Extraction Plan - Peabody Energy

Extraction Plan – North Wambo Underground Mine Longwalls 7 and 85) Incident ResponseNo incidents occurred within the underground mining area during the current reporting period. [Updateas required]6) Service DifficultiesNo service disruption or difficulties were experienced as a result of WCPL underground miningactivities during the current reporting period. [Update as required]7) Comments & ComplaintsNo comments or complaints were received in relation to underground mining activities within thecurrent reporting period. [Update as required]8) Subsidence MonitoringMonitoring of subsidence development of NWU LW1-8 is currently undertaken in accordance with theapproved Subsidence Monitoring Program. Monitoring results are reported within the SubsidenceManagement Status Report every six months.There are no unusual results obtained from this subsidence monitoring survey. No exceedances ofthe predicted subsidence values, as approved for the underground mining area, were recorded withinthe current reporting period. [Update as required]9) Conclusion/SummaryDuring the current reporting period subsidence levels at the WCPL remained within currentpredictions, as approved for the underground mining area. Resulting subsidence impacts continue tobe adequately managed under WCPL Environmental Management System, the Extraction Plan andassociated sub plans. Potential subsidence impacts will continue to be monitored and managed inaccordance with WCPL’s Environmental Management System and various supporting managementplans. [Update as required]For further information please contact Michael Millgate, Technical Services Supt. [(02) XXXX XXXX].EP/SMP LW7-8 Rev B December 2012 Page A5-2