Copper Fox Metals reports more mineralized intervals at the Van Dyke ISCR Project, Arizona

Copper Fox Metals Inc. [TSXV: CUU; OTCQX: CPFXF; FSE: HPU], through its wholly owned subsidiary, Desert Fox Van Dyke Co., reported the final analytical results from the previously announced historical diamond drill core sampling program.

The Van Dyke in-situ copper recovery (ISCR) project is 100%-owned by Copper Fox and is located in the Globe-Miami Mining District, Gila County, Arizona.

The program was designed to further define the limits of total soluble copper (TSCu) mineralization and the mineralogical domains within the Van Dyke copper deposit.

This news release reports analytical results for 18 drill holes, 15 of which returned intervals exceeding the TSCu cutoff of 0.025% (ASCu% + CNCu%) used in the 2020 mineral resource estimate (MRE). Analytical results have now been received for all 29 drill holes included in the 2026 core sampling program.

Highlights: DDH M-2 returned a 53.80-metre core interval (272.19 m to 325.98 m) averaging 0.543% total copper (TCu) and 0.416% TSCu, including a 34.60-metre interval averaging 0.725% TCu and 0.592% TSCu.

DDH OXY-46 returned a 74.60-metre core interval (286.51 m to 361.19 m) averaging 0.273% TCu and 0.223% TSCu, including a 19.51-metre interval averaging 0.518% TCu and 0.453% TSCu.

Completion of the preliminary 3D groundwater flow model for the Bloody Tanks Wash drainage basin has materially advanced the company’s understanding of the Van Dyke project hydrogeology.

Work on the updated PEA is progressing across resource estimation, cost modelling, engineering, geotechnical, water treatment and hydrogeological studies.

Ground water monitoring indicates water quality parameters, water level measurements, analytical results and VWP data are consistent with that observed in previous quarters.

Elmer B. Stewart, President and CEO of Copper Fox, stated, “The positive results from the drill core sampling program have expanded the limits of the total soluble copper envelope at the Van Dyke copper deposit and could influence the updated mineral resource estimate, a critical component of the revised PEA. An updated mineral resource and improved definition of the mineralogical domains are important to optimizing the underground access concept and wellfield layout in support of the proposed leach operation.”

Completion of the updated PEA will provide a current technical assessment of the project and evaluate potential development scenarios to support a robust business case for advancing the project to the Preliminary Feasibility Study (PFS) stage. The PEA is assessing underground access alternatives to optimize future wellfield design and projected copper production, as well as infrastructure, water treatment, energy requirements and process design configurations, which will form the basis for estimating initial capital, operating and sustaining costs.

Once completed, these inputs are expected to support updated pre-tax and post-tax economic models for the project. The PEA is also expected to identify data gaps that will help guide future programs, enhancement opportunities and inform the technical work plan and permitting strategy required to advance the Van Dyke project to the PFS stage.

Of the 29 drill holes sampled in 2026, 21 returned TSCu concentrations exceeding the 0.025% cutoff used in the 2020 mineral resource estimate. The analytical results of primary economic interest are acid soluble copper (ASCu) and, to a lesser extent, cyanide soluble copper (CNCu).

The weighted average grades for the mineralized intervals presented in Table 1 were calculated using a 0.025% ASCu cutoff. Intervals containing ASCu values below the cutoff over lengths of five metres or less, (including missing samples), were included in the weighted average grade calculations. CNCu weighted averages are presented for information purposes.

All drill holes discussed are vertical (inclined at -90º dip), and each has an azimuth of zero (0º). True thickness and widths of mineralization are currently unknown.

The analytical results from drill holes M-2 and OXY-46 increase drill hole sampling density and returned TSCu concentrations consistent with other previously sampled drill holes in this higher-grade portion of the Van Dyke copper deposit. Overall, the 2026 sampling program was successful in filling analytical gaps, extending low-grade TSCu mineralization at depth, and improving the definition of the Oxide, Transitional and Sulphide mineralogical domain boundaries within the Van Dyke deposit.

Hydrogeology Studies: The preliminary groundwater flow model for the Bloody Tanks Wash drainage basin is currently in the calibration stage. Early results have significantly improved the company’s understanding of the hydrogeological controls affecting the Van Dyke project and indicate that local groundwater flow may be influenced by historical mining activity in the Miami-Globe Mining District.

Q1-2026 Ground water Monitoring: Results for the Q1-2026 monitoring data including field water quality parameters, water level measurements and analytical results are consistent with that observed in previous quarters. VWP data showed consistent responses with past quarters, with no seasonal patterns evident. Additional monitoring locations are planned in subsequent quarters to expand the water quality dataset and improve the understanding of groundwater flow and recharge dynamics for the Van Dyke project.

Copper Fox and its subsidiaries own 100% of the Van Dyke ISCR project, a development-stage, potential near-term, mid-sized copper project, and a 25% interest in the Schaft Creek Joint Venture with Teck Resources Limited (75% interest and operator), which hosts the Schaft Creek copper-gold-molybdenum-silver project in northwestern British Columbia’s Golden Triangle. In addition, Copper Fox owns 100% of the resource-stage Eaglehead polymetallic porphyry copper project in northwestern British Columbia, as well as the Sombrero Butte and Mineral Mountain advanced-stage porphyry copper exploration projects located in Arizona’s prolific Laramide-age copper province.