Alliant Energy Corporation Declares Common Stock Dividends

MADISON, Wis., April 13 /PRNewswire-FirstCall/ — Alliant Energy Corporation (NYSE:LNT) announced today quarterly dividends on common stock were declared by the Board of Directors.

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The common stock dividend is $.3175 per share payable May 15, 2007, to shareowners of record on April 30, 2007.

Dividends on common stock have been paid for 246 consecutive quarters since 1946.

Alliant Energy is an energy-services provider with subsidiaries serving approximately 1 million electric and over 420,000 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

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Source: Alliant Energy Corporation