Supporting Technical Assessments

This plan has been prepared by Boffa Miskell Limited on the specific instructions of our Client. It is solely for our Client’s use in accordance with the agreed scope of work. Any use or reliance by a third party is at that party’s own risk. Where information has been supplied by the Client or obtained from other external sources, it has been assumed that it is accurate. No liability or responsibility is accepted by Boffa Miskell Limited for any errors or omissions to the extent that they arise from inaccurate information provided by the Client or any external source. File Ref: BM210482C_Waihi_North_Graphic_Supplement_FINAL.indd WAIHI NORTH Date: May 2022 | Revision: 4 Project Manager: [email protected] | Drawn: BMc | Checked: RGi Plan prepared for Oceana Gold by Boffa Miskell Limited www.boffamiskell.co.nz Figure 10 Gladstone Site Appraisal 160 150 140 130 120 170 110 150 140 130 120 110 100 140 120 110 100 140 130 120 110 140 100 130 120 110 120 110 110 100 120 110 110 90 130 120 110 100 110 100 150 90 110 110 120 160 140 120 100 160 140 120 110 110 100 100 100 120 120 90 Site Appraisal Gladstone Pit Date: 13 April 2022 | Revision: 0 o f roject Manager: rhys.girvan bof a iskel .co.nz | Dra n: B c f Fi le Ref: BM210482_11_A3L_Gladstone_SiteAppraisal.mxd 0 100 m 1:2,500 @ A3 Projection: NZGD 2000 New Zealand Transverse Mercator Data Sources: Waterways and Roads sourced from LNZ data service Proposed Infrastructure sourced from Oceana Gold LIDAR sourced from WRC l has be n prepared by Boffa Miskell Limited on the specific instructions of our Client. It is solely for our Client's use in accordance with the agreed scope of work. Any use or reliance by a third party is at that party's own risk. Where information has been supplied by the Client or obtained from other ext rnal sources, it has been assumed that it is accurate. No liability or esponsibility is accep ed by Boffa Miskell Limited for any errors or omissions to the extent that they arise from inaccurate information provided by the Client or any external source. Proposed Pit Existing Contours (2m) LEGEND i ure 9 3 1 2 100 10 Union Hill Winner Hill Gladstone Hill Process Plant

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