Brockman Mining (159) Q3 2025 earnings summary

Executive summary

• Advanced the Marillana Project with MinRes under the agreed Indicative Development Proposal, including infrastructure and port development studies for export facilitation.

• Completed geological mapping at Three Pools and Hancock Range within the Ophthalmia Project to plan future drilling and heritage surveys.

• Finalised a Tenement Sale Agreement for a non-core asset and continued extensive consultation with Traditional Owners.

Project activities

• Confirmatory technical and due diligence studies for Marillana completed, indicating enhanced yields and product quality above 61.5% Fe.

• Sinter testwork shows Marillana Fines can substitute for other Australian fines in Chinese steel mill blends.

• Environmental management and monitoring plans updated, with ongoing water and greenhouse gas modelling.

• Infrastructure development at Port Hedland's Stanley Point 3 progressing, subject to approvals and final investment decision.

• Ophthalmia Project work program reduced to prioritize Marillana; geological mapping and drilling target planning ongoing.

Segment performance

• No mining production or development activities, and no related expenditure recognized for the quarter.