Oatly Results Presentation Deck

GROWTH REMAINS A TOP PRIORITY STRATEGIC ACTIONS ARE EXPECTED TO STRENGTHEN OUR POSITION ENTERING 2023 AND BEYOND Global plant-based retail sales (¹) ($Bn) ~$631BN TOTAL ADDRESSABLE GLOBAL DAIRY RETAIL MARKET OPPORTUNITY(¹) 2. 3, 4. 5. $21 2021A ~4%E PENETRATION +8% GROWTH $23 2022E $631 Total Addressable Market OAT CONTINUES TO BE A KEY GROWTH DRIVER WITHIN PLANT-BASED MILK(2) +39% + +20% +12% +12% OATLY HAS A LEADING POSITION ACROSS ALL ITS KEY MARKETS #1 VELOCITY... ranking vs. non-dairy milk brands (3) + +5% Source: Nielsen IQ, IRI, management projections, Tmall Database Notes: Nielsen only covers measured channels (-38% of total America revenue). 1. Estimated global dairy industry retail sales in 2021 based on Euromonitor data. Dairy includes drinking milk products, cheese, yoghurt and sour milk products, butter and spreads, ice cream and other dairy. Plant-based includes milk, yoghurt, cheese and ice cream. Year-over-year growth of 52-week periods; U.K. IRI data as of October 8, 2022; Germany Nielsen data as of week 39 2022, Netherland Nielsen data as of week 39 2022 and U.S. Nielsen data as of October 8, 2022. 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 in Sweden, Netherlands, Austria, Switzerland, Germany, the U.S. and the U.K. for the last 12 weeks ending week 40, 2022 in Sweden, Netherlands, Austria and Switzerland, ending week 39 2022 in Germany, October 8, 2022 in the US and October 8, 2022 in the U.K. (Major Multiples). Based on publicly-disclosed FY2021 net sales figures for Oatly's key competitors. Nielsen in terms of retail sales value for key markets of Sweden, Germany, and the U.K. ending week 40, 2022 in Sweden Netherlands, Austria and Switzerland, ending week 39 2022 in Germany, and October 8, 2022 in the U.K. #1 OATMILK BRAND POSITION... by net sales (U.S.) (4) and retail market share (EMEA) (5) #00000 + Q3'22 EARNINGS PRESENTATION 7

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