Powermax Minerals Identifies Priority Rare Earth Element Targets at the Hopkins REE Project, Ontario

Toronto, Ontario--(Newsfile Corp. - June 11, 2026) - Powermax Minerals Inc. (CSE: PMAX) (OTCQB: PWMXF) (FSE: T23) ("Powermax" or the "Company") is pleased to announce that it has received a desktop study for its Hopkins Rare Earth Element ("REE") Project located in the Cochrane District of northeastern Ontario. The desktop study evaluated publicly available geological, geophysical, geochemical and historical exploration datasets to assess REE prospectivity and establish priorities for future field programs on the Hopkins REE tenements.

The desktop study was prepared for Powermax by Shahab Tavakoli, P.Geo., Geophysicist and Geospatial Data Scientist, and focused on exploration targeting across Blocks A and B of the Hopkins REE Project. The work integrated whole-rock geochemical data with regional airborne magnetic and radiometric surveys acquired by the Ontario Geological Survey over the Smooth Rock Falls area, along with gravity data and historical exploration information for the Clay-Howells alkalic intrusive complex..

The Hopkins REE Project comprises 13 mineral claims organized into two claim blocks covering approximately 6,145 hectares. Block A consists of 11 contiguous claims covering approximately 5,479 hectares, while Block B consists of two claims covering approximately 666 hectares on the east side of the Mattagami River. The Project is located approximately 45 kilometres north-northeast of Kapuskasing, within the Porcupine Mining Division, and is situated in the highly prospective based on the datasets reviewed, "the Kapuskasing Structural Zone", a regional corridor reported to host REE-bearing alkaline intrusions.

Desktop Study Highlights

• The study identifies Block A as Priority #1 and Block B as Priority #2 for follow-up REE exploration.
• Block A hosts five priority target areas (A1 through A5), where clusters of high-prospectivity cells coincide with major structural features interpreted from the magnetic tilt derivative. Area A1, located on the north bank of the Kapuskasing River in southern Block A, is interpreted as the highest-ranked target generated by the desktop study, and is recommended for detailed rock sampling, structural mapping and possible soil geochemistry.
• Block B contains two target zones, identified as B1 and B2, along the intrusive margin where ENE-trending structures support moderate but localized REE potential.
• The Weight-of-Evidence (WofE) model indicates that REE prospectivity is highest where strongly anomalous TREO values align with elevated Th/K, elevated U/K, variable Th/U, high gravity responses, and positive extrema in the magnetic tilt derivative (TDR). These coincident geophysical and geochemical signatures highlight magnetite- and iron-rich structural or lithological zones considered favourable for REE mineralization.
• The study supports a margin- and structure-controlled REE exploration model, where late-stage carbonatitic and metasomatic processes may have focused REE enrichment along intrusion margins, internal breaks and structural corridors.

Priority Target Areas

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