Andina Copper Intersects 126 m at 0.46% Cu, 0.53 g/t Au, 2.14 g/t Ag within wide Cu-Au-Ag Interval at Piuquenes East

March 17, 2026 – TheNewswire - Vancouver, British Columbia. Andina Copper Corp. (TSX-V:ANDC) (FSE:FIR) (OTCQB:PMMCF) is pleased to report a wide intercept of copper-gold-silver mineralization at Piuquenes East that significantly expands the vertical extent of the mineralized envelope and confirms increasing gold grades and intensity of porphyry stockwork veining laterally and to depth. Drill hole PIU09, only the third drilled at Piuquenes East, intersected a broad, continuous interval of copper–gold mineralization hosted within strongly veined, dioritic porphyry with intense sericitic alteration overprinting potassic, confirming the presence of a new vertically extensive gold-rich porphyry Cu–Au–Ag system within the Piuquenes-Altar cluster