Supporting Technical Assessments

This Technical Memorandum is provided as an interim output under our agreement with Oceana Gold NZ Ltd. It is provided to foster discussion in relation to technical matters associated with the project and should not be relied upon in any way. 12552081 13 4. Limitations This report: has been prepared by GHD for Oceana Gold NZ Ltd and may only be used and relied on by Oceana Gold NZ Ltd for the purpose agreed between GHD and Oceana Gold NZ Ltd as set out in section 1 of this report. GHD otherwise disclaims responsibility to any person other than Oceana Gold NZ Ltd arising in connection with this report. GHD also excludes implied warranties and conditions, to the extent legally permissible. The services undertaken by GHD in connection with preparing this report were limited to those specifically detailed in the report and are subject to the scope limitations set out in the report. The opinions, conclusions and any recommendations in this report are based on conditions encountered and information reviewed at the date of preparation of the report. GHD has no responsibility or obligation to update this report to account for events or changes occurring subsequent to the date that the report was prepared. The opinions, conclusions and any recommendations in this report are based on assumptions made by GHD described throughout this report and in the appendices. GHD disclaims liability arising from any of the assumptions being incorrect. GHD has prepared this report on the basis of information provided by Oceana Gold NZ Ltd and others who provided information to GHD (including Government authorities), which GHD has not independently verified or checked beyond the agreed scope of work. GHD does not accept liability in connection with such unverified information, including errors and omissions in the report which were caused by errors or omissions in that information. The opinions, conclusions and any recommendations in this report are based on information obtained from, and testing undertaken at or in connection with, specific sample points. Site conditions at other parts of the site may be different from the site conditions found at the specific sample points. Investigations undertaken in respect of this report are constrained by the particular site conditions, such as the location of buildings, services and vegetation. As a result, not all relevant site features and conditions may have been identified in this report. Site conditions (including the presence of hazardous substances and/or site contamination) may change after the date of this Report. GHD does not accept responsibility arising from, or in connection with, any change to the site conditions. GHD is also not responsible for updating this report if the site conditions change. GHD has not been involved in the preparation of the Assessment of Environmental Effects (AEE), prepared by Mitchell Daysh and has had no contribution to, or review of the AEE other than in this technical report for water management. GHD shall not be liable to any person for any error in, omission from, or false or misleading statement in, any other part of the AEE. The GHD document containing the disclaimer is to be included in any other document, the entirety of GHD’s report must be used (including the disclaimers contained herein), as opposed to reproductions or inclusions solely of sections of GHD’s report. Regards Tim Mulliner Technical Lead - Environment The GHD document containing the disclaimer is to be included in any other document, the entirety of GHD’s report must be used (including the disclaimers contained herein), as opposed to reproductions or inclusions solely of sections of GHD’s report.

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