Alliant Energy Corporation Announces Fourth Quarter 2007 Earnings Release and Conference Call

Alliant Energy Corporation Announces Fourth Quarter 2007 Earnings Release and Conference Call

		Alliant Energy is the parent company of two public utility companies--Interstate Power and Light Company (IPL) and Wisconsin Power and Light Company (WPL)--and of Alliant Energy Resources, Inc. (AER), the parent company of Alliant Energy's non-regulated operations. (PRNewsFoto/ALLIANT ENERGY CORPORATION) MADISON, WI UNITED STATES

MADISON, Wis., Feb. 5 /PRNewswire-FirstCall/ -- Alliant Energy Corporation (NYSE: LNT) has scheduled its fourth quarter and annual 2007 earnings release for Wednesday, February 6, before the stock market opens. A conference call to review the fourth quarter results is scheduled for the same day at 9:00 a.m. CT. (Logo: http://www.newscom.com/cgi-bin/prnh/20020405/LNTLOGO) Alliant Energy will webcast the event live at http://www.alliantenergy.com/investors. The call is open to the public and will be hosted by Bill Harvey, Chairman, President and CEO, and Eliot Protsch, Senior Executive Vice President and CFO. Individuals who would like to participate in the conference call can do so by dialing (866) 454-4207 (United States & Canada) or (913) 312-6697 (international), passcode 4784982. A replay of the call will be available through February 13, 2008, at (888) 203-1112 (United States & Canada) or (719) 457-0820 (international). Callers should reference passcode 4784982. An archive of the webcast will also be available on the company's website at http://www.alliantenergy.com/investors. Alliant Energy Corporation is an energy-services provider with subsidiaries serving approximately 1 million electric and over 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.