Supporting Technical Assessments

³ ³ ³ Figure D2 OCEANA GOLD (NZ) LTD - WAIHI Storage 3 Tailings Storage Facility, RL155, Dam Breach Breach Geometry and Mud Deposition (Process II) for Rainy Day Breach Scenario For the correlated dam breach assessment, please refer to the following report: Engineering Geology Ltd (2022), 'OceanaGold (NZ) Ltd, Storage 3, Tailings Storage Facility, RL155, Dam Breach and Potential Impact Classification Assessment', Ref. 9216, dated June 2022. Note: Time of arrival at the affected locations is anticipated less than 15 mins since the dam breach initiation.

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