Supporting Technical Assessments

98 100 99 90 103 100 100 HQ Coring SW 93 91 62 84 70 80 10.4 m: possible tuff layer 100 mm thick from 10.5m: slightly weathered, moderately strong-strong, closely spaced to moderately widely spaced from 11.38m: becomes brownish grey Termination Depth = 19.5m, Homunga Rhyolite - Lava 10.0 [] 19.5 [] -Vein at 10.31 in 5 cm wide white (weathered) phenocrysts, moderately narrow, weak, rough Vein/ Joint at 11.20-12.11, Very steeply inclined, narrowmoderately narrow, undulating, smooth, weathered, grey infill breakdown to silt Vein/ Joint from 11.34-11.86, Sub vertical, moderately narrow, undulating, smooth, weathered grey min infill to silt breakdown Joint set (1) from 12.0m becomes gently inclined to moderately inclined + conjugate joints 30-45 difference to approx 15 m equally spaced (Moderately widely spaced) -Joints/vein, 15.55 and 15.62, 15.6-15.75, Very steeply Inclined, moderately narrow, undulating, smooth, narrow, weathered grey minerals and infill of weathered material -Crushed zone at 16.5-16.54, likely caused by drilling -Joint/vein at 16.86-16.945, Very steeply inclined, moderately narrow to narrow, undulating, smooth, weathered grey min -Joint at 16.93-17.06, Sub vertical, undulating, smooth, narrow, white mineral infill weathering -Joint at 17.1- 17.17, fine to coarse-grained gravel vein, smooth, very narrow, undulating, grey phenocrysts -Joint at 17.25-17.93, Subvertical, undulating, smooth, very narrow to narrow, weathered white mineral infill, breaks down to silt -Vein at 18.05-18.21, Moderately weathered, narrow, undulating, smooth, very steeply inclined,grey mineralisation -Vein at 18.31-18.61, Subvertical, undulating, smooth- rough, manganese, grey minerals / phenocrysts -Joint set (1) end 18.44 PO Box 6543 Auckland 1141 GHD Limited Project Quattro OceanaGold Ltd Waihi - TSF3 51/37083 Site Identification: Logged: Processed: Checked: Project: Client: Site: Job No.: AP10a JM AS HB BOREHOLE with Piezo LOG Commenced: 30-May-17 Completed: 30-May-17 Contractor: Perry Geotech Datum: Mine (1000 m) Total Depth: 19.5m Sheet 2 of 2 BOREHOLE LOG NZ ALT 5137083_NZ LIB_PROJECT QUATTRO - TSF3 HB COMPLETE DRAFT.GPJ NZ GINT DATA TEMPLATE VER 1.5.GDT 10/8/17 Piezometer Shear Vane: Drilling Method 11 12 13 14 15 16 17 18 19 20 -90 Comments: ROCK DESCRIPTION: Weathering, colour, fabric, ROCK NAME (Formation Name) W MS VS S Water Bore Diameter (mm): Inclination: VW ES Core Run / Recovery (%) 20 60 200 600 2000 SOIL DESCRIPTION: (Soil Code), Soil Name [minor MAJOR], colour, structure [zoning, defects, cementing], plasticity or grain size, secondary components, structure. (Geological Formation) / Defect Spacing (mm) RQD (%) Estimated Rock Strength EW Graphic Log Classification Support / Casing (m) JD Tractor Rig Depth (m)/ [Elev.] Equipment: Weathering Consistency/ Relative Density Moisture Condition TESTS & SAMPLES / ROCK MASS DEFECTS: Depth, Type, Inclinations, Roughness, Texture, Aperture, Coating Geological Fm 11 12 13 14 15 16 17 18 19 20 96 Coordinates: Refer to attached Table Elevation: Refer to attached Table

RkJQdWJsaXNoZXIy MjE2NDg3