Alliant Energy Corporation Announces Receipt of Special Litigation Committee Report and Motion to Dismiss Shareowner Derivative

MADISON, Wis., Sept. 16 /PRNewswire-FirstCall/ -- Alliant Energy Corporation (NYSE:LNT) announced today that it had received a report of the special litigation committee of independent members of Alliant Energy's Board of Directors that determined that maintenance of the previously disclosed derivative proceeding by a purported shareowner against certain current and former officers and directors of Alliant Energy is not in the best interests of Alliant Energy. Based on such report, Alliant Energy filed a motion to dismiss the derivative proceeding in the Circuit Court for Dane County, Wisconsin. (Logo: http://www.newscom.com/cgi-bin/prnh/20020405/LNTLOGO) Alliant Energy is the parent company of two public utility companies - Interstate Power and Light Company and Wisconsin Power and Light Company - and of Alliant Energy Resources, LLC, the parent company of Alliant Energy's non-regulated operations. Alliant Energy is an energy-services provider with subsidiaries serving approximately 1 million electric and 400,000 natural gas customers. Providing its customers in the Midwest with regulated electricity and natural gas service is the Company's primary focus. Alliant Energy, headquartered in Madison, Wis., is a Fortune 1000 company traded on the New York Stock Exchange under the symbol LNT. For more information, visit the Company's Web site at http://www.alliantenergy.com/. http://www.newscom.com/cgi-bin/prnh/20020405/LNTLOGO http://photoarchive.ap.org/ DATASOURCE: Alliant Energy Corporation CONTACT: Media, Rob Crain, +1-608-458-4469, or Investors, Susan Gille, +1-608-458-3956, both of Alliant Energy Corporation Web Site: http://www.alliantenergy.com/