Investor Presentaiton

POLYMETAL INTERNATIONAL PLC ENVIRONMENTAL IMPACT INVESTOR PRESENTATION 39 No impoundments or dam structures required: Tailings from the plant will be in the form of dry cake Recycled water: Zero water discharge off-site. Process water will be fully recycled or permanently entrained in dry cake. Minimal CO2 discharge and no SOx or AsOx discharge: A heat and gas absorption circuit will be implemented, ensuring that impurities from autoclave gases and the vapor phase go through the circulating water coolant

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