Alliant Energy Corporation utility subsidiaries declare preferred stock dividends

   Alliant Energy Corporation utility subsidiaries declare preferred stock
                                  dividends

PR Newswire

MADISON, Wis., Feb. 12, 2013

MADISON, Wis., Feb. 12, 2013 /PRNewswire/ -- Quarterly dividends on preferred
stock have been declared by the Board of Directors of Alliant Energy
Corporation's (NYSE: LNT) utility subsidiaries.

(Logo: http://photos.prnewswire.com/prnh/20020405/LNTLOGO)

Wisconsin Power and Light Company Preferred Stock Dividends
The Board of Directors of Wisconsin Power and Light Company (WPL) has declared
dividends for its preferred stock shareowners of record on February 28, 2013.
The dividends, which are payable on March 15, 2013, are as follows:

  $1.10 per share on the 4.40% series
  $1.125 per share on the 4.50% series
  $1.19 per share on the 4.76% series
  $1.20 per share on the 4.80% series
  $1.24 per share on the 4.96% series
  $1.55 per share on the 6.20% series
  $0.40625 per share on the 6.50% series

Interstate Power and Light Company Preferred Stock Dividends
The Board of Directors of Interstate Power and Light Company (IPL) has
declared dividends for its preferred stock shareowners of record on February
28, 2013. The dividends, which are payable on March 15, 2013, are as follows:

  $0.523438 per share on the 8.375% Series B Cumulative Preferred Stock

WPL and IPL are subsidiaries of Alliant Energy Corporation.

Alliant Energy is an energy-services provider with subsidiaries serving
approximately 1 million electric and over 414,000 natural gas customers.
Providing its customers in the Midwest with regulated electric 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
www.alliantenergy.com.

SOURCE Alliant Energy Corporation

Website: http://www.alliantenergy.com
Contact: Media Contact, Scott Reigstad, +1-608-458-3145, or Investor
Relations, Susan Gille, +1-608-458-3956
 
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