New 235-Meter Intercept Expands Major Ontario Discovery

2026-03-16 13:03:01 ET

Copper is one of the few commodities where supply-demand curves are difficult to argue with. Electrification is driving demand higher across EVs, grid infrastructure and industrial equipment, while new large-scale discoveries have become increasingly rare. Permitting timelines are stretching, capital requirements are growing and the pipeline of shovel-ready copper projects is thinner than the energy transition requires. That combination is keeping the metal firmly in focus for resource investors who want exposure to the structural demand story without the volatility of speculative plays.

Sterling Metals Corp. (TSX-Venture: SAG) (OTCQB: SAGGF) reported new positive drilling results from its Soo Copper Project in British Columbia that continue to expand the scale of the MEPS discovery area. The headline intercept from drill hole MEPS-25-20 is 235.5m grading 0.42% Cu and 0.042 g/t Au, including 32.75m grading 1.31% Cu and 0.11 g/t Au. That interval sits within a broader 346.5m zone averaging 0.39% CuEq (copper equivalent), starting from near surface, which is a geometry that matters for any future economic study.

The results come from five drill holes completed as part of Sterling's expanded 2025 program. Across the batch, the holes continue to demonstrate broad, consistent copper mineralization while also extending a high-grade bornite-rich zone first identified in September 2025. Notably, the program has now identified a new bornite-covellite zone roughly 120m northwest of that original high-grade area, suggesting copper grades may strengthen in that direction as drilling continues.

Results from nearby holes reinforce the picture of a large, continuous system. MEPS-25-19 intersected 340m grading 0.23% Cu with multiple higher-grade intervals inside it. MEPS-25-21 and MEPS-25-22 encountered additional bornite, and covellite-bearing mineralization at depth. The presence of covellite is worth flagging because it could indicate hydrothermal upgrading of copper through multiple mineralizing events, a process commonly associated with higher-tenor zones within larger porphyry systems.

Earlier this month, Sterling also reported the discovery of a copper-molybdenum mineralized porphyry stock located 1.5km from the MEPS discovery area. The find strengthens the interpretation that a larger intrusive system underlies the central portion of the license area. Management believes current drilling is vectoring toward the most mineralized upper portion of that potential porphyry complex, which, if confirmed, would represent a meaningful step-change in the project's scale.

The MEPS discovery area sits within a regional copper corridor stretching 8km, where multiple drill holes have now intersected broad mineralization along strike. With the initial phase of drilling wrapped up, Sterling plans to accelerate exploration across the corridor. A second drill rig is scheduled to mobilize in June to test new targets and expand the known footprint of the system.

SAG shares are trading at C$1.75 on the TSX-Venture, up C$0.08 or 4.8%. With a second rig arriving in June and assays still pending on additional holes, the next few months of news flow will be the real test of how deep and how wide this system runs.

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