Oatly Results Presentation Deck

40 2022 & FY22 FINANCIAL HIGHLIGHTS Revenue Growth (vs prior year) Constant Currency Revenue Growth (vs prior year) Gross Margin change vs prior year change vs prior quarter Adj. EBITDA (in USD millions) change vs prior year, favorable / (unfavorable) change vs prior quarter, favorable / (unfavorable) 4Q 2022 +5% +14% 16% Flat +1,320 bps $(60) + $5 +$22 Notes: USD in millions 1. Adjusted EBITDA and constant currency revenue are non-IFRS measures. See the Appendix to this presentation for a reconciliation to the nearest IFRS measure. The constant currency measure is calculated by translating the current year reported revenue amounts into comparable amounts using the prior year reporting period's average foreign currency exchange rates. See appendix for reconciliation of foreign exchange rates. FY22 +12% +20% 11% (1300) bps $(268) $(121) Q4'22 EARNINGS PRESENTATION 18

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