Supporting Technical Assessments

FINAL 290.10 JT, 60°/ 110°, u, r, CLAY, trace other sulphides 296.44 JT, 70°/ 335°, u, sl, Py 296.94 JT, 62°/ 330°, u, sl, CLAY 296.96 JT, 50°/ 260°, u, r, CLAY 297.90 JT, 50°/ 98°, u, sl, CLAY WAIPUPU FORMATION Moderately weathered; dark grey; clay altered ANDESITE; weak; pyrite disseminated, sulphide rich; some hydrothermal brecciation through ground mass (continued from layer starting at 288.0m ) 100 TCR: 100 RQD: 100 TCR: 100 RQD: 100 TCR: 100 RQD: 100 TCR: 100 RQD: 100 TCR: 100 RQD: 99 TCR: 100 RQD: 100 TCR: 100 RQD: 100 PQTT PQTT PQTT PQTT PQTT PQTT PQTT MW Sample / Test 290 291 292 293 294 295 296 297 298 299 300 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) 291 292 293 294 295 296 297 298 299 RL (m) 105 104 103 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 : 30 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

RkJQdWJsaXNoZXIy MjE2NDg3