0000766421-26-000010 Sample Contracts

Supplemental Agreement No. 29 to
Supplemental Agreement • February 12th, 2026 • Alaska Air Group, Inc. • Air transportation, scheduled

December 31, 2025, is by and between THE BOEING COMPANY (Boeing) and ALASKA AIRLINES, INC. (Customer) (Boeing and Customer collectively, Parties). All capitalized terms used but not defined herein shall have the same meaning as in the Purchase Agreement.

Supplemental Agreement No. 28 to
Supplemental Agreement • February 12th, 2026 • Alaska Air Group, Inc. • Air transportation, scheduled

November 26, 2025, is by and between THE BOEING COMPANY (Boeing) and ALASKA AIRLINES, INC. (Customer) (Boeing and Customer collectively, Parties). All capitalized terms used but not defined herein shall have the same meaning as in the Purchase Agreement.

PURCHASE AGREEMENT NUMBER PA-5608 between THE BOEING COMPANY and ALASKA AIRLINES, INC. relating to BOEING MODEL 787 AIRCRAFT
Purchase Agreement • February 12th, 2026 • Alaska Air Group, Inc. • Air transportation, scheduled

This Purchase Agreement No. PA-5608 between The Boeing Company (Boeing) and Alaska Airlines, Inc., (Customer), binding and in full force and effect on the date executed below (Effective Date), relating to the purchase and sale of Model 787 aircraft together with all tables, exhibits, supplemental exhibits, letter agreements and other attachments thereto, if any, (Purchase Agreement) incorporates the terms and conditions (except as specifically set forth below) of the Aircraft General Terms Agreement dated as of August 8, 2025 between the parties, identified as AGTA-ASA-A (AGTA).

Supplemental Agreement No. 01 to
Supplemental Agreement • February 12th, 2026 • Alaska Air Group, Inc. • Air transportation, scheduled

December 31, 2025, is by and between THE BOEING COMPANY (Boeing) and ALASKA AIRLINES, INC. (Customer) (Boeing and Customer collectively, Parties). All capitalized terms used but not defined herein shall have the same meaning as in the Purchase Agreement.