MGM

SEC source: 0001127602-21-007377 · form4.xml · nonDerivative · entry 2

HORNBUCKLE WILLIAM · CIK 0001183302 · Director · CEO AND PRESIDENT

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 202,584

SEC source: 0001127602-21-007377 · form4.xml · nonDerivative · entry 1

HORNBUCKLE WILLIAM · CIK 0001183302 · Director · CEO AND PRESIDENT

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 203,413

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001127602-21-009600 · form4a.xml · derivative · entry 4

SANDERS COREY IAN · CIK 0001494424 · CHIEF OPERATING OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,578

Underlying: Common Stock $.01 Par Value ND · 3,067 shares

Expires 2023-02-21

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Restricted Stock Units ("RSUs") granted under the MGM Resorts International ("Company") Amended and Restated 2005 Omnibus Incentive Plan. Each RSU represents the right to receive one share of Company common stock. Any fractional shares are paid in cash upon settlement.

F3 · derivative.exercise_date: The RSUs are fully vested. Delivery of shares is made in four equal annual installments commencing on the first anniversary of the grant date.

SEC source: 0001127602-21-009600 · form4a.xml · nonDerivative · entry 2

SANDERS COREY IAN · CIK 0001494424 · CHIEF OPERATING OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 447,655

F1 · shares: This Amendment is being filed solely to correct the number of shares withheld for taxes. The original Form 4 filed on February 23, 2021 reflected 772 shares.

SEC source: 0001127602-21-009600 · form4a.xml · nonDerivative · entry 1

SANDERS COREY IAN · CIK 0001494424 · CHIEF OPERATING OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 448,331

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001127602-21-009599 · form4a.xml · derivative · entry 5

HORNBUCKLE WILLIAM · CIK 0001183302 · Director · CEO AND PRESIDENT

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,247

Underlying: Common Stock $.01 Par Value ND · 3,434 shares

Expires 2023-02-21

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Restricted Stock Units ("RSUs") granted under the MGM Resorts International ("Company") Amended and Restated 2005 Omnibus Incentive Plan. Each RSU represents the right to receive one share of Company common stock. Any fractional shares are paid in cash upon settlement.

F3 · derivative.exercise_date: The RSUs are fully vested. Delivery of shares is made in four equal annual installments commencing on the first anniversary of the grant date.

SEC source: 0001127602-21-009599 · form4a.xml · nonDerivative · entry 2

HORNBUCKLE WILLIAM · CIK 0001183302 · Director · CEO AND PRESIDENT

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 202,656

F1 · shares: This Amendment is being filed solely to correct the number of shares withheld for taxes. The original Form 4 filed on February 23, 2021 reflected 829 shares.

SEC source: 0001127602-21-009599 · form4a.xml · nonDerivative · entry 1

HORNBUCKLE WILLIAM · CIK 0001183302 · Director · CEO AND PRESIDENT

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 203,413

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001127602-21-006571 · form4.xml · derivative · entry 5

Meinert Todd · CIK 0001832044 · SVP Financial Reporting

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock $.01 Par Value ND · 4,243 shares

Expires 2021-10-06

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001127602-21-006571 · form4.xml · nonDerivative · entry 4

Meinert Todd · CIK 0001832044 · SVP Financial Reporting

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,300

SEC source: 0001127602-21-006571 · form4.xml · nonDerivative · entry 3

Meinert Todd · CIK 0001832044 · SVP Financial Reporting

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,429

SEC source: 0001127602-21-006571 · form4.xml · nonDerivative · entry 2

Meinert Todd · CIK 0001832044 · SVP Financial Reporting

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,543

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001127602-21-006571 · form4.xml · nonDerivative · entry 1

Meinert Todd · CIK 0001832044 · SVP Financial Reporting

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,300

SEC source: 0001127602-21-006568 · form4.xml · nonDerivative · entry 1

McManus John · CIK 0001440053 · EVP GENERAL COUNSEL AND SECY

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 72,373

F1 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $35.29 to $35.73, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range.

SEC source: 0001127602-21-006567 · form4.xml · nonDerivative · entry 1

HERMAN ALEXIS · CIK 0001230738 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,136

SEC source: 0001127602-21-003818 · form4.xml · derivative · entry 1

Halkyard Jonathan S · CIK 0001371536 · CHIEF FINANCIAL OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,748

Underlying: Common Stock $.01 Par Value ND · 30,748 shares

Expires 2025-02-01

F1 · derivative.exercise_price: Restricted Stock Units ("RSUs") granted under the MGM Resorts International Amended and Restated 2005 Omnibus Incentive Plan. Each RSU represents the right to receive, following vesting, one share of MGM Resorts International common stock. The RSUs will vest in four equal annual installments commencing on the first anniversary of the grant date.

SEC source: 0001127602-21-000849 · form4.xml · derivative · entry 4

SANDERS COREY IAN · CIK 0001494424 · CHIEF FINANCIAL OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock $.01 Par Value ND · 31,699 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Restricted Stock Units ("RSUs") granted under the MGM Resorts International Amended and Restated 2005 Omnibus Incentive Plan. On March 30, 2020, the Reporting Person voluntarily reduced the cash amount of his base salary for the remainder of 2020 by 50% in exchange for a grant of an equivalent value of RSUs. Such RSUs and associated dividend equivalent rights vested in full on December 31, 2020. Any fractional shares were paid in cash upon settlement.

F1 · derivative.exercise_date: Restricted Stock Units ("RSUs") granted under the MGM Resorts International Amended and Restated 2005 Omnibus Incentive Plan. On March 30, 2020, the Reporting Person voluntarily reduced the cash amount of his base salary for the remainder of 2020 by 50% in exchange for a grant of an equivalent value of RSUs. Such RSUs and associated dividend equivalent rights vested in full on December 31, 2020. Any fractional shares were paid in cash upon settlement.

F1 · derivative.expiration_date: Restricted Stock Units ("RSUs") granted under the MGM Resorts International Amended and Restated 2005 Omnibus Incentive Plan. On March 30, 2020, the Reporting Person voluntarily reduced the cash amount of his base salary for the remainder of 2020 by 50% in exchange for a grant of an equivalent value of RSUs. Such RSUs and associated dividend equivalent rights vested in full on December 31, 2020. Any fractional shares were paid in cash upon settlement.

SEC source: 0001127602-21-000849 · form4.xml · nonDerivative · entry 2

SANDERS COREY IAN · CIK 0001494424 · CHIEF FINANCIAL OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 445,264

SEC source: 0001127602-21-000849 · form4.xml · nonDerivative · entry 1

SANDERS COREY IAN · CIK 0001494424 · CHIEF FINANCIAL OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 457,739

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001127602-21-000848 · form4.xml · derivative · entry 3

McManus John · CIK 0001440053 · EVP GENERAL COUNSEL AND SECY

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock $.01 Par Value ND · 22,189 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Restricted Stock Units ("RSUs") granted under the MGM Resorts International Amended and Restated 2005 Omnibus Incentive Plan. On March 30, 2020, the Reporting Person voluntarily reduced the cash amount of his base salary for the remainder of 2020 by 50% in exchange for a grant of an equivalent value of RSUs. Such RSUs and associated dividend equivalent rights vested in full on December 31, 2020. Any fractional shares were paid in cash upon settlement.

F1 · derivative.exercise_date: Restricted Stock Units ("RSUs") granted under the MGM Resorts International Amended and Restated 2005 Omnibus Incentive Plan. On March 30, 2020, the Reporting Person voluntarily reduced the cash amount of his base salary for the remainder of 2020 by 50% in exchange for a grant of an equivalent value of RSUs. Such RSUs and associated dividend equivalent rights vested in full on December 31, 2020. Any fractional shares were paid in cash upon settlement.

F1 · derivative.expiration_date: Restricted Stock Units ("RSUs") granted under the MGM Resorts International Amended and Restated 2005 Omnibus Incentive Plan. On March 30, 2020, the Reporting Person voluntarily reduced the cash amount of his base salary for the remainder of 2020 by 50% in exchange for a grant of an equivalent value of RSUs. Such RSUs and associated dividend equivalent rights vested in full on December 31, 2020. Any fractional shares were paid in cash upon settlement.

SEC source: 0001127602-21-000848 · form4.xml · nonDerivative · entry 2

McManus John · CIK 0001440053 · EVP GENERAL COUNSEL AND SECY

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 102,373

SEC source: 0001127602-21-000848 · form4.xml · nonDerivative · entry 1

McManus John · CIK 0001440053 · EVP GENERAL COUNSEL AND SECY

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 111,106

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001127602-21-000847 · form4.xml · derivative · entry 5

HORNBUCKLE WILLIAM · CIK 0001183302 · Director · CEO AND PRESIDENT

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock $.01 Par Value ND · 60,698 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Restricted Stock Units ("RSUs") granted under the MGM Resorts International Amended and Restated 2005 Omnibus Incentive Plan. On March 30, 2020, the Reporting Person voluntarily reduced the cash amount of his base salary for the remainder of 2020 by 100% in exchange for a grant of an equivalent value of RSUs. Such RSUs and associated dividend equivalent rights vested in full on December 31, 2020. Any fractional shares were paid in cash upon settlement.

F1 · derivative.exercise_date: Restricted Stock Units ("RSUs") granted under the MGM Resorts International Amended and Restated 2005 Omnibus Incentive Plan. On March 30, 2020, the Reporting Person voluntarily reduced the cash amount of his base salary for the remainder of 2020 by 100% in exchange for a grant of an equivalent value of RSUs. Such RSUs and associated dividend equivalent rights vested in full on December 31, 2020. Any fractional shares were paid in cash upon settlement.

F1 · derivative.expiration_date: Restricted Stock Units ("RSUs") granted under the MGM Resorts International Amended and Restated 2005 Omnibus Incentive Plan. On March 30, 2020, the Reporting Person voluntarily reduced the cash amount of his base salary for the remainder of 2020 by 100% in exchange for a grant of an equivalent value of RSUs. Such RSUs and associated dividend equivalent rights vested in full on December 31, 2020. Any fractional shares were paid in cash upon settlement.

SEC source: 0001127602-21-000847 · form4.xml · nonDerivative · entry 2

HORNBUCKLE WILLIAM · CIK 0001183302 · Director · CEO AND PRESIDENT

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 199,979

SEC source: 0001127602-21-000847 · form4.xml · nonDerivative · entry 1

HORNBUCKLE WILLIAM · CIK 0001183302 · Director · CEO AND PRESIDENT

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 223,865

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001127602-21-000846 · form4.xml · derivative · entry 2

TAYLOR DANIEL J · CIK 0001190285 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By grantor trust

Disclosed balance after: 0

Underlying: Common Stock $.01 Par Value ND · 9,760 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Restricted Stock Units ("RSUs") granted under the MGM Resorts International (the "Company") Amended and Restated 2005 Omnibus Incentive Plan. On March 30, 2020, the Reporting Person voluntarily reduced 100% of his cash compensation for the remainder of 2020 in exchange for a grant of an equivalent value of RSUs. Such RSUs and associated dividend equivalent rights vested in full on December 31, 2020. Any fractional shares were paid in cash upon settlement.

F1 · derivative.exercise_date: Restricted Stock Units ("RSUs") granted under the MGM Resorts International (the "Company") Amended and Restated 2005 Omnibus Incentive Plan. On March 30, 2020, the Reporting Person voluntarily reduced 100% of his cash compensation for the remainder of 2020 in exchange for a grant of an equivalent value of RSUs. Such RSUs and associated dividend equivalent rights vested in full on December 31, 2020. Any fractional shares were paid in cash upon settlement.

F1 · derivative.expiration_date: Restricted Stock Units ("RSUs") granted under the MGM Resorts International (the "Company") Amended and Restated 2005 Omnibus Incentive Plan. On March 30, 2020, the Reporting Person voluntarily reduced 100% of his cash compensation for the remainder of 2020 in exchange for a grant of an equivalent value of RSUs. Such RSUs and associated dividend equivalent rights vested in full on December 31, 2020. Any fractional shares were paid in cash upon settlement.

SEC source: 0001127602-21-000846 · form4.xml · nonDerivative · entry 1

TAYLOR DANIEL J · CIK 0001190285 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By grantor trust

Disclosed balance after: 9,760

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001127602-21-000845 · form4.xml · derivative · entry 2

SPIERKEL GREGORY M · CIK 0001191461 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock $.01 Par Value ND · 10,636 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Restricted Stock Units ("RSUs") granted under the MGM Resorts International Amended and Restated 2005 Omnibus Incentive Plan. On April 3, 2020, the Reporting Person voluntarily reduced 100% of his cash compensation for the remainder of 2020 in exchange for a grant of an equivalent value of RSUs. Such RSUs and associated dividend equivalent rights vested in full on December 31, 2020. Any fractional shares were paid in cash upon settlement.

F1 · derivative.exercise_date: Restricted Stock Units ("RSUs") granted under the MGM Resorts International Amended and Restated 2005 Omnibus Incentive Plan. On April 3, 2020, the Reporting Person voluntarily reduced 100% of his cash compensation for the remainder of 2020 in exchange for a grant of an equivalent value of RSUs. Such RSUs and associated dividend equivalent rights vested in full on December 31, 2020. Any fractional shares were paid in cash upon settlement.

F1 · derivative.expiration_date: Restricted Stock Units ("RSUs") granted under the MGM Resorts International Amended and Restated 2005 Omnibus Incentive Plan. On April 3, 2020, the Reporting Person voluntarily reduced 100% of his cash compensation for the remainder of 2020 in exchange for a grant of an equivalent value of RSUs. Such RSUs and associated dividend equivalent rights vested in full on December 31, 2020. Any fractional shares were paid in cash upon settlement.

SEC source: 0001127602-21-000845 · form4.xml · nonDerivative · entry 1

SPIERKEL GREGORY M · CIK 0001191461 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By grantor trust

Disclosed balance after: 26,642

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001127602-21-000844 · form4.xml · derivative · entry 2

Mckinney-James Rose · CIK 0001331780 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock $.01 Par Value ND · 7,821 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Restricted Stock Units ("RSUs") granted under the MGM Resorts International (the "Company") Amended and Restated 2005 Omnibus Incentive Plan. On April 2, 2020, the Reporting Person voluntarily reduced 100% of her cash compensation (less amounts she had previously elected to defer pursuant to the Company's Amended and Restated Deferred Compensation Plan for Non-Employee Directors) for the remainder of 2020 in exchange for a grant of an equivalent value of RSUs. Such RSUs and associated dividend equivalent rights vested in full on December 31, 2020. Any fractional shares were paid in cash upon settlement.

F1 · derivative.exercise_date: Restricted Stock Units ("RSUs") granted under the MGM Resorts International (the "Company") Amended and Restated 2005 Omnibus Incentive Plan. On April 2, 2020, the Reporting Person voluntarily reduced 100% of her cash compensation (less amounts she had previously elected to defer pursuant to the Company's Amended and Restated Deferred Compensation Plan for Non-Employee Directors) for the remainder of 2020 in exchange for a grant of an equivalent value of RSUs. Such RSUs and associated dividend equivalent rights vested in full on December 31, 2020. Any fractional shares were paid in cash upon settlement.

F1 · derivative.expiration_date: Restricted Stock Units ("RSUs") granted under the MGM Resorts International (the "Company") Amended and Restated 2005 Omnibus Incentive Plan. On April 2, 2020, the Reporting Person voluntarily reduced 100% of her cash compensation (less amounts she had previously elected to defer pursuant to the Company's Amended and Restated Deferred Compensation Plan for Non-Employee Directors) for the remainder of 2020 in exchange for a grant of an equivalent value of RSUs. Such RSUs and associated dividend equivalent rights vested in full on December 31, 2020. Any fractional shares were paid in cash upon settlement.

SEC source: 0001127602-21-000844 · form4.xml · nonDerivative · entry 1

Mckinney-James Rose · CIK 0001331780 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,440

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001127602-21-000843 · form4.xml · derivative · entry 2

GROUNDS WILLIAM WARWICK · CIK 0001574607 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock $.01 Par Value ND · 5,245 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Restricted Stock Units ("RSUs") granted under the MGM Resorts International Amended and Restated 2005 Omnibus Incentive Plan. On March 31, 2020, the Reporting Person voluntarily reduced 75% of his cash compensation for the remainder of 2020 in exchange for a grant of an equivalent value of RSUs. Such RSUs and associated dividend equivalent rights vested in full on December 31, 2020. Any fractional shares were paid in cash upon settlement.

F1 · derivative.exercise_date: Restricted Stock Units ("RSUs") granted under the MGM Resorts International Amended and Restated 2005 Omnibus Incentive Plan. On March 31, 2020, the Reporting Person voluntarily reduced 75% of his cash compensation for the remainder of 2020 in exchange for a grant of an equivalent value of RSUs. Such RSUs and associated dividend equivalent rights vested in full on December 31, 2020. Any fractional shares were paid in cash upon settlement.

F1 · derivative.expiration_date: Restricted Stock Units ("RSUs") granted under the MGM Resorts International Amended and Restated 2005 Omnibus Incentive Plan. On March 31, 2020, the Reporting Person voluntarily reduced 75% of his cash compensation for the remainder of 2020 in exchange for a grant of an equivalent value of RSUs. Such RSUs and associated dividend equivalent rights vested in full on December 31, 2020. Any fractional shares were paid in cash upon settlement.

SEC source: 0001127602-21-000843 · form4.xml · nonDerivative · entry 1

GROUNDS WILLIAM WARWICK · CIK 0001574607 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,796

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001127602-21-000841 · form4.xml · derivative · entry 2

SALEM PAUL J · CIK 0001084356 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,018.2864

Underlying: Common Stock $.01 Par Value ND · 872.7388 shares

Expires not disclosed

F1 · derivative.exercise_price: Represents Deferred Stock Units ("DSUs") under the MGM Resorts International (the "Company") Deferred Compensation Plan for Non-Employee Directors. Each DSU is the economic equivalent of one share of Company common stock. The DSUs become payable upon the reporting person's termination of service as a Director.

F1 · derivative.exercise_date: Represents Deferred Stock Units ("DSUs") under the MGM Resorts International (the "Company") Deferred Compensation Plan for Non-Employee Directors. Each DSU is the economic equivalent of one share of Company common stock. The DSUs become payable upon the reporting person's termination of service as a Director.

F1 · derivative.expiration_date: Represents Deferred Stock Units ("DSUs") under the MGM Resorts International (the "Company") Deferred Compensation Plan for Non-Employee Directors. Each DSU is the economic equivalent of one share of Company common stock. The DSUs become payable upon the reporting person's termination of service as a Director.

SEC source: 0001127602-21-000839 · form4.xml · derivative · entry 1

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,938.1736

Underlying: Common Stock $.01 Par Value ND · 714.059 shares

Expires not disclosed

F1 · derivative.exercise_price: Represents Deferred Stock Units ("DSUs") under the MGM Resorts International (the "Company") Deferred Compensation Plan for Non-Employee Directors. Each DSU is the economic equivalent of one share of Company common stock. The DSUs become payable upon the reporting person's termination of service as a Director.

F1 · derivative.exercise_date: Represents Deferred Stock Units ("DSUs") under the MGM Resorts International (the "Company") Deferred Compensation Plan for Non-Employee Directors. Each DSU is the economic equivalent of one share of Company common stock. The DSUs become payable upon the reporting person's termination of service as a Director.

F1 · derivative.expiration_date: Represents Deferred Stock Units ("DSUs") under the MGM Resorts International (the "Company") Deferred Compensation Plan for Non-Employee Directors. Each DSU is the economic equivalent of one share of Company common stock. The DSUs become payable upon the reporting person's termination of service as a Director.

SEC source: 0001127602-21-000834 · form4.xml · derivative · entry 4

HERNANDEZ ROLAND A · CIK 0001194703 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,615.7444

Underlying: Common Stock $.01 Par Value ND · 1,190.0984 shares

Expires not disclosed

F1 · derivative.exercise_price: Represents Deferred Stock Units ("DSUs") under the MGM Resorts International (the "Company") Deferred Compensation Plan for Non-Employee Directors. Each DSU is the economic equivalent of one share of Company common stock. The DSUs become payable upon the reporting person's termination of service as a Director.

F1 · derivative.exercise_date: Represents Deferred Stock Units ("DSUs") under the MGM Resorts International (the "Company") Deferred Compensation Plan for Non-Employee Directors. Each DSU is the economic equivalent of one share of Company common stock. The DSUs become payable upon the reporting person's termination of service as a Director.

F1 · derivative.expiration_date: Represents Deferred Stock Units ("DSUs") under the MGM Resorts International (the "Company") Deferred Compensation Plan for Non-Employee Directors. Each DSU is the economic equivalent of one share of Company common stock. The DSUs become payable upon the reporting person's termination of service as a Director.

SEC source: 0001127602-20-031843 · form4.xml · derivative · entry 4

TAYLOR DANIEL J · CIK 0001190285 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By grantor trust

Disclosed balance after: 10,050.1664

Underlying: Common Stock $.01 Par Value ND · 0.8168 shares

Expires not disclosed

F5 · derivative.exercise_price: RSUs granted under the Plan. Each RSU represents the right to receive, following vesting, one share of Company common stock. Any fractional shares are paid in cash upon settlement.

F4 · price: Dividend equivalent rights accrue with respect to these RSUs when and as dividends are paid on the Company's common stock and vest on the same dates and in the same relative proportions as the RSUs on which they accrue.

F6 · derivative.exercise_date: The RSUs will vest upon the earlier of (i) May 7, 2021 or (ii) the date of the Company's next annual meeting of stockholders, in each case subject to the terms of the Plan and applicable award agreement.

F6 · derivative.expiration_date: The RSUs will vest upon the earlier of (i) May 7, 2021 or (ii) the date of the Company's next annual meeting of stockholders, in each case subject to the terms of the Plan and applicable award agreement.

SEC source: 0001127602-20-031843 · form4.xml · derivative · entry 3

TAYLOR DANIEL J · CIK 0001190285 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By grantor trust

Disclosed balance after: 6,550.0635

Underlying: Common Stock $.01 Par Value ND · 0.5323 shares

Expires not disclosed

F5 · derivative.exercise_price: RSUs granted under the Plan. Each RSU represents the right to receive, following vesting, one share of Company common stock. Any fractional shares are paid in cash upon settlement.

F4 · price: Dividend equivalent rights accrue with respect to these RSUs when and as dividends are paid on the Company's common stock and vest on the same dates and in the same relative proportions as the RSUs on which they accrue.

F6 · derivative.exercise_date: The RSUs will vest upon the earlier of (i) May 7, 2021 or (ii) the date of the Company's next annual meeting of stockholders, in each case subject to the terms of the Plan and applicable award agreement.

F6 · derivative.expiration_date: The RSUs will vest upon the earlier of (i) May 7, 2021 or (ii) the date of the Company's next annual meeting of stockholders, in each case subject to the terms of the Plan and applicable award agreement.

SEC source: 0001127602-20-031843 · form4.xml · derivative · entry 2

TAYLOR DANIEL J · CIK 0001190285 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By grantor trust

Disclosed balance after: 9,760.0749

Underlying: Common Stock $.01 Par Value ND · 0.7932 shares

Expires not disclosed

F3 · derivative.exercise_price: Restricted Stock Units ("RSUs") granted under the MGM Resorts International (the "Company") Amended and Restated 2005 Omnibus Incentive Plan (the "Plan"). On March 30, 2020, the Reporting Person voluntarily reduced 100% of his cash compensation for the remainder of 2020 in exchange for a grant of an equivalent value of RSUs. Such RSUs will vest in full on December 31, 2020. Should the Reporting Person cease serving on the Company's board of directors for any reason prior to December 31, 2020, the RSUs shall vest on a pro-rata basis.

F4 · price: Dividend equivalent rights accrue with respect to these RSUs when and as dividends are paid on the Company's common stock and vest on the same dates and in the same relative proportions as the RSUs on which they accrue.

F3 · derivative.exercise_date: Restricted Stock Units ("RSUs") granted under the MGM Resorts International (the "Company") Amended and Restated 2005 Omnibus Incentive Plan (the "Plan"). On March 30, 2020, the Reporting Person voluntarily reduced 100% of his cash compensation for the remainder of 2020 in exchange for a grant of an equivalent value of RSUs. Such RSUs will vest in full on December 31, 2020. Should the Reporting Person cease serving on the Company's board of directors for any reason prior to December 31, 2020, the RSUs shall vest on a pro-rata basis.

F3 · derivative.expiration_date: Restricted Stock Units ("RSUs") granted under the MGM Resorts International (the "Company") Amended and Restated 2005 Omnibus Incentive Plan (the "Plan"). On March 30, 2020, the Reporting Person voluntarily reduced 100% of his cash compensation for the remainder of 2020 in exchange for a grant of an equivalent value of RSUs. Such RSUs will vest in full on December 31, 2020. Should the Reporting Person cease serving on the Company's board of directors for any reason prior to December 31, 2020, the RSUs shall vest on a pro-rata basis.

SEC source: 0001127602-20-031843 · form4.xml · derivative · entry 1

TAYLOR DANIEL J · CIK 0001190285 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By grantor trust

Disclosed balance after: 79,442.7489

Underlying: Common Stock $.01 Par Value ND · 6.4561 shares

Expires not disclosed

F1 · derivative.exercise_price: Represents Deferred Stock Units ("DSUs") under the MGM Resorts International Deferred Compensation Plan for Non-Employee Directors. Each DSU is the economic equivalent of one share of Company common stock. The DSUs become payable upon the reporting person's termination of service as a Director.

F2 · price: Dividend equivalent rights accrue with respect to these DSUs when and as dividends are paid on MGM Resorts International's common stock and become payable upon the reporting person's termination of service as a Director.

F1 · derivative.exercise_date: Represents Deferred Stock Units ("DSUs") under the MGM Resorts International Deferred Compensation Plan for Non-Employee Directors. Each DSU is the economic equivalent of one share of Company common stock. The DSUs become payable upon the reporting person's termination of service as a Director.

F1 · derivative.expiration_date: Represents Deferred Stock Units ("DSUs") under the MGM Resorts International Deferred Compensation Plan for Non-Employee Directors. Each DSU is the economic equivalent of one share of Company common stock. The DSUs become payable upon the reporting person's termination of service as a Director.

SEC source: 0001127602-20-031842 · form4.xml · derivative · entry 10

SANDERS COREY IAN · CIK 0001494424 · CHIEF FINANCIAL OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 81,161.1411

Underlying: Common Stock $.01 Par Value ND · 6.5958 shares

Expires 2024-08-18

F5 · derivative.exercise_price: RSUs granted under the Plan. Each RSU represents the right to receive, following vesting, one share of Company common stock. The RSUs will vest in four equal annual installments commencing on the first anniversary of the grant date.

F2 · price: Dividend equivalent rights accrue with respect to these RSUs when and as dividends are paid on the Company's common stock and vest on the same dates and in the same relative proportions as the RSUs on which they accrue.

SEC source: 0001127602-20-031842 · form4.xml · derivative · entry 9

SANDERS COREY IAN · CIK 0001494424 · CHIEF FINANCIAL OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,411.1563

Underlying: Common Stock $.01 Par Value ND · 2.8778 shares

Expires 2024-04-01

F8 · derivative.exercise_price: RSUs granted under the Plan. Each RSU represents the right to receive, following vesting, one share of Company common stock. The RSUs will vest in four equal annual installments commencing on the first anniversary of the grant date. The RSUs were granted on April 1, 2020 as part of the Reporting Person's 2020 annual equity award pursuant to the terms of his new employment agreement with the Company.

F2 · price: Dividend equivalent rights accrue with respect to these RSUs when and as dividends are paid on the Company's common stock and vest on the same dates and in the same relative proportions as the RSUs on which they accrue.

SEC source: 0001127602-20-031842 · form4.xml · derivative · entry 8

SANDERS COREY IAN · CIK 0001494424 · CHIEF FINANCIAL OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,699.9871

Underlying: Common Stock $.01 Par Value ND · 2.5762 shares

Expires not disclosed

F7 · derivative.exercise_price: RSUs granted under the Plan. On March 30, 2020, the Reporting Person voluntarily reduced the cash amount of his base salary for the remainder of 2020 by 50% in exchange for a grant of an equivalent value of RSUs. Such RSUs will vest and be paid in full on December 31, 2020. Should the Reporting Person leave his employment for any reason prior to December 27, 2020, the last day of his final pay period in 2020, the RSUs shall vest and become payable on a pro-rata basis.

F2 · price: Dividend equivalent rights accrue with respect to these RSUs when and as dividends are paid on the Company's common stock and vest on the same dates and in the same relative proportions as the RSUs on which they accrue.

F7 · derivative.exercise_date: RSUs granted under the Plan. On March 30, 2020, the Reporting Person voluntarily reduced the cash amount of his base salary for the remainder of 2020 by 50% in exchange for a grant of an equivalent value of RSUs. Such RSUs will vest and be paid in full on December 31, 2020. Should the Reporting Person leave his employment for any reason prior to December 27, 2020, the last day of his final pay period in 2020, the RSUs shall vest and become payable on a pro-rata basis.

F7 · derivative.expiration_date: RSUs granted under the Plan. On March 30, 2020, the Reporting Person voluntarily reduced the cash amount of his base salary for the remainder of 2020 by 50% in exchange for a grant of an equivalent value of RSUs. Such RSUs will vest and be paid in full on December 31, 2020. Should the Reporting Person leave his employment for any reason prior to December 27, 2020, the last day of his final pay period in 2020, the RSUs shall vest and become payable on a pro-rata basis.

SEC source: 0001127602-20-031842 · form4.xml · derivative · entry 7

SANDERS COREY IAN · CIK 0001494424 · CHIEF FINANCIAL OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,679.7526

Underlying: Common Stock $.01 Par Value ND · 1.3555 shares

Expires 2024-02-27

F3 · derivative.exercise_price: RSUs granted under the Plan. Each RSU represents the right to receive one share of Company common stock. Any fractional shares will be paid in cash upon settlement.

F2 · price: Dividend equivalent rights accrue with respect to these RSUs when and as dividends are paid on the Company's common stock and vest on the same dates and in the same relative proportions as the RSUs on which they accrue.

F6 · derivative.exercise_date: The RSUs are fully vested. Delivery of shares will be made in four equal annual installments commencing on the first anniversary of the grant date.

SEC source: 0001127602-20-031842 · form4.xml · derivative · entry 6

SANDERS COREY IAN · CIK 0001494424 · CHIEF FINANCIAL OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,645.3775

Underlying: Common Stock $.01 Par Value ND · 0.7026 shares

Expires 2023-02-21

F3 · derivative.exercise_price: RSUs granted under the Plan. Each RSU represents the right to receive one share of Company common stock. Any fractional shares will be paid in cash upon settlement.

F2 · price: Dividend equivalent rights accrue with respect to these RSUs when and as dividends are paid on the Company's common stock and vest on the same dates and in the same relative proportions as the RSUs on which they accrue.

F6 · derivative.exercise_date: The RSUs are fully vested. Delivery of shares will be made in four equal annual installments commencing on the first anniversary of the grant date.

SEC source: 0001127602-20-031842 · form4.xml · derivative · entry 5

SANDERS COREY IAN · CIK 0001494424 · CHIEF FINANCIAL OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,421.7409

Underlying: Common Stock $.01 Par Value ND · 1.7409 shares

Expires 2022-10-19

F5 · derivative.exercise_price: RSUs granted under the Plan. Each RSU represents the right to receive, following vesting, one share of Company common stock. The RSUs will vest in four equal annual installments commencing on the first anniversary of the grant date.

F2 · price: Dividend equivalent rights accrue with respect to these RSUs when and as dividends are paid on the Company's common stock and vest on the same dates and in the same relative proportions as the RSUs on which they accrue.

SEC source: 0001127602-20-031842 · form4.xml · derivative · entry 4

SANDERS COREY IAN · CIK 0001494424 · CHIEF FINANCIAL OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,029.1401

Underlying: Common Stock $.01 Par Value ND · 1.3839 shares

Expires 2021-02-23

F3 · derivative.exercise_price: RSUs granted under the Plan. Each RSU represents the right to receive one share of Company common stock. Any fractional shares will be paid in cash upon settlement.

F2 · price: Dividend equivalent rights accrue with respect to these RSUs when and as dividends are paid on the Company's common stock and vest on the same dates and in the same relative proportions as the RSUs on which they accrue.

F4 · derivative.exercise_date: The RSUs are fully vested. Delivery of shares will be made on the third anniversary of the grant date.

SEC source: 0001127602-20-031842 · form4.xml · derivative · entry 3

SANDERS COREY IAN · CIK 0001494424 · CHIEF FINANCIAL OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,017.6516

Underlying: Common Stock $.01 Par Value ND · 0.6516 shares

Expires 2021-11-14

F1 · derivative.exercise_price: Restricted Stock Units ("RSUs") granted under the MGM Resorts International ("Company") Amended and Restated 2005 Omnibus Incentive Plan (the "Plan"). Each RSU represents the right to receive, following vesting, one share of Company common stock. Any fractional shares are paid in cash upon settlement.

F2 · price: Dividend equivalent rights accrue with respect to these RSUs when and as dividends are paid on the Company's common stock and vest on the same dates and in the same relative proportions as the RSUs on which they accrue.

SEC source: 0001127602-20-031841 · form4.xml · derivative · entry 5

Meinert Todd · CIK 0001832044 · SVP Financial Reporting

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,398.7534

Underlying: Common Stock $.01 Par Value ND · 0.7638 shares

Expires 2024-08-18

F1 · derivative.exercise_price: Restricted Stock Units ("RSUs") granted under the MGM Resorts International ("Company") Amended and Restated 2005 Omnibus Incentive Plan. Each RSU represents the right to receive, following vesting, one share of Company common stock. Any fractional shares are paid in cash upon settlement.

F2 · price: Dividend equivalent rights accrue with respect to these RSUs when and as dividends are paid on the Company's common stock and vest on the same dates and in the same relative proportions as the RSUs on which they accrue.

SEC source: 0001127602-20-031841 · form4.xml · derivative · entry 4

Meinert Todd · CIK 0001832044 · SVP Financial Reporting

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,521.4487

Underlying: Common Stock $.01 Par Value ND · 0.4487 shares

Expires 2023-10-07

F1 · derivative.exercise_price: Restricted Stock Units ("RSUs") granted under the MGM Resorts International ("Company") Amended and Restated 2005 Omnibus Incentive Plan. Each RSU represents the right to receive, following vesting, one share of Company common stock. Any fractional shares are paid in cash upon settlement.

F2 · price: Dividend equivalent rights accrue with respect to these RSUs when and as dividends are paid on the Company's common stock and vest on the same dates and in the same relative proportions as the RSUs on which they accrue.