Supporting Technical Assessments

FINAL 322.07 JT, 62°/ -, u, r, CA 324.85 JT, 11°/ 20°, u, sl, CLAY, trace CA 326.15 VN, 18°/ -, u, r, CA 326.97 JT, 50°/ -, u, r, CLAY 327.65 JT, 60°/ 25°, u, r, CLAY, trace CA 327.97 JT, 70°/ 48°, u, r, CA 328.40 JT, 80°/ 178°, u, r, CN 328.62 JT, 38°/ 355°, u, r, CN 329.40 JT, 55°/ 60°, u, r, CA, trace CLAY 329.85 JT, 22°/ 210°, u, sl, CLAY, WAIPUPU FORMATION Moderately weathered; dark grey; clay altered ANDESITE; weak; pyrite disseminated; sulphide rich; frequent drilling induced damage/core spins (continued from layer starting at 316.3m ) 323.00 no drilling induced damage/core spins TCR: 100 RQD: 100 TCR: 100 RQD: 100 TCR: 100 RQD: 100 TCR: 100 RQD: 100 TCR: 100 RQD: 100 HQTT HQTT HQTT HQTT HQTT MW Sample / Test 320 321 322 323 324 325 326 327 328 329 330 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) 321 322 323 324 325 326 327 328 329 RL (m) 95 94 93 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 : 33 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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