Integral Metals Provides Update on 2025 Drilling Program at the KAP Project, Northwest Territories

Drilling Campaign Highlights Promising High-Grade Intercepts and Lateral Potential

CALGARY, Alberta, Sept. 17, 2025 (GLOBE NEWSWIRE) -- Integral Metals Corp. (CSE: INTG | OTC: ITGLF | FSE: ZK9) (the “Company” or “Integral”) is pleased to provide an update on its 2025 diamond drilling program at the KAP Project, located in the Northwest Territories. The program successfully tested both the Main Showing area and the F96-05 zone, advancing the Company’s understanding of the project’s mineralized system.

The program comprised six drillholes totaling 843 metres. Three holes were completed at the Main Showing target area, where drilling targeted historical intercepts and confirmed the presence of strongly mineralized horizons at shallow depths. KAP25-001 intersected 3.55 metres of strong sphalerite mineralization within the Manetoe Facies, successfully reproducing the mineralization reported in historical drillhole 76-02. Nearby holes, KAP25-002 and KAP25-003, demonstrated variability in grade and morphology, with broader zones of moderate mineralization and narrower intervals of high-grade sphalerite, respectively. Collectively, these holes provide valuable insights into the lateral continuity and structural controls in the area.

At the F96-05 target area, three deeper holes were drilled to test the extent of a major collapse breccia unit previously identified as highly prospective for mineralization. KAP25-004 confirmed the geometry of the collapse breccia and validated earlier results, while KAP25-005 extended mineralization northward, showing continuity along the interpreted trend. KAP25-006 represented the largest step-out of the program, intercepting broad and locally semi-massive sphalerite replacement zones over more than 50 metres of core, marking one of the most promising results of the campaign.

The 2025 drilling program has successfully tested key historical results, including mineralized zones of significance, and expanded the known footprint of mineralization to the north of the Main Showing. Samples from all drillholes have been dispatched for geochemical analysis, and results will be released once available. Integral Metals is encouraged by the preliminary observations and believes the new data will play an important role in refining exploration models and guiding future drill targeting at the KAP Project.

“This year’s drilling program shows that the mineralized system at the Main Showing likely extends further than previously thought,” said Paul Sparkes, CEO of Integral Metals. “The results from the step-out hole are encouraging and highlight the growth potential of the KAP Project. We look forward to receiving the assay results and using this new information to guide the next phase of drilling.”

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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