Alliant Energy: Names Gallegos vice president and general counsel

Media Contact: Scott Drzycimski (319) 786-7550

Investor Relations Contact: Susan Gille (608) 458-3956

MADISON, Wis.—November 3, 2010—Alliant Energy Corporation (NYSE: LNT) announced today that it has hired James H. Gallegos as Vice President and General Counsel.

Gallegos brings to Alliant Energy more than 25 years of business and legal experience, including nearly a decade of utility experience. He holds a bachelors degree in business from the University of Colorado and graduated from the University of Minnesota Law Center. He will assume responsibility and oversight of the Alliant Energy’s legal team. Gallegos replaces current Executive Vice President-General Counsel and Chief Administrative Officer Barbara J. Swan, who will retire later this year.

“We’re pleased to welcome Jim to Alliant Energy. His mix of experience with publicly traded companies and in the utility industry has given him the well-rounded skills to lead our talented team of attorneys,” said William D. Harvey, Chairman, President and Chief Executive Officer of Alliant Energy Corporation. “I have full confidence that he will carry on with the success and excellence Barbara has provided our company during her time as general counsel.”

“I did a lot of research on Alliant Energy before accepting this position,” said Gallegos. “I was impressed with their operations, their focus on what’s important for customers and the staff of competent and dedicated lawyers I am going to have the opportunity to work with.”

Gallegos begins his position with Alliant Energy on November 8, 2010.

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 electric 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.

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James H. Gallegos

Vice President and General Counsel

Alliant Energy

EXPERIENCE

Burlington Northern and Santa Fe Corporation

2003-2010 Vice President and Corporate General Counsel

Qwest Communications International Inc (p/k/a U S WEST, Inc)

2001-2003 Vice President – Legal Affairs

1998-2001 Corporate Counsel

1997-1998 Director, Public Policy

1995-1997 Senior Attorney, Regulatory Section

U,S. Department of Justice

1991-1995 Trial Attorney, Criminal Section, Civil Rights Division, Honors Program

US Federal District Court, District of Arizona

1990-1991 Law Clerk

SOO Line Railroad

1986-1987 Market Analyst

Burlington Northern Railroad

1983-1986 Market Analyst

EDUCATION

1990 J.D., University of Minnesota Law Center

1983 B.S., Business, Unviersity of Colorado

HONORS

Selected by Hispanic Busines:

2006: 100 Most Influential Hispanics

2009: Top 25 Hispanic Executives in America