AIS.ASX: Major Increase in Tritton Mineral Resources & Ore Reserves

Major Increase in Tritton Mineral Resources & Ore Reserves

Stock	Aeris Resources Ltd (AIS.ASX)
Release Time	21 Jul 2026, 8:33 a.m.
Price Sensitive	Yes

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Aeris Resources Announces Significant Mineral Resource and Ore Reserve Increase

Key Points

Mineral Resources increase to 33Mt containing approximately 540kt copper metal, up 70%
Ore Reserves increase to 10Mt containing approximately 180kt copper metal, up 400%
Significant contributions from the integration of Mallee Bull and Wirlong deposits
Successful exploration and resource definition drilling at Avoca Tank and Budgerygar

Full Summary

Aeris Resources Limited has announced an updated Mineral Resource Estimate (MRE) and Ore Reserve Estimate (ORE) for its Tritton Operations in central NSW. The MRE totals 33 million tonnes at 1.7% copper, 0.32 g/t gold, and 9 g/t silver, containing 540kt of copper, 340koz of gold, and 9.6Moz of silver. The ORE totals 10 million tonnes at 1.7% copper, 0.38 g/t gold, and 10 g/t silver, containing 180kt of copper, 130koz of gold, and 3.2Moz of silver. The increase is primarily due to the integration of the Mallee Bull and Wirlong deposits, successful exploration, and resource definition drilling at Avoca Tank and Budgerygar.

Outlook

The expanded Mineral Resource and Ore Reserve inventory at Tritton will underpin the development of an updated Life of Mine plan showing the long-term potential of the operation.