EX-4
from 10-K
~5
pages
Fifth Supplemental Indenture Dated as of November 25, 2008 Alliant Energy Resources, Inc., Company, Alliant Energy Corporation, as Guarantor, and U.S. Bank National Association, Successor by Merger to Firstar Bank, N.A., as Trustee Fifth Supplemental Indenture to the Indenture Dated as of November 4, 1999
12/34/56