Cosa Resources – Summer Drill Program Delineates 2kms Strikelength of Graphitic Faulting And Strong Sandstone Alteration Along The Cyclone Trend At The Murphy Lake North Uranium Project

Keith Bodnarchuk, President and CEO, and Andy Carmichael, VP of Exploration of Cosa Resources Corp. (TSXV: COSA) (OTCQB: COSAF) (FSE: SSKU), both join me to review the news released today on August 25th  highlighting that the summer exploration drilling has successfully identified two kilometres of highly prospective strike length characterized by strong sandstone alteration and graphitic faulting at the Cyclone Trend on the Murphy Lake North Project (“MLN”).   MLN is a joint venture between Cosa and Denison Mines Corp. $DML $DNN.US and is located in the eastern Athabasca Basin, Saskatchewan. Cosa is the project operator and holds a 70% interest with Denison holding a 30% interest.

Summer Drilling Highlights:

• Two kilometres of strong sandstone structure and alteration identified at the Cyclone trend underlain by large scale graphitic faulting
• Up to 30 metres of unconformity relief identified at Cyclone
• Alteration and structure at Cyclone remain open in both directions and follow up drill targets exist along multiple trends
• Cosa has met its sole-fund obligation and now owns an irrevocable 70% interest in Murphy Lake North

Keith outlines why these results of the Murphy Lake North summer drill program, specifically those at the Cyclone trend, are the most significant to date for Cosa, and further support their thesis and the follow up drill program slated to begin in early 2026.

Andy visually walks us through where the 3,323 metres in eight holes were completed, with one hole being put into the Hurricane trend to follow up winter 2025 drilling results, and then the balance of 7 holes being drilled as the initial reconnaissance of the Cyclone trend.  These results identified over two kilometres of highly prospective strike length and potentially identified an additional unexplored parallel trend to the south. The intensity and continuity of sandstone alteration and structure, both vertically and along strike, is an encouraging indicator of the trend’s prospectivity. Basement structures intersected two kilometres apart are textbook examples of major graphitic faults critical to the formation of eastern Athabasca uranium deposits. With an average depth to the unconformity of roughly 250 metres, the Cyclone trend is incredibly well situated for the discovery of relatively shallow mineralization.   Andy showcased photos of the drill core, and that they’ll be awaiting the geochemical results, to then vector into to the future follow up drill targets.

Wrapping up we looked ahead to the follow up program for early 2026, where Cosa and Denison elected to leave much of the drill equipment on site to minimize the time and cost to resume early next year.  Additionally, Keith mentioned that Darby project, another key property in the Cosa/Denison JV agreement will be getting its first drilling at high-priority targets in 2026.

If you have any questions for Keith or Andy regarding Cosa Resources, then please email them in to me at Shad@kereport.com.

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