The Mosaic Company BMO Global Farm to Market Conference

Reconciliation of non GAAP measures Consolidated Earnings (in millions) Consolidated net earnings attributable to Mosaic Less: Consolidated interest expense, net Plus: Consolidated depreciation, depletion and amortization Plus: Accretion expense Plus: Share-based compensation expense Plus: Consolidated provision for income taxes Less: Equity in net earnings (loss) of nonconsolidated companies, net of dividends Plus: Notable items Adjusted EBITDA Diluted earnings per share Notable items impact on earnings per share Adjusted diluted earnings per share Q1 2023 $435 (41) 220 23 12 118 6 (66) $777 $1.28 0.14 $1.14 Q1 2022 $1,182 (40) 226 20 16 372 31 (374) $1,451 $3.19 0.78 $2.41 15

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