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Standard Uranium Retains 100% Unencumbered Ownership of the Sun Dog Project Through Conclusion of Property Option Agreement
Vancouver, British Columbia--(Newsfile Corp. - December 11, 2025) - Standard Uranium Ltd. (T...

About this update from Standard Uranium Ltd
[{"type":"text","content":"Standard Uranium Retains 100% Unencumbered Ownership of the Sun Dog Project Through Conclusion of Property Option AgreementVancouver, British Columbia--(Newsfile Corp. - December 11, 2025) - Standard Uranium Ltd. (TSXV: STND) (OTCQB: STTDF) (FSE: 9SU0) (\"Standard Uranium\" or the \"Company\") announces the conclusion, effective December 11, 2025, of an arm's length property option agreement (the \"Agreement\") with Aero Energy Ltd. (\"Aero\") dated October 20, 2023, that had allowed Aero to earn up to 100% interest in the Sun Dog Project (\"Sun Dog\", or the \"Project\"). Following the conclusion of the Agreement, full and unencumbered ownership of the Project has been returned to the Company. Standard Uranium is currently working on plans to advance exploration on Sun Dog, building upon recent drilling and geophysical programs in 2024 and 2025.Sun Dog covers an area of 48,443 acres (19,604 ha) across nine mineral claims and is located 15 km Southeast of Uranium City on the northern margin of the Athabasca Basin (Figure 1). It hosts the historical Gunnar Uranium Mine, discovered in 1952, which doubled Canada's uranium production and became the largest uranium producer globally in 1956. The Gunnar Mine produced approximately 18M lbs of U3O8 between 1953 and 19811,2. Jon Bey, CEO & Director of Standard Uranium, commented, \"Sun Dog is a fantastic project that continues to garner a great deal of interest from multiple companies. We are excited to have the Sun Dog project returned to our portfolio and confident that we will have another joint venture partner funding further exploration in the next year. I would also like to wish the team at Aero Energy future success as they focus their sites on their other uranium projects in Canada and the USA. They were a great partner to work with the past two years.\" Figure 1. Overview of the Sun Dog Project highlighting drill target areas, historical high-grade* uranium occurrences3, and EM-conductors4.To view an enhanced version of this graphic, please visit:https://images.newsfilecorp.com/files/10633/277772_82df2fcd64d3c957_001full.jpgSun Dog Highlights History of Production: The project hosts the historical Gunnar Mine which produced 18M pounds of U3O8 between 1953 and 1981 and was formerly the world's largest uranium producer1,2. Uranium Above and Below the Unconformity: Nu...