Supporting Technical Assessments

OceanaGold Corporation WAI-985-000-REP-LC-0056_Rev0 Page 21 of 36 Approvals Position/Title Name Date Authored by Project Manager – Sustainable Processing Kirsty Hollis 22-Jun-2022 Reviewed by Project Manager – Sustainable Processing Kirsty Hollis 22-Jun-2022 Approved by General Manager - Projects David Bickerton 22-Jun-2022 Revision History Date Rev No. Reason for Issue Details of Revision By 22-Jun-2022 A IFR Issued for Review KH 23-Jun-2022 0 FINAL Final NN Technical Report Climate Change, Energy Use and Greenhouse Gas Waihi North Project Document ID: WAI-985-000-REP-LC-0056

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