Vanguard Mining Announces Positive Assay Results from Redonda Copper-Molybdenum Project

Vancouver, BC — January 23, 2026 — Leads & Copy — Vanguard Mining Corp. (CSE: UUU | OTC:UUUFF | Frankfurt: SL51) has announced assay results from Phase 1 of its 2025 diamond drilling program at its Redonda Copper-Molybdenum Project in British Columbia.

The drilling program included Holes 25-01 and 25-02. The Redonda project is 100% owned by Vanguard and located approximately 40 kilometers northeast of Campbell River, in the Vancouver Mining Division.

Hole 25-01 intersected extensive copper-molybdenum mineralization over much of its length. From 3.05 m to 29.12 m (27.07 m), the weighted average was 0.3252% copper and 78 ppm molybdenum. From 37.65 m to 387.70 m (350.05 m), the weighted average was 0.244% copper and 112 ppm molybdenum.

These intercepts extend the higher-grade mineralized zone by an additional 199.05 metres, more than doubling the length of higher-grade mineralization intersected in the 2023 drilling in cross-section. Hole 25-01 reached a total depth of 510.74 metres and returned a weighted average grade of 0.1801% copper and 86 ppm molybdenum over its entire length. Lower-grade mineralization continues beyond the end of the hole, indicating the system remains open at depth.

Hole 25-02, drilled vertically and located approximately 30 metres east of the 2023 drilling, intersected from 3.05 m to 132.00 m (129.26 m), a weighted average of 0.1344% copper and 128 ppm molybdenum. The company says these results demonstrate that copper-molybdenum mineralization at Redonda is laterally and vertically extensive in cross-section.

According to the release, a valid drill permit is currently in place, allowing for continued drilling at the Project during the 2026 exploration season.

Samples were submitted to ALS Canada Ltd. for geochemical analysis. Industry-standard quality assurance and quality control protocols were employed, including the insertion of certified reference materials and blanks at regular intervals within the sample stream.

CEO of Vanguard Mining Corp., David Greenway, commented that the drilling successfully expanded the mineralized system, confirming continuity and scale. Greenway added that as copper demand continues to grow, these results reinforce the belief that Redonda has the potential to host a large copper-molybdenum system.

The 2025 drill program was guided by targets and structural corridors interpreted from a previously announced airborne geophysical survey conducted by Precision GeoSurveys, Inc., integrated with historical drilling and surface sampling data.

Historical drilling at Redonda intersected intervals of up to 142.6 metres grading 0.279% Cu and 0.0281% Mo, while surface sampling returned near-surface intervals ranging from 3.1 metres to 48 metres grading up to 0.529% CuEq, as reported by Stamper Oil & Gas Corp. on January 25, 2024. Vanguard notes that these results are historical in nature and should not be relied upon as an indication of current mineral resources or mineral reserves.

Vanguard has also announced it is working in close collaboration with the Klahoose First Nation, prioritizing local labor, training opportunities, and the use of Klahoose-affiliated service providers for logistics. The company is maintaining ongoing engagement, including regular updates on work plans and timelines, incorporation of feedback into field operations, and adherence to cultural heritage protocols and environmental best practices within Klahoose Traditional Territory.

The Redonda Project comprises nine mineral claims totaling 2,746.46 hectares, located approximately 40 kilometres northeast of Campbell River, British Columbia. The property is accessible year-round via scheduled barge service from Campbell River. According to the company, drilling completed in fall 2025, including Hole 25-01, confirms that copper-molybdenum mineralization associated with the hornblende dike extends to significant depths and thicknesses in cross-section.

Field work has been conducted under a Letter of Support from the Klahoose First Nation within their Traditional Territory, together with a Free Use Permit, Drill Permit, and IP Exemption issued by the Ministry of Energy, Mines and Low Carbon Innovation. Consultation with the Homalko First Nation has concluded, and a permit for additional drill sites has been issued.

Quality assurance and quality control (QA/QC) procedures included the insertion of certified reference materials, blanks, and preparation duplicates into the sample stream. QA/QC samples were submitted to ALS Laboratories as blind samples. Analytical results demonstrate acceptable accuracy and precision.

Core samples were prepared using ALS method PREP-31A, which includes crushing and pulverizing to produce a representative pulp. Multi-element analyses, including copper and molybdenum, were performed using four-acid digestion with ICP-MS (ME-MS61). Samples returning over-limit copper values were re-analyzed using ore-grade four-acid digestion with ICP-AES (Cu-OG62), and over-limit multi-element values were determined using ME-OG62.

J. T. Shearer, M.Sc., D.I.C., P.Geo., a consulting geologist, has reviewed and approved the scientific and technical information contained in the release.

Vanguard Mining Corp. is a Canadian mineral exploration company focused on the discovery and development of high-value strategic minerals. The Company is currently advancing exploration projects in Argentina, Canada and Paraguay.

Source: Vanguard Mining Corp.