TORONTO, ON / ACCESS Newswire / June 17, 2026 / Sterling Metals Corp. (TSXV:SAG)(OTCQB:SAGGF) ("Sterling" or the "Company") is pleased to report assay results from the first six holes of it 2026 drilling program at the Soo Copper Project ("Soo Copper" or the "Project") located near Batchewana Bay, Ontario. These results continue to demonstrate the scale and continuity of the Soo Copper system at the MEPS Discovery ("MEPS"), expanding the footprint of copper mineralization, confirming a copper bearing, multi-phase porphyry stock across a 1.4-kilometre corridor (Figure 1), and identifying a new higher grade molybdenum zone at depth.

Highlights

Broad intervals of near surface mineralization returned:

503.9m of 0.26% CuEq (0.14% Cu, 0.05 g/t Au, 0.64 g/t Ag, 177.4 ppm Mo) from 3.1m depth in SC-26-04;

289.5m of 0.26% CuEq (0.2% Cu, 0.03 g/t Au, 0.97 g/t Ag, 50.9 ppm Mo) from 3.5m depth in SC-26-05; and