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Powermax Minerals Inc. (CSE: PMAX) (OTCQB: PWMXF) Identifies High-Priority Rare Earth Targets at Ontario’s Hopkins Project as Global Demand for Critical Minerals Accelerates
June 18, 2026

Powermax Minerals Inc. (CSE: PMAX) (OTCQB: PWMXF) Identifies High-Priority Rare Earth Targets at Ontario’s Hopkins Project as Global Demand for Critical Minerals Accelerates

Disseminated on behalf of Powermax Minerals Inc. (CSE: PMAX) (OTCQB: PWMXF) and may include paid advertising.

  • Powermax Minerals has completed a desktop study identifying multiple high-priority rare earth element (“REE”) exploration targets at its Hopkins REE Project in northeastern Ontario.
  • The study integrated geological, geophysical, geochemical, and historical datasets to define structurally controlled areas that may host REE mineralization.
  • Powermax plans a phased exploration program including mapping, sampling, airborne surveys, and potentially drilling, subject to exploration results and permits.
  • The company continues to build a North American portfolio of rare earth assets across Canada and the United States as rise in demand for REEs used in electric vehicles, renewable energy systems, and defense technologies, drives growing call for domestic critical mineral supply chains.

Powermax Minerals (CSE: PMAX) (OTCQB: PWMXF), a Canadian mineral exploration company focused on rare earth projects, has identified several priority exploration targets at its Hopkins Rare Earth Element Project in Ontario following completion of a comprehensive desktop study designed to guide future field activities (https://nnw.fm/mIHT1) (https://ibn.fm/VTpDs).

The study provides a technical framework for the next phase of exploration at the Hopkins property, highlighting multiple areas where geological, geochemical, and geophysical indicators converge to suggest potential for rare earth element mineralization.

Prepared by geophysicist and geospatial data scientist Shahab Tavakoli, P.Geo., the study evaluated publicly available geological information, airborne magnetic and radiometric surveys from the Ontario Geological Survey, gravity data, and historical exploration records covering the Clay-Howells alkaline intrusive complex.

The Hopkins REE Project consists of 13 mineral claims covering approximately 6,145 hectares in Ontario’s Cochrane District, roughly 45 kilometres north-northeast of Kapuskasing. The property lies within the Kapuskasing Structural Zone, a geological corridor that hosts rare earth-bearing alkaline intrusive systems and has attracted interest for critical mineral exploration.

The analysis ranked Block A of the property as the highest-priority area for follow-up work. Within Block A, five target zones designated A1 through A5 were identified as areas where favorable structural features coincide with anomalous geochemical and geophysical signatures.

Target A1, located along the northern bank of the Kapuskasing River in the southern portion of Block A, received the highest ranking in the study. The target is interpreted as an area where favorable geological structures overlap with indicators associated with REE mineralization. Recommended follow-up activities include detailed geological mapping, rock sampling, and potential soil geochemistry to better define the extent of the target corridor.

Block B was ranked as the project’s second-priority exploration area. Two targets, B1 and B2, were identified along the margin of the intrusive complex where east-northeast trending structures are interpreted to support localized rare earth potential.

The study utilized a Weight-of-Evidence model to assess REE prospectivity by examining the relationship between historical total rare earth oxide values and geophysical signatures, including elevated thorium-to-potassium ratios, uranium signatures, gravity responses, and magnetic anomalies. The combined data suggests that rare earth mineralization may be controlled by structural pathways and late-stage alkaline and carbonatitic geological processes. However, the findings remain preliminary, with no current mineral resource estimate.

To advance the project, Powermax intends to undertake a phased exploration program, subject to funding, permitting, seasonal conditions, and final program design. Planned work includes airborne magnetic, very low frequency (“VLF”), and radiometric surveys, along with geological mapping, prospecting, targeted rock sampling, soil geochemistry, and ground verification of identified anomalies. Future trenching or drilling may be considered depending on exploration results.

Chief Executive Officer Paul Gorman said the study provides the company with a structured approach for evaluating the property and prioritizing the strongest targets for field verification.

The Hopkins project represents one component of Powermax’s broader strategy of developing a portfolio of rare earth assets in North America. In addition to Hopkins, the company holds options to acquire interests in the Cameron REE Project in British Columbia and the Atikokan REE Project in Ontario, and holds a 100% interest in the Ogden Bear Lodge Project in Wyoming.

Global demand for rare earth elements is expected to increase substantially over the coming decade as electrification and renewable energy deployment accelerate. At the same time, concerns about supply chain concentration remain a strategic issue because China currently dominates a significant portion of global rare earth mining and processing capacity. This supply imbalance has prompted governments in North America and other regions to call for the development of domestic critical mineral projects. In the United States, initiatives including the Defense Production Act have been used to encourage investment in rare earth supply chains through grants, financing support, and strategic procurement programs.

For more information, visit the company’s website at www.PowermaxMinerals.com.

NOTE TO INVESTORS: The latest news and updates relating to PWMXF are available in the company’s newsroom at https://ibn.fm/PWMXF

Exploration Target Cautionary Statement

The exploration targets discussed are conceptual, and there is currently not enough data to confirm a mineral resource. Further exploration may not yield successful results.

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