Supporting Technical Assessments

Revision 0 – 17-Jun-2022 Prepared for – Oceana Gold (New Zealand) Limited – Co No.: 2274246 Waihi North Project Geochemical Assessment Geochemistry of Tailings and Overburden, Treatment and Mitigation 17-Jun-2022 Oceana Gold Waihi North Project WAI-985-000-REP-LC-0038_Rev0 TECHNICAL REPORT WAIHI NORTH PROJECT GEOCHEMICAL ASSESSMENT GENERAL AREA 000 This document has been produced for New Zealand consenting purposes only. Forward looking information contained herein must not be relied on for investment purposes. Prepared for Oceana Gold (New Zealand) Limited Co No.: 2274246

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