Youanmi Gold Mine
WESTERN AUSTRALIA
WESTERN AUSTRALIA
100% ownership of the Youanmi Gold Mine (including 90% - 100% gold rights in regional tenures).
Minerals Resource Estimate of 2,195koz Au at 5.5 g/t. Ore Reserve Estimate 727koz at Au 4.7g/t.
Production target of 817koz of gold doré over the life-of-mine, averaging 117kozpa over an initial approx. 7 year processing period.
Potential upside from new discoveries in near-mine areas and regional areas opportunities.
The Youanmi Gold Mine is located 480km northeast of Perth and 400km inland and to the east of Geraldton. It is sited in the central part of the Youanmi Greenstone Belt, which is situated in the Southern Cross Province of the Archaean Yilgarn Craton in Western Australia, “Australia’s premier gold province.
The Project is surrounded by million-ounce mines and major gold producers. The Project has a proven track record of production with historical production of 667koz from both open pits and underground mining. Due to its history, the Project comes with comprehensive site infrastructure and decline that Rox can leverage off.


The Youanmi Gold Mine located near the centre of the project tenement package has historic production of 667,000 ounces of gold grading 5.42g/t from open pit (1987 – 1993) and underground operations. The operation was closed in 1997 when the gold price was approximately A$450 per ounce with the last parcel of ore mined underground at 14.6 g/t Au grade.
The Youanmi Project Mineral Resource 12.4Mt at 5.5g/t for 2,195koz of gold can be categorised into open pit portion of 1.2Mt at 1.7g/t for 0.07Moz of gold and the underground portion of 10.9Mt at 6.0g/t for 2.1Moz of gold. (ASX: 21 July 2025).
Rox has 100% ownership of the Youanmi Gold Mine and 90% to 100% of the regional exploration tenure.
The Company has implemented a three-pronged strategy to explore and develop the high-grade Youanmi Gold Mine:
Increase resource confidence through in-fill drilling programme and de-risk the project through feasibility work.
Increase resource confidence through in-fill drilling programme and de-risk the project through feasibility work.
Renewed focus on regional tenures at Penny North Project and greenfield exploration.


Notes:
1. Refer to ASX Announcements on 5 September 2019, 11 September 2020, 18 September 2020 and 30 January 2024