Supporting Technical Assessments

FINAL trace sulphides 40.60 JT, 50°/ 260°, u, r, CA 40.90 JT, 18°/ 250°, u, r, CA, trace Py 41.05 VN, 42°/ 320°, u, r, CA 41.16 JT, 75°/ 120°, u, r, CN, trace CLAY 41.25 JT, 60°/ 145°, u, r, CN 41.60 VN, 30°/ 240°, u, sm, CLAY 41.73 JT, 28°/ 221°, u, sm, CN, trace CLAY 41.84 VN, 50°/ 285°, u, r, CA 41.93 VN, 50°/ 280°, u, r, CA 42.65 VN, 62°/ 275°, u, r, CA 42.87 JT, 72°/ 85°, pl, sm, CA 43.50 VN, 55°/ 245°, u, r, CA, closed 44.00 VN, 45°/ -, u, r, CA 45.00 - 45.05 SS, 62°/ 285°, u, r, CLAY, trace gravel sized fragments of andesite 45.20 JT, 50°/ 300°, u, r, CLAY, trace Py 45.52 JT, 60°/ -, u, r, CLAY 45.62 JT, 38°/ -, u, r, CN, trace Py 45.84 - 45.85 SS, 50°/ -, u, r, CLAY, trace gravel sized fragments of andesite 46.50 JT, 28°/ 280°, u, sl, CLAY 48.70 VN, 60°/ 310°, u, r, CA 49.00 VN, 49°/ 305°, u, r, CA 49.25 VN, 55°/ 340°, u, r, CA 49.43 VN, 50°/ 240°, u, r, CA WAIPUPU FORMATION 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 (continued from layer starting at 37.9m ) Moderately weathered; pale grey; clay altered ANDESITE; weak; disseminated pyrite; non magnetic 48.00 moderately strong TCR: 100 RQD: 90 TCR: 100 RQD: 88 TCR: 100 RQD: 100 TCR: 100 RQD: 100 TCR: 100 RQD: 100 TCR: 100 RQD: 100 TCR: 100 RQD: 100 TCR: 100 RQD: 45.62 PQTT PQTT PQTT PQTT PQTT PQTT PQTT PQTT SW MW Sample / Test 40 41 42 43 44 45 46 47 48 49 50 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) 41 42 43 44 45 46 47 48 49 RL (m) 191 190 189 188 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 : 5 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

RkJQdWJsaXNoZXIy MjE2NDg3