ANDEAN SILVER LIMITED

Challenger Exploration Limited is dedicated to the prospecting and evaluation of gold, silver, and copper resources. Its most prominent undertaking is the Hualilan gold project, situated in San Juan, Argentina. This key initiative includes 15 mining concessions and an exploration license application, collectively spanning 26 square kilometers. The company, initially established in 2007, was known as Challenger Energy Limited until May 2019, when it adopted its current name. Its corporate headquarters are located in West Perth, Australia.

ARGENT MINERALS LIMITEDARD · MaterialsWest Perth, Australia

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Argent Minerals Limited, an Australian entity established in 2007 and headquartered in West Perth, Australia, is primarily engaged in the identification, extraction, and commercialization of precious and base metal deposits across the country. The company's exploration activities specifically target gold, silver, copper, zinc, and lead resources. A key asset in its portfolio is the Kempfield Polymetallic project, situated in New South Wales, Australia. Initially incorporated as Kempfield Silver Pty Ltd, the organization officially adopted its current name, Argent Minerals Limited, in November 2007.

TESORO GOLD LTDTSO · MaterialsFremantle, Australia

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Tesoro Gold Ltd focuses on identifying, exploring, and advancing natural resource ventures situated across Chile. Its primary asset is the expansive El Zorro gold project, which spans approximately 555 square kilometers in northern Chile. Established in 2003, the company operated under the name Tesoro Resources Limited until April 2022, when it transitioned to Tesoro Gold Limited. The firm's corporate headquarters are located in West Perth, Australia.

Incorporated in 2006 and headquartered in West Perth, Australia, Los Cerros Limited (which operated as Metminco Limited until a name change in January 2020) is a mineral exploration enterprise. The company's primary focus is on discovering gold and copper deposits, with all its operations situated in Colombia. It possesses a full 100% ownership of the Quinchia gold project, an area spanning 10,500 hectares in central-west Colombia. Additionally, Los Cerros maintains a 90% interest in the more extensive Andes gold project, encompassing 85,000 hectares within Colombia's Antioquia state.

ARGOSY MINERALS LIMITEDAGY · MaterialsPerth, Australia

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Argosy Minerals Limited focuses on discovering and advancing lithium deposits across Australia and the United States. Its principal venture is the Rincon lithium project, which comprises around 2,794 hectares of mining rights located within the Salar del Rincon in Salta Province, Argentina. Established in 2010, the company maintains its corporate headquarters in Perth, Australia.

UNICO SILVER LIMITEDUSL · MaterialsMelbourne, Australia

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Unico Silver Limited primarily focuses on the exploration and evaluation of mineral resources, particularly gold, silver, and copper deposits, across both Australia and Argentina. A significant asset for the company is the Santa Cruz project, a vast area covering approximately 90,000 hectares situated in southern Argentina. The entity, incorporated in 2005 and headquartered in Adelaide, Australia, was formerly known as E2 Metals Limited until its renaming to Unico Silver Limited in March 2023.