03:33:34 EST Sun 08 Feb 2026
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Amerigo Resources Ltd
Symbol ARG
Shares Issued 161,491,267
Close 2025-08-13 C$ 2.15
Market Cap C$ 347,206,224
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Amerigo processing fresh tailings at Minera Valle

2025-08-13 17:13 ET - News Release

Ms. Aurora Davidson reports

AMERIGO'S MVC RESUMES FRESH TAILINGS PROCESSING

Amerigo Resources Ltd. has provided an operational update on Minera Valle Central, a 100-per-cent-owned operation located near Rancagua, Chile.

On Saturday, Aug. 9, 2025, El Teniente underground copper mine received approval from Chile's National Geology and Mining Service and the Labour Directorate to restart operations in eight of the 12 underground sectors. Four sectors remain temporarily shut down. Operations at El Teniente have resumed in accordance with a safety restart plan. Following the restart of operations at El Teniente, MVC started receiving fresh tailings during the night of Sunday, Aug. 10, 2025.

As reported in the company's news release of Aug. 6, 2025, operations at El Teniente underground copper mine, owned by Corporacion Nacional del Cobre de Chile, were suspended on the evening of July 31, 2025. This followed a seismic event that, unfortunately, resulted in the death of six workers. While operations at the mine and the supply of fresh tailings to MVC were suspended, Amerigo continued to process historic tailings.

MVC is processing fresh tailings from El Teniente and also handling historic tailings. Until operations at El Teniente are normalized, Amerigo expects daily throughput from the fresh tailings to be lower than initially forecast in MVC's 2025 production schedule.

"To the extent possible, MVC will mitigate any production impacts by increasing the processing of historic tailings," said Aurora Davidson, Amerigo's president and chief executive officer. "Once we have data on El Teniente's throughput over the next few days, we will provide a production update," she added.

About Amerigo Resources Ltd.

Amerigo is an innovative copper producer with a long-term relationship with Codelco, the world's largest copper producer.

Amerigo produces copper concentrate and molybdenum concentrate as a byproduct at the MVC operation in Chile by processing fresh and historic tailings from Codelco's El Teniente mine, the world's largest underground copper mine.

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