Supporting Technical Assessments

This report shall only be read in its entirety. File: WAI-985-000-REP-LC-0002_Rev0.docx OGNZL Document Reference: WAI-985-000-REP-LC-0002 Revision: 0 Prepared for: 23 June 2022 OceanaGold (New Zealand) Ltd P O Box 190 WAIHI 3641 OCEANA GOLD (NEW ZEALAND) LIMITED WAIHI OPERATION WAIHI NORTH PROJECT TAILINGS STORAGE AND ROCK DISPOSAL VOLUME 1 NATURAL HAZARDS AND OPTIONS ASSESSMENT TECHNICAL REPORT EGL Ref: 9215 This document has been produced for New Zealand consenting purposes only. Information contained herein must not be relied on for investment purposes.

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