Investor Presentaiton

POLYMETAL INTERNATIONAL PLC POX-2 INVESTOR PRESENTATION 32 STRATEGIC IMPORTANCE Unlock value of Polymetal's substantial refractory reserve base (55%) by de-risking asset base Significant long-term economic benefits to in- house processing vs offtake Strategic security of downstream processing on the back of current state initiative to potentially ban export of concentrates and a tightening Chinese market Positive environmental, social and economical impact OPPORTUNITIES Globally competitive technical capability New assets with refractory reserves 3rd party feedstock Use of hydromet competence in other commodities

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