EX-10.3



 Exhibit 10.3 
 Supplemental Agreement No. 02 
 to 

Purchase Agreement Number PA-03784 
 (the Agreement) 
 Between 

The Boeing Company 
 and 
 United Air Lines, Inc. 

Relating to Boeing Model 737-900ER Aircraft 
 THIS SUPPLEMENTAL AGREEMENT is entered into as of March 1, 2013 by and between THE BOEING COMPANY (Boeing) and UNITED AIR LINES, INC. (Customer); 

WHEREAS, Customer and Boeing agree to reschedule *** 737-900ER Aircraft as follows: 

 

					
	 Current Delivery Month
	  	Revised Delivery Month	 	Serial Number
	***	  	***	 	***

 WHEREAS, Customer and Boeing agree to reschedule *** 737-900ER Option Aircraft as follows: 

 

			
	 Current Delivery Month
	  	Revised Delivery Month
	 ***
	  	***

 WHEREAS, Customer has elected to *** 

*** 
 WHEREAS,
Customer and Boeing have elected to modify the terms related to option exercise; 
 NOW THEREFORE, in consideration of the
mutual covenants herein contained, the parties agree to amend the Agreement as follows: 
 1. Table of Contents, Articles,
Tables, Exhibits, and Letter Agreements: 

  

					
	P.A. 03784	  		  	
	UAL	  	SA 2–1	  	

 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. 02 to 
 Purchase Agreement PA-03784 
 1.1 Remove and replace, in its entirety, the
“Table of Contents”, with the “Table of Contents” attached hereto, to reflect the changes made by this Supplemental Agreement No. 02. 
 1.2 Remove and replace, in its entirety, “Table 1” with the “Table 1” attached hereto to reflect (a) the revised delivery month for *** 737-900ER aircraft bearing serial
number ***, and (b) the *** 
 1.3 Remove and replace, in its entirety, Letter Agreement LA-1207879, “Option
Aircraft”, and replace with the attached Letter Agreement LA-1207879R1. 
 1.4 Incorporate Letter Agreement LA-1300306,
“Aircraft Reschedule – ***”. 
 The 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. 
 EXECUTED IN DUPLICATE as of the day and year first written
above. 
  

					
	THE BOEING COMPANY	 		 	UNITED AIR LINES, INC.
			
	***	 		 	/s/ Gerald Laderman
	Signature	 		 	Signature
			
	Attorney-in-Fact	 		 	Senior Vice President – Finance and Treasurer
	Title	 		 	Title


  

					
	P.A. 03784	  		  	
	UAL	  	SA 2–2	  	









 TABLE OF CONTENTS 

 

							
	  	 	 	  	SA Number	 
	 ARTICLES
	  			
	 Article 1.
	 	Quantity, Model and Description	  			
	 Article 2.
	 	Delivery Schedule	  			
	 Article 3.
	 	Price	  			
	 Article 4.
	 	Payment	  			
	 Article 5.
	 	Additional Terms	  			
		
	 TABLE
	  			
	 1.
	 	Aircraft Information Table 	  	 	02	  
		
	 EXHIBIT
	  			
	 A.
	 	Aircraft Configuration	  			
	 B.
	 	Aircraft Delivery Requirements and Responsibilities	  			
		
	 SUPPLEMENTAL EXHIBITS
	  			
	 AE1.
	 	Escalation Adjustment/Airframe and Optional Features	  			
	 BFE1.
	 	BFE Variables	  			
	 CS1.
	 	Customer Support Variables	  			
	 EE1.
	 	Engine Escalation, Engine Warranty ***	  			
	 SLP1.
	 	Service Life Policy Components	  			


  

					
	 UAL-PA-03784
	  		  	SA-2
		  		  	Page 3
		  	BOEING / UNITED AIR LINES, INC. PROPRIETARY	  	










							
	 LETTER AGREEMENTS
	  	 TITLE
	  	SA Number	 
	UAL-PA-03784-LA-1207868	  	Performance Guarantees	  			
			
	UAL-PA-03784-LA-1207870	  	Spare Parts Initial Provisioning	  			
			
	UAL-PA-03784-LA-1207871	  	Special Matters	  			
			
	UAL-PA-03784-LA-1207878	  	Demonstration Flight Waiver	  			
			
	UAL-PA-03784-LA-1207879R1	  	Option Aircraft	  	 	02	  
			
	UAL-PA-03784-LA-1207881	  	Seller Purchased Equipment	  			
			
	UAL-PA-03784-LA-1208155	  	*** Matters	  			
			
	UAL-PA-03784-LA-1208156	  	***	  			
			
	UAL-PA-03784-LA-1208172	  	***	  			
			
	UAL-PA-03784-LA-1208173	  	***	  			
			
	UAL-PA-03784-LA-1207869	  	737 Production Adjustments	  			
			
	UAL-PA-03784-LA-1208938	  	Privileged and Confidential Matters	  			
			
	UAL-PA-03784-LA-1209039	  	Aircraft Model Substitution	  			
			
	UAL-PA-03784-LA-1209115	  	***	  			
			
	UAL-PA-03784-LA-1300306	  	Aircraft Reschedule – ***	  	 	02	  
		  	***	  			


  

					
	 UAL-PA-03784
	  		  	SA-2
		  		  	Page 3
		  	BOEING / UNITED AIR LINES, INC. PROPRIETARY	  	









 Table 1 To 
 Purchase Agreement No. 03784 
 737-900ER Aircraft Delivery,
Description, Price and Advance Payments 
  

																					
	 Airframe Model/MTOW:
	  	 	737-900ER	  	  	 	***pounds	  	  		  	 Detail Specification:
	  	 	***	  	  			
	 Engine Model/Thrust:
	  	 	***	  	  	 	***pounds	  	  		  	 Airframe Price Base Year/Escalation Formula:
	  	 	***	  	  	 	***	  
	 Airframe Price:
	  				  	$	***	  	  		  	 Engine Price Base Year/Escalation Formula:
	  	 	***	  	  	 	***	  
	 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:
	  				  	$	***	  	  		  		  				  			
							
	 Deposit per Aircraft:
	  				  	$	***	  	  		  		  				  			

  

																																					
	Delivery	  	Number of	 	  	Escalation
Factor	 	  	Serial	 	  	Escalation	 	  	 Escalation Estimate

Adv Payment Base
	 	  	Advance Payment Per Aircraft (Amts. Due/Mos. Prior to 
Delivery):	 
	 Date
	  	Aircraft	 	  	(Airframe)	 	  	Number	 	  	Forecast	 	  	Price Per A/P	 	  	***	 	  	***	 	  	***	 	  	***	 
	 ***
	  	 	***	  	  	 	***	  	  	 	***	  	  	 	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  	 	***	  	  	 	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  	 	***	  	  	 	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  	 	***	  	  	 	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  	 	***	  	  	 	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  	 	***	  	  	 	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  	 	***	  	  	 	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  


  

					
		 	Boeing / United Air Lines, Inc. Proprietary	 	SA-2, Page 1










 Table 1 To 

Purchase Agreement No. 03784 
 737-900ER Aircraft Delivery, Description, Price and Advance Payments 
  


																																					
	Delivery	  	Number of	 	  	Escalation
Factor	 	  	Serial	 	  	Escalation	 	  	 Escalation Estimate

Adv Payment Base
	 	  	Advance Payment Per Aircraft (Amts. Due/Mos. Prior to 
Delivery):	 
	 Date
	  	Aircraft	 	  	(Airframe)	 	  	Number	 	  	Forecast	 	  	Price Per A/P	 	  	***	 	  	***	 	  	***	 	  	***	 
	 ***
	  	 	***	  	  	 	***	  	  	 	***	  	  	 	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  	 	***	  	  	 	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  	 	***	  	  	 	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  	 	***	  	  	 	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  	 	***	  	  	 	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  	 	***	  	  	 	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  	 	***	  	  	 	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  	 	***	  	  	 	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  	 	***	  	  	 	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  	 	***	  	  	 	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  	 	***	  	  	 	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  	 	***	  	  	 	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  	 	***	  	  	 	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  	 	***	  	  	 	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  	 	***	  	  	 	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  	 	***	  	  	 	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  	 	***	  	  	 	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  	 	***	  	  	 	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  


  

					
		 	Boeing / United Air Lines, Inc. Proprietary	 	SA-2, Page 2










 Table 1 To 

Purchase Agreement No. 03784 
 737-900ER Aircraft Delivery, Description, Price and Advance Payments 
  


																																					
	Delivery	  	Number of	 	  	Escalation
Factor	 	  	Serial	 	  	Escalation	 	  	 Escalation Estimate

Adv Payment Base
	 	  	Advance Payment Per Aircraft (Amts. Due/Mos. Prior to 
Delivery):	 
	 Date
	  	Aircraft	 	  	(Airframe)	 	  	Number	 	  	Forecast	 	  	Price Per A/P	 	  	***	 	  	***	 	  	***	 	  	***	 
	 ***
	  	 	***	  	  	 	***	  	  	 	***	  	  	 	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  	 	***	  	  	 	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  	 	***	  	  	 	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  	 	***	  	  	 	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  	 	***	  	  	 	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  	 	***	  	  	 	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  	 	***	  	  	 	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  	 	***	  	  	 	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  	 	***	  	  	 	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  	 	***	  	  	 	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  	 	***	  	  	 	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  	 	***	  	  	 	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  	 	***	  	  	 	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  	 	***	  	  	 	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  	 	***	  	  	 	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  	 	***	  	  	 	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  	 	***	  	  	 	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  	 	***	  	  	 	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  


  

					
		 	Boeing / United Air Lines, Inc. Proprietary	 	SA-2, Page 3










 Table 1 To 

Purchase Agreement No. 03784 
 737-900ER Aircraft Delivery, Description, Price and Advance Payments 
  


																																					
	Delivery	  	Number of	 	  	Escalation
Factor	 	  	Serial	 	  	Escalation	 	  	 Escalation Estimate

Adv Payment Base
	 	  	Advance Payment Per Aircraft (Amts. Due/Mos. Prior to 
Delivery):	 
	 Date
	  	Aircraft	 	  	(Airframe)	 	  	Number	 	  	Forecast	 	  	Price Per A/P	 	  	***	 	  	***	 	  	***	 	  	***	 
	 ***
	  	 	***	  	  	 	***	  	  	 	***	  	  	 	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  	 	***	  	  	 	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  	 	***	  	  	 	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  	 	***	  	  	 	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  	 	***	  	  	 	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  	 	***	  	  	 	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  	 	***	  	  	 	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  	 	***	  	  	 	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  	 	***	  	  	 	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  	 	***	  	  	 	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  	 	***	  	  	 	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  	 	***	  	  	 	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  	 	***	  	  	 	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  	 	***	  	  	 	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  	 	***	  	  	 	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 Total:
	  	 	58	  	  				  				  				  				  				  				  				  			

  

	*	*** Escalation Factors (***) 


	**	*** Escalation Factors (***) 


  

					
		 	Boeing / United Air Lines, Inc. Proprietary	 	SA-2, Page 4










							
	



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


 UAL-PA-03784-LA-1207879R1 
 United Air Lines, Inc. 
 77 West Wacker Drive 

Chicago, Illinois 60601-0100 
  

			
	Subject:	  	Option Aircraft
		
	Reference:	  	Purchase Agreement No. PA-03784 (Purchase Agreement) between The Boeing Company (Boeing) and United Air Lines, Inc. (Customer) relating to
Model 737-900ER 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-03784-LA-1207879 dated July 12, 2012.

  

	1.	Right to Purchase Option Aircraft. 

 Subject to the terms and conditions contained in this Letter Agreement, in addition to the Aircraft described in Table 1 to the Purchase Agreement as of the date of execution of this Letter
Agreement, Customer will have the option to purchase additional Model 737-900ER aircraft as option aircraft (Option Aircraft). 
  

	2.	Delivery. 

 The number of
aircraft and delivery months are listed in the Attachment A to this Letter Agreement. 
  

	3.	Configuration. 

 3.1
Subject to the provisions of Article 3.2, below, the configuration for the Option Aircraft will be the Detail Specification for model 737-900ER aircraft at the revision level in effect at the time of Definitive Agreement (as defined below).
Such Detail Specification will be revised to include (i) changes applicable to the Detail Specification that are developed by Boeing between the Option Exercise Date (as defined below) and the signing of the Definitive Agreement,
(ii) changes required to obtain required regulatory certificates, and (iii) other changes as mutually agreed. 
 3.2
Subject to ***, the Option Aircraft may ***, provided that it can achieve *** which would result pursuant to the provisions of Article ***. 








 



 
  


	4.	Price. 

 4.1 The Airframe
Price and Optional Features Prices for each of the Option Aircraft is identified in Attachment A to this Letter Agreement. The *** 
 4.2 The Airframe Price, Optional Features Prices, and Aircraft Basic Price for each of the Option Aircraft shall be adjusted in accordance with the terms set forth in Article 2.1.5
(Escalation Adjustment) of the AGTA. 
 4.3 The Advance Payment Base Price shall be developed in accordance with
the terms of the Purchase Agreement and determined at the time of Definitive Agreement. 
  

	5.	Payment. 

 5.1 ***

 5.2 Notwithstanding the amount shown in Attachment A, the Option Deposit will be *** for each Option Aircraft.

 5.3 Upon Customer’s exercise of an option to purchase Option Aircraft, advance payments will be payable as
specified in the Purchase Agreement. The remainder of the Aircraft Price for the Option Aircraft will be paid at the time of delivery. 
  

	6.	Option Exercise. 

 6.1
Customer may exercise an option by giving written notice to Boeing on or before the date *** prior to the first day of the delivery month listed in the Attachment (Option Exercise Date). 

6.2 *** 
  

	7.	Definitive Agreement. 


Customer’s exercise of an option pursuant to Article 6.1 above will be a *** for the purchase of the exercised Option Aircraft.
All terms related to Customer’s Aircraft will apply *** to such exercised Option Aircraft. *** Boeing will prepare an invoice for the applicable Advance Payments due*** the exercised Option Aircraft. 

 

	8.	Assignment. 


Notwithstanding any other provisions of the Purchase Agreement, 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. 
  

	9.	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-03784-LA-1208938. 








 



 
  

 Very truly yours, 
  

			
	THE BOEING COMPANY
		
	By	 	***
	Its	 	Attorney-in-Fact
	
	ACCEPTED AND AGREED TO this
		
	Date:	 	March 1, 2013
	
	United Air Lines, Inc.
		
	By	 	/s/ Gerald Laderman
	Its	 	Senior Vice President – Finance and Treasurer








 Attachment A to 

Letter Agreement UAL-PA-03784-LA-1207879 
 737-900ER Option Aircraft Delivery, Description, Price and Advance Payments 
  

																					
	 Airframe Model/MTOW:
	  	 	737-900ER	  	  	 	***pounds	  	  		  	 Detail Specification:
	  	 	***	  	  			
	 Engine Model/Thrust:
	  	 	***	  	  	 	***pounds	  	  		  	 Airframe Price Base Year/Escalation Formula:
	  	 	***	  	  	 	***	  
	 Airframe Price:
	  				  	$	***	  	  		  	 Engine Price Base Year/Escalation Formula:
	  	 	***	  	  	 	***	  
	 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:
	  				  	$	***	  	  		  		  				  			
							
	 Deposit per Aircraft:
	  				  	$	***	  	  		  		  				  			

  

																																	
	Delivery	  	Number of	 	  	Escalation
Factor	 	  	 	  	 	  	Escalation Estimate 
Adv Payment Base 
	 	  	Advance Payment Per Aircraft (Amts. Due/Mos. Prior to 
Delivery):	 
	 Date
	  	Aircraft	 	  	(Airframe)	 	  	 	  	 	  	Price Per A/P	 	  	***	 	  	***	 	  	***	 	  	***	 
	 ***
	  	 	***	  	  	 	***	  	  		  		  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  		  		  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  		  		  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  		  		  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  		  		  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  		  		  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  		  		  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  


  

					
		 	Boeing / United Air Lines, Inc. Proprietary	 	Page 1










 Attachment A to 

Letter Agreement UAL-PA-03784-LA-1207879 
 737-900ER Option Aircraft Delivery, Description, Price and Advance Payments 
  


																																	
	Delivery	  	Number of	 	  	Escalation
Factor	 	  	 	  	 	  	Escalation Estimate 
Adv Payment Base 
	 	  	Advance Payment Per Aircraft (Amts. Due/Mos. Prior to 
Delivery):	 
	 Date
	  	Aircraft	 	  	(Airframe)	 	  	 	  	 	  	Price Per A/P	 	  	***	 	  	***	 	  	***	 	  	***	 
	 ***
	  	 	***	  	  	 	***	  	  		  		  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  		  		  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  		  		  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  		  		  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  		  		  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  		  		  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  		  		  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  		  		  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  		  		  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  		  		  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  		  		  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  		  		  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  		  		  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  		  		  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  		  		  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  		  		  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  		  		  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  		  		  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  		  		  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  


  

					
		 	Boeing / United Air Lines, Inc. Proprietary	 	Page 2










 Attachment A to 

Letter Agreement UAL-PA-03784-LA-1207879 
 737-900ER Option Aircraft Delivery, Description, Price and Advance Payments 
  


																																	
	Delivery	  	Number of	 	  	Escalation
Factor	 	  	 	  	 	  	Escalation Estimate 
Adv Payment Base 
	 	  	Advance Payment Per Aircraft (Amts. Due/Mos. Prior to 
Delivery):	 
	 Date
	  	Aircraft	 	  	(Airframe)	 	  	 	  	 	  	Price Per A/P	 	  	***	 	  	***	 	  	***	 	  	***	 
	 ***
	  	 	***	  	  	 	***	  	  		  		  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  		  		  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  		  		  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  		  		  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  		  		  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  		  		  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  		  		  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  		  		  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  		  		  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  		  		  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  		  		  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  		  		  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  		  		  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  		  		  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  		  		  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  		  		  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  		  		  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  		  		  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  		  		  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  


  

					
		 	Boeing / United Air Lines, Inc. Proprietary	 	Page 3










 Attachment A to 

Letter Agreement UAL-PA-03784-LA-1207879 
 737-900ER Option Aircraft Delivery, Description, Price and Advance Payments 
  


																																	
	Delivery	  	Number of	 	  	Escalation
Factor	 	  	 	  	 	  	Escalation Estimate 
Adv Payment Base 
	 	  	Advance Payment Per Aircraft (Amts. Due/Mos. Prior to 
Delivery):	 
	 Date
	  	Aircraft	 	  	(Airframe)	 	  	 	  	 	  	Price Per A/P	 	  	***	 	  	***	 	  	***	 	  	***	 
	 ***
	  	 	***	  	  	 	***	  	  		  		  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  		  		  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  		  		  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  		  		  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  		  		  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  		  		  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 ***
	  	 	***	  	  	 	***	  	  		  		  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  	  	$	***	  
	 Total:
	  	 	52	  	  				  		  		  				  				  				  				  			


  

					
		 	Boeing / United Air Lines, Inc. Proprietary	 	Page 4










			
	



	  	 The Boeing Company        

P.O. Box 3707                  

Seattle, WA 98124-2207 


 UAL-PA-03784-LA-1300306 
 United Air Lines, Inc. 
 233 South Wacker Drive 

Chicago, Illinois 60606 
  

			
	Subject:	  	Aircraft Reschedule – ***
		
	Reference:	  	Purchase Agreement No. PA-03784 (Purchase Agreement) between The Boeing Company (Boeing) and United Air Lines, Inc. (Customer) relating to
Model 737-900ER 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. 
 Boeing
and Customer agree to reschedule the contract delivery month of one (1) Aircraft (Rescheduled Aircraft) pursuant to the following: 
  

			
	 Current Delivery Month
	  	 Revised Delivery Month

	 ***
	  	***

 All terms and conditions applicable to the Aircraft under the Purchase Agreement shall remain unchanged
for the Rescheduled Aircraft, except for the revised advance payment amount due for the Rescheduled Aircraft. Boeing and Customer agree that the revised advance payment amount for the Rescheduled Aircraft will not be due until execution of
supplemental agreement number 2 to the Purchase Agreement. 
 The terms of this Letter Agreement will supersede the
corresponding terms of the Purchase Agreement. Boeing and Customer will execute supplemental agreement number 2 to the Purchase Agreement as soon as reasonably practicable after the execution of this Letter Agreement. The execution of the
supplemental agreement is to facilitate contract administration and is not a condition to the effectiveness of his Letter Agreement. In the event of any conflict between the terms and conditions of this Letter Agreement and the supplemental
agreement, the terms and conditions of this Letter Agreement shall control. 

  

					
	 UAL-PA-03784-LA-1300306
	  		  	
	 Aircraft Reschedule – ***
	  		  	LA Page 1
	BOEING / UNITED AIR LINES, INC. PROPRIETARY










 



 
  

 Very truly yours, 
  

			
	THE BOEING COMPANY
		
	By	 	***
	Its	 	Attorney-In-Fact
	
	ACCEPTED AND AGREED TO this
		
	Date:	 	2-13
	
	United Air Lines, Inc.
		
	By	 	/s/ Ron Baur
	Its	 	Vice President—Fleet


  

					
	 UAL-PA-03784-LA-1300306
	  		  	
	 Aircraft Reschedule – ***
	  		  	LA Page 2
	BOEING / UNITED AIR LINES, INC. PROPRIETARY