Related Party Transactions and Outside Related Director Information

Alliant Energy Corporation (LNT)

4/7/2005 and 4/5/2006 Proxy Information

No related party transactions or special relationships reported for this company. Director relationships marked "Outside Related" at this firm will most often be former executives of the company. Additional information regarding these relationships will be added during our regular updates.

4/5/2004 Proxy Information

Mr. Stoppelmoor served as Vice Chairman of Alliant Energy Corporation from April 1998 until April 2000.

4/11/2003 Proxy Information

Mr. Liu served as Vice Chairman of Interstate Power & Light Company, Wisconsin Power and Light Company and Alliant Energy Resources, Inc.