South Pacific Metals

Windfall Geotek to Deploy AI System for Copper Porphyry Targeting on Prismo Metals' Hot Breccia Property in Arizona

Brossard, Quebec - TheNewswire - August 18, 2025 – Windfall Geotek (CSE: WIN, OTCQB: WINKF), a mining and technology services company and a leader in the application of Artificial Intelligence (AI) for mineral exploration since 2005, is pleased to announce that it has been engaged by Prismo Metals Inc. to apply its proprietary AI System to the Hot Breccia property in Arizona, with a contract valued at $80,000. The Hot Breccia Property covers an area of approximately 1,420 hectares (14.2 km²) and is located nearby from past-producing Christmas mine, a porphyry copper skarn deposit hosted by the same Laramide dike swarm and within the same Paleozoic sedimentary rocks as those found at Hot Breccia.

Highlights of AI System Analysis on the Hot Breccia Property

  • Application of Windfall’s AI System focused on identifying porphyry copper signature. 

  • Integration of geophysical data (Mag EM), topography data (DEM) and drillhole data provided from Prismo Metals databases. 

  • Digitized Christmas Copper Deposit Mine ((0.60 sq/km @ 5000 ppm Cu) 

  • A comprehensive CopperPorphyry Target AI Driven Model was developed: 

Figure 1: Prismo Metals Hot Breccia property in Arizona, USA (52,76 sq/km)Junior Mining Network

Executive Comments

Alain Lambert, CEO of Prismo Metals, commented: “The copper exploration target at Hot Breccia has geophysical, geochemical and geological features characteristic of many porphyry copper deposits located in the famous Arizona copper belt. The project area has a regional setting similar to BHP-Rio Tinto's Resolution copper deposit located 40 kilometers to the northwest of Hot Breccia which is considered to be one on the greatest copper discoveries in the history of North American mining,” said Alain Lambert, CEO of Prismo. “We remain committed to advancing our Hot Breccia copper project and we believe this collaboration with Windfall Geotek will greatly enhance our understanding of its geological setting and further validate our drill targets.””

Michel Fontaine, President & CEO of Windfall Geotek, stated: “After 20 years of leveraging AI for mineral exploration, the mining sector is finally embracing innovative digital technologies to reduce environmental impact and increase discovery success. Our AI system can reduce the footprint of exploration targets by 98–99%. This is what we call 'Digital Exploration.' If you trust your data, you should trust our AI. Let the data speak for itself. The best place to find a porphyry is near another porphyry. Using AI, we extract the digital signature of the nearby historic Christmas Mine and then score every cell across Prismo Metals’ Hot Breccia property to identify similar geological patterns.”

About Hot Breccia

The Hot Breccia property consists of 1,420 hectares in 227 contiguous mining claims located in the world class Arizona Copper Belt between several very well understood world-class copper mines including Morenci, Ray and Resolution. Hot Breccia shows many features in common with these neighboring systems, most prominently a swarm of porphyry dikes and series of breccia pipes containing numerous fragments of well copper-mineralized rocks mixed with fragments of volcanic and sedimentary derived from considerable depth. Prismo performed a ZTEM survey last year that identified a very large conductive anomaly directly beneath the breccia outcrops.  

Sampling at the project has shown the presence of copper mineralization associated with polylithic breccia pipes that transported fragments of strongly mineralized carbonate rocks to the surface from depths believed to be 400-1,000 meters. Drilling deep holes is necessary to tap into the source of these mineralized fragments found at surface.

Qualified Person

The scientific and technical content in this news release has been reviewed and approved by Grigor Heba, Ph.D., P.Geo., Chief Geologist at Windfall Geotek, and a Qualified Person as defined by National Instrument 43-101.

About Prismo Metals Inc.

Prismo Metals Inc. (CSE: PRIZ; OTCQB: PMOMF; FSE: 7KU) is a mining exploration company focused on three silver projects (Palos Verdes, Silver King and Ripsey) and a copper project in Arizona (Hot Breccia).

About Windfall Geotek

Windfall Geotek Inc. is an Artificial Intelligence company with over 20 years of experience developing its proprietary AI and Data Mining Technologies for mineral exploration and other applications. The company combines geophysical, geological, drillhole, and surface data to identify high-probability targets. Windfall has contributed to numerous discoveries and continues to innovate, including in landmine detection applications. Learn more at: https://windfallgeotek.com

For further information, please contact:

Michel Fontaine

Founder, President & CEO

Telephone: 514-994-5843

Email: This email address is being protected from spambots. You need JavaScript enabled to view it.

Website: www.windfallgeotek.com

Additional information about the Company is available under Windfall Geotek’s profile on SEDAR at www.sedar.com. Neither the TSX Venture Exchange nor does its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accept responsibility for the adequacy or accuracy of this release.

FORWARD LOOKING STATEMENTS This news release may contain forward‐looking statements. Forward looking statements are statements that are not historical facts and are generally, but not always, identified by the words “expects”, “plans”, “anticipates”, “believes”, “intends”, “estimates”, “projects”, “potential” and similar expressions, or that events or conditions “will”, “would”, “may”, “could” or “should” occur. Although the Company believes the expectations expressed in such forward‐looking statements are based on reasonable assumptions, such statements are not guarantees of future performance and actual results may differ materially from those in forward looking statements. Forward‐looking statements are based on the beliefs, estimates and opinions of the Company’s management on the date such statements were made. The Company expressly disclaims any intention or obligation to update or revise any forward‐looking statements whether as a result of new information, future events or otherwise. Neither TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of TSX Venture Exchange) accepts responsibility for the adequacy of accuracy of this release

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