Drilling Intersects Anomalous Radioactivity 1km East of Tetra Zone

Kelowna, British Columbia–(Newsfile Corp. – October 21, 2026) – F3 Uranium Corp. (TSXV: FUU) (OTCQB: FUUFF) (“F3” or “the Company”) is pleased to provide an update on three drill holes completed as part of its 2026 summer exploration program at the 100% owned Patterson Lake North Project (“PLN”) in the Western Athabasca Basin. The three holes are located between 1 km to 1.6 km to the east, southeast and south of the Tetra Zone “Tetra” discovery on the Broach Lake property (see Map 1). While…