Standard Uranium Announces Expansion of Davidson River Drill Program and Provides Update on Private Placement and LIFE Offering

Vancouver, British Columbia–(Newsfile Corp. – October 3, 2025) – Standard Uranium Ltd. (TSXV: STND) (OTCQB: STTDF) (FSE: 9SU0) (“ Standard Uranium ” or the “ Company “) is pleased to announce a significant expansion to the planned diamond drill program at its flagship Davidson River project (“ Davidson River ” or the “ Project “) in the southwest Athabasca Basin region, northern Saskatchewan (Figure 1). The drill program will now aim to complete between 8,000 to 10,000 meters beginning in May 2026. The Company is also pleased to announce that it has closed an additional tranche (“ Tranche 3 “) of its non-brokered private placement (the “ Private Placement Offering “) for gross proceeds of $503,800.

Davidson River Highlights:

Expansion of Drill Program: Due to increased fundi