Supplemental Agreement No. 2 to Purchase AgreementNo. 3860 between TheBoeing Company and UnitedAirlines, Inc. Relating to Boeing Model 787 Aircraft

Exhibit 10.1

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. 2

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 16, 2013, 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, Boeing and Customer agree to substitute *** Model 787-*** aircraft (787-*** Aircraft) in lieu of Model 787-*** aircraft (787-*** Aircraft) and to revise the scheduled delivery for these Aircraft as follows:

WHEREAS, Boeing and Customer have previously agreed to accelerate the promotional support funds for the Aircraft so that such promotional support funds were made available Customer on ***; and

WHEREAS, Customer has agreed to configure the Aircraft with engines provided by General Electric;

BOEING / UNITED AIRLINES, INC. PROPRIETARY

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

Remove and replace, in its entirety, the “Table of Contents,” with the Table of Contents attached hereto, to reflect the incorporation of this Supplemental Agreement No. 2 into the Purchase Agreement.

2.1. Table 1 is replaced in its entirety with the Table 1 attached hereto that is related to and references this Supplemental Agreement for Model 787-8 aircraft.

2.2. Table 1 is replaced in its entirety with the Table 1 attached hereto that is related to and references this Supplemental Agreement for Model 787-9 aircraft.

2.3. Table 1 is replaced in its entirety with the Table 1 attached hereto that is related to and references this Supplemental Agreement for Model 787-10 aircraft.

Remove and replace, in its entirety, Letter Agreement UAL-PA-03860-LA-1209416 entitled “Promotional Support” with the revised Letter Agreement UAL-PA-03860-LA-1209416R1 attached hereto.

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 the page is intentionally blank. Signature page follows.]

BOEING / UNITED AIRLINES, INC. PROPRIETARY

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

BOEING / UNITED AIRLINES, INC. PROPRIETARY

TABLE OF CONTENTS

BOEING/UNITED AIRLINES, INC. PROPRIETARY

TABLE OF CONTENTS, CONTINUED

BOEING/UNITED AIRLINES, INC. PROPRIETARY

TABLE OF CONTENTS, CONTINUED

BOEING / UNITED AIRLINES, INC. PROPRIETARY

BOEING/UNITED AIRLINES, INC. PROPRIETARY

Table 1 to Purchase Agreement No. 3860

787-8 Aircraft with GENX-1B*** Engines Delivery, Description, Price and Advance Payments

All pricing and payment amounts are in United States Dollars (USD).

Table 1 to Purchase Agreement No. 3860

*** 787-9 *** Aircraft Executed via SA-1

FOR *** PURPOSES ONLY: UNTIL *** PRIOR TO APPLICABLE AIRCRAFT DELIVERY

All pricing and payment amounts are in United States Dollars (USD).

Table 1 to Purchase Agreement No. 3860

787-9 Aircraft with GENX-1B*** Engines Delivery, Description, Price and Advance Payments

APBP beginning *** prior to applicable delivery for *** 787-9 aircraft only

All pricing and payment amounts are in United States Dollars (USD).

Table 1 to Purchase Agreement No. 3860

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

(787-10/GE/***)

Table 1 to Purchase Agreement No. 3860

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

(787-10/GE/***)

All pricing and payment amounts are in United States Dollars (USD).

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

UAL-PA-03860-LA-1209416R1

United Airlines, Inc.

233 South Wacker Drive

Chicago, Illinois 60606

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.

In support of Customer’s marketing and promotion programs associated with the launch of the Model 787 and introduction of the Aircraft into service, Boeing agrees *** Customer’s external expenses for such programs *** after delivery of the first Aircraft to Customer. Boeing will match Customer’s external expenses up to $*** for the first Aircraft and up to $*** for each additional Aircraft up to a maximum of *** total Aircraft. These programs may include *** promotion programs and advertising campaigns.

Boeing’s obligation to provide this *** support will commence at the time the purchase of the Aircraft becomes firm (not subject to cancellation by either party) and terminate *** after the delivery of the first Aircraft. Boeing will provide payment of matching funds upon receipt of copies of invoices detailing such expenses incurred within the period starting from *** through *** after the actual delivery of the first Aircraft to Customer. There will be no cash payments or other support in lieu thereof.

Following the execution of this Letter Agreement, a Boeing Airline Marketing Services representative will meet with Customer’s designated representative to discuss the extent, selection, scheduling, and *** process for the program.

Customer understands that certain commercial and financial information contained in this Letter Agreement is considered by Boeing as confidential. Customer agrees that it will treat this Letter Agreement and the information contained herein as confidential and will not, without the prior written consent of Boeing, 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 regulation.

BOEING / UNITED AIRLINES, INC. PROPRIETARY

Very truly yours,

BOEING / UNITED AIRLINES, INC. PROPRIETARY