Oatly Results Presentation Deck

OATLY DRIVES GROWTH FOR THE OAT MARKET AS OATLY GOES, SO GOES THE OAT CATEGORY. WE ACCELERATE OVERALL OAT AND NONDAIRY CATEGORY GROWTH IN OUR ACTIVE MARKETS Total plant-based market share (1) 40% 30% 20% 10% 0% UNITED KINGDOM YOY GROWTH DA(2) OATLY 20% 52% Jan '18 51% of plant-based milk growth contributed by Oatly (3) OAT 43% OATLY 24% July 21 60% 50% 40% 30% 20% 10% 0% GERMANY YOY GROWTH DA(2) OATLY 36% 76% Jan '18 33% of plant-based milk growth contributed by Oatly (3) OAT 56% July 21 OATLY 10% 18% 20% Source: Nielsen, IRI, Plant-based market survey commissioned by Oatly, January 2021. Notes: U.K. IRI data as of July 17, 2021, Germany Nielsen data as of week 26 2021, U.S. Nielsen data as of July 17, 2021. 1. Market shares by retail sales value in the total plant-based milk category, represent rolling four weeks period. 2. Dairy Alternatives. 3. Calculated as the sales value increase for Oatly divided by the sales value increase for the total plant-based milk category for the first 6 months of 2021 vs. parallel period in 2020 in the absolute dollar amount. THE ORIGINAL ●ATLY! 0% YOY GROWTH DA(2) OATLY 10% 74% Jan '18 UNITED STATES 19% of plant-based milk growth contributed by Oatly (3) Q2'21 EARNINGS PRESENTATION OATLY 5% July '21 OAT 18% 11

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