Exhibit 10.178

CONFIDENTIAL MATERIAL APPEARING IN THIS DOCUMENT HAS BEEN OMITTED AND FILED
SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION IN ACCORDANCE WITH THE
SECURITIES ACT OF 1933, AS AMENDED, AND RULE 24B-2 PROMULGATED THEREUNDER.
OMITTED INFORMATION HAS BEEN REPLACED WITH ASTERISKS.

Supplemental Agreement No. 6

to

Purchase Agreement No. 3860

between

The Boeing Company

and

United Airlines, Inc.

Relating to Boeing Model 787 Aircraft

THIS SUPPLEMENTAL AGREEMENT, entered into as of December 31, 2015, by and
between THE BOEING COMPANY (Boeing) and UNITED AIRLINES, INC. (a Delaware
corporation formerly known as Continental Airlines, Inc. and successor by merger
to United Air Lines, Inc.) (Customer);

WHEREAS, the parties hereto entered into Purchase Agreement No. 3860 dated
September 27, 2012, as amended and supplemented (Purchase Agreement), relating
to the purchase and sale of Boeing model 787 aircraft (Aircraft). This
Supplemental Agreement is an amendment to the Purchase Agreement;

WHEREAS, through *** Supplemental Agreement Number 5 to the Purchase Agreement,
*** dated May 12, 2015, Boeing and Customer agreed to *** firm 787-*** aircraft
for *** 787-*** aircraft and to *** 787-*** firm aircraft with *** 787-***;

WHEREAS, consistent with such prior transactions Boeing and Customer now agree
to a *** of *** firm 787-*** aircraft for *** firm 787-*** aircraft and to the
*** of these *** 787-*** firm aircraft with *** 787-*** as follows:

(i) Boeing and Customer agree to *** Firm 787-*** Aircraft to the Purchase
Agreement as Block C Aircraft as such terms are defined in *** and are further
identified in Figure 1 below.

 

Figure 1

Delivery Month

***

***

 

UAL-PA-3860   SA-6   Page 1 BOEING / UNITED AIRLINES, INC. PROPRIETARY

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

(ii) Boeing and Customer agree to *** the following *** 787-*** Firm Aircraft
and *** them with *** 787-*** Aircraft in the delivery months with option
exercise expiry dates as specified below:

 

Model

 

*** Firm Aircraft

Delivery Month

 

*** Aircraft Delivery

Month**

 

Option

Exercise

Expiry Date

***

  ***   ***   ***

***

  ***   ***   ***

** - The nominal delivery month above is subject to revision by plus or minus
one month. Boeing will advise Customer of the scheduled delivery month at the
time of Customer’s exercise of its rights.

WHEREAS, Boeing and Customer agree to apply *** 787-*** previously Firm Aircraft
*** under this Supplemental Agreement No. 6 *** for the *** new model 787-***
Aircraft added under this Supplemental Agreement No. 6; and *** Customer’s ***
of Supplemental Agreement No. 6 after application of *** (as that term is
defined in Letter Agreement No. *** entitled “Option Aircraft” ***) received by
Boeing from Customer.

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-6”).

 

2. Tables.

2.1. “Table 1”, 787-10 Aircraft with GENX-1B*** Engines Delivery, Description,
Price and Advance Payments, is deleted in its entirety and replaced with the
attached similarly titled “Table 1” (identified by “SA-6”).

2.2. “Table 1, 787-9 Aircraft Delivery, Description, Price and Advance Payments
for *** Firm 787-9 Aircraft” (identified by “SA-6”) is added to the Purchase
Agreement.

 

3. Letter Agreements.

3.1. Attachment B-1 to Letter Agreement UAL-PA-03860-LA-1209265R1 entitled
“787-10 with GENX-1B*** Engines: Option Aircraft Delivery, Description, Price
and Advance Payments” is deleted in its entirety and replaced with the attached
Attachment B-1 (identified by “SA-6”).

 

UAL-PA-3860   SA-6   Page 2 BOEING / UNITED AIRLINES, INC. PROPRIETARY

 

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

3.2. Letter Agreement UAL-PA-03860-LA-1209413A1R1 entitled “Special Matters —
Amendment 1” is deleted in its entirety and replaced with the attached similarly
titled Letter Agreement UAL-PA-03860-LA-1209413A1R2 (identified by “SA-6”).

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

The rest of this page is left intentionally blank.

 

UAL-PA-3860   SA-6   Page 3 BOEING / UNITED AIRLINES, INC. PROPRIETARY

 

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

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

 

THE BOEING COMPANY

 

 

UNITED AIRLINES, INC.

 

     

 

     

Signature   Signature

/s/ I. L. Krueger

 

/s/ Gerald Laderman

Printed Name   Printed Name

Attorney-in-Fact

 

Senior Vice President - Finance and

acting Chief Financial Officer

Title   Title

 

UAL-PA-3860   SA-6   Page 4 BOEING / UNITED AIRLINES, INC. PROPRIETARY

 

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

TABLE OF CONTENTS

 

ARTICLES

        SA
NUMBER

Article 1.

   Quantity, Model and Description    SA-1

Article 2.

   Delivery Schedule    SA-1

Article 3.

   Price    SA-1

Article 4.

   Payment    SA-1

Article 5.

   Additional Terms    SA-1

TABLE

  

      1.

  

787-8 with GENX-1B*** Engines Aircraft Information Table ***

   SA-3

      1.

  

787-9 with GENX-1B*** Engines Aircraft Information Table ***

   SA-5

      1 

  

Table 1, 787-*** Aircraft Delivery, Description, Price and Advance Payments for
*** Firm 787-*** Aircraft

   SA-6

      1.

  

787-10 with GENX-1B*** Engines Aircraft Information Table

   SA-6

EXHIBITS

  

A1.

  

787-8 Aircraft Configuration ***

  

A2.

  

787-9 Aircraft Configuration ***

   SA-4

A3.

  

787-10 Aircraft Configuration

   SA-1

B.  

  

Aircraft Delivery Requirements and Responsibilities

  

SUPPLEMENTAL EXHIBITS

  

AE1.

  

Escalation Adjustment/Airframe and Optional Features

  

BFE1.

  

BFE Variables

   SA-1

CS1.

  

Customer Support Document

  

EE1.

  

Engine Escalation/Engine Warranty ***

  

SLP1.

  

Service Life Policy Components

  

 

P.A. 3860   TABLE OF CONTENTS, Page 1 of 5   SA-6 BOEING/UNITED AIRLINES, INC.
PROPRIETARY

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

TABLE OF CONTENTS, CONTINUED

 

 

LETTER AGREEMENTS   

SA

NUMBER

UAL-PA-03860-LA-1209247    787 e-Enabling    UAL-PA-03860-LA-1209264    Open
Configuration Matters    UAL-PA-03860-LA-1209265R1    Option Aircraft    SA-1   

Attachment A, 787-*** Option Aircraft Delivery, Description, Price and Advance
Payments (DELETED)

   SA-1   

Attachment B-1, 787-*** with GENX-1B*** Engines: Option Aircraft Delivery,
Description, Price and Advance Payments

   SA-6   

Attachment B-2, 787-*** with TRENT1000-*** Engines: Option Aircraft Delivery,
Description, Price and Advance Payments (DELETED)

   SA-3 UAL-PA-03860-LA-1209409    Spare Parts Initial Provisioning   
UAL-PA-03860-LA-1209410   

Special Matters Relating to COTS Software and End User License Agreements

   UAL-PA-03860-LA-1209411   

Special Terms – Seats and In-flight Entertainment

   UAL-PA-03860-LA-1209417    Model 787 Post-Delivery Software & Data Loading   

CONFIDENTIAL LETTER AGREEMENTS

   UAL-PA-03860-LA-1209236R1   

Model Substitution

   SA-1   

Attachment A, 787-9 Airframe Pricing of Substitution Aircraft with General
Electric GEnx-1B*** and Rolls Royce Trent 1000-*** engines

   SA-1   

Attachment B, 787-10 with General Electric GEnx-1B*** and Rolls Royce TRENT
1000-*** Engines

   SA-1   

Attachment C, 787-8 with General Electric GEnx-1B*** and Rolls Royce TRENT
1000-***

   SA-1

 

P.A. 3860   TABLE OF CONTENTS, Page 2 of 4   SA-6 BOEING / UNITED AIRLINES, INC.
PROPRIETARY

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

TABLE OF CONTENTS, CONTINUED

 

 

CONFIDENTIAL LETTER AGREEMENTS, continued

   SA
NUMBER

UAL-PA-03860-LA-1209412

  Spare Parts Commitment   

UAL-PA-03860-LA-1209413R1

  Special Matters    SA-1

UAL-PA-03860-LA-1209413A1R2

  Special Matters – Amendment 1    SA-6

UAL-PA-03860-LA-1209414

  Other Special Matters   

UAL-PA-03860-LA-1209413A1

  Other Special Matters - Amendment 1    SA-1

UAL-PA-03860-LA-1209416R1

  Promotional Support    SA-2

UAL-PA-03860-LA-1209430

  Performance Guarantees   

UAL-PA-03860-LA-1209455

  *** – TERMINATED    SA-1

UAL-PA-03860-LA-1209429

  ***   

UAL-PA-03860-LA-1209618R1

  Alternate Engine Selection    SA-1

6-1162-ELP-0794

  *** Program- *** Aircraft   

6-1162-ELP-0795

  *** Program- *** Aircraft   

UAL-PA-03860-LA-1301368

  Performance Guarantees (787-10)    SA-1

UAL-PA-03860-LA-1301373

  787-10 Aircraft Open Configuration and Other Matters    SA-1

UAL-PA-03860-LA-1301375

 

Provisions Relating to Customer’s *** for 787-10 Aircraft

   SA-1

UAL-PA-03860-LA-1301377

  787-10 ***    SA-1

UAL-PA-03860-LA-1301377A1

  787-10 *** – Amendment 1    SA-4

UAL-PA-03860-LA-1301380

  787-10 Program Launch    SA-1

UAL-PA-03860-LA-1500017

  Demonstration Flight Waiver    SA-4

UAL-PA-03860-LA-1500059

  Installation of Cabin Systems Equipment    SA-4

 

P.A. 3860   TABLE OF CONTENTS, Page 3 of 4   SA-6 BOEING / UNITED AIRLINES, INC.
PROPRIETARY

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

SUPPLEMENTAL AGREEMENTS

  

DATED AS OF

Supplemental Agreement No. 1

   June 17, 2013

Supplemental Agreement No. 2

   December 16, 2013

Supplemental Agreement No. 3

   July 22, 2014

Supplemental Agreement No. 4

   January 14, 2015

Supplemental Agreement No. 5

   May 12, 2015 Supplemental Agreement No. 6    December 31, 2015

 

P.A. 3860   TABLE OF CONTENTS, Page 4 of 4   SA-6 BOEING / UNITED AIRLINES, INC.
PROPRIETARY

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

Table 1 to Purchase Agreement No. 3860

787-10 Aircraft with GENX-1B*** Engines Delivery, Description, Price and Advance
Payments

(787-10/GE/***)

 

Airframe Model/MTOW:

   787-10     *** pounds        

Detail Specification:

        ***      

Engine Model/Thrust:

   GENX-1B***1     *** pounds        

Airframe Price Base Year/Escalation Formula:

   ***       ***

Airframe Price:

     $ ***        

Engine Price Base Year/Escalation Formula:

   ***       ***

Optional Features:

     $ ***        

Airframe Escalation Data:

             

 

 

               

Sub-Total of Airframe and Features:

  $ ***        

Base Year Index (ECI):

        ***      

Engine Price (Per Aircraft) :

  $ *** 1      

Base Year Index (CPI):

        ***           

 

 

               

Aircraft Basic Price (Excluding BFE/SPE):

  $ ***        

Engine Escalation Data:

             

 

 

               

Buyer Furnished Equipment (BFE) Estimate:

  $ ***        

Base Year Index (ECI):

        ***           

 

 

               

In-Flight Entertainment (IFE) Estimate:

  $ ***        

Base Year Index (CPI):

        ***      

Refundable Deposit/Aircraft at Proposal Accept:

  $ ***                 

 

Delivery

Date

  Number of
Aircraft   Escalation
Factor
(Airframe)   Escalation
Factor
(Engine)       Serial
Number
(Subject to
Change)   Escalation Estimate
Adv Payment Base
Price Per A/P  

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

              ***   ***   ***   ***              

***

 

***

 

***

 

***

***   ***   ***   ***   *   ***   $***   $***   $***   $***   $*** ***   ***  
***   ***   *   ***   $***   $***   $***   $***   $*** ***   ***   ***   ***   *
  ***   $***   $***   $***   $***   $*** ***   ***   ***   ***   *   ***   $***
  $***   $***   $***   $*** ***   ***   ***   ***   *   ***   $***   $***   $***
  $***   $*** ***   ***   ***   ***   *   ***   $***   $***   $***   $***   $***
***   ***   ***   ***   *   ***   $***   $***   $***   $***   $*** ***   ***  
***   ***   *   ***   $***   $***   $***   $***   $*** ***   ***   ***   ***   *
  ***   $***   $***   $***   $***   $*** ***   ***   ***   ***   *   ***   $***
  $***   $***   $***   $*** ***   ***   ***   ***   *   ***   $***   $***   $***
  $***   $***

 

 

  Boeing Proprietary   787-10 with GE Engines Table 1 (SA-6), Page 1

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

Table 1 to Purchase Agreement No. 3860

787-10 Aircraft with GENX-1B*** Engines Delivery, Description, Price and Advance
Payments

(787-10/GE/***)

 

Delivery

Date

   Number of
Aircraft    Escalation
Factor
(Airframe)    Escalation
Factor
(Engine)        Serial
Number
(Subject to
Change)    Escalation Estimate
Adv Payment Base
Price Per A/P   

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

                    ***    ***    ***    ***                    

***

  

***

  

***

  

***

***    ***    ***    ***   

*

  ***    $***    $***    $***    $***    $*** ***    ***    ***    ***   

*

  ***    $***    $***    $***    $***    $*** ***    ***    ***    ***   

*

  ***    $***    $***    $***    $***    $*** ***    ***    ***    ***    **  
***    $***    $***    $***    $***    $*** ***    ***    ***    ***    **   ***
   $***    $***    $***    $***    $*** ***    ***    ***    ***    **   ***   
$***    $***    $***    $***    $*** ***    ***    ***    ***    **   ***   
$***    $***    $***    $***    $*** ***    ***    ***    ***    **   ***   
$***    $***    $***    $***    $*** ***    ***    ***    ***    **   ***   
$***    $***    $***    $***    $*** ***    ***    ***    ***    **   ***   
$***    $***    $***    $***    $***   

 

                          Total:    23                          

 

1  Engine model, thrust and pricing are subject to *** to deliver GEnx-1B***
thrust rating at GEnx-1B*** price.

 

* *** Escalation Factors***

** *** Escalation Factors***

 

  Boeing Proprietary   787-10 with GE Engines Table 1 (SA-6), Page 2

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

Table 1 to Purchase Agreement No. 3860

787-9 Aircraft Delivery, Description, Price and Advance Payments for *** Firm
787-9 Aircraft

(787-9/GE/***)

 

Airframe Model/MTOW:

   787-9     *** pounds1        

Detail Specification:

        ***      

Engine Model/Thrust:

   GENX-1B***2     *** pounds        

Airframe Price Base Year/Escalation Formula:

   ***       ***

Airframe Price:

     $ ***        

Engine Price Base Year/Escalation Formula:

   ***       ***

Optional Features:

     $ ***        

Airframe Escalation Data:

             

 

 

               

Sub-Total of Airframe and Features:

  $ ***        

Base Year Index (ECI):

        ***      

Engine Price (Per Aircraft):

  $ ***        

Base Year Index (CPI):

        ***           

 

 

               

Aircraft Basic Price (Excluding BFE/SPE):

  $ ***        

Engine Escalation Data:

             

 

 

               

Buyer Furnished Equipment (BFE) Estimate:

  $ ***        

Base Year Index (ECI):

        ***      

In-Flight Entertainment (IFE) Estimate:

  $ ***         Base Year Index (CPI):         ***      

 

Scheduled
Delivery

Date

   Number
of
Aircraft    Escalation
Factor
(Airframe)    Escalation
Factor
(Engine)    Serial
Number    Escalation Estimate
Adv Payment Base
Price Per A/P   

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

                  ***    ***    ***    ***                  

***

  

***

  

***

  

***

Block C Aircraft 1,2,3                      ***      ***      ***    ***    ***
   $***    $***    $***    $***    $*** ***      ***      ***    ***    ***   
$***    $***    $***    $***    $*** Total Block C      ***                    
                     

 

1 MTOW provided in accordance with MTOW Article 3.2 of Letter Agreement
6-1162-RCN-1936.

2 Conditional on a GE agreement to deliver Genx-1B*** thrust rating at the
Genx-1B*** price.

3 The Block C Aircraft shall be considered Block B Aircraft as defined pursuant
to *** for purposes of Letter Agreement 6-1162-RCN entitled “***”.

4 The *** 787-9 Aircraft specified above are “Block C Aircraft” as such term is
defined in ***, as amended and supplemented ***.

 

APR 71359   Boeing / United Airlines, Inc. Proprietary   787-9 Table 1, Page 1,
SA-6

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

Attachment B-1 to Letter Agreement UAL-PA-03860-LA-120965R1

787-10 Option Aircraft with GENX-1B***

Engines Delivery, Description, Price and Advance Payments

(787-10/GE/***)

 

Airframe Model/MTOW:

   787-10      *** pounds        

Detail Specification:

        ***      

Engine Model/Thrust:

   GENX-1B***¹      *** pounds        

Airframe Price Base Year/Escalation Formula:

   ***       ***

Airframe Price:

      $ ***        

Engine Price Base Year/Escalation Formula:2

   ***       ***

Optional Features:

      $ ***        

Airframe Escalation Data:

              

 

 

               

Sub-Total of Airframe and Features:

   $ ***        

Base Year Index (ECI):

   ***      

Engine Price (Per Aircraft):

      $ *** 1      

Base Year Index (CPI):

   ***            

 

 

               

Aircraft Basic Price (Excluding BFE/SPE):

   $ ***        

Engine Escalation Data:

              

 

 

               

Buyer Furnished Equipment (BFE) Estimate:

   $ ***        

Base Year Index (ECI):

   ***      

In-Flight Entertainment (IFE) Estimate:

   $ ***        

Base Year Index (CPI):

   ***      

Non-Refundable Deposit/Aircraft at Def Agreement

   $ ***                 

 

Delivery
Date

   Number of
Aircraft   Escalation
Factor
(Airframe)   Escalation
Factor
(Engine)   Option
Exercise   Escalation Estimate
Adv Payment Base
Price Per A/P  

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

         Expiry     ***    ***    ***    ***          Date    

***

  

***

  

***

  

***

*** ++    ***   ***   ***   *** *   $***   $***    $***    $***    $*** *** ++
   ***   ***   ***   *** *   $***   $***    $***    $***    $*** ***    ***  
***   ***   ***   $***   $***    $***    $***    $*** ***    ***   ***   ***  
***   $***   $***    $***    $***    $*** ***    ***   ***   ***   ***   $***  
$***    $***    $***    $*** ***    ***   ***   ***   ***   $***   $***    $***
   $***    $*** ***    ***   ***   ***   ***   $***   $***    $***    $***   
$*** ***    ***   ***   ***   ***   $***   $***    $***    $***    $***

 

APR64695-1F.TXT   Boeing Proprietary   787-10 with GE Engines Table 1 (SA-6),
Page 1

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

Attachment B-1 to Letter Agreement UAL-PA-03860-LA-120965R1

787-10 Option Aircraft with GENX-1B***

Engines Delivery, Description, Price and Advance Payments

(787-10/GE/***)

 

Delivery
Date

   Number of
Aircraft   Escalation
Factor
(Airframe)   Escalation
Factor
(Engine)   Option
Exercise   Escalation Estimate
Adv Payment Base
Price Per A/P  

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

         Expiry     ***    ***    ***    ***          Date    

***

  

***

  

***

  

***

***    ***   ***   ***   ***   $***   $***    $***    $***    $*** ***    ***  
***   ***   ***   $***   $***    $***    $***    $*** ***    ***   ***   ***  
***   $***   $***    $***    $***    $*** ***    ***   ***   ***   ***   $***  
$***    $***    $***    $*** ***    ***   ***   ***   ***   $***   $***    $***
   $***    $*** ***    ***   ***   ***   ***   $***   $***    $***    $***   
$*** ***    ***   ***   ***   ***   $***   $***    $***    $***    $*** ***   
***   ***   ***   ***   $***   $***    $***    $***    $*** ***    ***   ***  
***   ***   $***   $***    $***    $***    $*** ***    ***   ***   ***   ***  
$***   $***    $***    $***    $*** ***    ***   ***   ***   ***   $***   $***
   $***    $***    $***   

 

                   Total:    ***                   

 

1 Engine model, thrust and pricing are subject to *** to deliver GEnx-1B***
thrust rating at GEnx-1B*** price.

2 Base year pricing is subject to engine manufacturer confirmation.

* The option exercise expiry date for the *** 787-10 Option Aircraft (as
specified above) supersedes §4.1 of Letter Agreement UAL-PA-03860-LA-1209265R1
entitled “Option Aircraft”

++ The delivery schedule for the *** 787-10 Option Aircraft is a nominal
delivery month and is subject to revision by plus or minus one month. Boeing
will advise Customer of the scheduled delivery month at the time of Customer’s
exercise of its rights.

 

APR 64695-1F.TXT   Boeing Proprietary   787-10 with GE Engines Table 1 (SA-6),
Page 2

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

 

LOGO [g138061.jpg]

        

The Boeing Company

P.O. Box 3707

Seattle, WA 98124-2207

 

UAL-PA-03860-LA-1209413A1R2

United Airlines, Inc.

233 South Wacker Drive

Chicago, Illinois 60606

 

Subject:    Special Matters — Amendment 1 Reference:       

Purchase Agreement No. 3860 (Purchase Agreement) between The Boeing Company
(Boeing) and United Airlines, Inc. relating to Model 787 aircraft (Aircraft)

This letter agreement UAL-PA-03860-LA-1209413A1R2 (Amending Letter Agreement)
amends and supplements the Purchase Agreement and amends and supplements certain
terms in Letter Agreement UAL-PA-03860-LA-1209413 (the Letter Agreement) ), and
supersedes and replaces in its entirety letter agreement
UAL -PA -03860 -LA-1209413A1R1. All terms used and not defined in this Letter
Agreement have the same meaning as in the Purchase Agreement.

 

1.

Amendments to Article 1 of the Letter Agreement.

New Article 1.4 is hereby added as follows:

1.4. The parties agree that the *** 787-*** Aircraft added by SA-6 with delivery
months during

(i) ***; and

(ii) ***

shall, if Customer exercises its rights in such 787-*** Aircraft, be deemed to
be 787-*** Aircraft for all purposes under the Purchase Agreement and thereby
remain entitled to the corresponding 787-*** Aircraft credit memoranda.

 

UAL-PA-03860-LA-1209413A1R2     Page 1 Special Matters     SA-6 BOEING / UNITED
AIRLINES, INC. PROPRIETARY

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

LOGO [g138061.jpg]

 

2.

Amendments to Article 4 of the Letter Agreement.

4.4    Special *** Provisions for the Launch Aircraft. With respect to

(i) the *** 787-10 Aircraft listed in Table 1 to the Purchase Agreement as of
the effective date of Supplemental Agreement No. 6 to the Purchase Agreement and

(ii) the *** 787-*** Aircraft specified in Figure 1 below; (787-10 Aircraft and
787-*** Aircraft specified in (i) and (ii) herein are each a Launch Aircraft),
the parties agree that *** of the Article 4.1 *** obligation will be ***
delivery of each Launch Aircraft (Launch Aircraft *** Obligation). At time of
delivery of each Launch Aircraft, Boeing will *** to *** the Launch Aircraft ***
Obligation.

 

Figure 1

Model

   *** Aircraft Delivery
Month/Quarter at the Effective Date
of this Letter Agreement

787-***

   ***

787-***

   ***

787-***

   ***

787-***

   ***

 

3. Confidential Treatment.

Boeing and Customer understand that certain information contained in this Letter
Agreement, including any attachments hereto, is considered by both parties to be
confidential. Boeing and Customer agree that each party will treat this Letter
Agreement and the information contained herein as confidential and will not,
without the other party’s prior written consent, disclose this Letter Agreement
or any information contained herein to any other person or entity except as may
be required by applicable law or governmental regulations.

 

 

UAL-PA-03860-LA-1209413A1R2     Page 2 Special Matters     SA-6 BOEING / UNITED
AIRLINES, INC. PROPRIETARY

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

LOGO [g138061.jpg]

 

Very truly yours,

 

THE BOEING COMPANY By:  

/s/ I. L. Krueger

Its:  

Attorney-In-Fact

 

ACCEPTED AND AGREED TO this

Date:

 

December 31, 2015

 

UNITED AIRLINES, INC.

By:

 

/s/ Gerald Laderman

Its:

 

Senior Vice President - Finance and

acting Chief Financial Officer

 

 

UAL-PA-03860-LA-1209413A1R2     Page 3 Special Matters     SA-6 BOEING / UNITED
AIRLINES, INC. PROPRIETARY