Aftermath Silver Ltd. has reported that its Pre-Feasibility Study for the flagship Berenguela silver-copper-manganese project in southern Peru remains on schedule and on budget for publication in early 2027.

As of July 2026, Aftermath has completed 4,002 metres of its third diamond drilling campaign at the main Berenguela resource. The program focuses on exploring untested areas in the east and southeast zones, upgrading indicated resources to measured status in western and central domains, defining northern mineralisation extensions, and collecting bulk samples for metallurgical testwork. Geotechnical and hydrogeological drilling is also underway to support future mine design and permitting.

At the Challacollo silver-gold project in northern Chile, Aftermath has completed five diamond drill holes totalling 630 metres, testing the Lolon and Lucy veins. The company holds a 100% interest in Challacollo through an agreement with Mandalay Resources and is now expanding the current drill program to 2,000 metres.

“With key exploration and geotechnical drilling underway we expect a busy next rew months at Aftermath. I am please to report that our Prefeasability Report for the Berenguela project is on schedule and on budget. At Berenguela, we are currently doing follow up drilling on the previous high-grade copper intersections in the eastern zone and expect to be drilling the prospective South-West Skarn Intrusive target shortly. We are also completing a 9-hole geotechnical drilling program designed to feed into the Prefeasability Study which is due Q1, 2027. At the Challacollo Silver Property in Chile we are drilling to test depth and lateral extensions to the main Lolon vein and to verify the potential of the Lucy vein to the west. We will be extending the drill program at Challacollo.”

— Ralph Rushton, President and CEO

The ongoing exploration and technical programs at both projects support the company's broader development pipeline across its South American asset base.

Read the full announcement: Aftermath Silver Berenguela & Challacollo Project Updates