MADISON, Wis., July 23 /EMWNews/ -- Alliant Energy

Corporation (NYSE: LNT) has scheduled its second quarter 2008 earnings

release for Wednesday, August 6, before the stock market opens. A

conference call to review the second quarter results is scheduled for the

same day at 9:00 a.m. CT.



    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

1629947.



    A replay of the call will be available through August 13, 2008, at

(888) 203-1112 (United States & Canada) or (719) 457-0820 (international).

Callers should reference passcode 1629947. 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 .



    Media Contact: Rob Crain (608) 458-4469



    Investor Relations Contact: Jamie Freeman (608) 458-3274