X0609 4 2026-09-01 0001513845 Nebius Group N.V. NBIS 0002096831 Boynton John Wilson IV true SCHIPHOL BOULEVARD 165 SCHIPHOL P7 1118BG NETHERLANDS 1 0 Class A Shares 2026-09-01 4 A 0 1352 0 A 417196 D Represents restricted share units ("RSUs") granted on September 1, 2026 under the Company's Amended and Restated Equity Incentive Plan, as amended on August 15, 2024. The RSUs vest in full on January 2, 2027. Each RSU represents a right to receive one Class A Share of Nebius upon vesting. Due to the issuer's status as a foreign private issuer pursuant to Rule 3a12-3(b) under the Act, the reporting person's transactions in the issuer's equity securities are exempt from Sections 16(b) and 16(c) of the Act. /s/ Anna Akimova, attorney-in-fact for Mr. Boynton 2026-09-03