Last updated: 18 May 2026, 17:00 AWST

ERP System Restored

We are pleased to advise that the impacted subset of Northern Star’s ERP system has been restored following the recent cyber incident affecting our service provider.

Our teams have undertaken a controlled and methodical restoration process to support a safe return to normal service.

As workflows are progressively brought back online, some temporary delays may continue while backlogged transactions, reconciliations and outstanding activities are completed.

We want to sincerely thank you for your understanding and flexibility throughout this period.

Should you have any urgent matters, please continue to work directly with your Northern Star contact.

Thank you

Northern Star Resources Ltd
Accounts Payable / Procurement Teams

Supplier FAQs

Previous Notices

12 May 2026, 12:00 AWST

Cyber Security Incident Affecting Subset of ERP System

As an update to our previous communication, a subset of Northern Star’s ERP system remains unavailable following a cyber security incident affecting our service provider.

Our service provider has confirmed that backups are intact and restoration activities are now underway, including system recovery, testing and verification to ensure a safe and secure return to service.

To maintain business continuity, Northern Star has implemented temporary manual processes for procurement and operational requirements.

There continues to be no evidence to suggest supplier data or information held by Northern Star has been compromised. We will communicate immediately should this assessment change.

STAY INFORMED

We will continue to update this page as new information becomes available and encourage suppliers to check back for the latest updates.

If you have urgent matters, please contact your designated Northern Star contact.

We appreciate your continued patience, flexibility and support as we work through this situation. Keeping our supplier relationships strong and our communications open is a priority for us, and we are committed to keeping you informed every step of the way.

Thank you

Northern Star Resources Ltd
Accounts Payable / Procurement Teams

7 May 2026, 14:00 AWST

Cyber Security Incident Affecting Our ERP System

Northern Star Resources Ltd has recently become aware that the service provider supporting our Enterprise Resource Planning (ERP) system has experienced a cyber security incident. As a customer of their platform, our environment has been impacted as part of this broader event.

We want to be transparent with you about what this means for our operations:

  • Our procurement, ordering and invoicing processes may experience some delays while we manage the situation.

  • We are actively assessing the full scope of the impact and working to restore normal operations as quickly as possible.

At this stage, we have no evidence to suggest that any supplier data or information held by Northern Star has been compromised. However, we will immediately communicate if this assessment changes.

STAY INFORMED

We will continue to update this page as new information becomes available and encourage suppliers to check back for the latest updates.

If you have urgent matters, please contact your designated Northern Star contact.

We appreciate your continued patience, flexibility and support as we work through this situation. Keeping our supplier relationships strong and our communications open is a priority for us, and we are committed to keeping you informed every step of the way.

Thank you

Northern Star Resources Ltd
Accounts Payable / Procurement Teams