Supporting Technical Assessments

FINAL 349.89 JT, 75°/ 300°, u, r, CLAY 350.06 JT, 55°/ 105°, u, r, CLAY 350.25 JT, 20°/ 120°, u, sl, CA, trace CLAY 350.96 JT, 50°/ 265°, u, sl, CLAY 352.47 JT, 30°/ 5°, u, sl, CLAY 352.91 JT, 82°/ -, u, r, CLAY 353.27 JT, 40°/ 42°, u, r, CLAY 353.86 JT, 50°/ 281°, u, sl, CLAY 354.04 JT, 68°/ 214°, u, r, CLAY 354.43 JT, 72°/ 260°, u, sl, CLAY 354.60 JT, 71°/ 235°, u, sl, CLAY, trace CA 354.78 JT, 70°/ 225°, u, r, CLAY 355.67 JT, 40°/ -, u, r, CLAY 357.07 JT, 42°/ -, u, sl, CLAY 357.14 JT, 40°/ -, u, r, CLAY 357.27 JT, 45°/ -, u, sm, CLAY 357.40 JT, 55°/ -, u, sl, CLAY 357.58 JT, 20°/ -, st, r, CLAY, trace CA 357.95 JT, 18°/ -, u, r, CLAY 358.40 JT, 60°/ 300°, u, r, CLAY 359.03 JT, 65°/ 260°, u, sl, CLAY 359.28 JT, 70°/ 185°, u, sl, CN 359.40 JT, 52°/ 270°, u, sl, CLAY WAIPUPU FORMATION Moderately weathered; grey; clay altered ANDESITE; weak; pyrite disseminated; non magnetic (continued from layer starting at 344.5m ) TCR: 100 RQD: 100 TCR: 100 RQD: 100 TCR: 100 RQD: 97 TCR: 94 RQD: 100 359.9 HQTT HQTT HQTT HQTT MW Sample / Test 350 351 352 353 354 355 356 357 358 359 360 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) 351 352 353 354 355 356 357 358 359 RL (m) 85 84 83 82 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 : 36 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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