X0609 4 2026-03-31 0001513845 Nebius Group N.V. NBIS 0002115814 Korolenko Andrey true SCHIPHOL BOULEVARD 165 SCHIPHOL P7 1118BG NETHERLANDS 1 Chief Infrastructure Officer 0 Class A Shares 2026-03-31 4 S 0 26976 98.7754 D 616566 D The shares were sold upon the vesting of restricted share units solely to cover estimated withholding taxes, pursuant to automatic sale instructions included in the relevant Restricted Share Unit Agreement. The sale was not a discretionary trade by the Reporting Person. /s/ Andrey Korolenko 2026-04-01