US Airways 2007 Annual Report Download - page 1105

9 ADJUSTMENT OF GUARANTEES
9.1 In the event of any change to any law, governmental regulation or requirement or interpretation thereof ("rule change") by any governmental agency made
subsequent to the date of the Agreement and such rule change affects the Aircraft configuration or performance or both required to obtain certification the
Guarantees will be appropriately modified to reflect the effect of any such change.
9.2 The Guarantees apply to the Aircraft as described in paragraph 1 of this Letter Agreement and may be adjusted in the event of:
i) Any further configuration change which is the subject of a SCN
ii) Variation in actual weights of items defined in Section 13-10 of the Specification
iii) Changes required to obtain certification that cause modifications to the performance or weight of the A350-800 XWB Aircraft
10 EXCLUSIVE GUARANTEES
The Guarantees are exclusive and are provided in lieu of any and all other performance and weight guarantees of any nature which may be stated,
referenced or incorporated in the Specification or any other document.
11 **
12. ASSIGNMENT
Except as set forth in Clause 20.2 of the Agreement, this Letter Agreement and the rights and obligations of the Buyer hereunder will not be assigned or
transferred in any manner without prior written consent of the Seller and any attempted assignment or transfer in contravention of the provisions of this
sentence will be void and of no force and effect.
13. COUNTERPARTS
This Letter Agreement may be signed in any number of separate counterparts. Each counterpart, when signed and delivered (including counterparts
delivered by facsimile transmission), will be an original, and the counterparts will together constitute one and the same instrument.
** Confidential Treatment Requested.
USA — Amended and Restated Airbus A350 XWB Purchase Agreement
EXECUTION
LA 8-1.B — 16 of 18
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