Supporting Technical Assessments

FINAL 410.05 JT, 60°/ -, u, r, CA 410.17 JT, 40°/ -, u, r, CA 410.35 JT, 45°/ -, u, r, Py 411.00 JT, 30°/ 190°, st, r, CLAY 411.75 JT, 19°/ 280°, u, sl, CLAY 412.02 JT, 60°/ 215°, u, sl, CLAY 416.14 JT, 68°/ -, u, r, CN 416.33 - 416.35 SS, 55°/ -, u, sm, CN 417.95 JT, 40°/ 340°, u, r, CLAY WAIPUPU FORMATION Moderately weathered; light pale grey porphyritic ANDESITE; weak; clay and pyrite altered; pyrite disseminated; non magnetic Moderately weathered; grey; BRECCIA (andesite); weak; pyrite disseminated; non magnetic; matrix supported; poly-clastic; clasts of moderately strong to strong andesite and chert Moderately weathered; light pale grey porphyritic ANDESITE; weak; clay and pyrite altered; pyrite disseminated; non magnetic Moderately weathered; grey; BRECCIA (andesite); weak; pyrite disseminated; non magnetic; matrix supported; poly-clastic; clasts of moderately strong to strong andesite and chert TCR: 100 RQD: 100 TCR: 100 RQD: 100 TCR: 100 RQD: 100 TCR: 100 RQD: 100 410 412.45 415.85 416.3 HQTT HQTT HQTT HQTT MW Sample / Test 410 411 412 413 414 415 416 417 418 419 420 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) 411 412 413 414 415 416 417 418 419 RL (m) 64 63 62 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 : 42 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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