Investor Presentaiton

Existing Wake Loss Tools Inadequate • Turbines are rapidly changing; tuned models can't keep up . They have low sensitivity to changing atmospheric stability • Tuned to close-in wind farm wakes from smaller turbines and with insufficient turbine size dependence, looking backward . BOTTOM LINE: Not validated or adequate for long-range external wake losses – a gap in knowledge that can easily - translate to billions of ZAR in lifetime lost revenue for a single offshore wind farm. USE WRF-WFP method to solve this problem. ARCVERA RENEWABLES

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