Minnesota Commitment | Global Opportunity slide image

Minnesota Commitment | Global Opportunity

Investor Presentation Minnesota Commitment | Global Opportunity Project Highlights Q1 Q2 Q3 Q4 PolyMet Copper C1 Cash Costs (1) Attractive Economics Robust demand for products Timed to meet supply deficit Long-life, low-cost asset Expansion Opportunity Existing infrastructure supports higher volumes Mine plan represents 1/3rd of existing M&I resource 441M tons inferred material Exploration Potential High grade, near mine, legacy intercepts Untested strike to NE and SW of ore body Glencore Strategic Alliance First Mover in Duluth Complex All key state and federal permits (subj. to litigation) ~8B tons of mineralized material in complex 2 1 Wood Mackenzie 2022 C1 by-product cost curve (Q3 2022). 2 Based on public file data (NRRI TR 2003/21) and public file company releases. 24 POLYMET MINING
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