F3 Hits 3.0m of 1.19% U3O8 at Tetra Zone

Kelowna, British Columbia--(Newsfile Corp. - March 31, 2026) - F3 Uranium Corp. (TSXV: FUU) (OTCQB: FUUFF) ("F3" or "the Company") is pleased to announce final assay results of the 2025 Tetra Zone drill program on the Broach Property including PLN25-219A (See NR November 10, 2025 and January 13, 2026) which returned a main mineralized interval of 13.0m of 0.28% U 3 O 8 , including three high grade sections with 3.0 m of 1.19% U 3 O 8 from 396.5 to 399.5m, 0.5m of 1.07% U 3 O 8 from 404.0 to 404.5m and 1.0m of 1.60% U 3 O 8 from 406.5 to 407.5 m. Sam Hartmann, Vice President Exploration Comment: "We are pleased to release the final assays for Tetra Zone from the Fall 2025 program.