Open-Ended Mineralisation at Mt York Raises Questions on Resource Scale and Access

Drilling Success at Mt York’s Main Hill

Kairos Minerals Ltd (ASX – KAI) has delivered another encouraging update from its flagship Mt York Gold Project in Western Australia’s Pilbara region. The latest batch of drilling results from the Main Hill prospect confirms the continuity of a large, high-grade gold system, extending the so-called ‘Monster Zone’ mineralisation 250 metres to the east and deeper than previously recorded.

Among the standout intercepts, hole 25MYDD044 returned 23 metres at 2.18 grams per tonne (g/t) gold from 131 metres depth, including a richer 9 metres at 4.44 g/t. Meanwhile, hole 25MYDD052, drilled 250 metres east of the original ‘Monster’ hole, intersected 20 metres at 1.32 g/t from 323 metres, including 6 metres at 3.04 g/t. These results reinforce the prospect’s potential for both open pit and underground mining.

Expanding the Drilling Campaign

In response to these positive results, Kairos is increasing its Stage 1 drilling program from an initial 20,000 metres to 30,000 metres. To date, 68 holes totaling over 18,000 metres have been completed, with more assay results expected in the coming months. The expanded drilling will focus on both extensional drilling to grow the resource and infill drilling to upgrade resource confidence from Inferred to Indicated categories.

Managing Director Dr Peter Turner highlighted the significance of the findings, noting that mineralisation remains open at depth and along the 3-kilometre Main Trend. He also pointed to ongoing negotiations to access an additional 1,500 metres of strike length on adjoining tenements held by PLS, which could further enhance the project’s scale.

Towards a Resource Upgrade and Development

The drilling results validate Kairos’ new structural model, which predicts horizontal extensions of wide gold mineralisation zones at Main Hill and elsewhere within the project area. This bodes well for the upcoming Mineral Resource Estimate (MRE) update, anticipated to reflect the increased scale and improved confidence of the resource.

Beyond drilling, Kairos is advancing key agreements, including finalising mineral rights with PLS and progressing a mining agreement with the Nyamal Aboriginal Corporation. The company is also initiating advanced metallurgical test work to better understand ore processing characteristics across fresh, transitional, and oxide zones.

With a current resource base of 1.4 million ounces of gold, the Mt York project is shaping up as a robust development opportunity. Previous scoping studies have outlined a potential open-cut operation processing 4 million tonnes per annum over eight years, and these new results could further enhance project economics.