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 14 Site Appraisal - Northern Rock Stack and Process Plant 190 180 170 160 150 130 120 140 110 150 130 110 100 200 190 180 170 160 170 160 150 130 160 120 110 130 100 170 150 140 140 120 100 140 120 110 170 160 150 140 140 130 150 140 140 120 130 120 110 140 100 130 100 140 130 120 140 120 230 200 190 180 170 160 180 170 160 170 150 140 160 150 140 130 130 120 140 110 110 100 110 100 130 120 110 110 100 120 110 110 100 170 160 150 140 130 120 140 120 130 120 120 110 130 110 120 110 130 120 120 100 110 100 110 100 120 100 230 220 170 160 170 160 170 160 140 130 130 120 120 110 120 110 110 100 140 160 150 130 100 100 110 120 120 130 100 100 100 130 100 190 170 170 120 130 100 100 120 100 120 100 110 110 110 220 190 190 180 180 180 170 160 130 140 130 120 120 110 110 110 110 100 100 100 100 110 100 110 100 100 100 100 170 110 110 100 100 100 100 100 100 100 100 100 100 100 Site Appraisal Northern Rock Stack and Process l t Date: 13 April 2022 | Revision: 0 l l f i ll i i Project Manager: rhys.girvan bof a iskell.co.nz | Drawn: B c i . f i ll. . Fi le Ref: BM210482_13_A3L_NRS_SiteAppraisal.mxd 0 200 m 1:4,500 @ A3 Projection: NZGD 2000 New Zealand Transverse Mercator Data Sources: 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 external sources, it has been assumed that it is accurate. No liability or esponsibility is accep ed by Boffa Mi kell Limited for any errors or omissions t th extent that they arise from inaccurate information provided by the Client or any external source. Proposed Pit Proposed Fill - Northen Rock Stack Perimiter Road and Diversion Drain Temporary Stockpiles Existing Contours (2m) LEGEND Figu 2 8 5 1 0 12 4 11 1 7 7 0 5 0 0 0 0 1 0 3 1 100 0 1 1 0 6 0 3 2 1 1 1 0 1 5 1 0 1 0 13 1 0 1 1 1 2 0 0 1 1 0 1 12 0 1 0 9 0 10 7 0 0 1 0 0 1 1 0 0 0 1 00 1 1 0 H r isal Northern Rock Stack a o h v a e n a l im h ' c h r o o n y third party is at that party's ow d s t it c . li i y e k ed r ns t e t a y n a or d i NRS Topsoil Stockpiles Magazine Workshop Collection Pond Portal cutback Process Plant

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