STLLR Gold Intersects 10.10 g/t Au over 5.57 m, 2.55 g/t Au over 19.70 m and 3.37 g/t Au over 14.53 m at the Jonpol Deposit of the Tower Gold Project

Toronto, Ontario--(Newsfile Corp. - May 21, 2026) - STLLR Gold Inc. (TSX: STLR) (OTCQX: STLRF) (FSE: O9D) ("STLLR" or the "Company") reports additional assay results from its 2026 drilling program at the Jonpol Deposit ("Jonpol") at the Garrison Property of the Tower Gold Project ("Tower" or the "Project") in the Timmins Mining Camp in Ontario, Canada. Table 1: 2026 Jonpol Deposit Drilling Highlights: Zone Hole ID Assay Result Jonpol MGA26-265 10.10 g/t Au (uncut)/6.68 g/t Au (cut) over 5.57 m (3.68 m TT) & 2.55 g/t Au (uncut)/2.35 g/t Au (cut) over 19.70 m (13.01 m TT) (including 20.22 g/t Au (uncut)/18.07 g/t Au (cut) over 1.84 m (1.22 m TT) Jonpol MGA26-262 3.37 g/t Au (uncut)/3.35 g/t Au (cut) over 14.53 m (10.25 m TT)(including 10.60 g/t Au over 0.36 m (0.25 m TT) & 9.10 g/t Au (uncut)/9.03 g/t Au (cut) over 4.55 m (3.21 m TT) Jonpol MGA26-264 2.07 g/t Au over 19.00 m (11.19 m TT)(including 12.11 g/t Au over 2.25 m (1.33 m TT)) & 1.85 g/t Au over 18.00 m (10.53 m TT) "g/t Au" = grams per tonne gold; "m" = metres; "TT" = True Thickness   "We continue to deliver high-grade, near-surface results at Jonpol, demonstrating its upside potential as a significant value-driver for the Tower Gold Project," said Keyvan Salehi, P.Eng.