Green Bridge Metals Posts Robust Assay Results from Titac South, with Step-Out Drilling Set to Test Lateral Extent

Green Bridge Metals has delivered the first batch of assay data from its Phase 1 diamond drilling campaign at the Titac South project in Minnesota, confirming a broad polymetallic system that combines copper, titanium, vanadium and signs of platinum-group elements. The results put hard numbers on a mineralised zone that extends across multiple drill holes, but the market’s focus is already shifting to a pending step-out hole that could prove whether the system expands well beyond the currently defined resource footprint.

Of the six diamond core holes completed on the Titac South block within the South Contact District, assays have been received for the first three. All three intersected sulphide mineralisation hosted by oxidised ultramafic intrusions, supporting the geological model that these intrusions act as conduits for polymetallic fluids. The standout intercept came from hole TS26-003, which cut 190 metres grading 0.30% copper, 11.4% titanium dioxide and 0.13% vanadium pentoxide. Within that interval, a higher-grade zone of 14 metres returned 0.48% copper. Hole TS26-005 delivered 152 metres at 0.31% copper, 13.7% titanium dioxide and 0.15% vanadium pentoxide, while TS26-002a returned 54 metres at 0.20% copper, 9.3% titanium dioxide and 0.10% vanadium pentoxide. Ilmenite, the principal titanium-bearing mineral, was present in all intersections. The reported lengths are down-hole intervals; true widths cannot yet be determined due to the complex geology.

The Phase 1 programme was designed not only to delineate copper distribution within the known titanium resource but also to test the effectiveness of 3D VTEM inversion modelling as a targeting tool. That work, completed earlier, has already refined previous results from May 2025 and identified multiple new geophysical anomalies — including targets with coincident magnetic highs and conductive signatures that mirror the pattern of known mineralised intrusions. The company says the three remaining holes will be critical in assessing whether these anomalies correspond to extensions of the system.

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Among the pending assays is a step-out hole drilled to test a previously untested geophysical anomaly located outside the historic resource area. If successful, this hole could demonstrate that the polymetallic system extends laterally into ground that has never been drill-tested, marking a potential inflection point for the project.

The stock market has responded with caution. Shares closed on Friday at €0.12, a gain of 0.40% on the day, but that left the equity 43% below its 52-week high of €0.22 set in February. The weekly performance shows a decline of roughly 6%, tempering the euphoria from a near 50% rally the prior week. Despite the pullback, the stock has still advanced almost 95% since the start of the year.

While Titac South is generating the near-term news flow, it is not the company’s core value driver. That distinction belongs to the Serpentine copper-nickel project in St. Louis County, which hosts an inferred mineral resource of approximately 280 million tonnes grading 0.37% copper and 0.12% nickel, plus an indicated resource of 21.6 million tonnes at 0.46% copper. Green Bridge is planning a first diamond drilling programme at Serpentine for the second half of 2026, comprising six to ten holes for a total of 2,000 to 2,500 metres. Permitting is underway with the Minnesota DNR, and a preliminary economic assessment is targeted within 18 months. For now, all eyes are on the step-out assays that could reshape the Titac South story.

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