Supporting Technical Assessments

FINAL 380.16 JT, 60°/ -, u, r, Py, trace CLAY 380.25 JT, 85°/ -, u, r, CN 380.95 JT, 65°/ -, pl, sl, Py 382.00 JT, 22°/ 350°, u, r, CA, trace CLAY 382.24 JT, 15°/ 340°, u, r, CA, trace CLAY and Py 384.44 JT, 70°/ 30°, u, r, Py 384.51 JT, 65°/ 350°, u, r, CA, trace Py 385.17 JT, 40°/ -, u, r, Py 385.57 VN, 30°/ -, u, r, CA, trace Py 385.64 VN, 70°/ -, u, r, Py, trace CA 385.95 JT, 80°/ 100°, st, r 386.08 JT, 85°/ 310°, u, r, CA, trace Py 386.40 JT, 80°/ 310°, st, r, CA 386.65 JT, 60°/ 320°, u, r, CA 386.73 VN, 30°/ 80°, u, r, CA 386.90 VN, 20°/ 40°, u, r, CA, trace Py 386.91 VN, 20°/ 80°, u, r, CA, trace Py 387.41 JT, 25°/ 70°, u, r, CA 387.74 JT, 70°/ 300°, u, r, CA 388.39 JT, 70°/ 80°, u, r, CA 388.57 JT, 80°/ 40°, st, r, CN 389.13 JT, 60°/ -, u, r, CN 389.22 JT, 80°/ -, u, r, CN 389.50 JT, 40°/ -, st, r, CN WAIPUPU FORMATION CORE LOSS 0.1m Slightly weathered; pale light grey; porphyritic ANDESITE; moderately strong; pyrite disseminated; non magnetic; frequent randomly orientated calcite veins (<2mm) with dark grey halos CORE LOSS 0.1m Slightly weathered ANDESITE: as per unit starting 380.80 m TCR: 97 RQD: 95 TCR: 100 RQD: 100 TCR: 100 RQD: 100 TCR: 100 RQD: 100 TCR: 100 RQD: 82 TCR: 100 RQD: 94 TCR: 100 RQD: 100 TCR: 100 RQD: 100 TCR: 97 RQD: 97 3803.80.7 3893.189 HQTT HQTT HQTT HQTT HQTT HQTT HQTT HQTT HQTT SW Sample / Test 380 381 382 383 384 385 386 387 388 389 390 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) 381 382 383 384 385 386 387 388 389 RL (m) 75 74 73 72 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 : 39 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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