Supporting Technical Assessments

Waihi Emergency Principal Control Plan OceanaGold Waihi WAI-250-PLN-001 Page 108 of 124 1.18 Missing Persons Level 1 Response Level 2 Response Level 3 Response Trigger • Any person that has not cleared their tag prior to firing times and is not able to be contacted or found underground (Believed offsite) • Any person that has not removed their tag and who’s personal belongings are still on site. • Any person that cannot be contacted or found after going to do re-entry All Personnel • No action required • No action required • Follow instructions Emergency Call Taker • No action required • No action required • Follow procedures as per appropriate duty card Supervisor • Record and Report. • Search for missing person/ confirm if on or off site • Notify Department Manager • Notify Department Manager • Initiate systematic search of underground • Contact Emergency Response Coordinator • Contact Emergency Response Coordinator and request emergency response team and equipment for immediate BA search. • Secure the area • Notify Department Manager • Be the Mine Incident Controller until Department Manager takes over. Emergency Response Coordinator • No action required • Place onsite ER team on standby until complete evacuation confirmed • Initiate on site ER response • Activate offsite ER call in • Coordinate ER response Department Manager (Mine Incident Controller) • Approve firing or not • Monitor situation and maintain contact with reporting person. • Notify General Manager (SSE) • Ensure MIC and IMT are being activated • Notify chief operating officer if required • Notify WorkSafe when appropriate • Activate and Coordinate the Emergency Response Team • Notify General Manager (SSE) Ensure MIC and IMT are being activated • Notify chief operating officer if required • Notify WorkSafe when appropriate General Manager (SSE) • No action required • Monitor situation and maintain contact with reporting person. • Notify Chief Operating Officer if required • Ensure MIC and IMT are being activated • Notify chief operating officer if required • Notify WorkSafe when appropriate • Monitor situation and maintain contact with reporting person. • Notify Chief Operating Officer • Ensure MIC and IMT are being activated • Notify chief operating officer if required • Notify WorkSafe when appropriate Chief Operating Officer • No action required • No action required • Implement OceanaGold Crisis Management Plan if required.

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