Investor Presentaiton

Results Key Drivers 3Q2023 vs 3Q2022 Lithium: Higher sales volumes (4%), significantly lower year-on-year average sales prices (-47%) lodine: Higher average sales prices (6%) partially offset by lower (-6%) sales volumes SPN: Higher sales volumes (8%), lower year-on-year average sales prices (-30%) Potassium: Significantly higher sales volumes (169%) and lower average sales prices (-54%) Industrial Chemicals: Lower average sales prices (-2%) and lower sales volumes (-2%) SQM Corporate Presentation SQM 4

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