Meister Keith A.

SEC source: 0001209191-22-027289 · doc4.xml · derivative · entry 1

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 78,914

Underlying: Class A Common Stock · 78,914 shares

Expires 2032-05-01

F1 · derivative.exercise_date: The underlying shares shall vest the earlier of (a) the date of the next annual meeting of the Issuer's shareholders following the grant date, and (b) the first anniversary of the grant date, subject to the Reporting Person continuing to provide services to the Issuer through each vesting date.

SEC source: 0001209191-22-027691 · doc4a.xml · derivative · entry 1

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 78,914

Underlying: Class A Common Stock · 78,914 shares

Expires 2032-05-01

F1 · derivative.exercise_price: This Form 4 amendment has been filed solely to correct the exercise price of a previously issued stock option to purchase shares of Class A Common Stock of the Issuer reported in a Form 4 filed on May 4, 2022 (the "Form 4"). The exercise price was inadvertently stated as $2.155 in the Form 4. The exercise price should have been stated as $2.20 in the Form 4.

F2 · derivative.exercise_date: The underlying shares shall vest the earlier of (a) the date of the next annual meeting of the Issuer's shareholders following the grant date, and (b) the first anniversary of the grant date, subject to the Reporting Person continuing to provide services to the Issuer through each vesting date.

SEC source: 0001213900-22-023580 · ownership.xml · nonDerivative · entry 1

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 26,931,250

F1 · ownership.nature: Investment funds advised by Corvex Management LP are the record holders of 15,937,500 shares of the Class A common stock, par value $0.0001 per share ("Class A Common Stock") reported herein. Mr. Meister may be deemed to be indirectly beneficially own these shares by virtue of Mr. Meister's control of the general partner of Corvex Management LP.

F2 · ownership.nature: CMLS Holdings LLC ("CMLS Holdings") is the record holder of 10,993,750 shares of the Class A common stock, par value $0.0001 per share ("Class A Common Stock") reported herein. Mr. Meister is one of two members of the Board of Managers of CMLS Holdings, and Mr. Meister shares voting and investment discretion with respect to the securities held of record by CMLS Holdings.Stock") reported herein. Mr. Meister is one of two members of the Board of Managers of CMLS Holdings, and Mr. Meister shares voting and investment discretion with respect to the securities held of record by CMLS Holdings.

F3 · ownership.nature: For the purposes of this filing, Mr. Meister disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein. This filing shall not be deemed an admission that Mr. Meister is the beneficial owner of any of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or otherwise.This filing shall not be deemed an admission that Mr. Meister is the beneficial owner of any of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or otherwise.

SEC source: 0001127602-22-011291 · form4.xml · derivative · entry 1

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,054.6908

Underlying: Common Stock $.01 Par Value ND · 774.9165 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: 0001127602-22-009828 · form4.xml · derivative · entry 2

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,499.097

Underlying: Common Stock $.01 Par Value ND · 0.2805 shares

Expires not disclosed

F3 · derivative.exercise_price: Restricted Stock Units ("RSUs") granted under the Company's 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.

F5 · 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 will vest upon the earlier of (i) May 6, 2022 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.

F4 · derivative.expiration_date: The RSUs will vest upon the earlier of (i) May 6, 2022 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: 0001127602-22-009828 · form4.xml · derivative · entry 1

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,279.7743

Underlying: Common Stock $.01 Par Value ND · 1.7011 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.

F2 · price: Dividend equivalent rights accrue with respect to these DSUs when and as dividends are paid on the Company'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 (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: 0000899243-22-006471 · doc4.xml · nonDerivative · entry 2

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 6,673,778

F2 · ownership.nature: These securities are held for the accounts of certain private investment funds for which Corvex Management LP ("Corvex") acts as investment adviser, including Corvex Master Fund LP and Corvex Select Equity Master Fund LP. The general partner of Corvex is controlled by the Reporting Person.

F3 · ownership.nature: For purposes of Section 16 of the Securities Exchange Act of 1934, the Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 or any other purpose.

SEC source: 0000899243-22-006471 · doc4.xml · nonDerivative · entry 1

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 11,173,778

F1 · shares: 4,500,000 shares of common stock were sold to the Issuer in an exempt transaction pursuant to Rule 16b-3 under the Securities Exchange Act of 1934, as amended.

F2 · ownership.nature: These securities are held for the accounts of certain private investment funds for which Corvex Management LP ("Corvex") acts as investment adviser, including Corvex Master Fund LP and Corvex Select Equity Master Fund LP. The general partner of Corvex is controlled by the Reporting Person.

F3 · ownership.nature: For purposes of Section 16 of the Securities Exchange Act of 1934, the Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 or any other purpose.

SEC source: 0001127602-22-000710 · form4.xml · derivative · entry 1

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,278.0732

Underlying: Common Stock $.01 Par Value ND · 72.4153 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: 0001127602-21-031458 · form4.xml · derivative · entry 2

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,498.8165

Underlying: Common Stock $.01 Par Value ND · 0.2718 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"). Each RSU represents the right to receive, following vesting, one share of Company common stock. Any fractional shares are paid in cash upon settlement.

F5 · 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 will vest upon the earlier of (i) May 6, 2022 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.

F4 · derivative.expiration_date: The RSUs will vest upon the earlier of (i) May 6, 2022 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: 0001127602-21-031458 · form4.xml · derivative · entry 1

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,205.6579

Underlying: Common Stock $.01 Par Value ND · 1.6439 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.

F2 · price: Dividend equivalent rights accrue with respect to these DSUs when and as dividends are paid on the Company'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 (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: 0001127602-21-026502 · form4.xml · derivative · entry 1

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,204.014

Underlying: Common Stock $.01 Par Value ND · 75.3187 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: 0001127602-21-025525 · form4.xml · derivative · entry 2

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,498.5447

Underlying: Common Stock $.01 Par Value ND · 0.2785 shares

Expires not disclosed

F3 · 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.

F5 · 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 will vest upon the earlier of (i) May 6, 2022 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.

F4 · derivative.expiration_date: The RSUs will vest upon the earlier of (i) May 6, 2022 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: 0001127602-21-025525 · form4.xml · derivative · entry 1

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,128.6953

Underlying: Common Stock $.01 Par Value ND · 1.6795 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.

F2 · price: Dividend equivalent rights accrue with respect to these DSUs when and as dividends are paid on the Company'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 (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: 0001213900-21-040113 · ownership.xml · derivative · entry 1

CMLS Holdings III LLC · CIK 0001855339 · Director · 10% owner

C-LSH III LLC · CIK 0001855343 · Director · 10% owner

M-LSH III LLC · CIK 0001855342 · Director · 10% owner

Casdin Eli · CIK 0001534264 · Director · Officer (CEO) · 10% owner

Meister Keith A. · CIK 0001307631 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 13,500,000

Underlying: Class A common stock · 200,000 shares

Expires not disclosed

F1 · derivative.exercise_price: The shares of Class B common stock will automatically convert into shares of Class A common stock at the time of the issuer's initial business combination or earlier at the option of the holder as described under the heading "Description of Securities--Founder Shares" in the Issuer's registration statement on Form S-1 (File No. 333-253475) (the "Registration Statement"), on a one-for-one basis, subject to adjustment for stock splits, stock capitalizations, reorganizations, recapitalizations and the like, and certain anti-dilution rights and have no expiration date.

F1 · price: The shares of Class B common stock will automatically convert into shares of Class A common stock at the time of the issuer's initial business combination or earlier at the option of the holder as described under the heading "Description of Securities--Founder Shares" in the Issuer's registration statement on Form S-1 (File No. 333-253475) (the "Registration Statement"), on a one-for-one basis, subject to adjustment for stock splits, stock capitalizations, reorganizations, recapitalizations and the like, and certain anti-dilution rights and have no expiration date.

F2 · price: Sale of Class B common stock to an independent director of the issuer.

F1 · derivative.exercise_date: The shares of Class B common stock will automatically convert into shares of Class A common stock at the time of the issuer's initial business combination or earlier at the option of the holder as described under the heading "Description of Securities--Founder Shares" in the Issuer's registration statement on Form S-1 (File No. 333-253475) (the "Registration Statement"), on a one-for-one basis, subject to adjustment for stock splits, stock capitalizations, reorganizations, recapitalizations and the like, and certain anti-dilution rights and have no expiration date.

F1 · derivative.expiration_date: The shares of Class B common stock will automatically convert into shares of Class A common stock at the time of the issuer's initial business combination or earlier at the option of the holder as described under the heading "Description of Securities--Founder Shares" in the Issuer's registration statement on Form S-1 (File No. 333-253475) (the "Registration Statement"), on a one-for-one basis, subject to adjustment for stock splits, stock capitalizations, reorganizations, recapitalizations and the like, and certain anti-dilution rights and have no expiration date.

F3 · ownership.direct: CMLS Holdings III LLC is the record holder of the shares reported herein. The Board of Managers of CMLS Holdings III LLC is comprised of Mr. Casdin and Mr. Meister who share voting and investment discretion with respect to the common stock held of record by CMLS Holdings III LLC. C-LSH III LLC and M-LSH III LLC are the members of CMLS Holdings III LLC, and Mr. Casdin and Mr. Meister are the managing members of C-LSH III LLC and M-LSH III LLC, respectively. Each of C-LSH III LLC, M-LSH III LLC and Messrs. Casdin and Meister disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein.

F3 · ownership.nature: CMLS Holdings III LLC is the record holder of the shares reported herein. The Board of Managers of CMLS Holdings III LLC is comprised of Mr. Casdin and Mr. Meister who share voting and investment discretion with respect to the common stock held of record by CMLS Holdings III LLC. C-LSH III LLC and M-LSH III LLC are the members of CMLS Holdings III LLC, and Mr. Casdin and Mr. Meister are the managing members of C-LSH III LLC and M-LSH III LLC, respectively. Each of C-LSH III LLC, M-LSH III LLC and Messrs. Casdin and Meister disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein.

SEC source: 0001127602-21-021386 · form4.xml · derivative · entry 1

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,127.0158

Underlying: Common Stock $.01 Par Value ND · 76.2016 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: 0001127602-21-020216 · form4.xml · derivative · entry 2

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,498.2662

Underlying: Common Stock $.01 Par Value ND · 0.2662 shares

Expires not disclosed

F3 · derivative.exercise_price: Restricted Stock Units ("RSUs") granted under the Company's 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.

F5 · 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 will vest upon the earlier of (i) May 6, 2022 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.

F4 · derivative.expiration_date: The RSUs will vest upon the earlier of (i) May 6, 2022 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: 0001127602-21-020216 · form4.xml · derivative · entry 1

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,050.8142

Underlying: Common Stock $.01 Par Value ND · 1.6009 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.

F2 · price: Dividend equivalent rights accrue with respect to these DSUs when and as dividends are paid on the Company'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 (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: 0001127602-21-015928 · form4.xml · derivative · entry 3

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,498

Underlying: Common Stock $.01 Par Value ND · 4,498 shares

Expires not disclosed

F1 · derivative.exercise_price: Restricted Stock Units ("RSUs") granted under the Company's 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.

F4 · derivative.exercise_date: The RSUs will vest upon the earlier of (i) May 6, 2022 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.

F4 · derivative.expiration_date: The RSUs will vest upon the earlier of (i) May 6, 2022 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: 0001127602-21-015928 · form4.xml · derivative · entry 2

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,049.2133

Underlying: Common Stock $.01 Par Value ND · 10,050.7798 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.

F3 · 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.

F3 · 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.

F3 · 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: 0001127602-21-015928 · form4.xml · derivative · entry 1

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock $.01 Par Value ND · 10,050.7798 shares

Expires 2021-05-05

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 Company's 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 · derivative.exercise_date: The RSUs vested on May 5, 2021 subject to the terms of the Plan and applicable award agreement.

F2 · derivative.expiration_date: The RSUs vested on May 5, 2021 subject to the terms of the Plan and applicable award agreement.

SEC source: 0001127602-21-012825 · form4.xml · derivative · entry 1

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,998.4335

Underlying: Common Stock $.01 Par Value ND · 59.2261 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: 0001127602-21-011216 · form4.xml · derivative · entry 2

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,050.7798

Underlying: Common Stock $.01 Par Value ND · 0.6134 shares

Expires not disclosed

F3 · derivative.exercise_price: Restricted Stock Units ("RSUs") granted under the Company's 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.

F5 · 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 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.

F4 · 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: 0001127602-21-011216 · form4.xml · derivative · entry 1

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,939.2074

Underlying: Common Stock $.01 Par Value ND · 1.0338 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.

F2 · price: Dividend equivalent rights accrue with respect to these DSUs when and as dividends are paid on the Company'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 (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: 0000899243-21-008480 · doc4.xml · nonDerivative · entry 6

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 15,673,778

F8 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $37.79 to $38.47, inclusive.

F2 · ownership.nature: These securities are held for the accounts of certain private investment funds for which Corvex Management LP ("Corvex") acts as investment adviser, including Corvex Master Fund LP and Corvex Select Equity Master Fund LP. The general partner of Corvex is controlled by the Reporting Person.

F3 · ownership.nature: For purposes of Section 16 of the Securities Exchange Act of 1934, the Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 or any other purpose.

SEC source: 0000899243-21-008480 · doc4.xml · nonDerivative · entry 5

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 17,280,518

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $36.79 to $37.78, inclusive.

F2 · ownership.nature: These securities are held for the accounts of certain private investment funds for which Corvex Management LP ("Corvex") acts as investment adviser, including Corvex Master Fund LP and Corvex Select Equity Master Fund LP. The general partner of Corvex is controlled by the Reporting Person.

F3 · ownership.nature: For purposes of Section 16 of the Securities Exchange Act of 1934, the Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 or any other purpose.

SEC source: 0000899243-21-008480 · doc4.xml · nonDerivative · entry 4

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 17,814,036

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $38.45 to $38.95, inclusive.

F2 · ownership.nature: These securities are held for the accounts of certain private investment funds for which Corvex Management LP ("Corvex") acts as investment adviser, including Corvex Master Fund LP and Corvex Select Equity Master Fund LP. The general partner of Corvex is controlled by the Reporting Person.

F3 · ownership.nature: For purposes of Section 16 of the Securities Exchange Act of 1934, the Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 or any other purpose.

SEC source: 0000899243-21-008480 · doc4.xml · nonDerivative · entry 3

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 17,819,733

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $37.45 to $38.44, inclusive.

F2 · ownership.nature: These securities are held for the accounts of certain private investment funds for which Corvex Management LP ("Corvex") acts as investment adviser, including Corvex Master Fund LP and Corvex Select Equity Master Fund LP. The general partner of Corvex is controlled by the Reporting Person.

F3 · ownership.nature: For purposes of Section 16 of the Securities Exchange Act of 1934, the Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 or any other purpose.

SEC source: 0000899243-21-008480 · doc4.xml · nonDerivative · entry 2

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 18,557,172

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $36.45 to $37.44, inclusive.

F2 · ownership.nature: These securities are held for the accounts of certain private investment funds for which Corvex Management LP ("Corvex") acts as investment adviser, including Corvex Master Fund LP and Corvex Select Equity Master Fund LP. The general partner of Corvex is controlled by the Reporting Person.

F3 · ownership.nature: For purposes of Section 16 of the Securities Exchange Act of 1934, the Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 or any other purpose.

SEC source: 0000899243-21-008480 · doc4.xml · nonDerivative · entry 1

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 19,982,888

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $38.40 to $39.24, inclusive. The Reporting Person undertakes to provide to MGM Resorts International (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 ranges set forth in footnotes (1), (4), (5), (6), (7), and (8) to this Form 4.

F2 · ownership.nature: These securities are held for the accounts of certain private investment funds for which Corvex Management LP ("Corvex") acts as investment adviser, including Corvex Master Fund LP and Corvex Select Equity Master Fund LP. The general partner of Corvex is controlled by the Reporting Person.

F3 · ownership.nature: For purposes of Section 16 of the Securities Exchange Act of 1934, the Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 or any other purpose.

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: 0001127602-20-031833 · form4.xml · derivative · entry 2

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,050.1664

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

Expires not disclosed

F3 · 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.

F5 · 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 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.

F4 · 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: 0001127602-20-031833 · form4.xml · derivative · entry 1

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,224.1146

Underlying: Common Stock $.01 Par Value ND · 1.3185 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: 0001127602-20-026380 · form4.xml · derivative · entry 1

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,222.7961

Underlying: Common Stock $.01 Par Value ND · 1,034.4828 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.

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: 0001127602-20-025385 · form4.xml · derivative · entry 2

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,049.3496

Underlying: Common Stock $.01 Par Value ND · 1.0582 shares

Expires not disclosed

F3 · 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.

F5 · 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 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.

F4 · 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: 0001127602-20-025385 · form4.xml · derivative · entry 1

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,188.3133

Underlying: Common Stock $.01 Par Value ND · 1.5993 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: 0001127602-20-021005 · form4.xml · derivative · entry 1

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,186.714

Underlying: Common Stock $.01 Par Value ND · 1,339.2857 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.

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: 0001127602-20-019999 · form4.xml · derivative · entry 2

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,048.2914

Underlying: Common Stock $.01 Par Value ND · 1.2914 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"). Each RSU represents the right to receive, following vesting, one share of Company common stock. Any fractional shares are paid in cash upon settlement.

F6 · price: Dividend equivalent rights accrue with respect to these RSUs when and as dividends are paid on MGM Resorts International'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 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.

F5 · derivative.expiration_date: RSUs do not have an expiration date.

F7 · balance_after: Due to a clerical error, the Form 4 filed on May 8, 2020 incorrectly stated that 10,040 RSUs had been granted to the Reporting Person. The actual number of RSUs granted was 10,047. The current holdings have been updated to reflect this correction.

SEC source: 0001127602-20-019999 · form4.xml · derivative · entry 1

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,847.4283

Underlying: Common Stock $.01 Par Value ND · 1.7796 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: 0001127602-20-015981 · form4.xml · derivative · entry 1

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,040

Underlying: Common Stock $.01 Par Value ND · 10,040 shares

Expires not disclosed

F1 · derivative.exercise_price: Restricted Stock Units ("RSUs") granted under the MGM Resorts International (the "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. For purposes of Section 16 of the Securities Exchange Act of 1934, the Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 or any other purpose.

F2 · 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. Any fractional shares will be paid in cash upon settlement.

F2 · 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. Any fractional shares will be paid in cash upon settlement.

SEC source: 0001127602-20-015541 · form4.xml · derivative · entry 2

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,845.6487

Underlying: Common Stock $.01 Par Value ND · 6,006.0544 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.

F3 · 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 common stock. The DSUs become payable upon the reporting person's termination of service as a Director.

F3 · 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 common stock. The DSUs become payable upon the reporting person's termination of service as a Director.

F3 · 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 common stock. The DSUs become payable upon the reporting person's termination of service as a Director.

SEC source: 0001127602-20-015541 · form4.xml · derivative · entry 1

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock $.01 Par Value ND · 6,006.0544 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 (the "Plan"). Each RSU represents the right to receive, following vesting, one share of MGM Resorts International common stock. Any fractional shares are paid in cash upon settlement.

F2 · derivative.exercise_date: The RSUs vested on May 2, 2020 subject to the terms of the Plan and applicable award agreement.

F2 · derivative.expiration_date: The RSUs vested on May 2, 2020 subject to the terms of the Plan and applicable award agreement.

SEC source: 0001567619-20-007414 · doc1.xml · nonDerivative · entry 1

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 22,537,696

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $10.86 to $11.00, inclusive. The Reporting Person undertakes to provide to MGM Resorts International (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: These securities are held for the accounts of certain private investment funds for which Corvex Management LP ("Corvex") acts as investment adviser, including Corvex Master Fund LP and Corvex Select Equity Master Fund LP. The general partner of Corvex is controlled by the Reporting Person.

F3 · ownership.nature: For purposes of Section 16 of the Securities Exchange Act of 1934, the Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 or any other purpose.

SEC source: 0000899243-20-009792 · doc4.xml · nonDerivative · entry 1

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 22,437,696

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $11.565 to $12.35, inclusive. The Reporting Person undertakes to provide to MGM Resorts International (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: These securities are held for the accounts of certain private investment funds for which Corvex Management LP ("Corvex") acts as investment adviser, including Corvex Master Fund LP and Corvex Select Equity Master Fund LP. The general partner of Corvex is controlled by the Reporting Person.

F3 · ownership.nature: For purposes of Section 16 of the Securities Exchange Act of 1934, the Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 or any other purpose.

SEC source: 0001127602-20-012874 · form4.xml · derivative · entry 1

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,839.5943

Underlying: Common Stock $.01 Par Value ND · 1,906.7797 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 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 Deferred Compensation Plan for Non-Employee Directors. Each DSU is the economic equivalent of one share of 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 common stock. The DSUs become payable upon the reporting person's termination of service as a Director.

SEC source: 0001567619-20-007220 · doc1.xml · nonDerivative · entry 1

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 21,437,696

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $10.60 to $12.01, inclusive. The Reporting Person undertakes to provide to MGM Resorts International (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: These securities are held for the accounts of certain private investment funds for which Corvex Management LP ("Corvex") acts as investment adviser, including Corvex Master Fund LP and Corvex Select Equity Master Fund LP. The general partner of Corvex is controlled by the Reporting Person.

F3 · ownership.nature: For purposes of Section 16 of the Securities Exchange Act of 1934, the Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 or any other purpose.

SEC source: 0001127602-20-011310 · form4.xml · derivative · entry 2

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,006.0544

Underlying: Common Stock $.01 Par Value ND · 86.6258 shares

Expires not disclosed

F3 · derivative.exercise_price: Restricted Stock Units ("RSUs") granted under the MGM Resorts International Amended and Restated 2005 Omnibus Incentive Plan (the "Plan"). Each RSU represents the right to receive, following vesting, one share of MGM Resorts International common stock. Any fractional shares will be paid in cash upon settlement.

F6 · price: Dividend equivalent rights accrue with respect to these RSUs when and as dividends are paid on MGM Resorts International'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 will vest upon the earlier of (i) May 2, 2020 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.

F5 · derivative.expiration_date: RSUs do not have an expiration date.

SEC source: 0001127602-20-011310 · form4.xml · derivative · entry 1

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,932.8146

Underlying: Common Stock $.01 Par Value ND · 85.5694 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 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 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 common stock. The DSUs become payable upon the reporting person's termination of service as a Director.

SEC source: 0001127602-20-000804 · form4.xml · derivative · entry 1

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,847.2452

Underlying: Common Stock $.01 Par Value ND · 676.2849 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 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 Deferred Compensation Plan for Non-Employee Directors. Each DSU is the economic equivalent of one share of 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 common stock. The DSUs become payable upon the reporting person's termination of service as a Director.

SEC source: 0001127602-19-035443 · form4.xml · derivative · entry 2

Meister Keith A. · CIK 0001307631 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,919.4286

Underlying: Common Stock $.01 Par Value ND · 23.2626 shares

Expires not disclosed

F3 · derivative.exercise_price: Restricted Stock Units ("RSUs") granted under the MGM Resorts International Amended and Restated 2005 Omnibus Incentive Plan (the "Plan"). Each RSU represents the right to receive, following vesting, one share of MGM Resorts International common stock.

F6 · price: Dividend equivalent rights accrue with respect to these RSUs when and as dividends are paid on MGM Resorts International'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 will vest upon the earlier of (i) May 2, 2020 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. Any fractional shares will be paid in cash upon settlement.

F5 · derivative.expiration_date: RSUs do not have an expiration date.