X0306 4 2018-02-16 false 0000766421 ALASKA AIR GROUP, INC. ALK 0001274498 PEDERSEN BRANDON 19300 INTERNATIONAL BLVD SEATTLE WA 98188 false true false false EXEC VP/FINANCE & CFO COMMON STOCK 2018-02-16 4 S false 2700 65.1403 D 26888 D TOTAL HELD IN COLUMN 5 INCLUDES 3,050 UNVESTED RESTRICTED STOCK UNITS GRANTED ON 2/9/2016 UNDER THE ISSUER'S 2008 PERFORMANCE INCENTIVE PLAN. THE PRICE REPORTED IN COLUMN 4 IS A WEIGHTED AVERAGE PRICE. THESE SHARES SOLD IN MULTIPLE TRANSACTIONS AT PRICES RANGING FROM $65.1401 TO $65.1450, INCLUSIVE. THE REPORTING PERSON UNDERTAKES TO PROVIDE TO ALASKA AIR GROUP, ANY SECURITY HOLDER OF ALASKA AIR GROUP, 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 RANGES SET FORTH IN THIS FOOTNOTE. /S/ JEANNE E. GAMMON, ATTORNEY IN FACT FOR BRANDON S. PEDERSEN 2018-02-21