Integral Metals Corp. Announces Completion of Soil Geochemical Dataset at the KAP Project

Latest Soil Geochemical Dataset Reveals Over 69% Zinc Anomaly at KAP

CALGARY, Alberta, Sept. 15, 2025 (GLOBE NEWSWIRE) -- Integral Metals Corp. (CSE: INTG | OTC: ITGLF | FSE: ZK9) (the “Company” or “Integral”) is pleased to announce the completion of a comprehensive soil geochemical dataset at its KAP project, focused on the Main Showing and surrounding area. This follows the completion of sample collection (see previous announcement on June 12, 2025).

The program emphasized B-horizon soils, with a total of 2,164 soil samples collected to ensure consistency and minimize surface contamination. Samples were logged for field attributes such as horizon, depth, colour, moisture, and texture, creating a dataset that integrated both geochemical and environmental context. Laboratory assays were performed for a suite of elements. Zinc and lead were prioritized, with values reported as best consolidated determinations across analytical methods. Quality assurance was maintained by inserting duplicate samples and certified reference standards, representing more than five percent of the dataset, to ensure reproducibility and analytical consistency.

Preliminary review of the data underscores the strength of the geochemical footprint at the Main Showing on the project. Zinc values ranged from a background of approximately 15 ppm to highs exceeding 69,900 ppm. Lead ranged from 7 ppm to a maximum of 20,100 ppm. Supporting pathfinder elements included cadmium, typically near 0.5 ppm but reached more than 350 ppm, and thallium, which was consistently detected above background in association with elevated lead. Barium concentrations extended up to 7,800 ppm, while strontium exceeded 1,000 ppm in certain places, suggesting variability in carbonate and barite influence.

This new dataset has established a baseline for the geochemical character of the Main Showing, and reaffirms the ability of soil sampling to detect the mineralization present on the property. The Company has now begun a detailed statistical and spatial analysis of the dataset, including assessment of multi-element relationships and anomaly clustering.

Paul Sparkes, CEO of Integral Metals, commented: “This is the most comprehensive soil survey ever completed at KAP. To see such highs for zinc and lead gives us real confidence in the scale and strength of the Main Showing. This program provides us with a solid geochemical footprint to build on, and we are excited to move forward with the detailed interpretation that will define our next round of drill targets.”

Qualified Person

The scientific and technical content of this news release has been reviewed, verified, and approved by Jared Suchan, Ph.D., P.Geo., VP of Exploration at the Company, and a “Qualified Person” as defined by National Instrument 43-101.

For a discussion of the Company’s QA/QC and data verification procedures and processes, please see the technical report entitled, Technical Report on the KAP Property, Mackenzie Mountains, Northwest Territories, Canada, a copy of which may be obtained under the Company’s profile at www.sedarplus.ca.

On Behalf of the Board Directors

Paul Sparkes

Chief Executive Officer

825-414-3163

info@integralmetals.com

ABOUT INTEGRAL METALS CORP.

Integral is an exploration stage company, engaged in the business of mineral exploration for critical minerals, including gallium, germanium, and rare earth elements, with the goal of contributing to the development of a domestic supply chain for these minerals. Integral holds properties in mining-friendly jurisdictions in Canada and the United States of America, including the Northwest Territories, Manitoba and Montana, where it has received regulatory support for its exploration efforts.

Forward-Looking Information

Certain statements contained in this press release constitute forward-looking information. These statements relate to future events or future performance. The use of any of the words “could”, “intend”, “expect”, “believe”, “will”, “projected”, “estimated” and similar expressions and statements relating to matters that are not historical facts are intended to identify forward-looking information and are based on the Company’s current beliefs or assumptions as to the outcome and timing of such future events. In particular, this press release contains forward-looking information relating to, among other things, the Company’s future plans and prospects, including with respect to further exploration work at its mineral properties.

Various assumptions or factors are typically applied in drawing conclusions or making the forecasts or projections set out in forward-looking information, including, in respect of the forward-looking information included in this press release, assumptions regarding the future plans and strategies of the Company, including its ability to complete the planned drilling program as intended.

Although forward-looking information is based on the reasonable assumptions of the Company’s management, there can be no assurance that any forward-looking information will prove to be accurate. Forward-looking information involves known and unknown risks, uncertainties and other factors which may cause the actual results, performance or achievements to be materially different from any future results, performance or achievements expressed or implied by the forward-looking information. Such factors include, among other things, the risk that the Company may be unable to complete further exploration work as planned, and that the Company’s business prospects and priorities may change, whether as a result of unexpected events, general market and economic conditions or as a result of the Company’s future exploration efforts, and that any such change may result in a re-deployment of the Company’s resources and efforts in a manner divergent from the Company’s current business plan or strategy. The forward-looking information contained in this release is made as of the date hereof, and the Company is not obligated to update or revise any forward-looking information, whether as a result of new information, future events or otherwise, except as required by applicable securities laws. Because of the risks, uncertainties and assumptions contained herein, investors should not place undue reliance on forward-looking information. The foregoing statements expressly qualify any forward-looking information contained herein.

The Canadian Securities Exchange has not reviewed, approved or disapproved the contents of this press release.

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