X0306 4 2018-02-07 0 0000793733 SKYWEST INC SKYW 0001393687 Childs Russell A 444 S RIVER ROAD ST. GEORGE UT 84790 1 1 0 0 President & CEO Common Stock 2018-02-07 4 A 0 36639 0 A 130130 D Common Stock 2018-02-07 4 A 0 14521 0 A 144651 D Common Stock 2018-02-07 4 A 0 12734 0 A 157385 D Represents the number of shares of common stock issued upon the achievement of the performance measurements relating to performance stock units granted in February 2015 pursuant to the SkyWest, Inc. Long-Term Incentive Plan, which shares will vest in full three years from the date of grant. Represents the adjusted total which reflects a gift of 3,730 shares made on October 20, 2016. Includes 88,129 restricted stock units which vest three years from the date of grant. Each restricted stock unit represents a contingent right to receive one share of common stock. Represents the number of shares of common stock issued upon the achievement of the performance measurements relating to performance stock units granted in February 2017 pursuant to the SkyWest, Inc. Long-Term Incentive Plan, which shares will vest in full three years from the date of grant. Shares issued pursuant to the SkyWest, Inc. Long-Term Incentive Plan. Includes 102,650 restricted stock units which vest three years from the date of grant. Each restricted stock unit represents a contingent right to receive one share of common stock. Includes 115,834 restricted stock units which vest three years from the date of grant. Each restricted stock unit represents a contingent right to receive one share of common stock. Russell A. Childs 2018-02-09