Letter Agreement No. 6-1162-ELP-0781



 Exhibit 10.12 

6-1162-ELP-0781 
 United Air Lines, Inc.

 P. O. Box 66100 
 Chicago, IL
60601-0100 
  

			
	Subject:	  	Additional Special Matters
		
	Reference:	  	Purchase Agreement No. 3427 (Purchase Agreement) between The Boeing Company (Boeing) and United Air Lines, Inc. (Customer) relating to Model 787-8
aircraft.

 This letter agreement (Letter Agreement) amends and supplements the Purchase Agreement. All capitalized terms used but
not defined in this Letter Agreement have the same meaning as in the Purchase Agreement. 
 1. [CONFIDENTIAL MATERIAL OMITTED AND FILED
SEPARATELY WITH THE SEC PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT] 
 2. [CONFIDENTIAL MATERIAL OMITTED AND FILED SEPARATELY WITH
THE SEC PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT] 
 3. Notice of [CONFIDENTIAL MATERIAL OMITTED AND FILED SEPARATELY WITH
THE SEC PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT] 
 3.1 Should Customer elect to [CONFIDENTIAL MATERIAL OMITTED
AND FILED SEPARATELY WITH THE SEC PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT] 
 4. [CONFIDENTIAL MATERIAL OMITTED AND FILED
SEPARATELY WITH THE SEC PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT] 
 5. [CONFIDENTIAL MATERIAL OMITTED AND FILED SEPARATELY WITH
THE SEC PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT]. 
 6. Alternative to [CONFIDENTIAL MATERIAL OMITTED AND FILED SEPARATELY WITH
THE SEC PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT] 
  

 P.A. No. 

Additional Special Matters 

BOEING / UNITED PROPRIETARY 









 United Air Lines, Inc. 

6-1162-ELP-0781 
  

 As an alternative to [CONFIDENTIAL MATERIAL OMITTED AND FILED SEPARATELY WITH THE
SEC PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT] in accordance with terms and conditions described in paragraph 3, in conjunction with the [CONFIDENTIAL MATERIAL OMITTED AND FILED SEPARATELY WITH THE SEC PURSUANT TO A REQUEST FOR
CONFIDENTIAL TREATMENT]. 
 7. Applicability of Certain Terms and Conditions. 

[CONFIDENTIAL MATERIAL OMITTED AND FILED SEPARATELY WITH THE SEC PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT] 

8 [CONFIDENTIAL MATERIAL OMITTED AND FILED SEPARATELY WITH THE SEC PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT] 

9 [CONFIDENTIAL MATERIAL OMITTED AND FILED SEPARATELY WITH THE SEC PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT] 

10. Assignment. 
 The
rights and obligations described in this Letter Agreement are provided to Customer in consideration of Customer becoming the operator of the Aircraft and can only be assigned, in whole or in part, pursuant to Article 9 of the AGTA as amended by
Letter Agreement No. 6-1162-IRS-0184. 
 11. [CONFIDENTIAL MATERIAL OMITTED AND FILED SEPARATELY WITH THE SEC PURSUANT TO A REQUEST FOR
CONFIDENTIAL TREATMENT] 
  

 P.A. No. 3427 

Additional Special Matters 

BOEING / UNITED PROPRIETARY 









 United Air Lines, Inc. 

6-1162-ELP-0781 
  

 12 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. 6-1162-IRS-0182. 
  

			
	Very truly yours,
	
	THE BOEING COMPANY
		
	By	 	 /s/ Nobuko Wiles

		
	Its	 	 Attorney-In-Fact

	
	ACCEPTED AND AGREED TO this
	
	Date: February 19, 2010
	
	UNITED AIR LINES, INC.


			
		
	By	 	 /s/ Kathryn A. Mikells

		
	Its	 	
Executive Vice President and Chief Financial Officer



 

 P.A. No. 3427 

Additional Special Matters 

BOEING / UNITED PROPRIETARY 









 Attachment A to 

6-1162-ELP-0781 
  

 [CONFIDENTIAL MATERIAL OMITTED AND FILED SEPARATELY WITH THE SEC 

PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT] 

 

 P.A. No. 

Additional Special Matters 

BOEING / UNITED PROPRIETARY