X0306 4/A 2019-03-06 2019-03-06 0000789570 MGM Resorts International MGM 0001599796 GAY MARY CHRISTINE 3600 LAS VEGAS BOULEVARD SOUTH LAS VEGAS NV 89109 1 Common Stock $.01 Par Value ND 2019-03-06 4 P 0 3700 27.2666 A 18036 D This amendment is being filed to correct the footnote in the original filing that incorrectly referenced the reported transaction as a sale instead of a purchase. The original footnote should have stated: "The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $27.2665 to $27.2667, 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." /s/ Andrew Hagopian III, Attorney-In-Fact 2019-03-06