TKO

SEC source: 0000950170-25-016600 · 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: 1,885,796

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 $158.50 to $159.48, 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: 0000950170-25-016600 · 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: 1,861,716

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 $157.50 to $158.49 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: 0000950170-25-014102 · ownership.xml · nonDerivative · entry 13

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: 1,857,116

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.

F14 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $158.34 to $158.94 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: 0000950170-25-014102 · ownership.xml · nonDerivative · entry 12

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: 1,850,333

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.

F13 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $157.34 to $158.33 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: 0000950170-25-014102 · ownership.xml · nonDerivative · entry 11

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: 1,840,313

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.

F12 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $156.34 to $157.33 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: 0000950170-25-014105 · ownership.xml · nonDerivative · entry 13

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: 1,857,116

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.

F14 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $158.34 to $158.94 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 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: 0000950170-25-014105 · ownership.xml · nonDerivative · entry 12

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: 1,850,333

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.

F13 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $157.34 to $158.33 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 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: 0000950170-25-014105 · ownership.xml · nonDerivative · entry 11

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: 1,840,313

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.

F12 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $156.34 to $157.33 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 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: 0000950170-25-014078 · ownership.xml · nonDerivative · entry 13

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: 1,857,116

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.

F15 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $158.34 to $158.94, 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: 0000950170-25-014078 · ownership.xml · nonDerivative · entry 12

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: 1,850,333

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.

F14 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $157.34 to $158.33, 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: 0000950170-25-014078 · ownership.xml · nonDerivative · entry 11

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: 1,840,313

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.

F13 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $156.34 to $157.33, 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: 0000950170-25-014102 · 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: 1,780,529

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 $158.17 to $159.04 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: 0000950170-25-014102 · 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: 1,759,968

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 $157.17 to $158.16 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: 0000950170-25-014102 · 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: 1,697,371

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 $156.14 to $157.12 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: 0000950170-25-014102 · 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: 1,629,080

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 $155.10 to $155.91 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: 0000950170-25-014102 · 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: 1,686,968

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 $153.96 to $154.91 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: 0000950170-25-014105 · 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: 1,780,529

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 $158.17 to $159.04 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: 0000950170-25-014105 · 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: 1,759,968

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 $157.17 to $158.16 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: 0000950170-25-014105 · 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: 1,697,371

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 $156.14 to $157.12 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: 0000950170-25-014105 · 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: 1,629,080

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 $155.10 to $155.91 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: 0000950170-25-014105 · 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: 1,686,968

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 $153.96 to $154.91 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: 0000950170-25-014078 · 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: 1,780,529

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 $158.17 to $159.04, 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: 0000950170-25-014078 · 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: 1,759,968

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 $157.17 to $158.16, 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: 0000950170-25-014078 · 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: 1,697,371

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 $156.14 to $157.12, 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: 0000950170-25-014078 · 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: 1,688,170

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 $155.10 to $155.91, 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: 0000950170-25-014078 · 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: 1,686,968

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 $153.96 to $154.91, 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: 0000950170-25-012662 · ownership.xml · derivative · entry 2

Johnson Dwayne D. · CIK 0002004737 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 88,511

Underlying: Class A Common Stock · 8,047 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.

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of Class A common stock of the Issuer.

F2 · derivative.exercise_date: On January 23, 2024, the Reporting Person was granted 193,115 RSUs, one half of which vested on December 31, 2024. The remaining portion of the RSUs vest in twelve substantially equal monthly installments on the last day of the month for the period from January 31, 2025 through December 31, 2025. These RSUs are subject to potential acceleration or forfeiture in accordance with the terms of that certain Restricted Stock Unit Grant Notice and Restricted Stock Unit Award Agreement, dated as of January 22, 2024, between the Issuer and the Reporting Person.

F2 · derivative.expiration_date: On January 23, 2024, the Reporting Person was granted 193,115 RSUs, one half of which vested on December 31, 2024. The remaining portion of the RSUs vest in twelve substantially equal monthly installments on the last day of the month for the period from January 31, 2025 through December 31, 2025. These RSUs are subject to potential acceleration or forfeiture in accordance with the terms of that certain Restricted Stock Unit Grant Notice and Restricted Stock Unit Award Agreement, dated as of January 22, 2024, between the Issuer and the Reporting Person.

SEC source: 0000950170-25-012662 · ownership.xml · nonDerivative · entry 1

Johnson Dwayne D. · CIK 0002004737 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 297,720

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: 0000950170-25-014102 · 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: 1,686,368

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.

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: 0000950170-25-014102 · 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: 1,686,268

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 $158.21 to $159.19 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: 0000950170-25-014102 · 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: 1,677,624

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 $157.21 to $158.20 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: 0000950170-25-014102 · 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: 1,659,710

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 $156.21 to $157.20 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: 0000950170-25-014102 · 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: 1,605,610

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 $155.21 to $156.20 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: 0000950170-25-014105 · 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: 1,686,368

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.

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: 0000950170-25-014105 · 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: 1,686,268

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 $158.21 to $159.19 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: 0000950170-25-014105 · 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: 1,677,624

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 $157.21 to $158.20 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: 0000950170-25-014105 · 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: 1,659,710

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 $156.21 to $157.20 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: 0000950170-25-014105 · 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: 1,629,080

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 $155.21 to $156.20 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: 0000950170-25-014078 · 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: 1,686,368

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.

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: 0000950170-25-014078 · 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: 1,686,268

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 $158.21 to $159.19, 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: 0000950170-25-014078 · 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: 1,677,624

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 $157.21 to $158.20, 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: 0000950170-25-014078 · 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: 1,659,710

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 $156.21 to $157.20, 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: 0000950170-25-014078 · 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: 1,629,080

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 $155.21 to $156.20 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: 0000950170-25-011298 · ownership.xml · nonDerivative · entry 14

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: 1,605,610

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.

F16 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $159.02 to $159.73 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: 0000950170-25-011298 · ownership.xml · nonDerivative · entry 13

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: 1,597,986

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.

F15 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $158.02 to $159.00 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: 0000950170-25-011298 · ownership.xml · nonDerivative · entry 12

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: 1,553,326

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.

F14 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $157.02 to $158.01 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: 0000950170-25-011299 · ownership.xml · nonDerivative · entry 14

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: 1,605,610

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.

F16 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $159.02 to $159.73 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: 0000950170-25-011299 · ownership.xml · nonDerivative · entry 13

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: 1,597,986

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.

F15 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $158.02 to $159.00 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: 0000950170-25-011299 · ownership.xml · nonDerivative · entry 12

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: 1,553,326

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.

F14 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $157.02 to $158.01 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: 0000950170-25-011317 · ownership.xml · nonDerivative · entry 14

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: 1,605,610

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.

F17 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $159.02 to $159.73, 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.