Supporting Technical Assessments

FINAL 210.10 JT, 19°/ 280°, u, r, CLAY, trace CA 210.74 JT, 60°/ 130°, u, r, Py 211.88 JT, 60°/ -, u, r, CN, trace Py 215.13 JT, 55°/ 300°, u, r, CA, trace Py 215.28 VN, 68°/ 300°, u, r, CA 215.40 VN, 80°/ 290°, u, r, CA 215.49 JT, 75°/ 280°, u, r, CA 215.58 JT, 72°/ 150°, u, r, CN 215.92 JT, 65°/ 100°, u, r, CA 216.07 JT, 70°/ 60°, u, r, CN 216.43 JT, 52°/ 130°, u, r, CA 216.87 JT, 80°/ 170°, u, r, CA, trace Py 217.05 JT, 50°/ 220°, u, r, CN 217.37 JT, 45°/ 200°, u, r, CN, trace CA 217.56 JT, 82°/ 56°, u, r, CA, trace CLAY 218.73 JT, 82°/ 60°, u, r, CN 219.10 JT, 80°/ 70°, u, r, CN 219.87 JT, 70°/ -, u, r, CA, trace WAIPUPU FORMATION Slightly weathered; grey; porphyritic ANDESITE; moderately strong; pyrite disseminated; non magnetic (continued from layer starting at 209.0m ) Moderately weathered; pale grey; clay altered ANDESITE; weak; pyrite disseminated; non magnetic Slightly weathered; grey; porphyritic ANDESITE; strong; pyrite disseminated; non magnetic; some randomly orientated calcite veins (2-6 mm) TCR: 100 RQD: 100 TCR: 100 RQD: 100 TCR: 100 RQD: 100 TCR: 100 RQD: 89 TCR: 100 RQD: 100 TCR: 100 RQD: 100 TCR: 100 RQD: 100 212.25 215.5 PQTT PQTT PQTT PQTT PQTT PQTT PQTT SW MW SW Sample / Test 210 211 212 213 214 215 216 217 218 219 220 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) 211 212 213 214 215 216 217 218 219 RL (m) 133 132 131 130 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 : 22 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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