Supporting Technical Assessments

Approved by: Process Manager Approval Date: 16/12/2021 Next Review: 16/122023 OceanaGold Waihi Document ID: WAI-250-PLN-003 Page 36 of 44 Hazardous Substances Management Plan Compliance Expiry Name Workgroup Employer Compliance Expiry Waihi Hazardous Substances 2 HARGREAVES, Troy (400036) Waihi Processing Production Shift C OceanaGold 2/10/2020 2/10/2022 Waihi Hazardous Substances 2 HARLEY, Noel Waihi Management Accountant AWF 5/11/2020 5/11/2022 Waihi Hazardous Substances 2 HILLYARD, Rebecca (400503) Waihi Environmental Consenting Advisor OceanaGold 10/11/2020 10/11/2022 Waihi Hazardous Substances 2 HONG, Seunghyung (400233) Waihi Plant Metallurgist OceanaGold 5/11/2020 5/11/2022 Waihi Hazardous Substances 2 KUIZINAS, Andrew (400050) Waihi Processing Maintenance Supervisors OceanaGold 5/11/2020 5/11/2022 Waihi Hazardous Substances 2 LOWE, Peter (400053) Waihi HST Advisors OceanaGold 5/11/2020 5/11/2022 Waihi Hazardous Substances 2 MCDONALD, Grant (400232) Waihi Environmental Technicians OceanaGold 10/11/2020 10/11/2022 Waihi Hazardous Substances 2 MORTON, Alex (400067) Waihi Processing Production Shift C OceanaGold 24/11/2020 24/11/2022 Waihi Hazardous Substances 2 MORTON, Scott (400066) Waihi Processing Production Shift C OceanaGold 8/10/2020 8/10/2022 Waihi Hazardous Substances 2 OLIVER, David (400069) Waihi HST Advisors OceanaGold 7/10/2020 7/10/2022 Waihi Hazardous Substances 2 PECK, Karl (400126) Waihi Processing Production Shift C OceanaGold 2/10/2020 2/10/2022 Waihi Hazardous Substances 2 PERKINSON, Shay (400108) Waihi Environmental Technicians OceanaGold 10/11/2020 10/11/2022 Waihi Hazardous Substances 2 PHILLIPS, Tegan (400304) Waihi Processing Maintenance Electrical OceanaGold 5/11/2020 5/11/2022 Waihi Hazardous Substances 2 RALPH, Anthony (400076) Waihi Processing Maintenance Mechanical OceanaGold 5/11/2020 5/11/2022 Waihi Hazardous Substances 2 ROSS, Brian (400081) Waihi Processing Production Shift C OceanaGold 8/10/2020 8/10/2022 Waihi Hazardous Substances 2 SMITH, Jason (400380) Exploration Waihi Core & Field Technicians 1 OceanaGold 10/11/2020 10/11/2022 Waihi Hazardous Substances 2 SMITH, Maclean (400088) Waihi Processing Production Shift C OceanaGold 8/10/2020 8/10/2022 Waihi Hazardous Substances 2 SQUIRE, Russell (400089) Waihi HSE Team OceanaGold 10/11/2020 10/11/2022 Waihi Hazardous Substances 2 STOWELL, Greg Waihi Processing Maintenance Supervisors Stowell Engineering 5/11/2020 5/11/2022 Waihi Hazardous Substances 2 TAWHITI, Jamie (400156) Waihi Processing Maintenance Mechanical OceanaGold 5/11/2020 5/11/2022 Waihi Hazardous Substances 2 UPEX, Stuart (400098) Waihi Processing Maintenance Electrical OceanaGold 5/11/2020 5/11/2022 Waihi Hazardous Substances 2 WILLIAMS, Kirstie Waihi Processing Maintenance Electrical No 1 Electrical 5/11/2020 5/11/2022 Waihi Hazardous Substances 2 WILSON, Darryl Waihi Processing Maintenance Electrical No 1 Electrical 5/11/2020 5/11/2022 Waihi Hazardous Substances 2 WILSON, Kevin (400106) Waihi Processing Production Shift C OceanaGold 6/10/2020 6/10/2022

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