Nebius Group N.V. (NBIS) Insider Transactions

Reported filing row; may be amended. Do not sum filings blindly.

F1 Reflects the weighted average sale price of $263.32 on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $263.14 to $264.16, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F2 Reflects the weighted average sale price of $264.78 on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $264.18 to $264.96, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F3 Reflects the weighted average sale price of $265.45 on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $265.39 to $265.53, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F4 Reflects the weighted average sale price of $266.67 on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $266.06 to $266.92, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F5 Reflects the weighted average sale price of $269.64 on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $269.62 to $269.74, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

Exhibit 24 - Power of Attorney; 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.

References:

Reported filing row; may be amended. Do not sum filings blindly.

F1 Reflects the weighted average sale price of $263.32 on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $263.14 to $264.16, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F2 Reflects the weighted average sale price of $264.78 on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $264.18 to $264.96, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F3 Reflects the weighted average sale price of $265.45 on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $265.39 to $265.53, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F4 Reflects the weighted average sale price of $266.67 on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $266.06 to $266.92, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F5 Reflects the weighted average sale price of $269.64 on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $269.62 to $269.74, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

Exhibit 24 - Power of Attorney; 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.

References: F4

Reported filing row; may be amended. Do not sum filings blindly.

F1 Reflects the weighted average sale price of $263.32 on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $263.14 to $264.16, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F2 Reflects the weighted average sale price of $264.78 on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $264.18 to $264.96, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F3 Reflects the weighted average sale price of $265.45 on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $265.39 to $265.53, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F4 Reflects the weighted average sale price of $266.67 on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $266.06 to $266.92, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F5 Reflects the weighted average sale price of $269.64 on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $269.62 to $269.74, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

Exhibit 24 - Power of Attorney; 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.

References: F3

Reported filing row; may be amended. Do not sum filings blindly.

F1 Reflects the weighted average sale price of $263.32 on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $263.14 to $264.16, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F2 Reflects the weighted average sale price of $264.78 on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $264.18 to $264.96, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F3 Reflects the weighted average sale price of $265.45 on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $265.39 to $265.53, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F4 Reflects the weighted average sale price of $266.67 on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $266.06 to $266.92, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F5 Reflects the weighted average sale price of $269.64 on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $269.62 to $269.74, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

Exhibit 24 - Power of Attorney; 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.

References: F2

Reported filing row; may be amended. Do not sum filings blindly.

F1 Reflects the weighted average sale price of $263.32 on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $263.14 to $264.16, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F2 Reflects the weighted average sale price of $264.78 on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $264.18 to $264.96, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F3 Reflects the weighted average sale price of $265.45 on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $265.39 to $265.53, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F4 Reflects the weighted average sale price of $266.67 on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $266.06 to $266.92, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F5 Reflects the weighted average sale price of $269.64 on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $269.62 to $269.74, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

Exhibit 24 - Power of Attorney; 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.

References: F1

Reported filing row; may be amended. Do not sum filings blindly.

F1 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $263.05 to $263.97, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F2 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $264.50 to $265.16, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F3 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $266.24 to $267.22, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F4 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $267.33 to $268.28, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F5 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $269.99 to $270.94, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F6 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $271.32 to $272.22, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F7 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $272.33 to $273.22, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F8 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $273.34 to $274.32, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F9 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $275.23 to $276.18, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F10 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $276.57 to $277.45, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F11 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $277.60 to $278.11, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

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.

References: F11

Reported filing row; may be amended. Do not sum filings blindly.

F1 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $263.05 to $263.97, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F2 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $264.50 to $265.16, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F3 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $266.24 to $267.22, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F4 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $267.33 to $268.28, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F5 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $269.99 to $270.94, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F6 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $271.32 to $272.22, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F7 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $272.33 to $273.22, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F8 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $273.34 to $274.32, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F9 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $275.23 to $276.18, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F10 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $276.57 to $277.45, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F11 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $277.60 to $278.11, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

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.

References: F10

Reported filing row; may be amended. Do not sum filings blindly.

F1 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $263.05 to $263.97, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F2 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $264.50 to $265.16, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F3 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $266.24 to $267.22, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F4 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $267.33 to $268.28, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F5 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $269.99 to $270.94, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F6 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $271.32 to $272.22, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F7 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $272.33 to $273.22, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F8 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $273.34 to $274.32, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F9 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $275.23 to $276.18, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F10 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $276.57 to $277.45, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F11 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $277.60 to $278.11, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

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.

References: F9

Reported filing row; may be amended. Do not sum filings blindly.

F1 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $263.05 to $263.97, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F2 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $264.50 to $265.16, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F3 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $266.24 to $267.22, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F4 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $267.33 to $268.28, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F5 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $269.99 to $270.94, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F6 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $271.32 to $272.22, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F7 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $272.33 to $273.22, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F8 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $273.34 to $274.32, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F9 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $275.23 to $276.18, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F10 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $276.57 to $277.45, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F11 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $277.60 to $278.11, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

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.

References: F8

Reported filing row; may be amended. Do not sum filings blindly.

F1 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $263.05 to $263.97, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F2 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $264.50 to $265.16, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F3 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $266.24 to $267.22, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F4 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $267.33 to $268.28, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F5 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $269.99 to $270.94, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F6 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $271.32 to $272.22, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F7 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $272.33 to $273.22, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F8 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $273.34 to $274.32, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F9 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $275.23 to $276.18, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F10 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $276.57 to $277.45, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F11 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $277.60 to $278.11, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

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.

References: F7

Reported filing row; may be amended. Do not sum filings blindly.

F1 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $263.05 to $263.97, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F2 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $264.50 to $265.16, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F3 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $266.24 to $267.22, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F4 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $267.33 to $268.28, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F5 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $269.99 to $270.94, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F6 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $271.32 to $272.22, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F7 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $272.33 to $273.22, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F8 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $273.34 to $274.32, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F9 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $275.23 to $276.18, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F10 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $276.57 to $277.45, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F11 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $277.60 to $278.11, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

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.

References: F6

Reported filing row; may be amended. Do not sum filings blindly.

F1 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $263.05 to $263.97, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F2 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $264.50 to $265.16, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F3 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $266.24 to $267.22, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F4 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $267.33 to $268.28, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F5 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $269.99 to $270.94, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F6 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $271.32 to $272.22, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F7 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $272.33 to $273.22, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F8 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $273.34 to $274.32, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F9 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $275.23 to $276.18, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F10 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $276.57 to $277.45, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F11 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $277.60 to $278.11, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

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.

References: F5

Reported filing row; may be amended. Do not sum filings blindly.

F1 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $263.05 to $263.97, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F2 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $264.50 to $265.16, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F3 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $266.24 to $267.22, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F4 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $267.33 to $268.28, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F5 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $269.99 to $270.94, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F6 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $271.32 to $272.22, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F7 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $272.33 to $273.22, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F8 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $273.34 to $274.32, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F9 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $275.23 to $276.18, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F10 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $276.57 to $277.45, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F11 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $277.60 to $278.11, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

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.

References: F4

Reported filing row; may be amended. Do not sum filings blindly.

F1 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $263.05 to $263.97, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F2 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $264.50 to $265.16, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F3 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $266.24 to $267.22, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F4 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $267.33 to $268.28, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F5 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $269.99 to $270.94, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F6 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $271.32 to $272.22, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F7 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $272.33 to $273.22, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F8 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $273.34 to $274.32, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F9 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $275.23 to $276.18, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F10 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $276.57 to $277.45, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F11 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $277.60 to $278.11, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

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.

References: F3

Reported filing row; may be amended. Do not sum filings blindly.

F1 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $263.05 to $263.97, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F2 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $264.50 to $265.16, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F3 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $266.24 to $267.22, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F4 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $267.33 to $268.28, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F5 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $269.99 to $270.94, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F6 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $271.32 to $272.22, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F7 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $272.33 to $273.22, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F8 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $273.34 to $274.32, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F9 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $275.23 to $276.18, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F10 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $276.57 to $277.45, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F11 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $277.60 to $278.11, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

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.

References: F2

Reported filing row; may be amended. Do not sum filings blindly.

F1 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $263.05 to $263.97, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F2 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $264.50 to $265.16, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F3 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $266.24 to $267.22, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F4 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $267.33 to $268.28, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F5 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $269.99 to $270.94, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F6 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $271.32 to $272.22, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F7 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $272.33 to $273.22, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F8 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $273.34 to $274.32, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F9 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $275.23 to $276.18, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F10 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $276.57 to $277.45, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F11 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $277.60 to $278.11, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

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.

References: F1

Reported filing row; may be amended. Do not sum filings blindly.

F1 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $263.05 to $263.97, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F2 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $264.50 to $265.16, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F3 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $266.24 to $267.22, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F4 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $267.33 to $268.28, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F5 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $269.99 to $270.94, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F6 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $271.32 to $272.22, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F7 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $272.33 to $273.22, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F8 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $273.34 to $274.32, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F9 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $275.23 to $276.18, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F10 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $276.57 to $277.45, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F11 Reflects the weighted average sale price on August 14, 2026. The shares were sold in multiple transactions at prices ranging from $277.60 to $278.11, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

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.

References:

Reported filing row; may be amended. Do not sum filings blindly.

F1 Represents restricted share units ("RSUs") granted on July 22, 2026 under the Company's Amended and Restated Equity Incentive Plan, as amended on August 15, 2024. The RSUs vest in quarterly installments beginning on September 30, 2026. 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.

References: F1

Reported filing row; may be amended. Do not sum filings blindly.

F1 The sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 15, 2025.

The sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 15, 2025.

References: F1

Reported filing row; may be amended. Do not sum filings blindly.

F1 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$187.74 to $187.84,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F2 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$189.23 to $189.24,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F3 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$191.97 to $192.69,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F4 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$193.79 to $194.73,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F5 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$195.53 to $196.49,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F6 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$196.71 to $197.70,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F7 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$197.72 to $198.68,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F8 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$198.72 to $199.40,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F9 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$199.78 to $200.53,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F10 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$200.91 to $201.87,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F11 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$201.93 to $202.59,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

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.

References: F11

Reported filing row; may be amended. Do not sum filings blindly.

F1 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$187.74 to $187.84,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F2 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$189.23 to $189.24,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F3 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$191.97 to $192.69,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F4 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$193.79 to $194.73,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F5 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$195.53 to $196.49,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F6 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$196.71 to $197.70,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F7 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$197.72 to $198.68,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F8 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$198.72 to $199.40,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F9 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$199.78 to $200.53,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F10 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$200.91 to $201.87,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F11 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$201.93 to $202.59,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

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.

References: F10

Reported filing row; may be amended. Do not sum filings blindly.

F1 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$187.74 to $187.84,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F2 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$189.23 to $189.24,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F3 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$191.97 to $192.69,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F4 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$193.79 to $194.73,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F5 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$195.53 to $196.49,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F6 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$196.71 to $197.70,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F7 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$197.72 to $198.68,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F8 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$198.72 to $199.40,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F9 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$199.78 to $200.53,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F10 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$200.91 to $201.87,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F11 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$201.93 to $202.59,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

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.

References: F9

Reported filing row; may be amended. Do not sum filings blindly.

F1 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$187.74 to $187.84,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F2 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$189.23 to $189.24,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F3 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$191.97 to $192.69,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F4 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$193.79 to $194.73,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F5 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$195.53 to $196.49,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F6 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$196.71 to $197.70,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F7 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$197.72 to $198.68,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F8 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$198.72 to $199.40,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F9 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$199.78 to $200.53,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F10 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$200.91 to $201.87,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F11 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$201.93 to $202.59,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

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.

References: F8

Reported filing row; may be amended. Do not sum filings blindly.

F1 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$187.74 to $187.84,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F2 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$189.23 to $189.24,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F3 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$191.97 to $192.69,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F4 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$193.79 to $194.73,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F5 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$195.53 to $196.49,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F6 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$196.71 to $197.70,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F7 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$197.72 to $198.68,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F8 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$198.72 to $199.40,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F9 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$199.78 to $200.53,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F10 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$200.91 to $201.87,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F11 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$201.93 to $202.59,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

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.

References: F7

Reported filing row; may be amended. Do not sum filings blindly.

F1 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$187.74 to $187.84,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F2 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$189.23 to $189.24,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F3 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$191.97 to $192.69,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F4 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$193.79 to $194.73,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F5 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$195.53 to $196.49,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F6 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$196.71 to $197.70,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F7 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$197.72 to $198.68,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F8 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$198.72 to $199.40,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F9 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$199.78 to $200.53,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F10 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$200.91 to $201.87,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F11 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$201.93 to $202.59,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

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.

References: F6