2020-08-07_REVISION - M1980244 (11)

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ICMC RECERTIFICATION SUMMARY AUDIT REPORT PRINCIPLE 5 - DECOMMISSIONING Protect Communities and the Environment from Cyanide through Development and Implementation of Decommissioning Plans for Cyanide Facilities Standard of Practice 5.1: Plan and implement procedures for effective decommissioning of cyanide facilities to protect human health,wildlife, and livestock. ® in full compliance with CC&v is: ❑ in substantial compliance with Standard of Practice 5.1 ❑ not in compliance with Summarize the basis for this finding: CC&V is in FULL COMPLIANCE with Standard of Practice 5.1, requiring that a decommissioning plan is developed and implemented for effective closure of cyanide facilities to protect human health,wildlife,and livestock. The operation has developed written procedures related to the decommissioning of cyanide facilities. The operation has a Mine Land Reclamation Permit that contains decommissioning procedures that are revised with each permit amendment. Each amendment address new constructions and alterations to site therefore the cyanide facilities are addressed in each amendment.The permit references previous approved rinsing criteria for WAD cyanide. There is a schedule in Volume 1 of the Permit Amendment that contains a general schedule of activities for each area, including details on reclamation as well as a table providing more details on duration. Each Newmont operation has a Closure Reclamation Life of Mine spreadsheet that includes closure/decommissioning information for each facility/landform, including cyanide facilities. A yearly cost for closure/decommissioning is listed for each facility in this spreadsheet, which is based on closure scheduling.The operation does review its decommissioning procedures during the life of the operation. Each time a Permit Amendment is submitted the operation undertakes a review of the reclamation and closure procedures listed. In addition, part of the annual review of the closure costs includes a review of the activity schedule. Standard of Practice 5.2: Establish an assurance mechanism capable of fully funding cyanide related decommissioning activities. ® in full compliance with CC&v is: ❑ in substantial compliance with Standard of Practice 5.2 ❑ not in compliance with Summarize the basis for this finding: CC&V is in FULL COMPLIANCE with Standard of Practice 5.2, requiring that operation establish an assurance mechanism capable of fully funding cyanide related decommissioning activities. The Operation has developed a cost estimate to fully fund third party implementation of the cyanide related decommissioning measures. The Operation uses the Closure Reclamation Life of Mine Spreadsheet,which includes costings for revegetation and stabilization as well as cyanide facilities.This spreadsheet is reviewed annually as part of the business processes. CC&V Mine v July 28,2017 Name of Faality Signature of Lead Auditor Date July 2017 Report No.1663584-003-R-RevO 17 (Associates