Brightstar Hits 16m @ 8g/t Au at Yunndaga, Confirming Underground Potential

20 May 2025 | Subiaco, WA – Brightstar Resources (ASX:BTR) has reported a standout intercept of 16m @ 8.03g/t Au from its Phase 1 RC drilling campaign at the Yunndaga deposit, part of its 0.6Moz Menzies Gold Project in WA.

The results come from a ~6,100m RC program targeting infill and down-dip extensions to known mineralisation, aiming to underpin a future underground mining operation.

Key intercepts include:

• 16m @ 8.03g/t Au from 220m (incl. 1m @ 33.6g/t & 4m @ 13.5g/t) – YNRC25022

• 13m @ 4.70g/t Au from 167m (incl. 2m @ 22.6g/t) – YNRC25026

• 11m @ 3.32g/t Au from 215m – YNRC25023

• 12m @ 2.34g/t Au from 156m – YNRC25027

• 8m @ 3.45g/t Au from 147m – YNRC25017

These results confirm the continuity of high-grade lodes beneath the historic Yunndaga open pit and support the underground mine designs outlined in Brightstar’s 2023 Scoping Study, which forecast ~61koz @ 2.91g/t Au from initial mining shapes.

Managing Director Alex Rovira commented:

“These results have surpassed expectations. They affirm our focus on Yunndaga as a near-term underground opportunity and show we’re only scratching the surface of its potential.”

A second-phase 5,000m RC and diamond drill program will begin in June to expand mineralisation at depth and increase resource confidence.

Brightstar’s Menzies and Laverton hubs are set to deliver a Definitive Feasibility Study in 1H CY25, while the company continues production from the Second Fortune and Fish underground mines in parallel.