Alliant Energy Corporation Announces Year-End 2012 Earnings Release And Conference Call

   Alliant Energy Corporation Announces Year-End 2012 Earnings Release And
                               Conference Call

PR Newswire

MADISON, Wis., Feb. 4, 2013

MADISON, Wis., Feb. 4, 2013 /PRNewswire/ --Alliant Energy Corporation (NYSE:
LNT) has scheduled its year-end 2012 earnings release for Thursday, February
14th, before the stock market opens. A conference call to review the year-end
results is scheduled for the same day at 9:00 a.m. CT.

(Logo: http://photos.prnewswire.com/prnh/20020405/LNTLOGO)

Alliant Energy will webcast the event live at www.alliantenergy.com/investors.
The call is open to the public and will be hosted by Patricia Kampling,
Chairman, President and CEO, and Tom Hanson, Senior Vice President and CFO.
Individuals who would like to participate in the conference call can do so by
dialing (888) 221-9591 (United States & Canada) or (913) 312-1434
(international), passcode 8244179.

A replay of the call will be available through February 21, 2013, at (888)
203-1112 (United States & Canada) or (719) 457-0820 (international). Callers
should reference passcode 8244179. An archive of the webcast will also be
available on the company's website at www.alliantenergy.com/investors.

Alliant Energy Corporation is an energy-services provider with subsidiaries
serving approximately 1 million electric and over 414,000 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 www.alliantenergy.com.

SOURCE Alliant Energy Corporation

Website: http://www.alliantenergy.com
Contact: Media, Scott Reigstad, +1-608-458-3145, or Investor Relations, Susan
Gille, +1-608-458-3956