Wisconsin Power and Light Company Receives Notice of Intent to Sue

Mar 13, 2008, 01:00 ET from Wisconsin Power and Light Company

    MADISON, Wis., March 13 /PRNewswire-FirstCall/ -- Wisconsin Power and
 Light Company (WPL), a subsidiary of Alliant Energy Corporation (NYSE:  
 LNT), has received a notice of intent to sue, on behalf of the Sierra Club
 of Wisconsin.
     (Logo: /Photo: http://www.newscom.com/cgi-bin/prnh/20020405/LNTLOGO)
     The notice claims that WPL did not file its application for renewal of
 an air permit at the Columbia Energy Center in Portage, Wisconsin with the
 Wisconsin Department of Natural Resources (WDNR) on a timely basis, and
 alleges that WPL is currently operating Columbia Energy Center without the
 necessary air permit.
     WPL continues to review the situation, but does not anticipate any
 material impacts to ongoing operations at the Columbia Energy Center. WPL
 is cooperating with the WDNR in the air permit renewal process.
     The Columbia Energy Center is a 1,023 megawatt generating facility,
 located in Portage, Wisconsin. The facility is operated by WPL, and owned
 jointly by WPL, Wisconsin Public Service Corporation, and Madison Gas and
     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 electric and natural
 gas service is the company's primary focus. Wisconsin Power and Light, the
 company's Wisconsin utility subsidiary, serves approximately 450,000
 electric and 175,000 natural gas customers. 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.
     This press release includes forward-looking statements. These
 forward-looking statements can be identified as such because the statements
 include the word "anticipate." Such statements are subject to certain risks
 and uncertainties that could cause actual results to differ materially from
 those currently anticipated. Actual results could be affected by the
 following factors, among others, state or federal regulatory actions or
 local government actions, including inability to obtain all necessary
 approvals and permits current or future litigation, regulatory
 investigations, proceedings or inquiries. These factors should be
 considered when evaluating the forward-looking statements and undue
 reliance should not be placed on such statements. The forward-looking
 statements included herein are made as of the date hereof and Alliant
 Energy and WPL undertake no obligation to update publicly such statements
 to reflect subsequent events or circumstances.

SOURCE Wisconsin Power and Light Company