Oatly Results Presentation Deck

KEY RETAIL AND E-COMMERCE PERFORMANCE HIGHLIGHTS SALES GROWTH DRIVER... OF THE OATMILK CATEGORY (1) SALES GROWTH DRIVER... OF THE TOTAL DAIRY ALTERNATIVES CATEGORY #1 #2 (1) #1米 VELOCITY... NONDAIRY MILK BRAND (2) OATMILK BRAND... BY MARKET SHARE (3) #1米 #2 #2 CATEGORY CREATOR & #1 OATMILK BRAND ON TMALL(4) #1 ● #1 米精 #1 Source: Nielsen, IRI, management projections, Tmall Database Notes: Nielsen only covers measured channels (~40% of total America revenue). 1. In key markets of Sweden, Germany, the U.S. and the U.K. for the last 52 weeks ending week 40, 2021 in Sweden, ending week 39 2021 in Germany, October 9, 2021 in the US, and October 9, 2021 in The U.K. Calculated as Oatly growth in value sales over the aforementioned periods as a % of total dairy alternatives category sales growth and as a % of total oatmilk category value sales growth over the aforementioned period. Excludes private label. 2. Velocity (rate of sales) based on top selling SKU by sales value compared to top selling SKU of next three largest competitors by sales value in key markets of Sweden, Germany, the U.S. and the U.K. for the last 12 weeks ending week 40, 2021 in Sweden, ending week 39 2021 in Germany, October 9, 2021 in the US, and October 9, 2021 in The U.K. (Major Multiples). 3. In terms of retail sales value for key markets of Sweden, Germany, the U.S. and the U.K. for the last 52 weeks ending week 40, 2021 in Sweden, ending week 39 2021 in Germany, October 9, 2021 in the US, and October 9, 2021 in The U.K. 4. Tmall database, as of November 2021. #2 Q3'21 EARNINGS PRESENTATION 5

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