MGX.ASX: Trading Halt

Trading Halt

Stock	Mount Gibson Iron Ltd (MGX.ASX)
Release Time	17 Oct 2025, 9:49 a.m.
Price Sensitive	Yes

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Mount Gibson Iron Requests Trading Halt

Key Points

Overnight rockfall from eastern footwall in Main Pit at Koolan Island operation
No injuries reported, mining suspended pending evaluation
Koolan Island seawall unaffected, continues to perform as designed

Full Summary

Mount Gibson Iron Limited (ASX: MGX) has requested a trading halt in its securities, pending the release of an announcement regarding the impact of an overnight rockfall from a section of the eastern footwall (island-side) in the Main Pit at its Koolan Island operation. The company has confirmed that there were no injuries caused by the rockfall, which had been monitored in advance with continuous radar coverage. An exclusion zone is currently in place at the eastern end of Main Pit, and mining is currently suspended pending further evaluation. The Koolan Island seawall was not affected and continues to perform according to design. Mount Gibson has requested that the trading halt remain in place until the earlier of the company making the announcement or market open on Tuesday, 21 October 2025.