Supporting Technical Assessments

FINAL 31.65 - 31.70 SS, 65°/ 140°, pl, r, CLAY, trace gravel and sand sized fragments of andesite 32.35 JT, 80°/ -, pl, r, CLAY 32.53 JT, 40°/ -, u, sm, CLAY 33.15 JT, 48°/ -, u, sm, Mn, trace sulphides 33.60 JT, 70°/ -, u, r, CN 33.80 JT, 60°/ -, pl, sm, Mn, trace CLAY 34.00 JT, 45°/ -, u, r, Fe 34.05 JT, 70°/ -, u, r, Fe 34.26 JT, 79°/ -, u, r, CN, trace CLAY 34.60 JT, 41°/ -, u, r, CLAY 35.05 JT, 70°/ -, u, r, CN 35.40 JT, 32°/ -, u, r, Fe 35.70 JT, 25°/ -, u, r, CN 35.90 JT, 60°/ -, u, r, CN 36.05 JT, 22°/ -, u, r, CLAY 36.15 JT, 60°/ -, u, r, CN 36.95 JT, 77°/ 100°, u, sm, CN 37.20 JT, 15°/ 260°, u, r, CLAY 37.41 JT, 35°/ 245°, u, r, CLAY 37.90 VN, 42°/ 300°, u, r, CN 38.00 VN, 38°/ 260°, u, r, CA, closed 38.15 VN, 40°/ 285°, u, r, CA 38.28 VN, 25°/ 280°, u, r, CA, closed 38.40 JT, 82°/ 200°, pl, sm, CN 38.52 VN, 32°/ 280°, u, r, CA, closed 38.55 VN, 44°/ 240°, u, r, CA 39.37 JT, 55°/ 250°, u, r, CN 39.47 JT, 65°/ 250°, u, r, CN 39.62 VN, 50°/ 240°, u, r, CA 39.71 JT, 40°/ 250°, u, r, CN 39.77 JT, 80°/ 320°, pl, sm, Py, WAIPUPU FORMATION Moderately weathered; grey; porphyritic ANDESITE; moderately strong; disseminated pyrite; non magnetic; some gravel and boulder sized fragments of slightly weathered; grey; strong; andesite 31.30 - 32.00 recovered as gravel sized fragments Slightly weathered; grey; porphyritic ANDESITE; strong; non magnetic; pyrite disseminated; frequent randomly orientated calcite veins (<2mm); some gravel sized fragments of moderately weathered; reddish brown; andesite TCR: 100 RQD: 100 TCR: 100 RQD: 100 TCR: 100 RQD: 100 TCR: 100 RQD: 97 TCR: 100 RQD: 100 TCR: 100 RQD: 100 TCR: 100 RQD: 98 TCR: 100 RQD: 90 30 37.9 PQTT PQTT PQTT PQTT PQTT PQTT PQTT PQTT MW SW Sample / Test 30 31 32 33 34 35 36 37 38 39 40 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) 31 32 33 34 35 36 37 38 39 RL (m) 194 193 192 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 : 4 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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