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Creating a Premier North American Gold Growth Company

Sentinel Metals (ASX: SNM) is advancing high grade gold and silver projects across premier Tier 1 jurisdictions in Montana and Nevada. Powered by an experienced team of explorationists and project developers, we balance disciplined resource expansion with a deep commitment to environmentally responsible operations.

Our portfolio features the newly acquired 1Moz Big Springs Gold Project in Nevada, supported by a 2017 Mine Plan of Operations over part of the project area and strategic proximity to regional processing infrastructure, alongside our 920 koz Columbia Gold-Silver Project in Montana, where Sentinel’s 2026 maiden drilling program intersected 46.8 m @ 5.3 g/t Au from 88.2 m in DDCO26-001.²

By pairing clever discovery with sustainable execution, Sentinel is focused on unlocking long term value for our shareholders and communities across the USA.

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Map of the USA showing Columbia, Montana and Big Springs, Nevada

²Fire assay. Refer to ASX announcements dated 10 August 2026 and 17 September 2026. The intercept includes an interval of low core recovery (105.5–119.0 m); refer to the 10 August 2026 announcement for the cautionary statement.