• Mineral Resources conducted first portal blasts at Mt Marion’s Central pit in October, following North pit’s underground development restart in September.
• Five portals are planned across both pits; declines will reach 850 meters at North and 540 meters at Central.
• Central pit underground production is expected in Q4 FY27, with North pit scheduled to follow in Q4 FY28.
• From FY28, Mt Marion will combine open-pit and underground mining, with underground ore supplying up to 40% of processing feed.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Mineral Resources Limited published the original content used to generate this news brief on November 03, 2026, and is solely responsible for the information contained therein.