Document:

Exhibit 10.1

 Exhibit 10.1 
 Lockheed Martin Corporation 
 Severance Benefit Plan For Certain Management
Employees 
 Originally Effective January 1, 2008 
 Amended and Restated Effective June 26, 2008 
 Amended and Restated Effective
December 31, 2010 
 Amended and Restated Effective April 3, 2012 

Amended and Restated Effective September 18, 2012 
 This document sets forth the terms of the Lockheed Martin Corporation Severance Benefit Plan for Certain Management Employees (the “Plan”). The Plan provides benefits to Eligible Employees who
leave the employment of the Corporation as a result of an Executive Layoff Event and otherwise satisfy the eligibility requirements of the Plan. The Plan is intended to constitute an employee welfare benefit plan under the Employee Retirement Income
Security Act of 1974 (“ERISA”) that provides severance benefits to a select group of management or highly compensated employees. 
  

	1.	Definitions. The following terms when capitalized have the following meaning: 

 

	 	(a)	Affiliate - Any person, any corporation, association, partnership, joint venture or other business entity of which 50% or more of the voting stock or other
equity interests (in the case of entities other than corporations), is owned or controlled (directly or indirectly) by the Company or by one or more of its Affiliates, or by a combination thereof. 

 

	 	(b)	Annual Base Pay - An amount equal to fifty-two (52) weeks of Base Pay. 

 

	 	(c)	Base Pay - The Employee’s weekly salary at the time of the Employee’s Termination of Employment. Base Pay shall not include management incentive
compensation, overtime or any other additions to salary. 

  

	 	(d)	Basic Severance Benefit - The benefit payable under Section 5(a) of the Plan. 

 

	 	(e)	 Cause - Any of the following: (i) Commission of a crime that the Company determines could harm the Company’s reputation or financial
prospects or could subject the Company to penalties or sanctions; (ii) A violation of any of the Company’s corporate policy statements that involve compliance with law which violation the Company determines could harm the Company’s
reputation or financial prospects; (iii) A violation of the Company’s Code of Ethics and Business Conduct that the Company determines could harm the Company’s reputation or financial prospects; (iv) Refusal to cooperate with the
Company in a Company investigation; or (v) Any similar conduct with respect to which the Company determines in 

  

					
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its sole discretion that the payment of a benefit under the Plan would not be in the Company’s best interest. 

 

	 	(f)	Claims Administrator - The Committee, in the case of an Officer, and the Savings Plan Administrative Committee, in the case of any other Employee.

  

	 	(g)	Committee - The Management Development and Compensation Committee of the Company’s Board of Directors. 

 

	 	(h)	Company - Lockheed Martin Corporation. For the purposes of the Plan, the term “Company” shall include any successor entity (by merger or otherwise).

  

	 	(i)	Eligible Employee - An Employee who satisfies the requirements for eligibility for coverage under Section 3 and who is not covered by any of the exceptions
described in Section 4. 

  

	 	(j)	Employee - An individual who is employed by the Company and is treated on the Company’s payroll records as a salaried employee of the Company. The term
“Employee” includes an Officer but does not include anyone who is not a citizen or resident of the United States and whose duties are primarily performed outside the United States. 

 

	 	(k)	Executive Layoff Event - Termination of Employment of an Eligible Employee that is (i) initiated by the Company for reasons other than for Cause; and
(ii) designated by the Board of Directors in the case of an Officer, or the Senior Vice President, Human Resources in the case of any Eligible Employee other than an Officer, as an Executive Layoff Event. An Executive Layoff Event does not
include a termination that is described in Section 4. 

  

	 	(l)	Follow-on Benefits - A payment equal to the cost to the Eligible Employee of continuing for one year his or her coverage under the Company’s medical, dental
and vision plans under the plans and with the same level of coverage as elected by the Eligible Employee during open enrollment for the Plan Year in which the Executive Layoff Event occurs (but excluding flexible spending account plans). The amount
will be equal to the cost charged Employees for coverage provided by the Company pursuant to the Consolidated Omnibus Budget Reconciliation Act of 1987 (COBRA coverage). 

 

	 	(m)	Full Bonus Equivalent - An amount equal to an Eligible Employee’s Annual Base Pay multiplied by the target level assigned to the Eligible Employee under
Paragraph B of Exhibit A to the Lockheed Martin Corporation 2006 Management Incentive Compensation Plan (Performance-Based) or any successor plan. 

  

	 	(n)	Long Term Incentive Performance Award - A cash award under the Lockheed Martin Corporation Amended and Restated 2003 Incentive Performance Award Plan or any
successor plan that measures performance over a three year cycle. 

  

	 	(o)	 Officer - An Employee who is elected as an officer of the Company by the Board of

  

					
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Directors. 

  

	 	(p)	Plan Administrator - Lockheed Martin Corporation. 

  

	 	(q)	Plan Year - The 12-month period beginning on January 1 each year and ending on the following December 31. 

 

	 	(r)	Prorated Bonus Equivalent - (1) An amount equal to (i) an Eligible Employee’s Base Pay multiplied by the target percentage assigned to the
Eligible Employee under Paragraph B of Exhibit A to the Lockheed Martin Corporation 2006 Management Incentive Compensation Plan (2006) (or any successor plan) (“MICP”) and (ii) then multiplying the product obtained under
(i) by the number of full weeks for which the Eligible Employee was employed by the Company in the Plan Year in which the Executive Layoff Event occurs. 

 (2) Notwithstanding the foregoing, with respect to Eligible Employees who are not Officers, the Prorated Bonus Equivalent shall be the greater of (i) the amount described in (r)(1) above, and
(ii) an amount equal to (a) an Eligible Employee’s Base Pay multiplied by the target percentage assigned to the Eligible Employee under Paragraph B of Exhibit A of the MICP, and (b) then multiplying (in the manner described in
under Exhibit A of the MICP) the product obtained under (a) by the most recent organizational and individual factors that were approved by the Company’s Board of Directors under the MICP prior to the Executive Layoff Event, and
(c) then multiplying the product obtained under (b) by the number of full weeks for which the Eligible Employee was employed by the Company in the Plan Year in which the Executive Layoff Event occurs. 

 

	 	(s)	Salaried Employee Plan - The Severance Benefit Plan for Employees of Lockheed Martin Corporation or any successor plan that provides benefits in the case of a
layoff or reduction in force to salaried employees of the Company or its Affiliates. 

  

	 	(m)	Severance Benefit - Benefits payable under the Plan which could be a Basic Severance Benefit or a Supplemental Severance Benefit. 

 

	 	(n)	Supplemental Severance Benefit - The benefit payable under Section 5(b) of the Plan. 

 

	 	(o)	Termination of Employment - A separation from service as such term is defined in Code section 409A and the regulations thereunder. 

 

	 	(p)	Years of Service - The number of consecutive calendar months from (and including) the month of the Eligible Employee’s date of hire through and including
the month in which the applicable Employee’s Executive Layoff Event occurs, divided by 12, subject to the following: 

  

					
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	 	(i)	Service Limited to Whole Years. Fractional Years of Service will be disregarded, so that only full Years of Service will be recognized. The only exception
relating to fractional years of service pertains to Eligible Employees who have more than six months of service, but less than a full year of service, in which case the Years of Service will be calculated as one year. 

 

	 	(ii)	Certain Periods of Leave. Time periods of leave during the Employee’s employment that do not or would not qualify for credited service under the pension
plan applicable to the Eligible Employee will be deducted from the total period of employment to calculate the Eligible Employee’s Years of Service; 

  

	 	(iii)	An Eligible Employee’s Years of Service under the foregoing rules shall never exceed the actual number of full years worked by the Employee for the Company.

  

	2.	Effective Date. The Plan shall be effective with respect to Executive Layoff Events that occur and are announced on or after January 1, 2008.

  

	3.	Eligibility for Coverage. An Employee shall be eligible for coverage under the Plan if the Employee satisfies all of the following: 

 

	 	(a)	At the time of the Executive Layoff Event, the Employee is either 

  

	 	(i)	an Officer, 

  

	 	(ii)	an Employee who has been granted a Long Term Incentive Performance Award for which a performance cycle is still ongoing; or 

 

	 	(iii)	an Employee who is designated in writing by the Senior Vice President, Human Resources to participate in the Plan. 

 

	 	(b)	The Employee has not waived coverage under the Plan; 

  

	 	(c)	The Employee is not receiving a benefit under the Salaried Employee Plan and is not a party to another plan, agreement or arrangement providing severance or similar
benefits on account of termination of employment; 

  

	 	(d)	The Employee is not disqualified for a Severance Benefit because the Employee’s Termination of Employment is on account of one of the exceptions set forth in
Section 4; and 

  

	 	(e)	The Senior Vice President, Human Resources determines in his or her sole discretion that the Employee’s employment has terminated or will terminate on account of
Executive Layoff Event. In the case of an Officer, this determination will be made by the Committee in its sole discretion. 

  

					
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	4.	Exceptions To Coverage As An Executive Layoff Event. Notwithstanding Section 3 or anything else to the contrary, an Employee’s termination of
employment will not be considered to have occurred on account of an Executive Layoff Event and the Employee will not be entitled to a Severance Benefit if: 

 

	 	(a)	the Employee is transferred to or assumes another position within the Company or with any Affiliate; 

 

	 	(b)	the Employee is transferred to, assumes, or is offered a job or position with (A) a purchaser of stock of the Company, or of assets of the Company, or of a
business unit(s) of the Company, or of stock or other equity interests or assets of an Affiliate(s) or of a business unit(s) of an Affiliate; (B) the surviving entity following a merger or consolidation of the Company or an Affiliate(s) with
another entity; (C) an entity serving as a contractor or a succeeding contractor (including a subcontractor or outsourcer) for business or functions performed by the Company; (D) an entity including but not limited to a joint venture,
limited liability company or partnership to whom control of a business unit, organization or function within the Company or a business unit of the Company or of an Affiliate, or contract is transferred, whether by a stock or asset sale or other
means; or (E) an affiliate of any such purchaser, contractor, succeeding contractor, subcontractor, outsourcer or entity; 

  

	 	(c)	the Employee is terminated for Cause; or 

  

	 	(d)	the Employee terminates employment on his or her own initiative including retirement, resignation, failure to return from leave of absence or disability, or dies. If an
Employee elects to retire concurrent with an Executive Layoff Event, then the Employee will not fall within this exception to coverage. 

  

	5.	Calculation of Severance Benefit. 

  

	 	(a)	Basic Severance Benefit Applicable to all Eligible Employees. The Basic Severance Benefit payable to an Eligible Employee shall equal two weeks of the Eligible
Employee’s Base Pay. 

  

	 	(b)	 Supplemental Severance Benefit. The following Supplemental Severance Benefits are in addition to the Basic Severance Benefit and are available
only to Eligible Employees who within 45 calendar days of the Eligible Employee’s Termination of Employment as a result of an Executive Layoff Event execute (i) a valid and binding written release

  

					
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of the Company and its directors, officers and Employees of claims of any kind or nature in respect of the Employee’s employment with the Company and any predecessor employer (and each of
their affiliates) in the form supplied by the Company; and do not revoke any such release of claims within any revocation period provided for in the release of claims, and, (ii) except where prohibited under applicable law, a Post-Employment
Conduct Agreement substantially in the form attached to the Plan as Exhibit A and as amended to reflect specific jurisdictional or other requirements. 

  

	 	i.	For the Chief Executive Officer – a lump sum payment equal to the sum of 2.99 times Annual Base Pay plus 2.99 times Full Bonus Equivalent plus Follow-on Benefits.

  

	 	ii.	For an Officer other than the Chief Executive Officer – a lump sum payment equal to the sum of Annual Base Pay plus Full Bonus Equivalent plus Follow-on Benefits.

  

	 	iii.	For an Eligible Employee who has received a Long Term Incentive Performance Award for which the performance period has not concluded or any other Eligible Employee and
is not covered by Section 5(b)(i) or (ii) above – a lump sum payment equal to the sum of (a) the product of the number of full Years of Service (up to a maximum of 26) credited to the Eligible Employee multiplied by the Eligible
Employee’s weekly rate of Base Pay at the time of termination of employment, plus (b) the Eligible Employee’s Pro Rata Bonus Equivalent, plus (c) Follow-on Benefits. Notwithstanding the foregoing, the Supplemental Severance
Benefit for an Eligible Employee who is not an Officer shall be no less than 13 times the Eligible Employee’s weekly rate of Base Pay at the time of termination of employment. 

 

	 	iv.	 In addition to the applicable amount specified in Section (b) (i), (ii), or (iii) above, an Eligible Employee who is receiving a Supplemental
Severance Benefit also will be eligible to receive (a) outplacement services for one year (or, with respect to Eligible Employees who are not Officers, the cash value of the outplacement services as set forth in Section 5(c)(iii)(1), if
applicable); and (b) if the Eligible Employee relocated in order to fill the position held by the Eligible Employee at the time of the Executive Layoff 

  

					
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Event, he or she will also be eligible for relocation services in accordance with CPS 538 (or, with respect to Eligible Employees who are not Officers and who relocated pursuant to CPS 538 after
December 31, 2007, the cash payment set forth in Section 5(c)(iii)(2), if applicable). 

  

	 	(c)	Timing of Payment of Severance Benefit - The amount of the Severance Benefit payable under Section 5(a) and Section 5 (b)(i), (ii) or
(iii) above will be paid in a lump sum, less applicable tax withholdings as follows: 

  

	 	i.	In the case of payment of a Basic Severance Benefit, as soon as practicable following the Eligible Employee’s Executive Layoff Event (and the expiration of any
applicable revocation period thereunder without revocation of such release of claims), but in no event later than the March 15 immediately following the year in which the Eligible Employee’s Executive Layoff Event; and

  

	 	ii.	In the case of payment of a Supplemental Severance Benefit, as soon as practicable following the Eligible Employee’s (a) Executive Layoff Event, and
(b) execution of a release of claims following such Executive Layoff Event, but in no event later than the March 15 immediately following the year in which the Eligible Employee’s Executive Layoff Event occurs. Outplacement and
relocation expenses paid as part of the Supplemental Severance Benefit will be provided by a third party provider selected by the Company. Outplacement or relocation expenses will be paid by the Company to the third party providing the services
following billing to the Company and must be incurred no later than December 31 of the second year following the year in which the Eligible Employee’s Executive Layoff Event occurred and paid by the Company no later than December 31
of the third year following the year in which the Eligible Employee’s termination of employment occurred. 

  

	 	iii.	Notwithstanding the foregoing, for Executive Layoff Events occurring between March 1, 2012 and December 31, 2013: 

 

	 	1.	an Eligible Employee other than an Officer may elect to receive (in lieu of outplacement services) a cash payment equal to $10,000 for Level 7 Directors and $15,000 for
Level 8 Vice Presidents. 

  

	 	2.	 an Eligible Employee who is not an Officer and who relocated pursuant to CPS 538 after December 31, 2007 may elect to

  

					
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receive (in lieu of relocation services) a cash payment in the amount of $75,000. 

  

	 	(d)	The cash payments described in Section 5(c)(iii) will be paid (less applicable tax withholdings) on the same terms and conditions as the Supplemental Severance
Benefit as soon as practicable following the Eligible Employee’s (a) Executive Layoff Event, and (b) execution of a release of claims following such Executive Layoff Event, but in no event later than the March 15 immediately
following the year in which the Eligible Employee’s Executive Layoff Event occurs. The elections described in this Section 5(c)(iii) shall be made at such time and in such manner as determined by the Company in its sole discretion. If no
such election is made, the Eligible Employee shall remain eligible for outplacement and relocation services as set forth in Section 5(c)(ii), and the amounts paid by the Company for such services shall be reported as taxable income to the
Eligible Employee. 

  

	 	(e)	Maximum Benefit Payable - Notwithstanding anything in the Plan to the contrary, if the total amount of benefits, including Plan benefits, provided to an Eligible
Employee would result in an “excess parachute payment” within the meaning of Section 280G of the Internal Revenue Code of 1986, as amended, the Company, in its sole discretion, may reduce the benefits provided under the Plan so
that the total payment will not result in an excess parachute payment to the Eligible Employee. 

  

	 	(f)	Specified Employees - The benefits under this Plan are intended to meet the exceptions under Code section 409A for short term deferrals, involuntary severance
payments, and/or benefits payable within a limited time after separation from service. However, to the extent any benefit payable under this Plan to an Eligible Employee who is a “specified employee” (as defined in Code section 409A) is
subject to Code section 409A, such benefit payment shall be delayed until 6 months following the month in which the Eligible Employee has a Termination of Employment from the Company. 

 

	6.	Further Conditions on Payment of Severance Benefit. 

  

	 	(a)	 The Company retains the right to condition payment of a Basic Severance Benefit or Supplemental Severance Benefit upon the Eligible Employee
maintaining fully satisfactory work performance until the effective date of the Eligible Employee’s Executive Layoff Event as agreed to by the Company, including the Eligible Employee’s faithful performance of any remaining obligations the
Eligible Employee may owe to the Company such as prompt reimbursement to the Company for cash 

  

					
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advances and debit balances and the return of all Company property. To the extent the Eligible Employee fails to maintain fully satisfactory work performance until the effective date of the
Eligible Employee’s Executive Layoff Event, such Eligible Employee shall forfeit his or her Basic Severance Benefit and/or Supplemental Severance Benefit, in their entirety, to the extent of any such benefit.  

 

	 	(b)	In the event an Eligible Employee who is entitled to a Supplemental Severance Benefit becomes employed by the Company (or an Affiliate) prior to the first anniversary
of his or her Executive Layoff Event, the Eligible Employee shall be obligated to repay to the Company an amount equal to the amount of the Employee’s Supplemental Severance Benefit multiplied by a fraction, the numerator of which is the number
of weeks (capped at 52) in the one-year period following the Employee’s termination of employment during which the Employee is employed by the Company and the denominator of which is (i) fifty-two (52), in the case of an Officer; and
(ii) twenty-six (26) in the case of any other Eligible Employee. 

  

	 	(c)	If an Eligible Employee dies after his or her Termination of Employment, but before payment of a Basic Severance Benefit is made, the Basic Severance Benefit will be
paid to his or her estate. If an Eligible Employee dies after he or she has signed the release of claims and the release of claims is delivered to the Company within the time limit provided in Section 5(b) of the Plan, then the Supplemental
Severance Benefit will be paid to his or her estate. 

  

	 	(d)	 The benefits under the Plan are in lieu of, and not in addition to, any other severance or similar benefits for which the Eligible Employee may be
eligible under any Company plan, policy, agreement or arrangement (including but not limited to the Salaried Employee Plan). As a condition to receiving a benefit under the Plan, the Company may require that the Eligible Employee waive rights under
all other plans, policies, agreements or arrangements providing severance or similar benefits or may reduce the amount payable under the Plan by the amount payable under any other such plan policy, agreement or arrangement. In no event shall the
Company’s administration of the Plan in accordance with the preceding sentence operate to delay payment of a benefit under the Plan to an Eligible Employee beyond March 15th immediately following the year in which such Eligible Employee’s Executive Layoff Event occurs.

  

	7.	 Administration. The Company may appoint or employ such persons as it deems necessary to render advice with respect to any responsibility of the
Company under the Plan. 

  

					
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The Committee, with respect to Officers, and the Savings Plan Administrative Committee, with respect to all other Employees shall determine the eligibility of any Employee to participate
in the Plan and the right of any Employee to any benefit
and the amount of any benefit payable under the Plan to any individual. The Committee and the Savings Plan Administrative Committee shall have the discretionary authority to interpret any term of the Plan. 

 

	8.	Claims Procedure. 

  

	 	(a)	The Senior Vice President, Human Resources shall notify each Eligible Employee who has been determined to have incurred an Executive Layoff Event and who is eligible to
receive benefits under the Plan and shall provide any forms required in connection with application for such benefits. If any Employee disagrees with determination of his or her benefits, the Employee may submit a written statement to the Claims
Administrator describing the basis of the claim for benefits, together with any forms required in connection with application for a benefit, at any time within the 120 day period following the date on which the Employee claims to have become
entitled to the Basic Severance Benefits or the Supplemental Severance Benefits. 

  

	 	(b)	The procedures when a claim under the Plan is wholly or partially denied are as follows: 

 

	 	(i)	The Claims Administrator shall, within 90 days after receipt of a claim, furnish to claimant a written notice setting forth, in a manner calculated to be understood by
claimant: (1) the specific reason or reasons for the denial; (2) specific reference to pertinent Plan provisions on which the denial is based; (3) a description of any additional materials or information necessary for the claimant to
perfect the claim and an explanation of why such material or information is necessary; (4) an explanation of the steps to be taken if the claimant wishes to have the denial reviewed; and (5) a statement of the claimant’s right to
bring a civil action under section 502(a) of ERISA following an adverse determination on review. The 90 day period may be extended for not more than an additional 90 days if special circumstances make such an extension necessary. The Claims
Administrator shall give the claimant, before the end of the initial 90 day period, a written notice of such extension, stating such special circumstances and the date by which the Senior Vice President expects to render a decision.

  

	 	(ii)	 By a written application filed with the Claims Administrator within 60 days after receipt by claimant of the written notice described in paragraph (a),
the claimant or his or her 

  

					
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duly authorized representative may request review of the denial of his or her claim by the Claims Administrator. 

 

	 	(iii)	In connection with review by the Claims Administrator, the claimant or his duly authorized representative may submit issues, comments, documents, records and other
information relating to the claim for benefits under the Plan to the Claims Administrator. In addition, the claimant will be provided, upon request and free of charge, reasonable access to and copies of all documents, records, or other information
“relevant” to claimant’s claim for benefits. A document, record, or other information is “relevant” if it: (1) was relied upon in making the benefit determination; (2) was submitted, considered or generated in the
course of making the benefit determination, without regard to whether such document, record or information was relied upon in making the benefit determination; or (3) demonstrates compliance with administrative processes and safeguards required
under federal law. 

  

	 	(iv)	 The Claims Administrator will provide an impartial review that takes into account all comments, records and other information submitted by the claimant
relating to the claim, without regard to whether such information was submitted or considered in the initial benefit determination. The Claims Administrator shall make a decision and furnish such decision in writing to the claimant within 60 days
after receipt by the Claims Administrator of the request for review. This period may be extended by the Claims Administrator to not more than 120 days after such receipt if special circumstances make such an extension necessary. The claimant will be
notified in writing prior to the expiration of the original 60 day period if such an extension is required, and such notice will include the reason for the extension and the date by which it is expected that a decision will be reached. The decision
on review shall be in writing, set forth in a manner calculated to be understood by the claimant and shall include: (1) the specific reasons for the decision; (2) specific reference to the pertinent Plan provisions on which the decision is
based; (3) a statement that the claimant is entitled to receive, upon request and free of charge, reasonable access to and copies of all documents, records, and other information “relevant” to the claimant’s claim for benefits;
(4) a description of any additional material or information necessary for the claimant to perfect the claim and an explanation of why such material or information is necessary; (5) a statement describing any voluntary appeal procedures and
the claimant’s right to obtain information about such procedures, if any; and (6) a statement of the claimant’s right to bring a civil 

  

					
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action under section 502(a) of ERISA following an adverse benefit determination on review. In the event that the Claims Administrator must make a determination of disability in order to decide a
claim, the Claims Administrator shall follow the special claims procedures for disability benefits described in Department of Labor Regulation section 2560.503-1(d). The Claims Administrator shall render a decision within a reasonable time (not to
exceed 90 days) after the claimant’s request for review, rather than within 120 days as set forth in the above paragraph. 

  

	 	(v)	In filing a claim or appeal under this Section 8, an Employee at his or her option may act through an authorized representative. 

 

	9.	Funding. The Plan shall not be funded through a trust, insurance contract or otherwise, and all benefit payments from the Plan shall be made from the
general assets of the Company. Accordingly, an Employee shall not have any claim against specific assets of the Company, and shall be only a general creditor, with respect to any rights he/she may have under the Plan. 

 

	10.	 Amendment and Termination of Plan. The Plan may be amended, in whole or in part, at any time by action of the Committee or by any
authorized delegate, without notice, except that any amendment that would change the eligibility requirements or the amount of benefits payable under the Plan must be approved by the Committee. The Plan may be terminated by action of the Committee
at any time. Upon termination of the Plan, the Company shall have no further liability hereunder, and all Plan benefits (including any amounts payable to Employees who separated from service before the date of Plan termination) shall cease.

  

	11.	No Assignment. No Basic Severance Benefit or Supplemental Severance Benefit payable under the Plan may be assigned, transferred, pledged as a security for
indebtedness or otherwise encumbered, or subjected to any legal process for the payment of any claim against an Employee. 

  

	12.	 Relationship to Other Benefits. An Employee’s Basic Severance Benefit or Supplemental Severance Benefit shall not be taken into account to
increase any benefits provided (or to continue coverage) under any other plan, policy, or arrangement of the Company or any Affiliate, except as otherwise expressly provided in writing in the other plan, policy, or

  

					
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arrangement, including accelerating vesting or other rights under the Lockheed Martin Corporation Amended and Restated Incentive Performance Award Plan (or any successor plan).

  

	13.	Governing Law. Except to the extent preempted by Federal law, the Plan shall be construed, administered and enforced according to the laws of the State of
Maryland, without regard to its conflict of laws provisions. Notwithstanding anything herein to the contrary, payments under this Award Agreement shall be made at a time and in a manner that satisfies the requirements of Internal Revenue Code
Section 409A. 

 The Plan has been approved by the Management Development and Compensation Committee and is
effective as of January 1, 2008. Amendments to the Plan are effective as of the date(s) set forth above. 

  

					
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 Exhibit A 
 Post-Employment Conduct Agreement 
 [Will vary by state and current legal
and professional requirements 
 at time of termination – applicable provisions may be incorporated into the

 release of claims agreement in lieu of a separate PECA] 

This Post Employment Conduct Agreement dated
[                    ] (this “PECA”), together with the Release of Claims being entered into contemporaneous with this PECA, is entered
into in consideration of the payment (“Severance Payment”) to be made to me under the Lockheed Martin Corporation Severance Benefit Plan for Certain Management Employees (“Severance Plan”). By signing below, I agree as follows:

 (1) Restrictions Following Termination of Employment. 

(a) Covenant Not To Compete - [NOT APPLICABLE IN CALIFORNIA OR FOR ATTORNEYS] Without the express written consent of the
[Chief Executive Officer/Senior Vice President, Human
Resources]1 of the Company, during the [two/one]2 -year period following the date of my termination of employment with the Company (“Termination Date”), I will not, directly or
indirectly, be employed by, provide services to, or advise a “Restricted Company” (as defined in Section 6 below), whether as an employee, advisor, director, officer, partner or consultant, or in any other position, function or role
that, in any such case, 
  

	 	(i)	oversees, controls or affects the design, operation, research, manufacture, marketing, sale or distribution of “Competitive Products or Services” (as defined
in Section 6 below) of or by the Restricted Company, or 

  

	 	(ii)	would involve a substantial risk that the “Confidential or Proprietary Information” (as defined in Section 1(c) below) of the Company (including
but not limited to technical information or intellectual property, strategic plans, information relating to pricing offered to the Company by vendors or suppliers or to prices charged or pricing contemplated to be charged by the Company, information
relating to employee performance, promotions or identification for promotion, or information relating to the Company’s cost base) could be used to the disadvantage of the Company. 

(b) Non-Solicit - Without the express written consent of the [Chief Executive Officer/Senior Vice
President, Human Resources]1 of the Company, during
the [two/one]2 -year period following the Termination Date, I will not (i) interfere with any contractual relationship between the Company and any customer, supplier, distributor or manufacturer of or to the
Company to the detriment of the Company or (ii) induce or attempt to induce any person who is an employee of the Company to perform work or services for any entity other than the Company. 

 

	1 	CEO for elected officers; SVP HR for others. 

	2 	Two years for elected officers; one year for others. 

  

					
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 (c) Protection of Proprietary Information - Except to the extent required by law,
following my Termination Date, I will have a continuing obligation to comply with the terms of any non-disclosure or similar agreements that I signed while employed by the Company committing to hold confidential the “Confidential or Proprietary
Information” (as defined below) of the Company or any of its affiliates, subsidiaries, related companies, joint ventures, partnerships, customers, suppliers, partners, contractors or agents, in each case in accordance with the terms of such
agreements. I will not use or disclose or allow the use or disclosure by others to any person or entity of Confidential or Proprietary Information of the Company or others to which I had access or that I was responsible for creating or overseeing
during my employment with the Company. In the event I become legally compelled (by deposition, interrogatory, request for documents, subpoena, civil investigative demand or otherwise) to disclose any proprietary or confidential information, I will
immediately notify the Company’s Senior Vice President and General Counsel as to the existence of the obligation and will cooperate with any reasonable request by the Company for assistance in seeking to protect the information. All
materials to which I have had access, or which were furnished or otherwise made available to me in connection with my employment with the Company shall be and remain the property of the Company. For purposes of this PECA, “Confidential or
Proprietary Information” means Proprietary Information within the meaning of CPS 710 (a copy of which has been made available to me), including but not limited to information that a person or entity desires to protect from unauthorized
disclosure to third parties that can provide the person or entity with a business, technological, or economic advantage over its competitors, or which, if known or used by third parties or if used by the person’s or entity’s employees or
agents in an unauthorized manner, might be detrimental to the person’s or entity’s interests. Confidential or Proprietary Information may include, but is not limited to: 

 

	 	(i)	existing and contemplated business, marketing and financial business information such as business plans and methods, marketing information, cost estimates, forecasts,
financial data, cost or pricing data, bid and proposal information, customer identification, sources of supply, contemplated product lines, proposed business alliances, and information about customers or competitors, or 

 

	 	(ii)	existing or contemplated technical information and documentation pertaining to technology, know how, equipment, machines, devices and systems, computer hardware and
software, compositions, formulas, products, processes, methods, designs, specifications, mask works, testing or evaluation procedures, manufacturing processes, or production processes. 

(d) No disparagement - Following the Termination Date, I will not make any statements, whether verbal or written, that disparage
or reasonably may be interpreted to disparage the Company or its stockholders, directors, officers, employees, agents, attorneys, representatives, technology, products or services with respect to any matter whatsoever. 

(e) Cooperation in Litigation and Investigations - Following the Termination Date, I will, to the extent reasonably requested,
cooperate with the Company in any pending or future litigation (including alternative dispute resolution proceedings) or investigations in which the Company or any of its subsidiaries or 

  

					
	EXECUTION COPY	  	15	  	

 
affiliates is a party or is required or requested to provide testimony and regarding which, as a result of my employment with the Company, I reasonably could be expected to have knowledge or
information relevant to the litigation or investigation. Notwithstanding any other provision of this PECA, nothing in this PECA shall affect my obligation to cooperate with any governmental inquiry or investigation or to give truthful testimony in
court. 
 2. Consideration and Release of Claims. I acknowledge and agree that the Severance Payment being made to me is
in addition to the payments or benefits that otherwise are or would be owed to me by the Company and that the Severance Benefit being provided to me is in consideration for my entering into this PECA and the Release of Claims attached to this PECA.
I acknowledge that the scope and duration of the restrictions in Section 1 are necessary to be effective and are fair and reasonable in light of the value of the payments being made to me. I further acknowledge and agree that as a result of the
high level executive and management positions I have held within the Company and the access to and extensive knowledge of the Company’s Confidential or Proprietary Information, employees, suppliers and customers, these restrictions are
reasonably required for the protection of the Company’s legitimate business interests. 
 3. Remedies For Breach of
Section 1; Additional Remedies of Clawback and Recoupment. 
 (a) I agree, upon demand by the Company, to repay the Severance Payment
to the Company in the event any of the following occur: 
  

	 	(i)	I breach any of the covenants in Section 1; 

  

	 	(ii)	The Company determines that either (a) my intentional misconduct or gross negligence, or (b) my failure to report another person’s intentional misconduct
or gross negligence of which I had knowledge during the period I was employed by the Company, contributed to the Company having to restate all or a portion of its financial statements filed for any period with the Securities and Exchange Commission;
or 

  

	 	(iii)	The Company determines that I engaged in fraud, bribery or any other illegal act or that my intentional misconduct or gross negligence (including the failure to report
the acts of another person of which I had knowledge during the period I was employed by the Company) contributed to another person’s fraud, bribery or other illegal act, which in any such case adversely affected the Company’s financial
position or reputation. 

 (b) The remedy provided in Section 3(a) shall not be the exclusive remedy
available to the Company for any of the conduct described in Section 3(a) and shall not limit the Company from seeking damages or injunctive relief. 
 4. Injunctive Relief. I acknowledge that the Company’s remedies at law may be inadequate to protect the Company against any actual or threatened breach of the provisions of Section 1 or
the conduct described in Section 3(a), and, therefore, without prejudice to any other rights and remedies otherwise available to 

  

					
	EXECUTION COPY	  	16	  	

 
the Company at law or in equity (including but not limited to, an action under Section 3(a), the Company shall be entitled to the granting of injunctive relief in its favor and to specific
performance without proof of actual damages and without the requirement of the posting of any bond or similar security. 
 5.
Invalidity; Unenforceability. It is the desire and intent of the parties that the provisions of this PECA shall be enforced to the fullest extent permissible. Accordingly, if any particular provision of this PECA is adjudicated to be invalid
or unenforceable, this PECA shall be deemed amended to delete the portion adjudicated to be invalid or unenforceable, such deletion to apply only with respect to the operation of this provision in the particular jurisdiction in which such
adjudication is made. 
 6. Definitions. Capitalized terms not defined in this PECA have the meaning given to them in the
Severance Plan, as applicable. For purposes of this PECA, the following terms have the meanings given below: 
 (a)
“Restricted Company” means The Boeing Company, General Dynamics Corporation, Northrop Grumman Corporation, the Raytheon Company, United Technologies Corporation, Honeywell International Inc., BAE Systems Inc., L-3 Communications
Corporation, the Harris Corporation, Thales, EADS North America and (i) any entity directly or indirectly controlling, controlled by, or under common control with any of the foregoing, and (ii) any successor to all or part of the business
of any of the foregoing as a result of a merger, reorganization, consolidation, spin-off, split-up, acquisition, divestiture, or similar transaction. 
 (b) “Competitive Products or Services” means products or services that compete with, or are an alternative or potential alternative to, products sold or services provided by a subsidiary,
business area, division or operating unit or business of the Company as of the Termination Date and at any time within the two-year period ending on the Termination Date; provided, that, (i) if I had direct responsibility for the business of,
or function with respect to, a subsidiary, or for a business area, division or operating unit or business of the Company at any time within the two-year period ending on the Termination Date, Competitive Products or Services includes the products so
sold or the services so provided during that two-year period by the subsidiary, business area, division or operating unit of the Company for which I had responsibility, and (ii) if I did not have direct responsibility for the business of, or
function with respect to, a subsidiary, or for a business area, division or operating unit or business of the Company at any time within the two-year period ending on the Termination Date, Competitive Products or Services includes the products so
sold or the services so provided by a subsidiary, business area, division or operating unit of the Company for which I had access (or was required or permitted such access in the performance of my duties or responsibilities with the Company) to
Confidential or Proprietary Information of the Company at any time during the two-year period ending on the Termination Date. 

  

					
	EXECUTION COPY	  	17	  	

 7. Miscellaneous 

(a) The Severance Plan, this PECA with the attached Release of Claims constitute the entire agreement governing the terms of the
Severance Payment and supersede all other prior agreements and understandings, both written and oral, between me and the Company or any employee, officer or director of the Company concerning payments on account of my termination of employment.

 (b) This PECA shall be governed by Maryland law, without regard to its provisions governing conflicts of law. 

(c) This PECA shall inure to the benefit of the Company’s successors and assigns and may be assigned by the Company without my
consent. 
  

					
		 	SIGNED this      day of             , 2    .
			
		 	  
	 	
		 	(Signature)	 	
			
		 	  
	 	
		 	(Printed Name)	 	
			
		 	  
	 	
		 	(Title)	 	
			
		 	 FOR LOCKHEED MARTIN CORPORATION:
	 	
			
		 	  
	 	
		 	(Signature)	 	
			
		 	  
	 	
		 	(Printed Name)	 	
			
		 	  
	 	
		 	(Title)	 	
			
		 	  
	 	
		 	(Date)	 	

  

					
	EXECUTION COPY	  	18	  	

 [Release – Will Vary By State and Current Legal Requirements at Time of Termination]

  

					
	EXECUTION COPY	  	19Purchase Agreement Number PA-03784

 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. 

EXHIBIT 10.1 
 PURCHASE AGREEMENT NUMBER PA-03784 
 between 

THE BOEING COMPANY 
 and 
 United Air Lines, Inc. 

Relating to Boeing Model 737-900ER Aircraft 

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784	  	Page 1

 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	 	
		
	 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	 	

  

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	 UAL-PA-03784
	  	Page 2

			
	 LETTER AGREEMENTS
	  	 TITLE

		
	 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-1207879
	  	Option Aircraft
		
	 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
	  	***

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784	  	Page 3

 Purchase Agreement No. PA-03784 

between 

The Boeing Company 
 and 
 United Air Lines, Inc. 

This Purchase Agreement No. PA-03784 between The Boeing Company, a Delaware corporation, (Boeing) and United Air Lines, Inc.,
a Delaware corporation, (Customer) relating to the purchase and sale of Model 737-900ER aircraft together with all tables, exhibits, supplemental exhibits, letter agreements and other attachments thereto, if any, (Purchase
Agreement) incorporates the terms and conditions (except as specifically set forth below) of the Aircraft General Terms Agreement dated as of February 19, 2010 between the parties, identified as AGTA-UAL, as amended (AGTA).

 1. Quantity, Model and Description. 
 The aircraft to be delivered to Customer will be designated as Model 737-900ER aircraft (Aircraft). Boeing will manufacture and sell to Customer Aircraft conforming to the configuration
described in Exhibit A in the quantities listed in Table 1 to the Purchase Agreement. 
 2. Delivery Schedule. 

The scheduled months of delivery of the Aircraft are listed in the attached Table 1. Exhibit B describes certain
responsibilities for both Customer and Boeing in order to accomplish the delivery of the Aircraft. 
 3. Price. 

3.1 Aircraft Basic Price. The Aircraft Basic Price is listed in Table 1 and is subject to escalation in accordance with the
terms of this Purchase Agreement. 
 3.2 Advance Payment Base Prices. The Advance Payment Base Prices listed in
Table 1 were calculated utilizing the *** on the date of this Purchase Agreement projected to the month of scheduled delivery. 
 4.
Payment. 
 4.1 Boeing acknowledges receipt of a deposit in the amount shown in Table 1 for each Aircraft
(Deposit). 
 4.2 The standard advance payment schedule for the Model 737-900ER aircraft requires Customer to make
certain advance payments, expressed in a percentage of the Advance Payment Base Price of each Aircraft beginning with a payment of *** percent (***%), less the Deposit, on the effective date of the Purchase Agreement for the Aircraft.
Additional advance payments for each Aircraft are due as specified in and on the first business day of the months listed in the attached Table 1. 

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784	  	Page 4

 4.3 For any Aircraft whose scheduled month of delivery is less than *** months from the date
of this Purchase Agreement, the total amount of advance payments due for payment upon signing of this Purchase Agreement will include all advance payments which are past due in accordance with the standard advance payment schedule set forth in
paragraph 4.2 above. 
 4.4 Customer will pay the balance of the Aircraft Price of each Aircraft at delivery. 

5. Additional Terms. 

5.1 Aircraft Information Table. Table 1 consolidates information contained in Articles 1, 2, 3 and 4
with respect to (i) quantity of Aircraft, (ii) applicable Detail Specification, (iii) month and year of scheduled deliveries, (iv) Aircraft Basic Price, (v) applicable escalation factors and (vi) Advance Payment Base
Prices and advance payments and their schedules. 
 5.2 Escalation Adjustment/Airframe and Optional Features.
Supplemental Exhibit AE1 contains the applicable airframe and optional features escalation formula. 
 5.3 Buyer
Furnished Equipment Variables. Supplemental Exhibit BFE1 contains supplier selection dates, on dock dates and other variables applicable to the Aircraft. 
 5.4 Customer Support Variables. Information, training, services and other things furnished by Boeing in support of introduction of the Aircraft into Customer’s fleet are described in
Supplemental Exhibit CS1. 
 5.5 Engine Escalation Variables. Supplemental Exhibit EE1 contains the applicable
engine escalation formula, the engine warranty *** for the Aircraft, describes the applicable engine escalation formula and contains the engine warranty *** for the Aircraft. 
 5.6 Service Life Policy Component Variables. Supplemental Exhibit SLP1 lists the SLP Components covered by the Service Life Policy for the Aircraft. 

5.7 Public Announcement. Boeing and Customer reserve the right to make a public announcement regarding Customer’s purchase of
the Aircraft upon approval of their respective press release by the other party’s public relations department or other authorized representative. 
 5.8 Negotiated Agreement; Entire Agreement. This Purchase Agreement, including the provisions of Article 8.2 of the AGTA relating to insurance, and Article 11 of Part 2 of
Exhibit C of the AGTA relating to DISCLAIMER AND RELEASE and EXCLUSION OF CONSEQUENTIAL AND OTHER DAMAGES, has been the subject of discussion and negotiation and is understood by the parties; the Aircraft Price and other
agreements of the parties stated in this Purchase Agreement were arrived at in consideration of such provisions. This Purchase Agreement, including the AGTA, contains the entire agreement between the parties and supersedes all previous proposals,
understandings, commitments or representations whatsoever, oral or written, and may be changed only in writing signed by authorized representatives of the parties. 

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784	  	Page 5

					
	 AGREED AND ACCEPTED this

 
 July 12, 2012
	 	 	 	 
	Date	 		 	
			
	 THE BOEING COMPANY

 
 /s/ ***
	 		 	 UNITED AIR LINES, INC.

 
 /s/ Gerald Laderman

	Signature	 		 	Signature
			
	 ***
	 		 	Gerald Laderman
	Printed name	 		 	Printed name
			
	Attorney-in-Fact	 		 	Senior Vice President – Finance and Treasurer
	Title	 		 	Title

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784	  	Page 6

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

																															
	Airframe Model/MTOW:	  	737-900ER	  	***	  	Detail Specification: ***	 
						
	Engine Model/Thrust: ***	  		  	***	  	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 Estimate
 Adv Payment Base
	  	Advance Payment Per Aircraft (Amts. Due/Mos. Prior 
to
Delivery):
	 Date
	  	 Aircraft
	  	(Airframe)	  	Number	  	Price Per A/P	  	***	  	***	  	***	  	***
									
	 ***
	  	***	  	***	  	***	  	$***	  	$***	  	$***	  	$***	  	$***
									
	 ***
	  	***	  	***	  	***	  	$***	  	$***	  	$***	  	$***	  	$***
									
	 ***
	  	***	  	***	  	***	  	$***	  	$***	  	$***	  	$***	  	$***
									
	 ***
	  	***	  	***	  	***	  	$***	  	$***	  	$***	  	$***	  	$***
									
	 ***
	  	***	  	***	  	***	  	$***	  	$***	  	$***	  	$***	  	$***
									
	 ***
	  	***	  	***	  	***	  	$***	  	$***	  	$***	  	$***	  	$***
									
	 ***
	  	***	  	***	  	***	  	$***	  	$***	  	$***	  	$***	  	$***
									
	 ***
	  	***	  	***	  	***	  	$***	  	$***	  	$***	  	$***	  	$***
									
	 ***
	  	***	  	***	  	***	  	$***	  	$***	  	$***	  	$***	  	$***
									
	 ***
	  	***	  	***	  	***	  	$***	  	$***	  	$***	  	$***	  	$***

  
 Boeing
/ United Air Lines, Inc. Proprietary 

  

			
	UAL-PA-03784 60963-1F.TXT	  	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 Estimate
 Adv Payment Base
	  	Advance Payment Per Aircraft (Amts. Due/Mos. Prior 
to
Delivery):
	 Date
	  	 Aircraft
	  	(Airframe)	  	Number	  	Price Per A/P	  	***	  	***	  	***	  	***
	 ***
	  	***	  	***	  	***	  	$***	  	$***	  	$***	  	$***	  	$***
	 ***
	  	***	  	***	  	***	  	$***	  	$***	  	$***	  	$***	  	$***
	 ***
	  	***	  	***	  	***	  	$***	  	$***	  	$***	  	$***	  	$***
	 ***
	  	***	  	***	  	***	  	$***	  	$***	  	$***	  	$***	  	$***
	 ***
	  	***	  	***	  	***	  	$***	  	$***	  	$***	  	$***	  	$***
	 ***
	  	***	  	***	  	***	  	$***	  	$***	  	$***	  	$***	  	$***
	 ***
	  	***	  	***	  	***	  	$***	  	$***	  	$***	  	$***	  	$***
	 ***
	  	***	  	***	  	***	  	$***	  	$***	  	$***	  	$***	  	$***
	 ***
	  	***	  	***	  	***	  	$***	  	$***	  	$***	  	$***	  	$***
	 ***
	  	***	  	***	  	***	  	$***	  	$***	  	$***	  	$***	  	$***
	 ***
	  	***	  	***	  	***	  	$***	  	$***	  	$***	  	$***	  	$***
	 ***
	  	***	  	***	  	***	  	$***	  	$***	  	$***	  	$***	  	$***
	 ***
	  	***	  	***	  	***	  	$***	  	$***	  	$***	  	$***	  	$***
	 ***
	  	***	  	***	  	***	  	$***	  	$***	  	$***	  	$***	  	$***
	 ***
	  	***	  	***	  	***	  	$***	  	$***	  	$***	  	$***	  	$***
	 ***
	  	***	  	***	  	***	  	$***	  	$***	  	$***	  	$***	  	$***
	 ***
	  	***	  	***	  	***	  	$***	  	$***	  	$***	  	$***	  	$***
	 ***
	  	***	  	***	  	***	  	$***	  	$***	  	$***	  	$***	  	$***
	 ***
	  	***	  	***	  	***	  	$***	  	$***	  	$***	  	$***	  	$***
	 ***
	  	***	  	***	  	***	  	$***	  	$***	  	$***	  	$***	  	$***
	 ***
	  	***	  	***	  	***	  	$***	  	$***	  	$***	  	$***	  	$***
	 ***
	  	***	  	***	  	***	  	$***	  	$***	  	$***	  	$***	  	$***
	 ***
	  	***	  	***	  	***	  	$***	  	$***	  	$***	  	$***	  	$***
	 ***
	  	***	  	***	  	***	  	$***	  	$***	  	$***	  	$***	  	$***
	 ***
	  	***	  	***	  	***	  	$***	  	$***	  	$***	  	$***	  	$***
	 ***
	  	***	  	***	  	***	  	$***	  	$***	  	$***	  	$***	  	$***
	 ***
	  	***	  	***	  	***	  	$***	  	$***	  	$***	  	$***	  	$***
	 ***
	  	***	  	***	  	***	  	$***	  	$***	  	$***	  	$***	  	$***
	 ***
	  	***	  	***	  	***	  	$***	  	$***	  	$***	  	$***	  	$***

  
 Boeing
/ United Air Lines, Inc. Proprietary 

  

			
	UAL-PA-03784 60963-1F.TXT	  	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 Estimate
 Adv Payment Base
	  	Advance Payment Per Aircraft (Amts. Due/Mos. Prior 
to
Delivery):
	 Date
	  	 Aircraft
	  	(Airframe)	  	Number	  	Price Per A/P	  	***	  	***	  	***	  	***
	 ***
	  	***	  	***	  	***	  	$***	  	$***	  	$***	  	$***	  	$***
	 ***
	  	***	  	***	  	***	  	$***	  	$***	  	$***	  	$***	  	$***
	 ***
	  	***	  	***	  	***	  	$***	  	$***	  	$***	  	$***	  	$***
	 ***
	  	***	  	***	  	***	  	$***	  	$***	  	$***	  	$***	  	$***
	 ***
	  	***	  	***	  	***	  	$***	  	$***	  	$***	  	$***	  	$***
	 ***
	  	***	  	***	  	***	  	$***	  	$***	  	$***	  	$***	  	$***
	 ***
	  	***	  	***	  	***	  	$***	  	$***	  	$***	  	$***	  	$***
	 ***
	  	***	  	***	  	***	  	$***	  	$***	  	$***	  	$***	  	$***
	 ***
	  	***	  	***	  	***	  	$***	  	$***	  	$***	  	$***	  	$***
	 ***
	  	***	  	***	  	***	  	$***	  	$***	  	$***	  	$***	  	$***
	 ***
	  	***	  	***	  	***	  	$***	  	$***	  	$***	  	$***	  	$***
	 Total: 50
	  		  		  		  		  		  		  		  	

  
 Boeing
/ United Air Lines, Inc. Proprietary 

  

			
	UAL-PA-03784 60963-1F.TXT	  	Page 3

 AIRCRAFT CONFIGURATION 

between 

THE BOEING COMPANY 
 and 
 United Air Lines, Inc. 

Exhibit A to Purchase Agreement Number PA-03784 

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-EXA	  	Page 1

 Exhibit A 

AIRCRAFT CONFIGURATION 
 Dated                          

relating to 
 BOEING MODEL 737-900ER AIRCRAFT 
 The Detail Specification is Boeing
document number *** dated as of ***. The Detail Specification provides further description of Customer’s configuration set forth in this Exhibit A. Such Detail Specification will be comprised of *** dated *** as amended to incorporate the
optional features (Options) listed below, including the effects on Manufacturer’s Empty Weight (MEW) and Operating Empty Weight (OEW). As soon as practicable, Boeing will furnish to Customer copies of the Detail
Specification, which copies will reflect such Options. The Aircraft Basic Price reflects and includes all effects of such Options, except such Aircraft Basic Price does not include the price effects of any Buyer Furnished Equipment or Seller
Purchased Equipment. 

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-EXA	  	Page 2

					
	 CR
	  	Title	    	2005$
Follow On Price
Per A/C
			
	 ***
	  	***	    	$***

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-EXA	  	Page 3

									
			
	 ***
	  	 	TOTALS:	  	    	$	*	** 

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-EXA	  	Page 10

 AIRCRAFT DELIVERY REQUIREMENTS AND 

RESPONSIBILITIES 
 between 
 THE BOEING COMPANY 

and 

United Air Lines, Inc. 
 Exhibit B to Purchase Agreement Number PA-03784 

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-EXB	  	Page 1

 Exhibit B 

AIRCRAFT DELIVERY REQUIREMENTS AND RESPONSIBILITIES 
 relating to 
 BOEING MODEL 737-900ER AIRCRAFT 

Both Boeing and Customer have certain documentation and approval responsibilities at various times during the construction cycle of
Customer’s Aircraft that are critical to making the delivery of each Aircraft a positive experience for both parties. This Exhibit B documents those responsibilities and indicates recommended completion deadlines for the actions to be
accomplished. 
 1. GOVERNMENT DOCUMENTATION REQUIREMENTS. 
 Certain actions are required to be taken by Customer in advance of the scheduled delivery month of each Aircraft with respect to obtaining certain government issued documentation. 

1.1 Airworthiness and Registration Documents. Not later than *** prior to delivery of each Aircraft, Customer will notify Boeing
of the registration number to be painted on the side of the Aircraft. In addition, and not later than *** prior to delivery of each Aircraft, Customer will, by letter to the regulatory authority having jurisdiction, authorize the temporary
use of such registration numbers by Boeing during the pre-delivery testing of the Aircraft. 
 Customer is responsible for
furnishing any Temporary or Permanent Registration Certificates required by any governmental authority having jurisdiction to be displayed aboard the Aircraft after delivery. 
 1.2 Certificate of Sanitary Construction. 
 1.2.1 U.S. Registered Aircraft.
Boeing will obtain from the United States Public Health Service, a United States Certificate of Sanitary Construction to be displayed aboard each Aircraft after delivery to Customer. The above Boeing obligation only applies to commercial
passenger-configured aircraft. 
 1.2.2 Non-U.S. Registered Aircraft. If Customer requires a United States Certificate of
Sanitary Construction at the time of delivery of the Aircraft, Customer will give written notice thereof to Boeing at least *** prior to delivery. Boeing will then use commercially reasonable efforts to obtain the Certificate from the United
States Public Health Service and present it to Customer at the time of Aircraft delivery. The above Boeing obligation only applies to commercial passenger-configured aircraft. 

 

	1.3	Customs Documentation. 

1.3.1 Import Documentation. If the Aircraft is intended to be exported from the United States, Customer must notify Boeing not
later than *** prior to delivery of each Aircraft of any documentation required by the customs authorities or by any other agency of the country of import. 
 1.3.2 General Declaration - U.S. If the Aircraft is intended to be exported from the United States, Boeing will prepare Customs Form 7507, General Declaration,

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-EXB	  	Page 2

 
for execution by U.S. Customs immediately prior to the ferry flight of the Aircraft. For this purpose, Customer will furnish to Boeing not later than *** prior to delivery all information
required by U.S. Customs and Border Protection, including without limitation (i) a complete crew and passenger list identifying the names, birth dates, passport numbers and passport expiration dates of all crew and passengers and (ii) a
complete ferry flight itinerary, including point of exit from the United States for the Aircraft. 
 If Customer intends, during
the ferry flight of an Aircraft, to land at a U.S. airport after clearing Customs at delivery, Customer must notify Boeing not later than *** prior to delivery of such intention. If Boeing receives such notification, Boeing will provide to
Customer the documents constituting a Customs permit to proceed, allowing such Aircraft to depart after any such landing. Sufficient copies of completed Form 7507, along with passenger manifest, will be furnished to Customer to cover U.S. stops
scheduled for the ferry flight. 
 1.3.3 Export Declaration - U.S. If the Aircraft is intended to be exported from the
United States following delivery, and (i) Customer is a non-U.S. customer, Boeing will file an export declaration electronically with U.S. Customs and Border Protection (CBP), or (ii) Customer is a U.S. customer, it is the
responsibility of the U.S. customer, as the exporter of record, to file the export declaration with CBP. 
  

	2.	Insurance Certificates. 

Unless provided earlier, Customer will provide to Boeing not later than *** prior to delivery of the first Aircraft, a copy of the
requisite annual insurance certificate in accordance with the requirements of Article 8 of the AGTA. 
  

	3.	NOTICE OF FLYAWAY CONFIGURATION. 

 Not later than *** prior to delivery of the Aircraft, Customer will provide to Boeing a configuration letter stating the requested “flyaway configuration” of the Aircraft for its ferry
flight. This configuration letter should include: 
  

	 	(i)	the name of the company which is to furnish fuel for the ferry flight and any scheduled post-delivery flight training, the method of payment for such fuel, and fuel
load for the ferry flight; 

  

	 	(ii)	the cargo to be loaded and where it is to be stowed on board the Aircraft, the address where cargo is to be shipped after flyaway and notification of any hazardous
materials requiring special handling; 

  

	 	(iii)	any BFE equipment to be removed prior to flyaway and returned to Boeing BFE stores for installation on Customer’s subsequent Aircraft; 

 

	 	(iv)	a complete list of names and citizenship of each crew member and non-revenue passenger who will be aboard the ferry flight; and 

 

	 	(v)	a complete ferry flight itinerary. 

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-EXB	  	Page 3

	4.	DELIVERY ACTIONS BY BOEING. 

 4.1 Schedule of Inspections. All FAA, Boeing, Customer and, if required, U.S. Customs Bureau inspections will be scheduled by Boeing for completion prior to delivery or departure of the Aircraft.
Customer will be informed of such schedules. 
 4.2 Schedule of Demonstration Flights. All FAA and Customer demonstration
flights will be scheduled by Boeing for completion prior to delivery of the Aircraft. 
 4.3 Schedule for Customer’s
Flight Crew. Boeing will inform Customer of the date that a flight crew is required for acceptance routines associated with delivery of the Aircraft. 
 4.4 Fuel Provided by Boeing. Boeing will provide to Customer, without charge, the amount of fuel shown in U.S. gallons in the table below for the model of Aircraft being delivered and full capacity
of engine oil at the time of delivery or prior to the ferry flight of the Aircraft. 
  

			
	 Aircraft Model
	  	 Fuel Provided

	737	  	***

 4.5 Flight Crew and Passenger Consumables. Boeing will provide reasonable quantities of food, coat
hangers, towels, toilet tissue, drinking cups and soap for the first segment of the ferry flight for the Aircraft. 
 4.6
Delivery Papers, Documents and Data. Boeing will have available at the time of delivery of the Aircraft certain delivery papers, documents and data for execution and delivery. If title for the Aircraft will be transferred to Customer through
a Boeing subsidiary and if the Aircraft will be registered with the FAA, Boeing will pre-position in Oklahoma City, Oklahoma, for filing with the FAA at the time of delivery of the Aircraft an executed original Form 8050-2, Aircraft Bill of
Sale, indicating transfer of title to the Aircraft from Boeing’s subsidiary to Customer. 
 4.7 Delegation of
Authority. If specifically requested in advance by Customer, Boeing will present a certified copy of a Resolution of Boeing’s Board of Directors, designating and authorizing certain persons to act on its behalf in connection with delivery
of the Aircraft. 
  

	5.	DELIVERY ACTIONS BY CUSTOMER. 

 5.1 Aircraft Radio Station License. At delivery Customer will provide its Aircraft Radio Station License to be placed on board the Aircraft following delivery. 

5.2 Aircraft Flight Log. At delivery Customer will provide the Aircraft Flight Log for the Aircraft. 

5.3 Delegation of Authority. Customer will present to Boeing at delivery of the Aircraft an original or certified copy of
Customer’s Delegation of Authority designating and authorizing certain persons to act on its behalf in connection with delivery of the specified Aircraft. 
 5.4 TSA Waiver Approval. Customer may be required to have an approved Transportation Security Administration (TSA) waiver for the ferry flight depending upon the Customer’s en-route
stop(s) and destination unless the Customer already has a TSA approved security program in place. Customer is responsible for application for the TSA waiver and obtaining TSA approval. Customer will provide a copy of the approved TSA waiver to
Boeing upon arrival at the Boeing delivery center. 

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-EXB	  	Page 4

 5.5 Electronic Advance Passenger Information System. Should the ferry flight of an
Aircraft leave the United States, the Department of Homeland Security office requires Customer to comply with the Electronic Advance Passenger Information System (eAPIS). Customer needs to establish their own account with US Customs and
Border Protection in order to file for departure. A copy of the eAPIS forms is to be provided by Customer to Boeing upon arrival of Customer’s acceptance team at the Boeing delivery center. 

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-EXB	  	Page 5

 ESCALATION ADJUSTMENT 

AIRFRAME AND OPTIONAL FEATURES 
 between 
 THE BOEING COMPANY 

and 

United Air Lines, Inc. 
 Supplemental Exhibit AE1 
 to Purchase Agreement Number PA-03784

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-AE1	  	AE1 Page 1

 ESCALATION ADJUSTMENT 

AIRFRAME AND OPTIONAL FEATURES 
 relating to 
 BOEING MODEL 737-900ER AIRCRAFT 

1. Formula. 
 Airframe and Optional
Features price adjustments (Airframe Price Adjustment) are used to *** to be *** in *** at the signing of this Purchase Agreement and to *** to be *** at *** for the *** of ***. The Airframe Price Adjustment will be *** at the *** of *** in
accordance with the following formula: 
 *** 
 Where: 
 *** (For Models 737-600, 737-700, 737-800, 737-900, 737-900ER, 737-7, 737-8, 737-9,
747-8, 777-200LR, 777-F, and 777-300ER the *** includes the *** at its basic thrust level.) 
 ***plus the *** (as set forth in Table ***
of this Purchase Agreement). 
 *** 
 Where: 
 *** is the *** (as set forth in Table *** of this Purchase Agreement); 

*** is a *** determined using the ***), calculated by establishing a *** arithmetic average value (expressed as a decimal and rounded to the nearest
tenth) using the values for the *** the month of scheduled delivery of the applicable Aircraft. As the *** values are only released on a *** basis, the value released for the *** will be used for the ***; the value released for the *** will be used
for the ***; the value released for the *** will be used for the ***; the value released for the *** will be used for *** 
 ***

 Where: 
 *** is the *** (as set
forth in Table *** of this Purchase Agreement); and 
 *** is a *** determined using the ***), calculated as a *** arithmetic average of
the released monthly values (expressed as a decimal and rounded to the nearest tenth) using the values for the *** prior to the month of scheduled delivery of the applicable Aircraft. 

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-AE1	  	AE1 Page 2

 As an example, for an Aircraft scheduled to be delivered in the month of ***, the months of *** of the ***
will be utilized in determining the value of ECI and CPI. 
 Note: 

 

	 	(i)	In determining the values of *** and ***, all calculations and resulting values will be expressed as a decimal rounded to the nearest ten-thousandth.

  

	 	(ii)	*** is the numeric ratio attributed to *** in the Airframe Price Adjustment formula. 

 

	 	(iii)	*** is the numeric ratio attributed to *** in the Airframe Price Adjustment formula. 

 

	 	(iv)	The *** are the actual average values reported by *** The actual average values are calculated as a *** arithmetic average of the released monthly values (expressed as
a decimal and rounded to the nearest tenth) using the values for the *** the airframe base year. The applicable base year and corresponding denominator is provided by Boeing in Table *** of this Purchase Agreement. 

 

	 	(v)	The final value of *** will be rounded to the nearest dollar. 

  

	 	(vi)	The *** if it will *** in the *** 

 2. Values
to be Utilized in the Event of Unavailability. 
 2.1 If the *** substantially revises the methodology used for the
determination of the values to be used to determine the *** and *** values (in contrast to benchmark adjustments or other corrections of previously released values), or for any reason has not released values needed to determine the applicable
Airframe Price Adjustment, the parties will, prior to the delivery of any such Aircraft, select a substitute from other *** or *** Such substitute will result in the same adjustment, insofar as possible, as would have been calculated utilizing the
original values adjusted for fluctuation during the applicable time period. However, if within *** months after delivery of the Aircraft, the *** should resume releasing values for the months needed to determine the Airframe Price Adjustment, ***
will be used *** or *** in the *** for the *** from that *** at the *** of *** of *** 
 2.2 Notwithstanding Article 2.1
above, if prior to the scheduled delivery month of an Aircraft the *** changes the *** for determination of the *** and *** values as defined above, such *** will be *** in the *** 

2.3 In the event escalation provisions are made non-enforceable or otherwise rendered void by any agency of the United States Government,
the parties agree, to the extent they may lawfully do so, to *** the *** of any *** to *** an *** for *** or *** with the *** of *** of this *** in *** and *** since *** of the *** to the *** in *** 

2.4 If within *** of Aircraft delivery, the published index values are revised due to an acknowledged error by the Bureau of Labor
Statistics, the Airframe Price Adjustment will be *** (this does not include those values noted as preliminary by the ***). A *** or *** will be issued *** for the period of original invoice to issuance *** or *** 

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-AE1	  	AE1 Page 3

 Note: 
  

	 	(i)	The values released by the *** and available to Boeing *** prior to the first day of the scheduled delivery month of an Aircraft will be used to determine the *** and
*** values for the applicable months (including those noted as preliminary by the ***) to calculate the Airframe Price Adjustment for the Aircraft invoice at the time of delivery. The values will be considered final and *** will be *** for any ***
in ***, subject always to *** 

  

	 	(ii)	The maximum number of digits to the right of the decimal after rounding utilized in any part of the Airframe Price Adjustment equation will be four (4), where
rounding of the fourth digit will be increased to the next highest digit when the 5th digit is equal to five (5) or greater. 

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-AE1	  	AE1 Page 4

 BUYER FURNISHED EQUIPMENT VARIABLES 

between 

THE BOEING COMPANY 
 and 
 United Air Lines, Inc. 

Supplemental Exhibit BFE1 
 to Purchase Agreement Number PA-03784 

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-BFE1	  	Page 1

 BUYER FURNISHED EQUIPMENT VARIABLES 

relating to 
 BOEING MODEL 737-900ER 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 by the following dates: 
  

			
	 Galley System
	  	***
		
	 Galley Inserts
	  	***
		
	 Seats (passenger)
	  	***
		
	 Overhead & Audio System
	  	***
		
	 In-Seat Video System
	  	***
		
	 Miscellaneous Emergency Equipment
	  	***
		
	 Cargo Handling Systems*

(Single Aisle Programs only)
	  	***

  

	*	For a new certification, supplier requires notification *** prior to Cargo Handling System on-dock date. 

Customer will enter into initial agreements with the selected Galley System, Galley Inserts, Seats, and In-Seat Video System suppliers on
or before *** after the above supplier selection dates to actively participate with Customer and Boeing in coordination actions including the Initial Technical Coordination Meeting (ITCM). 

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-BFE1	  	Page 2

 2. On-dock Dates and Other Information. 

On or before *** Boeing will provide to Customer the BFE Requirements electronically through My Boeing Fleet (MBF in My
Boeing Configuration (MBC). These requirements may be periodically revised, setting forth the items, quantities, on-dock dates and shipping instructions and other requirements relating to the in-sequence installation of BFE. For planning
purposes, preliminary BFE on-dock dates are set forth below: 
 For planning purposes, preliminary BFE on-dock dates: 

 

																							
	 Date
	  	 Air-

craft
	  	 ***
	  	 ***
	  	 ***
	  	 ***
	  	 ***
	  	 ***
	  	 ***
	  	 ***
	  	 ***
	  	 ***

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

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-BFE1	  	Page 3

 For planning purposes, preliminary BFE on-dock dates: 

 

																							
	 Date
	  	 Air-

craft
	  	 ***
	  	 ***
	  	 ***
	  	 ***
	  	 ***
	  	 ***
	  	 ***
	  	 ***
	  	 ***
	  	 ***

	 ***
	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***
	 ***
	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***
	 ***
	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***
	 ***
	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***
	 ***
	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***
	 ***
	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***
	 ***
	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***
	 ***
	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***
	 ***
	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***
	 ***
	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***
	 ***
	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***
	 ***
	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***
	 ***
	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***
	 ***
	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***
	 ***
	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***
	 ***
	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***
	 ***
	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***
	 ***
	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***
	 ***
	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***
	 ***
	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***
	 Total
	  	50	  		  		  		  		  		  		  		  		  		  	

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-BFE1	  	Page 4

 3. Additional Delivery Requirements—Import. 

Customer will be the “importer of record” (as defined by the 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. In the event Customer requests Boeing, in writing, to act as importer of record for
Customer’s BFE, and Boeing agrees to such request, Customer is responsible for ensuring Boeing can comply with all U.S. Customs Import Regulations by making certain that, at the time of shipment, all BFE shipments comply with the requirements
in the “International Shipment Routing Instructions”, including the Customs Trade Partnership Against Terrorism (C-TPAT), as set out on the Boeing website referenced below. Customer agrees to include the International Shipment
Routing Instructions, including C-TPAT requirements, in each contract between Customer and BFE supplier. 

http://www.boeing.com/companyoffices/doingbiz/supplier_portal/index_general.html 

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-BFE1	  	Page 5

 CUSTOMER SUPPORT VARIABLES 

between 

THE BOEING COMPANY 
 and 
 UNITED AIR LINES, INC. 

Supplemental Exhibit CS1 
 to Purchase Agreement Number PA-03784 

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-CS1	  	Page 1

 CUSTOMER SUPPORT VARIABLES 

relating to 
 BOEING MODEL 737-900ER AIRCRAFT 
 Customer currently operates an
aircraft of the same model as the Aircraft. Upon Customer’s request, Boeing will develop and schedule a customized Customer Support Program to be furnished in support of the Aircraft. The customized program will be based upon and equivalent to
the entitlements summarized below. 
 1. Maintenance Training. 
 1.1 Maintenance Training Minor Model Differences Course, if required, covering operational, structural or systems differences between Customer’s newly-purchased Aircraft and an aircraft of the same
model currently operated by Customer; *** 
 1.2 Training materials, if applicable, will be provided to each student. In
addition, one set of training materials as used in Boeing’s training program, including visual aids, text and graphics will be provided for use in Customer’s own training program. 
 2. Flight Training. 
 Boeing will provide, if required, *** to acquaint up
to *** between Customer’s newly-purchased Aircraft and an aircraft of the same model currently operated by Customer. 
 Any
training materials used in Flight Training, if required, will be provided for use in Customer’s own training program. 
 3. Planning
Assistance. 
 3.1 Maintenance Engineering. Notwithstanding anything in Exhibit B to the AGTA seemingly to the
contrary, Boeing will provide the following Maintenance Engineering support: 
 3.1.1 Maintenance Planning Assistance.
Upon request, Boeing will provide assistance in identifying the impact to Customers maintenance program resulting from minor model differences between the Aircraft and an aircraft of the same model currently operated by the Customer. 

3.1.2 ETOPS Maintenance Planning Assistance. Upon request, Boeing will provide assistance in identifying the impact to
Customer’s ETOPS maintenance program resulting from minor model differences between the Aircraft and an aircraft of the same model currently operated by the Customer. 
 3.1.3 GSE/Shops/Tooling Consulting. Upon request, Boeing will provide assistance to Customer in identifying the impact to Customer’s maintenance tools and ground support equipment resulting
from the minor model differences between the Aircraft and an aircraft of the same model currently operated by Customer. 

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-CS1	  	Page 2

 3.2 Spares. Boeing will revise, as applicable, the customized Recommended Spares
Parts List (RSPL) and Illustrated Parts Catalog (IPC). 
 4. Technical Data and Documents. 

Boeing will revise, as applicable, technical data and documents provided with previously delivered aircraft. 

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-CS1	  	Page 3

 ENGINE ESCALATION, 

ENGINE WARRANTY*** 
 between 
 THE BOEING COMPANY 

and 

UNITED AIR LINES, INC. 
 Supplemental Exhibit EE1 
 to Purchase Agreement Number PA-03784

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-EE1	  	Page 1

 ENGINE ESCALATION 

ENGINE WARRANTY *** 
 relating to 
 BOEING MODEL 737-900ER AIRCRAFT 

1. ENGINE ESCALATION. 
 *** is defined for the 737-600, -700, -800, -900 or -900ER Aircraft. Pursuant to the AGTA, the *** for these *** are *** and *** in the same manner as the ***. 

2. ENGINE WARRANTY AND *** 
 Boeing has obtained from CFM International, Inc. (or CFM International, S.A., as the case may be) (CFM) the right to extend to *** the *** of CFM’s warranty as set forth below (***); subject,
however, to *** acceptance of the conditions set forth herein. Accordingly, *** to *** and *** the *** as hereinafter set forth, and such *** all CFM56-7 type Engines (including all Modules and Parts thereof) installed in the Aircraft at the time of
delivery or purchased from Boeing by Customer for support of the Aircraft except that, if Customer and CFM have executed, or hereafter execute, a General Terms Agreement, then the terms of that Agreement shall be substituted for and supersede the
provisions of paragraphs 2.1 through 2.10 below and paragraphs 2.1 through 2.10 below shall be of no force or effect and neither Boeing nor CFM shall have any obligation arising therefrom. In consideration for *** of the *** to *** hereby
*** and *** and *** the *** or *** such CFM56-7 type Engines and *** and *** In addition, *** hereby *** and *** and *** of the *** such CFM56-7 type Engines *** or *** between *** and *** and *** hereby *** 

2.1 Title. CFM warrants that at the date of delivery, CFM has legal title to and good and lawful right to sell its CFM56-7 type
Engine and Products and furthermore warrants that such title is free and clear of all claims, liens and encumbrances of any nature whatsoever. 
 2.2 Patents. 
 2.2.1 *** shall *** and *** or *** as *** on *** or *** an
*** of *** and shall *** and *** therein ***. This paragraph shall *** to *** or to the aircraft manufacturer’s design. As to such *** or *** for *** 
 2.2.2 *** hereunder is conditioned upon Customer promptly notifying *** and giving *** and *** for the *** In case *** to constitute and the use of *** at its *** and at its *** either (i) *** for *** the
*** to *** or *** (ii) *** and *** or *** or (iii) *** the *** so it *** and ***. The foregoing shall constitute *** and the *** 
 2.2.3 The above provisions also apply to products which are the same as those covered by this Agreement and are delivered to Customer as part of the installed equipment on CFM56-7 powered Aircraft.

 2.3 Initial Warranty. CFM warrants that CFM56-7 Engine products will conform to CFM’s applicable specifications
and *** prior to Customer’s initial use of such products. 
 2.4 *** 

2.4.1 *** by *** and agreed *** CFM *** CFM will *** by *** to *** or to other ***support will be *** to the *** and will *** to *** to be
*** and *** with all the *** and *** including the *** applicable to *** 

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-EE1	  	Page 2

 2.4.2 Any warranties set forth herein shall not be transferable to a third party, merging
company or an acquiring entity of Customer. 
 2.4.3 In the event Customer is merged with, or acquired by, another aircraft
operator which has a general terms agreement with CFM, *** as set forth herein shall apply to *** 
 2.5 New Engine
Warranty. 
 2.5.1 CFM warrants each new Engine and Module against *** for the initial *** Flight Hours as follows:

  

	 	(i)	Parts *** for any ***. 

  

	 	(ii)	*** for *** and *** of any new Engine Part will be ***. 

  

	 	(iii)	Such *** will be*** percent (***%) from new to *** (***) Flight Hours and decreasing pro rata from *** percent ***%) at *** Flight Hours to ***
percent (***%) at *** Flight Hours. 

 2.5.2 As an alternative to the above allowances, CFM shall, upon
request of Customer: 
  

	 	(i)	Arrange to have the failed Engines and Modules repaired, as appropriate, at a facility designated by CFM *** for the *** Flight Hours and *** Flight Hours to
***percent ***%)***) Flight Hours. 

  

	 	(ii)	Transportation to and from the designated facility shall be at *** expense. 

 2.6 New Parts Warranty. In addition to the warranty granted for new Engines and new Modules, CFM warrants Engine and Module Parts as follows: 

2.6.1 During the first *** Flight Hours for such Parts and Expendable Parts, *** will grant *** percent (***%) *** or *** for repair
labor for failed Parts. 
 2.6.2 *** will grant a pro rata Parts Credit Allowance for Scrapped Parts decreasing from ***
percent (***%) at *** Flight Hours Part Time to *** percent (***%) at the applicable hours designated in Table 1. 
 2.7 Ultimate Life Warranty. 
 2.7.1 CFM warrants Ultimate Life limits on the
following Parts: *** 
 2.7.2 *** will grant a pro rata *** decreasing from *** percent (***%) when new to *** percent at
*** Flight Hours or *** Flight Cycles, whichever comes earlier. *** will be granted only when *** by a CFM or a U.S. and/or French Government imposed Ultimate Life limitation of less than *** Flight Hours or *** Flight Cycles. 

2.8 ***. 
 2.8.1
A *** will be declared by CFM when a *** introduction, ***, or *** replacement of an Engine or Module is *** CFM Service Bulletin or FAA Airworthiness Directive. *** may also be declared for CFM Service Bulletins requesting *** no later than the
next Engine or Module shop visit. *** will *** following Parts ***: 
 Engines and Modules 

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-EE1	  	Page 3

	 	(i)	*** percent (***%) for Parts in inventory or removed from service when new or with *** Flight Hours or less total Part Time. 

 

	 	(ii)	*** percent (***%) for Parts in inventory or removed from service with over *** Flight Hours since new, regardless of warranty status. 

2.8.2 ***—*** will grant *** percent (***%) *** for *** of CFM supplied Engines, Modules, or Parts therefore when such action is
required to comply with a *** CFM Service Bulletin or FAA Airworthiness Directive. A *** will be granted by *** for other CFM issued Service Bulletins if so specified in such Service Bulletins. 

2.8.3 Life Controlled Rotating Parts retired by Ultimate Life limits including FAA and/or EASA Airworthiness Directive, are excluded from
Campaign Change Warranty. 
 2.9 Limitations. THE PROVISIONS SET FORTH HEREIN ARE EXCLUSIVE AND ARE IN LIEU OF ALL OTHER
WARRANTIES WHETHER WRITTEN, ORAL OR IMPLIED. THERE ARE NO IMPLIED WARRANTIES OF FITNESS OR MERCHANTABILITY. SAID PROVISIONS SET FORTH THE MAXIMUM LIABILITY OF CFM WITH RESPECT TO CLAIMS OF ANY KIND, INCLUDING NEGLIGENCE, ARISING OUT OF MANUFACTURE,
SALE, POSSESSION, USE OR HANDLING OF THE PRODUCTS OR PARTS THEREOF OR THEREFORE, AND IN NO EVENT SHALL CFM’S LIABILITY TO CUSTOMER EXCEED THE PURCHASE PRICE OF THE PRODUCT GIVING RISE TO CUSTOMER’S CLAIM OR INCLUDE INCIDENTAL OR
CONSEQUENTIAL DAMAGES. 
 2.10 Indemnity and Contribution. 

2.10.1 IN THE EVENT *** FOR DAMAGES OF THE TYPE LIMITED OR EXCLUDED IN LIMITATIONS, PARAGRAPH 2.9. ABOVE, *** SHALL INDEMNIFY AND
HOLD *** HARMLESS FROM AND AGAINST ANY CLAIM BY OR LIABILITY TO SUCH THIRD PARTY FOR CONTRIBUTION OR INDEMNITY, INCLUDING COSTS AND EXPENSES (INCLUDING ATTORNEYS’ FEES) INCIDENT THERETO OR INCIDENT TO ESTABLISHING SUCCESSFULLY THE RIGHT TO
INDEMNIFICATION UNDER THIS PROVISION. THIS INDEMNITY SHALL APPLY WHETHER OR NOT SUCH DAMAGES WERE OCCASIONED IN WHOLE OR IN PART BY THE FAULT OR NEGLIGENCE OF CFM, WHETHER ACTIVE, PASSIVE OR IMPUTED. 

2.10.2 *** SHALL INDEMNIFY AND HOLD *** HARMLESS FROM ANY DAMAGE, LOSS, CLAIM, AND LIABILITY OF ANY KIND (INCLUDING EXPENSES OF
LITIGATION AND ATTORNEYS’ FEES) FOR PHYSICAL INJURY TO OR DEATH OF ANY PERSON, OR FOR PROPERTY DAMAGE OF ANY TYPE, ARISING OUT OF THE ALLEGED DEFECTIVE NATURE OF ANY PRODUCT OR SERVICE FURNISHED UNDER THIS AGREEMENT, TO THE EXTENT THAT THE
PAYMENTS MADE OR REQUIRED TO BE MADE BY *** EXCEED ITS ALLOCATED SHARE OF THE TOTAL FAULT OR LEGAL RESPONSIBILITY OF ALL PERSONS ALLEGED TO HAVE CAUSED SUCH DAMAGE, LOSS, CLAIM, OR LIABILITY BECAUSE OF A LIMITATION OF LIABILITY ASSERTED BY *** OR
BECAUSE *** DID NOT APPEAR IN AN ACTION BROUGHT AGAINST ***. *** OBLIGATION TO INDEMNIFY *** HEREUNDER SHALL BE APPLICABLE AT SUCH TIME AS *** IS REQUIRED TO MAKE PAYMENT PURSUANT TO A FINAL JUDGEMENT IN AN ACTION OR

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-EE1	  	Page 4

 
PROCEEDING IN WHICH *** WAS A PARTY, PERSONALLY APPEARED, AND HAD THE OPPORTUNITY TO DEFEND ITSELF. THIS INDEMNITY SHALL APPLY WHETHER OR NOT *** LIABILITY IS OTHERWISE LIMITED. 

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-EE1	  	Page 5

 TABLE 1 
 CFM56 WARRANTY PARTS LIST 
 *** 

 

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

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-EE1	  	Page 6

 TABLE 1 
 CFM56 WARRANTY PARTS LIST 
 *** 

 
  

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

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-EE1	  	Page 7

 SERVICE LIFE POLICY COMPONENTS 

between 

THE BOEING COMPANY 
 and 
 UNITED AIR LINES, INC. 

Supplemental Exhibit SLP1 
 to Purchase Agreement Number PA-03784 

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-SLP1	  	Page 1

 SERVICE LIFE POLICY COMPONENTS 

relating to 
 BOEING MODEL 737-900ER AIRCRAFT 
 This is the listing of SLP
Components for the Aircraft which relate to Part 3, Boeing Service Life Policy of Exhibit C, Product Assurance Document to the AGTA and is a part of Purchase Agreement No. PA-03784. 

1. Wing. 
  

	 	(i)	Upper and lower wing skins and stiffeners between the forward and rear wing spars. 

 

	 	(ii)	Wing spar webs, chords and stiffeners. 

  

	 	(iii)	Inspar wing ribs. 

  

	 	(iv)	Inspar splice plates and fittings. 

  

	 	(v)	Main landing gear support structure. 

  

	 	(vi)	Wing center section lower beams, spanwise beams and floor beams, but not the seat tracks attached to floor beams. 

 

	 	(vii)	Wing-to-body structural attachments. 

  

	 	(viii)	Engine strut support fittings attached directly to wing primary structure. 

 

	 	(ix)	Support structure in the wing for spoilers and spoiler actuators; for aileron hinges and reaction links; and for leading edge devices and trailing edge flaps.

  

	 	(x)	Trailing edge flap tracks and carriages. 

  

	 	(xi)	Aileron leading edge device and trailing edge flap internal, fixed attachment and actuator support structure. 

2. Body. 
  

	 	(i)	External surface skins and doublers, longitudinal stiffeners, longerons and circumferential rings and frames between the forward pressure bulkhead and the vertical
stabilizer rear spar bulkhead and structural support and enclosure for the APU but excluding all system components and related installation and connecting devices, insulation, lining, and decorative panels and related installation and connecting
devices. 

  

	 	(ii)	Window and windshield structure but excluding the windows and windshields. 

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-SLP1	  	Page 2

	 	(iii)	Fixed attachment structure of the passenger doors, cargo doors and emergency exits, excluding door mechanisms and movable hinge components. Sills and frames around the
body openings for the passenger doors, cargo doors and emergency exits, excluding scuff plates and pressure seals. 

  

	 	(iv)	Nose wheel well structure, including the wheel well walls, pressure deck, bulkheads, and gear support structure. 

 

	 	(v)	Main gear wheel well structure including pressure deck and landing gear beam support structure. 

 

	 	(vi)	Floor beams and support posts in the control cab and passenger cabin area, but excluding seat tracks. 

 

	 	(vii)	Forward and aft pressure bulkheads. 

  

	 	(viii)	Keel structure between the wing front spar bulkhead and the main gear wheel well aft bulkhead including splices. 

 

	 	(ix)	Wing front and rear spar support bulkheads, and vertical and horizontal stabilizer front and rear spar support bulkheads including terminal fittings but excluding all
system components and related installation and connecting devices, insulation, lining, and decorative panels and related installation and connecting devices. 

 

	 	(x)	Support structure in the body for the stabilizer pivot and stabilizer screw. 

 3. Vertical Stabilizer. 
  

	 	(i)	External skins between front and rear spars. 

  

	 	(ii)	Front, rear and auxiliary spar chords, webs and stiffeners and attachment fittings. 

 

	 	(iii)	Inspar ribs. 

  

	 	(iv)	Rudder hinges and supporting ribs, excluding bearings. 

  

	 	(v)	Support structure in the vertical stabilizer for rudder hinges, reaction links and actuators. 

 

	 	(vi)	Rudder internal, fixed attachment and actuator support structure. 

 4. Horizontal Stabilizer. 
  

	 	(i)	External skins between front and rear spars. 

  

	 	(ii)	Front and rear spar chords, webs and stiffeners. 

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-SLP1	  	Page 3

	 	(iii)	Inspar ribs. 

  

	 	(iv)	Stabilizer center section including hinge and screw support structure. 

  

	 	(v)	Support structure in the horizontal stabilizer for the elevator hinges, reaction links and actuators. 

 

	 	(vi)	Elevator internal, fixed attachment and actuator support structure. 

 5. Engine Strut. 
  

	 	(i)	Strut external surface skin and doublers and stiffeners. 

  

	 	(ii)	Internal strut chords, frames and bulkheads. 

  

	 	(iii)	Strut to wing fittings and diagonal brace. 

  

	 	(iv)	Engine mount support fittings attached directly to strut structure and including the engine-mounted support fittings. 

6. Main Landing Gear. 
  

	 	(i)	Outer cylinder. 

  

	 	(ii)	Inner cylinder, including axles. 

  

	 	(iii)	Upper and lower side struts, including spindles, universals and reaction links. 

 

	 	(iv)	Drag strut. 

  

	 	(v)	Orifice support tube. 

  

	 	(vi)	Downlock links including spindles and universals. 

  

	 	(vii)	Torsion links. 

  

	 	(viii)	Bell crank. 

  

	 	(ix)	Trunnion link. 

  

	 	(x)	Actuator beam, support link and beam arm. 

 7.
Nose Landing Gear. 
  

	 	(i)	Outer cylinder. 

  

	 	(ii)	Inner cylinder, including axles. 

  

	 	(iii)	Orifice support tube. 

  

	 	(iv)	Upper and lower drag strut, including lock links. 

  

	 	(v)	Steering plates and steering collars. 

  

	 	(vi)	Torsion links. 

  

	 	NOTE:	The Service Life Policy *** the SLP Components. 

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-SLP1	  	Page 4

					
	 

	 	  	 	 The Boeing Company

P.O. Box 3707
 Seattle, WA
98124-2207

 UAL-PA-03784-LA-1207868 
 United Air Lines, Inc. 
 77 West Wacker Drive 

Chicago, Illinois 60601-0100 
  

			
	Subject:	  	Aircraft Performance Guarantees
		
	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 agrees to
provide Customer with the performance guarantees in the Attachment. These guarantees are exclusive and expire upon delivery of the Aircraft to Customer. 
 1. 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. 

2. 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. 

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-LA-1207868	  	Page 1
	Performance Guarantees	  	

 

 
  
 Very truly yours, 

 

					
	THE BOEING COMPANY
		
	 By
	 	/s/ ***
		
	 Its
	 	Attorney-in-Fact
	
	 ACCEPTED AND AGREED TO this

			
	 Date:
	 		 	July 12, 2012        
	
	 United Air Lines, Inc.

		
	 By
	 	/s/ Gerald Laderman
		
	 Its
	 	Senior Vice President – Finance and Treasurer

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-LA-1207868	  	
	Performance Guarantees	  	Page 2

 Attachment to Letter Agreement 
 No. CAL-PA-1951-LA-1208066 
 *** 
 Page 1
 MODEL 737-900ER *** PERFORMANCE GUARANTEES 

FOR UNITED AIR LINES, INC. 
  

			
	SECTION	  	                             
     CONTENTS
	1	  	AIRCRAFT MODEL APPLICABILITY
		
	2	  	FLIGHT PERFORMANCE
		
	3	  	MANUFACTURER’S EMPTY WEIGHT
		
	4	  	AIRCRAFT CONFIGURATION
		
	5	  	GUARANTEE CONDITIONS
		
	6	  	GUARANTEE COMPLIANCE
		
	7	  	EXCLUSIVE GUARANTEES

 BOEING / CONTINENTAL AIR LINES, INC. PROPRIETARY 

 

			
	P.A. No. PA-1951	  	
	AERO-B-BBA4-M12-0362C	  	SS12-0153

 Attachment to Letter Agreement 
 No. UAL-PA-03784-LA-1207868 
 *** 
 Page 2 
  
  

	1	AIRCRAFT MODEL APPLICABILITY 

 The guarantees contained in this Attachment (the “Performance Guarantees”) are applicable to the 737-900ER Aircraft *** and a maximum takeoff weight of *** pounds, a maximum landing weight of
*** pounds, and a maximum zero fuel weight of *** pounds, and equipped with Boeing furnished *** engines. 
  

	2	FLIGHT PERFORMANCE 

  

	2.1	Takeoff 

  

	2.1.1	The FAA approved takeoff field length at a gross weight at the start of the ground roll of *** pounds, at a temperature of ***°F, at a *** altitude, with an
alternate forward center of gravity limit of *** percent of the mean aerodynamic chord, and using maximum takeoff thrust, shall not be more than the following guarantee value: 

GUARANTEE:    *** Feet 
  

	2.1.2	The FAA approved takeoff gross weight at the start of ground roll, at a temperature of ***°F, at an altitude of *** feet, from a *** foot runway, with an
alternate forward center of gravity limit of *** percent of the mean aerodynamic chord, and using maximum takeoff thrust, shall not be less than the following guarantee value: 

GUARANTEE:    *** Pounds 
  

	2.2	Landing 

  

	2.2.1	The FAA approved landing field length at a gross weight of *** pounds and at a *** altitude, shall not be more than the following guarantee value:

 GUARANTEE:    *** Feet 

 

	2.2.2	The FAA approved landing field length at a gross weight of *** pounds and at an altitude of *** feet, shall not be more than the following guarantee value:

 GUARANTEE:    *** Feet 

 

	2.3	Speed 

 The level flight
speed at a gross weight of *** pounds, on an ISA+10°C day, at an altitude of *** feet and using not more than maximum cruise thrust, shall not be less than the following guarantee value: 

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	P.A. No. 03784	  	
	AERO-B-BBA4-M12-0320C	  	SS12-0153

 Attachment to Letter Agreement 
 No. UAL-PA-03784-LA-1207868 
 *** 
 Page 3 
  
  

							
		 	NOMINAL:	  	*** KTAS	  	
		 	TOLERANCE:	  	*** KTAS	  	
		 	GUARANTEE:	  	*** KTAS	  	

  

	2.4	Altitude Capability—All Engines Operating 

 The altitude capability at a gross weight of *** pounds, on an ISA+10°C day, at *** Mach number, and satisfying the conditions defined below, shall not be less than the following guarantee value:

 GUARANTEE:    *** Feet 
 Conditions: 
  

	 	1)	The Aircraft shall be capable of maintaining level cruising flight using not more than maximum cruise thrust. 

 

	 	2)	The Aircraft shall be capable of maintaining a rate of climb of *** feet per minute using not more than maximum climb thrust. 

 

	 	3)	The Aircraft shall be capable of at least a *** g maneuver load factor at buffet onset. 

 

	2.5	Enroute One-Engine-Inoperative Altitude 

 The FAA approved enroute one-engine-inoperative altitude at which the available gross climb gradient equals *** percent at a gross weight of *** pounds on an ISA+10°C day using not more than maximum
continuous thrust, shall not be less than the following guarantee value: 
 GUARANTEE:    *** Feet

  

	2.6	Cruise Range 

 The still
air range at an initial cruise altitude of *** feet on a standard day at *** Mach number, starting at a gross weight of *** pounds and consuming *** pounds of fuel, and using not more than maximum cruise thrust (except maximum climb thrust may be
used during a step climb) and using the conditions and operating rules defined below, shall not be less than the following guarantee value: 
  

							
		 	NOMINAL:	  	*** Nautical Miles	  	
		 	TOLERANCE:	  	*** Nautical Miles	  	
		 	GUARANTEE:	  	*** Nautical Miles	  	

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	P.A. No. 03784	  	
	AERO-B-BBA4-M12-0320C	  	SS12-0153

 Attachment to Letter Agreement 
 No. UAL-PA-03784-LA-1207868 
 *** 
 Page 4 
  

Conditions and operating rules: 
 A step climb or multiple step climbs of *** feet altitude may be used when beneficial to minimize fuel burn. 
  

	2.7	Mission 

  

	2.7.1	Mission Payload 

 The
payload for a stage length of *** nautical miles in still air (equivalent to a distance of *** nautical miles with a *** knot headwind, representative of a *** to *** route) using the conditions and operating rules defined below, shall not be less
than the following guarantee value: 
  

							
		 	NOMINAL:	  	*** Pounds	  	
		 	TOLERANCE:    	  	*** Pounds	  	
		 	GUARANTEE:	  	*** Pounds	  	

 Conditions and operating rules: 

 

					
		 	Stage Length:        	  	The stage length is defined as the sum of the distances for climb, cruise, and descent.
			
		 	Takeoff:	  	The airport altitude is *** feet.
			
		 		  	The airport temperature is ***°F.
			
		 		  	The runway length is *** feet.
			
		 		  	The following obstacle definition is based on a straight out departure where obstacle height and distance are specified with reference to the liftoff end of the
runway:

  

									
		 		  	Distance	    	Height	  	
		 	1.	  	*** feet	    	*** feet	  	
		 	2.	  	*** feet	    	*** feet	  	
		 	3.	  	*** feet	    	*** feet	  	
		 	4.	  	*** feet	    	*** feet	  	
		 	5.	  	*** feet	    	*** feet	  	
		 	6.	  	*** feet	    	*** feet	  	

  

					
		  		  	Takeoff performance is based on an alternate forward center of gravity limit of *** percent of the mean aerodynamic chord.

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	P.A. No. 03784	  	
	AERO-B-BBA4-M12-0320C	  	SS12-0153

 Attachment to Letter Agreement 
 No. UAL-PA-03784-LA-1207868 
 *** 
 Page 5 
  
  

					
		 		  	Maximum takeoff thrust is used for the takeoff.
			
		 		  	The takeoff gross weight shall conform to FAA Regulations.
			
		 	 Climbout

Maneuver:            
	  	Following the takeoff to *** feet, the Aircraft accelerates to *** KCAS while climbing to *** feet above the departure airport altitude and retracting flaps and landing
gear.
			
		 	Climb:	  	The Aircraft climbs from *** feet above the departure airport altitude to *** feet altitude at *** KCAS.
			
		 		  	The Aircraft then accelerates at a rate of climb of *** feet per minute to the recommended climb speed for minimum block fuel.
			
		 		  	The climb continues at the recommended climb speed for minimum block fuel until *** Mach number is reached.
			
		 		  	The climb continues at *** Mach number to the initial cruise altitude.
			
		 		  	The temperature is standard day during climb.
			
		 		  	Maximum climb thrust is used during climb.
			
		 	Cruise:	  	The Aircraft cruises at *** Mach number.
			
		 		  	The initial cruise altitude is *** feet.
			
		 		  	A step climb or multiple step climbs of *** feet altitude may be used when beneficial to minimize fuel burn.
			
		 		  	The temperature is standard day during cruise.
			
		 		  	The cruise thrust is not to exceed maximum cruise thrust except during a step climb when maximum climb thrust may be used.
			
		 	Descent:	  	The Aircraft descends from the final cruise altitude at *** KCAS to an altitude of *** feet above the destination airport altitude.

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	P.A. No. 03784	  	
	AERO-B-BBA4-M12-0320C	  	SS12-0153

 Attachment to Letter Agreement 
 No. UAL-PA-03784-LA-1207868 
 *** 
 Page 6 
  
  

					
			
		 		  	Throughout the descent, the cabin pressure will be controlled to a maximum rate of descent equivalent to *** feet per minute at sea level.
			
		 		  	The temperature is standard day during descent.
			
		 	 Approach and
 Landing
Maneuver:
	  	The Aircraft decelerates to the final approach speed while extending landing gear and flaps, then descends and lands.
			
		 		  	The destination airport altitude is *** feet.
			
		 	Fixed Allowances:      	  	For the purpose of this guarantee and for the purpose of establishing compliance with this guarantee, the following shall be used as fixed quantities and
allowances:
			
		 		  	Taxi-Out:
		 		  	 Fuel                 *** Pounds

			
		 		  	Takeoff and Climbout Maneuver:
		 		  	 Fuel                 *** Pounds

			
		 		  	Approach and Landing Maneuver:
		 		  	 Fuel                 *** Pounds

			
		 		  	Taxi-In (shall be consumed from the reserve fuel):
		 		  	 Fuel                 *** Pounds

			
		 		  	Usable reserve fuel remaining upon completion of the approach and landing maneuver: *** Pounds
			
		 		  	For information purposes, the reserve fuel is based on a standard day temperature and a contingency fuel allowance equivalent to *** minutes of continued cruise starting at the end
of the mission cruise and at *** Mach number.

  

	2.7.2	Mission Payload 

 The
payload for a stage length of *** nautical miles in still air (equivalent to a distance of *** nautical miles with a *** knot headwind, representative of a *** to *** route) using the conditions and operating rules defined below, shall not be less
than the following guarantee value: 

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	P.A. No. 03784	  	
	AERO-B-BBA4-M12-0320C	  	SS12-0153

 Attachment to Letter Agreement 
 No. UAL-PA-03784-LA-1207868 
 *** 
 Page 7 
  
  

							
		 	NOMINAL:	  	*** Pounds	  	
		 	TOLERANCE:	  	*** Pounds	  	
		 	GUARANTEE:	  	*** Pounds	  	

 Conditions and operating rules: 

 

					
		 	Stage Length:	  	The stage length is defined as the sum of the distances for climb, cruise, and descent.
			
		 	Takeoff:	  	The airport altitude is *** feet.
			
		 		  	The takeoff gross weight is not limited by the airport conditions.
			
		 		  	Maximum takeoff thrust is used for the takeoff.
			
		 		  	The takeoff gross weight shall conform to FAA Regulations.
			
		 	 Climbout

Maneuver:    
	  	Following the takeoff to *** feet, the Aircraft accelerates to *** KCAS while climbing to *** feet above the departure airport altitude and retracting flaps and landing
gear.
			
		 	Climb:	  	The Aircraft climbs from *** feet above the departure airport altitude to *** feet altitude at *** KCAS.
			
		 		  	The Aircraft then accelerates at a rate of climb of *** feet per minute to the recommended climb speed for minimum block fuel.
			
		 		  	The climb continues at the recommended climb speed for minimum block fuel until *** Mach number is reached.
			
		 		  	The climb continues at the recommended climb speed for minimum block fuel until the initial cruise altitude is reached.
			
		 		  	The temperature is ISA+5°C during climb.
			
		 		  	Maximum climb thrust is used during climb.
			
		 	Cruise:	  	The Aircraft cruises at *** Mach number.
			
		 		  	The initial cruise altitude is *** feet.

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	P.A. No. 03784	  	
	AERO-B-BBA4-M12-0320C	  	SS12-0153

 Attachment to Letter Agreement 
 No. UAL-PA-03784-LA-1207868 
 *** 
 Page 8 
  
  

					
		 		  	A step climb or multiple step climbs of *** feet altitude may be used when beneficial to minimize fuel burn.
			
		 		  	The temperature is ISA+5°C during cruise.
			
		 		  	The cruise thrust is not to exceed maximum cruise thrust except during a step climb when maximum climb thrust may be used.
			
		 	Descent:	  	The Aircraft descends from the final cruise altitude at *** KCAS to an altitude of *** feet above the destination airport altitude.
			
		 		  	Throughout the descent, the cabin pressure will be controlled to a maximum rate of descent equivalent to *** feet per minute at sea level.
			
		 		  	The temperature is ISA+5°C during descent.
			
		 	 Approach

and Landing
 Maneuver:
	  	The Aircraft decelerates to the final approach speed while extending landing gear and flaps, then descends and lands.
			
		 		  	The destination airport altitude is *** feet.
			
		 	Fixed Allowances:    	  	For the purpose of this guarantee and for the purpose of establishing compliance with this guarantee, the following shall be used as fixed quantities and
allowances:
			
		 		  	Taxi-Out:
		 		  	 Fuel                 *** Pounds

			
		 		  	Takeoff and Climbout Maneuver:
		 		  	 Fuel                 *** Pounds

			
		 		  	Approach and Landing Maneuver:
		 		  	 Fuel                 *** Pounds

			
		 		  	Taxi-In (shall be consumed from the reserve fuel):
		 		  	 Fuel                 *** Pounds

			
		 		  	Usable reserve fuel remaining upon completion of the approach and landing maneuver: *** Pounds

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	P.A. No. 03784	  	
	AERO-B-BBA4-M12-0320C	  	SS12-0153

 Attachment to Letter Agreement 
 No. UAL-PA-03784-LA-1207868 
 *** 
 Page 9 
  
  

					
		 		  	For information purposes, the reserve fuel is based on a standard day temperature and a contingency fuel allowance equivalent to *** minutes of continued cruise starting at the end
of the mission and at a *** Mach number.

  

	2.7.3	Mission Payload 

 The
payload for a stage length of *** nautical miles in still air (equivalent to a distance of *** nautical miles with a *** knot tailwind, representative of a *** to *** route) using the conditions and operating rules defined below, shall not be less
than the following guarantee value: 
  

							
		 	NOMINAL:	  	*** Pounds	  	
		 	TOLERANCE:	  	*** Pounds	  	
		 	GUARANTEE:	  	*** Pounds	  	

 Conditions and operating rules: 

 

					
		 	Stage Length:	  	The stage length is defined as the sum of the distances for climb, cruise, and descent.
			
		 	Takeoff:	  	The airport altitude is *** feet.
			
		 		  	 The airport temperature is ***°F.
  

The runway length is *** feet.

			
		 		  	The runway slope is *** percent downhill.
			
		 		  	Takeoff performance is based on an alternate forward center of gravity limit of *** percent of the mean aerodynamic chord.
			
		 		  	Maximum takeoff thrust is used for the takeoff.
			
		 		  	The takeoff gross weight shall conform to FAA Regulations.
			
		 	 Climbout

Maneuver:    
	  	Following the takeoff to *** feet, the Aircraft accelerates to *** KCAS while climbing to *** feet above the departure airport altitude and retracting flaps and landing
gear.
			
		 	Climb:	  	The Aircraft climbs from *** feet above the departure airport altitude to *** feet altitude at *** KCAS.

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	P.A. No. 03784	  	
	AERO-B-BBA4-M12-0320C	  	SS12-0153

 Attachment to Letter Agreement 
 No. UAL-PA-03784-LA-1207868 
 *** 
 Page 10 
  
  

					
		 		  	The Aircraft then accelerates at a rate of climb of *** feet per minute to the recommended climb speed for minimum block fuel.
			
		 		  	The climb continues at the recommended climb speed for minimum block fuel until *** Mach number is reached.
			
		 		  	The climb continues at *** Mach number to the initial cruise altitude.
			
		 		  	The temperature is ISA+10°C during climb.
			
		 		  	Maximum climb thrust is used during climb.
			
		 	Cruise:	  	The Aircraft cruises at *** Mach number.
			
		 		  	The initial cruise altitude is *** feet.
			
		 		  	A step climb or multiple step climbs of *** feet altitude may be used when beneficial to minimize fuel burn.
			
		 		  	The temperature is ISA+10°C during cruise.
			
		 		  	The cruise thrust is not to exceed maximum cruise thrust except during a step climb when maximum climb thrust may be used.
			
		 	Descent:	  	The Aircraft descends from the final cruise altitude at *** KCAS to an altitude of *** feet above the destination airport altitude.
			
		 		  	Throughout the descent, the cabin pressure will be controlled to a maximum rate of descent equivalent to *** feet per minute at sea level.
			
		 		  	The temperature is ISA+10°C during descent.
			
		 	 Approach
 and
Landing
 Maneuver:    
	  	The Aircraft decelerates to the final approach speed while extending landing gear and flaps, then descends and lands.
			
		 		  	The destination airport altitude is *** feet.

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	P.A. No. 03784	  	
	AERO-B-BBA4-M12-0320C	  	SS12-0153

 Attachment to Letter Agreement 
 No. UAL-PA-03784-LA-1207868 
 *** 
 Page 11 
  

					
		 	 Fixed

Allowances:    
	  	For the purpose of this guarantee and for the purpose of establishing compliance with this guarantee, the following shall be used as fixed quantities and
allowances:
			
		 		  	Taxi-Out:
		 		  	 Fuel                 *** Pounds

			
		 		  	Takeoff and Climbout Maneuver:
		 		  	 Fuel                 *** Pounds

			
		 		  	Approach and Landing Maneuver:
		 		  	 Fuel                 *** Pounds

			
		 		  	Taxi-In (shall be consumed from the reserve fuel):
		 		  	 Fuel                 *** Pounds

			
		 		  	Usable reserve fuel remaining upon completion of the approach and landing maneuver: *** Pounds
			
		 		  	For information purposes, the reserve fuel is based on a standard day temperature and a contingency fuel allowance equivalent to *** minutes of continued cruise starting at the end
of the mission cruise and at *** Mach number.

  

	2.7.4	Mission Block Fuel 

 The
block fuel for a stage length of *** nautical miles in still air with a *** pound payload using the conditions and operating rules defined below, shall not be more than the following guarantee value: 

 

							
		 	NOMINAL:	  	*** Pounds	  	
		 	TOLERANCE:	  	*** Pounds	  	
		 	GUARANTEE:	  	*** Pounds	  	

 Conditions and operating rules: 

 

					
		 	Stage Length:	  	The stage length is defined as the sum of the distances for climb, cruise, and descent.
			
		 	Block Fuel:    	  	The block fuel is defined as the sum of the fuel used for taxi-out, takeoff and climbout maneuver, climb, cruise, descent, approach and landing maneuver, and
taxi-in.
			
		 	Takeoff:	  	The airport altitude is ***.
			
		 		  	The takeoff gross weight is *** by the airport conditions.

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	P.A. No. 03784	  	
	AERO-B-BBA4-M12-0320C	  	SS12-0153

 Attachment to Letter Agreement 
 No. UAL-PA-03784-LA-1207868 
 *** 
 Page 12 
  
  

					
		 		  	Maximum takeoff thrust is used for the takeoff.
			
		 		  	The takeoff gross weight shall conform to FAA Regulations.
			
		 	Climbout Maneuver:    	  	Following the takeoff to *** feet, the Aircraft accelerates to *** KCAS while climbing to *** feet above the departure airport altitude and retracting flaps and landing
gear.
			
		 	Climb:	  	The Aircraft climbs from *** feet above the departure airport altitude to *** feet altitude at *** KCAS.
			
		 		  	The Aircraft then accelerates at a rate of climb of *** feet per minute to the recommended climb speed for minimum block fuel.
			
		 		  	The climb continues at the recommended climb speed for minimum block fuel until *** Mach number is reached.
			
		 		  	The climb continues at *** Mach number to the initial cruise altitude.
			
		 		  	The temperature is standard day during climb. Maximum climb thrust is used during climb.
			
		 	Cruise:	  	The Aircraft cruises at *** Mach number.
			
		 		  	The initial cruise altitude is *** feet.
			
		 		  	A step climb or multiple step climbs of *** feet altitude may be used when beneficial to minimize fuel burn.
			
		 		  	The temperature is standard day during cruise.
			
		 		  	The cruise thrust is not to exceed maximum cruise thrust except during a step climb when maximum climb thrust may be used.
			
		 	Descent:	  	The Aircraft descends from the final cruise altitude at *** KCAS to an altitude of *** feet above the destination airport altitude.

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	P.A. No. 03784	  	
	AERO-B-BBA4-M12-0320C	  	SS12-0153

 Attachment to Letter Agreement 
 No. UAL-PA-03784-LA-1207868 
 *** 
 Page 13 
  
  

					
		 		  	Throughout the descent, the cabin pressure is controlled to a maximum rate of descent equivalent to *** feet per minute at sea level.
			
		 		  	The temperature is standard day during descent.
			
		 	 Approach
 and
Landing
 Maneuver:
	  	The Aircraft decelerates to the final approach speed while extending landing gear and flaps, then descends and lands.
			
		 		  	The destination airport altitude is a *** airport.
			
		 	 Fixed

Allowances:    
	  	For the purpose of this guarantee and for the purpose of establishing compliance with this guarantee, the following shall be used as fixed quantities and
allowances:
			
		 		  	Taxi-Out:
		 		  	 Fuel                 *** Pounds

			
		 		  	Takeoff and Climbout Maneuver:
		 		  	 Fuel                 *** Pounds

			
		 		  	Approach and Landing Maneuver:
		 		  	 Fuel                 *** Pounds

			
		 		  	Taxi-In (shall be consumed from the reserve fuel):
		 		  	 Fuel                 *** Pounds

			
		 		  	Usable reserve fuel remaining upon completion of the approach and landing maneuver: *** Pounds
			
		 		  	For information purposes, the reserve fuel is based on a standard day temperature and a contingency fuel allowance equivalent to *** minutes of continued cruise starting at the end
of the mission cruise and at *** Mach number

  

	2.7.5	Mission Block Fuel 

 The
block fuel for a stage length of *** nautical miles in still air with a *** pound payload using the conditions and operating rules defined below, shall not be more than the following guarantee value: 

 

							
		 	NOMINAL:	  	*** Pounds	  	
		 	TOLERANCE:	  	*** Pounds	  	
		 	GUARANTEE:	  	*** Pounds	  	

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	P.A. No. 03784	  	
	AERO-B-BBA4-M12-0320C	  	SS12-0153

 Attachment to Letter Agreement 
 No. UAL-PA-03784-LA-1207868 
 *** 
 Page 14 
  
 Conditions and operating rules: 
  

					
		 	Stage Length:    	  	The stage length is defined as the sum of the distances for climb, cruise, and descent.
			
		 	Block Fuel:	  	The block fuel is defined as the sum of the fuel used for taxi-out, takeoff and climbout maneuver, climb, cruise, descent, approach and landing maneuver, and
taxi-in.
			
		 	Takeoff:	  	The airport altitude is ***.
			
		 		  	The takeoff gross weight is *** the airport conditions.
			
		 		  	Maximum takeoff thrust is used for the takeoff.
			
		 		  	The takeoff gross weight shall conform to FAA Regulations.
			
		 	 Climbout

Maneuver:
	  	Following the takeoff to *** feet, the Aircraft accelerates to *** KCAS while climbing to *** feet above the departure airport altitude and retracting flaps and landing
gear.
			
		 	Climb:	  	The Aircraft climbs from *** feet above the departure airport altitude to *** feet altitude at *** KCAS.
			
		 		  	The Aircraft then accelerates at a rate of climb of *** feet per minute to the recommended climb speed for minimum block fuel.
			
		 		  	The climb continues at the recommended climb speed for minimum block fuel until *** Mach number is reached.
			
		 		  	The climb continues at *** Mach number to the initial cruise altitude.
			
		 		  	The temperature is standard day during climb.
			
		 		  	Maximum climb thrust is used during climb.
			
		 	Cruise:	  	The Aircraft cruises at *** Mach number.
			
		 		  	The initial cruise altitude is *** feet.

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	P.A. No. 03784	  	
	AERO-B-BBA4-M12-0320C	  	SS12-0153

 Attachment to Letter Agreement 
 No. UAL-PA-03784-LA-1207868 
 *** 
 Page 15 
  
  

					
		 		  	A step climb or multiple step climbs of *** feet altitude may be used when beneficial to minimize fuel burn.
			
		 		  	The temperature is standard day during cruise.
			
		 		  	The cruise thrust is not to exceed maximum cruise thrust except during a step climb when maximum climb thrust may be used.
			
		 	 Descent:
	  	The Aircraft descends from the final cruise altitude at *** KCAS to an altitude of *** feet above the destination airport altitude.
			
		 		  	Throughout the descent, the cabin pressure is controlled to a maximum rate of descent equivalent to *** feet per minute at sea level.
			
		 		  	 The temperature is standard day during descent.

			
		 	 Approach

and Landing
 Maneuver:
	  	The Aircraft decelerates to the final approach speed while extending landing gear and flaps, then descends and lands.
			
		 		  	 The destination airport altitude is a sea level airport.

			
		 	 Fixed

Allowances:    
	  	For the purpose of this guarantee and for the purpose of establishing compliance with this guarantee, the following shall be used as fixed quantities and
allowances:
			
		 		  	 Taxi-Out:

		 		  	 Fuel                 *** Pounds

			
		 		  	 Takeoff and Climbout Maneuver:

		 		  	 Fuel                 *** Pounds

			
		 		  	 Approach and Landing Maneuver:

		 		  	 Fuel                 *** Pounds

			
		 		  	 Taxi-In (shall be consumed from the reserve fuel):

		 		  	 Fuel                 *** Pounds

			
		 		  	Usable reserve fuel remaining upon completion of the approach and landing maneuver: *** Pounds

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	P.A. No. 03784	  	
	AERO-B-BBA4-M12-0320C	  	SS12-0153

 Attachment to Letter Agreement 
 No. UAL-PA-03784-LA-1207868 
 *** 
 Page 16 
  

					
		 		  	For information purposes, the reserve fuel is based on a standard day temperature and a contingency fuel allowance equivalent to *** minutes of continued cruise starting at the end
of the mission cruise and at *** Mach number

  

	2.7.6	Mission Block Fuel 

 The
block fuel for a stage length of *** nautical miles in still air (equivalent to a distance of *** nautical miles with a *** knot headwind, representative of a *** to *** route) with a *** pound payload using the conditions and operating rules
defined below, shall not be more than the following guarantee value: 
  

											
		 		 	 NOMINAL:
	  	*** Pounds	  		  	
		 		 	 TOLERANCE:
	  	*** Pounds	  		  	
		 		 	 GUARANTEE:
	  	*** Pounds	  		  	

 Conditions and operating rules: 

 

					
		 	Stage Length:    	  	The stage length is defined as the sum of the distances for climb, cruise, and descent.
			
		 	Block Fuel:	  	The block fuel is defined as the sum of the fuel used for taxi-out, takeoff and climbout maneuver, climb, cruise, descent, approach and landing maneuver, and
taxi-in.
			
		 	Takeoff:	  	The airport altitude is *** feet.
			
		 		  	The takeoff gross weight is *** the airport conditions.
			
		 		  	Maximum takeoff thrust is used for the takeoff.
			
		 		  	The takeoff gross weight shall conform to FAA Regulations.
			
		 	 Climbout

Maneuver:
	  	Following the takeoff to *** feet, the Aircraft accelerates to *** KCAS while climbing to *** feet above the departure airport altitude and retracting flaps and landing
gear.
			
		 	Climb:	  	The Aircraft climbs from *** feet above the departure airport altitude to *** feet altitude at *** KCAS.
			
		 		  	The Aircraft then accelerates at a rate of climb of *** feet per minute to the recommended climb speed for minimum block fuel.

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	P.A. No. 03784	  	
	AERO-B-BBA4-M12-0320C	  	SS12-0153

 Attachment to Letter Agreement 
 No. UAL-PA-03784-LA-1207868 
 *** 
 Page 17 
  
  

					
		 		  	The climb continues at the recommended climb speed for minimum block fuel until *** Mach number is reached.
			
		 		  	The climb continues at *** Mach number to the initial cruise altitude.
			
		 		  	The temperature is standard day during climb.
			
		 		  	Maximum climb thrust is used during climb.
			
		 	Cruise:	  	The Aircraft cruises at *** Mach number.
			
		 		  	The initial cruise altitude is *** feet.
			
		 		  	A step climb or multiple step climbs of *** feet altitude may be used when beneficial to minimize fuel burn.
			
		 		  	The temperature is standard day during cruise.
			
		 		  	The cruise thrust is not to exceed maximum cruise thrust except during a step climb when maximum climb thrust may be used.
			
		 	Descent:	  	The Aircraft descends from the final cruise altitude at *** KCAS to an altitude of *** feet above the destination airport altitude.
			
		 		  	Throughout the descent, the cabin pressure is controlled to a maximum rate of descent equivalent to *** feet per minute at sea level.
			
		 		  	The temperature is standard day during descent.
			
		 	 Approach

and Landing

Maneuver:    
	  	The Aircraft decelerates to the final approach speed while extending landing gear and flaps, then descends and lands.
			
		 		  	The destination airport altitude is *** feet.
			
		 	Fixed Allowances:	  	For the purpose of this guarantee and for the purpose of establishing compliance with this guarantee, the following shall be used as fixed quantities and
allowances:
			
		 		  	 Taxi-Out:

Fuel                *** Pounds

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	P.A. No. 03784	  	
	AERO-B-BBA4-M12-0320C	  	SS12-0153

 Attachment to Letter Agreement 
 No. UAL-PA-03784-LA-1207868 
 *** 
 Page 18 
  
  

					
		 		  	 Takeoff and Climbout Maneuver:

		 		  	 Fuel                 *** Pounds

			
		 		  	 Approach and Landing Maneuver:

		 		  	 Fuel                 *** Pounds

			
		 		  	 Taxi-In (shall be consumed from the reserve fuel):

		 		  	 Fuel                 *** Pounds

			
		 		  	Usable reserve fuel remaining upon completion of the approach and landing maneuver: *** Pounds
			
		 		  	For information purposes, the reserve fuel is based on a standard day temperature and a contingency fuel allowance equivalent to *** minutes of continued cruise starting at the
end of the mission cruise and at *** Mach number

  

	2.7.7	Operational Empty Weight Basis 

 The Operational Empty Weight (OEW) derived in Paragraph 2.7.8 is the basis for the mission guarantees of Paragraphs 2.7.1, 2.7.2, 2.7.3, 2.7.4, 2.7.5, and 2.7.6. 

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	P.A. No. 03784	  	
	AERO-B-BBA4-M12-0320C	  	SS12-0153

 Attachment to Letter Agreement 
 No. UAL-PA-03784-LA-1207868 
 *** 
 Page 19 
  

	2.7.8	737-900ER Weight Summary—United Air Lines 

  

					
	 	  	Pounds	 
	 Standard Model Specification MEW
	  	 	***	  
		
	 Configuration Specification ***
	  			
	 *** Tourist Class Passengers
	  			
	 CFM56-7 Engines
	  			
	 *** lb (*** kg) Maximum Taxi Weight
	  			
	 *** U.S. Gallons (*** liters) Fuel Capacity
	  			
		
	 ***
	  			
	 ***
	  	 	***	  
	 ***
	  			
	 ***
	  	 	***	  
	 ***
	  	 	***	  
	 ***
	  	 	***	  
	 ***
	  	 	***	  
	 ***
	  	 	***	  
	 ***
	  	 	***	  
	 ***
	  	 	***	  
	 ***
	  	 	***	  
	 ***
	  	 	***	  
	 ***
	  	 	***	  
	 ***
	  	 	***	  
		
	 United Air Lines Manufacturer’s Empty Weight (MEW)
	  	 	***	  
		
	 Standard and Operational Items Allowance (Paragraph 2.7.9)
	  	 	***	  
		
	 United Air Lines Operational Empty Weight (OEW)
	  	 	***	  
		
	 ***
	  	 	***	  
		
	 United Air Lines Post-Delivery Operational Empty Weight (OEW)
	  	 	***	  

  

													
	 	  	Quantity	 	 	Pounds	 	 	Pounds	 
				
	 * Seat Weight Included
	  				 				 	 	*	** 
				
	 ***
	  	 	*	** 	 	 	*	** 	 			
				
	 ***
	  	 	*	** 	 	 	*	** 	 			
				
	 ***
	  	 	*	** 	 	 	*	** 	 			

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	P.A. No. 03784	  	
	AERO-B-BBA4-M12-0320C	  	SS12-0153

 Attachment to Letter Agreement 
 No. UAL-PA-03784-LA-1207868 
 *** 
 Page 20 
  

	2.7.9	Standard and Operational Items Allowance 

  

																	
	 	  	Qty	 	  	Pounds	 	  	Pounds	 	  	Pounds	 
	 Standard Items Allowance
	  				  				  				  	 	***	  
					
	 Unusable Fuel
	  				  				  	 	***	  	  			
	 Oil
	  				  				  	 	***	  	  			
	 Oxygen Equipment
	  				  				  	 	***	  	  			
	 Passenger Portable
	  	 	***	  	  	 	***	  	  				  			
	 Crew masks
	  	 	***	  	  	 	***	  	  				  			
	 Miscellaneous Equipment
	  				  				  	 	***	  	  			
	 Crash Axe
	  	 	***	  	  	 	***	  	  				  			
	 Megaphones
	  	 	***	  	  	 	***	  	  				  			
	 Flashlights
	  	 	***	  	  	 	***	  	  				  			
	 Smoke Hoods
	  	 	***	  	  	 	***	  	  				  			
	 Galley Structure & Fixed Inserts
	  				  				  	 	***	  	  			
					
	 Operational Items Allowance
	  				  				  				  	 	***	  
					
	 Crew and Crew Baggage
	  				  				  	 	***	  	  			
	 Flight Crew
	  	 	***	  	  	 	***	  	  				  			
	 Cabin Crew
	  	 	***	  	  	 	***	  	  				  			
	 Baggage
	  	 	***	  	  	 	***	  	  				  			
	 Catering Allowance & Removable Inserts
	  				  				  	 	***	  	  			
	 First Class
	  	 	***	  	  	 	***	  	  				  			
	 Business Class
	  	 	***	  	  	 	***	  	  				  			
	 Economy Class
	  	 	***	  	  	 	***	  	  				  			
	 Passenger Service Equipment
	  	 	***	  	  				  	 	***	  	  			
	 Potable Water—60 USG
	  				  				  	 	***	  	  			
	 Waste Tank Disinfectant
	  				  				  	 	***	  	  			
	 Emergency Equipment
	  				  				  	 	***	  	  			
	 Escape Slides – Forward
	  	 	***	  	  	 	***	  	  				  			
	 Escape Slides—Aft
	  	 	***	  	  	 	***	  	  				  			
	 Life Vests—Crew and Passengers
	  	 	***	  	  	 	***	  	  				  			
	 Life Rafts
	  	 	***	  	  	 	***	  	  				  			
	 Auto Radio Beacon (ELT)
	  	 	***	  	  	 	***	  	  				  			
					
	 Total Standard and Operational Items Allowance
	  				  				  				  	 	***	  

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	P.A. No. 03784	  	
	AERO-B-BBA4-M12-0320C	  	SS12-0153

 Attachment to Letter Agreement 
 No. UAL-PA-03784-LA-1207868 
 *** 
 Page 21 
  
  

	3	MANUFACTURER’S EMPTY WEIGHT 

 The Manufacturer’s Empty Weight (MEW) is guaranteed not to exceed the value in Section 03-60-00 of Detail Specification ***, Revision *** including assumed changes to a new United Airlines
configuration, plus one percent. 
  

	4	AIRCRAFT CONFIGURATION 

  

	4.1	The guarantees contained in this Attachment are based on the Aircraft configuration as defined in *** of the Detail Specification *** (hereinafter referred to as the
Detail Specification) including assumed changes to a new United Airlines configuration. Appropriate adjustment shall be made for changes in such Detail Specification approved by the Customer and Boeing or otherwise allowed by the Purchase Agreement
which cause changes to the flight performance and/or weight and balance of the Aircraft. Such adjustment shall be accounted for by Boeing in its evidence of compliance with the guarantees. 

 

	4.2	The guarantee payloads of Paragraph 2.7.1, 2.7.2, and 2.7.3 and the specified payloads of Paragraph 2.7.4, 2.7.5, and 2.7.6 block fuel guarantees will be adjusted by
Boeing for the effect of the following on OEW and the Manufacturer’s Empty Weight guarantee of Section 3 will be adjusted by Boeing for the following in its evidence of compliance with the guarantees: 

Changes to the Detail Specification or any other changes mutually agreed upon between the Customer and Boeing or otherwise allowed by the
Purchase Agreement. 
 The difference between the component weight allowances given in Appendix IV of the Detail Specification
and the actual weights. 
  

	5	GUARANTEE CONDITIONS 

  

	5.1	All guaranteed performance data are based on the International Standard Atmosphere (ISA) and specified variations therefrom; altitudes are pressure altitudes.

  

	5.2	The Federal Aviation Administration (FAA) regulations referred to in this Attachment are, unless otherwise specified, the 737-900ER Certification Basis regulations
specified in the Type Certificate Data Sheet A16WE, Revision 40, dated April 27, 2007. 

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	P.A. No. 03784	  	
	AERO-B-BBA4-M12-0320C	  	SS12-0153

 Attachment to Letter Agreement 
 No. UAL-PA-03784-LA-1207868 
 *** 
 Page 22 
  
  

	5.3	In the event a change is made to any law, governmental regulation or requirement, or in the interpretation of any such law, governmental regulation or requirement that
affects the certification basis for the Aircraft as described in Paragraph 5.2, and as a result thereof, a change is made to the configuration and/or the performance of the Aircraft in order to obtain certification, the guarantees set forth in this
Attachment shall be appropriately modified to reflect any such change. 

  

	5.4	The takeoff and landing guarantees, and the takeoff portion of the mission guarantees are based on hard surface, level and dry runways with no wind or obstacles, no
clearway or stopway, *** mph tires, with Category P brakes and anti-skid operative, and with the Aircraft center of gravity at the most forward limit unless otherwise specified. The takeoff performance is based on no engine bleed for air
conditioning or thermal anti-icing and ***. Unbalanced field length calculations and the improved climb performance procedure will be used for takeoff as required. The landing performance is based on the use of automatic spoilers.

  

	5.5	The enroute one-engine-inoperative altitude guarantee is based on engine bleed for air conditioning with one pack operating. No engine bleed for thermal anti-icing is
provided unless otherwise specified. The APU is turned off unless otherwise specified. 

  

	5.6	The speed, altitude capability, and cruise range guarantees, and the climb, cruise and descent portions of the mission guarantees include allowances for normal
power extraction and engine bleed for normal operation of the air conditioning system. Normal electrical power extraction shall be defined as not less than a *** kilowatts total electrical load. Normal operation of the air conditioning system shall
be defined as pack switches in the “Auto” position, the temperature control switches in the “Auto” position that results in a nominal cabin temperature of ***°F, and all air conditioning systems operating normally. This
operation allows a maximum cabin pressure differential of *** pounds per square inch at higher altitudes, with a nominal Aircraft cabin ventilation rate of *** cubic feet per minute including passenger cabin recirculation (nominal recirculation is
*** percent). ***. 

  

	5.7	The speed, altitude capability, and cruise range guarantees, and the climb, cruise and descent portions of the mission guarantees are based on an Aircraft center
of gravity location of *** percent of the mean aerodynamic chord. 

  

	5.8	Performance, where applicable, is based on a fuel Lower Heating Value (LHV) of *** BTU per pound and a fuel density of *** pounds per U.S. gallon.

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	P.A. No. 03784	  	
	AERO-B-BBA4-M12-0320C	  	SS12-0153

 Attachment to Letter Agreement 
 No. UAL-PA-03784-LA-1207868 
 *** 
 Page 23 
  

	6	GUARANTEE COMPLIANCE 

  

	6.1	Compliance with the guarantees of Sections 2 and 3 shall be based on the conditions specified in those sections, the Aircraft configuration of Section 4 and
the guarantee conditions of Section 5. 

  

	6.2	Compliance with the takeoff, landing, and enroute one-engine inoperative altitude guarantees, the buffet onset portion of the altitude capability guarantee, and the
takeoff portion of the mission guarantee shall be based on the FAA approved Airplane Flight Manual for the Model 737-900ER. 

  

	6.3	Compliance with the speed, altitude capability, and cruise range guarantees, and the climb, cruise and descent portions of the mission guarantees shall be established
by calculations based on flight test data obtained from an aircraft in a configuration similar to that defined by the Detail Specification. 

  

	6.4	The OEW used for compliance with the mission guarantees shall be the actual MEW plus the Standard and Operational Items Allowance in Paragraph 03-60-00 of the Detail
Specification. 

  

	6.5	Compliance with the Manufacturer’s Empty Weight guarantee shall be based on information in the “Weight and Balance Control and Loading Manual—Aircraft
Report.” 

  

	6.6	The data derived from tests shall be adjusted as required by conventional methods of correction, interpolation or extrapolation in accordance with established
engineering practices to show compliance with these guarantees. 

  

	6.7	Compliance shall be based on the performance of the airframe and engines in combination, and shall not be contingent on the engine meeting its manufacturer’s
performance specification. 

  

	7	EXCLUSIVE GUARANTEES 

 The
only performance guarantees applicable to the Aircraft are those set forth in this Attachment. 

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	P.A. No. 03784	  	
	AERO-B-BBA4-M12-0320C	  	SS12-0153

 Attachment to Letter Agreement 
 No. UAL-PA-03784-LA-1207868 
 *** 
 Page 1 
 MODEL 737-900ER *** PERFORMANCE GUARANTEES 

FOR UNITED AIR LINES, INC. 
  

					
	SECTION	  	                    CONTENTS	  	 
			
	1	  	AIRCRAFT MODEL APPLICABILITY	  	
			
	2	  	FLIGHT PERFORMANCE	  	
			
	3	  	MANUFACTURER’S EMPTY WEIGHT	  	
			
	4	  	AIRCRAFT CONFIGURATION	  	
			
	5	  	GUARANTEE CONDITIONS	  	
			
	6	  	GUARANTEE COMPLIANCE	  	
			
	7	  	EXCLUSIVE GUARANTEES	  	

 BOEING / UNITED AIR LINES, INC. PROPRIETARY 

 

			
	P.A. No. 03784	  	
	AERO-B-BBA4-M12-0320C	  	SS12-0153

 Attachment to Letter Agreement 
 No. UAL-PA-03784-LA-1207868 
 *** 
 Page 2 
  
  

	1	AIRCRAFT MODEL APPLICABILITY 

 The guarantees contained in this Attachment (the “Performance Guarantees”) are applicable to the 737-900ER Aircraft with winglets and a maximum takeoff weight of *** pounds, a maximum landing
weight of *** pounds, and a maximum zero fuel weight of *** pounds, and equipped with Boeing furnished ***. 
  

	2	FLIGHT PERFORMANCE 

  

	2.1	Takeoff 

  

	2.1.1	The FAA approved takeoff field length at a gross weight at the start of the ground roll of *** pounds, at a temperature of ***°F, at a sea level altitude,
with an alternate forward center of gravity limit of *** percent of the mean aerodynamic chord, and using maximum takeoff thrust, shall not be more than the following guarantee value: 

GUARANTEE:    *** Feet 
  

	2.1.2	The FAA approved takeoff gross weight at the start of ground roll, at a temperature of ***°F, at an altitude of *** feet, from a *** foot runway, with an
alternate forward center of gravity limit of *** percent of the mean aerodynamic chord, and using maximum takeoff thrust, shall not be less than the following guarantee value: 

GUARANTEE:    *** Pounds 
  

	2.2	Landing 

  

	2.2.1	The FAA approved landing field length at a gross weight of *** pounds and at a *** altitude, shall not be more than the following guarantee value:

 GUARANTEE:    *** Feet 

 

	2.2.2	The FAA approved landing field length at a gross weight of *** pounds and at an altitude of *** feet, shall not be more than the following guarantee value:

 GUARANTEE:    *** Feet 

 

	2.3	Speed 

 The level flight
speed at a gross weight of *** pounds, on an ISA+10°C day, at an altitude of *** feet and using not more than maximum cruise thrust, shall not be less than the following guarantee value: 

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	P.A. No. 03784	  	
	AERO-B-BBA4-M12-0320C	  	SS12-0153

 Attachment to Letter Agreement 
 No. UAL-PA-03784-LA-1207868 
 *** 
 Page 3 
  
  

									
		  	 NOMINAL:
	  	*** KTAS	  		  	
		  	 TOLERANCE:
	  	*** KTAS	  		  	
		  	 GUARANTEE:
	  	*** KTAS	  		  	

  

	2.4	Altitude Capability—All Engines Operating 

 The altitude capability at a gross weight of *** pounds, on an ISA+10°C day, at *** Mach number, and satisfying the conditions defined below, shall not be less than the following guarantee value:

 GUARANTEE:    *** Feet 
 Conditions: 
  

	 	1)	The Aircraft shall be capable of maintaining level cruising flight using not more than maximum cruise thrust. 

 

	 	2)	The Aircraft shall be capable of maintaining a rate of climb of *** feet per minute using not more than maximum climb thrust. 

 

	 	3)	The Aircraft shall be capable of at least a *** g maneuver load factor at buffet onset. 

 

	2.5	Enroute One-Engine-Inoperative Altitude 

 The FAA approved enroute one-engine-inoperative altitude at which the available gross climb gradient equals *** percent at a gross weight of *** pounds on an ISA+10°C day using not more than maximum
continuous thrust, shall not be less than the following guarantee value: 
 GUARANTEE:    *** Feet

  

	2.6	Cruise Range 

 The still
air range at an initial cruise altitude of *** feet on a standard day at *** Mach number, starting at a gross weight of *** pounds and consuming *** pounds of fuel, and using not more than maximum cruise thrust (except maximum climb thrust may be
used during a step climb) and using the conditions and operating rules defined below, shall not be less than the following guarantee value: 
  

									
		  	 NOMINAL:
	  	*** Nautical Miles	  		  	
		  	 TOLERANCE:
	  	*** Nautical Miles	  		  	
		  	 GUARANTEE:
	  	*** Nautical Miles	  		  	

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	P.A. No. 03784	  	
	AERO-B-BBA4-M12-0320C	  	SS12-0153

 Attachment to Letter Agreement 
 No. UAL-PA-03784-LA-1207868 
 *** 
 Page 4 
  

Conditions and operating rules: 
 A step climb or multiple step climbs of *** feet altitude may be used when beneficial to minimize fuel burn. 
  

	2.7	Mission 

  

	2.7.1	Mission Payload 

 The
payload for a stage length of *** nautical miles in still air (equivalent to a distance of *** nautical miles with a *** knot headwind, representative of a *** to *** route) using the conditions and operating rules defined below, shall not be less
than the following guarantee value: 
  

									
		 	 NOMINAL:
	  	*** Pounds	  		  	
		 	 TOLERANCE:
	  	*** Pounds	  		  	
		 	 GUARANTEE:
	  	*** Pounds	  		  	

 Conditions and operating rules: 

 

											
		 	Stage Length:	 	The stage length is defined as the sum of the distances for climb, cruise, and descent.
			
		 	Takeoff:	 	The airport altitude is *** feet.
			
		 		 	 The airport temperature is ***°F.

			
		 		 	 The runway length is *** feet.

			
		 		 	 The following obstacle definition is based on a straight out

departure where obstacle height and distance are specified
 with reference to the liftoff end of the runway:

						
		 		 		  		  	Distance	  	Height
		 		 		  	 1.
	  	*** feet	  	*** feet
		 		 		  	 2.
	  	*** feet	  	*** feet
		 		 		  	 3.
	  	*** feet	  	*** feet
		 		 		  	 4.
	  	*** feet	  	*** feet
		 		 		  	 5.
	  	*** feet	  	*** feet
		 		 		  	 6.
	  	*** feet	  	*** feet
			
		 		 	Takeoff performance is based on an alternate forward center of gravity limit of *** percent of the mean aerodynamic chord.

  

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	P.A. No. 03784	  	
	AERO-B-BBA4-M12-0320C	  	SS12-0153

 Attachment to Letter Agreement 
 No. UAL-PA-03784-LA-1207868 
 *** 
 Page 5 
  
  

					
		 		  	Maximum takeoff thrust is used for the takeoff.
			
		 		  	The takeoff gross weight shall conform to FAA Regulations.
			
		 		  	
			
		 	 Climbout

Maneuver:
	  	Following the takeoff to *** feet, the Aircraft accelerates to *** KCAS while climbing to *** feet above the departure airport altitude and retracting flaps and landing
gear.
			
		 	 Climb:
	  	The Aircraft climbs from *** feet above the departure airport altitude to *** feet altitude at *** KCAS.
			
		 		  	The Aircraft then accelerates at a rate of climb of *** feet per minute to the recommended climb speed for minimum block fuel.
			
		 		  	The climb continues at the recommended climb speed for minimum block fuel until *** Mach number is reached.
			
		 		  	The climb continues at *** Mach number to the initial cruise altitude.
			
		 		  	The temperature is standard day during climb.
			
		 		  	Maximum climb thrust is used during climb.
			
		 	 Cruise:
	  	The Aircraft cruises at *** Mach number.
			
		 		  	The initial cruise altitude is *** feet.
			
		 		  	A step climb or multiple step climbs of *** feet altitude may be used when beneficial to minimize fuel burn.
			
		 		  	The temperature is standard day during cruise.
			
		 		  	The cruise thrust is not to exceed maximum cruise thrust except during a step climb when maximum climb thrust may be used.
			
		 	 Descent:
	  	The Aircraft descends from the final cruise altitude at *** KCAS to an altitude of *** feet above the destination airport altitude.

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	P.A. No. 03784	  	
	AERO-B-BBA4-M12-0320C	  	SS12-0153

 Attachment to Letter Agreement 
 No. UAL-PA-03784-LA-1207868 
 *** 
 Page 6 
  
  

									
		 		  	Throughout the descent, the cabin pressure will be controlled to a maximum rate of descent equivalent to *** feet per minute at sea level.
			
		 		  	 The temperature is standard day during descent.

			
		 	 Approach

and Landing
 Maneuver:
	  	The Aircraft decelerates to the final approach speed while extending landing gear and flaps, then descends and lands.
			
		 		  	The destination airport altitude is *** feet.
			
		 	 Fixed

Allowances:
	  	For the purpose of this guarantee and for the purpose of establishing compliance with this guarantee, the following shall be used as fixed quantities and
allowances:
			
		 		  	 Taxi-Out:

		 		  		  	        Fuel	  	                *** Pounds
			
		 		  	 Takeoff and Climbout Maneuver:

		 		  		  	        Fuel	  	                *** Pounds
			
		 		  	 Approach and Landing Maneuver:

		 		  		  	        Fuel	  	                *** Pounds
			
		 		  	 Taxi-In (shall be consumed from the reserve fuel):

		 		  		  	        Fuel	  	                *** Pounds
			
		 		  	 Usable reserve fuel remaining upon completion of the approach and landing maneuver: ***
Pounds

			
		 		  	For information purposes, the reserve fuel is based on a standard day temperature and a contingency fuel allowance equivalent to *** minutes of continued cruise
starting at the end of the mission cruise and at *** Mach number.

  

	2.7.2	Mission Payload 

 The
payload for a stage length of *** nautical miles in still air (equivalent to a distance of *** nautical miles with a *** knot headwind, representative of a *** to *** route) using the conditions and operating rules defined below, shall not be less
than the following guarantee value: 

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	P.A. No. 03784	  	
	AERO-B-BBA4-M12-0320C	  	SS12-0153

 Attachment to Letter Agreement 
 No. UAL-PA-03784-LA-1207868 
 *** 
 Page 7 
  
  

									
		 	NOMINAL:	  	*** Pounds	  		  	
		 	TOLERANCE:	  	*** Pounds	  		  	
		 	GUARANTEE:	  	*** Pounds	  		  	

 Conditions and operating rules: 

 

					
		 	Stage Length:	  	The stage length is defined as the sum of the distances for climb, cruise, and descent.
			
		 	Takeoff:	  	The airport altitude is *** feet.
			
		 		  	The takeoff gross weight is *** the airport conditions.
			
		 		  	Maximum takeoff thrust is used for the takeoff.
			
		 		  	The takeoff gross weight shall conform to FAA Regulations.
			
		 	Climbout Maneuver:	  	Following the takeoff to *** feet, the Aircraft accelerates to *** KCAS while climbing to *** feet above the departure airport altitude and retracting flaps and landing
gear.
			
		 	Climb:	  	The Aircraft climbs from *** feet above the departure airport altitude to *** feet altitude at *** KCAS.
			
		 		  	The Aircraft then accelerates at a rate of climb of *** feet per minute to the recommended climb speed for minimum block fuel.
			
		 		  	The climb continues at the recommended climb speed for minimum block fuel until *** Mach number is reached.
			
		 		  	The climb continues at the recommended climb speed for minimum block fuel until the initial cruise altitude is reached.
			
		 		  	The temperature is ISA+5°C during climb. Maximum climb thrust is used during climb.
			
		 	Cruise:	  	The Aircraft cruises at *** Mach number.
			
		 		  	The initial cruise altitude is *** feet.

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	P.A. No. 03784	  	
	AERO-B-BBA4-M12-0320C	  	SS12-0153

 Attachment to Letter Agreement 
 No. UAL-PA-03784-LA-1207868 
 *** 
 Page 8 
  
  

					
		 		 	A step climb or multiple step climbs of *** feet altitude may be used when beneficial to minimize fuel burn.
			
		 		 	The temperature is ISA+5°C during cruise.
			
		 		 	The cruise thrust is not to exceed maximum cruise thrust except during a step climb when maximum climb thrust may be used.
			
		 	Descent:	 	The Aircraft descends from the final cruise altitude at *** KCAS to an altitude of *** feet above the destination airport altitude.
			
		 		 	Throughout the descent, the cabin pressure will be controlled to a maximum rate of descent equivalent to *** feet per minute at sea level.
			
		 		 	The temperature is ISA+5°C during descent.
			
		 	 Approach

and Landing
 Maneuver:
	 	The Aircraft decelerates to the final approach speed while extending landing gear and flaps, then descends and lands.
			
		 		 	The destination airport altitude is *** feet.
			
		 	 Fixed

Allowances:    
	 	For the purpose of this guarantee and for the purpose of establishing compliance with this guarantee, the following shall be used as fixed quantities and
allowances:
			
		 		 	Taxi-Out:
		 		 	 Fuel                 *** Pounds

			
		 		 	Takeoff and Climbout Maneuver:
		 		 	 Fuel                 *** Pounds

			
		 		 	Approach and Landing Maneuver:
		 		 	 Fuel                 *** Pounds

			
		 		 	Taxi-In (shall be consumed from the reserve fuel):
		 		 	 Fuel                 *** Pounds

			
		 		 	Usable reserve fuel remaining upon completion of the approach and landing maneuver: *** Pounds

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	P.A. No. 03784	  	
	AERO-B-BBA4-M12-0320C	  	SS12-0153

 Attachment to Letter Agreement 
 No. UAL-PA-03784-LA-1207868 
 *** 
 Page 9 
  
  

					
		  		  	For information purposes, the reserve fuel is based on a standard day temperature and a contingency fuel allowance equivalent to *** minutes of continued cruise starting at the
end of the mission and at a *** Mach number.

  

	2.7.3	Mission Payload 

 The
payload for a stage length of *** nautical miles in still air (equivalent to a distance of *** nautical miles with a *** knot tailwind, representative of a *** to *** route) using the conditions and operating rules defined below, shall not be less
than the following guarantee value: 
  

									
		 	NOMINAL:	  	*** Pounds	  		  	
		 	TOLERANCE:	  	*** Pounds	  		  	
		 	GUARANTEE:	  	*** Pounds	  		  	

 Conditions and operating rules: 

 

					
		 	Stage Length:	  	The stage length is defined as the sum of the distances for climb, cruise, and descent.
			
		 	Takeoff:	  	The airport altitude is *** feet.
			
		 		  	 The airport temperature is ***°F.
  

The runway length is *** feet.

			
		 		  	The runway slope is *** percent downhill.
			
		 		  	Takeoff performance is based on an alternate forward center of gravity limit of *** percent of the mean aerodynamic chord.
			
		 		  	Maximum takeoff thrust is used for the takeoff.
			
		 		  	The takeoff gross weight shall conform to FAA Regulations.
			
		 	Climbout Maneuver:	  	Following the takeoff to *** feet, the Aircraft accelerates to *** KCAS while climbing to *** feet above the departure airport altitude and retracting flaps and landing
gear.
			
		 	Climb:	  	The Aircraft climbs from *** feet above the departure airport altitude to *** feet altitude at *** KCAS.

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	P.A. No. 03784	  	
	AERO-B-BBA4-M12-0320C	  	SS12-0153

 Attachment to Letter Agreement 
 No. UAL-PA-03784-LA-1207868 
 *** 
 Page 10 
  
  

					
		  		  	The Aircraft then accelerates at a rate of climb of *** feet per minute to the recommended climb speed for minimum block fuel.
			
		  		  	The climb continues at the recommended climb speed for minimum block fuel until *** Mach number is reached.
			
		  		  	The climb continues at *** Mach number to the initial cruise altitude.
			
		  		  	The temperature is ISA+10°C during climb.
			
		  		  	Maximum climb thrust is used during climb.
			
		  	Cruise:	  	The Aircraft cruises at *** Mach number.
			
		  		  	The initial cruise altitude is *** feet.
			
		  		  	A step climb or multiple step climbs of *** feet altitude may be used when beneficial to minimize fuel burn.
			
		  		  	The temperature is ISA+10°C during cruise.
			
		  		  	The cruise thrust is not to exceed maximum cruise thrust except during a step climb when maximum climb thrust may be used.
			
		  	Descent:	  	The Aircraft descends from the final cruise altitude at *** KCAS to an altitude of *** feet above the destination airport altitude.
			
		  		  	Throughout the descent, the cabin pressure will be controlled to a maximum rate of descent equivalent to *** feet per minute at sea level.
			
		  		  	 The temperature is ISA+10°C during descent.

			
		  	 Approach

and Landing
 Maneuver:
	  	The Aircraft decelerates to the final approach speed while extending landing gear and flaps, then descends and lands.
			
		  		  	The destination airport altitude is *** feet.
		  	Fixed	  	
			
		  	Allowances:	  	For the purpose of this guarantee and for the purpose of establishing compliance with this guarantee, the following shall be used as fixed quantities and
allowances:

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	P.A. No. 03784	  	
	AERO-B-BBA4-M12-0320C	  	SS12-0153

 Attachment to Letter Agreement 
 No. UAL-PA-03784-LA-1207868 
 *** 
 Page 11 
  

					
			
		 		  	 Taxi-Out:

		 		  	        Fuel     *** Pounds
			
		 		  	 Takeoff and Climbout Maneuver:

		 		  	        Fuel     *** Pounds
			
		 		  	 Approach and Landing Maneuver:

		 		  	        Fuel     *** Pounds
			
		 		  	 Taxi-In (shall be consumed from the reserve fuel):

		 		  	        Fuel     *** Pounds
			
		 		  	Usable reserve fuel remaining upon completion of the approach and landing maneuver: *** Pounds
			
		 		  	For information purposes, the reserve fuel is based on a standard day temperature and a contingency fuel allowance equivalent to *** minutes of continued cruise starting at the
end of the mission cruise and at *** Mach number.

  

	2.7.4	Mission Block Fuel 

 The
block fuel for a stage length of *** nautical miles in still air with a *** pound payload using the conditions and operating rules defined below, shall not be more than the following guarantee value: 

 

											
		 		 	 NOMINAL:
	 	*** Pounds	 		 	
		 		 	 TOLERANCE:
	 	*** Pounds	 		 	
		 		 	 GUARANTEE:
	 	*** Pounds	 		 	

 Conditions and operating rules: 

 

					
		  	Stage Length:	  	The stage length is defined as the sum of the distances for climb, cruise, and descent.
			
		  	Block Fuel:    	  	The block fuel is defined as the sum of the fuel used for taxi-out, takeoff and climbout maneuver, climb, cruise, descent, approach and landing maneuver, and
taxi-in.
			
		  	Takeoff:	  	The airport altitude is ***
			
		  		  	The takeoff gross weight is *** the airport conditions.

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	P.A. No. 03784	  	
	AERO-B-BBA4-M12-0320C	  	SS12-0153

 Attachment to Letter Agreement 
 No. UAL-PA-03784-LA-1207868 
 *** 
 Page 12 
  

					
		 		  	Maximum takeoff thrust is used for the takeoff.
			
		 		  	The takeoff gross weight shall conform to FAA Regulations.
			
		 	 Climbout

Maneuver:    
	  	Following the takeoff to *** feet, the Aircraft accelerates to *** KCAS while climbing to *** feet above the departure airport altitude and retracting flaps and landing
gear.
			
		 	 Climb:
	  	The Aircraft climbs from *** feet above the departure airport altitude to *** feet altitude at *** KCAS.
			
		 		  	The Aircraft then accelerates at a rate of climb of *** feet per minute to the recommended climb speed for minimum block fuel.
			
		 		  	The climb continues at the recommended climb speed for minimum block fuel until *** Mach number is reached.
			
		 		  	The climb continues at *** Mach number to the initial cruise altitude.
			
		 		  	The temperature is standard day during climb. Maximum climb thrust is used during climb.
			
		 	 Cruise:
	  	The Aircraft cruises at *** Mach number.
			
		 		  	The initial cruise altitude is *** feet.
			
		 		  	A step climb or multiple step climbs of *** feet altitude may be used when beneficial to minimize fuel burn.
			
		 		  	The temperature is standard day during cruise.
			
		 		  	The cruise thrust is not to exceed maximum cruise thrust except during a step climb when maximum climb thrust may be used.
			
		 	 Descent:
	  	The Aircraft descends from the final cruise altitude at *** KCAS to an altitude of *** feet above the destination airport altitude.

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	P.A. No. 03784	  	
	AERO-B-BBA4-M12-0320C	  	SS12-0153

 Attachment to Letter Agreement 
 No. UAL-PA-03784-LA-1207868 
 *** 
 Page 13 
  
  

					
		 		  	Throughout the descent, the cabin pressure is controlled to a maximum rate of descent equivalent to *** feet per minute at sea level.
			
		 		  	The temperature is standard day during descent.
			
		 	 Approach

and Landing
 Maneuver:
	  	The Aircraft decelerates to the final approach speed while extending landing gear and flaps, then descends and lands.
			
		 		  	The destination airport altitude is a *** airport.
			
		 	 Fixed

Allowances:    
	  	For the purpose of this guarantee and for the purpose of establishing compliance with this guarantee, the following shall be used as fixed quantities and
allowances:
			
		 		  	 Taxi-Out:

		 		  	        Fuel         *** Pounds
			
		 		  	 Takeoff and Climbout Maneuver:

		 		  	        Fuel         *** Pounds
			
		 		  	 Approach and Landing Maneuver:

		 		  	        Fuel         *** Pounds
			
		 		  	 Taxi-In (shall be consumed from the reserve fuel):

		 		  	        Fuel         *** Pounds
			
		 		  	Usable reserve fuel remaining upon completion of the approach and landing maneuver: *** Pounds
			
		 		  	For information purposes, the reserve fuel is based on a standard day temperature and a contingency fuel allowance equivalent to *** minutes of continued cruise starting at the end
of the mission cruise and at *** Mach number

  

	2.7.5	Mission Block Fuel 

 The
block fuel for a stage length of *** nautical miles in still air with a *** pound payload using the conditions and operating rules defined below, shall not be more than the following guarantee value: 

 

											
		 		 	 NOMINAL:
	 	*** Pounds	 		 	
		 		 	 TOLERANCE:
	 	*** Pounds	 		 	
		 		 	 GUARANTEE:
	 	*** Pounds	 		 	

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	P.A. No. 03784	  	
	AERO-B-BBA4-M12-0320C	  	SS12-0153

 Attachment to Letter Agreement 
 No. UAL-PA-03784-LA-1207868 
 *** 
 Page 14 
  
 Conditions and operating rules: 
  

					
			
		 	Stage Length:	  	The stage length is defined as the sum of the distances for climb, cruise, and descent.
			
		 	 Block Fuel:    
	  	The block fuel is defined as the sum of the fuel used for taxi-out, takeoff and climbout maneuver, climb, cruise, descent, approach and landing maneuver, and
taxi-in.
			
		 	 Takeoff:
	  	The airport altitude is ***
			
		 		  	The takeoff gross weight is *** the airport conditions.
			
		 		  	Maximum takeoff thrust is used for the takeoff.
			
		 		  	The takeoff gross weight shall conform to FAA Regulations.
			
		 	 Climbout

Maneuver:
	  	Following the takeoff to *** feet, the Aircraft accelerates to *** KCAS while climbing to *** feet above the departure airport altitude and retracting flaps and landing
gear.
			
		 	 Climb:
	  	The Aircraft climbs from *** feet above the departure airport altitude to *** feet altitude at *** KCAS.
			
		 		  	The Aircraft then accelerates at a rate of climb of *** feet per minute to the recommended climb speed for minimum block fuel.
			
		 		  	The climb continues at the recommended climb speed for minimum block fuel until *** Mach number is reached.
			
		 		  	The climb continues at *** Mach number to the initial cruise altitude.
			
		 		  	The temperature is standard day during climb.
			
		 		  	Maximum climb thrust is used during climb.
			
		 	 Cruise:
	  	The Aircraft cruises at *** Mach number.
			
		 		  	The initial cruise altitude is *** feet.

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	P.A. No. 03784	  	
	AERO-B-BBA4-M12-0320C	  	SS12-0153

 Attachment to Letter Agreement 
 No. UAL-PA-03784-LA-1207868 
 *** 
 Page 15 
  
  

					
		 		 	A step climb or multiple step climbs of *** feet altitude may be used when beneficial to minimize fuel burn.
			
		 		 	The temperature is standard day during cruise.
			
		 		 	The cruise thrust is not to exceed maximum cruise thrust except during a step climb when maximum climb thrust may be used.
			
		 	 Descent:
	 	The Aircraft descends from the final cruise altitude at *** KCAS to an altitude of *** feet above the destination airport altitude.
			
		 		 	Throughout the descent, the cabin pressure is controlled to a maximum rate of descent equivalent to *** feet per minute at ***
			
		 		 	The temperature is standard day during descent.
			
		 	 Approach

and Landing
 Maneuver:
	 	The Aircraft decelerates to the final approach speed while extending landing gear and flaps, then descends and lands.
			
		 		 	The destination airport altitude is a *** airport.
			
		 	 Fixed

Allowances:    
	 	For the purpose of this guarantee and for the purpose of establishing compliance with this guarantee, the following shall be used as fixed quantities and
allowances:
			
		 		 	Taxi-Out:
		 		 	        Fuel         *** Pounds
			
		 		 	Takeoff and Climbout Maneuver:
		 		 	        Fuel         *** Pounds
			
		 		 	Approach and Landing Maneuver:
		 		 	        Fuel         *** Pounds
			
		 		 	Taxi-In (shall be consumed from the reserve fuel):
		 		 	        Fuel         *** Pounds
			
		 		 	Usable reserve fuel remaining upon completion of the approach and landing maneuver: *** Pounds

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	P.A. No. 03784	  	
	AERO-B-BBA4-M12-0320C	  	SS12-0153

 Attachment to Letter Agreement 
 No. UAL-PA-03784-LA-1207868 
 *** 
 Page 16 
  
  

					
		 		  	For information purposes, the reserve fuel is based on a standard day temperature and a contingency fuel allowance equivalent to *** minutes of continued cruise starting at the end
of the mission cruise and at *** Mach number

 2.7.6 Mission Block Fuel 
 The block fuel for a stage length of *** nautical miles in still air (equivalent to a distance of *** nautical miles with a *** knot headwind, representative of a *** to *** route) with a *** pound
payload using the conditions and operating rules defined below, shall not be more than the following guarantee value: 
  

											
		 		 	 NOMINAL:
	 	*** Pounds	 		 	
		 		 	 TOLERANCE:
	 	*** Pounds	 		 	
		 		 	 GUARANTEE:
	 	*** Pounds	 		 	

 Conditions and operating rules: 

 

					
		 	 Stage Length:
	  	The stage length is defined as the sum of the distances for climb, cruise, and descent.
			
		 	 Block Fuel:
	  	The block fuel is defined as the sum of the fuel used for taxi-out, takeoff and climbout maneuver, climb, cruise, descent, approach and landing maneuver, and
taxi-in.
			
		 	 Takeoff:
	  	The airport altitude is *** feet.
			
		 		  	The takeoff gross weight is *** the airport conditions.
			
		 		  	Maximum takeoff thrust is used for the takeoff.
			
		 		  	The takeoff gross weight shall conform to FAA Regulations.
			
		 	 Climbout

Maneuver:    
	  	Following the takeoff to *** feet, the Aircraft accelerates to *** KCAS while climbing to *** feet above the departure airport altitude and retracting flaps and landing
gear.
			
		 	 Climb:
	  	The Aircraft climbs from *** feet above the departure airport altitude to *** feet altitude at *** KCAS.
			
		 		  	The Aircraft then accelerates at a rate of climb of *** feet per minute to the recommended climb speed for minimum block fuel.

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	P.A. No. 03784	  	
	AERO-B-BBA4-M12-0320C	  	SS12-0153

 Attachment to Letter Agreement 
 No. UAL-PA-03784-LA-1207868 
 *** 
 Page 17 
  

					
		 		  	The climb continues at the recommended climb speed for minimum block fuel until *** Mach number is reached.
			
		 		  	The climb continues at *** Mach number to the initial cruise altitude.
			
		 		  	The temperature is standard day during climb. Maximum climb thrust is used during climb.
			
		 	 Cruise:
	  	The Aircraft cruises at *** Mach number.
			
		 		  	The initial cruise altitude is *** feet.
			
		 		  	A step climb or multiple step climbs of *** feet altitude may be used when beneficial to minimize fuel burn.
			
		 		  	The temperature is standard day during cruise.
			
		 		  	The cruise thrust is not to exceed maximum cruise thrust except during a step climb when maximum climb thrust may be used.
			
		 	 Descent:
	  	The Aircraft descends from the final cruise altitude at *** KCAS to an altitude of *** feet above the destination airport altitude.
			
		 		  	Throughout the descent, the cabin pressure is controlled to a maximum rate of descent equivalent to *** feet per minute at sea level.
			
		 		  	The temperature is standard day during descent.
			
		 	 Approachand

Landing
 Maneuver:
	  	The Aircraft decelerates to the final approach speed while extending landing gear and flaps, then descends and lands.
			
		 		  	The destination airport altitude is a *** airport.
			
		 	 Fixed

Allowances:    
	  	For the purpose of this guarantee and for the purpose of establishing compliance with this guarantee, the following shall be used as fixed quantities and
allowances:

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	P.A. No. 03784	  	
	AERO-B-BBA4-M12-0320C	  	SS12-0153

 Attachment to Letter Agreement 
 No. UAL-PA-03784-LA-1207868 
 *** 
 Page 18 
  

					
		 		  	 Taxi-Out:

		 		  	        Fuel        *** Pounds
			
		 		  	 Takeoff and Climbout Maneuver:

		 		  	        Fuel        *** Pounds
			
		 		  	 Approach and Landing Maneuver:

		 		  	        Fuel        *** Pounds
			
		 		  	Taxi-In (shall be consumed from the reserve fuel):
		 		  	        Fuel        *** Pounds
			
		 		  	Usable reserve fuel remaining upon completion of the approach and landing maneuver: *** Pounds
			
		 		  	For information purposes, the reserve fuel is based on a standard day temperature and a contingency fuel allowance equivalent to *** minutes of continued cruise starting at the
end of the mission cruise and at *** Mach number

  

	2.7.7	Operational Empty Weight Basis 

 The Operational Empty Weight (OEW) derived in Paragraph 2.7.8 is the basis for the mission guarantees of Paragraphs 2.7.1, 2.7.2, 2.7.3, 2.7.4, 2.7.5, and 2.7.6. 

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	P.A. No. 03784	  	
	AERO-B-BBA4-M12-0320C	  	SS12-0153

 Attachment to Letter Agreement 
 No. UAL-PA-03784-LA-1207868 
 *** 
 Page 19 
  

	2.7.8	737-900ER Weight Summary—United Air Lines 

  

					
	 	  	 Pounds
	 
	 Standard Model Specification MEW
	  	 	***	  
		
	 Configuration Specification D019A001, Rev. M, Dated January 30, 2009
	  			
		
	 *** Tourist Class Passengers
	  			
		
	 CFM56-7 Engines
	  			
		
	 *** lb (*** kg) Maximum Taxi Weight
	  			
		
	 *** U.S. Gallons (*** liters) Fuel Capacity
	  			
		
	 ***
	  			
		
	 ***
	  	 	***	  
		
	 ***
	  			
		
	 ***
	  	 	***	  
		
	 ***
	  	 	***	  
		
	 ***
	  	 	***	  
		
	 ***
	  	 	***	  
		
	 ***
	  	 	***	  
		
	 ***
	  	 	***	  
		
	 ***
	  	 	***	  
		
	 ***
	  	 	***	  
		
	 ***
	  	 	***	  
		
	 ***
	  	 	***	  
		
	 ***
	  	 	***	  
		
	 United Air Lines Manufacturer’s Empty Weight (MEW)
	  	 	***	  
		
	 Standard and Operational Items Allowance (Paragraph 2.7.9)
	  	 	***	  
		
	 United Air Lines Operational Empty Weight (OEW)
	  	 	***	  
		
	 ***
	  	 	***	  
		
	 United Air Lines Post-Delivery Operational Empty Weight (OEW)
	  	 	***	  

  

													
	 	  	Quantity	 	 	Pounds	 	 	Pounds	 
				
	 * Seat Weight Included
	  				 				 	 	*	** 
				
	 ***
	  	 	*	** 	 	 	*	** 	 			
				
	 ***
	  	 	*	** 	 	 	*	** 	 			
				
	 ***
	  	 	*	** 	 	 	*	** 	 			

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	P.A. No. 03784	  	
	AERO-B-BBA4-M12-0320C	  	SS12-0153

 Attachment to Letter Agreement 
 No. UAL-PA-03784-LA-1207868 
 *** 
 Page 20 
  

	2.7.9	Standard and Operational Items Allowance 

  

																	
	 	  	Qty	 	  	Pounds	 	  	Pounds	 	  	Pounds	 
	 Standard Items Allowance
	  				  				  				  	 	***	  
					
	 Unusable Fuel
	  				  				  	 	***	  	  			
	 Oil
	  				  				  	 	***	  	  			
	 Oxygen Equipment
	  				  				  	 	***	  	  			
	 Passenger Portable
	  	 	***	  	  	 	***	  	  				  			
	 Crew masks
	  	 	***	  	  	 	***	  	  				  			
	 Miscellaneous Equipment
	  				  				  	 	***	  	  			
	 Crash Axe
	  	 	***	  	  	 	***	  	  				  			
	 Megaphones
	  	 	***	  	  	 	***	  	  				  			
	 Flashlights
	  	 	***	  	  	 	***	  	  				  			
	 Smoke Hoods
	  	 	***	  	  	 	***	  	  				  			
	 Galley Structure & Fixed Inserts
	  				  				  	 	***	  	  			
					
	 Operational Items Allowance
	  				  				  				  	 	***	  
					
	 Crew and Crew Baggage
	  				  				  	 	***	  	  			
	 Flight Crew
	  	 	***	  	  	 	***	  	  				  			
	 Cabin Crew
	  	 	***	  	  	 	***	  	  				  			
	 Baggage
	  	 	***	  	  	 	***	  	  				  			
	 Catering Allowance & Removable Inserts
	  				  				  	 	***	  	  			
	 First Class
	  	 	***	  	  	 	***	  	  				  			
	 Business Class
	  	 	***	  	  	 	***	  	  				  			
	 Economy Class
	  	 	***	  	  	 	***	  	  				  			
	 Passenger Service Equipment
	  	 	***	  	  				  	 	***	  	  			
	 Potable Water—60 USG
	  				  				  	 	***	  	  			
	 Waste Tank Disinfectant
	  				  				  	 	***	  	  			
	 Emergency Equipment
	  				  				  	 	***	  	  			
	 Escape Slides – Forward
	  	 	***	  	  	 	***	  	  				  			
	 Escape Slides—Aft
	  	 	***	  	  	 	***	  	  				  			
	 Life Vests—Crew and Passengers
	  	 	***	  	  	 	***	  	  				  			
	 Life Rafts
	  	 	***	  	  	 	***	  	  				  			
	 Auto Radio Beacon (ELT)
	  	 	***	  	  	 	***	  	  				  			
					
	 Total Standard and Operational Items Allowance
	  				  				  				  	 	***	  

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	P.A. No. 03784	  	
	AERO-B-BBA4-M12-0320C	  	SS12-0153

 Attachment to Letter Agreement 
 No. UAL-PA-03784-LA-1207868 
 *** 
 Page 21 
  
  

	3	MANUFACTURER’S EMPTY WEIGHT 

 The Manufacturer’s Empty Weight (MEW) is guaranteed not to exceed the value in Section 03-60-00 of Detail Specification D019A001CAL39E-2, Revision B including assumed changes to a new
United Airlines configuration, plus one percent. 
  

	4	AIRCRAFT CONFIGURATION 

  

	4.1	The guarantees contained in this Attachment are based on the Aircraft configuration as defined in Revision B of the Detail Specification D019A001CAL39E-2 (hereinafter
referred to as the Detail Specification) including assumed changes to a new United Airlines configuration. Appropriate adjustment shall be made for changes in such Detail Specification approved by the Customer and Boeing or otherwise allowed by the
Purchase Agreement which cause changes to the flight performance and/or weight and balance of the Aircraft. Such adjustment shall be accounted for by Boeing in its evidence of compliance with the guarantees. 

 

	4.2	The guarantee payloads of Paragraph 2.7.1, 2.7.2, and 2.7.3 and the specified payloads of Paragraph 2.7.4, 2.7.5, and 2.7.6 block fuel guarantees will be adjusted by
Boeing for the effect of the following on OEW and the Manufacturer’s Empty Weight guarantee of Section 3 will be adjusted by Boeing for the following in its evidence of compliance with the guarantees: 

(1) Changes to the Detail Specification or any other changes mutually agreed upon between the Customer and Boeing or otherwise allowed by
the Purchase Agreement. 
 (2) The difference between the component weight allowances given in Appendix IV of the Detail
Specification and the actual weights. 
  

	5	GUARANTEE CONDITIONS 

  

	5.1	All guaranteed performance data are based on the International Standard Atmosphere (ISA) and specified variations therefrom; altitudes are pressure altitudes.

  

	5.2	The Federal Aviation Administration (FAA) regulations referred to in this Attachment are, unless otherwise specified, the 737-900ER Certification Basis
regulations specified in the Type Certificate Data Sheet A16WE, Revision 41, dated July 31, 2007. 

  

	5.3	 In the event a change is made to any law, governmental regulation or requirement, or in the interpretation of any such law, governmental
regulation or requirement 

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	P.A. No. 03784	  	
	AERO-B-BBA4-M12-0320C	  	SS12-0153

 Attachment to Letter Agreement 
 No. UAL-PA-03784-LA-1207868 
 *** 
 Page 22 
  

	 	
that affects the certification basis for the Aircraft as described in Paragraph 5.2, and as a result thereof, a change is made to the configuration and/or the performance of the Aircraft in order
to obtain certification, the guarantees set forth in this Attachment shall be appropriately modified to reflect any such change. 

  

	5.4	The takeoff and landing guarantees, and the takeoff portion of the mission guarantees are based on hard surface, level and dry runways with no wind or obstacles, no
clearway or stopway, *** mph tires, with Category P brakes and anti-skid operative, and with the Aircraft center of gravity at the most forward limit unless otherwise specified. The takeoff performance is based on no engine bleed for air
conditioning or thermal anti-icing and *** specified. Unbalanced field length calculations and the improved climb performance procedure will be used for takeoff as required. The landing performance is based on the use of automatic spoilers.

  

	5.5	The enroute one-engine-inoperative altitude guarantee is based on engine bleed for air conditioning with one pack operating. No engine bleed for thermal anti-icing is
provided unless otherwise specified. ***. 

  

	5.6	The speed, altitude capability, and cruise range guarantees, and the climb, cruise and descent portions of the mission guarantees include allowances for normal power
extraction and engine bleed for normal operation of the air conditioning system. Normal electrical power extraction shall be defined as not less than a *** kilowatts total electrical load. Normal operation of the air conditioning system shall be
defined as pack switches in the “Auto” position, the temperature control switches in the “Auto” position that results in a nominal cabin temperature of ***°F, and all air conditioning systems operating normally. This
operation allows a maximum cabin pressure differential of *** pounds per square inch at higher altitudes, with a nominal Aircraft cabin ventilation rate of *** cubic feet per minute including passenger cabin recirculation (nominal recirculation is
*** percent). ***. 

  

	5.7	The speed, altitude capability, and cruise range guarantees, and the climb, cruise and descent portions of the mission guarantees are based on an Aircraft center of
gravity location of *** percent of the mean aerodynamic chord. 

  

	5.8	Performance, where applicable, is based on a fuel Lower Heating Value (LHV) of *** BTU per pound and a fuel density of *** pounds per U.S. gallon.

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	P.A. No. 03784	  	
	AERO-B-BBA4-M12-0320C	  	SS12-0153

 Attachment to Letter Agreement 
 No. UAL-PA-03784-LA-1207868 
 *** 
 Page 23 
  
  

	6	GUARANTEE COMPLIANCE 

  

	6.1	Compliance with the guarantees of Sections 2 and 3 shall be based on the conditions specified in those sections, the Aircraft configuration of Section 4 and
the guarantee conditions of Section 5. 

  

	6.2	Compliance with the takeoff, landing, and enroute one-engine inoperative altitude guarantees, the buffet onset portion of the altitude capability guarantee, and the
takeoff portion of the mission guarantee shall be based on the FAA approved Airplane Flight Manual for the Model 737-900ER. 

  

	6.3	Compliance with the speed, altitude capability, and cruise range guarantees, and the climb, cruise and descent portions of the mission guarantees shall be established
by calculations based on flight test data obtained from an aircraft in a configuration similar to that defined by the Detail Specification. 

  

	6.4	The OEW used for compliance with the mission guarantees shall be the actual MEW plus the Standard and Operational Items Allowance in Paragraph 03-60-00 of the Detail
Specification. 

  

	6.5	Compliance with the Manufacturer’s Empty Weight guarantee shall be based on information in the “Weight and Balance Control and Loading Manual—Aircraft
Report.” 

  

	6.6	The data derived from tests shall be adjusted as required by conventional methods of correction, interpolation or extrapolation in accordance with established
engineering practices to show compliance with these guarantees. 

  

	6.7	Compliance shall be based on the performance of the airframe and engines in combination, and shall not be contingent on the engine meeting its manufacturer’s
performance specification. 

  

	7	EXCLUSIVE GUARANTEES 

 The
only performance guarantees applicable to the Aircraft are those set forth in this Attachment. 

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	P.A. No. 03784	  	
	AERO-B-BBA4-M12-0320C	  	SS12-0153

					
	 

	  	  	  	 The Boeing Company

P.O. Box 3707
 Seattle, WA
98124-2207

 UAL-PA-03784-LA-1207870 
 United Air Lines, Inc. 
 77 West Wacker Drive 

Chicago, Illinois 60601-0100 
  

			
	Subject:	  	Spare Parts Initial Provisioning
		
	Reference:	  	a) Purchase Agreement No. 03784 (Purchase Agreement) between The Boeing Company (Boeing) and United Air Lines, Inc. (Customer) relating to
Model 737-900ER aircraft (Aircraft).
		  	b) Customer Services General Terms Agreement No. 22-1 (CSGTA) between Boeing and Customer.

 This letter agreement (Letter Agreement) is entered into on the date below and amends and
supplements the CSGTA. All capitalized terms used but not defined in this Letter Agreement have the same meaning as in the CSGTA, except for “Aircraft” which will have the meaning as defined in the Purchase Agreement. 

In order to define the process by which Boeing and Customer will i) identify those Spare Parts and Standards critical to
Customer’s successful introduction of the Aircraft into service and its continued operation, ii) place Orders under the provisions of the CSGTA as supplemented by the provisions of this Letter Agreement for those Spare Parts and Standards,
and iii) manage the return of certain of those Spare Parts which Customer does not use, the parties agree as follows. 
 1.
Definitions. 
 1.1 Provisioning Data means the documentation provided by Boeing to Customer, including but not
limited to the Recommended Spare Parts List (RSPL), identifying all Boeing initial provisioning requirements for the Aircraft. 
 1.2 Provisioning Items means the Spare Parts and Standards identified by Boeing as initial provisioning requirements in support of the Aircraft, excluding special tools and ground support equipment
(GSE). 
 1.3 Provisioning Products Guide means the Boeing Manual D6-81834 entitled “Spares Provisioning
Products Guide”. 
 2. Phased Provisioning. 
 2.1 Provisioning Products Guide. Prior to the initial provisioning meeting Boeing will furnish to Customer a copy of the Provisioning Products Guide. 

2.2 Initial Provisioning Meeting. On or about twelve (12) months prior to delivery of the first Aircraft the parties will
conduct an initial provisioning meeting, as applicable, where the procedures, schedules, and requirements for training will be 

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-LA-1207870	  	
	Spare Parts Initial Provisioning	  	Page 1

 

 
  
 
established to accomplish phased provisioning of Spare Parts and Standards for the Aircraft in accordance with the Provisioning Products Guide. If the lead time from execution of the Purchase
Agreement until delivery of the first Aircraft is less than twelve (12) months, the initial provisioning meeting will be established as soon as reasonably possible after execution of the Purchase Agreement. 

2.3 Provisioning Data. During the initial provisioning meeting Customer will provide to Boeing the operational parameter
information described in Chapter 6 of the Provisioning Products Guide. After review and acceptance by Boeing of such Customer information, Boeing will prepare the Provisioning Data. Such Provisioning Data will be furnished to Customer on or
about ninety (90) days after Boeing finalizes the engineering drawings for the Aircraft. The Provisioning Data will be as complete as possible and will cover Provisioning Items selected by Boeing for review by Customer for initial provisioning
of Spare Parts and Standards for the Aircraft. Boeing will furnish to Customer revisions to the Provisioning Data periodically (or upon Customer request) until approximately ninety (90) days following delivery of the last Aircraft or until the
delivery configuration of each of the Aircraft is reflected in the Provisioning Data, whichever is later. 
 2.4 Buyer
Furnished Equipment (BFE) Provisioning Data. Unless otherwise advised by Boeing, Customer will provide or insure its BFE suppliers provide to Boeing the BFE data in scope and format acceptable to Boeing, in accordance with the schedule
established during the initial provisioning meeting. Boeing will integrate such data received in accordance with above. 
  

	3.	Purchase from Boeing of Spare Parts and Standards as Initial Provisioning for the Aircraft. 

3.1 Schedule. In accordance with schedules established during the initial provisioning meeting, Customer may place Orders for
Provisioning Items and any GSE, special tools, QEC kits, and engine spare parts, as applicable, which Customer determines it will initially require for maintenance, overhaul and servicing of the Aircraft and/or engines. 

3.2 Prices of Initial Provisioning Spare Parts. 
 3.2.1 Boeing Spare Parts. The Provisioning Data will set forth the prices for those Provisioning Items other than items listed in Article 3.3, below, that are Boeing Spare Parts, and such
prices will be firm and remain in effect for a minimum of ninety (90) days from the date the price is first quoted to Customer in the Provisioning Data. Boeing Spare Parts pricing provided to Customer will be subject to letter agreement number
6-1162-MSA-550, entitled “Spare Parts Commitments”. 
 3.2.2 Supplier Spare Parts. Boeing will provide estimated
prices in the Provisioning Data for Provisioning Items other than items listed in Article 3.3, below, that are Supplier Spare Parts. The price to Customer for any Supplier Spare Parts that are Provisioning Items or for any items ordered for initial
provisioning of GSE, special tools manufactured by suppliers, or engine spare parts will be *** percent (***%) of the supplier’s list price for such items. If a product support and assurance agreement (PSAA) with a supplier is
effective, then such supplier’s Supplier Spare Parts pricing will escalate pursuant to the provisions of such PSAA. 

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
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	Spare Parts Initial Provisioning	  	Page 2

 

 
  
 3.2.3 

3.3 QEC Kits, Standards Kits, Raw Material Kits, Bulk Materials Kits and Service Bulletin Kits. In accordance with schedules
established during the initial provisioning meeting, Boeing will furnish to Customer a listing of all components which could be included in the Standards kits, raw material kits, bulk materials kits and service bulletin kits which may be purchased
by Customer from Boeing. Customer will select, and provide to Boeing its desired content for the kits. Boeing will furnish to Customer as soon as practicable thereafter a statement setting forth a firm price for such kits. Customer will place Orders
with Boeing for the kits in accordance with schedules established during the initial provisioning meeting. For parts that are deemed Boeing Spare Parts, such pricing will remain in effect for a minimum of *** (***) days from the date the price
is first quoted to Customer. 
 4. Delivery. 
 For Spare Parts and Standards ordered by Customer in accordance with Article 3 of this Letter Agreement, Boeing will, insofar as reasonably possible, deliver to Customer such Spare Parts and Standards on
dates reasonably calculated to conform to Customer’s anticipated needs in view of the scheduled deliveries of the Aircraft. Customer and Boeing will agree upon the date to begin delivery of the provisioning Spare Parts and Standards ordered in
accordance with this Letter Agreement. Where appropriate, Boeing will arrange for shipment of such Spare Parts and Standards which are manufactured by suppliers directly to Customer from the applicable supplier’s facility. The routing and
method of shipment for initial deliveries and all subsequent deliveries of such Spare Parts and Standards will be as established at the initial provisioning meeting and thereafter by mutual agreement. 

5. Substitution for Obsolete Spare Parts. 
 5.1 Obligation to Substitute Pre-Delivery. In the event that, prior to delivery of the first Aircraft, any Spare Part purchased by Customer from Boeing in accordance with this Letter Agreement as
initial provisioning for the Aircraft is rendered obsolete or unusable due to the redesign of i) the Aircraft, ii) of any accessory, equipment or part thereof (other than a redesign at Customer’s request), or iii) of items in i) or ii) due to
their noncompliance with Customer’s Detail Specification, then Boeing will deliver to Customer at no charge new and usable Spare Parts in substitution for such obsolete or unusable Spare Parts and, upon such delivery, Customer will return the
obsolete or unusable Spare Parts to Boeing. 
 5.2 Delivery of Obsolete Spare Parts and Substitutes. Obsolete or unusable
Spare Parts returned by Customer pursuant to this Article 5 will be delivered to Boeing at its Seattle Distribution Center or such other destination as Boeing may reasonably designate. Spare Parts substituted for such returned obsolete or
unusable Spare Parts will be delivered to Customer in accordance with the CSGTA. *** the freight charges for the shipment from Customer to Boeing of any such obsolete or unusable Spare Part and for the shipment from Boeing to Customer of any such
substitute Spare Part. 

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
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	Spare Parts Initial Provisioning	  	Page 3

 

 
  
 6. Repurchase of Provisioning
Items. 
 6.1 Obligation to Repurchase. During a period commencing *** after delivery of the first Aircraft and ending
*** after such delivery, Boeing will, upon receipt of Customer’s written request and subject to the exceptions in Article 6.2, repurchase unused and undamaged Provisioning Items which (i) were recommended by Boeing in the Provisioning
Data as initial provisioning for the Aircraft, (ii) were purchased by Customer from Boeing, and (iii) are surplus to Customer’s needs. 
 6.2 Exceptions. Boeing will not be obligated under Article 6.1 to repurchase any of the following: (i) quantities of Provisioning Items in excess of those quantities recommended by Boeing in
the Provisioning Data for the Aircraft, (ii) QEC kits, bulk material kits, raw material kits, service bulletin kits, Standards kits and components thereof (except those components listed separately in the Provisioning Data),
(iii) Provisioning Items for which an Order was received by Boeing more than five (5) months after delivery of the last Aircraft, (iv) Provisioning Items which have become obsolete or have been replaced by other Provisioning Items as
a result of Customer’s modification of the Aircraft, and (v) Provisioning Items which become excess as a result of a change in Customer’s operating parameters, as provided to Boeing pursuant to the initial provisioning meeting and
which were the basis of Boeing’s initial provisioning recommendations for the Aircraft. 
 6.3 Notification and
Format. Customer will notify Boeing, in writing when Customer desires to return Provisioning Items under the provisions of this Article 6. Customer’s notification will include a detailed summary, in part number sequence, of the
Provisioning Items Customer desires to return. Such summary will be in the form of listings, tapes, diskettes or other media as may be mutually agreed between Boeing and Customer and will include part number, nomenclature, purchase order number,
purchase order date and quantity to be returned. Within *** business days after receipt of Customer’s notification, Boeing will advise Customer in writing when Boeing’s review of such summary will be completed. *** 

6.4 Review and Acceptance by Boeing. Upon completion of Boeing’s review of any detailed summary submitted by Customer
pursuant to Article 6.3, Boeing will issue to Customer a Material Return Authorization (MRA) for those Provisioning Items Boeing agrees are eligible for repurchase in accordance with this Article 6. Boeing will advise Customer of
the reason that any Provisioning Item included in Customer’s detailed summary is not eligible for return. Boeing’s MRA will state the date by which Provisioning Items listed in the MRA must be redelivered to Boeing, and Customer will
arrange for shipment of such Provisioning Items accordingly. 

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
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	Spare Parts Initial Provisioning	  	Page 4

 

 
  
 6.5 Price and
Payment. The price of each Provisioning Item repurchased by Boeing pursuant to this Article 6 will be an amount equal to *** percent (***%) of the original invoice price thereof except that the repurchase price of Provisioning Items
purchased pursuant to Article 3.2.2 will not include ***. Boeing will pay the repurchase price by issuing a credit memorandum in favor of Customer which may be applied against amounts due Boeing for the purchase of Spare Parts or Standards.

 6.6 Delivery of Repurchased Provisioning Items. Provisioning Items repurchased by Boeing pursuant to this
Article 6 will be delivered to Boeing’s Seattle Distribution Center or such other destination as Boeing may reasonably designate. *** for the *** Customer *** Boeing of any such Provisioning Items. 

7. Title and Risk of Loss. 
 Title and risk of loss of any Spare Parts or Standards delivered to Customer by Boeing in accordance with this Letter Agreement will pass from Boeing to Customer in accordance with the applicable
provisions of the CSGTA. Title to and risk of loss of any Spare Parts or Standards returned to Boeing by Customer in accordance with this Letter Agreement will pass to Boeing upon delivery of such Spare Parts or Standards to Boeing in accordance
with the provisions of Article 5.2 or Article 6.6, herein, as appropriate. 
 8. Termination for Excusable Delay. 

In the event of termination of the Purchase Agreement pursuant to Article 7 of the AGTA with respect to any Aircraft, such
termination will, if Customer so requests by written notice received by Boeing within fifteen (15) days after such termination, also discharge and terminate all obligations and liabilities of the parties as to any Spare Parts or Standards which
Customer had ordered pursuant to the provisions of this Letter Agreement as initial provisioning for such Aircraft and which are undelivered on the date Boeing receives such written notice. 
 9. Order of Precedence. 
 In the event of any inconsistency between the
terms of this Letter Agreement and the terms of any other provisions of the CSGTA, the terms of this Letter Agreement will control. 

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
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	Spare Parts Initial Provisioning	  	Page 5

 

 
  
 Very truly yours, 

 

					
	THE BOEING COMPANY
		
	By	 	/s/ ***
		
	Its	 	Attorney-in-Fact
	
	ACCEPTED AND AGREED TO this
			
	Date:	 	July 12, 2012	 	
	
	United Air Lines, Inc.
		
	By	 	/s/ Gerald Laderman
		
	Its	 	Senior Vice President – Finance and Treasurer

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-LA-1207870	  	
	Spare Parts Initial Provisioning	  	Page 6

			
	

	  	 The Boeing Company

P.O. Box 3707
 Seattle, WA 98124-2207

 UAL-PA-03784-LA-1207871 
 United Air Lines, Inc. 
 77 West Wacker Drive 

Chicago, Illinois 60601-0100 
  

			
	Subject:	  	 Special Matters

		
	Reference:	  	1) 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)
		
		  	2) Letter Agreement UAL-PA-03784-1209039 entitled “Aircraft Model Substitution” (Substitution Letter) between Boeing and Customer.

 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. 
 1. Credit Memoranda.

 1.1 Basic Credit Memorandum. At the time of delivery of each Aircraft, Boeing will issue to Customer a Basic Credit
Memorandum in an amount determined by *** the ***%. 
 1.2 *** Credit Memorandum. At the time of delivery of each
Aircraft delivering to Customer from *** through ***, Boeing will issue to Customer a *** Credit Memorandum in an amount determined by *** the ***% percent. Boeing *** that the inclusion of this *** Credit Memorandum is ***. 

1.3 *** Credit Memorandum. On the first business day of each of the years ***, Boeing will issue to Customer a *** credit
memorandum (*** Credit Memorandum) in a *** amount of *** US Dollars ($***) ***. This credit memorandum may be used ***, and may ***. 
 1.4 *** Pursuant to the ***, Customer may *** of ***. At the time of *** Boeing *** Customer ***. 
 1.5 ***At the time of ***% percent. Boeing *** the inclusion of *** is ***. 
 1.6
***. Pursuant to the *** At the time of ***, Boeing *** Customer *** the ***%. 
 1.7 ***. At the time of delivery
***%***. Boeing *** the inclusion of *** is ***. 
 2. ***. 

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-LA-1207871	  	
	Special Matters	  	Page 1

 

 
  
 Unless otherwise noted,
the amounts of the Credit Memoranda stated in paragraphs 1.1 and 1.2 are in *** base year dollars, and the Credit Memoranda stated in paragraphs 1.4 through 1.7 are in *** base year dollars, and will be *** set forth in the Purchase Agreement
applicable to the Aircraft. The Credit Memoranda may***, be (i)*** the *** of the ***, or (ii) used for *** 
 3. ***.

Boeing agrees to make the 737 *** for the Aircraft through Boeing’s ***. In the event that Boeing does not make the 737 ***,
then Boeing will agree to *** 
 4. *** 
 If a *** leads to a *** to be available only through a *** where *** were previously available, or if an existing ***, then *** for such affected *** will have the necessary agreements in place to provide
*** These ***, known as the *** will include (but not be limited to) *** that the terms of such *** are commercially reasonable. 
 5.
Supplier Diversity. 
 Customer and Boeing agree to work towards a mutually agreeable solution for meeting diversity
requirements in the supply base. Notwithstanding the foregoing sentence, Boeing agrees to (i) identify parts and equipment where Customer makes the procurement decision for potential opportunities; (ii) submit indirect reports until other
options are vetted and approved; and (iii) continue to engage with Customer with regard to supplier diversity to ensure Boeing supports Customer’s requirements. 
 6. Assignment. 
 Unless otherwise noted herein, the Credit Memoranda
described in this Letter Agreement are provided as a financial accommodation to Customer and in consideration of Customer’s taking title to the Aircraft at time of delivery and becoming the operator of the Aircraft. This Letter Agreement cannot
be assigned, in whole or in part, without the prior written consent of Boeing. *** 
 7. Confidentiality 

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. 

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-LA-1207871	  	
	Special Matters	  	Page 2

 

 
  

			
	Very truly yours,
	
	THE BOEING COMPANY
		
	By	 	/s/ ***
	Its	 	Attorney-in-Fact
	
	ACCEPTED AND AGREED TO this
		
	Date:	 	July 12, 2012
	
	United Air Lines, Inc.
		
	By	 	/s/ Gerald Laderman
	Its	 	Senior Vice President – Finance and Treasurer

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-LA-1207871	  	
	Special Matters	  	Page 3

			
	

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

UAL-PA-03784-LA-1207878 
 United Air Lines, Inc.

 77 West Wacker Drive 
 Chicago,
Illinois 60601-0100 
  

			
		
	Subject:	  	Demonstration Flight Waiver
		
	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. 
 Definition of Terms:

 Correction Costs: Customer’s direct labor costs and the cost of any material required to correct a Flight Discrepancy
where direct labor costs are equal to the Warranty Labor Rate in effect between the parties at the time such labor is expended. 
 Flight
Discrepancy: A failure or malfunction of an Aircraft, or the accessories, equipment or parts installed on the Aircraft which results from a defect in the Aircraft, Boeing Product, engine or Supplier Product or a nonconformance to the Detail
Specification for the Aircraft. 
 The AGTA provides that each aircraft will be test flown prior to delivery for the purpose of
demonstrating the functioning of such Aircraft and its equipment to Customer; however, Customer may elect to waive this test flight. For each test flight waived, *** agrees to *** an amount of *** at delivery that, including the ***, totals the
following *** 
  

			
	 Aircraft

Model
	  	***
	 737
	  	***

 Further, *** agrees to *** for any *** as a result of the discovery of a *** during the first flight of
the aircraft by *** following delivery to the extent such *** are not covered under a warranty provided by *** or any of *** suppliers. 
 Should a *** which requires the *** of the Aircraft to *** facilities at ***, so that *** may *** such ***, Boeing and Customer agree that title to and risk of loss of such

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-LA-1207878	  	
	Demonstration Flight Waiver	  	Page 1

 

 
  
 
Aircraft will ***. In addition, it is agreed that *** will have *** while it is on the ground at *** facilities in *** as is chargeable by law to a bailee for mutual benefit, but *** shall not be
liable for ***. 
 To be *** for *** shall submit a written itemized statement describing any *** and indicating the ***
incurred by *** for each *** This request must be submitted to ***, within ***after the *** 
  

			
	Very truly yours,
	
	THE BOEING COMPANY
		
	By	 	/s/ ***
	Its	 	Attorney-in-Fact
	
	ACCEPTED AND AGREED TO this
		
	Date:	 	July 12, 2012
	
	United Air Lines, Inc.
		
	By	 	/s/ Gerald Laderman
	Its	 	Senior Vice President – Finance and Treasurer

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-LA-1207878	  	
	Demonstration Flight Waiver	  	Page 2

					
	 

	 	  	 	 The Boeing Company

P.O. Box 3707
 Seattle, WA
98124-2207

 UAL-PA-03784-LA-1207879 
 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. 
 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 *** 

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-LA-1207879	  	
	Option Aircraft	  	Page 1

 

 
  
 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 Customer will pay a non-refundable option deposit to Boeing in the amount shown in the Attachment for each Option Aircraft (Option Deposit), on the date of execution of this Letter Agreement.
If Customer exercises an option, the Option Deposit will be credited against the first advance payment due. *** 
 5.2
Notwithstanding the amount shown in Attachment A, the Option Deposit will be *** for each ***. 
 5.3 At Definitive Agreement
for the 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). 

*** 
 7. Definitive Agreement.

 Following Customer’s exercise of an option, the parties will sign a definitive agreement for the purchase of such Option
Aircraft (Definitive Agreement) within *** of such exercise. The Definitive Agreement will include the provisions of the Purchase Agreement as modified to reflect the provisions of this Letter Agreement. In the event the parties have not
entered into a Definitive Agreement within *** Days following option exercise, either party may terminate the option to purchase such Option Aircraft by giving written notice to the other within ***. If Customer and Boeing fail to enter into the
Definitive Agreement, Boeing will retain the Option Deposit for that Option Aircraft and shall have no further obligation with respect to that 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. 

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-LA-1207879	  	
	Option Aircraft	  	Page 2

 

 
  
 Very truly yours, 

 

					
	THE BOEING COMPANY
		
	 By
	 	/s/ ***
		
	 Its
	 	Attorney-in-Fact
	
	 ACCEPTED AND AGREED TO this

			
	 Date:
	 	July 12, 2012	 	
	
	 United Air Lines, Inc.

		
	 By
	 	/s/ Gerald Laderman
		
	 Its
	 	Senior Vice President – Finance and Treasurer

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-LA-1207879	  	
	Option Aircraft	  	Page 3

 

 
  
 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	  	  	 	***	  	  	 Detail Specification:
	  	 	***	  	  				  				  			
								
	 Engine Model/Thrust:
	  	 	***	  	  	 	***	  	  	 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 Date
	  	Number 
of
Aircraft	 	 	Escalation
Factor

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

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-LA-1207879	  	
	Option Aircraft	  	Page 4

 

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

																													
	 Delivery Date
	  	Number 
of
Aircraft	 	 	Escalation
Factor

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

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-LA-1207879	  	
	Option Aircraft	  	Page 5

 

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

																													
	 Delivery Date
	  	Number 
of
Aircraft	 	 	Escalation
Factor

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

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-LA-1207879	  	
	Option Aircraft	  	Page 6

 

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

																													
	 Delivery Date
	  	Number 
of
Aircraft	 	 	Escalation
Factor

(Airframe)	 	 	Escalation Estimate
Adv
Payment Base
Price Per A/P	 	 	Advance Payment Per Aircraft (Amts. Due/Mos. Prior to 
Delivery):	 
	  	 	 	 	***	 	 	***	 	 	***	 	 	***	 
	 ***
	  	 	*	** 	 	 	*	** 	 	$	*	** 	 	$	*	** 	 	$	*	** 	 	$	*	** 	 	$	*	** 
	 ***
	  	 	*	** 	 	 	*	** 	 	$	*	** 	 	$	*	** 	 	$	*	** 	 	$	*	** 	 	$	*	** 
	 Total
	  	 	60	  	 				 				 				 				 				 			

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-LA-1207879	  	
	Option Aircraft	  	Page 7

					
	 

	 	  	 	 The Boeing Company

P.O. Box 3707
 Seattle, WA
98124-2207

 UAL-PA-03784-LA-1207881 
 United Air Lines, Inc. 
 77 West Wacker Drive 

Chicago, Illinois 60601-0100 
  

			
	Subject:	  	Seller Purchased Equipment
	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. 
  

	1.	General. 

 Seller
Purchased Equipment (SPE) is BFE that Boeing purchases for Customer and that is identified as SPE in the Detail Specification for the Aircraft. 
  

	2.	Customer Responsibilities. 

2.1 Supplier Selection. Customer will select SPE suppliers from a list provided by *** for the commodities identified on such list
and notify Boeing of the SPE suppliers in accordance with the supplier selection date(s) as set forth in Attachment A of this Letter Agreement. If Customer selects *** supplier that is *** will become BFE and the provisions of Exhibit A, Buyer
Furnished Equipment Provisions Document, of the AGTA will apply. 
 2.2 Supplier Agreements. Customer will enter into
initial agreements with the selected suppliers within *** after the selection date(s) for the supplier to actively participate with Customer and Boeing in coordination actions including the Initial Technical Coordination Meeting (ITCM). Customer
will enter into final agreements with selected suppliers for the following additional provisions in accordance with the supplier agreement date(s) within *** of the ITCM or as otherwise identified by Boeing: 

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-LA-1207881	  	
	Seller Purchased Equipment	  	Page 1

 

 
  
 *** 

2.3 Configuration Requirements. Customer will meet with Boeing and such selected SPE suppliers in the ITCM and any other scheduled
meetings in order to: 
 *** 
 3. Boeing Responsibilities. 
 3.1 Supplier Selection 

3.1.1 Bidder’s List. For information purposes, Boeing will submit to Customer a bidder’s list of existing suppliers of
*** prior to the supplier selection date(s) referred to in paragraph 2 (i) above. 
 3.1.2 Request for Quotation
(RFQ). Approximately *** prior to the supplier selection date(s), Boeing will issue its RFQ inviting potential bidders to submit bids for the *** of the selection date. 

3.1.3 Bidders Summary. Not later than *** prior to the supplier selection date(s), Boeing will submit to Customer a summary of the
bidders from which to choose a supplier for the ***. The summary is based on an evaluation of the bids submitted using price, weight, warranty and schedule as the criteria. 
 3.2 Additional Boeing responsibilities: 
 *** 

4. IFE/CCS Software. 

IFE/CCS may contain software of the following two types: 
 4.1 Systems Software. The software required to operate and certify the IFE/CCS systems on the Aircraft is the Systems Software and is part of the IFE/CCS. 

4.2 Customer’s Software. The software accessible to the Aircraft passengers which controls Customer’s specified optional
features is Customer’s Software and is not part of the IFE/CCS. 
 4.2.1 Customer is solely responsible for specifying
Customer’s Software functional and performance requirements and ensuring that Customer’s Software meets such requirements. Customer and Customer’s Software supplier will have total responsibility for the writing, certification,
modification, revision, or correction of any of Customer’s Software. Customer shall be responsible for and assumes all liability with respect to Customer’s Software. 
 4.2.2 The omission of any Customer’s Software or the lack of any functionality of Customer’s Software will not be a valid condition *** of the *** at the time of *** 

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-LA-1207881	  	
	Seller Purchased Equipment	  	Page 2

 

 
  
 4.2.3 Boeing has no
obligation to approve any documentation to support *** will only *** and operate Customer’s Software if in *** such *** and *** is *** to *** the *** on the *** 
 4.2.4 Boeing shall not be responsible for obtaining FAA certification for Customer’s Software. 
 5. Price. 
 5.1 Advance Payments. An estimated SPE price is included in the
Advance Payment Base Prices shown in Table 1 for the purpose of establishing the advance payments for the Aircraft. 
 5.2
Aircraft Price. The Aircraft Price will be adjusted to reflect the actual costs charged to Boeing by the SPE suppliers and transportation charges. 
  

	6.	Changes. 

 After
Customer’s acceptance of this Letter Agreement, any changes to the Aircraft SPE configuration may only be made by and between *** and the ***. Customer requested changes to the SPE after execution of this Letter Agreement shall be made by
Customer in writing directly to Boeing for approval and for coordination by Boeing with the SPE supplier. Any such change to the configuration of the Aircraft shall be subject to price and offerability through Boeing’s master change or other
process for amendment of the Purchase Agreement. 
  

	7.	Proprietary Rights. 

Boeing’s obligation to purchase SPE will not impose upon Boeing any obligation to compensate Customer or any supplier for any
proprietary rights Customer may have in the design of the SPE. 
  

	8.	Remedies. 

 8.1 If ***
does not perform its obligations as provided in this Letter Agreement, in addition to any other remedies which Boeing may have by contract or under law, Boeing may: 
 8.1.1*** the *** of the *** to *** the *** of ***, and *** the *** of the *** on such ***; 

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

					
	UAL-PA-03784-LA-1207881	 		  	
	Seller Purchased Equipment	 		  	Page 3

 

 
  
 8.1.2*** * the ***

 8.1.3*** a *** and *** for the *** and 
 8.1.4*** the *** by the *** of *** to such ***, including but not limited to, *** associated with *** by *** 
 8.2 Additionally, if *** does not perform its obligations as provided in this Letter Agreement and such non-performance causes the delivery of SPE seats to not support the delivery of the Aircraft in its
scheduled delivery month, Customer agrees that: 
 8.2.1 Boeing may *** to *** the *** and *** of the *** in the *** in a ***

 8.2.1.1 if Boeing *** to *** in a *** will *** with a *** and *** for a *** and *** in *** of the *** of the *** 

 

	9.	Title and Risk of Loss. 

Title and risk of loss of the SPE will remain with Boeing until the Aircraft is delivered to Customer. 

 

	10.	*** 

  

	11.	Definition. 

 For purposes
of the ***. 

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

					
	UAL-PA-03784-LA-1207881	 		  	
	 Seller Purchased Equipment
	 		  	Page 4

 

 
  
 Very truly yours, 

 

					
	THE BOEING COMPANY
		
	 By
	 	/s/ ***
		
	 Its
	 	Attorney-in-Fact
	
	 ACCEPTED AND AGREED TO this

			
	 Date:
	 	July 12, 2012	 	
	
	 United Air Lines, Inc.

		
	 By
	 	/s/ Gerald Laderman
		
	 Its
	 	Senior Vice President – Finance and Treasurer

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-LA-1207881	  	
	Seller Purchased Equipment	  	Page 5

 

 
  
 Attachment A

 1. Supplier Selection. 
 Customer will: 
 1.1 Select and notify Boeing of the suppliers and part numbers of
the following SPE items by the following dates: 
  

					
	 Galley System
	  	 	***	  
		  	  
	  
	 
	 Galley Inserts
	  	 	***	  
		  	  
	  
	 
	 Seats (passenger)
	  	 	***	  
		  	  
	  
	 
	 Overhead & Audio System
	  	 	***	  
		  	  
	  
	 
	 In-Seat Video System
	  	 	***	  
		  	  
	  
	 
	 Cargo Handling Systems
	  	 	***	  
		  	  
	  
	 
	 *(Single Aisle Programs only)
	  			

  

	*	For a new certification, Customer will need to provide Supplier Selections *** months earlier than stated above. 

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-LA-1207881	  	
	Seller Purchased Equipment	  	Page 6

					
	

	 	  	 	 The Boeing Company

P.O. Box 3707
 Seattle, WA
98124-2207

 UAL-PA-03784-LA-1208155 
 United Air Lines, Inc. 
 77 West Wacker Drive 

Chicago, Illinois 60601-0100 
  

			
	Subject:	  	*** Matters
		
	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. 
 The Purchase
Agreement incorporates the terms and conditions of AGTA/UAL between Boeing and Customer. This Letter Agreement modifies certain terms and conditions of the AGTA with respect to the Aircraft. 
 1. *** 
 1.1 *** 

1.2 *** 
  

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

 2. *** on *** 
 2.1 *** will *** on the *** the calendar day on which each *** in accordance with Table 1 of the Purchase Agreement, *** delivery of the applicable Aircraft. The *** used to *** shall be the *** The
*** will be the *** on *** will be *** 
 2.2 *** the *** for each Aircraft will be ***. 

3. *** Rights. 

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-LA-1208155	  	
	***Matters	  	Page 1

 

 
  
 3.1 Customer agrees that
*** Customer*** and *** that ***. and *** are *** in *** to *** 
 3.2 In the event Boeing *** Customer*** pursuant to Article
3.1, absent instruction from Boeing to the contrary, Customer shall, *** the Purchase Agreement as amended by this Letter Agreement. Customer will ***. 
 3.3 For all purposes of this Article 3, including without limitation, notice, *** or any other application, ***. Boeing expressly reserves all of its rights and remedies under any agreement and applicable
law. 
 3.4 Notwithstanding Article 3.1, *** shall not *** under the Purchase Agreement with respect to any Aircraft that is
subject to *** 
 3. Confidentiality. 
 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. 
 4. 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. 
 If the foregoing correctly sets forth your understanding of our agreement with respect to the matters treated above, please indicate your acceptance and approval below. 

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-LA-1208155	  	
	***Matters	  	Page 2

 

 
  
 Very truly yours, 

 

					
	THE BOEING COMPANY
		
	 By
	 	/s/ ***
		
	 Its
	 	Attorney-in-Fact
	
	 ACCEPTED AND AGREED TO this

			
	 Date:
	 	July 12, 2012	 	
	
	 United Air Lines, Inc.

		
	 By
	 	/s/ Gerald Laderman
		
	 Its
	 	Senior Vice President – Finance and Treasurer

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-LA-1208155	  	
	***Matters	  	Page 3

					
	

	 	  	 	 The Boeing Company

P.O. Box 3707
 Seattle, WA
98124-2207

 UAL-PA-03784-LA-1208156 
 United Air Lines, Inc. 
 77 West Wacker Drive 

Chicago, Illinois 60601-0100 
  

			
	Subject:	  	***
		
	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. 
 1. Definitions. 

*** Notice means the written communication provided by Boeing to Customer in accordance with the requirements of Article 4.1,
below. 
 *** will have the meaning specified in letter agreement *** 

Program Aircraft means each Aircraft specified in Table 1 of the Purchase Agreement as of the date of this Letter Agreement
and any Option Aircraft for which Customer has exercised its option exercise rights. 
 2. Applicability. 

Notwithstanding any other provision of the Purchase Agreement to the contrary, the parties agree that the *** for the Airframe Price and
Optional Features Prices for each Program Aircraft shall be determined in accordance with this Letter Agreement. 
 3. *** Forecast.

 Boeing will release an *** forecast in *** of each year based on Boeing’s then current standard ***. Only one ***
forecast shall be used to conduct the *** analysis performed in accordance with Article 4.1, below, for a given Program Aircraft. The *** forecast applicable to a given Program Aircraft is set forth in Attachment A. 

4. *** 
 5. *** 

6. *** 

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-LA-1208156	  	
	***	  	Page 1

 

 
  
 7.*** 

8. Assignment. 
 *** this
Letter Agreement is provided as an accommodation to Customer in consideration of Customer 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
	 	/s/ ***
		
	 Its
	 	Attorney-in-Fact
	
	 ACCEPTED AND AGREED TO this

			
	 Date:
	 		 	July 12, 2012
	
	 United Air Lines, Inc.

		
	 By
	 	/s/ Gerald Laderman
		
	 Its
	 	Senior Vice President – Finance and Treasurer

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-LA-1208156	  	
	***	  	Page 2

 

 
  
 ATTACHMENT A

 *** Forecast & *** Notice Date 

 

					
	 ***
 Forecast
	  	Applicable to Program Aircraft
Delivering in Time Period	 	*** Notice
Date
			
	 ***
	  	***	 	***
			
	 ***
	  	***	 	***
			
	 ***
	  	***	 	***
			
	 ***
	  	***	 	***
			
	 ***
	  	***	 	***
			
	 ***
	  	***	 	***
			
	 ***
	  	***	 	***
			
	 ***
	  	***	 	***
			
	 ***
	  	***	 	***
			
	 ***
	  	***	 	***
			
	 ***
	  	***	 	***
			
	 ***
	  	***	 	***
			
	 ***
	  	***	 	***
			
	 ***
	  	***	 	***

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-LA-1208156	  	
	***	  	Page 3

 

 
  
 ATTACHMENT B

 *** 
  

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

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-LA-1208156	  	
	***	  	Page 4

			
	 

	  	 The Boeing Company

P.O. Box 3707
 Seattle, WA 98124-2207

 UAL-PA-03784-LA-1208172 
 United Air Lines, Inc. 
 77 West Wacker Drive 

Chicago, Illinois 60601-0100 
  

			
		
	Subject:	  	***
		
	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 amends and supplements the Purchase Agreement. All terms used herein and in the
Agreement, and not defined herein, will have the same meaning as in the Agreement. 
 Subject to the terms, provisions, and
conditions described herein, *** 
 1. Customer’s ***. 
 Boeing *** Customer, *** as described in paragraph 3 below, *** for the respective model type. The Effective Date of such *** shall be the date that *** to Customer, unless otherwise mutually agreed to.
*** for the applicable Aircraft is ***. *** not later than *** after receipt of Customer’s ***. 
 2. ***. 

At the time of delivery of each Aircraft, or *** after delivery of an Aircraft, *** Customer. Such *** shall be *** identifying the
Aircraft Manufacturer’s Serial Number (MSN), the delivery date and the Effective Date of ***. The *** shall also indicate ***. Customer may *** subsequent to the Effective Date. If Customer ***, then Customer shall *** as outlined in paragraph
3 below. 
 3. ***. 

Customer shall *** in accordance with either the *** set forth below, at Customer’s option. 

*** 

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-LA-1208172	  	
	***	  	Page 1

 

 
  
 4.*** 

5. 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. 

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-LA-1208172	  	
	***	  	Page 2

 

 
  
  

			
	Very truly yours,
	
	THE BOEING COMPANY
		
	By	 	/s/ ***
	Its	 	Attorney-in-Fact
	
	ACCEPTED AND AGREED TO this
		
	Date:	 	July 12, 2012
	
	United Air Lines, Inc.
		
	By	 	/s/ Gerald Laderman
	Its	 	Senior Vice President – Finance and Treasurer

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-LA-1208172	  	
	***	  	Page 3

 Attachment A to Letter Agreement UAL-PA-03784-LA-1208172 

Date:
                                         
                    
 United Air Lines, Inc.

 77 West Wacker Drive 
 Chicago,
Illinois 60601-0100 
  

			
		
	Attention:	  	Technical Department
		
	Reference:	  	Letter Agreement UAL-PA-03784-LA-1208172 to Purchase Agreement 03784

 *** 
 Very
truly yours, 
 THE BOEING COMPANY 

By:
                                        

 Its:
                                        

  
 Attachment B to Letter Agreement UCH-PA-03784-LA-1208172

 *** 
  

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

  
 BOEING /
UNITED AIR LINES, INC. PROPRIETARY 

			
	 

	  	 The Boeing Company

P.O. Box 3707
 Seattle, WA 98124-2207

 UAL-PA-03784-LA-1208173 
 United Air Lines, Inc. 
 77 West Wacker Drive 

Chicago, Illinois 60601-0100 
  

			
	Subject:	  	***
		
	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. 
 1. Special Consideration for
*** 
 In the event that Customer elects to have the *** installed on an Aircraft at time of delivery, Boeing shall provide
at the time of delivery of each such Aircraft *** 
 In the event that Customer elects to install the *** as a post delivery
modification, Boeing shall *** such *** in a manner similar to what is currently being done with ***, i.e. the *** for the *** will be *** 
 2.
Assignment ***. 
 The *** described in this Letter Agreement are ***. This Letter Agreement cannot be assigned, in whole
or in part, without the prior written consent of Boeing. 
  

	3.	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. 

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-LA-1208173	  	
	***	  	Page 1

 

 
  
  

			
	Very truly yours,
	
	THE BOEING COMPANY
		
	By	 	/s/ ***
	Its	 	Attorney-in-Fact
	
	ACCEPTED AND AGREED TO this
		
	Date:	 	July 12, 2012
	
	United Air Lines, Inc.
		
	By	 	/s/ Gerald Laderman
	Its	 	Senior Vice President – Finance and Treasurer

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-LA-1208173	  	
	***	  	Page 2

			
	 

	  	 The Boeing Company

P.O. Box 3707
 Seattle, WA 98124-2207

 UAL-PA-03784-LA-1207869 
 United Air Lines, Inc. 
 77 West Wacker Drive 

Chicago, Illinois 60601-0100 
 United
Continental Holdings, Inc. 
 77 West Wacker Drive 
 Chicago, Illinois 60601-0100 
  

			
		
	Subject:	  	737 Production Adjustments
	Reference:	  	1) Purchase Agreement No. 03784 (Purchase Agreement) between The Boeing Company (Boeing) and United Air Lines, Inc. (Customer) relating to Model 737-900ER
aircraft (including any 737-700 or 737-800 aircraft, collectively the 737NG 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. 
 1. 737 Production
Adjustments 
 For any scheduled deliveries from *** onward, Boeing may *** or *** to *** of the *** (737 Production
Adjustment), provided that such 737 Production Adjustment *** in a ***. If Boeing elects to take such action, for those *** by a 737 Production Adjustment, Boeing will *** of the *** with the *** of the *** 

2. Notice and Purchase Agreement Amendment. 
 2.1*** Notice. If Boeing elects to implement the 737 Production Adjustment, no later than *** months prior to the first day of the scheduled delivery month of the ***, Boeing will provide Customer
written notice of its intention to *** of the *** with the *** of a *** (*** Notice). Such *** Notice will i) represent that Boeing has elected to implement a 737 Production Adjustment, and ii) *** the *** of *** Boeing’s notice will
constitute an amendment to the Purchase Agreement to *** the *** and an amendment to the *** to *** the *** in accordance with the terms and conditions set forth herein (Amendment). 

2.2 Delivery Schedule. Boeing will ***, within its then-current production capacity, to *** for the *** as the *** of the ***
(Original Delivery Month). In the event Boeing is ***, then Boeing will *** to the ***, and ***. In addition, Boeing will consider and make *** efforts to accommodate Customer requests regarding *** quantities in certain months. 

  
 BOEING
/ UNITED AIR LINES, INC. / UNITED CONTINENTAL HOLDINGS, INC. PROPRIETARY 

  

			
	UAL-PA-03784-LA-1207869	  	
	737 Production Adjustments	  	Page 1

 

 
  
 2.3 Advance
Payments. If the advance payments owed for any *** is *** than the advance payments paid for the ***, then within ***, *** will pay *** the amount of the difference in advance payments due as of the date of the ***. If the advance payments paid
for a the applicable *** is *** than the advance payments owed for the *** 
 2.4 Other Terms and Conditions. All other
terms and conditions of the ***, including but not limited to Aircraft Basic Price, Escalation Adjustment and Detail Specification, shall apply to the ***. 
 3. Effectiveness; Conforming Changes to Purchase Agreement. 
 The terms of
this Letter Agreement will be fully effective upon the date of the *** Notice. Once effective, the terms of this Letter Agreement will supersede the corresponding terms of the Purchase Agreement ***. The execution of the ***, as discussed below, is
to facilitate contract administration and is not a condition to the effectiveness of this Letter Agreement or the *** Notice. The Parties will execute a supplemental agreement to the Purchase Agreement *** to conform the Purchase Agreement terms to
this Letter Agreement. Boeing and Customer, acting in good faith, will execute the *** as soon as reasonably practicable after Customer’s receipt of the *** Notice, but not later than *** days from the date thereof. In the event of any conflict
between the terms and conditions of this Letter Agreement and the ***, the terms and conditions of this Letter Agreement shall control. 
 4.
Confidential Treatment. 
 Customer, United Continental Holdings, Inc. and Boeing understand that certain commercial and
financial information contained in this Letter Agreement are considered by Boeing, United Continental Holdings, Inc. and Customer as confidential and are subject to the terms and conditions set forth in letter agreement number
UAL-PA-03784-LA-1208938 ***. 

  
 BOEING
/ UNITED AIR LINES, INC. / UNITED CONTINENTAL HOLDINGS, INC. PROPRIETARY 

  

			
	UAL-PA-03784-LA-1207869	  	
	737 Production Adjustments	  	Page 2

 

 
  
  

			
	Very truly yours,
	
	THE BOEING COMPANY
		
	By	 	/s/ ***
	Its	 	Attorney-In-Fact
	
	ACCEPTED AND AGREED TO this
		
	Date:	 	July 12, 2012
	
	United Air Lines, Inc.
		
	By	 	/s/ Gerald Laderman
	Its	 	Senior Vice President – Finance and Treasurer
	
	United Continental Holdings, Inc.
		
	 By
	 	/s/ Gerald Laderman
	 Its
	 	Senior Vice President – Finance and Treasurer

  
 BOEING
/ UNITED AIR LINES, INC. / UNITED CONTINENTAL HOLDINGS, INC. PROPRIETARY 

  

			
	UAL-PA-03784-LA-1207869	  	
	737 Production Adjustments	  	Page 3

			
	 

	  	 The Boeing Company

P.O. Box 3707
 Seattle, WA 98124-2207

 UAL-PA-03784-LA-1208938 
 United Air Lines, Inc. 
 77 West Wacker Drive 

Chicago, Illinois 60601-0100 
  

			
		
	Subject:	  	Privileged and Confidential Matters
		
	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 that certain commercial and financial information contained in or transmitted pursuant to the Purchase Agreement and the Aircraft General Terms Agreement (AGTA) (together the “Purchase Agreement”) between Boeing and Customer
and all letter agreements made a part of the Purchase Agreement, including exhibits or attachments thereto are considered by Boeing and Customer as privileged and confidential and the parties agree that the information contained therein or
transmitted pursuant to (Information) represents confidential business information. Except as specified below, each of Boeing and Customer is prohibited from disclosing the Information to any person, entity, or government agency. Each party
shall protect the confidentiality of such Information in the manner similar to how a party protects its own Information of a similar nature, but with no less than a reasonable standard of care. This provision shall not restrict a party from taking
any steps necessary to protect and safeguard its interests relating to the Information, including obtaining a protective order or other injunctive relief, where appropriate. 

 

	 	(a)	Employees. A party may disclose the Information to its own employees (as well as the employees of United Continental Holdings, Inc. and Continental Airlines,
Inc.) who (i) have a need to know the Information for purposes of assisting said party in the evaluation or administration of the Purchase Agreement or such party’s business operations and (ii) have been instructed to not disclose the
Information except as provided by this Letter Agreement. 

  

	 	(b)	Professional Advisors. A party may disclose the Information to its auditors, insurers, financial advisors, *** and attorneys (“Professional Advisors”)
who have a need to know the Information in connection with providing services to said party only when said party has first obtained from the Professional Advisor a written obligation of confidentiality and restricted use that is no less restrictive
than the terms of this Letter Agreement. Each party shall be fully responsible to the other party for the Professional Advisors’ compliance with such obligations. 

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-LA-1208938	  	
	Privileged and Confidential Matters	  	Page 1

 

 
  
  

	 	(c)	Regulatory Requirements. A party may disclose in a regulatory or other government filing that part of the Information which is required by applicable law or
regulation to be disclosed in such regulatory or other governmental filings, including filings with the Securities and Exchange Commission (“SEC”), but only in accordance with the following requirements:

  

	 	(i)	The disclosing party shall advise the other party in writing of such disclosure requirement prior to making such disclosure to enable the other party to take those
steps it deems necessary to protect the Information; and 

  

	 	(ii)	The disclosing party shall, as requested by the other party, seek redaction and/or confidential treatment for the Information or parts thereof from the SEC or other
applicable regulators. 

  

			
	Very truly yours,
	
	THE BOEING COMPANY
		
	By	 	/s/ ***
	Its	 	Attorney-In-Fact
	
	ACCEPTED AND AGREED TO this
		
	Date:	 	July 12, 2012
	
	United Air Lines, Inc.
		
	By	 	/s/ Gerald Laderman
	Its	 	Senior Vice President – Finance and Treasurer

  
 BOEING
PROPRIETARY 

  

			
	UAL-PA-03784-LA-1208938	  	
	Privileged and Confidential Matters	  	Page 2

			
	 

	  	 The Boeing Company

P.O. Box 3707
 Seattle, WA 98124-2207

 UAL-PA-03784-LA-1209039 
 United Air Lines, Inc. 
 77 West Wacker Drive 

Chicago, Illinois 
  

			
	Subject:	  	Aircraft Model Substitution
		
	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. 
 Customer may
substitute the purchase of Boeing Model Boeing Model 737-800 aircraft or Model 737-700 aircraft (collectively, the Substitute Aircraft) ***in place of any Aircraft, subject to the following terms and conditions: 

1. Customer’s Written Notice. 
 Customer shall provide written notice of its intention to substitute the purchase of an Aircraft with the purchase of a Substitute Aircraft, 

 

	 	(i)	no later than the first day of the month that is *** prior to the scheduled month of delivery of the Aircraft for which it will be substituted. Shorter notice may be
acceptable if mutually agreed by both parties. 

 2. Boeing Production Constraints. 

2.1 Customer’s substitution right is conditioned upon Boeing having production capacity for the Substitute Aircraft in the same
scheduled delivery month as the Aircraft for which it will be substituted. Boeing will provide a written response to Customer’s notice of intent indicating whether or not Boeing’s production capacity will support the scheduled delivery
month. 
 2.2 If Boeing is unable to manufacture the Substitute Aircraft in the same scheduled delivery month as the Aircraft
for which it will be substituted, then Boeing shall promptly make a written offer of an alternate delivery month for Customer’s consideration and written acceptance within thirty days of such offer. 

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-LA-1209039	  	
	Aircraft Model Substitution	  	Page 1

 

 
  
 2.3 All of Boeing’s
quoted delivery positions for Substitute Aircraft shall be considered preliminary until such time as the parties enter into a definitive agreement in accordance with paragraph 3 below. 
 3. Definitive Agreement. 
 Customer’s substitution right and Boeing
obligation in this Letter Agreement are further conditioned upon Customer and Boeing’s executing a definitive agreement for the purchase of the Substitute Aircraft within ***of Customer’s substitution notice to Boeing or of Customer’s
acceptance of an alternate delivery month in accordance with paragraph 2 above. 
 4. *** 

*** 
 5. 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. 

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-03784-LA-1208938. 

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-LA-1209039	  	
	Aircraft Model Substitution	  	Page 2

 

 
  

			
	Very truly yours,
	
	THE BOEING COMPANY
		
	By	 	/s/ ***
	Its	 	Attorney-In-Fact
	
	ACCEPTED AND AGREED TO this
		
	Date:	 	July 12, 2012
	
	United Air Lines, Inc.
		
	By	 	/s/ Gerald Laderman
	Its	 	Senior Vice President – Finance and Treasurer

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-LA-1209039	  	
	Aircraft Model Substitution	  	Page 3

 *** 
  

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

  
 Boeing /
United Air Lines, Inc. Proprietary 

 *** 
  

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

			
	 

	  	 The Boeing Company

P.O. Box 3707
 Seattle, WA 98124-2207

 UAL-PA-03784-LA-1209115 
 United Air Lines, Inc. 
 77 West Wacker Drive 

Chicago, Illinois 60601-0100 
  

			
	Subject:	  	***
		
	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
wish to enter into an agreement pursuant to which each party will *** of the Aircraft as more specifically provided below. 
 1.
Definitions. 
 1.1 *** shall have the meaning set forth in Article 2, below. 

1.2 Covered Aircraft shall mean those Aircraft identified on Table 1 to the Purchase Agreement as of the date of signing of
this Letter Agreement. 
 1.3 *** Period shall mean the period beginning *** before and ending *** after the scheduled
delivery month of the first Covered Aircraft. 
 1.4 *** shall mean mutually agreed *** programs that *** such as ***
activities as the parties may mutually agree. 
 1.5 *** shall mean *** for *** provided to Customer during the ***
Period. 
 2. ***. 
 As
more particularly set forth in this Letter Agreement*** agrees to provide *** to *** during the *** Period in a value not to exceed *** for ***up to *** of *** 
 3. Methods of Performance. 
 3.1 Subject to the ***, *** that Customer
provides Boeing *** no later than *** months after the delivery of the first Covered Aircraft. 
 3.2 Notwithstanding the above,
at Customer’s request and subject to a mutually agreed ***, *** during the *** Period directly to Customer. The *** of such Boeing *** and will *** that are subject to *** pursuant to Article 3.1 above. 

3.3 In the event Customer ***. Boeing will provide Customer with no less than thirty (30) days of notice prior to ***. 

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-LA-1209115	  	
	***	  	Page 1

 

 
  
 4. *** 

Following the execution of this Letter Agreement, *** pursuant to this Letter Agreement. 

5. 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. 
 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-03784-LA-1208938. 

 

			
	Very truly yours,
	
	THE BOEING COMPANY
		
	By	 	/s/ ***
	Its	 	Attorney-In-Fact
	
	ACCEPTED AND AGREED TO this
		
	Date:	 	July 12, 2012
	
	United Air Lines, Inc.
		
	By	 	/s/ Gerald Laderman
	Its	 	Senior Vice President – Finance and Treasurer

  
 BOEING
/ UNITED AIR LINES, INC. PROPRIETARY 

  

			
	UAL-PA-03784-LA-1209115	  	
	***	  	Page 2

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