Supporting Technical Assessments

97 91 107 47 77 103 100 80 HQ Coring MW 51 75 81 14 21 77 95 8 from 10.42m: becomes grey, moderately to slightly weathered, moderately strong to weak from 13.3m: moderately to slightly weathered, , orange white staining. NOTE: significant water loss from about 13.5m, low recovery, inferred fines from completely weathered rhyolite washed out from 16.5m: no staining, moderately to slightly weathered from 18.25m: becomes grey with orange staining Homunga Rhyolite - Lava -Crushed zone at 9.78-10.4m (possibly caused by drilling weak rock) - From 10.42m Joint set 1 continues closely spaced, steeply inclined to moderately inclined, undulating, rough to smooth (potentially drill breaks along planes of weakness) - Other fractures to 10.5m were drill breaks - 11.15m set 1 becomes closely spaced- moderately widely spaced -Joint set 1 becomes gently inclined -13.2m, Joint Set 1 becomes very closely spaced to closely spaced/crushed zone to 13.65m -Crushed zone from 13.5-15.0m -Crushed zone from 15.25-15.68m -Crushed zone from 15.98-16.68m -Joint set 1 from 16.4m becomes steeply inclined -16.75m Joint set 1 becomes closely spacedmoderately widely spaced -,, ,,,, ,Note: Conjugate fractures visble at 18.25m -,, ,,,, ,18.2518.38m: Very steeply inclined, very narrow, undulating to stepped, rough, white mineralization -Crushed zone from 19.3-19.4m -9.5m break up by drilling at start of run 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 2 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 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) 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 11 12 13 14 15 16 17 18 19 20 96 Coordinates: Refer to attached Table Elevation: Refer to attached Table

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