Supporting Technical Assessments

EGL Ref: 9049 23 June 2022 Page 38 File: WAI-985-000-REP-LC-0050-Rev0.docx This report shall only be read in its entirety. 22. OceanaGold (2020) ‘Waihi District Study Preliminary Economic Assessment’, NI 43-101 Technical Report. STU-063-REP-001-A 23. OceanaGold (2022) ‘Favona, Trio And Correnso Underground Mines’ www.waihigold.co.nz 24. Brathwaite, R. L. and Christie, A. B. (1996) ‘Geology of the Waihi Area.’ s.l. : Insitute of Geological Nuclear Sciences Limited ISBN 0-478-09500-7. 25. Hayward, B. W. Out of the Ocean, Into the Fire: History in the rocks, fossils and landforms of Auckland, Northland and Coromandel. s.l. : Geoscience Society of New Zealand, 2017. p. 336 26. OGNZL (2022) Geological sections from exploration model 27. Golder (2021) ‘OceanaGold WKP Project – Geotechnical assessment underground mine and tunnels. WAI-985-000-REP-LC-0016_RevE 28. GHD (2020) ‘WKP Exploration Tunnel – Water Assessment – Conceptual Geological Model Data Report: August 2020. GHD ref. 125/336/58 29. Vincent, K. A. (2012) U-Pb Dating of Silicic Volcanic Rocks of the Eastern Coromandel. Thesis, The University of Waikato 30. Rabone, S. D. C, Moore, D. H., Barker, R. G, (1989) Geology of the Wharekirauponga Epithermal Gold Deposit, Coromandel Region 31. Simpson, M.P. (2019) Hyperspectral (SWIR) characterisation of alteration at the Wharekirauponga epithermal Au-Ag prospect, Hauraki Goldfield, New Zealand 32. GWS (2020) ‘Settlement Marker Review’ 33. OGNZL (2021) ‘Memorandum – Ground settlement monitoring review – November 2021’ 23 January 2022 34. OGNZL (2021) ‘per communication with OGNZL surveyor’ 35. GWS (2018) ‘Project Martha Assessment of Groundwater Effects’. 36. GWS (2021) ‘Project Waihi North – Assessment of Groundwater Effects – Tunnel Elements’. 17 November 2021 Draft. OGNZL Doc. Ref. WAI-985-000-REP-LC-0030B 37. GHD (2021) ‘Waihi North Project – Hydrogeology and Mine Dewatering Report’ Draft. 38. Golder (2021) ‘OceanaGold Waihi North Project – Willows Road & SIA Geotechnical Assessment’ WAI-985-000-REP-LC-0037_RevA 3 December 2021 39. Wharmby, N. Leach, B., Storer, K. Murray, G. ‘Construction of deep emergency access and ventilation shafts at Waihi gold mine’ 40. PSM (2021) ‘Geotechnical Study Gladstone Open Pit’ WAI-985-000-REP-LC0001_RevA September 2021 41. GWS (2022) per communications 42. GNS (2008) ‘Waihi subsidence assessment’ October 2008, GNS Science Consultancy Report 2006/235

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