Oatly Results Presentation Deck

EMERGING OAT DOMINANCE THE OAT CATEGORY IS RAPIDLY GAINING MARKET SHARE AND SURPASSING OTHER CROP CATEGORIES % of total plant-based milk retail market (¹) 80% 60% 40% 20% 0% Mar '19 Inherent sustainable characteristics YoY Growth(2) SWEDEN Oat: 6% DA: 7% Oat 75% 9% 9% Mar '22 50% 40% 30% 20% 10% 0% Oat UNITED KINGDOM Mar '19 Source: Nielsen IQ, IRI. Notes: Sweden Nielsen data as of week 12, 2022; U.K. IRI data as of March 26, 2022; Germany Nielsen data as of week 13 2022 and U.S. Nielsen data as of March 26, 2022. 1. Market shares by retail sales value, represent rolling four weeks period. 2. Year-over-year growth of 52-week periods. I Oat surpassed I almond and soy I I Flexible within the supply chain Oat: 22% DA: 5% Soy Oat 47% 21% 20% Mar 22 75% 50% 25% 0% THE ORIGINAL OATLY! Almond Mar 19 Oat GERMANY Oat: 28% DA: 17% Widely accessible to a range of eaters Dairy Alternatives Oat 64% 14% 13% Mar 22 80% 60% 40% 20% 0% UNITED STATES Mar '19 I Oat surpassed soy 1 Oat: 57% DA: 5% 63% Oat 21% 7% Mar 22 Q1'22 EARNINGS PRESENTATION 7

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