Investor Presentaiton

Operational Summary All amounts in CAD, except percentages Q1 2023 Q1 2022 % A Tonnes sold '000 108 112 (4%) Average revenue per tonne sold $ 103 101 2% Average production cost per tonne sold $ (25) (24) 6% Average Gross Profit per tonne sold $ 78 77 1% 76% 77% N/A Average Gross Margin Operational Summary - Excluding freight revenue All amounts in CAD, except percentages Average revenue per tonne sold $ Average production cost per tonne sold $ Average Gross Profit per tonne sold $ Average Gross Margin TSX: NPK OTCMKTS: VNPKF со Q1 2023 Q1 2022 % A 67 75 (10%) (25) (24) 6% 42 51 (6%) 63% 68% N/A 12

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