United Airlines 2007 Annual Report Download - page 187

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Exhibit 32.1
Certification of UAL Corporation
Pursuant to 18 U.S.C. 1350
(Section 906 of the Sarbanes-Oxley Act of 2002)
Each undersigned officer certifies that to the best of his knowledge based on a review of the annual report on Form 10-K for the period ended December 31,
2007 of UAL Corporation (the "Report"):
(1)
The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and
(2)
The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of UAL
Corporation.
Date: February 28, 2008
/s/ Glenn F. Tilton
Glenn F. Tilton
Chairman, President and
Chief Executive Officer
/s/ Frederic F. Brace
Frederic F. Brace
Executive Vice President and
Chief Financial Officer
Source: UNITED AIR LINES INC, 10-K, February 29, 2008