Supporting Technical Assessments

FINAL 560.05 JT, 60°/ 80°, u, r, Py 560.50 JT, 59°/ 70°, u, r, Py 560.70 JT, 50°/ 80°, u, r, CA 560.90 VN, 25°/ 330°, u, r, CA, closed 561.30 JT, 62°/ 80°, u, r, CLAY 561.42 JT, 70°/ 120°, u, r, CN 561.87 JT, 72°/ 45°, u, r, CN 562.03 JT, 80°/ 240°, u, sm, Py 562.56 JT, 56°/ 180°, u, r, CA 562.61 JT, 54°/ 220°, u, r, CA 563.24 JT, 60°/ 50°, u, r, CA, trace Py 564.66 JT, 58°/ 60°, u, r, CN 564.87 JT, 60°/ 45°, u, r, CA 565.04 JT, 55°/ 350°, st, sm, CN, trace Py 565.36 JT, 25°/ 355°, u, r, CA 566.27 JT, 69°/ -, u, r, CA 567.00 JT, 18°/ -, u, r, CA 567.26 JT, 22°/ -, u, r, CA 567.47 JT, 20°/ -, u, r, CN 568.35 JT, 62°/ -, u, r, CN 568.59 JT, 50°/ -, u, r, CN 568.87 JT, 35°/ -, u, r, CA 569.20 JT, 30°/ -, u, r, CA, trace Py 569.22 JT, 45°/ -, u, r, CA, trace Py 569.39 JT, 50°/ -, u, r, CN 569.75 JT, 30°/ -, u, r, CA WAIPUPU FORMATION Slightly weathered; pale grey ANDESITE; moderately strong; some clay alteration at defect boundaries; pyrite disseminated; non magnetic (continued from layer starting at 556.3m ) Slightly weathered; grey; porphyritic ANDESITE; strong; pyrite disseminated; some randomly orientated calcite veins (<2mm); some with dark grey alteration halos at defect boundaries; rare gravel to boulder sized inclusion inclusions of strong fine grained andesite 567.50 - 567.80 drilling disturbance - recovered as gravel sized fragments TCR: 100 RQD: 98 TCR: 100 RQD: 100 TCR: 100 RQD: 100 TCR: 100 RQD: 100 TCR: 100 RQD: 99 562.3 HQTT HQTT HQTT HQTT HQTT SW Sample / Test 560 561 562 563 564 565 566 567 568 569 570 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) 561 562 563 564 565 566 567 568 569 RL (m) 13 12 11 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 : 57 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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