Disclosure Regarding Confidential Information Clause Samples

Disclosure Regarding Confidential Information. Portions of pages 55 and 60 of the Purchase Agreement and portions of pages 2-5, 7-9, 14, 19, 20, 24-27, 29, 30, 43, 44, 48, 50, 51, 53, 56 and 59 of the Supplements and Schedules thereto of the Purchase Agreement have been omitted from this Exhibit 10.20 to the Annual Report on Form 10-K filed with the Securities and Exchange Commission (the "Commission") by SkyWest, Inc. The omitted portions, which are the subject of an application for confidential treatment and have been filed separately with the Commission, are identified in this exhibit by the placement of this legend. SCHEDULE 3 TO SUPPLEMENT NO. PA-428-1 ECONOMIC ADJUSTMENT FORMULA Pursuant to the provision of Article 4 of the Agreement, economic adjustment will be calculated using the following Economic Adjustment Formula: Pp = PO(O.28 LD+0.35 ED+0.20 CD+0.15 MD+0.02 FD) -- -- -- -- -- LO EO co MO OF Where: Pp = Aircraft Purchase Price; Po = Base Price; LD = the Canadian tabour index based upon arithmetic the average of the indices for the fourth, fifth and sixth months prior to the month of delivery of the relevant Aircraft;