Supporting Technical Assessments

GHD | Oceana Gold New Zealand Ltd. | 12552081 | Waihi North Project F-2 Area Gladstone Hill Martha Phase 4 Pit Martha Underground Combined Yr14 - 1.997 - 1.997 Yr15 - 2.032 - 2.032 Yr16 - 1.566 - 1.566 Yr17 - 1.206 - 1.206 TOTAL 3.374 9.151 4.964 17.490 Table 3 TSF1A Height Storage Table TSF1A Column 1 Column 2 Elevation (mRL) Volume (m3) Elevation (mRL) Volume (m3) 107 - 161 9,701,000 108 200 162 10,024,000 109 2,200 163 10,353,000 110 8,100 164 10,685,000 111 18,400 165 11,021,000 112 32,300 166 11,361,000 113 50,100 167 11,705,000 114 73,400 168 12,052,000 115 102,000 169 12,403,000 116 138,000 170 12,758,000 117 182,000 171 13,116,000 118 239,000 172 13,479,000 119 308,000 172.5 13,658,748 120 389,000 173 13,839,336 121 484,000 173.5 14,020,706 122 595,000 174 14,202,826 123 717,000 174.5 14,385,671 124 849,000 175 14,569,240 125 988,000 175.5 14,753,534 126 1,134,000 176 14,938,554 127 1,287,000 176.5 15,124,302 128 1,447,000 177 15,310,779 129 1,616,000 177.25 15,404,383 130 1,793,000 177.5 15,497,987 131 1,978,000 178 15,685,927 132 2,168,000 178.5 15,874,601 133 2,365,000 179 16,064,010 134 2,568,000 179.5 16,254,155 135 2,776,000 180 16,445,038 136 2,989,000 180.5 16,636,660

RkJQdWJsaXNoZXIy MjE2NDg3