X0306 4 2022-03-18 0 0001653653 Red Rock Resorts, Inc. RRR 0001708624 Welch Jeffrey T C/O RED ROCK RESORTS, INC. 1505 SOUTH PAVILION CENTER DRIVE LAS VEGAS NV 89135 0 1 0 0 EVP and Chief Legal Officer CLASS A COMMON STOCK 2022-03-18 4 A 0 23835 0.00 A 140938 D STOCK OPTION 47.20 2022-03-18 4 A 0 52916 0.00 A 2029-03-18 CLASS A COMMON STOCK 52916 52916 D Represents a restricted stock award (the "Restricted Stock Award) pursuant to the Issuer's Amended and Restated 2016 Equity Incentive Plan. The Restricted Stock Award vests in two equal installments beginning on March 18, 2025, subject to the Reporting Person's continued service with Registrant. Represents a stock option award (the "Stock Option Award") pursuant to the Issuer's Amended and Restated 2016 Equity Incentive Plan. The Stock Option Award vests in three equal annual installments beginning on March 18, 2024, subject to the Reporting Person's continued service with the Registrant. /s/ Jeffrey T. Welch 2022-03-21