• Maiden drill program commenced at El Campo REE Prospect and Desert Antimony Mine
• High-resolution geophysical survey identifies new high-priority REE and antimony targets
• Structural mapping and bulk sampling advance antimony resource development

Locksley Resources Ltd (ASX: LKY) advanced its Mojave Critical Minerals Project in California, USA, during the December 2025 quarter. Key highlights include the commencement of maiden diamond drilling at the El Campo REE Prospect and Desert Antimony Mine, a high-resolution geophysical survey that identified new high-priority targets, and structural mapping and bulk sampling that progressed antimony resource development. The company also made progress on its 'mine-to-market' strategy, including partnerships with Rice University and Columbia University to develop processing technologies, and the production of a 100% American-made antimony ingot. Locksley strengthened its executive team and board, received a non-binding Letter of Interest from the Export-Import Bank of the United States for up to US$191 million in project financing, and completed a heavily oversubscribed A$17 million capital raise led by U.S. institutional investors. The company also upgraded its U.S. trading status to the premier OTCQX Best Market.

Locksley Resources remains focused on safely and efficiently advancing the Mojave Project as a cornerstone U.S. critical minerals asset, deepening relationships across government, industry and research partners to secure America's strategic materials independence.