EXHIBIT 4.6 =================================================================== ============= REGISTRATION RIGHTS AGREEMENT Dated as of November 15, 2001Registration Rights Agreement • December 13th, 2001 • Alliant Energy Resources Inc • Electric & other services combined • New York
ALLIANT ENERGY RESOURCES, INC., Company, ALLIANT ENERGY CORPORATION, As Guarantor, and U.S. BANK NATIONAL ASSOCIATION, as Trustee Third Supplemental Indenture to the Indenture dated as of November 4, 1999Third Supplemental Indenture • December 13th, 2001 • Alliant Energy Resources Inc • Electric & other services combined
