Supporting Technical Assessments

99 92 109 99 94 103 99 90 HQ Coring CW HW CWHW HW CWHW 58 84 63 82 39 94 78 83 from 10.3m, highly weathered, weak from 12.4m, completely weathered to highly weathered, very weak from 13.7m, highly weathered, weak from 16.5m, completely weathered to highly weathered, extremely weak to very weak from 17.0m, highly weathered, weak Coromandel Volcanics 10.0 [] -Joint @ 10.2m, steeply inclined, undulating smooth to rough, narrow, Iron Oxide staining -Joint @ 10.32m, gently inclined, undulating to stepped, rough, very narrow, IronOxide staining -Joint @ 10.41m, moderately inclined, undulating, smooth to rough, narrow to moderately narrow, minor Manganese, Iron staining -Joint @ 11.0m, gently to moderately inclined, stepped, rough to smooth, narrow, Iron Oxide staining (mottled) -Joint @ 11.3m,steeply inclined, undulating to stepped, rough to smooth, very narrow, Iron staining -Joint @ 11.8m, gently to moderately inclined, stepped, rough, narrow, Iron Oxide staining -Joint @ 12.1m, very steeply inclined to sub-vertical, undulating to stepped, rough, narrow,iron staining (mottled) -Joint @ 12.36m, gently inclined, undulating, rough to smooth, narrow, Iron Oxide -Crush zone @ 12.4m- 12.5m, cobble, fine to coarse gravel, fine to coarse sand, silt, poorly graded, sub rounded to sub angular clasts, minor Iron staining -Joint @ 12.8m gently inclined, undulating to stepped, smooth, very narrow, minor iron staining -Joint @ 12.9m, steeply to very steeply inclined, undulating, smooth to rough, very narrow, Iron Oxide -Joint @ 13.0m, subhorizontal to gently inclined, stepped, rough, narrow to moderately narrow, Iron -Joint @ 13.2m, very steeply inclined, undulating, rough, very narrow to narrow, Iron -Joint @ 14.06m, subhorizontal to gently inclined, undulating to stepped, rough,very narrow, Iron 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.: GLD03a HB CDM/AS HB BOREHOLE with Piezo LOG Commenced: 20-Jun-17 Completed: 20-Jun-17 Contractor: Perry Geotech Datum: Total Depth: 21.0m Sheet 2 of 3 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 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 HW -Joints @ 14.22, 14.28 & 14.4 m, gently inclined, undulating, rough, very narrow to narrow, Iron Oxide -Joint s @ 14.6, 14.7 & 14.8 m, moderately to steeply inclined, stepped to undulating, smooth, very narrow, Iron oxide -Joint s @ 15.08m, 15.18 & 15.23 m gently inclined, stepped to undulating, rough, very narrow, Iron Oxide -Joint @ 15.4m [or DB], subhorizontal, undulating, rough, moderately wide, Iron Oxide -@ 16.0m, very steeply inclined to sub-vertical, undulating to stepped, smooth, very narrow, Iron -Joint @ 16.2m, gently inclined, undulating to stepped, rough to smooth, narrow, Iron Oxide -Joint @ 16.3m, sub-horizontal to gently inclined, stepped, rough to smooth, very narrow to narrow, Iron -Joints @ 17.5m, 17.81 and 17.97 m, sub-horizontal to gently inclined, undulating to stepped, rough, very narrow to tight, iron -Joints @ 18.2m, 18.25m & 18.3m gentle to moderately inclined, undulating, rough, very narrow to tight, Iron Oxide - -Joint s @ 19.15m and 19.35m, sub-horizontal, undulating, rough, very narrow to tight, DB? -Joints @ 19.4m &19.77m, moderately inclined, undulating, rough, narrow to moderately wide, minor Iron Oxide

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