EXHIBIT 10.1
 PORTIONS OF THIS EXHIBIT MARKED BY AN (***) HAVE BEEN OMITTED PURSUANT TO A REQUEST FOR
CONFIDENTIAL TREATMENT FILED SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION.
  
 Re:
    
    Sixth Amendment to Subscriber Services Agreement, dated as of July 23, 2007 (Agreement)
between Travelport, LP, (f/k/a Travelport International, L.L.C., hereinafter Travelport),
Travelport Global Distribution System B.V. (f/k/a Galileo Nederland B.V., hereinafter TGDS
and, together with Travelport, collectively, Galileo) and Orbitz Worldwide, LLC
(Subscriber)
    1.
    
    The following new provision is inserted as Section 27 of the Agreement:
 27.
    
    Galileo and Orbitz Funding of Orbitz Marketing Programs.
 A.
    
    Marketing Program. From time to time during the Term of the Agreement,
Galileo and Orbitz may agree to contribute money toward a marketing program to be
conducted by Orbitz (each, a Marketing Program) pursuant to the terms of this Amendment.
The goals of such Marketing Programs shall be to generate bookings through Orbitz.com and
to generate Segments on one or more Travelport GDS or as otherwise mutually agreed between
the parties. In connection with each Marketing Program, Galileo and Orbitz shall enter
into a Summary of Marketing Program Terms, substantially in the form attached hereto as
Exhibit A.
 B.
    
    Initial Marketing Program. Galileo and Orbitz agree to fund, and Orbitz
agrees to conduct, the following initial Marketing Program (Initial Marketing Program):
 Total Marketing Dollars Cap:
    
    Up to $(***) (the actual total amount
to be referred to as Total Marketing
Dollars)
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Galileo Marketing Contribution Cap:
    
    Up to $(***) (the actual total amount
to be referred to as Galileo
Marketing Contribution)Orbitz Marketing Contribution Cap:
    
    Up to $(***) (the actual total amount
to be referred to as Orbitz Marketing
Contribution)
 C.
    
    Funding. Galileo and Orbitz shall fund the Initial Marketing Program, with
the amount of each Partys contribution to be up to the Galileo Marketing Contribution Cap
and Orbitz Marketing Contribution Cap, respectively. Orbitz shall run online marketing
campaigns (each, a Marketing Campaign), with the timing and nature of each Marketing
Campaign to be determined by Orbitz after reasonable consultation with Galileo. The
parties will evaluate the results of each Marketing Campaign, and each party shall
determine in its sole discretion after such evaluation whether or not to contribute
additional money to the Initial Marketing Program for additional Marketing Campaigns. The
Marketing Campaigns may include (without limitation) paid advertisements on travel
research websites (for example, Travelzoo.com) or paid search marketing on search engines
(for example, Google). If the Total Marketing Dollars are not expended during the
Marketing Campaign, any unused amounts will be returned to the parties in proportion to
each partys contribution.D.
    
    Other Terms. Provided that the parties agree on the amounts of the Orbitz
Marketing Contribution and Galileo Marketing Contribution on a timely basis, Orbitz shall
use commercially reasonable efforts to spend the Total Marketing Dollars on Marketing
Campaigns that will run by April 30, 2010. In connection with each Marketing Campaign,
Orbitz shall provide Galileo with (i) a summary of the payments made under the Marketing
Campaign, and (ii) Orbitzs best estimate of the number of Segments booked as a result of
the Marketing Campaign (delineated by Travelport GDS and, to the extent practicable,
identifying the number of Segments generated during the Marketing Campaign that are
incremental in nature).
 General
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Orbitz Worldwide, LLC
    
    Travelport, LP
By: WS Holdings LLC as General PartnerSignature: /s/ Stephen C. Praven
    
    Signature: /s/ Scott HydenName: Stephen C. Praven
    
    Name: Scott HydenTitle: VP, Business Development
    
    Title: VP, SalesDate: 2/22/10
    
    Date: 3/2/10Travelport Global Distribution System B.V.Signature: /s/ Marco van IeperenName: Marco van IeperenTitle: DirectorDate: 03 March 2010
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Exhibit A
Summary of Marketing Program Terms
 Summary of Terms INSERT DATE
        Orbitz Worldwide, LLC
    
    Travelport, LPBy: WS Holdings LLC as General PartnerSignature:
    
    
    
    Signature:Name:
    
    
    
    Name:Title:
    
    
    
    Title:Date:
    
    
    
    Date:
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