Exhibit 32.1

Certification Pursuant to 18 U.S.C. Section 1350 as adopted pursuant to

Section 906 of the Sarbanes-Oxley Act of 2002

    Pursuant to 18 U.S.C. Section 1350, the undersigned officer of Novelis Inc. (Novelis), hereby certifies that Novelis’ Quarterly Report on Form 10-Q for the period ended September 30, 2024 (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 Novelis.

			/s/ Steven Fisher
			Steven Fisher
			President and Chief Executive Officer
			(Principal Executive Officer)

Date: November 6, 2024

    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.