Supplemental Agreement No. 10
 
to
 
Purchase Agreement No. 03729
 
between
 
THE BOEING COMPANY
 
and
 
SOUTHWEST AIRLINES CO.
 
Relating to Boeing Model 737-8 and 737-7 Aircraft

THIS SUPPLEMENTAL AGREEMENT No. 10 (SA-10), entered into as of March 29, 2018,
is made between THE BOEING COMPANY, a Delaware corporation (Boeing), and
SOUTHWEST AIRLINES CO., a Texas corporation (Customer).
RECITALS:

WHEREAS, Customer and Boeing entered into Purchase Agreement Number PA-03729
dated December 13, 2011, as amended and supplemented, (Purchase Agreement)
relating to the purchase and sale of Boeing Model 737-8 (737-8 Aircraft) and
Model 737-7 aircraft (737-7 Aircraft); collectively the “Aircraft”. This SA‑10
is an amendment to and is incorporated into the Purchase Agreement. Capitalized
terms used herein but not otherwise defined will have the meaning set forth in
the Purchase Agreement.
WHEREAS, Customer has elected to exercise its right to purchase forty (40)
option aircraft (the “Exercised Option Aircraft”), and to accelerate the
scheduled deliveries of certain 737-8 Aircraft, as identified in Table 1A,
Aircraft Delivery, Description, Price, and Advance Payments 737-8 Aircraft,
attached hereto.
NOW, THEREFORE, the parties agree that the Purchase Agreement is amended as set
forth below and otherwise agree as follows:
1. TABLE OF CONTENTS.

The Table of Contents of the Purchase Agreement is deleted in its entirety and
replaced with a new Table of Contents (attached), which lists the Tables,
Exhibits, and Letter Agreements revised by this SA‑10 and is identified by
“SA‑10”. Such revised Table of Contents is incorporated into the Purchase
Agreement by this reference.

***Pursuant to 17 CFR 240.24b-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 Commission.

SWA-PA-03729

1
SA-10
 
BOEING PROPRIETARY

 

--------------------------------------------------------------------------------

 
 
 

2. TABLES.

Table 1A, Aircraft Delivery, Description, Price and Advance Payments - 737-8
Aircraft, is deleted in its entirety and replaced by a new Table 1A (identified
by "SA-10") attached hereto and incorporated into the Purchase Agreement by this
reference.

3. LETTER AGREEMENTS.

Attachment 1 to Letter Agreement SWA-PA-03729-LA-1106474R2, Option Aircraft, is
deleted in its entirety and is replaced with the attached revised Attachment 1
to Letter Agreement SWA-PA-03729-LA-1106474R2.

4. ADVANCE PAYMENT IMPACTS.

4.1 The revisions applied to Table 1A, Aircraft Delivery, Description, Price and
Advance Payments - 737-8 Aircraft, result in ***

4.2 ***

4.3 ***

The Purchase Agreement is deemed to be supplemented to the extent herein
provided and as so supplemented will continue in full force and effect.

EXECUTED IN DUPLICATE as of the day and year first above written.
 
THE BOEING COMPANY
SOUTHWEST AIRLINES CO.
 
 
By: /s/ Kyle Kersavage
By: /s/ Chris Monroe
 
      Chris Monroe
Its: Attorney-In-Fact 
Its: SVP, Finance

SWA-PA-03729

2
SA-10
 
BOEING PROPRIETARY

 

--------------------------------------------------------------------------------

TABLE OF CONTENTS

ARTICLES
TITLES
 
 
 
Article 1
Quantity, Model and Description
SA-2
 
 
 
Article 2
Delivery Schedule
 
 
Article 3
Price
 
 
 
Article 4
Payment
SA-2
 
 
 
Article 5
Additional Terms
 
 
TABLE
TITLE
 
 
 
1A
737-8 Aircraft Information Table
SA-10
 
 
 
1B
737-7 Aircraft Information Table
SA-8
 
 
 
EXHIBIT
 
 
 
A1
737-8 Aircraft Configuration
SA-8
 
 
 
A2
737-7 Aircraft Configuration
SA-8
 
 
 
B*
Aircraft Delivery Requirements and Responsibilities
 
 
SUPPLEMENTAL EXHIBITS
TITLES
 
 
AE1*
Escalation Adjustment/Airframe and Optional Features
 
 
BFE1
BFE Variables for 737-8
SA-7
 
 
BFE2
BFE Variables for 737-7
SA-8
 
 
CS1
Customer Support Variables
 
 
CS1-7MAX
Customer Support Variables
SA-2
 
 
 
EE1*
Engine Escalation/Engine Warranty and Patent Indemnity
 
 
SLP1*
Service Life Policy Components

LETTER AGREEMENTS
TITLES
SWA-PA-03729-LA-1106463R3
Open Matters
SA-8

SWA-PA-03729
 
SA-10
 
BOEING PROPRIETARY
Page 1

--------------------------------------------------------------------------------

LETTER AGREEMENTS
TITLES
 
 
 
 
SWA-PA-03729-LA-1106464*
***
 
 
 
 
SWA-PA-03729-LA-1106465*

***
 
 
SWA-PA-03729-LA-1106466

***
 
 
 
SWA-PA-03729-LA-1106467R2

***
SA-8
 
 
 
SWA-PA-03729-LA-1106468*

***
 
 
 
SWA-PA-03729-LA-1106469R1

***
SA-2
 
 
 
SWA-PA-03729-LA-1106470R1

***
SA-2
 
 
 
SWA-PA-03729-LA-1106471R1

Substitute Aircraft
SA-2
 
 
 
SWA-PA-03729-LA-1106473R1

***
SA-5
 
 
 
SWA-PA-03729-LA-1106474R2

Option Aircraft
SA-8
 
Attachment 1
SA-10
 
 
 
SWA-PA-03729-LA-1106475R3
***
SA-8
 
 
 
SWA-PA-03729-LA-1106476R2
***
SA-8
 
 
 
SWA-PA-03729-LA-1106477*

***
 
 
SWA-PA-03729-LA-1106478

***
 
 
 
SWA-PA-03729-LA-1106479R1

***
SA-2
 
 
 
SWA-PA-03729-LA-1106480R1

***
SA-2
 
 
 
SWA-PA-03729-LA-1106481R2

***
SA-2
 
 
 
SWA-PA-03729-LA-1106482*

***
 
 
SWA-PA-03729-LA-1106483*

***
 
 
SWA-PA-03729-LA-1106484R1
***
SA-8
 
Attachment A
SA-8
 
Attachment B
SA-8
 
 
 
SWA-PA-03729-LA-1106485*

***
 
 
 
SWA-PA-03729-LA-1209080

***
SA-1
 
 
 

SWA-PA-03729
 
SA-10
 
BOEING PROPRIETARY
Page 2

--------------------------------------------------------------------------------

LETTER AGREEMENTS
TITLES
 
 
 
 
SWA-PA-03729-LA-1210419

***
 
 
 
SA-1
 
 
 
SWA-PA-03729-LA-1300943

***
SA-2
 
 
 
SWA-PA-03729-LA-1301168R3

***
SA-6
 
 
 
SWA-PA-03729-LA-1301170R2
***
SA-8
 
 
 
SWA-PA-03729-LA-1400371
***
SA-7
 
 
 
SASWA-PA-03729-LA-1503792

Service Ready Operational Validation
SA-6
 
 
 
SWA-PA-03729-LA-1500831

***
SA-7
 
 
 
SWA‑PA‑03729‑LA‑1602486

***
SA-5

* Denotes revision to Page 1 or Page 2 only to reference 737-7 (SA-2)

SWA-PA-03729
 
SA-10
 
BOEING PROPRIETARY
Page 3

--------------------------------------------------------------------------------

INACTIVE / DELETED TABLES, EXHIBITS, AND LETTER AGREEMENTS

RESTRICTED LETTER AGREEMENTS

Letter Agreement
Title
Last Updated under SA
Current Status
SWA-PA-03729-LA- 1106472R1

***
SA-2
Deleted under SA-4
SWA-PA- 01810/03729-LA- 1301169
***
SA-2
Deleted under SA-4

SWA-PA-03729
 
SA-10
 
BOEING PROPRIETARY
Page 4

--------------------------------------------------------------------------------

 
Table 1A To
 
 
Purchase Agreement No. PA-03729
 
 
Aircraft Delivery, Description, Price and Advance Payments
 
 
737-8 Aircraft
 

Airframe Model/MTOW:
737-8
181,200 pounds
 
Detail Specification:
 
D019A008-P (5/1/2017)

 
 
 
Engine Model/Thrust:
CFMLEAP-1B28(2)
28,800 pounds
 
Airframe Price Base Year/Escalation Formula:
 
Jul-11
 
ECI-MFG/CPI
 
Airframe Price:
 
***
 
Engine Price Base Year/Escalation Formula:
 
N/A
 
N/A
 
Optional Features:
 
***
 
 
 
 
 
 
 
Sub-Total of Airframe and Features:
 
***
 
Airframe Escalation Data:
 
 
 
 
 
Engine Price (Per Aircraft):
 
***
 
Base Year Index (ECI):
 
 
***
 
 
Aircraft Basic Price (Excluding BFE/SPE):
 
***
 
Base Year Index (CPI
 
 
***
 
 
Buyer Furnished Equipment (BFE) Estimate:
 
***
 
 
 
 
 
 
 
Seller Purchased Equipment (SPE) Estimate:
 
***
 
 
 
 
 
 
 

Delivery

Date*

Number of

Aircraft
Escalation

Factor

(Airframe)
Manufacturer

Serial

Number**
Escalation

Factor

Aircraft

Block
Notes
Escalation Estimate

Adv Payment Base

Price Per A/P
Advance Payment Per Aircraft (Amts. Due/Mos. Prior to Delivery):

At Signing

***

24 Mos.

***

21/18/12/9/6 Mos.

***
Total

***
Jul-2017
1
***
36929†
***
A
Note 1
***
***
***
***
***
Jul-2017
2
***
42558†, 42559†
***
C
Note 1
***
***
***
***
***
Aug-2017
3
***
36979, 36930, 36984
***
A
Note 1
***
***
***
***
***
Aug-2017
3
***
42563, 42566†, 42567
***
C
Note 1
***
***
***
***
***
Sep-2017
1
***
36934
***
A
Note 1
***
***
***
***
***
Oct-2017
1
***
42544
***
A
 
***
***
***
***
***
Oct-2017
1
***
42570
***
C
 
***
***
***
***
***
Nov-2017
1
***
36988†
***
A
 
***
***
***
***
***
Dec-2017
1
***
42554†
***
C
 
***
***
***
***
***
Mar-2018
1
***
36989†
***
A
 
***
***
***
***
***
Mar-2018
1
***
42571
***
C
 
***
***
***
***
***
Apr-2018
1
***
42546
***
A
 
***
***
***
***
***
Jun-2018
1
***
42572
***
C
 
***
***
***
***
***
Jun-2018
1
***
42547
***
A
 
***
***
***
***
***
Jul-2018
1
***
42556†
***
C
 
***
***
***
***
***
Aug-2018
3
***
42548, 37019, 42549
***
A
 
***
***
***
***
***
Aug-2018
1
***
42574
***
 
 
***
***
***
***
***
Aug-2018
1
***
42575
***
 
 
***
***
***
***
***
Sep-2018
2
***
42573, 42576
***
 
 
***
***
***
***
***
Dec-2018
1
***
42577
***
 
 
***
***
***
***
***
Dec-2018
4
***
37042, 42550, 42551, 37043
***
A
 
***
***
***
***
***
Jul-2019
1
***
42633
***
 
 
***
***
***
***
***
Jul-2019
2
***
65437, 65436
***
E OPEX
 
***
***
***
***
***
Aug-2019
3
***
42634, 42637, 42641
***
 
 
***
***
***
***
***
Sep-2019
2
***
65471, 65438
***
E OPEX
 
***
***
***
***
***
Oct-2019
4
***
42646, 42647, 42661, 42662
***
 
 
***
***
***
***
***
Oct-2019
1
***
65439
***
OPEX
 
***
***
***
***
***

 
 
SA-10
SWA-PA-03729 107813 / 108198 / 108732

 
Page 1
 
Boeing Proprietary
 

--------------------------------------------------------------------------------

 
Table 1A To
 
 
Purchase Agreement No. PA-03729
 
 
Aircraft Delivery, Description, Price and Advance Payments
 
 
737-8 Aircraft
 

Delivery

Date*

Number of

Aircraft
Escalation

Factor

(Airframe)
Manufacturer

Serial

Number**
Escalation

Factor

Aircraft

Block
Notes
Escalation Estimate

Adv Payment Base

Price Per A/P
Advance Payment Per Aircraft (Amts. Due/Mos. Prior to Delivery):

At Signing

***

24 Mos.

***

21/18/12/9/6 Mos.

***
Total

***
Oct-2019
1
***
65440
***
OPEX
 
***
***
***
***
***
Nov-2019
1
***
42664
***
 
 
***
***
***
***
***
Nov-2019
1
***
42536
***
A
 
***
***
***
***
***
Nov-2019
1
***
65473
***
D OPEX
 
***
***
***
***
***
Dec-2019
1
***
42666
***
 
 
***
***
***
***
***
Dec-2019
1
***
36722
***
B
 
***
***
***
***
***
Dec-2019
1
***
42537
***
A
 
***
***
***
***
***
Feb-2020
1
***
36727
***
B
 
***
***
***
***
***
Mar-2020
2
***
42579, 42580
***
 
 
***
***
***
***
***
Apr-2020
1
***
42539
***
A
 
***
***
***
***
***
Apr-2020
1
***
65441
***
OPEX
 
***
***
***
***
***
May-2020
1
***
42669
***
 
 
***
***
***
***
***
May-2020
1
***
42553
***
A
 
***
***
***
***
***
May-2020
1
***
35970
***
B
 
***
***
***
***
***
Jun-2020
1
***
42607
***
 
 
***
***
***
***
***
Jun-2020
1
***
65442
***
OPEX
 
***
***
***
***
***
Jul-2020
1
***
42665
***
 
 
***
***
***
***
***
Jul-2020
1
***
42540
***
A
 
***
***
***
***
***
Jul-2020
2
***
65443, 65444
***
OPEX
 
***
***
***
***
***
Aug-2020
2
***
42672, 42673
***
 
 
***
***
***
***
***
Aug-2020
1
***
42541
***
A
 
***
***
***
***
***
Aug-2020
2
***
65445, 65446
***
OPEX
 
***
***
***
***
***
Sep-2020
3
***
42691, 42674, 42694
***
 
 
***
***
***
***
***
Sep-2020
1
***
33941
***
B
 
***
***
***
***
***
Sep-2020
3
***
65447, 65448, 65472
***
OPEX
 
***
***
***
***
***
Oct-2020
1
***
42615
***
 
 
***
***
***
***
***
Oct-2020
1
***
42543
***
A
 
***
***
***
***
***
Oct-2020
1
***
65474
***
OPEX
 
***
***
***
***
***
Nov-2020
2
***
42697, 42699
***
 
 
***
***
***
***
***
Nov-2020
1
***
36733
***
B
 
***
***
***
***
***
Nov-2020
1
***
65475
***
D OPEX
 
***
***
***
***
***
Dec-2020
1
***
42703
***
 
 
***
***
***
***
***
Dec-2020
1
***
33940
***
B
 
***
***
***
***
***
Jan-2021
1
***
35974
***
B
 
***
***
***
***
***
Jan-2021
1
***
65450
***
D OPEX
 
***
***
***
***
***
Jan-2021
1
***
65449
***
OPEX
 
***
***
***
***
***
Feb-2021
1
***
65451
***
D OPEX
 
***
***
***
***
***
Feb-2021
1
***
 
***
OPEX
Note 3
***
***
***
***
***

 
 
SA-10
SWA-PA-03729 107813 / 108198 / 108732

 
Page 2
 
Boeing Proprietary
 

--------------------------------------------------------------------------------

 
Table 1A To
 
 
Purchase Agreement No. PA-03729
 
 
Aircraft Delivery, Description, Price and Advance Payments
 
 
737-8 Aircraft
 

Delivery

Date*

Number of

Aircraft
Escalation

Factor

(Airframe)
Manufacturer

Serial

Number**
Escalation

Factor

Aircraft

Block
Notes
Escalation Estimate

Adv Payment Base

Price Per A/P
Advance Payment Per Aircraft (Amts. Due/Mos. Prior to Delivery):

At Signing

***

24 Mos.

***

21/18/12/9/6 Mos.

***
Total

***
Mar-2021
1
***
42648
***
 
 
***
***
***
***
***
Mar-2021
1
***
65452
***
OPEX
 
***
***
***
***
***
Apr-2021
3
***
42649, 42650, 42651
***
 
 
***
***
***
***
***
Apr-2021
1
***
65454
***
D OPEX
 
***
***
***
***
***
Apr-2021
1
***
65453
***
OPEX
 
***
***
***
***
***
May-2021
3
***
42652, 42653, 42654
***
 
 
***
***
***
***
***
May-2021
1
***
65455
***
D OPEX
 
***
***
***
***
***
May-2021
1
***
65456
***
OPEX
 
***
***
***
***
***
Jun-2021
3
***
42655, 42656, 42670
***
 
 
***
***
***
***
***
Jun-2021
1
***
65457
***
D OPEX
 
***
***
***
***
***
Jul-2021
3
***
42657, 42658, 42671
***
 
 
***
***
***
***
***
Jul-2021
1
***
65460
***
D OPEX
 
***
***
***
***
***
Jul-2021
2
***
65459, 65458
***
OPEX
 
***
***
***
***
***
Jul-2021
1
***
 
***
OPEX
Note 3
***
***
***
***
***
Aug-2021
1
***
65461
***
D OPEX
 
***
***
***
***
***
Aug-2021
4
***
 
***
OPEX
Note 3
***
***
***
***
***
Sep-2021
2
***
65463, 65462
***
OPEX
 
***
***
***
***
***
Sep-2021
2
***
 
***
OPEX
Note 3
***
***
***
***
***
Oct-2021
1
***
65466
***
D OPEX
 
***
***
***
***
***
Oct-2021
2
***
65465, 65464
***
OPEX
 
***
***
***
***
***
Nov-2021
1
***
65467
***
D OPEX
 
***
***
***
***
***
Dec-2021
1
***
65468
***
OPEX
 
***
***
***
***
***
Dec-2021
2
***
 
***
OPEX
Note 3
***
***
***
***
***
Jan-2022
1
***
65469
***
D OPEX
 
***
***
***
***
***
Jan-2022
1
***
65470
***
OPEX
 
***
***
***
***
***
Mar-2022
2
***
42678, 42679
***
 
 
***
***
***
***
***
Apr-2022
3
***
42680, 42681, 42688
***
 
 
***
***
***
***
***
Apr-2022
1
***
 
***
OPEX
Note 3
***
***
***
***
***
May-2022
3
***
42682, 42683, 42684
***
 
 
***
***
***
***
***
Jun-2022
3
***
42685, 42686, 42687
***
 
 
***
***
***
***
***
Jul-2022
2
***
42689, 42690
***
 
 
***
***
***
***
***
Jul-2022
3
***
 
***
OPEX
Note 3
***
***
***
***
***
Aug-2022
2
***
42693, 42695
***
 
 
***
***
***
***
***
Aug-2022
3
***
 
***
OPEX
Note 3
***
***
***
***
***
Oct-2022
2
***
 
***
OPEX
Note 3
***
***
***
***
***
Dec-2022
1
***
 
***
OPEX
Note 3
***
***
***
***
***
Jan-2023
2
***
42560, 42565
***
 
 
***
***
***
***
***
Feb-2023
2
***
42562, 42564
***
 
 
***
***
***
***
***

 
 
SA-10
SWA-PA-03729 107813 / 108198 / 108732

 
Page 3
 
Boeing Proprietary
 

--------------------------------------------------------------------------------

 
Table 1A To
 
 
Purchase Agreement No. PA-03729
 
 
Aircraft Delivery, Description, Price and Advance Payments
 
 
737-8 Aircraft
 

Delivery

Date*

Number of

Aircraft
Escalation

Factor

(Airframe)
Manufacturer

Serial

Number**
Escalation

Factor

Aircraft

Block
Notes
Escalation Estimate

Adv Payment Base

Price Per A/P
Advance Payment Per Aircraft (Amts. Due/Mos. Prior to Delivery):

At Signing

***

24 Mos.

***

21/18/12/9/6 Mos.

***
Total

***
Mar-2023
1
***
42557
***
 
 
***
***
***
***
***
Mar-2023
1
***
36732
***
B
 
***
***
***
***
***
Apr-2023
1
***
42555
***
 
 
***
***
***
***
***
Apr-2023
1
***
38806
***
B
 
***
***
***
***
***
May-2023
2
***
42594, 42568
***
 
 
***
***
***
***
***
Jun-2023
1
***
42581
***
 
 
***
***
***
***
***
Jun-2023
1
***
37034
***
A
 
***
***
***
***
***
Jul-2023
2
***
42597, 42582
***
 
 
***
***
***
***
***
Aug-2023
1
***
42593
***
 
 
***
***
***
***
***
Aug-2023
1
***
42552
***
A
 
***
***
***
***
***
Sep-2023
2
***
42601, 42578
***
 
 
***
***
***
***
***
Oct-2023
1
***
42605
***
 
 
***
***
***
***
***
Oct-2023
1
***
42538
***
A
 
***
***
***
***
***
Nov-2023
1
***
38815
***
B
 
***
***
***
***
***
Dec-2023
1
***
42583
***
 
 
***
***
***
***
***
Jan-2024
3
***
42611, 42584, 42585
***
 
 
***
***
***
***
***
Feb-2024
3
***
42612, 42596, 42599
***
 
 
***
***
***
***
***
Mar-2024
3
***
38817, 35968, 35972
***
B
 
***
***
***
***
***
Apr-2024
2
***
42617, 42606
***
 
 
***
***
***
***
***
Apr-2024
1
***
36736
***
B
 
***
***
***
***
***
May-2024
3
***
42619, 42622, 42608
***
 
 
***
***
***
***
***
Jun-2024
1
***
42610
***
 
 
***
***
***
***
***
Jun-2024
1
***
42542
***
A
 
***
***
***
***
***
Jul-2024
2
***
35963, 35967
***
B
 
***
***
***
***
***
Aug-2024
2
***
42624, 42626
***
 
 
***
***
***
***
***
Sep-2024
1
***
42630
***
 
 
***
***
***
***
***
Sep-2024
1
***
36730
***
B
 
***
***
***
***
***
Oct-2024
2
***
42625, 42636
***
 
 
***
***
***
***
***
Nov-2024
1
***
42639
***
 
 
***
***
***
***
***
Nov-2024
1
***
35971
***
B
 
***
***
***
***
***
Dec-2024
2
***
42628, 42640
***
 
 
***
***
***
***
***
Dec-2024
1
***
35975
***
B
 
***
***
***
***
***
Jan-2025
2
***
38804, 38805
***
B
 
***
***
***
***
***
Jan-2025
2
***
 
***
OPEX
Note 3
***
***
***
***
***
Feb-2025
1
***
42643
***
 
 
***
***
***
***
***
Feb-2025
1
***
36729
***
B
 
***
***
***
***
***
Feb-2025
2
***
 
***
OPEX
Note 3
***
***
***
***
***
Mar-2025
2
***
42644, 42645
***
 
 
***
***
***
***
***

 
 
SA-10
SWA-PA-03729 107813 / 108198 / 108732

 
Page 4
 
Boeing Proprietary
 

--------------------------------------------------------------------------------

 
Table 1A To
 
 
Purchase Agreement No. PA-03729
 
 
Aircraft Delivery, Description, Price and Advance Payments
 
 
737-8 Aircraft
 

Delivery

Date*

Number of

Aircraft
Escalation

Factor

(Airframe)
Manufacturer

Serial

Number**
Escalation

Factor

Aircraft

Block
Notes
Escalation Estimate

Adv Payment Base

Price Per A/P
Advance Payment Per Aircraft (Amts. Due/Mos. Prior to Delivery):

At Signing

***

24 Mos.

***

21/18/12/9/6 Mos.

***
Total

***
Mar-2025
2
***
 
***
OPEX
Note 3
***
***
***
***
***
Apr-2025
2
***
42659, 42660
***
 
 
***
***
***
***
***
Apr-2025
2
***
 
***
OPEX
Note 3
***
***
***
***
***
May-2025
1
***
42663
***
 
 
***
***
***
***
***
May-2025
2
***
 
***
OPEX
Note 3
***
***
***
***
***
Jun-2025
1
***
42667
***
 
 
***
***
***
***
***
Jun-2025
2
***
 
***
OPEX
Note 3
***
***
***
***
***
Jul-2025
1
***
42668
***
 
 
***
***
***
***
***
Jul-2025
2
***
 
***
OPEX
Note 3
***
***
***
***
***
Aug-2025
1
***
42675
***
 
 
***
***
***
***
***
Aug-2025
2
***
 
***
OPEX
Note 3
***
***
***
***
***
Sep-2025
2
***
42676, 42677
***
 
 
***
***
***
***
***
Sep-2025
1
***
 
***
OPEX
Note 3
***
***
***
***
***
Oct-2025
2
***
42692, 42696
***
 
 
***
***
***
***
***
Oct-2025
1
***
 
***
OPEX
Note 3
***
***
***
***
***
Nov-2025
2
***
42698, 42700
***
 
 
***
***
***
***
***
Nov-2025
1
***
 
***
OPEX
Note 3
***
***
***
***
***
Dec-2025
2
***
42701, 42702
***
 
 
***
***
***
***
***
Dec-2025
1
***
 
***
OPEX
Note 3
***
***
***
***
***

Total:
 
250

* ***
** Manufacturer Serial Numbers (MSN) are for reference only and are subject to
change.
† ***
Notes:
(1) ***
(2) ***

(3) ***

 
 
SA-10
SWA-PA-03729 107813 / 108198 / 108732

 
Page 5
 
Boeing Proprietary
 

--------------------------------------------------------------------------------

 
Attachment 1 To
 
 
Letter Agreement No. LA 1106474
 
 
Option Aircraft Delivery, Description, Price and Advance Payments
 

Airframe Model/MTOW:
737-8
181,200 pounds
 
Detail Specification:
 
D019A008-P (5/1/2017)
 
4Q16 External Fcst
Engine Model/Thrust:
CFMLEAP-1B28(1)
28,800 pounds
 
Airframe Price Base Year/Escalation Formula:
 
Jul-11
 
ECI-MFG/CPI
Airframe Price:
 
***
 
Engine Price Base Year/Escalation Formula:
 
N/A
 
N/A
Optional Features:
 
***
 
 
 
 
 
 
Sub-Total of Airframe and Features:
 
***
 
Airframe Escalation Data:
 
 
 
 
Engine Price (Per Aircraft):
 
***
 
Base Year Index (ECI):
 
 
***
 
Aircraft Basic Price (Excluding BFE/SPE):
 
***
 
Base Year Index (CPI
 
 
***
 
Buyer Furnished Equipment (BFE) Estimate:
 
***
 
 
 
 
 
 
Seller Purchased Equipment (SPE) Estimate:
 
***
 
 
 
 
 
 
Non-Refundable Deposit/Aircraft at Def Agreemt:
 
***
 
 
 
 
 
 

Delivery

Date*

Number of

Aircraft
Escalation

Factor

(Airframe)
Option

Exercise Date

Deadline

Aircraft

Block
Escalation Estimate

Adv Payment Base

Price Per A/P
Advance Payment Per Aircraft (Amts. Due/Mos. Prior to Delivery):

At Signing

***

24 Mos.

***

21/18/12/9/6 Mos.

***

Total

***
Mar-2022
1
***
***
 
***
***
***
***
***
Apr-2022
1
***
***
D
***
***
***
***
***
May-2022
1
***
***
 
***
***
***
***
***
Jun-2022
1
***
***
D
***
***
***
***
***
Jul-2022
1
***
***
 
***
***
***
***
***
Jul-2022
1
***
***
D
***
***
***
***
***
Aug-2022
1
***
***
 
***
***
***
***
***
Sep-2022
1
***
***
D
***
***
***
***
***
Oct-2022
1
***
***
 
***
***
***
***
***
Oct-2022
1
***
***
D
***
***
***
***
***
Nov-2022
1
***
***
 
***
***
***
***
***
Nov-2022
1
***
***
D
***
***
***
***
***
Dec-2022
1
***
***
 
***
***
***
***
***
Dec-2022
1
***
***
D
***
***
***
***
***

 
 
SA-10
SWA-PA-03729-LA1106474 107813.TXT
Boeing Proprietary
Page 1

--------------------------------------------------------------------------------

 
Attachment 1 To
 
 
Letter Agreement No. LA 1106474
 
 
Option Aircraft Delivery, Description, Price and Advance Payments
 

Delivery

Date*

Number of

Aircraft
Escalation

Factor

(Airframe)
Option

Exercise Date

Deadline

Aircraft

Block
Escalation Estimate

Adv Payment Base

Price Per A/P
Advance Payment Per Aircraft (Amts. Due/Mos. Prior to Delivery):

At Signing

***

24 Mos.

***

21/18/12/9/6 Mos.

***

Total

***
Jan-2023
1
***
***
 
***
***
***
***
***
Jan-2023
1
***
***
D
***
***
***
***
***
Feb-2023
1
***
***
 
***
***
***
***
***
Feb-2023
1
***
***
D
***
***
***
***
***
Mar-2023
1
***
***
 
***
***
***
***
***
Mar-2023
1
***
***
D
***
***
***
***
***
Apr-2023
1
***
***
 
***
***
***
***
***
Apr-2023
1
***
***
D
***
***
***
***
***
May-2023
1
***
***
 
***
***
***
***
***
May-2023
1
***
***
D
***
***
***
***
***
Jun-2023
1
***
***
 
***
***
***
***
***
Jun-2023
1
***
***
D
***
***
***
***
***
Jul-2023
1
***
***
 
***
***
***
***
***
Aug-2023
1
***
***
D
***
***
***
***
***
Aug-2023
1
***
***
 
***
***
***
***
***
Sep-2023
1
***
***
D
***
***
***
***
***
Sep-2023
1
***
***
 
***
***
***
***
***
Oct-2023
1
***
***
D
***
***
***
***
***
Oct-2023
1
***
***
 
***
***
***
***
***
Nov-2023
1
***
***
D
***
***
***
***
***
Nov-2023
1
***
***
 
***
***
***
***
***
Dec-2023
1
***
***
D
***
***
***
***
***
Dec-2023
1
***
***
 
***
***
***
***
***
Jan-2024
1
***
***
D
***
***
***
***
***
Jan-2024
1
***
***
 
***
***
***
***
***

 
 
SA-10
SWA-PA-03729-LA1106474 107813.TXT
Boeing Proprietary
Page 2

--------------------------------------------------------------------------------

 
Attachment 1 To
 
 
Letter Agreement No. LA 1106474
 
 
Option Aircraft Delivery, Description, Price and Advance Payments
 

Delivery

Date*

Number of

Aircraft
Escalation

Factor

(Airframe)
Option

Exercise Date

Deadline

Aircraft

Block
Escalation Estimate

Adv Payment Base

Price Per A/P
Advance Payment Per Aircraft (Amts. Due/Mos. Prior to Delivery):

At Signing

***

24 Mos.

***

21/18/12/9/6 Mos.

***

Total

***
Feb-2024
1
***
***
D
***
***
***
***
***
Feb-2024
1
***
***
 
***
***
***
***
***
Mar-2024
1
***
***
D
***
***
***
***
***
Mar-2024
1
***
***
 
***
***
***
***
***
Apr-2024
1
***
***
D
***
***
***
***
***
Apr-2024
1
***
***
 
***
***
***
***
***
May-2024
1
***
***
D
***
***
***
***
***
May-2024
1
***
***
 
***
***
***
***
***
Jun-2024
1
***
***
D
***
***
***
***
***
Jun-2024
1
***
***
 
***
***
***
***
***
Jul-2024
1
***
***
D
***
***
***
***
***
Aug-2024
1
***
***
 
***
***
***
***
***
Aug-2024
1
***
***
D
***
***
***
***
***
Sep-2024
1
***
***
 
***
***
***
***
***
Sep-2024
1
***
***
D
***
***
***
***
***
Oct-2024
1
***
***
 
***
***
***
***
***
Oct-2024
1
***
***
D
***
***
***
***
***
Nov-2024
1
***
***
 
***
***
***
***
***
Nov-2024
1
***
***
D
***
***
***
***
***
Dec-2024
2
***
***
 
***
***
***
***
***
Jan-2025
3
***
***
 
***
***
***
***
***
Feb-2025
3
***
***
 
***
***
***
***
***
Mar-2025
3
***
***
 
***
***
***
***
***
Apr-2025
3
***
***
 
***
***
***
***
***
May-2025
3
***
***
 
***
***
***
***
***

 
 
SA-10
SWA-PA-03729-LA1106474 107813.TXT
Boeing Proprietary
Page 3

--------------------------------------------------------------------------------

 
Attachment 1 To
 
 
Letter Agreement No. LA 1106474
 
 
Option Aircraft Delivery, Description, Price and Advance Payments
 

Delivery

Date*

Number of

Aircraft
Escalation

Factor

(Airframe)
Option

Exercise Date

Deadline

Aircraft

Block
Escalation Estimate

Adv Payment Base

Price Per A/P
Advance Payment Per Aircraft (Amts. Due/Mos. Prior to Delivery):

At Signing

***

24 Mos.

***

21/18/12/9/6 Mos.

***

Total

***
Jun-2025
3
***
***
 
***
***
***
***
***
Jul-2025
3
***
***
 
***
***
***
***
***
Aug-2025
3
***
***
 
***
***
***
***
***
Sep-2025
3
***
***
 
***
***
***
***
***
Oct-2025
3
***
***
 
***
***
***
***
***
Nov-2025
3
***
***
 
***
***
***
***
***
Dec-2025
3
***
***
 
***
***
***
***
***
Jan-2026
1
***
***
 
***
***
***
***
***
Feb-2026
1
***
***
 
***
***
***
***
***
Mar-2026
1
***
***
 
***
***
***
***
***
Apr-2026
1
***
***
 
***
***
***
***
***
May-2026
2
***
***
 
***
***
***
***
***
Jun-2026
2
***
***
 
***
***
***
***
***
Jul-2026
1
***
***
 
***
***
***
***
***
Aug-2026
2
***
***
 
***
***
***
***
***
Sep-2026
2
***
***
 
***
***
***
***
***
Oct-2026
2
***
***
 
***
***
***
***
***
Nov-2026
2
***
***
 
***
***
***
***
***
Dec-2026
2
***
***
 
***
***
***
***
***

Total:
 
115

* ***

Note:
(1) ***

 
 
SA-10
SWA-PA-03729-LA1106474 107813.TXT
Boeing Proprietary
Page 4