Supporting Technical Assessments

18 Tonkin & Taylor Ltd Wharekirauponga Underground Mine – unplanned detonation air quality assessment Oceana Gold (New Zealand) Limited June 2022 Job No: 1015212.2000 vRev0 8 Applicability This report has been prepared for the exclusive use of our client Oceana Gold (New Zealand) Limited, with respect to the particular brief given to us and it may not be relied upon in other contexts or for any other purpose, or by any person other than our client, without our prior written agreement. We understand and agree that our client will submit this report as part of an application for resource consent and that Hauraki District Council as the consenting authority will use this report for the purpose of assessing that application. Tonkin & Taylor Ltd Environmental and Engineering Consultants Report prepared by: Authorised for Tonkin & Taylor Ltd by: .......................................................... ...........................….......…............... Rose Turnwald Jenny Simpson Environmental Engineer Project Director ROTU p:\1015212\1015212.2000\issueddocuments\2022.06. final aqa\appendix h - unplanned detonation air quality assessment.clean.docx

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