Supporting Technical Assessments

103 57 43 106 0 169 95 14 HQ Coring HQ Coring M MW W W-S MW W-S W 'D' S-F F VSS St S F S-F F-St StVSt GP ML MH ML CH MH CH ML CH ML HW HW FILL: Fine to coarse GRAVEL; grey, sub-angular, dense, moist, [road aggregate fill] SILT, minor clay, trace fine sand; brown, soft to firm, moist to wet, low plasticity Clayey SILT; brown, firm, wet, medium to high plasticity from 1.9m: some coarse sand, fine to coarse gravel (weathered material) sub angular to angular grains present in fabric SILT, some fine to coarse sand, trace clay; brown, very soft to soft, wet to saturated, non plastic CLAY, some silt, trace fine to medium sand; brown, stiff, moist to wet, medium to high plasticity SILT, minor fine sand, trace clay; reddish-orange brown, soft, wet to saturated from 3.4m: firm CLAY, some silt, wet, firm, medium to high plasticity Silty CLAY, trace fine to medium sand, pink, wet, soft to firm, high plasticity from 7.0m: grey from 7.5m: brown SILT, some clay, minor trace fine to medium sand; brown, soft to firm, wet, low plasticity Silty CLAY, trace fine to medium sand; grey, firm to stiff, wet, high plasticity Very poor core recovery between 9.0m-10.5m: SILT, some clay, some fine to coarse sand; grey, stiff to very stiff, wet, non plastic [residual soil weathering from parent rock] Weathered Volcanics 0.1 [] 1.2 [] 2.0 [] 2.5 [] 3.0 [] 3.4 [] 3.5 [] 6.0 [] 8.0 [] 8.5 [] 9.0 [] -Note: GLD01b wash drill 0.013.5m, start log at 13.5- 40m; commenced 19/6/2017 ~ 1.5m south of GLD01a -Note: at 2.5m uncertain depth due to core loss -Decrease water circulation drill -Note: large recovery (core expanding) at 6.07.5m PO Box 6543 Auckland 1141 GHD Limited Project Quattro OceanaGold Ltd Waihi- Gladstone 51/37083 Site Identification: Logged: Processed: Checked: Project: Client: Site: Job No.: GLD01b HB AS HB BOREHOLE with Piezo LOG Commenced: 20-Jun-17 Completed: 20-Jun-17 Contractor: Perry Geotech Datum: Total Depth: 33.0m Sheet 1 of 4 BOREHOLE LOG NZ ALT 5137083_NZ LIB_PROJECT QUATTRO_FVN AND GLD HB 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) 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 and 114

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