144 0002116233 XXXXXXXX LIVE 0001843586 Oatly Group AB 001-40401 ANGFARJEKAJEN 8 MALMO V7 211 19 0046-418 47 5500 Ordonez Daniel Eduardo Officer American Depositary Shares, each representing 20 ordinary shares Morgan Stanley Smith Barney LLC

1 New York Plaza, 8th FI New York City NY NY 10004

50000 502500 636886681 06/01/2026 NASDAQ American Depositary Shares, each representing 20 ordinary shares 05/30/2026 Restricted Stock Units vested under an Issuer S-8 Registrated Plan Issuer N 50000 05/30/2026 Equity compensation Y 1. The securities being sold are in the form of American Depositary Shares ("ADSs"). Each ADS represents 20 ordinary shares, par value USD 0.00018 per ordinary share, of the Issuer. The number of shares outstanding reflects ordinary shares outstanding. 2. ADSs to be sold to cover taxes from the vesting of Restricted Stock Units granted by the Issuer. 3. A Power of Attorney given by Mr. Ordonez has been filed as Exhibit 24 hereto. 06/01/2026 Timothy Sjovall, pursuant to power of attorney