400 500 600 700 800 900 1000 1100 1200 -0.55 -0.50 -0.45 -0.40 -0.35 -0.30 -0.25 -0.20 -0.15 -0.10 -0.05 0.00 0.05 0.10 May-1988 May-1989 May-1990 May-1991 May-1992 May-1993 May-1994 May-1995 May-1996 May-1997 May-1998 May-1999 May-2000 May-2001 May-2002 May-2003 May-2004 May-2005 May-2006 May-2007 May-2008 May-2009 May-2010 May-2011 May-2012 May-2013 May-2014 May-2015 May-2016 May-2017 May-2018 May-2019 May-2020 May-2021 May-2022 May-2023 May-2024 May-2025 May-2026 May-2027 May-2028 May-2029 May-2030 May-2031 May-2032 May-2033 May-2034 Mine Dewatering Level (m) Settlement (m) 1.01 1.02D 1.03B 1.04 1.12 1.14 1.16 14AC 1A 1B 1C 1D 1EB 1FB 1GB 1HC 1I 1JB 1K 1LD 1ME 1O 1PA 1QC 1RA 1SC 3.03 3.05 3.07 3.12 3.14 3.15 3.22A 33A 33B 33C 33DB 33E 33F 33GA 4EC 4FB 5AC 6A 7AC BM1 BM14 BM29 BM4 BM5 BM6 BM7 Avg. Settlement Settlement Trigger Level Martha Pit/ Town UG Water Level MUG Empire PC1 UG Bore MUG Edward PC2 UG Bore MUG GW Drawdown Linear (Avg. Settlement) OCEANA GOLD (NEW ZELAND) LTD WAIHI NORTH PROJECT Ground Settlement - Zone 2 Settlement Trigger Level 65mm Ref. No: 9049 Date: Feb 2022 Drawn: CL/ET File: 9049-Settlement Engineering Geology Ltd Unit 7C, 331 Rosedale Rd, PO Box 301054, Albany Auckland , NZ Ph (09) 4862546 Fax (09) 4862556 Figure 54
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