New High-grade Lithium, Caesium, and Tantalum Pegmatite Discoveries in Surface Exploration Works

PMET's premier James Bay - Quebec geology delivers further exploration success with 2.94% Li2O, 16.43% Cs2O, and 3,768ppm Ta2O5 in surface samples at its Pontois, Shaakichiuwaanaan, and Pontax properties, respectively. MONTREAL, June 2, 2026 /PRNewswire/ - June 3, 2026 – Sydney, Australia HIGHLIGHTS New high-grade caesium pegmatite discovery ("Cosma") situated ~22 km west of the cornerstone CV5 Pegmatite Deposit on the Shaakichiuwaanaan Property: Outcrop grab assay of 9.42% Cs2O and 267 ppm Ta2O5.