Calcatreu Project construction resumes and reaches key leaching milestone

Construction work at the Calcatreu Project resumed on January 5, 2026, and about 40,000 tonnes of mineralized material have been stockpiled; preparations for leaching and completion of the CIC circuit are reported to be underway.

Construction work at the Calcatreu Project in the Province of Rio Negro, Argentina resumed on January 5, 2026 after a short holiday pause. The article mentions Patagonia Gold Corp. is advancing on-site construction, plant commissioning and camp facilities. Stockpiling from the new Veta 49 pit has been completed and plant installation work is continuing. Several site activities are reported as nearing completion this month. Project details: - Construction resumed on January 5, 2026 and about 40,000 tonnes of mineralized material have been stockpiled from the Veta 49 pit. - The article reports 5,200 tonnes of that material are expected to be stacked on the leach pad after electric leak detection tests scheduled later this month. - Construction of the carbon-in-column (CIC) circuit has resumed and is expected to be finalized this month. - A new camp is being commissioned and dining facilities for 140 people were recently completed. - The article mentions resulting metal doré will be shipped to Asahi Refining Canada in Ontario once processing begins. - NCL Ingenieria y Construccion Ltda is advancing an updated technical report prepared under NI 43-101, which is expected to be released in Q2 2026; an independent qualified person reviewed and approved the technical information and last visited the site in October 2025. Summary: The article indicates on-site construction and plant commissioning are progressing toward the start of leaching operations, supported by stockpiled material and final works on the CIC circuit. Electric leak detection tests and stacking of material on the leach pad are the near-term steps reported, and an updated NI 43-101 technical report is expected in Q2 2026. Operational capacity has been increased with the commissioning of camp and dining facilities to support the project.