TKO

SEC source: 0000950170-25-009412 · ownership.xml · nonDerivative · entry 8

Silver Lake West HoldCo, L.P. · CIK 0001868088 · 10% owner

Silver Lake West HoldCo II, L.P. · CIK 0001868087 · 10% owner

Silver Lake West VoteCo, L.L.C. · CIK 0001868089 · 10% owner

Durban Egon · CIK 0001651403 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Plan reported

Ownership: Indirect · By Endeavor Operating Company, LLC

Disclosed balance after: 1,257,800

F1 · kind: The purchases by Endeavor Operating Company, LLC ("EOC") of shares of Class A Common Stock of TKO Group Holdings, Inc. reported herein were effected pursuant to a Rule 10b5-1 trading plan adopted by EOC on December 17, 2024 and expiring on or prior to March 31, 2025.

F2 · shares: WME IMG, LLC is an indirect wholly owned subsidiary of Endeavor Group Holdings, Inc. ("EGH"). EGH is the managing member of Endeavor Manager, LLC, which in turn is the managing member of EOC. EOC is the managing member of January Capital HoldCo, LLC, which in turn is the managing member of January Capital Sub, LLC. Silver Lake West Holdco, L.P. and Silver Lake West Holdco II, L.P. (the "Silver Lake Equityholders") have designated members of the governing body of EGH and as a result may be deemed to share beneficial ownership of the securities beneficially owned by EGH.

F3 · shares: (continued from footnote 2) Mr. Egon Durban is the managing member of Silver Lake West VoteCo, L.L.C., which is the general partner of each of the Silver Lake Equityholders. Mr. Durban is a director of the Issuer and is a Co-CEO and Managing Member of Silver Lake Group, L.LC. Securities reported on this Form 4 are held solely by subsidiaries of EGH. Investment funds managed by Silver Lake do not directly hold any equity securities of the Issuer.

F11 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $153.80 to $154.24, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F2 · ownership.nature: WME IMG, LLC is an indirect wholly owned subsidiary of Endeavor Group Holdings, Inc. ("EGH"). EGH is the managing member of Endeavor Manager, LLC, which in turn is the managing member of EOC. EOC is the managing member of January Capital HoldCo, LLC, which in turn is the managing member of January Capital Sub, LLC. Silver Lake West Holdco, L.P. and Silver Lake West Holdco II, L.P. (the "Silver Lake Equityholders") have designated members of the governing body of EGH and as a result may be deemed to share beneficial ownership of the securities beneficially owned by EGH.

F3 · ownership.nature: (continued from footnote 2) Mr. Egon Durban is the managing member of Silver Lake West VoteCo, L.L.C., which is the general partner of each of the Silver Lake Equityholders. Mr. Durban is a director of the Issuer and is a Co-CEO and Managing Member of Silver Lake Group, L.LC. Securities reported on this Form 4 are held solely by subsidiaries of EGH. Investment funds managed by Silver Lake do not directly hold any equity securities of the Issuer.

SEC source: 0000950170-25-009412 · ownership.xml · nonDerivative · entry 7

Silver Lake West HoldCo, L.P. · CIK 0001868088 · 10% owner

Silver Lake West HoldCo II, L.P. · CIK 0001868087 · 10% owner

Silver Lake West VoteCo, L.L.C. · CIK 0001868089 · 10% owner

Durban Egon · CIK 0001651403 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Plan reported

Ownership: Indirect · By Endeavor Operating Company, LLC

Disclosed balance after: 1,241,974

F1 · kind: The purchases by Endeavor Operating Company, LLC ("EOC") of shares of Class A Common Stock of TKO Group Holdings, Inc. reported herein were effected pursuant to a Rule 10b5-1 trading plan adopted by EOC on December 17, 2024 and expiring on or prior to March 31, 2025.

F2 · shares: WME IMG, LLC is an indirect wholly owned subsidiary of Endeavor Group Holdings, Inc. ("EGH"). EGH is the managing member of Endeavor Manager, LLC, which in turn is the managing member of EOC. EOC is the managing member of January Capital HoldCo, LLC, which in turn is the managing member of January Capital Sub, LLC. Silver Lake West Holdco, L.P. and Silver Lake West Holdco II, L.P. (the "Silver Lake Equityholders") have designated members of the governing body of EGH and as a result may be deemed to share beneficial ownership of the securities beneficially owned by EGH.

F3 · shares: (continued from footnote 2) Mr. Egon Durban is the managing member of Silver Lake West VoteCo, L.L.C., which is the general partner of each of the Silver Lake Equityholders. Mr. Durban is a director of the Issuer and is a Co-CEO and Managing Member of Silver Lake Group, L.LC. Securities reported on this Form 4 are held solely by subsidiaries of EGH. Investment funds managed by Silver Lake do not directly hold any equity securities of the Issuer.

F10 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $152.80 to $153.79, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F2 · ownership.nature: WME IMG, LLC is an indirect wholly owned subsidiary of Endeavor Group Holdings, Inc. ("EGH"). EGH is the managing member of Endeavor Manager, LLC, which in turn is the managing member of EOC. EOC is the managing member of January Capital HoldCo, LLC, which in turn is the managing member of January Capital Sub, LLC. Silver Lake West Holdco, L.P. and Silver Lake West Holdco II, L.P. (the "Silver Lake Equityholders") have designated members of the governing body of EGH and as a result may be deemed to share beneficial ownership of the securities beneficially owned by EGH.

F3 · ownership.nature: (continued from footnote 2) Mr. Egon Durban is the managing member of Silver Lake West VoteCo, L.L.C., which is the general partner of each of the Silver Lake Equityholders. Mr. Durban is a director of the Issuer and is a Co-CEO and Managing Member of Silver Lake Group, L.LC. Securities reported on this Form 4 are held solely by subsidiaries of EGH. Investment funds managed by Silver Lake do not directly hold any equity securities of the Issuer.

SEC source: 0000950170-25-009412 · ownership.xml · nonDerivative · entry 6

Silver Lake West HoldCo, L.P. · CIK 0001868088 · 10% owner

Silver Lake West HoldCo II, L.P. · CIK 0001868087 · 10% owner

Silver Lake West VoteCo, L.L.C. · CIK 0001868089 · 10% owner

Durban Egon · CIK 0001651403 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Plan reported

Ownership: Indirect · By Endeavor Operating Company, LLC

Disclosed balance after: 1,201,789

F1 · kind: The purchases by Endeavor Operating Company, LLC ("EOC") of shares of Class A Common Stock of TKO Group Holdings, Inc. reported herein were effected pursuant to a Rule 10b5-1 trading plan adopted by EOC on December 17, 2024 and expiring on or prior to March 31, 2025.

F2 · shares: WME IMG, LLC is an indirect wholly owned subsidiary of Endeavor Group Holdings, Inc. ("EGH"). EGH is the managing member of Endeavor Manager, LLC, which in turn is the managing member of EOC. EOC is the managing member of January Capital HoldCo, LLC, which in turn is the managing member of January Capital Sub, LLC. Silver Lake West Holdco, L.P. and Silver Lake West Holdco II, L.P. (the "Silver Lake Equityholders") have designated members of the governing body of EGH and as a result may be deemed to share beneficial ownership of the securities beneficially owned by EGH.

F3 · shares: (continued from footnote 2) Mr. Egon Durban is the managing member of Silver Lake West VoteCo, L.L.C., which is the general partner of each of the Silver Lake Equityholders. Mr. Durban is a director of the Issuer and is a Co-CEO and Managing Member of Silver Lake Group, L.LC. Securities reported on this Form 4 are held solely by subsidiaries of EGH. Investment funds managed by Silver Lake do not directly hold any equity securities of the Issuer.

F9 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $151.80 to $152.79, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F2 · ownership.nature: WME IMG, LLC is an indirect wholly owned subsidiary of Endeavor Group Holdings, Inc. ("EGH"). EGH is the managing member of Endeavor Manager, LLC, which in turn is the managing member of EOC. EOC is the managing member of January Capital HoldCo, LLC, which in turn is the managing member of January Capital Sub, LLC. Silver Lake West Holdco, L.P. and Silver Lake West Holdco II, L.P. (the "Silver Lake Equityholders") have designated members of the governing body of EGH and as a result may be deemed to share beneficial ownership of the securities beneficially owned by EGH.

F3 · ownership.nature: (continued from footnote 2) Mr. Egon Durban is the managing member of Silver Lake West VoteCo, L.L.C., which is the general partner of each of the Silver Lake Equityholders. Mr. Durban is a director of the Issuer and is a Co-CEO and Managing Member of Silver Lake Group, L.LC. Securities reported on this Form 4 are held solely by subsidiaries of EGH. Investment funds managed by Silver Lake do not directly hold any equity securities of the Issuer.

SEC source: 0000950170-25-009393 · ownership.xml · nonDerivative · entry 5

Emanuel Ariel · CIK 0001320234 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Endeavor Operating Company, LLC

Disclosed balance after: 1,152,762

F1 · shares: The purchases by Endeavor Operating Company, LLC ("EOC") of shares of Class A Common Stock of TKO Group Holdings, Inc. reported herein were effected pursuant to a Rule 10b5-1 trading plan adopted by EOC on December 17, 2024 and expiring on or prior to March 31, 2025.

F7 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $153.11 to $153.90 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F3 · ownership.nature: This Form 4 relates to the purchase of shares by EOC. None of the transactions herein involve a purchase of Class A Common Stock by the Reporting Person. Endeavor Group Holdings, Inc. ("EGH") is the managing member of Endeavor Manager, LLC, which in turn is the managing member of EOC. Mr. Emanuel is a member of the governing body of EGH and as a result may be deemed to share beneficial ownership of the securities beneficially owned by EGH. Mr. Emanuel disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein, if any.

SEC source: 0000950170-25-009393 · ownership.xml · nonDerivative · entry 4

Emanuel Ariel · CIK 0001320234 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Endeavor Operating Company, LLC

Disclosed balance after: 1,132,276

F1 · shares: The purchases by Endeavor Operating Company, LLC ("EOC") of shares of Class A Common Stock of TKO Group Holdings, Inc. reported herein were effected pursuant to a Rule 10b5-1 trading plan adopted by EOC on December 17, 2024 and expiring on or prior to March 31, 2025.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $152.11 to $153.10 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F3 · ownership.nature: This Form 4 relates to the purchase of shares by EOC. None of the transactions herein involve a purchase of Class A Common Stock by the Reporting Person. Endeavor Group Holdings, Inc. ("EGH") is the managing member of Endeavor Manager, LLC, which in turn is the managing member of EOC. Mr. Emanuel is a member of the governing body of EGH and as a result may be deemed to share beneficial ownership of the securities beneficially owned by EGH. Mr. Emanuel disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein, if any.

SEC source: 0000950170-25-009393 · ownership.xml · nonDerivative · entry 3

Emanuel Ariel · CIK 0001320234 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Endeavor Operating Company, LLC

Disclosed balance after: 1,099,639

F1 · shares: The purchases by Endeavor Operating Company, LLC ("EOC") of shares of Class A Common Stock of TKO Group Holdings, Inc. reported herein were effected pursuant to a Rule 10b5-1 trading plan adopted by EOC on December 17, 2024 and expiring on or prior to March 31, 2025.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $149.27 to $150.00 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F3 · ownership.nature: This Form 4 relates to the purchase of shares by EOC. None of the transactions herein involve a purchase of Class A Common Stock by the Reporting Person. Endeavor Group Holdings, Inc. ("EGH") is the managing member of Endeavor Manager, LLC, which in turn is the managing member of EOC. Mr. Emanuel is a member of the governing body of EGH and as a result may be deemed to share beneficial ownership of the securities beneficially owned by EGH. Mr. Emanuel disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein, if any.

SEC source: 0000950170-25-009393 · ownership.xml · nonDerivative · entry 2

Emanuel Ariel · CIK 0001320234 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Endeavor Operating Company, LLC

Disclosed balance after: 1,056,184

F1 · shares: The purchases by Endeavor Operating Company, LLC ("EOC") of shares of Class A Common Stock of TKO Group Holdings, Inc. reported herein were effected pursuant to a Rule 10b5-1 trading plan adopted by EOC on December 17, 2024 and expiring on or prior to March 31, 2025.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $148.27 to $149.25 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F3 · ownership.nature: This Form 4 relates to the purchase of shares by EOC. None of the transactions herein involve a purchase of Class A Common Stock by the Reporting Person. Endeavor Group Holdings, Inc. ("EGH") is the managing member of Endeavor Manager, LLC, which in turn is the managing member of EOC. Mr. Emanuel is a member of the governing body of EGH and as a result may be deemed to share beneficial ownership of the securities beneficially owned by EGH. Mr. Emanuel disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein, if any.

SEC source: 0000950170-25-009393 · ownership.xml · nonDerivative · entry 1

Emanuel Ariel · CIK 0001320234 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Endeavor Operating Company, LLC

Disclosed balance after: 1,044,179

F1 · shares: The purchases by Endeavor Operating Company, LLC ("EOC") of shares of Class A Common Stock of TKO Group Holdings, Inc. reported herein were effected pursuant to a Rule 10b5-1 trading plan adopted by EOC on December 17, 2024 and expiring on or prior to March 31, 2025.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $147.27 to $148.26 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F3 · ownership.nature: This Form 4 relates to the purchase of shares by EOC. None of the transactions herein involve a purchase of Class A Common Stock by the Reporting Person. Endeavor Group Holdings, Inc. ("EGH") is the managing member of Endeavor Manager, LLC, which in turn is the managing member of EOC. Mr. Emanuel is a member of the governing body of EGH and as a result may be deemed to share beneficial ownership of the securities beneficially owned by EGH. Mr. Emanuel disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein, if any.

SEC source: 0000950170-25-009398 · ownership.xml · nonDerivative · entry 5

Whitesell Patrick · CIK 0001531362 · 10% owner

Endeavor Group Holdings, Inc. · CIK 0001766363 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Plan reported

Ownership: Indirect · By Endeavor Operating Company, LLC

Disclosed balance after: 1,152,762

F1 · shares: The purchases by Endeavor Operating Company, LLC ("EOC") of shares of Class A Common Stock of TKO Group Holdings, Inc. reported herein were effected pursuant to a Rule 10b5-1 trading plan adopted by EOC on December 17, 2024 and expiring on or prior to March 31, 2025.

F7 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $153.11 to $153.90 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F3 · ownership.nature: This Form 4 relates to the purchase of shares by EOC. None of the transactions herein involve a purchase of Class A Common Stock by the Reporting Persons. Endeavor Group Holdings, Inc. ("EGH") is the managing member of Endeavor Manager, LLC, which in turn is the managing member of EOC. Mr. Whitesell is a member of the governing body of EGH and as a result may be deemed to share beneficial ownership of the securities beneficially owned by EGH. Mr. Whitesell disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein, if any.

SEC source: 0000950170-25-009398 · ownership.xml · nonDerivative · entry 4

Whitesell Patrick · CIK 0001531362 · 10% owner

Endeavor Group Holdings, Inc. · CIK 0001766363 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Plan reported

Ownership: Indirect · By Endeavor Operating Company, LLC

Disclosed balance after: 1,132,276

F1 · shares: The purchases by Endeavor Operating Company, LLC ("EOC") of shares of Class A Common Stock of TKO Group Holdings, Inc. reported herein were effected pursuant to a Rule 10b5-1 trading plan adopted by EOC on December 17, 2024 and expiring on or prior to March 31, 2025.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $152.11 to $153.10 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F3 · ownership.nature: This Form 4 relates to the purchase of shares by EOC. None of the transactions herein involve a purchase of Class A Common Stock by the Reporting Persons. Endeavor Group Holdings, Inc. ("EGH") is the managing member of Endeavor Manager, LLC, which in turn is the managing member of EOC. Mr. Whitesell is a member of the governing body of EGH and as a result may be deemed to share beneficial ownership of the securities beneficially owned by EGH. Mr. Whitesell disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein, if any.

SEC source: 0000950170-25-009398 · ownership.xml · nonDerivative · entry 3

Whitesell Patrick · CIK 0001531362 · 10% owner

Endeavor Group Holdings, Inc. · CIK 0001766363 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Plan reported

Ownership: Indirect · By Endeavor Operating Company, LLC

Disclosed balance after: 1,099,639

F1 · shares: The purchases by Endeavor Operating Company, LLC ("EOC") of shares of Class A Common Stock of TKO Group Holdings, Inc. reported herein were effected pursuant to a Rule 10b5-1 trading plan adopted by EOC on December 17, 2024 and expiring on or prior to March 31, 2025.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $149.27 to $150.00 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F3 · ownership.nature: This Form 4 relates to the purchase of shares by EOC. None of the transactions herein involve a purchase of Class A Common Stock by the Reporting Persons. Endeavor Group Holdings, Inc. ("EGH") is the managing member of Endeavor Manager, LLC, which in turn is the managing member of EOC. Mr. Whitesell is a member of the governing body of EGH and as a result may be deemed to share beneficial ownership of the securities beneficially owned by EGH. Mr. Whitesell disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein, if any.

SEC source: 0000950170-25-009398 · ownership.xml · nonDerivative · entry 2

Whitesell Patrick · CIK 0001531362 · 10% owner

Endeavor Group Holdings, Inc. · CIK 0001766363 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Plan reported

Ownership: Indirect · By Endeavor Operating Company, LLC

Disclosed balance after: 1,056,184

F1 · shares: The purchases by Endeavor Operating Company, LLC ("EOC") of shares of Class A Common Stock of TKO Group Holdings, Inc. reported herein were effected pursuant to a Rule 10b5-1 trading plan adopted by EOC on December 17, 2024 and expiring on or prior to March 31, 2025.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $148.27 to $149.25 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F3 · ownership.nature: This Form 4 relates to the purchase of shares by EOC. None of the transactions herein involve a purchase of Class A Common Stock by the Reporting Persons. Endeavor Group Holdings, Inc. ("EGH") is the managing member of Endeavor Manager, LLC, which in turn is the managing member of EOC. Mr. Whitesell is a member of the governing body of EGH and as a result may be deemed to share beneficial ownership of the securities beneficially owned by EGH. Mr. Whitesell disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein, if any.

SEC source: 0000950170-25-009398 · ownership.xml · nonDerivative · entry 1

Whitesell Patrick · CIK 0001531362 · 10% owner

Endeavor Group Holdings, Inc. · CIK 0001766363 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Plan reported

Ownership: Indirect · By Endeavor Operating Company, LLC

Disclosed balance after: 1,044,179

F1 · shares: The purchases by Endeavor Operating Company, LLC ("EOC") of shares of Class A Common Stock of TKO Group Holdings, Inc. reported herein were effected pursuant to a Rule 10b5-1 trading plan adopted by EOC on December 17, 2024 and expiring on or prior to March 31, 2025.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $147.27 to $148.26 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F3 · ownership.nature: This Form 4 relates to the purchase of shares by EOC. None of the transactions herein involve a purchase of Class A Common Stock by the Reporting Persons. Endeavor Group Holdings, Inc. ("EGH") is the managing member of Endeavor Manager, LLC, which in turn is the managing member of EOC. Mr. Whitesell is a member of the governing body of EGH and as a result may be deemed to share beneficial ownership of the securities beneficially owned by EGH. Mr. Whitesell disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein, if any.

SEC source: 0000950170-25-009412 · ownership.xml · nonDerivative · entry 5

Silver Lake West HoldCo, L.P. · CIK 0001868088 · 10% owner

Silver Lake West HoldCo II, L.P. · CIK 0001868087 · 10% owner

Silver Lake West VoteCo, L.L.C. · CIK 0001868089 · 10% owner

Durban Egon · CIK 0001651403 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Plan reported

Ownership: Indirect · By Endeavor Operating Company, LLC

Disclosed balance after: 1,152,762

F1 · kind: The purchases by Endeavor Operating Company, LLC ("EOC") of shares of Class A Common Stock of TKO Group Holdings, Inc. reported herein were effected pursuant to a Rule 10b5-1 trading plan adopted by EOC on December 17, 2024 and expiring on or prior to March 31, 2025.

F2 · shares: WME IMG, LLC is an indirect wholly owned subsidiary of Endeavor Group Holdings, Inc. ("EGH"). EGH is the managing member of Endeavor Manager, LLC, which in turn is the managing member of EOC. EOC is the managing member of January Capital HoldCo, LLC, which in turn is the managing member of January Capital Sub, LLC. Silver Lake West Holdco, L.P. and Silver Lake West Holdco II, L.P. (the "Silver Lake Equityholders") have designated members of the governing body of EGH and as a result may be deemed to share beneficial ownership of the securities beneficially owned by EGH.

F3 · shares: (continued from footnote 2) Mr. Egon Durban is the managing member of Silver Lake West VoteCo, L.L.C., which is the general partner of each of the Silver Lake Equityholders. Mr. Durban is a director of the Issuer and is a Co-CEO and Managing Member of Silver Lake Group, L.LC. Securities reported on this Form 4 are held solely by subsidiaries of EGH. Investment funds managed by Silver Lake do not directly hold any equity securities of the Issuer.

F8 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $153.11 to $153.90, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F2 · ownership.nature: WME IMG, LLC is an indirect wholly owned subsidiary of Endeavor Group Holdings, Inc. ("EGH"). EGH is the managing member of Endeavor Manager, LLC, which in turn is the managing member of EOC. EOC is the managing member of January Capital HoldCo, LLC, which in turn is the managing member of January Capital Sub, LLC. Silver Lake West Holdco, L.P. and Silver Lake West Holdco II, L.P. (the "Silver Lake Equityholders") have designated members of the governing body of EGH and as a result may be deemed to share beneficial ownership of the securities beneficially owned by EGH.

F3 · ownership.nature: (continued from footnote 2) Mr. Egon Durban is the managing member of Silver Lake West VoteCo, L.L.C., which is the general partner of each of the Silver Lake Equityholders. Mr. Durban is a director of the Issuer and is a Co-CEO and Managing Member of Silver Lake Group, L.LC. Securities reported on this Form 4 are held solely by subsidiaries of EGH. Investment funds managed by Silver Lake do not directly hold any equity securities of the Issuer.

SEC source: 0000950170-25-009412 · ownership.xml · nonDerivative · entry 4

Silver Lake West HoldCo, L.P. · CIK 0001868088 · 10% owner

Silver Lake West HoldCo II, L.P. · CIK 0001868087 · 10% owner

Silver Lake West VoteCo, L.L.C. · CIK 0001868089 · 10% owner

Durban Egon · CIK 0001651403 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Plan reported

Ownership: Indirect · By Endeavor Operating Company, LLC

Disclosed balance after: 1,132,276

F1 · kind: The purchases by Endeavor Operating Company, LLC ("EOC") of shares of Class A Common Stock of TKO Group Holdings, Inc. reported herein were effected pursuant to a Rule 10b5-1 trading plan adopted by EOC on December 17, 2024 and expiring on or prior to March 31, 2025.

F2 · shares: WME IMG, LLC is an indirect wholly owned subsidiary of Endeavor Group Holdings, Inc. ("EGH"). EGH is the managing member of Endeavor Manager, LLC, which in turn is the managing member of EOC. EOC is the managing member of January Capital HoldCo, LLC, which in turn is the managing member of January Capital Sub, LLC. Silver Lake West Holdco, L.P. and Silver Lake West Holdco II, L.P. (the "Silver Lake Equityholders") have designated members of the governing body of EGH and as a result may be deemed to share beneficial ownership of the securities beneficially owned by EGH.

F3 · shares: (continued from footnote 2) Mr. Egon Durban is the managing member of Silver Lake West VoteCo, L.L.C., which is the general partner of each of the Silver Lake Equityholders. Mr. Durban is a director of the Issuer and is a Co-CEO and Managing Member of Silver Lake Group, L.LC. Securities reported on this Form 4 are held solely by subsidiaries of EGH. Investment funds managed by Silver Lake do not directly hold any equity securities of the Issuer.

F7 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $152.11 to $153.10, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F2 · ownership.nature: WME IMG, LLC is an indirect wholly owned subsidiary of Endeavor Group Holdings, Inc. ("EGH"). EGH is the managing member of Endeavor Manager, LLC, which in turn is the managing member of EOC. EOC is the managing member of January Capital HoldCo, LLC, which in turn is the managing member of January Capital Sub, LLC. Silver Lake West Holdco, L.P. and Silver Lake West Holdco II, L.P. (the "Silver Lake Equityholders") have designated members of the governing body of EGH and as a result may be deemed to share beneficial ownership of the securities beneficially owned by EGH.

F3 · ownership.nature: (continued from footnote 2) Mr. Egon Durban is the managing member of Silver Lake West VoteCo, L.L.C., which is the general partner of each of the Silver Lake Equityholders. Mr. Durban is a director of the Issuer and is a Co-CEO and Managing Member of Silver Lake Group, L.LC. Securities reported on this Form 4 are held solely by subsidiaries of EGH. Investment funds managed by Silver Lake do not directly hold any equity securities of the Issuer.

SEC source: 0000950170-25-009412 · ownership.xml · nonDerivative · entry 3

Silver Lake West HoldCo, L.P. · CIK 0001868088 · 10% owner

Silver Lake West HoldCo II, L.P. · CIK 0001868087 · 10% owner

Silver Lake West VoteCo, L.L.C. · CIK 0001868089 · 10% owner

Durban Egon · CIK 0001651403 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Plan reported

Ownership: Indirect · By Endeavor Operating Company, LLC

Disclosed balance after: 1,099,639

F1 · kind: The purchases by Endeavor Operating Company, LLC ("EOC") of shares of Class A Common Stock of TKO Group Holdings, Inc. reported herein were effected pursuant to a Rule 10b5-1 trading plan adopted by EOC on December 17, 2024 and expiring on or prior to March 31, 2025.

F2 · shares: WME IMG, LLC is an indirect wholly owned subsidiary of Endeavor Group Holdings, Inc. ("EGH"). EGH is the managing member of Endeavor Manager, LLC, which in turn is the managing member of EOC. EOC is the managing member of January Capital HoldCo, LLC, which in turn is the managing member of January Capital Sub, LLC. Silver Lake West Holdco, L.P. and Silver Lake West Holdco II, L.P. (the "Silver Lake Equityholders") have designated members of the governing body of EGH and as a result may be deemed to share beneficial ownership of the securities beneficially owned by EGH.

F3 · shares: (continued from footnote 2) Mr. Egon Durban is the managing member of Silver Lake West VoteCo, L.L.C., which is the general partner of each of the Silver Lake Equityholders. Mr. Durban is a director of the Issuer and is a Co-CEO and Managing Member of Silver Lake Group, L.LC. Securities reported on this Form 4 are held solely by subsidiaries of EGH. Investment funds managed by Silver Lake do not directly hold any equity securities of the Issuer.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $149.27 to $150.00, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F2 · ownership.nature: WME IMG, LLC is an indirect wholly owned subsidiary of Endeavor Group Holdings, Inc. ("EGH"). EGH is the managing member of Endeavor Manager, LLC, which in turn is the managing member of EOC. EOC is the managing member of January Capital HoldCo, LLC, which in turn is the managing member of January Capital Sub, LLC. Silver Lake West Holdco, L.P. and Silver Lake West Holdco II, L.P. (the "Silver Lake Equityholders") have designated members of the governing body of EGH and as a result may be deemed to share beneficial ownership of the securities beneficially owned by EGH.

F3 · ownership.nature: (continued from footnote 2) Mr. Egon Durban is the managing member of Silver Lake West VoteCo, L.L.C., which is the general partner of each of the Silver Lake Equityholders. Mr. Durban is a director of the Issuer and is a Co-CEO and Managing Member of Silver Lake Group, L.LC. Securities reported on this Form 4 are held solely by subsidiaries of EGH. Investment funds managed by Silver Lake do not directly hold any equity securities of the Issuer.

SEC source: 0000950170-25-009412 · ownership.xml · nonDerivative · entry 2

Silver Lake West HoldCo, L.P. · CIK 0001868088 · 10% owner

Silver Lake West HoldCo II, L.P. · CIK 0001868087 · 10% owner

Silver Lake West VoteCo, L.L.C. · CIK 0001868089 · 10% owner

Durban Egon · CIK 0001651403 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Plan reported

Ownership: Indirect · By Endeavor Operating Company, LLC

Disclosed balance after: 1,056,184

F1 · kind: The purchases by Endeavor Operating Company, LLC ("EOC") of shares of Class A Common Stock of TKO Group Holdings, Inc. reported herein were effected pursuant to a Rule 10b5-1 trading plan adopted by EOC on December 17, 2024 and expiring on or prior to March 31, 2025.

F2 · shares: WME IMG, LLC is an indirect wholly owned subsidiary of Endeavor Group Holdings, Inc. ("EGH"). EGH is the managing member of Endeavor Manager, LLC, which in turn is the managing member of EOC. EOC is the managing member of January Capital HoldCo, LLC, which in turn is the managing member of January Capital Sub, LLC. Silver Lake West Holdco, L.P. and Silver Lake West Holdco II, L.P. (the "Silver Lake Equityholders") have designated members of the governing body of EGH and as a result may be deemed to share beneficial ownership of the securities beneficially owned by EGH.

F3 · shares: (continued from footnote 2) Mr. Egon Durban is the managing member of Silver Lake West VoteCo, L.L.C., which is the general partner of each of the Silver Lake Equityholders. Mr. Durban is a director of the Issuer and is a Co-CEO and Managing Member of Silver Lake Group, L.LC. Securities reported on this Form 4 are held solely by subsidiaries of EGH. Investment funds managed by Silver Lake do not directly hold any equity securities of the Issuer.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $148.27 to $149.25, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F2 · ownership.nature: WME IMG, LLC is an indirect wholly owned subsidiary of Endeavor Group Holdings, Inc. ("EGH"). EGH is the managing member of Endeavor Manager, LLC, which in turn is the managing member of EOC. EOC is the managing member of January Capital HoldCo, LLC, which in turn is the managing member of January Capital Sub, LLC. Silver Lake West Holdco, L.P. and Silver Lake West Holdco II, L.P. (the "Silver Lake Equityholders") have designated members of the governing body of EGH and as a result may be deemed to share beneficial ownership of the securities beneficially owned by EGH.

F3 · ownership.nature: (continued from footnote 2) Mr. Egon Durban is the managing member of Silver Lake West VoteCo, L.L.C., which is the general partner of each of the Silver Lake Equityholders. Mr. Durban is a director of the Issuer and is a Co-CEO and Managing Member of Silver Lake Group, L.LC. Securities reported on this Form 4 are held solely by subsidiaries of EGH. Investment funds managed by Silver Lake do not directly hold any equity securities of the Issuer.

SEC source: 0000950170-25-009412 · ownership.xml · nonDerivative · entry 1

Silver Lake West HoldCo, L.P. · CIK 0001868088 · 10% owner

Silver Lake West HoldCo II, L.P. · CIK 0001868087 · 10% owner

Silver Lake West VoteCo, L.L.C. · CIK 0001868089 · 10% owner

Durban Egon · CIK 0001651403 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Plan reported

Ownership: Indirect · By Endeavor Operating Company, LLC

Disclosed balance after: 1,044,179

F1 · kind: The purchases by Endeavor Operating Company, LLC ("EOC") of shares of Class A Common Stock of TKO Group Holdings, Inc. reported herein were effected pursuant to a Rule 10b5-1 trading plan adopted by EOC on December 17, 2024 and expiring on or prior to March 31, 2025.

F2 · shares: WME IMG, LLC is an indirect wholly owned subsidiary of Endeavor Group Holdings, Inc. ("EGH"). EGH is the managing member of Endeavor Manager, LLC, which in turn is the managing member of EOC. EOC is the managing member of January Capital HoldCo, LLC, which in turn is the managing member of January Capital Sub, LLC. Silver Lake West Holdco, L.P. and Silver Lake West Holdco II, L.P. (the "Silver Lake Equityholders") have designated members of the governing body of EGH and as a result may be deemed to share beneficial ownership of the securities beneficially owned by EGH.

F3 · shares: (continued from footnote 2) Mr. Egon Durban is the managing member of Silver Lake West VoteCo, L.L.C., which is the general partner of each of the Silver Lake Equityholders. Mr. Durban is a director of the Issuer and is a Co-CEO and Managing Member of Silver Lake Group, L.LC. Securities reported on this Form 4 are held solely by subsidiaries of EGH. Investment funds managed by Silver Lake do not directly hold any equity securities of the Issuer.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $147.27 to $148.26 inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F2 · ownership.nature: WME IMG, LLC is an indirect wholly owned subsidiary of Endeavor Group Holdings, Inc. ("EGH"). EGH is the managing member of Endeavor Manager, LLC, which in turn is the managing member of EOC. EOC is the managing member of January Capital HoldCo, LLC, which in turn is the managing member of January Capital Sub, LLC. Silver Lake West Holdco, L.P. and Silver Lake West Holdco II, L.P. (the "Silver Lake Equityholders") have designated members of the governing body of EGH and as a result may be deemed to share beneficial ownership of the securities beneficially owned by EGH.

F3 · ownership.nature: (continued from footnote 2) Mr. Egon Durban is the managing member of Silver Lake West VoteCo, L.L.C., which is the general partner of each of the Silver Lake Equityholders. Mr. Durban is a director of the Issuer and is a Co-CEO and Managing Member of Silver Lake Group, L.LC. Securities reported on this Form 4 are held solely by subsidiaries of EGH. Investment funds managed by Silver Lake do not directly hold any equity securities of the Issuer.

SEC source: 0000950170-25-008026 · ownership.xml · nonDerivative · entry 10

Emanuel Ariel · CIK 0001320234 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Endeavor Operating Company, LLC

Disclosed balance after: 1,031,804

F1 · shares: The purchases by Endeavor Operating Company, LLC ("EOC") of shares of Class A Common Stock of TKO Group Holdings, Inc. reported herein were effected pursuant to a Rule 10b5-1 trading plan adopted by EOC on December 17, 2024 and expiring on or prior to March 31, 2025.

F11 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $145.70 to $146.45 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F3 · ownership.nature: This Form 4 relates to the purchase of shares by EOC. None of the transactions herein involve a purchase of Class A Common Stock by the Reporting Person. Endeavor Group Holdings, Inc. ("EGH") is the managing member of Endeavor Manager, LLC, which in turn is the managing member of EOC. Mr. Emanuel is a member of the governing body of EGH and as a result may be deemed to share beneficial ownership of the securities beneficially owned by EGH. Mr. Emanuel disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein, if any.

SEC source: 0000950170-25-008026 · ownership.xml · nonDerivative · entry 9

Emanuel Ariel · CIK 0001320234 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Endeavor Operating Company, LLC

Disclosed balance after: 1,030,496

F1 · shares: The purchases by Endeavor Operating Company, LLC ("EOC") of shares of Class A Common Stock of TKO Group Holdings, Inc. reported herein were effected pursuant to a Rule 10b5-1 trading plan adopted by EOC on December 17, 2024 and expiring on or prior to March 31, 2025.

F10 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $144.58 to $145.50 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F3 · ownership.nature: This Form 4 relates to the purchase of shares by EOC. None of the transactions herein involve a purchase of Class A Common Stock by the Reporting Person. Endeavor Group Holdings, Inc. ("EGH") is the managing member of Endeavor Manager, LLC, which in turn is the managing member of EOC. Mr. Emanuel is a member of the governing body of EGH and as a result may be deemed to share beneficial ownership of the securities beneficially owned by EGH. Mr. Emanuel disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein, if any.

SEC source: 0000950170-25-008026 · ownership.xml · nonDerivative · entry 8

Emanuel Ariel · CIK 0001320234 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Endeavor Operating Company, LLC

Disclosed balance after: 1,022,579

F1 · shares: The purchases by Endeavor Operating Company, LLC ("EOC") of shares of Class A Common Stock of TKO Group Holdings, Inc. reported herein were effected pursuant to a Rule 10b5-1 trading plan adopted by EOC on December 17, 2024 and expiring on or prior to March 31, 2025.

F9 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $143.58 to $144.57 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F3 · ownership.nature: This Form 4 relates to the purchase of shares by EOC. None of the transactions herein involve a purchase of Class A Common Stock by the Reporting Person. Endeavor Group Holdings, Inc. ("EGH") is the managing member of Endeavor Manager, LLC, which in turn is the managing member of EOC. Mr. Emanuel is a member of the governing body of EGH and as a result may be deemed to share beneficial ownership of the securities beneficially owned by EGH. Mr. Emanuel disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein, if any.

SEC source: 0000950170-25-008026 · ownership.xml · nonDerivative · entry 7

Emanuel Ariel · CIK 0001320234 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Endeavor Operating Company, LLC

Disclosed balance after: 960,745

F1 · shares: The purchases by Endeavor Operating Company, LLC ("EOC") of shares of Class A Common Stock of TKO Group Holdings, Inc. reported herein were effected pursuant to a Rule 10b5-1 trading plan adopted by EOC on December 17, 2024 and expiring on or prior to March 31, 2025.

F8 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $142.58 to $143.57 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F3 · ownership.nature: This Form 4 relates to the purchase of shares by EOC. None of the transactions herein involve a purchase of Class A Common Stock by the Reporting Person. Endeavor Group Holdings, Inc. ("EGH") is the managing member of Endeavor Manager, LLC, which in turn is the managing member of EOC. Mr. Emanuel is a member of the governing body of EGH and as a result may be deemed to share beneficial ownership of the securities beneficially owned by EGH. Mr. Emanuel disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein, if any.

SEC source: 0000950170-25-008029 · ownership.xml · nonDerivative · entry 10

Whitesell Patrick · CIK 0001531362 · 10% owner

Endeavor Group Holdings, Inc. · CIK 0001766363 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Plan reported

Ownership: Indirect · By Endeavor Operating Company, LLC

Disclosed balance after: 1,031,804

F1 · shares: The purchases by Endeavor Operating Company, LLC ("EOC") of shares of Class A Common Stock of TKO Group Holdings, Inc. reported herein were effected pursuant to a Rule 10b5-1 trading plan adopted by EOC on December 17, 2024 and expiring on or prior to March 31, 2025.

F11 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $145.70 to $146.45 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F3 · ownership.nature: This Form 4 relates to the purchase of shares by EOC. None of the transactions herein involve a purchase of Class A Common Stock by the Reporting Persons. Endeavor Group Holdings, Inc. ("EGH") is the managing member of Endeavor Manager, LLC, which in turn is the managing member of EOC. Mr. Whitesell is a member of the governing body of EGH and as a result may be deemed to share beneficial ownership of the securities beneficially owned by EGH. Mr. Whitesell disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein, if any.

SEC source: 0000950170-25-008029 · ownership.xml · nonDerivative · entry 9

Whitesell Patrick · CIK 0001531362 · 10% owner

Endeavor Group Holdings, Inc. · CIK 0001766363 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Plan reported

Ownership: Indirect · By Endeavor Operating Company, LLC

Disclosed balance after: 1,030,496

F1 · shares: The purchases by Endeavor Operating Company, LLC ("EOC") of shares of Class A Common Stock of TKO Group Holdings, Inc. reported herein were effected pursuant to a Rule 10b5-1 trading plan adopted by EOC on December 17, 2024 and expiring on or prior to March 31, 2025.

F10 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $144.58 to $145.50 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F3 · ownership.nature: This Form 4 relates to the purchase of shares by EOC. None of the transactions herein involve a purchase of Class A Common Stock by the Reporting Persons. Endeavor Group Holdings, Inc. ("EGH") is the managing member of Endeavor Manager, LLC, which in turn is the managing member of EOC. Mr. Whitesell is a member of the governing body of EGH and as a result may be deemed to share beneficial ownership of the securities beneficially owned by EGH. Mr. Whitesell disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein, if any.

SEC source: 0000950170-25-008029 · ownership.xml · nonDerivative · entry 8

Whitesell Patrick · CIK 0001531362 · 10% owner

Endeavor Group Holdings, Inc. · CIK 0001766363 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Plan reported

Ownership: Indirect · By Endeavor Operating Company, LLC

Disclosed balance after: 1,022,579

F1 · shares: The purchases by Endeavor Operating Company, LLC ("EOC") of shares of Class A Common Stock of TKO Group Holdings, Inc. reported herein were effected pursuant to a Rule 10b5-1 trading plan adopted by EOC on December 17, 2024 and expiring on or prior to March 31, 2025.

F9 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $143.58 to $144.57 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F3 · ownership.nature: This Form 4 relates to the purchase of shares by EOC. None of the transactions herein involve a purchase of Class A Common Stock by the Reporting Persons. Endeavor Group Holdings, Inc. ("EGH") is the managing member of Endeavor Manager, LLC, which in turn is the managing member of EOC. Mr. Whitesell is a member of the governing body of EGH and as a result may be deemed to share beneficial ownership of the securities beneficially owned by EGH. Mr. Whitesell disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein, if any.

SEC source: 0000950170-25-008029 · ownership.xml · nonDerivative · entry 7

Whitesell Patrick · CIK 0001531362 · 10% owner

Endeavor Group Holdings, Inc. · CIK 0001766363 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Plan reported

Ownership: Indirect · By Endeavor Operating Company, LLC

Disclosed balance after: 960,745

F1 · shares: The purchases by Endeavor Operating Company, LLC ("EOC") of shares of Class A Common Stock of TKO Group Holdings, Inc. reported herein were effected pursuant to a Rule 10b5-1 trading plan adopted by EOC on December 17, 2024 and expiring on or prior to March 31, 2025.

F8 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $142.58 to $143.57 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F3 · ownership.nature: This Form 4 relates to the purchase of shares by EOC. None of the transactions herein involve a purchase of Class A Common Stock by the Reporting Persons. Endeavor Group Holdings, Inc. ("EGH") is the managing member of Endeavor Manager, LLC, which in turn is the managing member of EOC. Mr. Whitesell is a member of the governing body of EGH and as a result may be deemed to share beneficial ownership of the securities beneficially owned by EGH. Mr. Whitesell disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein, if any.

SEC source: 0000950170-25-008021 · ownership.xml · nonDerivative · entry 10

Silver Lake West HoldCo, L.P. · CIK 0001868088 · 10% owner

Silver Lake West HoldCo II, L.P. · CIK 0001868087 · 10% owner

Silver Lake West VoteCo, L.L.C. · CIK 0001868089 · 10% owner

Durban Egon · CIK 0001651403 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Plan reported

Ownership: Indirect · By Endeavor Operating Company, LLC

Disclosed balance after: 1,031,804

F1 · kind: The purchases by Endeavor Operating Company, LLC ("EOC") of shares of Class A Common Stock of TKO Group Holdings, Inc. reported herein were effected pursuant to a Rule 10b5-1 trading plan adopted by EOC on December 17, 2024 and expiring on or prior to March 31, 2025.

F2 · shares: WME IMG, LLC is an indirect wholly owned subsidiary of Endeavor Group Holdings, Inc. ("EGH"). EGH is the managing member of Endeavor Manager, LLC, which in turn is the managing member of EOC. EOC is the managing member of January Capital HoldCo, LLC, which in turn is the managing member of January Capital Sub, LLC. Silver Lake West Holdco, L.P. and Silver Lake West Holdco II, L.P. (the "Silver Lake Equityholders") have designated members of the governing body of EGH and as a result may be deemed to share beneficial ownership of the securities beneficially owned by EGH.

F3 · shares: (continued from footnote 2) Mr. Egon Durban is the managing member of Silver Lake West VoteCo, L.L.C., which is the general partner of each of the Silver Lake Equityholders. Mr. Durban is a director of the Issuer and is a Co-CEO and Managing Member of Silver Lake Group, L.LC. Securities reported on this Form 4 are held solely by subsidiaries of EGH. Investment funds managed by Silver Lake do not directly hold any equity securities of the Issuer.

F12 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $145.70 to $146.45, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F2 · ownership.nature: WME IMG, LLC is an indirect wholly owned subsidiary of Endeavor Group Holdings, Inc. ("EGH"). EGH is the managing member of Endeavor Manager, LLC, which in turn is the managing member of EOC. EOC is the managing member of January Capital HoldCo, LLC, which in turn is the managing member of January Capital Sub, LLC. Silver Lake West Holdco, L.P. and Silver Lake West Holdco II, L.P. (the "Silver Lake Equityholders") have designated members of the governing body of EGH and as a result may be deemed to share beneficial ownership of the securities beneficially owned by EGH.

F3 · ownership.nature: (continued from footnote 2) Mr. Egon Durban is the managing member of Silver Lake West VoteCo, L.L.C., which is the general partner of each of the Silver Lake Equityholders. Mr. Durban is a director of the Issuer and is a Co-CEO and Managing Member of Silver Lake Group, L.LC. Securities reported on this Form 4 are held solely by subsidiaries of EGH. Investment funds managed by Silver Lake do not directly hold any equity securities of the Issuer.

SEC source: 0000950170-25-008021 · ownership.xml · nonDerivative · entry 9

Silver Lake West HoldCo, L.P. · CIK 0001868088 · 10% owner

Silver Lake West HoldCo II, L.P. · CIK 0001868087 · 10% owner

Silver Lake West VoteCo, L.L.C. · CIK 0001868089 · 10% owner

Durban Egon · CIK 0001651403 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Plan reported

Ownership: Indirect · By Endeavor Operating Company, LLC

Disclosed balance after: 1,030,496

F1 · kind: The purchases by Endeavor Operating Company, LLC ("EOC") of shares of Class A Common Stock of TKO Group Holdings, Inc. reported herein were effected pursuant to a Rule 10b5-1 trading plan adopted by EOC on December 17, 2024 and expiring on or prior to March 31, 2025.

F2 · shares: WME IMG, LLC is an indirect wholly owned subsidiary of Endeavor Group Holdings, Inc. ("EGH"). EGH is the managing member of Endeavor Manager, LLC, which in turn is the managing member of EOC. EOC is the managing member of January Capital HoldCo, LLC, which in turn is the managing member of January Capital Sub, LLC. Silver Lake West Holdco, L.P. and Silver Lake West Holdco II, L.P. (the "Silver Lake Equityholders") have designated members of the governing body of EGH and as a result may be deemed to share beneficial ownership of the securities beneficially owned by EGH.

F3 · shares: (continued from footnote 2) Mr. Egon Durban is the managing member of Silver Lake West VoteCo, L.L.C., which is the general partner of each of the Silver Lake Equityholders. Mr. Durban is a director of the Issuer and is a Co-CEO and Managing Member of Silver Lake Group, L.LC. Securities reported on this Form 4 are held solely by subsidiaries of EGH. Investment funds managed by Silver Lake do not directly hold any equity securities of the Issuer.

F11 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $144.58 to $145.50, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F2 · ownership.nature: WME IMG, LLC is an indirect wholly owned subsidiary of Endeavor Group Holdings, Inc. ("EGH"). EGH is the managing member of Endeavor Manager, LLC, which in turn is the managing member of EOC. EOC is the managing member of January Capital HoldCo, LLC, which in turn is the managing member of January Capital Sub, LLC. Silver Lake West Holdco, L.P. and Silver Lake West Holdco II, L.P. (the "Silver Lake Equityholders") have designated members of the governing body of EGH and as a result may be deemed to share beneficial ownership of the securities beneficially owned by EGH.

F3 · ownership.nature: (continued from footnote 2) Mr. Egon Durban is the managing member of Silver Lake West VoteCo, L.L.C., which is the general partner of each of the Silver Lake Equityholders. Mr. Durban is a director of the Issuer and is a Co-CEO and Managing Member of Silver Lake Group, L.LC. Securities reported on this Form 4 are held solely by subsidiaries of EGH. Investment funds managed by Silver Lake do not directly hold any equity securities of the Issuer.

SEC source: 0000950170-25-008021 · ownership.xml · nonDerivative · entry 8

Silver Lake West HoldCo, L.P. · CIK 0001868088 · 10% owner

Silver Lake West HoldCo II, L.P. · CIK 0001868087 · 10% owner

Silver Lake West VoteCo, L.L.C. · CIK 0001868089 · 10% owner

Durban Egon · CIK 0001651403 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Plan reported

Ownership: Indirect · By Endeavor Operating Company, LLC

Disclosed balance after: 1,022,579

F1 · kind: The purchases by Endeavor Operating Company, LLC ("EOC") of shares of Class A Common Stock of TKO Group Holdings, Inc. reported herein were effected pursuant to a Rule 10b5-1 trading plan adopted by EOC on December 17, 2024 and expiring on or prior to March 31, 2025.

F2 · shares: WME IMG, LLC is an indirect wholly owned subsidiary of Endeavor Group Holdings, Inc. ("EGH"). EGH is the managing member of Endeavor Manager, LLC, which in turn is the managing member of EOC. EOC is the managing member of January Capital HoldCo, LLC, which in turn is the managing member of January Capital Sub, LLC. Silver Lake West Holdco, L.P. and Silver Lake West Holdco II, L.P. (the "Silver Lake Equityholders") have designated members of the governing body of EGH and as a result may be deemed to share beneficial ownership of the securities beneficially owned by EGH.

F3 · shares: (continued from footnote 2) Mr. Egon Durban is the managing member of Silver Lake West VoteCo, L.L.C., which is the general partner of each of the Silver Lake Equityholders. Mr. Durban is a director of the Issuer and is a Co-CEO and Managing Member of Silver Lake Group, L.LC. Securities reported on this Form 4 are held solely by subsidiaries of EGH. Investment funds managed by Silver Lake do not directly hold any equity securities of the Issuer.

F10 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $143.58 to $144.57, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F2 · ownership.nature: WME IMG, LLC is an indirect wholly owned subsidiary of Endeavor Group Holdings, Inc. ("EGH"). EGH is the managing member of Endeavor Manager, LLC, which in turn is the managing member of EOC. EOC is the managing member of January Capital HoldCo, LLC, which in turn is the managing member of January Capital Sub, LLC. Silver Lake West Holdco, L.P. and Silver Lake West Holdco II, L.P. (the "Silver Lake Equityholders") have designated members of the governing body of EGH and as a result may be deemed to share beneficial ownership of the securities beneficially owned by EGH.

F3 · ownership.nature: (continued from footnote 2) Mr. Egon Durban is the managing member of Silver Lake West VoteCo, L.L.C., which is the general partner of each of the Silver Lake Equityholders. Mr. Durban is a director of the Issuer and is a Co-CEO and Managing Member of Silver Lake Group, L.LC. Securities reported on this Form 4 are held solely by subsidiaries of EGH. Investment funds managed by Silver Lake do not directly hold any equity securities of the Issuer.

SEC source: 0000950170-25-008021 · ownership.xml · nonDerivative · entry 7

Silver Lake West HoldCo, L.P. · CIK 0001868088 · 10% owner

Silver Lake West HoldCo II, L.P. · CIK 0001868087 · 10% owner

Silver Lake West VoteCo, L.L.C. · CIK 0001868089 · 10% owner

Durban Egon · CIK 0001651403 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Plan reported

Ownership: Indirect · By Endeavor Operating Company, LLC

Disclosed balance after: 960,745

F1 · kind: The purchases by Endeavor Operating Company, LLC ("EOC") of shares of Class A Common Stock of TKO Group Holdings, Inc. reported herein were effected pursuant to a Rule 10b5-1 trading plan adopted by EOC on December 17, 2024 and expiring on or prior to March 31, 2025.

F2 · shares: WME IMG, LLC is an indirect wholly owned subsidiary of Endeavor Group Holdings, Inc. ("EGH"). EGH is the managing member of Endeavor Manager, LLC, which in turn is the managing member of EOC. EOC is the managing member of January Capital HoldCo, LLC, which in turn is the managing member of January Capital Sub, LLC. Silver Lake West Holdco, L.P. and Silver Lake West Holdco II, L.P. (the "Silver Lake Equityholders") have designated members of the governing body of EGH and as a result may be deemed to share beneficial ownership of the securities beneficially owned by EGH.

F3 · shares: (continued from footnote 2) Mr. Egon Durban is the managing member of Silver Lake West VoteCo, L.L.C., which is the general partner of each of the Silver Lake Equityholders. Mr. Durban is a director of the Issuer and is a Co-CEO and Managing Member of Silver Lake Group, L.LC. Securities reported on this Form 4 are held solely by subsidiaries of EGH. Investment funds managed by Silver Lake do not directly hold any equity securities of the Issuer.

F9 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $142.58 to $143.57, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F2 · ownership.nature: WME IMG, LLC is an indirect wholly owned subsidiary of Endeavor Group Holdings, Inc. ("EGH"). EGH is the managing member of Endeavor Manager, LLC, which in turn is the managing member of EOC. EOC is the managing member of January Capital HoldCo, LLC, which in turn is the managing member of January Capital Sub, LLC. Silver Lake West Holdco, L.P. and Silver Lake West Holdco II, L.P. (the "Silver Lake Equityholders") have designated members of the governing body of EGH and as a result may be deemed to share beneficial ownership of the securities beneficially owned by EGH.

F3 · ownership.nature: (continued from footnote 2) Mr. Egon Durban is the managing member of Silver Lake West VoteCo, L.L.C., which is the general partner of each of the Silver Lake Equityholders. Mr. Durban is a director of the Issuer and is a Co-CEO and Managing Member of Silver Lake Group, L.LC. Securities reported on this Form 4 are held solely by subsidiaries of EGH. Investment funds managed by Silver Lake do not directly hold any equity securities of the Issuer.

SEC source: 0000950170-25-008008 · ownership.xml · nonDerivative · entry 2

Kapral Shane · CIK 0001992689 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,536

F1 · shares: The sale was effected pursuant to a Rule 10b5-1 instruction letter, entered into on November 14, 2023, to satisfy the Reporting Person's tax withholding obligation upon the vesting of previously granted equity awards.

F2 · price: The price reported in Column 4 is a weighted average price. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

SEC source: 0000950170-25-008026 · ownership.xml · nonDerivative · entry 6

Emanuel Ariel · CIK 0001320234 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Endeavor Operating Company, LLC

Disclosed balance after: 915,852

F1 · shares: The purchases by Endeavor Operating Company, LLC ("EOC") of shares of Class A Common Stock of TKO Group Holdings, Inc. reported herein were effected pursuant to a Rule 10b5-1 trading plan adopted by EOC on December 17, 2024 and expiring on or prior to March 31, 2025.

F7 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $143.98 to $144.69 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F3 · ownership.nature: This Form 4 relates to the purchase of shares by EOC. None of the transactions herein involve a purchase of Class A Common Stock by the Reporting Person. Endeavor Group Holdings, Inc. ("EGH") is the managing member of Endeavor Manager, LLC, which in turn is the managing member of EOC. Mr. Emanuel is a member of the governing body of EGH and as a result may be deemed to share beneficial ownership of the securities beneficially owned by EGH. Mr. Emanuel disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein, if any.

SEC source: 0000950170-25-008026 · ownership.xml · nonDerivative · entry 5

Emanuel Ariel · CIK 0001320234 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Endeavor Operating Company, LLC

Disclosed balance after: 830,931

F1 · shares: The purchases by Endeavor Operating Company, LLC ("EOC") of shares of Class A Common Stock of TKO Group Holdings, Inc. reported herein were effected pursuant to a Rule 10b5-1 trading plan adopted by EOC on December 17, 2024 and expiring on or prior to March 31, 2025.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $142.98 to $143.97 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F3 · ownership.nature: This Form 4 relates to the purchase of shares by EOC. None of the transactions herein involve a purchase of Class A Common Stock by the Reporting Person. Endeavor Group Holdings, Inc. ("EGH") is the managing member of Endeavor Manager, LLC, which in turn is the managing member of EOC. Mr. Emanuel is a member of the governing body of EGH and as a result may be deemed to share beneficial ownership of the securities beneficially owned by EGH. Mr. Emanuel disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein, if any.

SEC source: 0000950170-25-008026 · ownership.xml · nonDerivative · entry 4

Emanuel Ariel · CIK 0001320234 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Endeavor Operating Company, LLC

Disclosed balance after: 810,307

F1 · shares: The purchases by Endeavor Operating Company, LLC ("EOC") of shares of Class A Common Stock of TKO Group Holdings, Inc. reported herein were effected pursuant to a Rule 10b5-1 trading plan adopted by EOC on December 17, 2024 and expiring on or prior to March 31, 2025.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $141.98 to $142.97 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F3 · ownership.nature: This Form 4 relates to the purchase of shares by EOC. None of the transactions herein involve a purchase of Class A Common Stock by the Reporting Person. Endeavor Group Holdings, Inc. ("EGH") is the managing member of Endeavor Manager, LLC, which in turn is the managing member of EOC. Mr. Emanuel is a member of the governing body of EGH and as a result may be deemed to share beneficial ownership of the securities beneficially owned by EGH. Mr. Emanuel disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein, if any.

SEC source: 0000950170-25-008010 · ownership.xml · nonDerivative · entry 2

Schleimer Andrew M · CIK 0001350603 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 9,563

F1 · shares: The sale was effected pursuant to a Rule 10b5-1 instruction letter, entered into on November 14, 2023, to satisfy the Reporting Person's tax withholding obligation upon the vesting of previously granted equity awards.

F2 · price: The price reported in Column 4 is a weighted average price. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

SEC source: 0000950170-25-008005 · ownership.xml · nonDerivative · entry 2

KRAUSS SETH D · CIK 0001393280 · Chief Legal & Admin. Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 7,983

F1 · shares: The sale was effected pursuant to a Rule 10b5-1 instruction letter, entered into on November 14, 2023, to satisfy the Reporting Person's tax withholding obligation upon the vesting of previously granted equity awards.

F2 · price: The price reported in Column 4 is a weighted average price. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

SEC source: 0000950170-25-008029 · ownership.xml · nonDerivative · entry 6

Whitesell Patrick · CIK 0001531362 · 10% owner

Endeavor Group Holdings, Inc. · CIK 0001766363 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Plan reported

Ownership: Indirect · By Endeavor Operating Company, LLC

Disclosed balance after: 915,852

F1 · shares: The purchases by Endeavor Operating Company, LLC ("EOC") of shares of Class A Common Stock of TKO Group Holdings, Inc. reported herein were effected pursuant to a Rule 10b5-1 trading plan adopted by EOC on December 17, 2024 and expiring on or prior to March 31, 2025.

F7 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $143.98 to $144.69 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F3 · ownership.nature: This Form 4 relates to the purchase of shares by EOC. None of the transactions herein involve a purchase of Class A Common Stock by the Reporting Persons. Endeavor Group Holdings, Inc. ("EGH") is the managing member of Endeavor Manager, LLC, which in turn is the managing member of EOC. Mr. Whitesell is a member of the governing body of EGH and as a result may be deemed to share beneficial ownership of the securities beneficially owned by EGH. Mr. Whitesell disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein, if any.

SEC source: 0000950170-25-008029 · ownership.xml · nonDerivative · entry 5

Whitesell Patrick · CIK 0001531362 · 10% owner

Endeavor Group Holdings, Inc. · CIK 0001766363 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Plan reported

Ownership: Indirect · By Endeavor Operating Company, LLC

Disclosed balance after: 830,931

F1 · shares: The purchases by Endeavor Operating Company, LLC ("EOC") of shares of Class A Common Stock of TKO Group Holdings, Inc. reported herein were effected pursuant to a Rule 10b5-1 trading plan adopted by EOC on December 17, 2024 and expiring on or prior to March 31, 2025.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $142.98 to $143.97 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F3 · ownership.nature: This Form 4 relates to the purchase of shares by EOC. None of the transactions herein involve a purchase of Class A Common Stock by the Reporting Persons. Endeavor Group Holdings, Inc. ("EGH") is the managing member of Endeavor Manager, LLC, which in turn is the managing member of EOC. Mr. Whitesell is a member of the governing body of EGH and as a result may be deemed to share beneficial ownership of the securities beneficially owned by EGH. Mr. Whitesell disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein, if any.

SEC source: 0000950170-25-008029 · ownership.xml · nonDerivative · entry 4

Whitesell Patrick · CIK 0001531362 · 10% owner

Endeavor Group Holdings, Inc. · CIK 0001766363 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Plan reported

Ownership: Indirect · By Endeavor Operating Company, LLC

Disclosed balance after: 810,307

F1 · shares: The purchases by Endeavor Operating Company, LLC ("EOC") of shares of Class A Common Stock of TKO Group Holdings, Inc. reported herein were effected pursuant to a Rule 10b5-1 trading plan adopted by EOC on December 17, 2024 and expiring on or prior to March 31, 2025.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $141.98 to $142.97 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F3 · ownership.nature: This Form 4 relates to the purchase of shares by EOC. None of the transactions herein involve a purchase of Class A Common Stock by the Reporting Persons. Endeavor Group Holdings, Inc. ("EGH") is the managing member of Endeavor Manager, LLC, which in turn is the managing member of EOC. Mr. Whitesell is a member of the governing body of EGH and as a result may be deemed to share beneficial ownership of the securities beneficially owned by EGH. Mr. Whitesell disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein, if any.

SEC source: 0000950170-25-008021 · ownership.xml · nonDerivative · entry 6

Silver Lake West HoldCo, L.P. · CIK 0001868088 · 10% owner

Silver Lake West HoldCo II, L.P. · CIK 0001868087 · 10% owner

Silver Lake West VoteCo, L.L.C. · CIK 0001868089 · 10% owner

Durban Egon · CIK 0001651403 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Plan reported

Ownership: Indirect · By Endeavor Operating Company, LLC

Disclosed balance after: 915,852

F1 · kind: The purchases by Endeavor Operating Company, LLC ("EOC") of shares of Class A Common Stock of TKO Group Holdings, Inc. reported herein were effected pursuant to a Rule 10b5-1 trading plan adopted by EOC on December 17, 2024 and expiring on or prior to March 31, 2025.

F2 · shares: WME IMG, LLC is an indirect wholly owned subsidiary of Endeavor Group Holdings, Inc. ("EGH"). EGH is the managing member of Endeavor Manager, LLC, which in turn is the managing member of EOC. EOC is the managing member of January Capital HoldCo, LLC, which in turn is the managing member of January Capital Sub, LLC. Silver Lake West Holdco, L.P. and Silver Lake West Holdco II, L.P. (the "Silver Lake Equityholders") have designated members of the governing body of EGH and as a result may be deemed to share beneficial ownership of the securities beneficially owned by EGH.

F3 · shares: (continued from footnote 2) Mr. Egon Durban is the managing member of Silver Lake West VoteCo, L.L.C., which is the general partner of each of the Silver Lake Equityholders. Mr. Durban is a director of the Issuer and is a Co-CEO and Managing Member of Silver Lake Group, L.LC. Securities reported on this Form 4 are held solely by subsidiaries of EGH. Investment funds managed by Silver Lake do not directly hold any equity securities of the Issuer.

F8 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $143.98 to $144.69, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F2 · ownership.nature: WME IMG, LLC is an indirect wholly owned subsidiary of Endeavor Group Holdings, Inc. ("EGH"). EGH is the managing member of Endeavor Manager, LLC, which in turn is the managing member of EOC. EOC is the managing member of January Capital HoldCo, LLC, which in turn is the managing member of January Capital Sub, LLC. Silver Lake West Holdco, L.P. and Silver Lake West Holdco II, L.P. (the "Silver Lake Equityholders") have designated members of the governing body of EGH and as a result may be deemed to share beneficial ownership of the securities beneficially owned by EGH.

F3 · ownership.nature: (continued from footnote 2) Mr. Egon Durban is the managing member of Silver Lake West VoteCo, L.L.C., which is the general partner of each of the Silver Lake Equityholders. Mr. Durban is a director of the Issuer and is a Co-CEO and Managing Member of Silver Lake Group, L.LC. Securities reported on this Form 4 are held solely by subsidiaries of EGH. Investment funds managed by Silver Lake do not directly hold any equity securities of the Issuer.

SEC source: 0000950170-25-008021 · ownership.xml · nonDerivative · entry 5

Silver Lake West HoldCo, L.P. · CIK 0001868088 · 10% owner

Silver Lake West HoldCo II, L.P. · CIK 0001868087 · 10% owner

Silver Lake West VoteCo, L.L.C. · CIK 0001868089 · 10% owner

Durban Egon · CIK 0001651403 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Plan reported

Ownership: Indirect · By Endeavor Operating Company, LLC

Disclosed balance after: 830,931

F1 · kind: The purchases by Endeavor Operating Company, LLC ("EOC") of shares of Class A Common Stock of TKO Group Holdings, Inc. reported herein were effected pursuant to a Rule 10b5-1 trading plan adopted by EOC on December 17, 2024 and expiring on or prior to March 31, 2025.

F2 · shares: WME IMG, LLC is an indirect wholly owned subsidiary of Endeavor Group Holdings, Inc. ("EGH"). EGH is the managing member of Endeavor Manager, LLC, which in turn is the managing member of EOC. EOC is the managing member of January Capital HoldCo, LLC, which in turn is the managing member of January Capital Sub, LLC. Silver Lake West Holdco, L.P. and Silver Lake West Holdco II, L.P. (the "Silver Lake Equityholders") have designated members of the governing body of EGH and as a result may be deemed to share beneficial ownership of the securities beneficially owned by EGH.

F3 · shares: (continued from footnote 2) Mr. Egon Durban is the managing member of Silver Lake West VoteCo, L.L.C., which is the general partner of each of the Silver Lake Equityholders. Mr. Durban is a director of the Issuer and is a Co-CEO and Managing Member of Silver Lake Group, L.LC. Securities reported on this Form 4 are held solely by subsidiaries of EGH. Investment funds managed by Silver Lake do not directly hold any equity securities of the Issuer.

F7 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $142.98 to $143.97, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F2 · ownership.nature: WME IMG, LLC is an indirect wholly owned subsidiary of Endeavor Group Holdings, Inc. ("EGH"). EGH is the managing member of Endeavor Manager, LLC, which in turn is the managing member of EOC. EOC is the managing member of January Capital HoldCo, LLC, which in turn is the managing member of January Capital Sub, LLC. Silver Lake West Holdco, L.P. and Silver Lake West Holdco II, L.P. (the "Silver Lake Equityholders") have designated members of the governing body of EGH and as a result may be deemed to share beneficial ownership of the securities beneficially owned by EGH.

F3 · ownership.nature: (continued from footnote 2) Mr. Egon Durban is the managing member of Silver Lake West VoteCo, L.L.C., which is the general partner of each of the Silver Lake Equityholders. Mr. Durban is a director of the Issuer and is a Co-CEO and Managing Member of Silver Lake Group, L.LC. Securities reported on this Form 4 are held solely by subsidiaries of EGH. Investment funds managed by Silver Lake do not directly hold any equity securities of the Issuer.

SEC source: 0000950170-25-008021 · ownership.xml · nonDerivative · entry 4

Silver Lake West HoldCo, L.P. · CIK 0001868088 · 10% owner

Silver Lake West HoldCo II, L.P. · CIK 0001868087 · 10% owner

Silver Lake West VoteCo, L.L.C. · CIK 0001868089 · 10% owner

Durban Egon · CIK 0001651403 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Plan reported

Ownership: Indirect · By Endeavor Operating Company, LLC

Disclosed balance after: 810,307

F1 · kind: The purchases by Endeavor Operating Company, LLC ("EOC") of shares of Class A Common Stock of TKO Group Holdings, Inc. reported herein were effected pursuant to a Rule 10b5-1 trading plan adopted by EOC on December 17, 2024 and expiring on or prior to March 31, 2025.

F2 · shares: WME IMG, LLC is an indirect wholly owned subsidiary of Endeavor Group Holdings, Inc. ("EGH"). EGH is the managing member of Endeavor Manager, LLC, which in turn is the managing member of EOC. EOC is the managing member of January Capital HoldCo, LLC, which in turn is the managing member of January Capital Sub, LLC. Silver Lake West Holdco, L.P. and Silver Lake West Holdco II, L.P. (the "Silver Lake Equityholders") have designated members of the governing body of EGH and as a result may be deemed to share beneficial ownership of the securities beneficially owned by EGH.

F3 · shares: (continued from footnote 2) Mr. Egon Durban is the managing member of Silver Lake West VoteCo, L.L.C., which is the general partner of each of the Silver Lake Equityholders. Mr. Durban is a director of the Issuer and is a Co-CEO and Managing Member of Silver Lake Group, L.LC. Securities reported on this Form 4 are held solely by subsidiaries of EGH. Investment funds managed by Silver Lake do not directly hold any equity securities of the Issuer.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $141.98 to $142.97, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F2 · ownership.nature: WME IMG, LLC is an indirect wholly owned subsidiary of Endeavor Group Holdings, Inc. ("EGH"). EGH is the managing member of Endeavor Manager, LLC, which in turn is the managing member of EOC. EOC is the managing member of January Capital HoldCo, LLC, which in turn is the managing member of January Capital Sub, LLC. Silver Lake West Holdco, L.P. and Silver Lake West Holdco II, L.P. (the "Silver Lake Equityholders") have designated members of the governing body of EGH and as a result may be deemed to share beneficial ownership of the securities beneficially owned by EGH.

F3 · ownership.nature: (continued from footnote 2) Mr. Egon Durban is the managing member of Silver Lake West VoteCo, L.L.C., which is the general partner of each of the Silver Lake Equityholders. Mr. Durban is a director of the Issuer and is a Co-CEO and Managing Member of Silver Lake Group, L.LC. Securities reported on this Form 4 are held solely by subsidiaries of EGH. Investment funds managed by Silver Lake do not directly hold any equity securities of the Issuer.

SEC source: 0000950170-25-008008 · ownership.xml · derivative · entry 3

Kapral Shane · CIK 0001992689 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 884

Underlying: Class A Common Stock · 441 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of Class A common stock of the Issuer.

F4 · derivative.exercise_date: On February 21, 2024, the Reporting Person was granted 1,325 RSUs, vesting in three near equal annual installments beginning on January 20, 2025.

F4 · derivative.expiration_date: On February 21, 2024, the Reporting Person was granted 1,325 RSUs, vesting in three near equal annual installments beginning on January 20, 2025.

SEC source: 0000950170-25-008008 · ownership.xml · nonDerivative · entry 1

Kapral Shane · CIK 0001992689 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,666

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0000950170-25-008006 · ownership.xml · derivative · entry 3

Emanuel Ariel · CIK 0001320234 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,376

Underlying: Class A Common Stock · 9,688 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of Class A common stock of the Issuer.

F3 · derivative.exercise_date: On February 22, 2024, the Reporting Person was granted 29,064 RSUs, vesting in three equal annual installments beginning on January 20, 2025.

F3 · derivative.expiration_date: On February 22, 2024, the Reporting Person was granted 29,064 RSUs, vesting in three equal annual installments beginning on January 20, 2025.

SEC source: 0000950170-25-008006 · ownership.xml · nonDerivative · entry 2

Emanuel Ariel · CIK 0001320234 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 66,179

F1 · kind: Represents shares automatically withheld to satisfy tax withholding obligations upon the vesting of previously granted equity awards.

SEC source: 0000950170-25-008006 · ownership.xml · nonDerivative · entry 1

Emanuel Ariel · CIK 0001320234 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 70,062

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0000950170-25-008010 · ownership.xml · derivative · entry 3

Schleimer Andrew M · CIK 0001350603 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 11,667

Underlying: Class A Common Stock · 5,833 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of Class A common stock of the Issuer.

F4 · derivative.exercise_date: On February 21, 2024, the Reporting Person was granted 17,500 RSUs, vesting in three near equal annual installments beginning on January 20, 2025.

F4 · derivative.expiration_date: On February 21, 2024, the Reporting Person was granted 17,500 RSUs, vesting in three near equal annual installments beginning on January 20, 2025.

SEC source: 0000950170-25-008010 · ownership.xml · nonDerivative · entry 1

Schleimer Andrew M · CIK 0001350603 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 12,828

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0000950170-25-008005 · ownership.xml · derivative · entry 3

KRAUSS SETH D · CIK 0001393280 · Chief Legal & Admin. Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 9,418

Underlying: Class A Common Stock · 4,709 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of Class A common stock of the Issuer.

F4 · derivative.exercise_date: On February 21, 2024, the Reporting Person was granted 14,127 RSUs, vesting in three equal annual installments beginning on January 20, 2025.

F4 · derivative.expiration_date: On February 21, 2024, the Reporting Person was granted 14,127 RSUs, vesting in three equal annual installments beginning on January 20, 2025.