Supplemental Agreement No. 8
Purchase Agreement No. 1810
The Boeing Company
SOUTHWEST AIRLINES CO.
Relating to Boeing Model 737-7H4 Aircraft
THIS SUPPLEMENTAL AGREEMENT, entered into as of March 20, 1999, by and between THE BOEING
COMPANY, a Delaware corporation with its principal offices in Seattle, Washington, (Boeing) and
SOUTHWEST AIRLINES CO., a Texas corporation with its principal offices in City of Dallas, State of Texas
WHEREAS, the parties hereto entered into Purchase Agreement No. 1810 dated January 19, 1994, relating to
Boeing Model 737-7H4 aircraft (the Agreement) and;
WHEREAS, Buyer has agreed to exercise the option to purchase six (6) additional Option Aircraft and to
accelerate delivery of those Option Aircraft from July 2006 (2) and October 2006 four (4) to June 2000 three
(3), July 2000 one (1) and August 2000 two (2);
NOW THEREFORE, in consideration of the mutual covenants herein contained, the parties agree to amend the
Agreement as follows:
*** PURSUANT TO 17 CFR, 240.246-2, CONFIDENTIAL INFORMATION HAS BEEN
OMITTED AND HAS BEEN FILED SEPARATELY WITH THE SECURITIES AND EXCHANGE
COMMISSION PURSUANT TO A CONFIDENTIAL TREATMENT APPLICATION FILED WITH THE
P.A. No. 1810 SA-8-1
1. The Table of Contents of the Agreement is deleted in its entirety and a new Table of Contents is attached
hereto and incorporated into the Agreement by this reference.
2. Article 1, entitled "Subject Matter of Sale," paragraph 1.1 entitled "The Aircraft" is deleted in its entirety and
replaced by a new paragraph 1.1 revised to reflect one hundred thirty-six (136) Aircraft. Such new page 1-1 is
attached hereto and incorporated into the Agreement by this reference.
3. Article 2, entitled "Delivery, Title and Risk of Loss," paragraph 2.1, entitled "Time of Delivery," is deleted in its
entirety and replaced by a new paragraph 2.1 revised to add three (3) Block "L" Aircraft for delivery in June
2000, to add one (1) Block "