TKO

SEC source: 0000950170-25-011317 · 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: 1,597,986

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.

F16 · 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.

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: 0000950170-25-011317 · 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: 1,553,326

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 $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.

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 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: 1,539,589

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 $158.91 to $159.17 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 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: 1,539,189

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 $157.91 to $158.88 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 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: 1,533,478

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 $156.91 to $157.86 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 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: 1,523,372

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 $155.90 to $156.89 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 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: 1,454,009

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 $154.90 to $155.89 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 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: 1,539,589

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 $158.91 to $159.17 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 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: 1,539,189

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 $157.91 to $158.88 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 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: 1,533,478

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 $156.91 to $157.86 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 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: 1,523,372

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 $155.90 to $156.89 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 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: 1,454,009

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 $154.90 to $155.89 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 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: 1,539,589

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 $158.91 to $159.17, 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: 0000950170-25-011317 · 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: 1,539,189

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 $157.91 to $158.88, 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: 0000950170-25-011317 · 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: 1,533,478

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 $156.91 to $157.86, 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: 0000950170-25-011317 · 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: 1,523,372

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 $155.90 to $156.89, 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: 0000950170-25-011317 · 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: 1,454,009

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 $154.90 to $155.89, 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 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: 1,439,593

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 $159.51 to $159.53 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 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: 1,439,193

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 $158.49 to $159.43 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 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: 1,428,987

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 $157.49 to $158.48 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 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: 1,369,688

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 $156.49 to $157.48 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 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: 1,358,251

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 $155.47 to $156.34 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 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: 1,353,329

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 $154.47 to $155.46 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 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: 1,439,593

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 $159.51 to $159.53 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 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: 1,439,193

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 $158.49 to $159.43 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 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: 1,428,987

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 $157.49 to $158.48 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.

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 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: 1,369,688

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 $156.49 to $157.48 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.

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 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: 1,358,251

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 $155.47 to $156.34 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 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: 1,353,329

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 $154.47 to $155.46 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 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: 1,439,593

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 $159.51 to $159.53, 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: 0000950170-25-011317 · 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: 1,439,193

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 $158.49 to $159.43, 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: 0000950170-25-011317 · 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: 1,428,987

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 $157.49 to $158.48, 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: 0000950170-25-011317 · 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: 1,369,688

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 $156.49 to $157.48, 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: 0000950170-25-011317 · 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: 1,358,251

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 $155.47 to $156.34, 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: 0000950170-25-011317 · 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: 1,353,329

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 $154.47 to $155.46 inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

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

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

SEC source: 0000950170-25-009393 · ownership.xml · nonDerivative · entry 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: 1,347,034

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 $153.06 to $154.05 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

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

SEC source: 0000950170-25-009393 · ownership.xml · nonDerivative · entry 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: 1,282,597

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 $152.06 to $153.05 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

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

SEC source: 0000950170-25-009393 · ownership.xml · nonDerivative · entry 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: 1,259,622

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 $151.04 to $152.02 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

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

SEC source: 0000950170-25-009398 · ownership.xml · nonDerivative · entry 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: 1,347,034

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 $153.06 to $154.05 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

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

SEC source: 0000950170-25-009398 · ownership.xml · nonDerivative · entry 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: 1,282,597

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 $152.06 to $153.05 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

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

SEC source: 0000950170-25-009398 · ownership.xml · nonDerivative · entry 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: 1,259,622

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 $151.04 to $152.02 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

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

SEC source: 0000950170-25-009412 · ownership.xml · nonDerivative · entry 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: 1,347,034

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 $153.06 to $154.05, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

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

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

SEC source: 0000950170-25-009412 · ownership.xml · nonDerivative · entry 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: 1,282,597

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 $152.06 to $153.05, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

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

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

SEC source: 0000950170-25-009412 · ownership.xml · nonDerivative · entry 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: 1,259,622

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 $151.04 to $152.02, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

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

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

SEC source: 0000950170-25-009393 · ownership.xml · nonDerivative · entry 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: 1,257,800

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 $153.80 to $154.24 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

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

SEC source: 0000950170-25-009393 · ownership.xml · nonDerivative · entry 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: 1,241,974

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 $152.80 to $153.79 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

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

SEC source: 0000950170-25-009393 · ownership.xml · nonDerivative · entry 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: 1,201,789

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 $151.80 to $152.79 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

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

SEC source: 0000950170-25-009398 · ownership.xml · nonDerivative · entry 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: 1,257,800

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 $153.80 to $154.24 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

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

SEC source: 0000950170-25-009398 · ownership.xml · nonDerivative · entry 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: 1,241,974

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 $152.80 to $153.79 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

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

SEC source: 0000950170-25-009398 · ownership.xml · nonDerivative · entry 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: 1,201,789

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 $151.80 to $152.79 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

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.