Supporting Technical Assessments

REPORT Oceana Gold Waihi North Project Wharekirauponga Undergroud Mine - Willows Rock Stack and Surface Facilities Geotechnical Assessment This document has been produced for New Zealand consenting purposes only. Information contained herein must not be relied on for investment purposes. Submitted to: Oceana Gold (New Zealand) Limited Submitted by: WSP New Zealand Limited 12 Moorhouse Avenue, Addington, Christchurch 8011, New Zealand +64 3 363 5400 G-01483.84-017-R-Rev0 June 2022 WAI-985-000-REP-LC-0037_Rev0 TECHNICAL REPORT WAIHI NORTH PROJECT WILLOWS ROAD WRS & SIA GEOTECHNICAL ASSESSMENT GENERAL AREA 000

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