Supporting Technical Assessments

FINAL 189.90 JT, 72°/ 100°, u, r, CA 190.45 JT, 20°/ 320°, u, r, Py, trace CLAY and other sulphides 191.22 JT, 81°/ 330°, u, r, CA 191.38 JT, 60°/ 190°, u, r, CN, trace Py 192.00 JT, 70°/ 175°, u, r, CN, trace Py 193.08 JT, 68°/ 140°, u, r, CN, trace Py 193.47 JT, 82°/ 135°, u, r, CN, trace Py 195.90 JT, 80°/ -, u, r, CA 196.00 - 196.06 SS, 78°/ 190°, u, r, CLAY, trace gravel and sand sized fragments of andesite; CA at boundaries 196.27 JT, 71°/ 230°, u, r, CA 196.50 JT, 36°/ 260°, u, r, CA 197.03 JT, 42°/ -, u, r, CA 197.12 - 197.16 SS, 45°/ 250°, u, r, CA, trace Py 197.27 JT, 50°/ 270°, u, r, CA 197.53 JT, 72°/ 230°, u, r, CA, trace Py and other sulphides 197.90 JT, 35°/ 225°, u, r, CA 198.90 JT, 80°/ 320°, u, r, CA 198.99 JT, 80°/ 200°, u, r, CA 199.30 JT, 22°/ 350°, u, sl, CLAY, trace CA 199.60 JT, 18°/ 10°, u, r, CLAY, trace CA 199.70 VN, 8°/ 236°, u, r, CA, WAIPUPU FORMATION Moderately weathered; pale grey; ANDESITE; moderately strong; pyrite disseminated; clay and pyrite altered; alteration halos around defects (continued from layer starting at 186.0m ) CORE LOSS 0.2m Moderately weathered; pale grey; ANDESITE; moderately strong; pyrite disseminated; clay and pyrite altered; alteration halos around defects Slightly weathered; grey; porphyritic ANDESITE; moderately strong; pyrite disseminated; non magnetic Moderately weathered; pale grey; clay altered ANDESITE; moderately strong; pyrite disseminated; non magnetic TCR: 100 RQD: 100 TCR: 71 RQD: 100 TCR: 100 RQD: 100 TCR: 100 RQD: 100 TCR: 100 RQD: 100 TCR: 100 RQD: 94 TCR: 100 RQD: 94 192.1 192.3 195.9 199.2 PQTT PQTT PQTT PQTT PQTT PQTT PQTT MW SW MW Sample / Test 190 191 192 193 194 195 196 197 198 199 200 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) 191 192 193 194 195 196 197 198 199 RL (m) 139 138 137 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 : 20 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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