT results strengthen the company's confidence in the exploration potential at Otherside and highlight the importance of securing additional surrounding ground.

Path Toward 2027 Drill Campaign Takes Shape

The additional claims are intended to provide Appia with greater flexibility to refine its regional geological interpretations and advance follow-up exploration through planned ground MT and Ambient Noise Tomography surveys. The release states that data from these surveys are planned to be integrated into multidisciplinary 3D geomodelling and used to refine target selection for Appia's planned 2027 drill campaign. The technical content in the announcement was reviewed and approved by Dr. Irvine R. Annesley, P.Geo., Senior Exploration Advisor and a Qualified Person as defined by National Instrument 43-101.