Vulcan Minerals Inc. - Colchester Copper-Gold Update in Central NewfoundlandST. JOHN'S, NL / ACCESS Newswire / November 13, 2025 / Vulcan Minerals Inc. ("the Company" - "Vulcan") (TSXV:VUL), provides an update on the Colchester project with a review of historical drilling and compilation incorporating the most recent drilling results. A compilation of historic drilling highlights for the Colchester project includes up to 39.97 meters of 1.03% copper and 15.8 meters of 2.19% copper. A property review is also presented including the Little Bay project.The McNeily drill program (part of the Colchester Project) carried out in late 2024 is reviewed and incorporated into the compilation. Highlights are as follows:5.2 meters of 1.01% copper in hole CL-24-19 within a wider 13.7 meters of 0.48% copper2.5 meters of 1.26% copper in hole CL-24-175.3 meters of 0.52% copper and 0.91 grams per tonne gold including 0.4m of 0.78% copper and 5.02 grams per tonne gold in hole CL-24-18A total of 718 meters (m) were drilled over 5 holes designed to test Induced Polarization (IP) anomalies from the 2024 survey and expand the known volcanic massive sulphide copper-gold mineralization to the southwest of previous drilling. The program has extended mineralization 150 meters southwest of historic drilling for an overall zone strike length of approximately 450 meters which remains open.Stringer disseminated and locally semi-massive sulfide zones were encountered containing chalcopyrite with variable associations of pyrite, pyrrhotite and minor sphalerite. Mineralization is associated with chalcopyrite within sheared and chloritized mafic volcanic rocks.The drill program successfully tested the potential eastern limits of the McNeily zone south of hole CL-23-13 (Vulcan 2023 hole) which returned the following results:HOLE ID From (m) To (m) Length (m) Type Cu % Au g/t CL-23-13 8 23 15 Composite 1.21 0.51 Including 11 17.75 6.75 Composite 2.38 1.01 CL-24-17Hole CL-24-17 was drilled to a length of 173m and targeted the eastern flank of the southern IP anomaly. Chalcopyrite is present as stringers and semi-massive zones within intense chlorite altered shear zones. Notable intersections include a 1m sample containing 3.25 g/t Au and an interval averaging 4.55m of 0.85% Cu with 0.5 g/t Au including 2.5m containing 1.26% Cu and 0.41 Au.HOLE IDFrom (m)To (m)Length (m)TypeCu %Au g/tCL-24-17116.651203.35Composite0.770.24CL-24-17126.5127.51Sample0.033.25CL-24-17139.25143.84.55Composite0.850.50Including139.25141.752.5Composite1.260.41CL-24-18CL-24-18 was drilled approximately 50m southeast of CL-24-17 to a length of 140m. This hole was designed to test the vertical extent of mineralization encountered in CL-24-17. Chalcopyrite is present as stringers and semi-massive zones within intense chlorite alteration. Significant results include 5.3m of 0.52% Cu and 0.91 g/t Au, a 0.4m sample containing 0.78% Cu and 5.02 g/t Au, as well as a 9m section averaging 0.86 g/t Au including 3m of 1.25 g/t Au.HOLE IDFrom (m)To (m)Length (m)TypeCu %Au g/tCL-24-1851.556.85.3Composite0.520.91CL-24-186060.40.4Sample0.785.02CL-24-1885949Composite0.060.86Including85883Composite0.141.25CL-24-19Hole CL-24-19 was drilled between CL-24-15 and CL-23-13 to a length of 143m. This hole targeted a potential offset of the zone to the southeast. Drilling encountered abundant chalcopyrite stringer zones associated with chloritized shear zones and faults. Significant intersections contained 13.7m of 0.48% Cu, including 5.2m of 1.01% Cu.HOLE IDFrom (m)To (m)Length (m)TypeCu %Au g/tCL-24-1991.2104.913.7Composite0.480.05Including91.296.45.2Composite1.010.06CL-24-15 and Cl-24-16These holes encounteredzones of shearing, chlorite alteration and sulfides as pyrite with minor chalcopyrite in stringers. Discontinuous lower grade (less than 0.4%) copper and anomalous gold grades were encountered over a gross interval from 68.5m to 84.5m length in CL-24-15 and over a gross interval from 90.9m to 123m length in CL-24-16.Notes:True widths are uncertain but are interpreted to be close to drilled thicknesses, though more drilling is required to confirm the exact orientation of the mineralized zones. The tables summarize composited assay intervals described for the reported holes. These intervals are length-weighted averages of core-thickness intervals. Only assayed intervals were included in the composites. A total of 270 samples were cut and submitted for assay. Significant assays are reported herein, remaining samples represent lower grade sampling in envelopes around the mineralized zones and additional samples without significant mineralization taken for stratigraphic-correlation purposes.Drill Hole Coordinates:HOLE IDEastNorthAzimuthDipLengthCL-24-155659745498040135-60128CL-24-165659425498004135-50134CL-24-175658675497934135-50173CL-24-185658945497916135-50140CL-24-195660115498081135-50143Coordinates are UTM NAD83 Zone 21Map of McNeily zone drilling and IP anomaly. President Patrick Laracy no