• High-resolution ground gravity survey completed at the highly prospective Rochefort Gold Prospect
• Gravity data confirms gold mineralisation sits at the intersection of multiple major structures
• Rochefort located ~20 km north of the producing Crown Prince deposit (2.2Mt @ 3.9g/t Au for 279koz)

Premier1 Lithium Limited (ASX:PLC) has completed a high-resolution ground gravity survey at the Rochefort Gold Prospect, part of its Abbotts North Project located approximately 35 km north of Meekatharra in Western Australia's Murchison region. The gravity data, combined with existing high-resolution magnetics, confirms that the gold mineralisation defined by soil and high-grade rock chip sampling sits at the intersection of multiple major structures. Rochefort is located ~20 km north of the producing Crown Prince deposit (2.2Mt @ 3.9g/t Au for 279koz) owned by New Murchison Gold Ltd, within the same Abbotts Greenstone Belt. The project features a coherent, expansive gold-in-soil anomaly measuring ~400m x 350m with strong extension potential under cover, and high-grade rock chips assays of up to 11.7g/t Au. The mineralisation is hosted in highly fractionated and altered quartz dolerites, a recognised setting for significant Yilgarn gold systems. Preliminary structural interpretation highlights significant structures and lithological contacts that coincide with the gold anomalism, making Rochefort a high priority exploration target. Interpretation of the gravity data is ongoing and will lead to a refined geological and structural model to plan the upcoming maiden drilling program.

Maiden drilling is planned for Q2 2026 following ongoing structural interpretation and receipt of regulatory approvals.