Supporting Technical Assessments

107 80 0 120 95 78 78 107 97 HQ Coring Push Tube HQ Coring CW HW CW HW CW 20 12 77 51 W S W S-VS S 'L' 'VL' 'L' 'MD' 'L' 'MD' 'L' OL ML SM TOPSOIL: Organic SILT, trace sand and rootlets; black, soft to very soft, wet, non plastic, sand, fine to medium grained. SILT, with some clay and trace fine to medium grained sand; brown, soft, wet, high plasticity. from 0.6m: minor fine to coarse sand from 1.0m: trace fine gravel. Silty fine to coarse poorly graded SAND, with trace gravel; light brown, loose, wet, fine to medium grained poorly graded gravel. from 1.3m: with some silt, orange brown with grey mottling. from 1.5m: Very loose, saturated. from 2.5m: with some silt, minor fine to coarse poorly graded angular gravel. Loose. from 2.65m: becomes dark brown, medium dense, minor silt. from 3.0m: light brown, trace silt. Loose from 3.7m: becomes medium dense. Silty fine to coarse poorly graded SAND, with trace gravel; purplish grey. Medium dense, wet, fine to coarse grained poorly graded completely weathered rhyolite gravel. Completely weathered, fine to medium, purpleish grey RHYOLITE FLOW; weak; very closely spacedclosely spaced horizontal deflects/weakeness derived bedding; breaks down with pressure fine to coarse-grained sand with some gravel and silt Fine to coarse poorly-graded subrounded GRAVEL, orange to grey. Loose, wet. Completely weathered, fine to medium, purpleish grey RHYOLITE FLOW; weak; very closely spaced-closely spaced horizontal deflects/ weakeness derived bedding; breaks down with pressure fine to coarse-grained sand with some gravel and silt from 6.22m: becomes white. from 6.5m: becomes grey, highly weathered. from 7.92m: grey with orange staining, completely weathered from 9.0m: becomes highly weathered from 9.65m: becomes completely weathered Alluvium Homunga Rhyolite - Lava 0.2 [] 1.1 [] 3.8 [] 5.0 [] 5.2 [] -Push tube at 2 m (low recovery) -Joint set 1, sub horizontal, undulating, smooth, narrow, closed (weakness likely caused by drilling) -Joint set 1 ends at 7.74m -Joint at 8.03m, steeply inclined, moderately weathered (closed), undulating, smooth, very strong iron staining -Joint at 8.19m, very strong iron staining 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.: AP09 JM AS LP BOREHOLE with Piezo LOG Commenced: 01-Jun-17 Completed: 01-Jun-17 Contractor: Perry Geotech Datum: Mine (1000 m) Total Depth: 21.0m Sheet 1 of 3 BOREHOLE LOG NZ ALT 5137083_NZ LIB_PROJECT QUATTRO - TSF3 LP COMPLETE DRAFT.GPJ NZ GINT DATA TEMPLATE VER 1.5.GDT 10/8/17 Piezometer Shear Vane: Drilling Method 1 2 3 4 5 6 7 8 9 10 -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) tractor 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 1 2 3 4 5 6 7 8 9 10 96 Coordinates: Refer to attached Table Elevation: Refer to attached Table Ash

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