SEAT

Registration Rights Agreement & Stockholders' Agreement On October 19, 2025, the Issuer entered into a Corporate Simplification Agreement (the "CSA") with Hoya Intermediate, LLC, GTCR Management XI LLC, Hoya Topco, LLC ("Hoya Topco") and each other party thereto. The parties to the CSA agreed to undertake certain actions to simplify the Issuer's corporate structure, including executing a series of transactions to facilitate the dissolution and winding up of Hoya Topco and certain of its affiliates. As part of these actions, Hoya Topco distributed its Class A Common Stock to the Reporting Persons on October 31, 2025. Additionally, as part of the CSA, the rights and obligations of Hoya Topco pursuant to the Amended and Restated Registration Rights Agreement, dated October 18, 2021, among Vivid Seats Inc., Hoya Topco, LLC, and Horizon Sponsor, LLC (the "Registration Rights Agreement") and the Stockholders' Agreement, dated October 18, 2021, among Vivid Seats Inc., Hoya Topco, LLC, and Horizon Sponsor, LLC (the "Stockholders' Agreement") were assigned and assumed by the Reporting Persons. The foregoing descriptions of the Registration Rights Agreement and Stockholders' Agreement do not purport to be complete and are qualified in their entirety by reference to the full text of such agreement, each of which is attached as an exhibit to this Schedule 13D and incorporated herein by reference. General The Reporting Persons acquired the securities described in this Schedule 13D for investment purposes and intend to review their investments in the Issuer on a continuing basis. Any actions the Reporting Persons might undertake may be made at any time and from time to time without prior notice and will be dependent upon the Reporting Persons' review of numerous factors, including, but not limited to: an ongoing evaluation of the Issuer's business, financial condition, operations and prospects; price levels of the Issuer's securities; general market, industry and economic conditions; the relative attractiveness of alternative business and investment opportunities; and other future developments. The Reporting Persons may acquire additional securities of the Issuer, or retain or sell all or a portion of the securities then held, in the open market or in privately negotiated transactions. In addition, the Reporting Persons may engage in discussions with management, the Board, and securityholders of the Issuer and other relevant parties or encourage, cause or seek to cause the Issuer or such persons to consider or explore extraordinary corporate transactions, such as: a merger, reorganization or take-private transaction that could result in the de-listing or de-registration of the Class A Common Stock; sales or acquisitions of assets or businesses; changes to the capitalization or dividend policy of the Issuer; or other material changes to the Issuer's business or corporate structure, including changes in management or the composition of the Board. To facilitate their consideration of such matters, the Reporting Persons may retain consultants and advisors and may enter into discussions with potential sources of capital and other third parties. The Reporting Persons may exchange information with any such persons pursuant to appropriate confidentiality or similar agreements. The Reporting Persons will likely take some or all of the foregoing steps at preliminary stages in their consideration of various possible courses of action before forming any intention to pursue any particular plan or direction. Other than as described above, the Reporting Persons do not currently have any plans or proposals that relate to, or would result in, any of the matters listed in Items 4(a)-(j) of Schedule 13D, although, depending on the factors discussed herein, the Reporting Persons may change their purpose or formulate different plans or proposals with respect thereto at any time.

Registration Rights Agreement & Stockholders' Agreement On October 19, 2025, the Issuer entered into a Corporate Simplification Agreement (the "CSA") with Hoya Intermediate, LLC, GTCR Management XI LLC, Hoya Topco, LLC ("Hoya Topco") and each other party thereto. The parties to the CSA agreed to undertake certain actions to simplify the Issuer's corporate structure, including executing a series of transactions to facilitate the dissolution and winding up of Hoya Topco and certain of its affiliates. As part of these actions, Hoya Topco distributed its Class A Common Stock to the Reporting Persons on October 31, 2025. Additionally, as part of the CSA, the rights and obligations of Hoya Topco pursuant to the Amended and Restated Registration Rights Agreement, dated October 18, 2021, among Vivid Seats Inc., Hoya Topco, LLC, and Horizon Sponsor, LLC (the "Registration Rights Agreement") and the Stockholders' Agreement, dated October 18, 2021, among Vivid Seats Inc., Hoya Topco, LLC, and Horizon Sponsor, LLC (the "Stockholders' Agreement") were assigned and assumed by the Reporting Persons. The foregoing descriptions of the Registration Rights Agreement and Stockholders' Agreement do not purport to be complete and are qualified in their entirety by reference to the full text of such agreement, each of which is attached as an exhibit to this Schedule 13D and incorporated herein by reference. General The Reporting Persons acquired the securities described in this Schedule 13D for investment purposes and intend to review their investments in the Issuer on a continuing basis. Any actions the Reporting Persons might undertake may be made at any time and from time to time without prior notice and will be dependent upon the Reporting Persons' review of numerous factors, including, but not limited to: an ongoing evaluation of the Issuer's business, financial condition, operations and prospects; price levels of the Issuer's securities; general market, industry and economic conditions; the relative attractiveness of alternative business and investment opportunities; and other future developments. The Reporting Persons may acquire additional securities of the Issuer, or retain or sell all or a portion of the securities then held, in the open market or in privately negotiated transactions. In addition, the Reporting Persons may engage in discussions with management, the Board, and securityholders of the Issuer and other relevant parties or encourage, cause or seek to cause the Issuer or such persons to consider or explore extraordinary corporate transactions, such as: a merger, reorganization or take-private transaction that could result in the de-listing or de-registration of the Class A Common Stock; sales or acquisitions of assets or businesses; changes to the capitalization or dividend policy of the Issuer; or other material changes to the Issuer's business or corporate structure, including changes in management or the composition of the Board. To facilitate their consideration of such matters, the Reporting Persons may retain consultants and advisors and may enter into discussions with potential sources of capital and other third parties. The Reporting Persons may exchange information with any such persons pursuant to appropriate confidentiality or similar agreements. The Reporting Persons will likely take some or all of the foregoing steps at preliminary stages in their consideration of various possible courses of action before forming any intention to pursue any particular plan or direction. Other than as described above, the Reporting Persons do not currently have any plans or proposals that relate to, or would result in, any of the matters listed in Items 4(a)-(j) of Schedule 13D, although, depending on the factors discussed herein, the Reporting Persons may change their purpose or formulate different plans or proposals with respect thereto at any time.

Registration Rights Agreement & Stockholders' Agreement On October 19, 2025, the Issuer entered into a Corporate Simplification Agreement (the "CSA") with Hoya Intermediate, LLC, GTCR Management XI LLC, Hoya Topco, LLC ("Hoya Topco") and each other party thereto. The parties to the CSA agreed to undertake certain actions to simplify the Issuer's corporate structure, including executing a series of transactions to facilitate the dissolution and winding up of Hoya Topco and certain of its affiliates. As part of these actions, Hoya Topco distributed its Class A Common Stock to the Reporting Persons on October 31, 2025. Additionally, as part of the CSA, the rights and obligations of Hoya Topco pursuant to the Amended and Restated Registration Rights Agreement, dated October 18, 2021, among Vivid Seats Inc., Hoya Topco, LLC, and Horizon Sponsor, LLC (the "Registration Rights Agreement") and the Stockholders' Agreement, dated October 18, 2021, among Vivid Seats Inc., Hoya Topco, LLC, and Horizon Sponsor, LLC (the "Stockholders' Agreement") were assigned and assumed by the Reporting Persons. The foregoing descriptions of the Registration Rights Agreement and Stockholders' Agreement do not purport to be complete and are qualified in their entirety by reference to the full text of such agreement, each of which is attached as an exhibit to this Schedule 13D and incorporated herein by reference. General The Reporting Persons acquired the securities described in this Schedule 13D for investment purposes and intend to review their investments in the Issuer on a continuing basis. Any actions the Reporting Persons might undertake may be made at any time and from time to time without prior notice and will be dependent upon the Reporting Persons' review of numerous factors, including, but not limited to: an ongoing evaluation of the Issuer's business, financial condition, operations and prospects; price levels of the Issuer's securities; general market, industry and economic conditions; the relative attractiveness of alternative business and investment opportunities; and other future developments. The Reporting Persons may acquire additional securities of the Issuer, or retain or sell all or a portion of the securities then held, in the open market or in privately negotiated transactions. In addition, the Reporting Persons may engage in discussions with management, the Board, and securityholders of the Issuer and other relevant parties or encourage, cause or seek to cause the Issuer or such persons to consider or explore extraordinary corporate transactions, such as: a merger, reorganization or take-private transaction that could result in the de-listing or de-registration of the Class A Common Stock; sales or acquisitions of assets or businesses; changes to the capitalization or dividend policy of the Issuer; or other material changes to the Issuer's business or corporate structure, including changes in management or the composition of the Board. To facilitate their consideration of such matters, the Reporting Persons may retain consultants and advisors and may enter into discussions with potential sources of capital and other third parties. The Reporting Persons may exchange information with any such persons pursuant to appropriate confidentiality or similar agreements. The Reporting Persons will likely take some or all of the foregoing steps at preliminary stages in their consideration of various possible courses of action before forming any intention to pursue any particular plan or direction. Other than as described above, the Reporting Persons do not currently have any plans or proposals that relate to, or would result in, any of the matters listed in Items 4(a)-(j) of Schedule 13D, although, depending on the factors discussed herein, the Reporting Persons may change their purpose or formulate different plans or proposals with respect thereto at any time.

Registration Rights Agreement & Stockholders' Agreement On October 19, 2025, the Issuer entered into a Corporate Simplification Agreement (the "CSA") with Hoya Intermediate, LLC, GTCR Management XI LLC, Hoya Topco, LLC ("Hoya Topco") and each other party thereto. The parties to the CSA agreed to undertake certain actions to simplify the Issuer's corporate structure, including executing a series of transactions to facilitate the dissolution and winding up of Hoya Topco and certain of its affiliates. As part of these actions, Hoya Topco distributed its Class A Common Stock to the Reporting Persons on October 31, 2025. Additionally, as part of the CSA, the rights and obligations of Hoya Topco pursuant to the Amended and Restated Registration Rights Agreement, dated October 18, 2021, among Vivid Seats Inc., Hoya Topco, LLC, and Horizon Sponsor, LLC (the "Registration Rights Agreement") and the Stockholders' Agreement, dated October 18, 2021, among Vivid Seats Inc., Hoya Topco, LLC, and Horizon Sponsor, LLC (the "Stockholders' Agreement") were assigned and assumed by the Reporting Persons. The foregoing descriptions of the Registration Rights Agreement and Stockholders' Agreement do not purport to be complete and are qualified in their entirety by reference to the full text of such agreement, each of which is attached as an exhibit to this Schedule 13D and incorporated herein by reference. General The Reporting Persons acquired the securities described in this Schedule 13D for investment purposes and intend to review their investments in the Issuer on a continuing basis. Any actions the Reporting Persons might undertake may be made at any time and from time to time without prior notice and will be dependent upon the Reporting Persons' review of numerous factors, including, but not limited to: an ongoing evaluation of the Issuer's business, financial condition, operations and prospects; price levels of the Issuer's securities; general market, industry and economic conditions; the relative attractiveness of alternative business and investment opportunities; and other future developments. The Reporting Persons may acquire additional securities of the Issuer, or retain or sell all or a portion of the securities then held, in the open market or in privately negotiated transactions. In addition, the Reporting Persons may engage in discussions with management, the Board, and securityholders of the Issuer and other relevant parties or encourage, cause or seek to cause the Issuer or such persons to consider or explore extraordinary corporate transactions, such as: a merger, reorganization or take-private transaction that could result in the de-listing or de-registration of the Class A Common Stock; sales or acquisitions of assets or businesses; changes to the capitalization or dividend policy of the Issuer; or other material changes to the Issuer's business or corporate structure, including changes in management or the composition of the Board. To facilitate their consideration of such matters, the Reporting Persons may retain consultants and advisors and may enter into discussions with potential sources of capital and other third parties. The Reporting Persons may exchange information with any such persons pursuant to appropriate confidentiality or similar agreements. The Reporting Persons will likely take some or all of the foregoing steps at preliminary stages in their consideration of various possible courses of action before forming any intention to pursue any particular plan or direction. Other than as described above, the Reporting Persons do not currently have any plans or proposals that relate to, or would result in, any of the matters listed in Items 4(a)-(j) of Schedule 13D, although, depending on the factors discussed herein, the Reporting Persons may change their purpose or formulate different plans or proposals with respect thereto at any time.

Registration Rights Agreement & Stockholders' Agreement On October 19, 2025, the Issuer entered into a Corporate Simplification Agreement (the "CSA") with Hoya Intermediate, LLC, GTCR Management XI LLC, Hoya Topco, LLC ("Hoya Topco") and each other party thereto. The parties to the CSA agreed to undertake certain actions to simplify the Issuer's corporate structure, including executing a series of transactions to facilitate the dissolution and winding up of Hoya Topco and certain of its affiliates. As part of these actions, Hoya Topco distributed its Class A Common Stock to the Reporting Persons on October 31, 2025. Additionally, as part of the CSA, the rights and obligations of Hoya Topco pursuant to the Amended and Restated Registration Rights Agreement, dated October 18, 2021, among Vivid Seats Inc., Hoya Topco, LLC, and Horizon Sponsor, LLC (the "Registration Rights Agreement") and the Stockholders' Agreement, dated October 18, 2021, among Vivid Seats Inc., Hoya Topco, LLC, and Horizon Sponsor, LLC (the "Stockholders' Agreement") were assigned and assumed by the Reporting Persons. The foregoing descriptions of the Registration Rights Agreement and Stockholders' Agreement do not purport to be complete and are qualified in their entirety by reference to the full text of such agreement, each of which is attached as an exhibit to this Schedule 13D and incorporated herein by reference. General The Reporting Persons acquired the securities described in this Schedule 13D for investment purposes and intend to review their investments in the Issuer on a continuing basis. Any actions the Reporting Persons might undertake may be made at any time and from time to time without prior notice and will be dependent upon the Reporting Persons' review of numerous factors, including, but not limited to: an ongoing evaluation of the Issuer's business, financial condition, operations and prospects; price levels of the Issuer's securities; general market, industry and economic conditions; the relative attractiveness of alternative business and investment opportunities; and other future developments. The Reporting Persons may acquire additional securities of the Issuer, or retain or sell all or a portion of the securities then held, in the open market or in privately negotiated transactions. In addition, the Reporting Persons may engage in discussions with management, the Board, and securityholders of the Issuer and other relevant parties or encourage, cause or seek to cause the Issuer or such persons to consider or explore extraordinary corporate transactions, such as: a merger, reorganization or take-private transaction that could result in the de-listing or de-registration of the Class A Common Stock; sales or acquisitions of assets or businesses; changes to the capitalization or dividend policy of the Issuer; or other material changes to the Issuer's business or corporate structure, including changes in management or the composition of the Board. To facilitate their consideration of such matters, the Reporting Persons may retain consultants and advisors and may enter into discussions with potential sources of capital and other third parties. The Reporting Persons may exchange information with any such persons pursuant to appropriate confidentiality or similar agreements. The Reporting Persons will likely take some or all of the foregoing steps at preliminary stages in their consideration of various possible courses of action before forming any intention to pursue any particular plan or direction. Other than as described above, the Reporting Persons do not currently have any plans or proposals that relate to, or would result in, any of the matters listed in Items 4(a)-(j) of Schedule 13D, although, depending on the factors discussed herein, the Reporting Persons may change their purpose or formulate different plans or proposals with respect thereto at any time.

Registration Rights Agreement & Stockholders' Agreement On October 19, 2025, the Issuer entered into a Corporate Simplification Agreement (the "CSA") with Hoya Intermediate, LLC, GTCR Management XI LLC, Hoya Topco, LLC ("Hoya Topco") and each other party thereto. The parties to the CSA agreed to undertake certain actions to simplify the Issuer's corporate structure, including executing a series of transactions to facilitate the dissolution and winding up of Hoya Topco and certain of its affiliates. As part of these actions, Hoya Topco distributed its Class A Common Stock to the Reporting Persons on October 31, 2025. Additionally, as part of the CSA, the rights and obligations of Hoya Topco pursuant to the Amended and Restated Registration Rights Agreement, dated October 18, 2021, among Vivid Seats Inc., Hoya Topco, LLC, and Horizon Sponsor, LLC (the "Registration Rights Agreement") and the Stockholders' Agreement, dated October 18, 2021, among Vivid Seats Inc., Hoya Topco, LLC, and Horizon Sponsor, LLC (the "Stockholders' Agreement") were assigned and assumed by the Reporting Persons. The foregoing descriptions of the Registration Rights Agreement and Stockholders' Agreement do not purport to be complete and are qualified in their entirety by reference to the full text of such agreement, each of which is attached as an exhibit to this Schedule 13D and incorporated herein by reference. General The Reporting Persons acquired the securities described in this Schedule 13D for investment purposes and intend to review their investments in the Issuer on a continuing basis. Any actions the Reporting Persons might undertake may be made at any time and from time to time without prior notice and will be dependent upon the Reporting Persons' review of numerous factors, including, but not limited to: an ongoing evaluation of the Issuer's business, financial condition, operations and prospects; price levels of the Issuer's securities; general market, industry and economic conditions; the relative attractiveness of alternative business and investment opportunities; and other future developments. The Reporting Persons may acquire additional securities of the Issuer, or retain or sell all or a portion of the securities then held, in the open market or in privately negotiated transactions. In addition, the Reporting Persons may engage in discussions with management, the Board, and securityholders of the Issuer and other relevant parties or encourage, cause or seek to cause the Issuer or such persons to consider or explore extraordinary corporate transactions, such as: a merger, reorganization or take-private transaction that could result in the de-listing or de-registration of the Class A Common Stock; sales or acquisitions of assets or businesses; changes to the capitalization or dividend policy of the Issuer; or other material changes to the Issuer's business or corporate structure, including changes in management or the composition of the Board. To facilitate their consideration of such matters, the Reporting Persons may retain consultants and advisors and may enter into discussions with potential sources of capital and other third parties. The Reporting Persons may exchange information with any such persons pursuant to appropriate confidentiality or similar agreements. The Reporting Persons will likely take some or all of the foregoing steps at preliminary stages in their consideration of various possible courses of action before forming any intention to pursue any particular plan or direction. Other than as described above, the Reporting Persons do not currently have any plans or proposals that relate to, or would result in, any of the matters listed in Items 4(a)-(j) of Schedule 13D, although, depending on the factors discussed herein, the Reporting Persons may change their purpose or formulate different plans or proposals with respect thereto at any time.