Prismo Metals Completes Phase 1 Drill Campaign at Silver King

Vancouver, British Columbia, April 7th, 2026 – TheNewswire - Prismo Metals Inc. (the “ Company or “ Prismo ”) (CSE: PRIZ) (OTCQB: PMOMF) is pleased to provide a comprehensive update on the successful completion of its Phase I diamond drilling program at the Silver King project, located in the Pioneer Mining District near the town of Superior, Arizona. Discovered in 1875, the Silver King mine was Arizona's first and one of its most important historic silver producers, yielding nearly 6 million ounces of silver at grades of up to 61 oz/t (from historical records, non 43-101 compliant). The Silver King mine sits only 3.4 km from the main shaft of the Resolution Copper project — a joint venture between Rio Tinto and BHP and one of the world ' s largest unmined copper deposits with an estimated copper resource of 1.787 billion metric tonnes at an average grade of 1.5% copper (1) .