Supporting Technical Assessments

Waihi Emergency Principal Control Plan OceanaGold Waihi WAI-250-PLN-001 Page 101 of 124 1.11 Pit Wall Failure Level 1 Response Level 2 Response Level 3 Response Trigger • Movement alarm activation as per ground movement TARPs • A large movement which has blocked egress for personnel • A movement which has the potential to affect the underground operations • A large failure with personnel missing/trapped • A large failure that has blocked access/egress from the underground operations All Personnel • Follow instructions from supervisors • Quickly assess the situation and make emergency call. • Quickly assess situation and make emergency call. • Withdraw all persons to a place of safety. • Prevent persons from entering the area Emergency Call Taker • No action required • Follow instructions from supervisor • Follow procedures as per appropriate duty card Supervisor • Investigate • Record and Report. • Contact appropriate person to inspect if required • Notify Department Manager if required • Request emergency response team and equipment for immediate response if required • Update Emergency Call Taker on situation • Notify Department Manager • Geotechnical officer notified • Request emergency response team and equipment for immediate response • Update Emergency Call Taker on situation and advise what other resources may be required • Secure the area • Geotechnical officer notified • Notify Department Manager • Be the Mine Incident Controller until Department Manager takes over. Emergency Response Coordinator • On standby • No action required • Initiate on site ERT response • Coordinate ERT response Department Manager (Mine Incident Controller) • No action required • Monitor situation and maintain contact with reporting person. • Notify General Manager (SSE) • Set up incident control point (ICP) • Activate incident management team (IMT) • Notify WorkSafe when appropriate • Activate and Coordinate the Emergency Response Team • Notify General Manager (SSE) • Set up incident control point (ICP) • Activate incident management team (IMT) • Notify WorkSafe when appropriate General Manager (SSE) • No action required • Monitor situation and maintain contact with reporting person. • Ensure MIC and IMT are being activated • Notify chief operating officer if required • Notify WorkSafe when appropriate • Notify Chief Operating Officer if required • 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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