Prismo Metals Reports 4,811 g/t Silver and Confirms Deep Porphyry Copper Potential Beneath Historic Silver King Mine, near Resolution Copper in Arizona

About this update from Prismo Metals Inc.

(via TheNewswire)   Phase I drilling confirms extensive unmined bonanza-grade silver mineralization Hole SK-26-07 intersects potassic alteration with increasing copper values consistent with vectoring toward a potential porphyry copper source Vancouver, British Columbia – TheNewswire - June 15, 2026 – Prismo Metals Inc. (the “Company” or “Prismo”) (CSE: PRIZ) (OTCQB: PMOMF) is pleased to provide the results of the Phase I drill program at its Silver King project, located in the Superior (Pioneer) Mining District near the town of Superior, Arizona which consisted of eight holes for a total of 1,272 meters. Highlights of the Phase I drill program include multiple bonanza-grade silver intercepts, highlighted by hole SK-26-08, which returned 2.3 m (7.4 feet) grading 1,452 g/t Ag, 1.6 g/t Au and 1.9% Cu, including 0.4 m at 4,811 g/t Ag, 4.6 g/t Au, 5% Cu and 3% Pb. Several additional high-grade to bonanza-grade silver intervals (500 – 1,000+ g/t Ag) were intersected across the program, including 2.7 m (9.0 feet) @ 557 g/t Ag in SK-26-06 and 1.2 m (4 feet) @ 517 g/t Ag in SK-26-01. (1) Alain Lambert, CEO of Prismo stated: “The two objectives of our first phase of drilling were squarely met, namely: 1- we confirmed that the upper portion of the pipelike mineralized body is largely unmined and retains additional exploration potential, and 2- hole SK-26-07 showed a transition to copper mineralization at depth similar to the nearby Silver Queen mine that later became the Magma mine.” Dr. Craig Gibson, Chief Exploration Officer of the Company, stated, “The drilling in this initial program was relatively widely spaced considering the footprint of the pipelike mineralized body.  Maps of historical underground workings were used for drill hole planning. Holes were drilled at varying orientations to better determine the boundaries of the mineralization.  The historic maps appear to be reasonably accurate.” Dr. Gibson continued, “Several holes cut relatively wide intervals of greater than 10 meters with multi-ounce silver values.  Higher gold values were reported from hole SK-08, the only shallow hole that was drilled westerly, providing a target for additional drilling in the western portion of the mineralized body.” Dr. Linus Keating, Special Advisor commented: “I’m impressed that Silver King's potential seems to improve as we collect and integrate ...

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