Supporting Technical Assessments

Hearing Q2 2023 Quarter 2 2023 July 2023 Further Data Acquisiton Pre-development Mitigation Measures Monitoring and Post-development mitigation measures Trial Testing Ongoing Data Acquisition Trial Testing Pre-development and Post-development Mitigation Measures Ongoing Monitoring to meet TARP requirements Decision Making Phase Exploration and Pre-​Development Phases August 2024 - August 2026 August 2026 - 20XX Further data acquisition, trial testing, conceptualisation, numerical modelling, development of water management plans and associated TARPs • Use of telemetric instruments to limit assess change in groundwater • Ongoing baseline data collection • Continued implementation of monitoring program • Conceptual modelling to identify groundwater inflows • Mine Groundwater Management Plan • Trigger action response plan (TARP) • Observational method and adaptive management • Control of groundwater inflows into decline and drives • Iterative narrow scale numerical modelling if required by TARP and Observational method August 2023 - July 2024 Mining (Operational) Phase New table Mining Exploratory Drive Calibration, simulation, Reporting Data analysis Field Program - Data Collection Key Steps

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