Mr. Peter Berdusco reports

CANADA ONE ANNOUNCES COMMENCEMENT OF 2026 EXPLORATION PROGRAM

Canada One Mining Corp. has commenced its 2026 exploration program at the company's flagship Copper Dome project, located adjacent to Hudbay Minerals Inc.'s producing Copper Mountain mine near Princeton, B.C.

Field crews are currently mobilized and executing phase 1 of the 2026 exploration program, which is designed to systematically advance several high-priority porphyry targets identified during the company's 2025 exploration campaign:

• At the Friday Creek target area, rock sampling returned nine samples grading greater than 0.5 per cent copper (Cu), including six overlimit grab samples ranging from 1.132 per cent to 13.35 per cent Cu.
• At the Reco prospect, two high-grade gold rock grab samples returned 9.96 grams per tonne (g/t) gold (Au), 9.62 g/t silver (Ag) and 0.78 per cent Cu (C0066670), and 8.17 g/t Au, 6.83 g/t Ag and 1.75 per cent Cu (C0066671).
• MMI soil sampling completed at the Boundary zone delineated a compelling Cu-Au corridor measuring approximately 1,000 metres (m) wide by 1,750 m long.

The 2026 program will focus on advancing these target zones through a staged exploration model, where phase 1 and phase 2 are designed to sequentially progress priority targets toward drill readiness while maintaining disciplined capital allocation and operational flexibility.

Phase 1 exploration program under way

Current field activities include:

• Detailed 1:5,000-scale geological and alteration mapping across the Boundary zone and Friday Creek targets;
• Collection of approximately 1,200 soil samples over the Friday Creek and Boundary zone areas;
• Continued prospecting and reconnaissance work at the Reco and Copper Dome South targets.

The objective of the phase 1 program is to further define and rank target areas ahead of phase 2 geophysical surveying and drill targeting.

Peter Berdusco, president and chief executive officer of Canada One, commented: "We are excited to have crews back in the field at Copper Dome as we continue advancing what we believe is a highly prospective porphyry system. Building on the 2025 grassroots exploration results from Friday Creek, Reco and the Boundary zone, we are focused on systematically advancing these targets toward drill readiness through a disciplined and methodical exploration approach."

The 2026 exploration program is being conducted by HEG & Associates, which also supported Canada One's exploration activities during the 2025 field season. HEG & Associates has been active in the Nicola porphyry belt since 2020 and specializes in porphyry exploration throughout British Columbia. Its experience within Southern British Columbia porphyry environments provides important technical continuity as the company advances the Copper Dome project.

Phase 2 program planned for fall 2026

A second phase of exploration is currently being planned for fall 2026 and will focus on subsurface targeting and drill definition. Planned activities are expected to include approximately 20 line kilometres (km) of induced polarization (IP) surveying over priority target areas, follow-up geological and alteration mapping, and drone magnetic surveys designed to support the identification of deeper porphyry-style mineralization.

About the Copper Dome project

Copper Dome is located in the lower Quesnel Trough porphyry belt, one of British Columbia's most prolific mining districts. The project directly adjoins Hudbay Minerals Inc.'s producing Copper Mountain mine to the north, which the company reports as having proven and probable reserves of approximately 367 million tonnes (t) at 0.25 per cent Cu, 0.12 g/t Au and 0.69 g/t Ag. Multiple mineralized zones have been identified across the property, with historical drilling confirming high-grade copper associated with northeast-trending structures similar to those hosting mineralization at Copper Mountain.

Copper Dome benefits from excellent infrastructure, enabling year-round access, cost-efficient exploration and a stable, low-risk jurisdiction.

Historical work completed:

• Geophysics: 51 km of induced polarization (IP); airborne magnetic and electromagnetic (EM) coverage over approximately 50 per cent of the property;
• Sampling: 2,253 soils and 378 rocks collected;
• Drilling: 8,900-plus m of diamond drilling;
• Trenching: over one km excavated.

With a multiyear drill permit in place, the company is focused on advancing Copper Dome toward drill-ready target definition.

Quality assurance/quality control (QA/QC)

All rock samples collected from the fall 2025 fieldwork program were submitted to ALS Geochemistry -- Kamloops to be analyzed for Au and PGEs (platinum group elements) (PGM-ICP24 50-gram fire assay), and multielement geochemistry, including elements Cu, Pb, Zn, Co and Ag (method ME-MS61).

Historical work

Certain technical information relating to the Copper Dome project is based on historical work and records prepared by previous operators. Work was done to the standards of the time and is considered historical in nature and is not National Instrument 43-101 compliant and cannot be relied upon. The results are listed here to show why the company is interested in this area. A qualified person has reviewed the available information for reasonableness; however, further work is required to verify portions of the historical data and future work and drilling may not repeat similar results.

Qualified person

The technical information in this news release has been reviewed and approved by Ali Wasiliew, PGeo, an independent qualified person within the meaning of National Instrument 43-101, Standards of Disclosure for Mineral Projects.

About Canada One Mining Corp.

Canada One is a Canadian junior exploration company focused on copper-the critical metal powering the global energy transition. The company advances projects from discovery through resource definition with disciplined, data-driven exploration and responsible practices. Its flagship Copper Dome project, near Princeton, B.C., targets a porphyry copper-gold system in a Tier 1 jurisdiction. Canada One aims to deliver sustainable growth and long-term value for shareholders and local communities

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