X0306 4 2022-04-01 0000789570 MGM Resorts International MGM 0001494424 SANDERS COREY IAN 3600 LAS VEGAS BLVD., S. LAS VEGAS NV 89109 1 CHIEF OPERATING OFFICER Common Stock $.01 Par Value ND 2022-04-01 4 M 0 8855 0 A 324655 D Common Stock $.01 Par Value ND 2022-04-01 4 F 0 3486 41.87 D 321169 D Common Stock $.01 Par Value ND 2022-04-01 4 S 0 12966 41.8518 D 308203 D Common Stock $.01 Par Value ND 2022-04-04 4 S 0 17034 42.4383 D 291169 D Common Stock $.01 Par Value ND 36465 I By CIS Trust Restricted Stock Units 2022-04-01 4 M 0 8855 0 D 2021-04-01 2024-04-01 Common Stock $.01 Par Value ND 8855 17710 D The sale reported was effected pursuant to a Rule 10b5-1 trading plan entered into by the Reporting Person. The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.45 to $42.36, 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. The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $42.00 to $42.71, 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. 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. The RSUs vest in four equal annual installments commencing on the first anniversary of the grant date. Any fractional shares are paid in cash upon settlement. /s/ Jessica Cunningham, Attorney-In-Fact 2022-04-05