EX-32.1 SECTION 906 CERTIFICATION OF THE PEO
Published on November 9, 2007
Exhibit 32.1
Section 906 Certification of Principal Executive Officer
Pursuant to 18 U.S.C. Section 1350, the undersigned officer of Novelis Inc. (the Company),
hereby certifies that the Companys Quarterly Report on Form 10-Q for the period ended September
30, 2007 (the Report) fully complies with the requirements of Section 13(a) or Section 15(d), as
applicable, of the Securities Exchange Act of 1934, as amended, and that the information contained
in the Report fairly presents, in all material respects, the financial condition and results of
operations of the Company.
| /s/ Martha Finn Brooks | ||||
| Martha Finn Brooks | ||||
| President and Chief Operating Officer (Principal Executive Officer) |
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Date: November 9, 2007
The foregoing certification is being furnished solely pursuant to 18 U.S.C. Section 1350 and
is not being filed as part of this Report.