Alliant Energy Corporation Utility Subsidiaries Declare Preferred Stock Dividends

MADISON, Wis., Nov. 12, 2010 /PRNewswire via COMTEX/ -- 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) (Logo: http://www.newscom.com/cgi-bin/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 November 30, 2010.

The dividends, which are payable on December 15, 2010, 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 November 30, 2010.

The dividends, which are payable on December 15, 2010, are as follows: $0.523438 per share on the 8.375% Series B Cumulative Preferred Stock $0.443750 per share on the 7.10% Series C 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 412,000 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 www.prnewswire.com Copyright (C) 2010 PR Newswire. All rights reserved -0- KEYWORD: Wisconsin INDUSTRY KEYWORD: UTI

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