EX-10.210-Q·CIK 319687·0000100517-26-000139

EX-10.2

View original filing on SEC EDGAR → ·  seen Jul 16, 2026, 16:25 EDT

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FILING DETAILS

Filer
United Airlines Holdings, Inc.
Period of report
Jun 30, 2026
Filed
Jul 16, 2026
SEC file no.
001-06033
State of inc.
DE
SIC
4512
Location
CHICAGO, IL

Exhibit 10.2

CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND IS THE TYPE THAT THE REGISTRANT TREATS AS PRIVATE OR CONFIDENTIAL. OMITTED INFORMATION HAS BEEN REPLACED WITH ASTERISKS.

SUPPLEMENTAL AGREEMENT NO. 16

to

PURCHASE AGREEMENT NUMBER 04815

between

THE BOEING COMPANY

and

UNITED AIRLINES, INC.

relating to

BOEING MODEL 787 AIRCRAFT

THIS SUPPLEMENTAL AGREEMENT No. 16 (SA-16) is entered into as of April 30, 2026 by and between The Boeing Company, a Delaware corporation, (Boeing) and United Airlines, Inc., a Delaware corporation, (Customer);

WHEREAS, Customer and Boeing entered into Purchase Agreement No. 04815 dated as of the 31st day of May of 2018 as amended and supplemented (Purchase Agreement), relating to the purchase and sale of Model 787 aircraft. This Supplemental Agreement is an amendment to the Purchase Agreement.

WHEREAS, the parties desire to provide clarity relative to the economic considerations applicable to *** 787-*** Aircraft.

WHEREAS, solely to conform and further amend the Purchase Agreement to reflect Customer and Boeing’s agreement as follows:

(i)Customer’s purchase of *** 787-*** Aircraft arising from Customer’s *** in *** 787-*** Aircraft *** to the Purchase Agreement (SA-16 *** Aircraft); and

(ii)Relative to *** Aircraft, this SA-16 will *** the aggregate quantity of available 787-*** Aircraft by a quantity of *** due to Customer’s *** in the SA-16 *** Aircraft.

UAL-PA-04815    SA-16    Page 1

BOEING / UNITED AIRLINES, INC. PROPRIETARY


WHEREAS, Customer has previously accepted certain configuration changes for certain 787-*** Aircraft (Customer Configuration Changes), and the parties now desire to conform and further amend the Purchase Agreement to reflect the following:

(i)Incorporates the Customer Configuration Changes as follows:

a)*** the quantity of *** configured Boeing model 787-*** aircraft by ***;

b)Creates *** new Table 1 for *** configured Boeing model 787-*** aircraft.

(ii)Incorporates a new Exhibit A reflecting the Customer Configuration Changes for the *** Boeing model 787-*** aircraft configuration;

(iii)Incorporates a new Supplemental Exhibit for the buyer furnished equipment requirements incident to the Customer Configuration Changes; AND

(iv)Revises the Open Matters Letter to remove Customer’s configuration selections provisions for the *** Configuration 787-*** Aircraft.

NOW THEREFORE, in consideration of the mutual covenants herein contained, the parties agree to amend the Purchase Agreement as follows:

1.Table of Contents.

The “Table of Contents” is deleted in its entirety and replaced with the attached “Table of Contents” (identified by “SA-16”).

2.Tables.

2.1.The Table 1 entitled “*** 787-*** Aircraft Delivery, Description, Price and ***” is deleted in its entirety and replaced with the similarly titled Table 1 (identified by a “SA-16” footer) to *** the available quantity of *** 787-*** Aircraft by ***.

2.2.A new Table 1 entitled “*** 787-*** Aircraft Delivery, Description, Price and ***” (identified by a “SA-16” footer) is added to the Purchase Agreement to reflect the new “***” 787-*** Aircraft configuration.

2.3.A new Table 1 entitled “*** 787-*** Aircraft Delivery, Description, Price and ***” (identified by a “SA-16” footer) is added to the Purchase Agreement to reflect the new “***” 787-*** Aircraft configuration.

3.Exhibit and Supplemental Exhibit.

3.1.The Exhibit A entitled “787-*** Aircraft *** Configuration” is added to the Purchase Agreement (identified by “SA-16”) to incorporate the Customer Configuration Changes for the “***” configured 787-*** Aircraft.

3.2.Supplemental Exhibit BFE1 entitled “BFE Variables *** 787-*** Aircraft” (identified by “SA-16”) is added to the Purchase Agreement to add buyer furnished equipment variable requirements applicable to the “*** configured 787-*** Aircraft.

UAL-PA-04815    SA-16    Page 2

BOEING / UNITED AIRLINES, INC. PROPRIETARY


4.Letter Agreements.

4.1.Letter Agreement No. UAL-PA-04815-LA-1802886R7 is deleted in its entirety and replaced with Letter Agreement No. UAL-PA-04815-LA-1802886R8 entitled “Special Matters” (identified by “SA-16”) to provide clarity relative to *** applicable to *** 787-*** Aircraft.

4.2.Letter Agreement No. UAL-PA-04815-LA-1802897R4 is deleted in its entirety and replaced with Letter Agreement No. UAL-PA-04815-LA-1802897R5 entitled “*** Aircraft” (identified by “SA-16”) to *** the aggregate quantity of *** Aircraft by *** in Attachment A-1.

4.3.Letter Agreement No. UAL-PA-04815-LA-22006311R1 is deleted in its entirety and replaced with Letter Agreement No. UAL-PA-04815-LA-22006311R2 entitled “787 Open Matters” (identified by “SA-16”) to reflect that the *** configuration for 787-*** Aircraft has been closed.

5.Miscellaneous.

Boeing and Customer agree that there is *** upon execution of this SA-16 as a result of the amendments set forth in this SA-16.

The rest of the page is intentionally blank. Signature page follows.

UAL-PA-04815    SA-16    Page 3

BOEING / UNITED AIRLINES, INC. PROPRIETARY


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

EXECUTED IN DUPLICATE as of the day and year first written above.

THE BOEING COMPANY UNITED AIRLINES, INC.
/s/ Irma L. Krueger /s/ John Gebo
Signature Signature
Irma. L. Krueger John Gebo
Printed Name Printed Name
Attorney-in-Fact SVP Treasury, Fleet & Fuel
Title Title

UAL-PA-04815    SA-16    Page 4

BOEING / UNITED AIRLINES, INC. PROPRIETARY


CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND IS THE TYPE THAT THE REGISTRANT TREATS AS PRIVATE OR CONFIDENTIAL. OMITTED INFORMATION HAS BEEN REPLACED WITH ASTERISKS.

TABLE OF CONTENTS

ARTICLES SA NUMBER
Article 1. Quantity, Model and Description
Article 2. Delivery Schedule
Article 3. Price
Article 4. Payment
Article 5. Additional Terms
TABLE
1 787-*** Aircraft Delivery, Description, Price and *** (*** 787-*** Aircraft) SA-6
1 *** 787 -*** Aircraft (Prior to *** Configuration) Delivery, Description, Price and *** 787-*** Aircraft) SA-15
1 *** 787-*** Aircraft Delivery, Description, Price and *** SA-15
1 *** 787-*** Aircraft Delivery, Description, Price and *** SA-16
1 *** 787-*** Aircraft Delivery, Description, Price and *** SA-16
1 *** 787-*** Aircraft Delivery, Description, Price and *** SA-16
1. 787-*** Aircraft Delivery, Description, Price and *** SA-8
1. *** 787-*** Aircraft with *** Engines Delivery, Description, Price and *** SA-15
EXHIBITS
A 787-*** Aircraft Configuration for the *** 787-*** Aircraft SA-6
A 787-*** Aircraft Configuration for the *** Aircraft SA-15
A 787-*** Aircraft *** Configuration SA-16

UAL-PA-04815    Table of Contents, Page 1 of 5     SA-16

BOEING / UNITED AIRLINES, INC. PROPRIETARY


TABLE OF CONTENTS, CONTINUED
EXHIBITS, continued SA NUMBER
A2 787-*** Aircraft Configuration
B. Aircraft Delivery Requirements and Responsibilities
SUPPLEMENTAL EXHIBITS SA NUMBER
AE1. *** Features for the 787 Aircraft
BFE1. BFE Variables 787-*** Aircraft for the *** Aircraft SA-15
BFE1. BFE Variables *** 787-*** Aircraft SA-15
BFE1. BFE Variables *** 787-*** Aircraft SA-16
BFE1. BFE Variables 787-*** Aircraft SA-6
CS1. Customer Support Document SA-10
EE1. Engine ***, Engine Warranty and ***
SLP1. Service Life Policy Components
LETTER AGREEMENTS SA NUMBER
LA-1802882 Special Matters Relating to COTS Software and End User License Agreements
LA-1802883 Installation of Cabin Systems Equipment
LA-1802884 Model 787 Post-Delivery Software & Data Loading
LA-1802885R2 Aircraft Model *** SA-13
Attachment A, 787-*** with *** SA-12
Attachment B, 787-*** SA-12
Attachment C, 787-*** Airframe *** Aircraft with *** SA-12
LA-1802886R8 Special Matters SA-16
LA-1802887 ***
TABLE OF CONTENTS, CONTINUED
LETTER AGREEMENTS SA NUMBER
LA-1802888 *** for 787-*** Aircraft
LA-1802889 Demonstration Flight Waiver

UAL-PA-04815    Table of Contents, Page 2 of 5     SA-16

BOEING / UNITED AIRLINES, INC. PROPRIETARY


LA-1802890 Privileged and Confidential Matters
LA-1802891R3 *** SA-15
LA-1802892 787 Special Terms – Seats
LA-1802893 AGTA Matters
LA-1802894 Assignment Matters
LA-1802895R7 *** Matters SA-15
LA-1802896 Model 787 e- Enabling
LA-1802897R5 *** Aircraft SA-16
Attachment A-1: 787-*** with *** SA-16
Attachment A-2: –Additional *** Aircraft *** SA-14
LA-1907123 Other Special Matters SA-5
LA-2000321 *** Rights for Certain 787 Aircraft SA-6
LA-2000325R1 *** for 787-10 Aircraft SA-12
LA-2000327 *** for 787-*** Aircraft SA-6
LA-2000341 CS1 Special Matters SA-6
LA-2000366R1 *** for 787-*** Aircraft SA-12
LA-2001835R1 Certain Special Matters SA-8
LA-22004030R1 *** Rights for *** 787-*** Aircraft SA-11
LA-22006156R1 787 *** SA-13
LA-22006204R1 787 Delivery *** Matters SA-13
TABLE OF CONTENTS, CONTINUED
LETTER AGREEMENTS SA NUMBER
LA-22006226 Training Support SA-12
LA-22006285 *** SA-12
LA-22006311R2 787 Open Matters SA-16
LA-23005341R1 Special Matters – SA-13 *** 787 Aircraft SA-15

UAL-PA-04815    Table of Contents, Page 3 of 5     SA-16

BOEING / UNITED AIRLINES, INC. PROPRIETARY


LA-2505473 787 *** SA-15

UAL-PA-04815    Table of Contents, Page 4 of 5     SA-16

BOEING / UNITED AIRLINES, INC. PROPRIETARY


SUPPLEMENTAL AGREEMENTS DATED AS OF
Supplemental Agreement No. 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . September 25, 2018
Supplemental Agreement No. 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . November 1, 2018
Supplemental Agreement No. 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . December 12, 2018
Supplemental Agreement No. 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . April 26, 2019
Supplemental Agreement No. 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . October 31, 2019
Supplemental Agreement No. 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . February 7, 2020
Supplemental Agreement No. 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . March 20, 2020
Supplemental Agreement No. 8 . . . . . . . . . . . . . . . . . . . . . . . . . . . June 30, 2020
Supplemental Agreement No. 9 . . . . . . . . . . . . . . . . . . . . . . . . . . . February 26, 2021
Supplemental Agreement No. 10 . . . . . . . . . . . . . . . . . . . . . . . . . . August 25, 2022
Supplemental Agreement No. 11 . . . . . . . . . . . . . . . . . . . . . . . . . . September 27, 2022
Supplemental Agreement No. 12 . . . . . . . . . . . . . . . . . . . . . . . . . . December 12, 2022
Supplemental Agreement No. 13 . . . . . . . . . . . . . . . . . . . . . . . . . . September 28, 2023
Supplemental Agreement No. 14 . . . . . . . . . . . . . . . . . . . . . . . . . . October 24, 2024
Supplemental Agreement No. 15 . . . . . . . . . . . . . . . . . . . . . . December 30, 2025
Supplemental Agreement No. 16 . . . . . . . . . . . . . . . . . . . . . . April 30, 2026

UAL-PA-04815    Table of Contents, Page 5 of 5     SA-16

BOEING / UNITED AIRLINES, INC. PROPRIETARY


Table 1 to Purchase Agreement No. 04815

*** 787-*** Aircraft Delivery, Description, Price and ***

(787-***)

Airframe Model/MTOW: 787-*** *** pounds 1 Aircraft Configuration Specification: *** 4Q25 External Fcst
Engine Model/Thrust: *** *** pounds 2 Airframe Price Base Year/*** Formula: *** ***
Airframe Price: *** Engine Price Base Year/*** Formula: *** ***
*** Features: *** 3
Sub-Total of Airframe and Features: *** Airframe *** Data:
Engine Price (Per Aircraft): *** 2 Base Year Index (ECI): ***
Aircraft Basic Price (Excluding BFE/SPE): *** Base Year Index (CPI): ***
Buyer Furnished Equipment (BFE) Estimate: *** Engine *** Data:
Seller Purchased Equipment (SPE) *** 3 Base Year Index (ECI): ***
Deposit per Aircraft: *** 4 Base Year Index (CPI): ***
# of Aircraft Contract Delivery *** Number of Aircraft **** Factor (Airframe) *** Factor (Engine) *** Forecast Manufacturer Serial Number## *** Estimate *** Base Price Per A/P *** (Amts. Due/*** Prior to Delivery):
*** *** *** ***
*** *** *** ***
*** *** *** *** *** *** *** *** *** *** *** ***
Total: ***
1***
2***
3***
4***
## Manufacturer Serial Numbers identified above ***.
UAL-PA-04815
APR 125312 - *** 787-*** Aircraft Boeing Proprietary 787-*** Table 1: SA-16, Page &[Page]

Table 1 to Purchase Agreement No. 04815

*** 787-*** Aircraft Delivery, Description, Price and ***

(787-***)

Airframe Model/MTOW: 787-*** *** pounds 1 Aircraft Configuration Specification: *** 4Q25 External Fcst
Engine Model/Thrust: *** *** pounds 2 Airframe Price Base Year/*** Formula: *** ***
Airframe Price: *** Engine Price Base Year/*** Formula: *** ***
*** Features: *** 3
Sub-Total of Airframe and Features: *** Airframe *** Data:
Engine Price (Per Aircraft): *** 2 Base Year Index (ECI): ***
Aircraft Basic Price (Excluding BFE/SPE): *** Base Year Index (CPI): ***
Buyer Furnished Equipment (BFE) Estimate: *** Engine *** Data:
Seller Purchased Equipment (SPE) *** 3 Base Year Index (ECI): ***
Deposit per Aircraft: *** 4 Base Year Index (CPI): ***
# of Aircraft # of *** Aircraft *** Contract Delivery *** Number of Aircraft **** Factor (Airframe) *** Factor (Engine) *** Forecast Manufacturer Serial Number## *** Estimate *** Base Price Per A/P *** (Amts. Due/*** Prior to Delivery):
*** *** *** ***
*** *** *** ***
*** *** *** *** *** *** *** *** *** *** *** *** *** ***
Total: ***
1***
2***
3***
4***
## Manufacturer Serial Numbers identified above ***.
UAL-PA-04815 Boeing Proprietary
APR 126326 - *** 787-*** Aircraft 787-*** Table 1: SA-16, Page &[Page]

Table 1 to Purchase Agreement No. 04815

*** 787-*** Aircraft Delivery, Description, Price and ***

(787-***)

Airframe Model/MTOW: 787-*** *** pounds 1 Aircraft Configuration Specification: *** 4Q25 External Fcst
Engine Model/Thrust: *** *** pounds 2 Airframe Price Base Year/*** Formula: *** ***
Airframe Price: *** Engine Price Base Year/*** Formula: *** ***
*** Features: *** 3
Sub-Total of Airframe and Features: *** Airframe *** Data:
Engine Price (Per Aircraft): *** 2 Base Year Index (ECI): ***
Aircraft Basic Price (Excluding BFE/SPE): *** Base Year Index (CPI): ***
Buyer Furnished Equipment (BFE) Estimate: *** Engine *** Data:
Seller Purchased Equipment (SPE) *** 3 Base Year Index (ECI): ***
Deposit per Aircraft: *** 4 Base Year Index (CPI): ***
# of Aircraft # of *** Aircraft *** *** Contract Delivery *** Number of Aircraft **** Factor (Airframe) *** Factor (Engine) *** Forecast Manufacturer Serial Number## *** Estimate *** Base Price Per A/P *** (Amts. Due/*** Prior to Delivery):
*** *** *** ***
*** *** *** ***
*** *** *** *** *** *** *** *** *** *** *** *** *** ***
Total: ***
Footnotes on next page
1 ***
2 ***
3 ***
4 ***
## Manufacturer Serial Numbers identified above ***.
Note: ***
! - ***
UAL-PA-04815 Boeing Proprietary
APR 126326 - *** 787-*** Aircraft 787-*** Table 1: SA-16, Page &[Page]

787-*** AIRCRAFT CONFIGURATION

between

THE BOEING COMPANY

and

UNITED AIRLINES, INC.

Exhibit A to Purchase Agreement Number 04815 for

*** 787-*** Aircraft with *** Engines (SA-16)

P.A. No. 04815    Exhibit A for *** 787-*** Aircraft    SA-16

BOEING PROPRIETARY


Exhibit A for *** 787-*** Aircraft

Purchase Agreement No. 04815

Page 2

AIRCRAFT CONFIGURATION

relating to

BOEING MODEL 787-*** AIRCRAFT IN *** CONFIGURATION

The Detail Specification is Boeing document entitled Detail specification D019E001UAL89P-3-TBD (the designator is TBD due to the Detail Specification being aligned by manufacturer serial number (MSN), e.g., for the 787-*** aircraft ***, the Detail Specification is number D019E001UAL89P-3-68667, Rev (New). The Detail Specification provides further description of Customer’s configuration set forth in this Exhibit A and is *** as amended to incorporate the optional features (***) listed below, including the effects on *** and ***. The *** reflects and includes all effects of such *** except such *** does not include the *** of any Buyer Furnished Equipment or Seller Purchased Equipment. As soon as practicable, Boeing will furnish to Customer copies of the Detail Specification, which copies will reflect ***.

***

P.A. No. 04815    Exhibit A for *** 787-*** Aircraft     SA-16

BOEING PROPRIETARY


Exhibit A for *** 787-*** Aircraft

Purchase Agreement No. 04815

Page 3

*** Number Title Initial Shipset Price Per Aircraft ***$ *** Price Per Aircraft ***$
*** *** *** ***
TOTAL *** ***

P.A. No. 04815    Exhibit A for *** 787-*** Aircraft     SA-16

BOEING PROPRIETARY


BUYER FURNISHED EQUIPMENT VARIABLES
*** 787-*** Aircraft

between

THE BOEING COMPANY

and

UNITED AIRLINES, INC.

Supplemental Exhibit BFE1

to Purchase Agreement Number 04815

UAL-PA-04815-BFE1 *** 787-***    SA-16, Page 1

BOEING PROPRIETARY


BUYER FURNISHED EQUIPMENT VARIABLES

relating to

BOEING MODEL 787-*** AIRCRAFT BFE VARIABLES *** 787-*** AIRCRAFT

This Supplemental Exhibit BFE1 contains supplier selection dates, on-dock dates and other requirements applicable to the Aircraft.

1.Supplier Selection.

Customer will select and notify Boeing of the suppliers and part numbers of the following BFE items: Based on *** delivery (***)

*** ***

Customer *** Boeing to complete all necessary actions including, but not limited to, the Initial Technical Coordination Meeting (ITCM).

2.On-dock Dates and Other Information.

Boeing will provide to Customer the BFE requirements, electronically in My Boeing Fleet (MBF) through My Boeing Configuration (MBC) or by other means, setting forth the items, quantities, technical reviews, on-dock dates, shipping instructions and other requirements relating to the in-sequence installation of BFE. These requirements may be periodically revised by Boeing. Customer’s and Boeing’s rights and obligations set forth in Exhibit A to the AGTA apply to the BFE requirements in this Supplemental Exhibit BFE1. For planning purposes, the *** preliminary BFE seat requirements and the preliminary on-dock dates for all BFE items are provided below. ***.

UAL-PA-04815-BFE1 *** 787-***    SA-16, Page 2

BOEING PROPRIETARY


The below “Completion Date” represents the first (1st) day of the month by when the specific milestone must be completed to support the BFE seat program.

Milestone
*** ***

UAL-PA-04815-BFE1 *** 787-***    SA-16, Page 3

BOEING PROPRIETARY


Preliminary On-Dock for All BFE Items: FOR FIRST *** Implemented *** 787-*** Aircraft

Note: All requirements are set forth below. If a *** is listed, the due date is the *** of ***. If no date is listed, there is no requirement.

MSN (subject to change until delivery) *** MSN (subject to change until delivery) ***
*** *** ***

***

3.Additional Delivery Requirements - Import.

Customer will be the importer of record(as defined by U.S. Customs and Border Protection) for all BFE imported into the United States, and as such, it has the responsibility to ensure all of Customer’s BFE shipments comply with U.S. Customs Service regulations.

UAL-PA-04815-BFE1 *** 787-*** BOEING PROPRIETARY SA-16, Page 4

image_1.jpg The Boeing Company P.O. Box 3707 Seattle, WA 98124 2207

UAL-PA-04815-LA-1802886R8

United Airlines, Inc.    

233 South Wacker Drive

Chicago, Illinois 60606

Subject:    Special Matters

Reference:    Purchase Agreement No. 04815 (Purchase Agreement) between The Boeing Company (Boeing) and United Airlines, Inc. (Customer) relating to Model 787 aircraft (Aircraft)

This letter agreement (Letter Agreement) amends and supplements the Purchase Agreement. All terms used but not defined in this Letter Agreement will have the same meaning as in the Purchase Agreement. This Letter Agreement replaces and supersedes Letter Agreement UAL-PA-04815-LA-1802886R7, dated December 30, 2025, in its entirety.

1.***.

1.1.787-***.

In consideration of Customer's purchase of 787-*** Aircraft, Boeing *** at the time of delivery of each 787-*** Aircraft and 787-*** Aircraft, *** to Customer ***. The *** is subject to the *** as *** at the time of delivery. *** may *** to *** at the time of delivery for such Aircraft, or for the *** of Boeing *** and ***, but *** on Aircraft.

1.2.787-***.

In consideration of Customer's purchase of 787-*** Aircraft, Boeing *** at the time of delivery of each 787-*** Aircraft and 787-*** Aircraft, *** to Customer ***. The *** is subject to the *** as *** at the time of delivery. *** may *** to *** at the time of delivery for such Aircraft, or for the *** of Boeing *** and ***, but *** on Aircraft.

1.3.787-***.

In consideration of Customer's purchase of 787-*** Aircraft, Boeing *** at the time of delivery of each 787-*** Aircraft and 787-*** Aircraft, *** to Customer ***. The *** is subject to the *** as *** at the time of delivery. *** may *** to *** at the time of delivery for such Aircraft, or for the *** of Boeing *** and ***, but *** on Aircraft.

UAL-PA-04815-LA-1802886R8 SA-16
Special Matters Page 1

BOEING/UNITED AIRLINES, INC. PROPRIETARY

4901-5271-0275


image_0.jpg

1.4.***.

Boeing *** to Customer ***.

2.***

***

5.Assignment.

Except as provided in Letter Agreement No. UAL-PA-04815-LA-1802894 entitled “Assignment Matters”, the rights and obligations described in this Letter Agreement are provided to Customer in consideration of Customer’s becoming the operator of the Aircraft and cannot be assigned in whole or, in part.

6.Confidential Treatment.

Customer and Boeing understand that certain commercial and financial information contained in this Letter Agreement are considered by Boeing and Customer as confidential and are subject to the terms and conditions set forth in Letter Agreement No. UAL-PA-04815-LA-1802890 entitled “Privileged and Confidential Matters”.

Very truly yours,

THE BOEING COMPANY
By: /s/ Irma L. Krueger
Its: Attorney-in-Fact
UAL-PA-04815-LA-1802886R8 SA-16
Special Matters Page 2

BOEING PROPRIETARY


image_0.jpg

ACCEPTED AND AGREED TO this
Date: April 30, 2026
UNITED AIRLINES, INC.
By: /s/ John Gebo
Its: SVP Treasury, Fleet & Fuel
UAL-PA-04815-LA-1802886R8 SA-16
Special Matters Page 3

BOEING PROPRIETARY


image_1.jpg The Boeing Company P.O. Box 3707 Seattle, WA 98124 2207

UAL-PA-04815-LA-1802897R5

United Airlines, Inc.

233 South Wacker Drive

Chicago, Illinois 60606

Subject:    *** Aircraft

Reference:    Purchase Agreement 04815 (Purchase Agreement) between The Boeing Company (Boeing) and United Airlines, Inc. (Customer) relating to Model 787 aircraft (Aircraft)

This letter agreement (Letter Agreement) amends and supplements the Purchase Agreement. All terms used but not defined in this Letter Agreement have the same meaning as in the Purchase Agreement. This Letter Agreement supersedes and replaces in its entirety Letter Agreement UAL-PA-04815-LA-1802897R4 dated December 30, 2025.

Boeing agrees to manufacture and sell to Customer additional Boeing model 787-*** aircraft (collectively and each an *** Aircraft) in accordance with the terms of this Letter Agreement. The model, delivery *** per aircraft and *** schedule are listed in Attachment A-1.

1.Aircraft Description and Changes.

1.1Aircraft Description: The *** Aircraft are described by the Detail Specification listed in Attachment A-1, and are subject to the items in Section 1.2 below.

1.2Changes: The Detail Specification will be revised to include:

(i)Changes applicable to the *** Model 787 aircraft which are developed by Boeing between the date of the Detail Specification and the signing of the definitive agreement to purchase the *** Aircraft and notified to Customer;

(ii)Changes required to obtain required regulatory certificates; and

(iii)Changes mutually agreed upon.

P.A. No. 04815        SA-16

UAL-PA-04815-LA-1802897R5, *** Aircraft    Page 1

BOEING PROPRIETARY

4911-2074-1249

4911-2074-1249


image_0.jpg

2.Price.

2.1.The *** of the *** Aircraft are listed in Attachment A-1 to this Letter Agreement.

2.2.***.

2.2.1.***. The *** that will be identified in the definitive agreement for the *** Aircraft will equal (i) the *** as of the date of execution of the Purchase Agreement for the ***, and (ii) for any changes incorporated between the date of execution of the Purchase Agreement for the *** and the date of execution of the definitive agreement for the *** Aircraft, the *** associated with such changes will be those first published by Boeing ***.  For the avoidance of doubt, *** that are not published by Boeing as of the date of execution of the Purchase Agreement for the *** will be *** to the same *** as the *** for the *** in accordance with *** Boeing uses ***.  The *** for the *** Aircraft will *** in accordance with Supplemental Exhibit AE1 of the Purchase Agreement.  Boeing represents that the *** provided in this Section 2.2 are consistent with the terms of Letter Agreement 6-1162-KKT-080R2, including as may subsequently be amended.

2.2.2.***. The *** for each *** Aircraft will be *** on the same basis as the Aircraft and will *** for *** in accordance with the terms set forth in Supplemental Exhibit AE1 of the Purchase Agreement.

2.2.3.***. The***, listed in Supplement Exhibit EE1 to the Purchase Agreement, have been *** to the *** of scheduled delivery using *** listed in the Attachment A-1 to this Letter Agreement. The *** will be *** by the *** prior to the signing of a definitive agreement for the *** Aircraft.

2.2.4.***. The *** of the *** Aircraft will *** to the *** as of the date of execution of the definitive agreement for the *** Aircraft unless the *** agrees to the ***.

3.Payment.

3.1 Customer will pay a *** to Boeing in the amount shown in Attachment A-1 for each *** Aircraft (***), on the date of this Letter Agreement. If Customer *** an ***, the *** will be *** against the *** for such *** Aircraft. If Customer does not *** an ***, Boeing will retain the *** for that *** Aircraft and apply it, ***, then the *** may be applied to *** for Boeing *** and ***.

3.2 If Customer *** its *** to acquire an *** Aircraft, *** in the amounts and at the times listed in Attachment A-1 will be *** for that *** Aircraft, subject to the terms of the *** Matters LA-1802895R6 (as may be supplemented and amended from time to time). The *** of the Aircraft Price for that *** Aircraft will be paid ***.

P.A. No. 04815        SA-16

UAL-PA-04815-LA-1802897R5,*** Aircraft    Page 2

BOEING PROPRIETARY


image_0.jpg

4.***.

4.1.Customer may *** by giving written notice to Boeing (Customer Notice) in accordance with the following terms:

4.1.1.For *** Aircraft contracted for delivery after *** but not later than ***:

4.1.1.1.Provision of Customer Notice to Boeing for such *** Aircraft is due no later than *** prior to the first business day of the applicable delivery *** listed in Attachment A-1.

4.1.2.For *** Aircraft contracted for delivery from *** and on:

4.1.2.1.Provision of Customer Notice to Boeing for *** Aircraft contracted for delivery in a *** that is prior to *** of each ***, is due no later than *** prior to the first business day of the applicable delivery *** listed in Attachment A-1.

4.1.2.2.Provision of Customer Notice to Boeing for *** Aircraft contracted for delivery in a *** that is after *** of each *** is due no later than:

(i)    *** prior to the first business day of the applicable delivery *** listed in Attachment A-1 or;

(ii) *** prior to the first business day of the applicable delivery *** listed in Attachment A-1, subject to ***.

    Notwithstanding the foregoing, Customer may elect to not *** an *** Aircraft described in this Section 4.1.2.2 by providing written notice to Boeing at any time during the period from *** prior to the first business day of the applicable delivery *** listed in Attachment A-1 to *** prior to the first business day of the applicable delivery *** listed in Attachment A-1. In the event Customer provides such notice, Boeing will retain the *** for such *** Aircraft and apply it to future *** in accordance with Section 3.1 above.

4.2.For the avoidance of doubt, any *** Aircraft for which Customer has *** its rights under this Letter Agreement shall be considered an Aircraft for purposes of the Purchase Agreement.

4.3.Certain *** Aircraft added to this Letter Agreement pursuant to SA-13 to the Purchase Agreement are classified as “*** Aircraft”, as further noted in Attachment A-1. For each *** Aircraft that Customer *** purchase, such *** Aircraft will be added to the Purchase Agreement as a “SA-13 *** 787 Aircraft” and will be subject to the terms contained in letter agreement no. UAL-PA-04815-LA-23005341 entitled “Special Matters – SA-13 *** Aircraft”.

4.4.The *** Aircraft in Attachment A-1 are scheduled by ***. Upon *** of an *** Aircraft, Boeing may, upon written notice to Customer, *** the scheduled delivery *** shown in Attachment A-1 by ***, provided such notice is given *** before the scheduled delivery *** for *** Aircraft specified in Section 4.1.1, *** before the scheduled delivery month for Option Aircraft specified in Section 4.1.2.1, and *** before the scheduled delivery

P.A. No. 04815        SA-16

UAL-PA-04815-LA-1802897R5,*** Aircraft    Page 3

BOEING PROPRIETARY


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*** for *** Aircraft specified in Section 4.1.2.2; provided further, that Boeing ***. Any such *** will amend the *** Aircraft delivery schedule and all other applicable terms and conditions will be *** accordingly. *** (as defined in Section 7.1 of the AGTA) or *** (as defined in Letter Agreement UAL-PA-04815-LA-2505473, entitled “787 ***”), and all applicable terms and conditions set forth in the Purchase Agreement, (e.g., *** and *** and ***) shall be aligned to such *** delivery ***.

5.Contract Terms.

Boeing and Customer will use their best efforts to reach a definitive agreement for the purchase of an *** Aircraft, including the terms and conditions contained in this Letter Agreement, in the Purchase Agreement, and other terms and conditions as may be agreed upon to add the *** Aircraft to the Purchase Agreement as an Aircraft. If the parties have not entered into a definitive agreement within *** following ***, either party *** the purchase of *** Aircraft by giving written notice to the other within ***. If Customer and Boeing *** into such definitive agreement and *** Aircraft, Boeing will (i) *** the *** for that *** Aircraft; (ii) apply *** by Customer on any Boeing aircraft as ***; and (iii) except as expressly provided herein, have no further obligation with respect to *** Aircraft.

6.Assignment.

Except as provided in Letter Agreement No. UAL-PA-04815-LA-1802894, the rights and obligations described in this Letter Agreement are provided to Customer in consideration of Customer’s becoming the operator of the Aircraft and cannot be assigned in whole or in part.

7.Confidential Treatment.

    Customer and Boeing understand that certain commercial and financial information contained in this Letter Agreement are considered by Boeing and Customer as confidential and are subject to the terms and conditions set forth in Letter Agreement No. UAL-PA-04815-LA-1802890.

Attachment A-1: 787-***: *** Aircraft Delivery, Description, Price and ***Very truly yours,
THE BOEING COMPANY
By /s/ Irma L. Krueger
Its Attorney-in-Fact

P.A. No. 04815        SA-16

UAL-PA-04815-LA-1802897R5,*** Aircraft    Page 4

BOEING PROPRIETARY


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ACCEPTED AND AGREED TO this
Date: April 30, 2026
UNITED AIRLINES, INC.
By: /s/ John Gebo
Its: SVP Treasury, Fleet & Fuel

P.A. No. 04815        SA-16

UAL-PA-04815-LA-1802897R5,*** Aircraft    Page 5

BOEING PROPRIETARY


Attachment A-1 to Letter Agreement 04815-LA-1802897R5 Entitled "*** Aircraft"

787-*** Aircraft Delivery, Description, Price and ***

(787-***)

Airframe Model/MTOW: 787-*** 1 *** pounds1 Aircraft Configuration Specification: *** ***
Engine Model/Thrust: *** 2 *** pounds2 Airframe Price Base Year/*** Formula: *** ***
Airframe Price: *** Engine Price Base Year/*** Formula: *** ***
*** Features: 3 ***3
Sub-Total of Airframe and Features: *** Airframe *** Data:
Engine Price (Per Aircraft): 2 ***2 Base Year Index (ECI): ***
Aircraft Basic Price (Excluding BFE/SPE): *** Base Year Index (CPI): ***
Buyer Furnished Equipment (BFE) Estimate: *** Engine *** Data:
Seller Purchased Equipment (SPE) 3 ***3 Base Year Index (ECI): ***
Deposit per Aircraft: 4 ***4 Base Year Index (CPI): ***
# of Aircraft *** Contracted Delivery *** Number of Aircraft *** Factor (Airframe) *** Factor (Engine) *** Forecast Unique *** Characteritics, if Any Leadtime in *** *** Expiration Date *** Estimate *** Base Price Per A/P *** (Amts. Due/*** Prior to Delivery):
*** *** *** ***
*** *** *** ***
*** *** *** *** *** *** *** ***
*** ***
Notes / Other Information:
1***
2***
3***
The quantify of *** Aircraft other than *** Aircraft are as follows:
*** ***
*** ***
*** ***
*** ***
The quantity of *** Aircraft are as follows:
*** ***
*** ***
*** ***
*** ***
The quantity of *** Aircraft PLUS *** Aircraft is as follows:
*** ***
+ ***
SA-16
UAL-PA-04815-LA-1802897R5 APR 126326-1O.txt Boeing Proprietary Att A to LA-1802897R5*** Aircraft, Page &[Page]

image_1.jpg The Boeing Company P.O. Box 3707 Seattle, WA 98124 2207

UAL-PA-04815-LA-22006311R2

United Airlines, Inc.

233 South Wacker Drive

Chicago, Illinois 60606

Subject:    787 Open Matters

Reference:    Purchase Agreement No. 04815 (Purchase Agreement) between The Boeing Company (Boeing) and United Airlines, Inc. (Customer) relating to Model 787 aircraft (Aircraft)

This letter agreement (Letter Agreement) amends and supplements the Purchase Agreement. All terms used but not defined in this Letter Agreement shall have the same meaning as in the Purchase Agreement. This Letter Agreement supersedes and replaces in its entirety Letter Agreement UAL-PA-04815-LA-22006311R1 dated December 30, 2025.

    Boeing and Customer agree to work together as the configuration of Customer’s Boeing Model 787-*** aircraft develop as specified in this Letter Agreement.

1.Aircraft Configuration.

The initial configuration of Customer's Model 787-*** Aircraft has been defined by *** as described in Table 1 and Exhibit A of the Purchase Agreement (Initial Configuration).

1.1Final configuration of the 787-*** Aircraft (Final Configuration) will be completed using the *** in accordance with the following schedule:

1.1.1For the new configuration of the Boeing model 787-***: In ***, Boeing will provide Customer with *** from which Customer shall provide *** that will comprise the Final Configuration of the new 787-*** configuration.

UAL-PA-04815-LA-22006311R2    SA-16

787 Open Matters    Page 1

BOEING/ UNITED AIRLINES, INC. PROPRIETARY

4934-8639-4241


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1.2Within *** following completion of the Final Configuration, Boeing and Customer will execute a written amendment to the Purchase Agreement which will reflect the following:

1.2.1Changes applicable to the 787-*** Aircraft which are developed by Boeing between the *** and ***;

1.2.2Incorporation into the Exhibit A of the Purchase Agreement, by written amendment, those *** features which have been agreed to by Customer and Boeing (Customer Configuration Changes);

1.2.3Revisions to the applicable Supplemental Exhibit BFE1 to reflect the *** and on-dock dates of BFE; and

1.2.4Changes to the ***, and *** to adjust for the difference, if any, between the *** in the applicable Table 1 of the Purchase Agreement for *** features reflected in the *** and the *** of the *** features reflected in the Customer Configuration Changes.

2.Other Matters.

2.1Boeing commits to work with Customer to review *** that Customer may request be *** into the 787-*** Aircraft configuration prior to delivery to Customer. After each such review, Boeing and Customer shall agree as to the *** which Boeing can make available for the Aircraft using *** and the terms for ***.

2.2Boeing and Customer shall meet regularly to determine in good faith mutually acceptable terms and conditions with respect to *** and *** matters, commencing ***.

2.3Beginning the ***, Customer and Boeing shall meet no later than the end of the first *** in each *** to review the future *** for each *** starting *** (Target Period). During each such discussion, Boeing will provide its then ***. Customer and Boeing will work together to align *** in each *** of the Target Period. Customer shall have *** of more than *** Aircraft in any calendar year during the Target Period provided that the *** may be *** pursuant to *** in the following *** of the Target Period subject to a *** Aircraft in ***.

3.Assignment.

Except as provided in Letter Agreement No. UAL-PA-04815-LA-1802894, the rights and obligations described in this Letter Agreement are provided to Customer in consideration of Customer’s becoming the operator of the Aircraft and cannot be assigned in whole or, in part.

UAL-PA-04815-LA-22006311R2    SA-16

787 Open Matters    Page 2

BOEING/ UNITED AIRLINES, INC. PROPRIETARY

4934-8639-4241


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4.Confidential Treatment.

Customer and Boeing understand that certain commercial and financial information contained in this Letter Agreement are considered by Boeing and Customer as confidential and are subject to the terms and conditions set forth in Letter Agreement No. UAL-PA-04815-LA-1802890.

Very truly yours,

THE BOEING COMPANY
By: /s/ Irma L. Krueger
Its: Attorney-in-Fact

UAL-PA-04815-LA-22006311R2    SA-16

787 Open Matters    Page 3

BOEING/ UNITED AIRLINES, INC. PROPRIETARY

4934-8639-4241


image_0.jpg

ACCEPTED AND AGREED TO this
Date: April 30, 2026
UNITED AIRLINES, INC.
By: /s/ John Gebo
Its: SVP Treasury, Fleet & Fuel

UAL-PA-04815-LA-22006311R2    SA-16

787 Open Matters    Page 4

BOEING/ UNITED AIRLINES, INC. PROPRIETARY

4934-8639-4241

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