Alliant Energy to Present at the American Gas Association Financial Forum

MADISON, Wis., April 28 /PRNewswire-FirstCall/ — In connection with the upcoming American Gas Association Financial Forum, Alliant Energy (NYSE:LNT) will webcast its formal presentation to the financial community on Monday afternoon, May 5, at 3:40 p.m. eastern time.


(Logo: http://www.newscom.com/cgi-bin/prnh/20020405/LNTLOGO)


Interested parties can access a live audio webcast of the presentation on the company’s Web site at http://www.alliantenergy.com/investors. A replay of the presentation will be available and archived on the Investor’s section of Alliant Energy’s website for those unable to participate in the live event.


Alliant Energy will post the presentation used in conjunction with the American Gas Association Financial Forum at 1:00 p.m. ET on Sunday, May 4, 2008 at http://www.alliantenergy.com/investors.


About Alliant Energy


Alliant Energy is an energy-services provider with subsidiaries serving approximately 1 million electric and 400,000 natural gas customers. Providing its customers in the Midwest with regulated electric and natural gas service is the company’s primary focus. Interstate Power and Light, the company’s Iowa utility subsidiary headquartered in Cedar Rapids, Iowa, serves approximately 530,000 electric and 235,000 natural gas customers. Alliant Energy 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/.


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Source: Alliant Energy


CONTACT: Media, Rob Crain, +1-608-458-4469, or Investor Relations, Jamie
Freeman, +1-608-458-3274, both of Alliant Energy


Web site: http://www.alliantenergy.com/