Silver Lake West VoteCo, L.L.C.

SEC source: 0000950170-25-081874 · ownership.xml · nonDerivative · entry 1

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: No plan indicated

Ownership: Indirect · By Endeavor Operating Company, LLC

Disclosed balance after: 4,158,517

F1 · kind: On June 3, 2025, Endeavor Operating Company, LLC ("EOC") entered into an agreement to purchase 1,579,080 shares of Class A Common Stock from Vincent K. McMahon in a private transaction at a per share price of $158.32 for aggregate consideration of approximately $250 million. The transaction closed on June 4, 2025.

F2 · ownership.nature: WME IMG, LLC is an indirect 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. Mr. Egon Durban is the managing member of Silver Lake West VoteCo, L.L.C. which owns a majority of the voting power of EGH. Mr. Durban is a director of the Issuer and is a Co-CEO and Managing Member of Silver Lake Group, L.L.C. 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: 0000950170-25-045648 · ownership.xml · derivative · entry 13

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

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

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

Durban Egon · CIK 0001651403 · Director

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 22,311,758

Underlying: Class A Common Stock · 13,139,869 shares

Expires not disclosed

F7 · security: Units of Endeavor Operating Company represent limited liability company units of Endeavor Operating Company, LLC ("Endeavor Operating Company Units") and an equal number of paired shares of Class X common stock of the Issuer, which, pursuant to the limited liability company agreement of Endeavor Operating Company, LLC, are together exchangeable by the holder on a one-for-one basis for, at the option of the Issuer, (i) a share of Class A common stock, subject to conversion rate adjustments for stock splits, stock dividends, reclassification and other similar transactions or (ii) subject to certain conditions, an equivalent amount of cash. Shares of Class X common stock of the Issuer have no economic rights and each share of Class X common stock entitles its holder to 1 vote per share.

F7 · derivative.exercise_price: Units of Endeavor Operating Company represent limited liability company units of Endeavor Operating Company, LLC ("Endeavor Operating Company Units") and an equal number of paired shares of Class X common stock of the Issuer, which, pursuant to the limited liability company agreement of Endeavor Operating Company, LLC, are together exchangeable by the holder on a one-for-one basis for, at the option of the Issuer, (i) a share of Class A common stock, subject to conversion rate adjustments for stock splits, stock dividends, reclassification and other similar transactions or (ii) subject to certain conditions, an equivalent amount of cash. Shares of Class X common stock of the Issuer have no economic rights and each share of Class X common stock entitles its holder to 1 vote per share.

F8 · kind: On March 24, 2025, the Issuer, Wildcat EGH Holdco, L.P. ("Holdco Parent"), an affiliate SLG, Wildcat OpCo Holdco, L.P., an affiliate of SLG ("OpCo Parent" and, together with Holdco Parent, the "Parent Entities"), Wildcat PubCo Merger Sub, Inc., a wholly-owned subsidiary of Holdco Parent ("Company Merger Sub"), Wildcat Manager Merger Sub, L.L.C., a wholly-owned subsidiary of Company Merger Sub ("Manager Merger Sub"), Wildcat OpCo Merger Sub, L.L.C., a wholly-owned subsidiary of OpCo Parent ("OpCo Merger Sub" and, together with Manager Merger Sub and Company Merger Sub, the "Merger Subs"), Endeavor Manager, LLC, a subsidiary of the Issuer ("Manager"), Endeavor Operating Company, LLC, a subsidiary of Manager and indirect subsidiary of the Issuer ("OpCo"), and the other parties thereto, consummated the transactions contemplated by that Agreement and Plan of Merger, dated as of April 2, 2024 (the "Merger Agreement").

F9 · kind: Pursuant to the Merger Agreement, (a) OpCo Merger Sub merged with and into OpCo, with OpCo surviving such merger, collectively owned, directly or indirectly, by OpCo Parent, Manager and certain rollover holders ("Rollover Holders"), (b) immediately following the OpCo merger, Manager Merger Sub merged with and into Manager, with Manager surviving such merger, wholly-owned by the Issuer, and (c) immediately following the Manager merger, Company Merger Sub merged with and into the Issuer, with the Issuer surviving such merger, collectively owned, directly or indirectly, by Holdco Parent and certain Rollover Holders (collectively, the "Mergers"). Each issued and outstanding share of Issuer common stock and Endeavor Operating Company Units held by the Parent Entities or any of their respective affiliates and the Rollover Holders that were issued and outstanding as of immediately prior to the effective time of the Mergers were unaffected by the Mergers and remained issued and outstanding.

F11 · kind: Reflects Class A common stock and/or Endeavor Operating Company Units acquired at a price of $27.50 per share or unit, as applicable, pursuant to the terms of the Merger Agreement and the other transactions contemplated thereby.

F11 · price: Reflects Class A common stock and/or Endeavor Operating Company Units acquired at a price of $27.50 per share or unit, as applicable, pursuant to the terms of the Merger Agreement and the other transactions contemplated thereby.

F7 · derivative.exercise_date: Units of Endeavor Operating Company represent limited liability company units of Endeavor Operating Company, LLC ("Endeavor Operating Company Units") and an equal number of paired shares of Class X common stock of the Issuer, which, pursuant to the limited liability company agreement of Endeavor Operating Company, LLC, are together exchangeable by the holder on a one-for-one basis for, at the option of the Issuer, (i) a share of Class A common stock, subject to conversion rate adjustments for stock splits, stock dividends, reclassification and other similar transactions or (ii) subject to certain conditions, an equivalent amount of cash. Shares of Class X common stock of the Issuer have no economic rights and each share of Class X common stock entitles its holder to 1 vote per share.

F7 · derivative.expiration_date: Units of Endeavor Operating Company represent limited liability company units of Endeavor Operating Company, LLC ("Endeavor Operating Company Units") and an equal number of paired shares of Class X common stock of the Issuer, which, pursuant to the limited liability company agreement of Endeavor Operating Company, LLC, are together exchangeable by the holder on a one-for-one basis for, at the option of the Issuer, (i) a share of Class A common stock, subject to conversion rate adjustments for stock splits, stock dividends, reclassification and other similar transactions or (ii) subject to certain conditions, an equivalent amount of cash. Shares of Class X common stock of the Issuer have no economic rights and each share of Class X common stock entitles its holder to 1 vote per share.

F5 · ownership.nature: Represents securities held by Wildcat Opco, L.P.

F6 · ownership.nature: Silver Lake West VoteCo, L.L.C. is the general partner of each of the HoldCos, Wildcat EGH Holdco, L.P. and Wildcat Opco, L.P. Mr. Durban is a director of the Issuer and is a Co-CEO and Managing Member of SLG. Each of the above may be deemed to be a director by deputization of the Issuer. There was no change in the aggregate amount of securities of the Issuer economically owned by SLG and its affiliates in connection with this reorganization.

SEC source: 0000950170-25-045648 · ownership.xml · derivative · entry 12

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

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

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

Durban Egon · CIK 0001651403 · Director

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 9,171,889

Underlying: Class A Common Stock · 72,792,904 shares

Expires not disclosed

F7 · security: Units of Endeavor Operating Company represent limited liability company units of Endeavor Operating Company, LLC ("Endeavor Operating Company Units") and an equal number of paired shares of Class X common stock of the Issuer, which, pursuant to the limited liability company agreement of Endeavor Operating Company, LLC, are together exchangeable by the holder on a one-for-one basis for, at the option of the Issuer, (i) a share of Class A common stock, subject to conversion rate adjustments for stock splits, stock dividends, reclassification and other similar transactions or (ii) subject to certain conditions, an equivalent amount of cash. Shares of Class X common stock of the Issuer have no economic rights and each share of Class X common stock entitles its holder to 1 vote per share.

F7 · derivative.exercise_price: Units of Endeavor Operating Company represent limited liability company units of Endeavor Operating Company, LLC ("Endeavor Operating Company Units") and an equal number of paired shares of Class X common stock of the Issuer, which, pursuant to the limited liability company agreement of Endeavor Operating Company, LLC, are together exchangeable by the holder on a one-for-one basis for, at the option of the Issuer, (i) a share of Class A common stock, subject to conversion rate adjustments for stock splits, stock dividends, reclassification and other similar transactions or (ii) subject to certain conditions, an equivalent amount of cash. Shares of Class X common stock of the Issuer have no economic rights and each share of Class X common stock entitles its holder to 1 vote per share.

F8 · kind: On March 24, 2025, the Issuer, Wildcat EGH Holdco, L.P. ("Holdco Parent"), an affiliate SLG, Wildcat OpCo Holdco, L.P., an affiliate of SLG ("OpCo Parent" and, together with Holdco Parent, the "Parent Entities"), Wildcat PubCo Merger Sub, Inc., a wholly-owned subsidiary of Holdco Parent ("Company Merger Sub"), Wildcat Manager Merger Sub, L.L.C., a wholly-owned subsidiary of Company Merger Sub ("Manager Merger Sub"), Wildcat OpCo Merger Sub, L.L.C., a wholly-owned subsidiary of OpCo Parent ("OpCo Merger Sub" and, together with Manager Merger Sub and Company Merger Sub, the "Merger Subs"), Endeavor Manager, LLC, a subsidiary of the Issuer ("Manager"), Endeavor Operating Company, LLC, a subsidiary of Manager and indirect subsidiary of the Issuer ("OpCo"), and the other parties thereto, consummated the transactions contemplated by that Agreement and Plan of Merger, dated as of April 2, 2024 (the "Merger Agreement").

F9 · kind: Pursuant to the Merger Agreement, (a) OpCo Merger Sub merged with and into OpCo, with OpCo surviving such merger, collectively owned, directly or indirectly, by OpCo Parent, Manager and certain rollover holders ("Rollover Holders"), (b) immediately following the OpCo merger, Manager Merger Sub merged with and into Manager, with Manager surviving such merger, wholly-owned by the Issuer, and (c) immediately following the Manager merger, Company Merger Sub merged with and into the Issuer, with the Issuer surviving such merger, collectively owned, directly or indirectly, by Holdco Parent and certain Rollover Holders (collectively, the "Mergers"). Each issued and outstanding share of Issuer common stock and Endeavor Operating Company Units held by the Parent Entities or any of their respective affiliates and the Rollover Holders that were issued and outstanding as of immediately prior to the effective time of the Mergers were unaffected by the Mergers and remained issued and outstanding.

F10 · kind: Pursuant to the terms of the Merger Agreement, each share of Issuer's common stock and Endeavor Operating Company Units outstanding immediately prior to the effective time of the Mergers (other than certain excluded shares, including certain rollover interests) was canceled and converted automatically into the right to receive $27.50 in cash per share and/or unit, as applicable, without interest and subject to, and in accordance with, the terms of the Merger Agreement. All shares of Class X and Y common stock of the Issuer were canceled for no consideration.

F8 · price: On March 24, 2025, the Issuer, Wildcat EGH Holdco, L.P. ("Holdco Parent"), an affiliate SLG, Wildcat OpCo Holdco, L.P., an affiliate of SLG ("OpCo Parent" and, together with Holdco Parent, the "Parent Entities"), Wildcat PubCo Merger Sub, Inc., a wholly-owned subsidiary of Holdco Parent ("Company Merger Sub"), Wildcat Manager Merger Sub, L.L.C., a wholly-owned subsidiary of Company Merger Sub ("Manager Merger Sub"), Wildcat OpCo Merger Sub, L.L.C., a wholly-owned subsidiary of OpCo Parent ("OpCo Merger Sub" and, together with Manager Merger Sub and Company Merger Sub, the "Merger Subs"), Endeavor Manager, LLC, a subsidiary of the Issuer ("Manager"), Endeavor Operating Company, LLC, a subsidiary of Manager and indirect subsidiary of the Issuer ("OpCo"), and the other parties thereto, consummated the transactions contemplated by that Agreement and Plan of Merger, dated as of April 2, 2024 (the "Merger Agreement").

F9 · price: Pursuant to the Merger Agreement, (a) OpCo Merger Sub merged with and into OpCo, with OpCo surviving such merger, collectively owned, directly or indirectly, by OpCo Parent, Manager and certain rollover holders ("Rollover Holders"), (b) immediately following the OpCo merger, Manager Merger Sub merged with and into Manager, with Manager surviving such merger, wholly-owned by the Issuer, and (c) immediately following the Manager merger, Company Merger Sub merged with and into the Issuer, with the Issuer surviving such merger, collectively owned, directly or indirectly, by Holdco Parent and certain Rollover Holders (collectively, the "Mergers"). Each issued and outstanding share of Issuer common stock and Endeavor Operating Company Units held by the Parent Entities or any of their respective affiliates and the Rollover Holders that were issued and outstanding as of immediately prior to the effective time of the Mergers were unaffected by the Mergers and remained issued and outstanding.

F10 · price: Pursuant to the terms of the Merger Agreement, each share of Issuer's common stock and Endeavor Operating Company Units outstanding immediately prior to the effective time of the Mergers (other than certain excluded shares, including certain rollover interests) was canceled and converted automatically into the right to receive $27.50 in cash per share and/or unit, as applicable, without interest and subject to, and in accordance with, the terms of the Merger Agreement. All shares of Class X and Y common stock of the Issuer were canceled for no consideration.

F7 · derivative.exercise_date: Units of Endeavor Operating Company represent limited liability company units of Endeavor Operating Company, LLC ("Endeavor Operating Company Units") and an equal number of paired shares of Class X common stock of the Issuer, which, pursuant to the limited liability company agreement of Endeavor Operating Company, LLC, are together exchangeable by the holder on a one-for-one basis for, at the option of the Issuer, (i) a share of Class A common stock, subject to conversion rate adjustments for stock splits, stock dividends, reclassification and other similar transactions or (ii) subject to certain conditions, an equivalent amount of cash. Shares of Class X common stock of the Issuer have no economic rights and each share of Class X common stock entitles its holder to 1 vote per share.

F7 · derivative.expiration_date: Units of Endeavor Operating Company represent limited liability company units of Endeavor Operating Company, LLC ("Endeavor Operating Company Units") and an equal number of paired shares of Class X common stock of the Issuer, which, pursuant to the limited liability company agreement of Endeavor Operating Company, LLC, are together exchangeable by the holder on a one-for-one basis for, at the option of the Issuer, (i) a share of Class A common stock, subject to conversion rate adjustments for stock splits, stock dividends, reclassification and other similar transactions or (ii) subject to certain conditions, an equivalent amount of cash. Shares of Class X common stock of the Issuer have no economic rights and each share of Class X common stock entitles its holder to 1 vote per share.

F5 · ownership.nature: Represents securities held by Wildcat Opco, L.P.

F6 · ownership.nature: Silver Lake West VoteCo, L.L.C. is the general partner of each of the HoldCos, Wildcat EGH Holdco, L.P. and Wildcat Opco, L.P. Mr. Durban is a director of the Issuer and is a Co-CEO and Managing Member of SLG. Each of the above may be deemed to be a director by deputization of the Issuer. There was no change in the aggregate amount of securities of the Issuer economically owned by SLG and its affiliates in connection with this reorganization.

SEC source: 0000950170-25-045648 · ownership.xml · derivative · entry 11

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

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

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

Durban Egon · CIK 0001651403 · Director

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 81,964,793

Underlying: Class A Common Stock · 81,964,793 shares

Expires not disclosed

F7 · security: Units of Endeavor Operating Company represent limited liability company units of Endeavor Operating Company, LLC ("Endeavor Operating Company Units") and an equal number of paired shares of Class X common stock of the Issuer, which, pursuant to the limited liability company agreement of Endeavor Operating Company, LLC, are together exchangeable by the holder on a one-for-one basis for, at the option of the Issuer, (i) a share of Class A common stock, subject to conversion rate adjustments for stock splits, stock dividends, reclassification and other similar transactions or (ii) subject to certain conditions, an equivalent amount of cash. Shares of Class X common stock of the Issuer have no economic rights and each share of Class X common stock entitles its holder to 1 vote per share.

F7 · derivative.exercise_price: Units of Endeavor Operating Company represent limited liability company units of Endeavor Operating Company, LLC ("Endeavor Operating Company Units") and an equal number of paired shares of Class X common stock of the Issuer, which, pursuant to the limited liability company agreement of Endeavor Operating Company, LLC, are together exchangeable by the holder on a one-for-one basis for, at the option of the Issuer, (i) a share of Class A common stock, subject to conversion rate adjustments for stock splits, stock dividends, reclassification and other similar transactions or (ii) subject to certain conditions, an equivalent amount of cash. Shares of Class X common stock of the Issuer have no economic rights and each share of Class X common stock entitles its holder to 1 vote per share.

F1 · kind: Immediately prior to the consummation of the Mergers (as defined below), in connection with an internal reorganization of securities of Endeavor Group Holdings, Inc. (the "Issuer") held by certain investment funds affiliated with Silver Lake Group, L.L.C. ("SLG"), whereby securities held directly by either Silver Lake West HoldCo, L.P. ("West HoldCo") or Silver Lake West HoldCo II, L.P. ("West HoldCo II", and together with West HoldCo, the "HoldCos") were transferred to Wildcat EGH Holdco, L.P. and Wildcat Opco, L.P. Silver Lake West VoteCo, L.L.C. is the general partner of each of the HoldCos, Wildcat EGH Holdco, L.P. and Wildcat Opco, L.P.

F1 · price: Immediately prior to the consummation of the Mergers (as defined below), in connection with an internal reorganization of securities of Endeavor Group Holdings, Inc. (the "Issuer") held by certain investment funds affiliated with Silver Lake Group, L.L.C. ("SLG"), whereby securities held directly by either Silver Lake West HoldCo, L.P. ("West HoldCo") or Silver Lake West HoldCo II, L.P. ("West HoldCo II", and together with West HoldCo, the "HoldCos") were transferred to Wildcat EGH Holdco, L.P. and Wildcat Opco, L.P. Silver Lake West VoteCo, L.L.C. is the general partner of each of the HoldCos, Wildcat EGH Holdco, L.P. and Wildcat Opco, L.P.

F7 · derivative.exercise_date: Units of Endeavor Operating Company represent limited liability company units of Endeavor Operating Company, LLC ("Endeavor Operating Company Units") and an equal number of paired shares of Class X common stock of the Issuer, which, pursuant to the limited liability company agreement of Endeavor Operating Company, LLC, are together exchangeable by the holder on a one-for-one basis for, at the option of the Issuer, (i) a share of Class A common stock, subject to conversion rate adjustments for stock splits, stock dividends, reclassification and other similar transactions or (ii) subject to certain conditions, an equivalent amount of cash. Shares of Class X common stock of the Issuer have no economic rights and each share of Class X common stock entitles its holder to 1 vote per share.

F7 · derivative.expiration_date: Units of Endeavor Operating Company represent limited liability company units of Endeavor Operating Company, LLC ("Endeavor Operating Company Units") and an equal number of paired shares of Class X common stock of the Issuer, which, pursuant to the limited liability company agreement of Endeavor Operating Company, LLC, are together exchangeable by the holder on a one-for-one basis for, at the option of the Issuer, (i) a share of Class A common stock, subject to conversion rate adjustments for stock splits, stock dividends, reclassification and other similar transactions or (ii) subject to certain conditions, an equivalent amount of cash. Shares of Class X common stock of the Issuer have no economic rights and each share of Class X common stock entitles its holder to 1 vote per share.

F5 · ownership.nature: Represents securities held by Wildcat Opco, L.P.

F6 · ownership.nature: Silver Lake West VoteCo, L.L.C. is the general partner of each of the HoldCos, Wildcat EGH Holdco, L.P. and Wildcat Opco, L.P. Mr. Durban is a director of the Issuer and is a Co-CEO and Managing Member of SLG. Each of the above may be deemed to be a director by deputization of the Issuer. There was no change in the aggregate amount of securities of the Issuer economically owned by SLG and its affiliates in connection with this reorganization.

SEC source: 0000950170-25-045648 · ownership.xml · derivative · entry 10

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

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

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

Durban Egon · CIK 0001651403 · Director

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

Underlying: Class A Common Stock · 0 shares

Expires not disclosed

F7 · security: Units of Endeavor Operating Company represent limited liability company units of Endeavor Operating Company, LLC ("Endeavor Operating Company Units") and an equal number of paired shares of Class X common stock of the Issuer, which, pursuant to the limited liability company agreement of Endeavor Operating Company, LLC, are together exchangeable by the holder on a one-for-one basis for, at the option of the Issuer, (i) a share of Class A common stock, subject to conversion rate adjustments for stock splits, stock dividends, reclassification and other similar transactions or (ii) subject to certain conditions, an equivalent amount of cash. Shares of Class X common stock of the Issuer have no economic rights and each share of Class X common stock entitles its holder to 1 vote per share.

F7 · derivative.exercise_price: Units of Endeavor Operating Company represent limited liability company units of Endeavor Operating Company, LLC ("Endeavor Operating Company Units") and an equal number of paired shares of Class X common stock of the Issuer, which, pursuant to the limited liability company agreement of Endeavor Operating Company, LLC, are together exchangeable by the holder on a one-for-one basis for, at the option of the Issuer, (i) a share of Class A common stock, subject to conversion rate adjustments for stock splits, stock dividends, reclassification and other similar transactions or (ii) subject to certain conditions, an equivalent amount of cash. Shares of Class X common stock of the Issuer have no economic rights and each share of Class X common stock entitles its holder to 1 vote per share.

F1 · kind: Immediately prior to the consummation of the Mergers (as defined below), in connection with an internal reorganization of securities of Endeavor Group Holdings, Inc. (the "Issuer") held by certain investment funds affiliated with Silver Lake Group, L.L.C. ("SLG"), whereby securities held directly by either Silver Lake West HoldCo, L.P. ("West HoldCo") or Silver Lake West HoldCo II, L.P. ("West HoldCo II", and together with West HoldCo, the "HoldCos") were transferred to Wildcat EGH Holdco, L.P. and Wildcat Opco, L.P. Silver Lake West VoteCo, L.L.C. is the general partner of each of the HoldCos, Wildcat EGH Holdco, L.P. and Wildcat Opco, L.P.

F12 · shares: Reflects an adjustment upon a reconciliation of the records.

F1 · price: Immediately prior to the consummation of the Mergers (as defined below), in connection with an internal reorganization of securities of Endeavor Group Holdings, Inc. (the "Issuer") held by certain investment funds affiliated with Silver Lake Group, L.L.C. ("SLG"), whereby securities held directly by either Silver Lake West HoldCo, L.P. ("West HoldCo") or Silver Lake West HoldCo II, L.P. ("West HoldCo II", and together with West HoldCo, the "HoldCos") were transferred to Wildcat EGH Holdco, L.P. and Wildcat Opco, L.P. Silver Lake West VoteCo, L.L.C. is the general partner of each of the HoldCos, Wildcat EGH Holdco, L.P. and Wildcat Opco, L.P.

F7 · derivative.exercise_date: Units of Endeavor Operating Company represent limited liability company units of Endeavor Operating Company, LLC ("Endeavor Operating Company Units") and an equal number of paired shares of Class X common stock of the Issuer, which, pursuant to the limited liability company agreement of Endeavor Operating Company, LLC, are together exchangeable by the holder on a one-for-one basis for, at the option of the Issuer, (i) a share of Class A common stock, subject to conversion rate adjustments for stock splits, stock dividends, reclassification and other similar transactions or (ii) subject to certain conditions, an equivalent amount of cash. Shares of Class X common stock of the Issuer have no economic rights and each share of Class X common stock entitles its holder to 1 vote per share.

F7 · derivative.expiration_date: Units of Endeavor Operating Company represent limited liability company units of Endeavor Operating Company, LLC ("Endeavor Operating Company Units") and an equal number of paired shares of Class X common stock of the Issuer, which, pursuant to the limited liability company agreement of Endeavor Operating Company, LLC, are together exchangeable by the holder on a one-for-one basis for, at the option of the Issuer, (i) a share of Class A common stock, subject to conversion rate adjustments for stock splits, stock dividends, reclassification and other similar transactions or (ii) subject to certain conditions, an equivalent amount of cash. Shares of Class X common stock of the Issuer have no economic rights and each share of Class X common stock entitles its holder to 1 vote per share.

F5 · balance_after: Represents securities held by Wildcat Opco, L.P.

F2 · ownership.nature: Represents securities held by West HoldCo.

F6 · ownership.nature: Silver Lake West VoteCo, L.L.C. is the general partner of each of the HoldCos, Wildcat EGH Holdco, L.P. and Wildcat Opco, L.P. Mr. Durban is a director of the Issuer and is a Co-CEO and Managing Member of SLG. Each of the above may be deemed to be a director by deputization of the Issuer. There was no change in the aggregate amount of securities of the Issuer economically owned by SLG and its affiliates in connection with this reorganization.

SEC source: 0000950170-25-045648 · ownership.xml · nonDerivative · entry 9

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

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

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

Durban Egon · CIK 0001651403 · Director

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

F8 · kind: On March 24, 2025, the Issuer, Wildcat EGH Holdco, L.P. ("Holdco Parent"), an affiliate SLG, Wildcat OpCo Holdco, L.P., an affiliate of SLG ("OpCo Parent" and, together with Holdco Parent, the "Parent Entities"), Wildcat PubCo Merger Sub, Inc., a wholly-owned subsidiary of Holdco Parent ("Company Merger Sub"), Wildcat Manager Merger Sub, L.L.C., a wholly-owned subsidiary of Company Merger Sub ("Manager Merger Sub"), Wildcat OpCo Merger Sub, L.L.C., a wholly-owned subsidiary of OpCo Parent ("OpCo Merger Sub" and, together with Manager Merger Sub and Company Merger Sub, the "Merger Subs"), Endeavor Manager, LLC, a subsidiary of the Issuer ("Manager"), Endeavor Operating Company, LLC, a subsidiary of Manager and indirect subsidiary of the Issuer ("OpCo"), and the other parties thereto, consummated the transactions contemplated by that Agreement and Plan of Merger, dated as of April 2, 2024 (the "Merger Agreement").

F9 · kind: Pursuant to the Merger Agreement, (a) OpCo Merger Sub merged with and into OpCo, with OpCo surviving such merger, collectively owned, directly or indirectly, by OpCo Parent, Manager and certain rollover holders ("Rollover Holders"), (b) immediately following the OpCo merger, Manager Merger Sub merged with and into Manager, with Manager surviving such merger, wholly-owned by the Issuer, and (c) immediately following the Manager merger, Company Merger Sub merged with and into the Issuer, with the Issuer surviving such merger, collectively owned, directly or indirectly, by Holdco Parent and certain Rollover Holders (collectively, the "Mergers"). Each issued and outstanding share of Issuer common stock and Endeavor Operating Company Units held by the Parent Entities or any of their respective affiliates and the Rollover Holders that were issued and outstanding as of immediately prior to the effective time of the Mergers were unaffected by the Mergers and remained issued and outstanding.

F10 · kind: Pursuant to the terms of the Merger Agreement, each share of Issuer's common stock and Endeavor Operating Company Units outstanding immediately prior to the effective time of the Mergers (other than certain excluded shares, including certain rollover interests) was canceled and converted automatically into the right to receive $27.50 in cash per share and/or unit, as applicable, without interest and subject to, and in accordance with, the terms of the Merger Agreement. All shares of Class X and Y common stock of the Issuer were canceled for no consideration.

F1 · price: Immediately prior to the consummation of the Mergers (as defined below), in connection with an internal reorganization of securities of Endeavor Group Holdings, Inc. (the "Issuer") held by certain investment funds affiliated with Silver Lake Group, L.L.C. ("SLG"), whereby securities held directly by either Silver Lake West HoldCo, L.P. ("West HoldCo") or Silver Lake West HoldCo II, L.P. ("West HoldCo II", and together with West HoldCo, the "HoldCos") were transferred to Wildcat EGH Holdco, L.P. and Wildcat Opco, L.P. Silver Lake West VoteCo, L.L.C. is the general partner of each of the HoldCos, Wildcat EGH Holdco, L.P. and Wildcat Opco, L.P.

F4 · ownership.nature: Represents securities held by Wildcat EGH Holdco, L.P.

F6 · ownership.nature: Silver Lake West VoteCo, L.L.C. is the general partner of each of the HoldCos, Wildcat EGH Holdco, L.P. and Wildcat Opco, L.P. Mr. Durban is a director of the Issuer and is a Co-CEO and Managing Member of SLG. Each of the above may be deemed to be a director by deputization of the Issuer. There was no change in the aggregate amount of securities of the Issuer economically owned by SLG and its affiliates in connection with this reorganization.

SEC source: 0000950170-25-045648 · ownership.xml · nonDerivative · entry 8

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

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

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

Durban Egon · CIK 0001651403 · Director

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 268,607,550

F8 · kind: On March 24, 2025, the Issuer, Wildcat EGH Holdco, L.P. ("Holdco Parent"), an affiliate SLG, Wildcat OpCo Holdco, L.P., an affiliate of SLG ("OpCo Parent" and, together with Holdco Parent, the "Parent Entities"), Wildcat PubCo Merger Sub, Inc., a wholly-owned subsidiary of Holdco Parent ("Company Merger Sub"), Wildcat Manager Merger Sub, L.L.C., a wholly-owned subsidiary of Company Merger Sub ("Manager Merger Sub"), Wildcat OpCo Merger Sub, L.L.C., a wholly-owned subsidiary of OpCo Parent ("OpCo Merger Sub" and, together with Manager Merger Sub and Company Merger Sub, the "Merger Subs"), Endeavor Manager, LLC, a subsidiary of the Issuer ("Manager"), Endeavor Operating Company, LLC, a subsidiary of Manager and indirect subsidiary of the Issuer ("OpCo"), and the other parties thereto, consummated the transactions contemplated by that Agreement and Plan of Merger, dated as of April 2, 2024 (the "Merger Agreement").

F9 · kind: Pursuant to the Merger Agreement, (a) OpCo Merger Sub merged with and into OpCo, with OpCo surviving such merger, collectively owned, directly or indirectly, by OpCo Parent, Manager and certain rollover holders ("Rollover Holders"), (b) immediately following the OpCo merger, Manager Merger Sub merged with and into Manager, with Manager surviving such merger, wholly-owned by the Issuer, and (c) immediately following the Manager merger, Company Merger Sub merged with and into the Issuer, with the Issuer surviving such merger, collectively owned, directly or indirectly, by Holdco Parent and certain Rollover Holders (collectively, the "Mergers"). Each issued and outstanding share of Issuer common stock and Endeavor Operating Company Units held by the Parent Entities or any of their respective affiliates and the Rollover Holders that were issued and outstanding as of immediately prior to the effective time of the Mergers were unaffected by the Mergers and remained issued and outstanding.

F10 · kind: Pursuant to the terms of the Merger Agreement, each share of Issuer's common stock and Endeavor Operating Company Units outstanding immediately prior to the effective time of the Mergers (other than certain excluded shares, including certain rollover interests) was canceled and converted automatically into the right to receive $27.50 in cash per share and/or unit, as applicable, without interest and subject to, and in accordance with, the terms of the Merger Agreement. All shares of Class X and Y common stock of the Issuer were canceled for no consideration.

F11 · price: Reflects Class A common stock and/or Endeavor Operating Company Units acquired at a price of $27.50 per share or unit, as applicable, pursuant to the terms of the Merger Agreement and the other transactions contemplated thereby.

F4 · ownership.nature: Represents securities held by Wildcat EGH Holdco, L.P.

F6 · ownership.nature: Silver Lake West VoteCo, L.L.C. is the general partner of each of the HoldCos, Wildcat EGH Holdco, L.P. and Wildcat Opco, L.P. Mr. Durban is a director of the Issuer and is a Co-CEO and Managing Member of SLG. Each of the above may be deemed to be a director by deputization of the Issuer. There was no change in the aggregate amount of securities of the Issuer economically owned by SLG and its affiliates in connection with this reorganization.

SEC source: 0000950170-25-045648 · ownership.xml · nonDerivative · entry 7

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

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

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

Durban Egon · CIK 0001651403 · Director

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 9,592,272

F8 · kind: On March 24, 2025, the Issuer, Wildcat EGH Holdco, L.P. ("Holdco Parent"), an affiliate SLG, Wildcat OpCo Holdco, L.P., an affiliate of SLG ("OpCo Parent" and, together with Holdco Parent, the "Parent Entities"), Wildcat PubCo Merger Sub, Inc., a wholly-owned subsidiary of Holdco Parent ("Company Merger Sub"), Wildcat Manager Merger Sub, L.L.C., a wholly-owned subsidiary of Company Merger Sub ("Manager Merger Sub"), Wildcat OpCo Merger Sub, L.L.C., a wholly-owned subsidiary of OpCo Parent ("OpCo Merger Sub" and, together with Manager Merger Sub and Company Merger Sub, the "Merger Subs"), Endeavor Manager, LLC, a subsidiary of the Issuer ("Manager"), Endeavor Operating Company, LLC, a subsidiary of Manager and indirect subsidiary of the Issuer ("OpCo"), and the other parties thereto, consummated the transactions contemplated by that Agreement and Plan of Merger, dated as of April 2, 2024 (the "Merger Agreement").

F9 · kind: Pursuant to the Merger Agreement, (a) OpCo Merger Sub merged with and into OpCo, with OpCo surviving such merger, collectively owned, directly or indirectly, by OpCo Parent, Manager and certain rollover holders ("Rollover Holders"), (b) immediately following the OpCo merger, Manager Merger Sub merged with and into Manager, with Manager surviving such merger, wholly-owned by the Issuer, and (c) immediately following the Manager merger, Company Merger Sub merged with and into the Issuer, with the Issuer surviving such merger, collectively owned, directly or indirectly, by Holdco Parent and certain Rollover Holders (collectively, the "Mergers"). Each issued and outstanding share of Issuer common stock and Endeavor Operating Company Units held by the Parent Entities or any of their respective affiliates and the Rollover Holders that were issued and outstanding as of immediately prior to the effective time of the Mergers were unaffected by the Mergers and remained issued and outstanding.

F10 · kind: Pursuant to the terms of the Merger Agreement, each share of Issuer's common stock and Endeavor Operating Company Units outstanding immediately prior to the effective time of the Mergers (other than certain excluded shares, including certain rollover interests) was canceled and converted automatically into the right to receive $27.50 in cash per share and/or unit, as applicable, without interest and subject to, and in accordance with, the terms of the Merger Agreement. All shares of Class X and Y common stock of the Issuer were canceled for no consideration.

F1 · price: Immediately prior to the consummation of the Mergers (as defined below), in connection with an internal reorganization of securities of Endeavor Group Holdings, Inc. (the "Issuer") held by certain investment funds affiliated with Silver Lake Group, L.L.C. ("SLG"), whereby securities held directly by either Silver Lake West HoldCo, L.P. ("West HoldCo") or Silver Lake West HoldCo II, L.P. ("West HoldCo II", and together with West HoldCo, the "HoldCos") were transferred to Wildcat EGH Holdco, L.P. and Wildcat Opco, L.P. Silver Lake West VoteCo, L.L.C. is the general partner of each of the HoldCos, Wildcat EGH Holdco, L.P. and Wildcat Opco, L.P.

F4 · ownership.nature: Represents securities held by Wildcat EGH Holdco, L.P.

F6 · ownership.nature: Silver Lake West VoteCo, L.L.C. is the general partner of each of the HoldCos, Wildcat EGH Holdco, L.P. and Wildcat Opco, L.P. Mr. Durban is a director of the Issuer and is a Co-CEO and Managing Member of SLG. Each of the above may be deemed to be a director by deputization of the Issuer. There was no change in the aggregate amount of securities of the Issuer economically owned by SLG and its affiliates in connection with this reorganization.

SEC source: 0000950170-25-045648 · ownership.xml · nonDerivative · entry 6

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

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

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

Durban Egon · CIK 0001651403 · Director

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 169,392,221

F1 · kind: Immediately prior to the consummation of the Mergers (as defined below), in connection with an internal reorganization of securities of Endeavor Group Holdings, Inc. (the "Issuer") held by certain investment funds affiliated with Silver Lake Group, L.L.C. ("SLG"), whereby securities held directly by either Silver Lake West HoldCo, L.P. ("West HoldCo") or Silver Lake West HoldCo II, L.P. ("West HoldCo II", and together with West HoldCo, the "HoldCos") were transferred to Wildcat EGH Holdco, L.P. and Wildcat Opco, L.P. Silver Lake West VoteCo, L.L.C. is the general partner of each of the HoldCos, Wildcat EGH Holdco, L.P. and Wildcat Opco, L.P.

F1 · price: Immediately prior to the consummation of the Mergers (as defined below), in connection with an internal reorganization of securities of Endeavor Group Holdings, Inc. (the "Issuer") held by certain investment funds affiliated with Silver Lake Group, L.L.C. ("SLG"), whereby securities held directly by either Silver Lake West HoldCo, L.P. ("West HoldCo") or Silver Lake West HoldCo II, L.P. ("West HoldCo II", and together with West HoldCo, the "HoldCos") were transferred to Wildcat EGH Holdco, L.P. and Wildcat Opco, L.P. Silver Lake West VoteCo, L.L.C. is the general partner of each of the HoldCos, Wildcat EGH Holdco, L.P. and Wildcat Opco, L.P.

F4 · ownership.nature: Represents securities held by Wildcat EGH Holdco, L.P.

F6 · ownership.nature: Silver Lake West VoteCo, L.L.C. is the general partner of each of the HoldCos, Wildcat EGH Holdco, L.P. and Wildcat Opco, L.P. Mr. Durban is a director of the Issuer and is a Co-CEO and Managing Member of SLG. Each of the above may be deemed to be a director by deputization of the Issuer. There was no change in the aggregate amount of securities of the Issuer economically owned by SLG and its affiliates in connection with this reorganization.

SEC source: 0000950170-25-045648 · ownership.xml · nonDerivative · entry 5

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

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

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

Durban Egon · CIK 0001651403 · Director

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

F1 · kind: Immediately prior to the consummation of the Mergers (as defined below), in connection with an internal reorganization of securities of Endeavor Group Holdings, Inc. (the "Issuer") held by certain investment funds affiliated with Silver Lake Group, L.L.C. ("SLG"), whereby securities held directly by either Silver Lake West HoldCo, L.P. ("West HoldCo") or Silver Lake West HoldCo II, L.P. ("West HoldCo II", and together with West HoldCo, the "HoldCos") were transferred to Wildcat EGH Holdco, L.P. and Wildcat Opco, L.P. Silver Lake West VoteCo, L.L.C. is the general partner of each of the HoldCos, Wildcat EGH Holdco, L.P. and Wildcat Opco, L.P.

F1 · price: Immediately prior to the consummation of the Mergers (as defined below), in connection with an internal reorganization of securities of Endeavor Group Holdings, Inc. (the "Issuer") held by certain investment funds affiliated with Silver Lake Group, L.L.C. ("SLG"), whereby securities held directly by either Silver Lake West HoldCo, L.P. ("West HoldCo") or Silver Lake West HoldCo II, L.P. ("West HoldCo II", and together with West HoldCo, the "HoldCos") were transferred to Wildcat EGH Holdco, L.P. and Wildcat Opco, L.P. Silver Lake West VoteCo, L.L.C. is the general partner of each of the HoldCos, Wildcat EGH Holdco, L.P. and Wildcat Opco, L.P.

F3 · ownership.nature: Represents securities held by West HoldCo II.

F6 · ownership.nature: Silver Lake West VoteCo, L.L.C. is the general partner of each of the HoldCos, Wildcat EGH Holdco, L.P. and Wildcat Opco, L.P. Mr. Durban is a director of the Issuer and is a Co-CEO and Managing Member of SLG. Each of the above may be deemed to be a director by deputization of the Issuer. There was no change in the aggregate amount of securities of the Issuer economically owned by SLG and its affiliates in connection with this reorganization.

SEC source: 0000950170-25-045648 · ownership.xml · nonDerivative · entry 4

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

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

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

Durban Egon · CIK 0001651403 · Director

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

F1 · kind: Immediately prior to the consummation of the Mergers (as defined below), in connection with an internal reorganization of securities of Endeavor Group Holdings, Inc. (the "Issuer") held by certain investment funds affiliated with Silver Lake Group, L.L.C. ("SLG"), whereby securities held directly by either Silver Lake West HoldCo, L.P. ("West HoldCo") or Silver Lake West HoldCo II, L.P. ("West HoldCo II", and together with West HoldCo, the "HoldCos") were transferred to Wildcat EGH Holdco, L.P. and Wildcat Opco, L.P. Silver Lake West VoteCo, L.L.C. is the general partner of each of the HoldCos, Wildcat EGH Holdco, L.P. and Wildcat Opco, L.P.

F1 · price: Immediately prior to the consummation of the Mergers (as defined below), in connection with an internal reorganization of securities of Endeavor Group Holdings, Inc. (the "Issuer") held by certain investment funds affiliated with Silver Lake Group, L.L.C. ("SLG"), whereby securities held directly by either Silver Lake West HoldCo, L.P. ("West HoldCo") or Silver Lake West HoldCo II, L.P. ("West HoldCo II", and together with West HoldCo, the "HoldCos") were transferred to Wildcat EGH Holdco, L.P. and Wildcat Opco, L.P. Silver Lake West VoteCo, L.L.C. is the general partner of each of the HoldCos, Wildcat EGH Holdco, L.P. and Wildcat Opco, L.P.

F2 · ownership.nature: Represents securities held by West HoldCo.

F6 · ownership.nature: Silver Lake West VoteCo, L.L.C. is the general partner of each of the HoldCos, Wildcat EGH Holdco, L.P. and Wildcat Opco, L.P. Mr. Durban is a director of the Issuer and is a Co-CEO and Managing Member of SLG. Each of the above may be deemed to be a director by deputization of the Issuer. There was no change in the aggregate amount of securities of the Issuer economically owned by SLG and its affiliates in connection with this reorganization.

SEC source: 0000950170-25-045648 · ownership.xml · nonDerivative · entry 3

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

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

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

Durban Egon · CIK 0001651403 · Director

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 92,149,763

F1 · kind: Immediately prior to the consummation of the Mergers (as defined below), in connection with an internal reorganization of securities of Endeavor Group Holdings, Inc. (the "Issuer") held by certain investment funds affiliated with Silver Lake Group, L.L.C. ("SLG"), whereby securities held directly by either Silver Lake West HoldCo, L.P. ("West HoldCo") or Silver Lake West HoldCo II, L.P. ("West HoldCo II", and together with West HoldCo, the "HoldCos") were transferred to Wildcat EGH Holdco, L.P. and Wildcat Opco, L.P. Silver Lake West VoteCo, L.L.C. is the general partner of each of the HoldCos, Wildcat EGH Holdco, L.P. and Wildcat Opco, L.P.

F1 · price: Immediately prior to the consummation of the Mergers (as defined below), in connection with an internal reorganization of securities of Endeavor Group Holdings, Inc. (the "Issuer") held by certain investment funds affiliated with Silver Lake Group, L.L.C. ("SLG"), whereby securities held directly by either Silver Lake West HoldCo, L.P. ("West HoldCo") or Silver Lake West HoldCo II, L.P. ("West HoldCo II", and together with West HoldCo, the "HoldCos") were transferred to Wildcat EGH Holdco, L.P. and Wildcat Opco, L.P. Silver Lake West VoteCo, L.L.C. is the general partner of each of the HoldCos, Wildcat EGH Holdco, L.P. and Wildcat Opco, L.P.

F4 · ownership.nature: Represents securities held by Wildcat EGH Holdco, L.P.

F6 · ownership.nature: Silver Lake West VoteCo, L.L.C. is the general partner of each of the HoldCos, Wildcat EGH Holdco, L.P. and Wildcat Opco, L.P. Mr. Durban is a director of the Issuer and is a Co-CEO and Managing Member of SLG. Each of the above may be deemed to be a director by deputization of the Issuer. There was no change in the aggregate amount of securities of the Issuer economically owned by SLG and its affiliates in connection with this reorganization.

SEC source: 0000950170-25-045648 · ownership.xml · nonDerivative · entry 2

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

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

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

Durban Egon · CIK 0001651403 · Director

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

F1 · kind: Immediately prior to the consummation of the Mergers (as defined below), in connection with an internal reorganization of securities of Endeavor Group Holdings, Inc. (the "Issuer") held by certain investment funds affiliated with Silver Lake Group, L.L.C. ("SLG"), whereby securities held directly by either Silver Lake West HoldCo, L.P. ("West HoldCo") or Silver Lake West HoldCo II, L.P. ("West HoldCo II", and together with West HoldCo, the "HoldCos") were transferred to Wildcat EGH Holdco, L.P. and Wildcat Opco, L.P. Silver Lake West VoteCo, L.L.C. is the general partner of each of the HoldCos, Wildcat EGH Holdco, L.P. and Wildcat Opco, L.P.

F12 · shares: Reflects an adjustment upon a reconciliation of the records.

F1 · price: Immediately prior to the consummation of the Mergers (as defined below), in connection with an internal reorganization of securities of Endeavor Group Holdings, Inc. (the "Issuer") held by certain investment funds affiliated with Silver Lake Group, L.L.C. ("SLG"), whereby securities held directly by either Silver Lake West HoldCo, L.P. ("West HoldCo") or Silver Lake West HoldCo II, L.P. ("West HoldCo II", and together with West HoldCo, the "HoldCos") were transferred to Wildcat EGH Holdco, L.P. and Wildcat Opco, L.P. Silver Lake West VoteCo, L.L.C. is the general partner of each of the HoldCos, Wildcat EGH Holdco, L.P. and Wildcat Opco, L.P.

F3 · ownership.nature: Represents securities held by West HoldCo II.

F6 · ownership.nature: Silver Lake West VoteCo, L.L.C. is the general partner of each of the HoldCos, Wildcat EGH Holdco, L.P. and Wildcat Opco, L.P. Mr. Durban is a director of the Issuer and is a Co-CEO and Managing Member of SLG. Each of the above may be deemed to be a director by deputization of the Issuer. There was no change in the aggregate amount of securities of the Issuer economically owned by SLG and its affiliates in connection with this reorganization.

SEC source: 0000950170-25-045648 · ownership.xml · nonDerivative · entry 1

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

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

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

Durban Egon · CIK 0001651403 · Director

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

F1 · kind: Immediately prior to the consummation of the Mergers (as defined below), in connection with an internal reorganization of securities of Endeavor Group Holdings, Inc. (the "Issuer") held by certain investment funds affiliated with Silver Lake Group, L.L.C. ("SLG"), whereby securities held directly by either Silver Lake West HoldCo, L.P. ("West HoldCo") or Silver Lake West HoldCo II, L.P. ("West HoldCo II", and together with West HoldCo, the "HoldCos") were transferred to Wildcat EGH Holdco, L.P. and Wildcat Opco, L.P. Silver Lake West VoteCo, L.L.C. is the general partner of each of the HoldCos, Wildcat EGH Holdco, L.P. and Wildcat Opco, L.P.

F1 · price: Immediately prior to the consummation of the Mergers (as defined below), in connection with an internal reorganization of securities of Endeavor Group Holdings, Inc. (the "Issuer") held by certain investment funds affiliated with Silver Lake Group, L.L.C. ("SLG"), whereby securities held directly by either Silver Lake West HoldCo, L.P. ("West HoldCo") or Silver Lake West HoldCo II, L.P. ("West HoldCo II", and together with West HoldCo, the "HoldCos") were transferred to Wildcat EGH Holdco, L.P. and Wildcat Opco, L.P. Silver Lake West VoteCo, L.L.C. is the general partner of each of the HoldCos, Wildcat EGH Holdco, L.P. and Wildcat Opco, L.P.

F2 · ownership.nature: Represents securities held by West HoldCo.

F6 · ownership.nature: Silver Lake West VoteCo, L.L.C. is the general partner of each of the HoldCos, Wildcat EGH Holdco, L.P. and Wildcat Opco, L.P. Mr. Durban is a director of the Issuer and is a Co-CEO and Managing Member of SLG. Each of the above may be deemed to be a director by deputization of the Issuer. There was no change in the aggregate amount of securities of the Issuer economically owned by SLG and its affiliates in connection with this reorganization.

SEC source: 0000950170-25-030314 · ownership.xml · derivative · 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: No plan indicated

Ownership: Indirect · By IMG Worldwide, LLC

Disclosed balance after: 24,386,536

Underlying: Class A Common Stock · 24,386,536 shares

Expires not disclosed

F4 · security: Represents membership interests in TKO Operating Company, LLC (the "Common Units").

F5 · derivative.exercise_price: The Common Units are redeemable by the holders for, at the election of the Issuer, (i) newly-issued shares of Class A common stock of the Issuer on a one-for-one basis, subject to appropriate and equitable adjustment for any stock splits, reverse splits, stock dividends or similar events, and (ii) subject to certain conditions, an equivalent amount of cash. Upon the redemption of any Common Units, a number of shares of Class B common stock equal to the number of Common Units that are redeemed will be cancelled by the Issuer for no consideration.

F1 · kind: Represents securities received in exchange for the transfer by Endeavor Operating Company, LLC ("EOC") and IMG Worldwide, LLC ("IMG Worldwide") of certain assets to the Issuer and TKO Operating Company, LLC pursuant to the terms of that certain Transaction Agreement, dated as of October 23, 2024, as amended, by and among EOC, Endeavor Group Holdings, Inc. ("EGH"), Trans World International, LLC, the Issuer and TKO Operating Company, LLC.

F1 · price: Represents securities received in exchange for the transfer by Endeavor Operating Company, LLC ("EOC") and IMG Worldwide, LLC ("IMG Worldwide") of certain assets to the Issuer and TKO Operating Company, LLC pursuant to the terms of that certain Transaction Agreement, dated as of October 23, 2024, as amended, by and among EOC, Endeavor Group Holdings, Inc. ("EGH"), Trans World International, LLC, the Issuer and TKO Operating Company, LLC.

F5 · derivative.exercise_date: The Common Units are redeemable by the holders for, at the election of the Issuer, (i) newly-issued shares of Class A common stock of the Issuer on a one-for-one basis, subject to appropriate and equitable adjustment for any stock splits, reverse splits, stock dividends or similar events, and (ii) subject to certain conditions, an equivalent amount of cash. Upon the redemption of any Common Units, a number of shares of Class B common stock equal to the number of Common Units that are redeemed will be cancelled by the Issuer for no consideration.

F5 · derivative.expiration_date: The Common Units are redeemable by the holders for, at the election of the Issuer, (i) newly-issued shares of Class A common stock of the Issuer on a one-for-one basis, subject to appropriate and equitable adjustment for any stock splits, reverse splits, stock dividends or similar events, and (ii) subject to certain conditions, an equivalent amount of cash. Upon the redemption of any Common Units, a number of shares of Class B common stock equal to the number of Common Units that are redeemed will be cancelled by the Issuer for no consideration.

F3 · ownership.nature: 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. IMG Worldwide LLC is an indirect wholly owned subsidiary of EGH. 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. 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: 0000950170-25-030314 · ownership.xml · derivative · 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: No plan indicated

Ownership: Indirect · By Endeavor Operating Company, LLC

Disclosed balance after: 2,155,188

Underlying: Class A Common Stock · 2,155,188 shares

Expires not disclosed

F4 · security: Represents membership interests in TKO Operating Company, LLC (the "Common Units").

F5 · derivative.exercise_price: The Common Units are redeemable by the holders for, at the election of the Issuer, (i) newly-issued shares of Class A common stock of the Issuer on a one-for-one basis, subject to appropriate and equitable adjustment for any stock splits, reverse splits, stock dividends or similar events, and (ii) subject to certain conditions, an equivalent amount of cash. Upon the redemption of any Common Units, a number of shares of Class B common stock equal to the number of Common Units that are redeemed will be cancelled by the Issuer for no consideration.

F1 · kind: Represents securities received in exchange for the transfer by Endeavor Operating Company, LLC ("EOC") and IMG Worldwide, LLC ("IMG Worldwide") of certain assets to the Issuer and TKO Operating Company, LLC pursuant to the terms of that certain Transaction Agreement, dated as of October 23, 2024, as amended, by and among EOC, Endeavor Group Holdings, Inc. ("EGH"), Trans World International, LLC, the Issuer and TKO Operating Company, LLC.

F1 · price: Represents securities received in exchange for the transfer by Endeavor Operating Company, LLC ("EOC") and IMG Worldwide, LLC ("IMG Worldwide") of certain assets to the Issuer and TKO Operating Company, LLC pursuant to the terms of that certain Transaction Agreement, dated as of October 23, 2024, as amended, by and among EOC, Endeavor Group Holdings, Inc. ("EGH"), Trans World International, LLC, the Issuer and TKO Operating Company, LLC.

F5 · derivative.exercise_date: The Common Units are redeemable by the holders for, at the election of the Issuer, (i) newly-issued shares of Class A common stock of the Issuer on a one-for-one basis, subject to appropriate and equitable adjustment for any stock splits, reverse splits, stock dividends or similar events, and (ii) subject to certain conditions, an equivalent amount of cash. Upon the redemption of any Common Units, a number of shares of Class B common stock equal to the number of Common Units that are redeemed will be cancelled by the Issuer for no consideration.

F5 · derivative.expiration_date: The Common Units are redeemable by the holders for, at the election of the Issuer, (i) newly-issued shares of Class A common stock of the Issuer on a one-for-one basis, subject to appropriate and equitable adjustment for any stock splits, reverse splits, stock dividends or similar events, and (ii) subject to certain conditions, an equivalent amount of cash. Upon the redemption of any Common Units, a number of shares of Class B common stock equal to the number of Common Units that are redeemed will be cancelled by the Issuer for no consideration.

F6 · balance_after: Reflects a transfer of 76,712,059 Common Units that was exempt from reporting.

F3 · ownership.nature: 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. IMG Worldwide LLC is an indirect wholly owned subsidiary of EGH. 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. 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: 0000950170-25-030314 · 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: No plan indicated

Ownership: Indirect · By IMG Worldwide, LLC

Disclosed balance after: 24,386,536

F1 · kind: Represents securities received in exchange for the transfer by Endeavor Operating Company, LLC ("EOC") and IMG Worldwide, LLC ("IMG Worldwide") of certain assets to the Issuer and TKO Operating Company, LLC pursuant to the terms of that certain Transaction Agreement, dated as of October 23, 2024, as amended, by and among EOC, Endeavor Group Holdings, Inc. ("EGH"), Trans World International, LLC, the Issuer and TKO Operating Company, LLC.

F1 · price: Represents securities received in exchange for the transfer by Endeavor Operating Company, LLC ("EOC") and IMG Worldwide, LLC ("IMG Worldwide") of certain assets to the Issuer and TKO Operating Company, LLC pursuant to the terms of that certain Transaction Agreement, dated as of October 23, 2024, as amended, by and among EOC, Endeavor Group Holdings, Inc. ("EGH"), Trans World International, LLC, the Issuer and TKO Operating Company, LLC.

F3 · ownership.nature: 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. IMG Worldwide LLC is an indirect wholly owned subsidiary of EGH. 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. 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: 0000950170-25-030314 · 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: No plan indicated

Ownership: Indirect · By Endeavor Operating Company, LLC

Disclosed balance after: 2,155,188

F1 · kind: Represents securities received in exchange for the transfer by Endeavor Operating Company, LLC ("EOC") and IMG Worldwide, LLC ("IMG Worldwide") of certain assets to the Issuer and TKO Operating Company, LLC pursuant to the terms of that certain Transaction Agreement, dated as of October 23, 2024, as amended, by and among EOC, Endeavor Group Holdings, Inc. ("EGH"), Trans World International, LLC, the Issuer and TKO Operating Company, LLC.

F1 · price: Represents securities received in exchange for the transfer by Endeavor Operating Company, LLC ("EOC") and IMG Worldwide, LLC ("IMG Worldwide") of certain assets to the Issuer and TKO Operating Company, LLC pursuant to the terms of that certain Transaction Agreement, dated as of October 23, 2024, as amended, by and among EOC, Endeavor Group Holdings, Inc. ("EGH"), Trans World International, LLC, the Issuer and TKO Operating Company, LLC.

F2 · balance_after: Reflects a transfer of 76,712,059 shares of Class B common stock that was exempt from reporting.

F3 · ownership.nature: 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. IMG Worldwide LLC is an indirect wholly owned subsidiary of EGH. 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. 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: 0000950170-25-019272 · ownership.xml · nonDerivative · entry 21

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: 2,579,437

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.

F24 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $177.08 to $177.90, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

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

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

SEC source: 0000950170-25-019272 · ownership.xml · nonDerivative · entry 20

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: 2,574,130

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.

F23 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $176.08 to $177.02, 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: 0000950170-25-019272 · ownership.xml · nonDerivative · entry 19

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: 2,559,952

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.

F22 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $175.08 to $176.05, 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: 0000950170-25-019272 · ownership.xml · nonDerivative · entry 18

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: 2,499,683

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.

F21 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $174.08 to $175.07, 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: 0000950170-25-019272 · ownership.xml · nonDerivative · entry 17

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: 2,462,576

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.

F20 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $173.04 to $173.69, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

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

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

SEC source: 0000950170-25-019272 · ownership.xml · nonDerivative · entry 16

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: 2,462,076

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.

F19 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $171.86 to $172.59, 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: 0000950170-25-019272 · ownership.xml · nonDerivative · entry 15

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: 2,461,668

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.

F18 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $177.18 to $178.08, 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: 0000950170-25-019272 · ownership.xml · nonDerivative · entry 14

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

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

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

Durban Egon · CIK 0001651403 · Director · 10% owner

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

10b5-1 filing: Plan reported

Ownership: Indirect · By Endeavor Operating Company, LLC

Disclosed balance after: 2,453,738

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

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

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

F17 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $176.17 to $177.16, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

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

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

SEC source: 0000950170-25-019272 · 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: 2,431,194

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 $175.17 to $176.16, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

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

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

SEC source: 0000950170-25-019272 · 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: 2,347,035

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 $174.17 to $175.16, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

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

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

SEC source: 0000950170-25-019272 · 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: 2,323,102

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 $173.17 to $174.16, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

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

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

SEC source: 0000950170-25-019272 · 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: 2,309,073

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 $172.13 to $173.12, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

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

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

SEC source: 0000950170-25-019272 · 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: 2,307,372

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.

F12 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $171.10 to $172.09, 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: 0000950170-25-019272 · 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: 2,305,222

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 $173.72 to $174.39, 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: 0000950170-25-019272 · 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: 2,286,048

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 $172.72 to $173.71, 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: 0000950170-25-019272 · 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: 2,248,995

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 $171.72 to $172.70, 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: 0000950170-25-019272 · 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: 2,226,618

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 $170.72 to $171.71, 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: 0000950170-25-019272 · 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: 2,217,820

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 $169.72 to $170.71, 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: 0000950170-25-019272 · 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: 2,207,496

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

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

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

F6 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $168.72 to $169.71, 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: 0000950170-25-019272 · 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: 2,196,739

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 $167.71 to $168.70, 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: 0000950170-25-019272 · 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: 2,192,817

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 $166.63 to $167.62 inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

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

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

SEC source: 0000950170-25-016600 · ownership.xml · nonDerivative · entry 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: 2,188,966

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 $167.54 to $168.10, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

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

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

SEC source: 0000950170-25-016600 · 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: 2,187,704

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 $166.52 to $167.51, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

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

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

SEC source: 0000950170-25-016600 · ownership.xml · nonDerivative · entry 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: 2,107,642

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 $165.52 to $166.51, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

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

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

SEC source: 0000950170-25-016600 · ownership.xml · nonDerivative · entry 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: 2,075,227

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 $164.52 to $165.51, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

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

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

SEC source: 0000950170-25-016600 · ownership.xml · nonDerivative · entry 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: 2,028,855

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 $163.52 to $164.51, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

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

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

SEC source: 0000950170-25-016600 · ownership.xml · nonDerivative · entry 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: 2,011,705

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 $162.46 to $163.16, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

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

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

SEC source: 0000950170-25-016600 · 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: 2,011,105

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 $160.82 to $161.46, 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: 0000950170-25-016600 · 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: 1,983,792

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 $159.82 to $160.81, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

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

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

SEC source: 0000950170-25-016600 · ownership.xml · nonDerivative · entry 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: 1,938,135

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 $160.50 to $160.87, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

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

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

SEC source: 0000950170-25-016600 · ownership.xml · nonDerivative · entry 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: 1,929,599

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 $19.50 to $160.49, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

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

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

SEC source: 0000950170-25-016600 · ownership.xml · nonDerivative · entry 2

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

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

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

Durban Egon · CIK 0001651403 · Director · 10% owner

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

10b5-1 filing: Plan reported

Ownership: Indirect · By Endeavor Operating Company, LLC

Disclosed balance after: 1,885,796

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

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

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

F5 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $158.50 to $159.48, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

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

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