Julimar West Project

Western Yilgarn, through its wholly owned subsidiary PBX Aus Pty Ltd (PBX AUS), holds a 100% interest in Exploration Licence ELA 70/5111 (Julimar West Project). The Project covers 349km² within the Darling Ranges, approximately 75km northeast of Perth, Western Australia.

Geologically, the Julimar West Project is within the Western Gneiss Terrane along the western margin of the Yilgarn Craton. The Yilgarn Craton hosts numerous precious and base metal deposits, including gold, nickel, iron, bauxite and tantalite, with major centres at Kalgoorlie, Southern Cross, Leonora, Meekatharra and Wiluna. Nickel is sourced from Mount Keith, Kambalda, Lake Johnston, Forrestania and Ravensthorpe, while iron is primarily mined at Koolyanobbing, Koolanooka, Weld Range and Tallering Peak in the central/west Yilgarn. Bauxite is mined from the Darling Ranges south of Perth at Huntley and Willowdale. The Darling Ranges region is highly prospective for bauxite, PGE, nickel and copper mineralisation.

The southern portion of Julimar West is adjacent to, and west of, Chalice Mining Limited’s (ASX: CHN) Julimar deposit within the Gonneville Intrusive, discovered in 2020. To the north, the EL is near Caspin Resources Limited’s (ASX: CPN) Yarawindah Brook Project, where drilling has identified a 6km strike of mafic and ultramafic rocks containing anomalous levels of PGE, nickel and copper.

In November 2023, Western Yilgarn was granted the Julimar West EL for a five-year period by the WA Department of Mines, Industry Regulation and Safety (DMIRS). The licence includes sub-surface rights only in relation to private land, Ministerial consent required prior to exploration on reserves, and the requirement to enter into the Noongar Standard Heritage Agreement as prescribed by the South West settlement ILUA.

Western Yilgarn acknowledges historical and ongoing anti-mining sentiment within the community in areas surrounding the Julimar West Project. Western Yilgarn is committed to communicating with the communities in which it operates. The Company aims to manage the impact of its planned activities by considering and responding to the interests and concerns of the local community. Western Yilgarn seeks to engage with key stakeholders, building trust-based and transparent relationships to establish mutually beneficial outcomes.

In February 2025, WYX announced a 2012 JORC Mineral Resource Estimate (MRE) for the Julimar West Bauxite Project of 168.3Mt at 36.1% Al₂0₃ & 14.7% total SiO₂ (Cut-off: ≥25% Al₂O₃). The Mineral Resource areas known as Blocks 100 to 600 are situated in the Central Bindoon region. The Bauxite Project comprises one contiguous exploration licence (119 block) with bauxite mineralisation striking some 49km in length and up to 13km in width.

At Julimar West, there is significant potential to host an economic bauxite resource of sufficient size and quality to support a small to medium-scale direct shipping ore (DSO) operation supplying bauxite for seaborne export to established alumina refineries in China and the Middle East.