Andina Copper Drills New Porphyry Copper System at Piuquenes North

May 28, 2026 – Vancouver, British Columbia. - Andina Copper Corp. is pleased to report that diamond drill holes PIU12 and PIU13, the first two holes designed to test the large, deep-seated low resistivity Magnetotelluric ("MT") geophysical anomaly at the Piuquenes Project North target (see News Release dated February 10, 2026 ), were completed to final depths of 992.60m and 1,235m, respectively. Both holes intersected multiple intrusive phases associated with porphyry-style copper sulphide mineralization within a newly identified intrusive complex at Piuquenes North. HIGHLIGHTS