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The text under each heading listed below of Item 4 of the Schedule 13D is hereby supplemented and amended by the following: Second Amended and Restated Stockholders Agreement: On January 19, 2026, Elyse Foulger replaced Michelle Marriott Darmody as an Original Voting Stockholder Nominee under the Stockholders Agreement. Family Corp Pledged Shares: As of the date of this Amendment No. 10, of the shares of Class A Common Stock beneficially owned by Family Corp, 5,659,641 shares are currently pledged as collateral. Other Pledged Shares: As of the date of this Amendment No. 10, of the shares of Class A Common Stock held directly by J.W. Marriott, Jr., 2,559,896 shares have been pledged as collateral. As of the date of this Amendment No. 10, of the shares of Class A Common Stock held directly by Juliana B. Marriott, 14,101 shares have been pledged as collateral. As of the date of this Amendment No. 10, of the shares of Class A Common Stock held directly by Elyse Foulger, 57,767 shares have been pledged as collateral. As of the date of this Amendment No. 10, of the shares of Class A Common Stock held directly by Jennifer R. Jackson, 11,661 shares have been pledged as collateral. As of the date of this Amendment No. 10, of the shares of Class A Common Stock held directly by Christopher T. Harrison, 100,020 shares have been pledged as collateral. As of the date of this Amendment No. 10, of the shares of Class A Common Stock beneficially owned by David Sheets Marriott, 218,777 shares have been pledged as collateral. Other: On January 13, 2026, Michelle Marriott Darmody deposited 3,150 shares of Class A Common Stock into escrow in connection with a pending contribution to an exchange fund, which has not yet closed. Michelle Marriott Darmody retains voting and dispositive power over such shares pending release from escrow. On January 15, 2026, David Sheets Marriott and Deborah Marriott Harrison became co-trustees of a trust for the benefit of the estate of their deceased mother. As a result, each of David Sheets Marriott and Deborah Marriott Harrison may be deemed to beneficially own the 285,883 shares of Class A Common Stock held by the trust. The attribution of such shares to each of David Sheets Marriott and Deborah Marriott Harrison, together with the shares previously beneficially owned by him or her, resulted in a change of his or her beneficial ownership of 1% or more of the Class A Common Stock.

The text under each heading listed below of Item 4 of the Schedule 13D is hereby supplemented and amended by the following: Second Amended and Restated Stockholders Agreement: On January 19, 2026, Elyse Foulger replaced Michelle Marriott Darmody as an Original Voting Stockholder Nominee under the Stockholders Agreement. Family Corp Pledged Shares: As of the date of this Amendment No. 10, of the shares of Class A Common Stock beneficially owned by Family Corp, 5,659,641 shares are currently pledged as collateral. Other Pledged Shares: As of the date of this Amendment No. 10, of the shares of Class A Common Stock held directly by J.W. Marriott, Jr., 2,559,896 shares have been pledged as collateral. As of the date of this Amendment No. 10, of the shares of Class A Common Stock held directly by Juliana B. Marriott, 14,101 shares have been pledged as collateral. As of the date of this Amendment No. 10, of the shares of Class A Common Stock held directly by Elyse Foulger, 57,767 shares have been pledged as collateral. As of the date of this Amendment No. 10, of the shares of Class A Common Stock held directly by Jennifer R. Jackson, 11,661 shares have been pledged as collateral. As of the date of this Amendment No. 10, of the shares of Class A Common Stock held directly by Christopher T. Harrison, 100,020 shares have been pledged as collateral. As of the date of this Amendment No. 10, of the shares of Class A Common Stock beneficially owned by David Sheets Marriott, 218,777 shares have been pledged as collateral. Other: On January 13, 2026, Michelle Marriott Darmody deposited 3,150 shares of Class A Common Stock into escrow in connection with a pending contribution to an exchange fund, which has not yet closed. Michelle Marriott Darmody retains voting and dispositive power over such shares pending release from escrow. On January 15, 2026, David Sheets Marriott and Deborah Marriott Harrison became co-trustees of a trust for the benefit of the estate of their deceased mother. As a result, each of David Sheets Marriott and Deborah Marriott Harrison may be deemed to beneficially own the 285,883 shares of Class A Common Stock held by the trust. The attribution of such shares to each of David Sheets Marriott and Deborah Marriott Harrison, together with the shares previously beneficially owned by him or her, resulted in a change of his or her beneficial ownership of 1% or more of the Class A Common Stock.

The text under each heading listed below of Item 4 of the Schedule 13D is hereby supplemented and amended by the following: Second Amended and Restated Stockholders Agreement: On January 19, 2026, Elyse Foulger replaced Michelle Marriott Darmody as an Original Voting Stockholder Nominee under the Stockholders Agreement. Family Corp Pledged Shares: As of the date of this Amendment No. 10, of the shares of Class A Common Stock beneficially owned by Family Corp, 5,659,641 shares are currently pledged as collateral. Other Pledged Shares: As of the date of this Amendment No. 10, of the shares of Class A Common Stock held directly by J.W. Marriott, Jr., 2,559,896 shares have been pledged as collateral. As of the date of this Amendment No. 10, of the shares of Class A Common Stock held directly by Juliana B. Marriott, 14,101 shares have been pledged as collateral. As of the date of this Amendment No. 10, of the shares of Class A Common Stock held directly by Elyse Foulger, 57,767 shares have been pledged as collateral. As of the date of this Amendment No. 10, of the shares of Class A Common Stock held directly by Jennifer R. Jackson, 11,661 shares have been pledged as collateral. As of the date of this Amendment No. 10, of the shares of Class A Common Stock held directly by Christopher T. Harrison, 100,020 shares have been pledged as collateral. As of the date of this Amendment No. 10, of the shares of Class A Common Stock beneficially owned by David Sheets Marriott, 218,777 shares have been pledged as collateral. Other: On January 13, 2026, Michelle Marriott Darmody deposited 3,150 shares of Class A Common Stock into escrow in connection with a pending contribution to an exchange fund, which has not yet closed. Michelle Marriott Darmody retains voting and dispositive power over such shares pending release from escrow. On January 15, 2026, David Sheets Marriott and Deborah Marriott Harrison became co-trustees of a trust for the benefit of the estate of their deceased mother. As a result, each of David Sheets Marriott and Deborah Marriott Harrison may be deemed to beneficially own the 285,883 shares of Class A Common Stock held by the trust. The attribution of such shares to each of David Sheets Marriott and Deborah Marriott Harrison, together with the shares previously beneficially owned by him or her, resulted in a change of his or her beneficial ownership of 1% or more of the Class A Common Stock.

The text under each heading listed below of Item 4 of the Schedule 13D is hereby supplemented and amended by the following: Second Amended and Restated Stockholders Agreement: On January 19, 2026, Elyse Foulger replaced Michelle Marriott Darmody as an Original Voting Stockholder Nominee under the Stockholders Agreement. Family Corp Pledged Shares: As of the date of this Amendment No. 10, of the shares of Class A Common Stock beneficially owned by Family Corp, 5,659,641 shares are currently pledged as collateral. Other Pledged Shares: As of the date of this Amendment No. 10, of the shares of Class A Common Stock held directly by J.W. Marriott, Jr., 2,559,896 shares have been pledged as collateral. As of the date of this Amendment No. 10, of the shares of Class A Common Stock held directly by Juliana B. Marriott, 14,101 shares have been pledged as collateral. As of the date of this Amendment No. 10, of the shares of Class A Common Stock held directly by Elyse Foulger, 57,767 shares have been pledged as collateral. As of the date of this Amendment No. 10, of the shares of Class A Common Stock held directly by Jennifer R. Jackson, 11,661 shares have been pledged as collateral. As of the date of this Amendment No. 10, of the shares of Class A Common Stock held directly by Christopher T. Harrison, 100,020 shares have been pledged as collateral. As of the date of this Amendment No. 10, of the shares of Class A Common Stock beneficially owned by David Sheets Marriott, 218,777 shares have been pledged as collateral. Other: On January 13, 2026, Michelle Marriott Darmody deposited 3,150 shares of Class A Common Stock into escrow in connection with a pending contribution to an exchange fund, which has not yet closed. Michelle Marriott Darmody retains voting and dispositive power over such shares pending release from escrow. On January 15, 2026, David Sheets Marriott and Deborah Marriott Harrison became co-trustees of a trust for the benefit of the estate of their deceased mother. As a result, each of David Sheets Marriott and Deborah Marriott Harrison may be deemed to beneficially own the 285,883 shares of Class A Common Stock held by the trust. The attribution of such shares to each of David Sheets Marriott and Deborah Marriott Harrison, together with the shares previously beneficially owned by him or her, resulted in a change of his or her beneficial ownership of 1% or more of the Class A Common Stock.

The text under each heading listed below of Item 4 of the Schedule 13D is hereby supplemented and amended by the following: Second Amended and Restated Stockholders Agreement: On January 19, 2026, Elyse Foulger replaced Michelle Marriott Darmody as an Original Voting Stockholder Nominee under the Stockholders Agreement. Family Corp Pledged Shares: As of the date of this Amendment No. 10, of the shares of Class A Common Stock beneficially owned by Family Corp, 5,659,641 shares are currently pledged as collateral. Other Pledged Shares: As of the date of this Amendment No. 10, of the shares of Class A Common Stock held directly by J.W. Marriott, Jr., 2,559,896 shares have been pledged as collateral. As of the date of this Amendment No. 10, of the shares of Class A Common Stock held directly by Juliana B. Marriott, 14,101 shares have been pledged as collateral. As of the date of this Amendment No. 10, of the shares of Class A Common Stock held directly by Elyse Foulger, 57,767 shares have been pledged as collateral. As of the date of this Amendment No. 10, of the shares of Class A Common Stock held directly by Jennifer R. Jackson, 11,661 shares have been pledged as collateral. As of the date of this Amendment No. 10, of the shares of Class A Common Stock held directly by Christopher T. Harrison, 100,020 shares have been pledged as collateral. As of the date of this Amendment No. 10, of the shares of Class A Common Stock beneficially owned by David Sheets Marriott, 218,777 shares have been pledged as collateral. Other: On January 13, 2026, Michelle Marriott Darmody deposited 3,150 shares of Class A Common Stock into escrow in connection with a pending contribution to an exchange fund, which has not yet closed. Michelle Marriott Darmody retains voting and dispositive power over such shares pending release from escrow. On January 15, 2026, David Sheets Marriott and Deborah Marriott Harrison became co-trustees of a trust for the benefit of the estate of their deceased mother. As a result, each of David Sheets Marriott and Deborah Marriott Harrison may be deemed to beneficially own the 285,883 shares of Class A Common Stock held by the trust. The attribution of such shares to each of David Sheets Marriott and Deborah Marriott Harrison, together with the shares previously beneficially owned by him or her, resulted in a change of his or her beneficial ownership of 1% or more of the Class A Common Stock.

The text under each heading listed below of Item 4 of the Schedule 13D is hereby supplemented and amended by the following: Second Amended and Restated Stockholders Agreement: On January 19, 2026, Elyse Foulger replaced Michelle Marriott Darmody as an Original Voting Stockholder Nominee under the Stockholders Agreement. Family Corp Pledged Shares: As of the date of this Amendment No. 10, of the shares of Class A Common Stock beneficially owned by Family Corp, 5,659,641 shares are currently pledged as collateral. Other Pledged Shares: As of the date of this Amendment No. 10, of the shares of Class A Common Stock held directly by J.W. Marriott, Jr., 2,559,896 shares have been pledged as collateral. As of the date of this Amendment No. 10, of the shares of Class A Common Stock held directly by Juliana B. Marriott, 14,101 shares have been pledged as collateral. As of the date of this Amendment No. 10, of the shares of Class A Common Stock held directly by Elyse Foulger, 57,767 shares have been pledged as collateral. As of the date of this Amendment No. 10, of the shares of Class A Common Stock held directly by Jennifer R. Jackson, 11,661 shares have been pledged as collateral. As of the date of this Amendment No. 10, of the shares of Class A Common Stock held directly by Christopher T. Harrison, 100,020 shares have been pledged as collateral. As of the date of this Amendment No. 10, of the shares of Class A Common Stock beneficially owned by David Sheets Marriott, 218,777 shares have been pledged as collateral. Other: On January 13, 2026, Michelle Marriott Darmody deposited 3,150 shares of Class A Common Stock into escrow in connection with a pending contribution to an exchange fund, which has not yet closed. Michelle Marriott Darmody retains voting and dispositive power over such shares pending release from escrow. On January 15, 2026, David Sheets Marriott and Deborah Marriott Harrison became co-trustees of a trust for the benefit of the estate of their deceased mother. As a result, each of David Sheets Marriott and Deborah Marriott Harrison may be deemed to beneficially own the 285,883 shares of Class A Common Stock held by the trust. The attribution of such shares to each of David Sheets Marriott and Deborah Marriott Harrison, together with the shares previously beneficially owned by him or her, resulted in a change of his or her beneficial ownership of 1% or more of the Class A Common Stock.

The text under each heading listed below of Item 4 of the Schedule 13D is hereby supplemented and amended by the following: Second Amended and Restated Stockholders Agreement: On January 19, 2026, Elyse Foulger replaced Michelle Marriott Darmody as an Original Voting Stockholder Nominee under the Stockholders Agreement. Family Corp Pledged Shares: As of the date of this Amendment No. 10, of the shares of Class A Common Stock beneficially owned by Family Corp, 5,659,641 shares are currently pledged as collateral. Other Pledged Shares: As of the date of this Amendment No. 10, of the shares of Class A Common Stock held directly by J.W. Marriott, Jr., 2,559,896 shares have been pledged as collateral. As of the date of this Amendment No. 10, of the shares of Class A Common Stock held directly by Juliana B. Marriott, 14,101 shares have been pledged as collateral. As of the date of this Amendment No. 10, of the shares of Class A Common Stock held directly by Elyse Foulger, 57,767 shares have been pledged as collateral. As of the date of this Amendment No. 10, of the shares of Class A Common Stock held directly by Jennifer R. Jackson, 11,661 shares have been pledged as collateral. As of the date of this Amendment No. 10, of the shares of Class A Common Stock held directly by Christopher T. Harrison, 100,020 shares have been pledged as collateral. As of the date of this Amendment No. 10, of the shares of Class A Common Stock beneficially owned by David Sheets Marriott, 218,777 shares have been pledged as collateral. Other: On January 13, 2026, Michelle Marriott Darmody deposited 3,150 shares of Class A Common Stock into escrow in connection with a pending contribution to an exchange fund, which has not yet closed. Michelle Marriott Darmody retains voting and dispositive power over such shares pending release from escrow. On January 15, 2026, David Sheets Marriott and Deborah Marriott Harrison became co-trustees of a trust for the benefit of the estate of their deceased mother. As a result, each of David Sheets Marriott and Deborah Marriott Harrison may be deemed to beneficially own the 285,883 shares of Class A Common Stock held by the trust. The attribution of such shares to each of David Sheets Marriott and Deborah Marriott Harrison, together with the shares previously beneficially owned by him or her, resulted in a change of his or her beneficial ownership of 1% or more of the Class A Common Stock.

The text under each heading listed below of Item 4 of the Schedule 13D is hereby supplemented and amended by the following: Second Amended and Restated Stockholders Agreement: On January 19, 2026, Elyse Foulger replaced Michelle Marriott Darmody as an Original Voting Stockholder Nominee under the Stockholders Agreement. Family Corp Pledged Shares: As of the date of this Amendment No. 10, of the shares of Class A Common Stock beneficially owned by Family Corp, 5,659,641 shares are currently pledged as collateral. Other Pledged Shares: As of the date of this Amendment No. 10, of the shares of Class A Common Stock held directly by J.W. Marriott, Jr., 2,559,896 shares have been pledged as collateral. As of the date of this Amendment No. 10, of the shares of Class A Common Stock held directly by Juliana B. Marriott, 14,101 shares have been pledged as collateral. As of the date of this Amendment No. 10, of the shares of Class A Common Stock held directly by Elyse Foulger, 57,767 shares have been pledged as collateral. As of the date of this Amendment No. 10, of the shares of Class A Common Stock held directly by Jennifer R. Jackson, 11,661 shares have been pledged as collateral. As of the date of this Amendment No. 10, of the shares of Class A Common Stock held directly by Christopher T. Harrison, 100,020 shares have been pledged as collateral. As of the date of this Amendment No. 10, of the shares of Class A Common Stock beneficially owned by David Sheets Marriott, 218,777 shares have been pledged as collateral. Other: On January 13, 2026, Michelle Marriott Darmody deposited 3,150 shares of Class A Common Stock into escrow in connection with a pending contribution to an exchange fund, which has not yet closed. Michelle Marriott Darmody retains voting and dispositive power over such shares pending release from escrow. On January 15, 2026, David Sheets Marriott and Deborah Marriott Harrison became co-trustees of a trust for the benefit of the estate of their deceased mother. As a result, each of David Sheets Marriott and Deborah Marriott Harrison may be deemed to beneficially own the 285,883 shares of Class A Common Stock held by the trust. The attribution of such shares to each of David Sheets Marriott and Deborah Marriott Harrison, together with the shares previously beneficially owned by him or her, resulted in a change of his or her beneficial ownership of 1% or more of the Class A Common Stock.