Supporting Technical Assessments

FINAL 160.15 JT, 50°/ -, u, r, CA 161.10 JT, 50°/ 305°, u, r, CLAY 161.53 JT, 10°/ 290°, u, r, CA 161.60 JT, 10°/ 280°, u, r, CA 161.62 JT, 10°/ 245°, u, r, CA, trace Py 161.70 JT, 85°/ 280°, u, r, CA 162.58 VN, 20°/ -, u, r, Py, trace other sulphides 162.95 - 163.04 SS, 30°/ -, u, r, CA, trace gravel and sand sized fragments of andesite 163.20 JT, 30°/ -, u, r, CA 163.25 JT, 50°/ -, u, r, CA 163.37 JT, 15°/ -, u, r, CLAY, trace Py 163.50 JT, 38°/ -, u, r, CA 164.17 JT, 60°/ 70°, u, sl, CLAY, trace Py and other sulphides 164.79 JT, 80°/ 200°, u, r, CA 165.25 - 165.49 SZ, 30°/ -, u, r, CLAY, trace gravel and sand sized fragments of andesite, unable to ori 165.55 JT, 30°/ -, u, r, CA 165.81 JT, 80°/ -, u, r, CA 166.50 VN, 38°/ 300°, u, r, CA 167.30 JT, 40°/ 190°, u, r, CA 167.40 JT, 30°/ 200°, u, r, CA 167.72 VN, 68°/ 230°, u, r, CA 167.80 JT, 18°/ -, u, r, CA, trace Py 168.09 JT, 40°/ 200°, u, r, CN 168.20 JT, 32°/ 230°, u, r, CA 168.40 JT, 55°/ 40°, u, r, CA 168.60 JT, 55°/ 220°, u, r, CA, trace Py 169.00 JT, 60°/ 20°, u, r, Py, trace CLAY 169.20 VN, 38°/ 30°, u, r, Py, trace CA WAIPUPU FORMATION CORE LOSS 0.1m Slightly weathered; grey; porphyritic ANDESITE; strong; pyrite disseminated; non magnetic; frequent randomly orientated calcite veins (2-6 mm) calcite veins TCR: 93 RQD: 100 TCR: 100 RQD: 88 TCR: 100 RQD: 97 TCR: 100 RQD: 100 TCR: 100 RQD: 96 TCR: 100 RQD: 100 TCR: 100 RQD: 95 TCR: 100 RQD: 100 1660..1055 169.6 PQTT PQTT PQTT PQTT PQTT PQTT PQTT PQTT SW Sample / Test 160 161 162 163 164 165 166 167 168 169 170 20 60 200 600 2000 Estimated Strength (MPa) Defect Spacing (mm) Description (and sub Detail) Visual Defect Result Geological Unit Material Description Number / Type EW VW W MS S VS ES TCR RQD SCR (%) Depth (m) 161 162 163 164 165 166 167 168 169 RL (m) 150 149 148 147 Graphic Notes and Comments: Refer to explanation sheets for abbreviation and symbols. Ground Water Level Time Date Reading Hole depth (mbgl) (mbgl) Equipment: Rig 85 Orientation: 301° Inclination: -20° End of Hole @ 706.8m Contractor: Alton Drilling Casing Method Commenced: 17/05/2021 Easting: 2762594 Hole No. : WNDD011 Completed: 6/07/2021 Sheet : 17 of 71 Hole Length : 706.8 Project : WKP Exploration Tunnel - Ground Investigations Client : OceanaGold Corporation Job Number: 12533958 Processed : HJ System: NZMG 1949 Northing: 6424371 Checked : JHS Datum: NZVD2016 Logged : HJ Site : Willows Farm, Waihi North, Scale @ A4 : 1:50 Method: SURVEY RL: 205 m Flush Return (%) 25 50 75 Weathering Instrumentation Installation Water level Report ID: ROCKLOG || Project: WNDD011.GPJ || Library: GHD - NZGD.GLB || Date: 30 August 2021

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