Supporting Technical Assessments

June 2022 G-14642.71-006-R-Rev0_FINAL 46 12.0 REFERENCES Braithwaite, R.L., Christie, A.B. 1996: Geology of the Waihi area, scale 1:50,000. IGNS geological map 21. Edbrooke SW, 2001, Geology of the Auckland Area, Institute of Geological and Nuclear Sciences 1:250,000 geological map 3. 1 Map sheet and 74 page document. GHD 2022: Waihi North Project Water Management Studies (WAI-985-000-REP-LC-0011_RevE.1) dated June 2022. GWS 2020: Project WUG Assessment of Groundwater Effects – Willow Farm and Exploration Tunnel. Draft report to OceanaGold dated 2 October 2020. Golder 2021: Wharekirauponga underground mine groundwater ingress adaptive management update. Draft report 21464271-R-004-RevA-Draft to OceanaGold November 2021. Litchfield NJ, R Van Dissen, R Sutherland, PM Barnes, SC Cox, R Norris, RJ Beavan, R Langridge, P Villamor, K Berryman, M Stirling, A Nicol, S Nodder, G Lamarche, DJA Barrell, JR Pettinga, T Little, N Pondard, JJ Mountjoy & K Clark, New Zealand Journal of Geology and Geophysics (2013): A model of active faulting in New Zealand, New Zealand Journal of Geology and Geophysics. OGC Studies Group PFS Geotechnical Study (undated) PRESENTED AS APPENDIX D OGC 2020: Waihi District Study, Preliminary Economic Assessment, NI 43-101 Technical Report reference STU-063-REP-001-A, published report dated 30 August 2020. Skempton, A.W. and Northey, R.D. 1952: The Sensitivity of Clays. Geotechnique, 3, 30-53. http://dx.doi.org/10.1680/geot.1952.3.1.30. SRK Consulting 2019 Wharekirauponga Mining Study. Consultant report to OGC dated April 2019.

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