Exhibit 15
April 30, 2010
Wyndham Worldwide Corporation
22 Sylvan Way
Parsippany, NJ 07054
We have reviewed, in accordance with the standards of the Public
Company Accounting Oversight Board (United States), the
unaudited interim financial information of Wyndham Worldwide
Corporation and subsidiaries for the three-month periods ended
March 31, 2010, and 2009, as indicated in our report dated
April 30, 2010; because we did not perform an audit, we
expressed no opinion on that information.
We are aware that our report referred to above, which is
included in your Quarterly Report on
Form 10-Q
for the quarter ended March 31, 2010, is incorporated by
reference in Registration Statement
No. 333-136090
on
Form S-8
and Registration Statement
No. 333-155676
on
Form S-3.
We also are aware that the aforementioned report, pursuant to
Rule 436(c) under the Securities Act of 1933, is not
considered a part of the Registration Statement prepared or
certified by an accountant or a report prepared or certified by
an accountant within the meaning of Sections 7 and 11 of
that Act.
/s/ Deloitte &
Touche LLP
Parsippany, New Jersey
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