X0607 3 2026-03-18 0 0001513845 Nebius Group N.V. NBIS 0002060551 Nave Ophir SCHIPHOL BOULEVARD 165 SCHIPHOL 1118BG NETHERLANDS 1 1 COO Class A Shares 536249 D Class A Shares 417084 D Stock Options 100.00 2025-03-31 2035-04-10 Class A Shares 2000000 D Represents restricted share units ("RSUs") granted on October 1, 2024 under the Company's Amended and Restated Equity Incentive Plan, as amended on August 15, 2024. The RSUs vest in quarterly installments beginning on November 30, 2024. Each RSU represents a right to receive one Class A Share of Nebius upon vesting. Options granted on April 10, 2025 under the Company's Amended and Restated Equity Incentive Plan, as amended on August 15, 2024. The options vest in quarterly installments beginning on March 31, 2025. 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/ Ophir Nave 2026-03-18