Cosa Resources Announces Completion of Geophysical Surveys at Multiple Eastern Athabasca Uranium Projects

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Vancouver, British Columbia--(Newsfile Corp. - June 26, 2024) - Cosa Resources Corp. (TSXV: COSA) (OTCQB: COSAF) (FSE: SSKU) ("Cosa" or the "Company") is pleased to announce the completion of ground and airborne geophysical surveys at its Ursa, Orion, Astro and Orbit Projects.

Keith Bodnarchuk, President & CEO, commented: "The completion of these geophysical programs at our 100% owned Ursa, Orion, Aurora, and Orbit projects marks another important step in Cosa's path to developing a pipeline of drill targets across much of our prospective and highly underexplored portfolio of uranium projects. We consider the recent winter drilling results and identification of sandstone hosted structure and alteration to be a major success for the Company and are eager to use the results of the ANT work at Ursa to guide follow up drilling later this summer. With the completion of our $6.5m bought deal financing earlier this year, we are fully funded to pursue exciting drill targets at Ursa while also bringing the Orion, Aurora, and Orbit projects up to drill-ready status for 2025."

Andy Carmichael, VP of Exploration, commented: "We are pleased to have completed the data acquisition phase of our geophysical program which includes three types of surveys to advance four of our key uranium projects. Cosa expects that by starting early in the season, results from the extensive Ambient Noise Tomography (ANT) work at Ursa will be in hand in time to guide drilling to follow-up encouraging results from winter 2024 drilling and bolster target area prioritization on this 60,000-hectare project. We are excited to see the ANT results from Orion where work in 2023 highlighted compelling coincident sandstone and basement conductive anomalies, and airborne gravity and electromagnetic results at Aurora and Orbit will shape 2025 exploration at these shallow projects proximal to the Key Lake uranium mill."

Ambient Noise Tomography Survey

Ambient Noise Tomography (ANT) surveying was completed at Ursa and Orion in two phases, with node deployment in May and node pickup in June. Harvesting of data from the 930 nodes is underway and processing to develop a three-dimensional (3D) seismic velocity model is expected to begin immediately after data harvesting is complete.

As the Athabasca sandstone is relatively homogenous and seismic wave velocity varies with changes in the host rock, variations in seismic velocity can be attributed to post-Athabasca faulting and/or alteration zones characteristic of the region's high-grade uranium deposits. Recent exploration drilling in the region targeting ANT anomalies has successfully intersected zones of hydrothermal alteration at depth.