2012-02-09 15:28:07 -

MADISON, Wis. - February 9, 2012 - Alliant Energy Corporation (NYSE: LNT) has
scheduled its fourth quarter and annual 2011 earnings release for Friday,
February 10(th), before the stock market opens.  A conference call to review the
fourth quarter and year-end results is scheduled for the same day at 9:00 a.m.
CT.

Alliant Energy will webcast the event live at www.alliantenergy.com/investors.
The call is open to the public and will be hosted by Bill Harvey, Chairman and
CEO, Pat Kampling, President and COO, and Tom Hanson, 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 17, 2012, 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 412,000 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.


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Source: Alliant Energy Corporation via Thomson Reuters ONE

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