Supporting Technical Assessments

FINAL 130.30 JT, 49°/ -, u, r, CA, trace Py 131.46 JT, 55°/ 18°, u, r, CLAY, trace Py 131.60 JT, 42°/ 280°, u, r, CA 131.70 JT, 50°/ 330°, u, r, CA 131.72 JT, 50°/ 330°, u, r, CA 131.98 JT, 22°/ 300°, u, r, CA, trace Py 133.46 VN, 40°/ 280°, u, r, Py, trace other sulphides 133.68 VN, 40°/ 300°, u, r, Py, trace other sulphides 134.00 JT, 46°/ 320°, u, r, CLAY, trace Py and other sulphides 134.40 JT, 40°/ 290°, u, r, CLAY, trace CA and Py 134.67 JT, 32°/ 340°, u, r, CLAY, trace CA and Py 135.10 JT, 60°/ 320°, u, r, CA 135.80 JT, 10°/ 70°, u, r, CA, trace CLAY 136.30 JT, 45°/ 340°, u, sl, CA, trace CLAY 136.40 JT, 30°/ 320°, u, sl, CA, trace CLAY 136.47 VN, 40°/ 315°, u, r, Py, trace sulphides 136.53 VN, 35°/ 325°, u, r, Py, trace sulphides 136.86 JT, 75°/ 240°, u, r, CA 137.40 JT, 30°/ 140°, u, r, CLAY, trace other sulphides 137.45 JT, 40°/ 40°, u, r, CLAY, trace CA and other sulphides 137.94 JT, 78°/ 150°, u, r, CA 138.88 JT, 56°/ 295°, u, r, CA, trace CLAY 139.05 VN, 48°/ 350°, u, r, Py, trace CA and other sulphides 139.11 JT, 70°/ 121°, u, r, Py, trace CA 139.59 JT, 55°/ 305°, u, r, CA, trace Py WAIPUPU FORMATION Moderately weathered; grey; clay altered ANDESITE; moderately strong; pyrite disseminated; recovered partially as gravel sized fragments Slightly weathered; grey; porphyritic ANDESITE; strong; pyrite disseminated; non magnetic; frequent randomly orientated calcite veins (2-6 mm) calcite veins with pale grey alteration halos; some gravel to boulder sized inclusions of red (hematite altered) andesite TCR: 100 RQD: 100 TCR: 100 RQD: 100 TCR: 100 RQD: 98 TCR: 100 RQD: 100 TCR: 100 RQD: 100 TCR: 100 RQD: 91 TCR: 100 RQD: 97 TCR: 100 RQD: 96 130.5 131.1 PQTT PQTT PQTT PQTT PQTT PQTT PQTT PQTT SW MW SW Sample / Test 130 131 132 133 134 135 136 137 138 139 140 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) 131 132 133 134 135 136 137 138 139 RL (m) 160 159 158 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 : 14 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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