Supporting Technical Assessments

This report (‘Report’) has been prepared by WSP exclusively for OceanaGold New Zealand Limited (‘Client’) in relation to the independent assessment of potential social impacts associated with the proposed WNP (‘Purpose’) and in accordance with the Services Schedule OGN-3147 issued under Master Consulting Agreement – 1407 (OGN-1014)] by the Client, dated June 2021. The findings in this Report are based on and are subject to the assumptions specified in the Report. WSP accepts no liability whatsoever for any reliance on or use of this Report, in whole or in part, for any use or purpose other than the Purpose or any use or reliance on the Report by any third party. In preparing this Report, WSP has relied upon data, surveys, analyses, designs, plans and other information (‘Client Data’) provided by or on behalf of the Client. Except as otherwise stated in this Report, WSP has not verified the accuracy or completeness of the Client Data. To the extent that the statements, opinions, facts, information, conclusions and/or recommendations in this Report are based in whole or part on the Client Data, those conclusions are contingent upon the accuracy and completeness of the Client Data. WSP will not be liable for any incorrect conclusions or findings in the Report should any Client Data be incorrect or have been concealed, withheld, misrepresented or otherwise not fully disclosed to WSP. 3-AD006.00 June 2022 SOCIAL IMPACT ASSESSMENT WAIHI NORTH PROJECT Oceana Gold New Zealand Limited WSP Auckland Level 3 The Westhaven 100 Beaumont St Auckland 1010, New Zealand +64 9 355 9500 wsp.com/nz REV DATE DETAILS 0 20 June 2022 Revised Report NAME DATE SIGNATURE Prepared by: H. Konigkramer 20 June 2022 Reviewed by: W. Turvey 20 June 2022 Approved by: W. Turvey 20 June 2022 This document has been produced for New Zealand consenting purposes. Information contained herein must not be relied on for investment purposes.

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