Supporting Technical Assessments

750 800 850 900 950 1000 1050 1100 0 50 100 150 200 250 300 350 1/01/2001 28/09/2003 24/06/2006 20/03/2009 15/12/2011 10/09/2014 6/06/2017 2/03/2020 Favona Decline Level (mRL) Groundwater Level (mbgl) Date P-69 -Raw P-69 -s P-69 -Raw P-69 -d P-64 -a P-64 -d P-75 - P76 -s P76 -i P76 -d P77 -s P77 -i P77 -i-2 P77 -d P79 -S P79 -I P79 -D P78 -s P78 -i P78 -d P87 -S P87 -I P87 -D P107 -1 P108 -1 P109 -1 P110 -1 P113 -1 P114 -1 P115 -1 P116 -1 P-63 P-63S P-63 P-63S P-64 -i Favona Decline P-61 -1 Figure 46 OCEANA GOLD (NEW ZELAND) LTD WAIHI NORTH PROJECT Favona - Graben and Horst Piezometers Ref. No: 9049 Date: Mar 2022 Drawn: CL/ET File: 9049-Settlement

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