St. Barbara Ltd.ASX: SBM

Maiden Underground Resource of 0.5 Moz at Old Austen Mine

· Issued by St. Barbara Ltd. via ASX

Filed with ASX · · 19 pages · English

Summary by 6ix AI

St. Barbara Ltd. has announced the definition of a maiden underground Mineral Resource Estimate at the Old Austen Mine Down-Plunge, which contains a significant amount of gold. The resource estimate includes a total of underground material with a specific grade and is entirely separate from the previously reported open pit resource. The company plans to initiate an extensive drilling campaign to upgrade the resource classification and explore further depth extensions. This announcement highlights a substantial increase in the overall mineral resource inventory for the company's Nova Scotia projects.

Written by 6ix AI from the company’s filing. How 6ix writes summaries

Release

2 November 2026 Maiden Underground Resource of 0.5 Moz at Old Austen Mine Down-Plunge Prospect Highlights • Underground Resource for Old Austen Mine Down-Plunge of 4.8 Mt @ 3.4 g/t Au containing 0.5 Moz of gold. • Nova Scotia Total Mineral Resources Estimate increased to 67.6 Mt @ 1.4 g/t Au...

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