Alliant Energy Senior Vice President and Chief Financial Officer Tom Hanson announces retirement

MADISON, Wis., Sept. 23, 2016

"Tom's thoughtful leadership and deep understanding of our industry have brought value and growth to all areas of Alliant Energy," said Patricia Kampling, Chairman, President and CEO. "The strong relationships he developed across our company, industry and investor community made a difference for our customers, employees and shareowners. We wish Tom and his family all the best as he transitions to a new phase of his life."

Robert has been with the company since 1992 and has held a variety of leadership roles. He was named Controller in 2010, Chief Accounting Officer in 2011 and Vice President in 2015. He was named Treasurer earlier this year. Robert is a CPA and holds a bachelor's degree in accounting from the University of Northern Iowa and an MBA from the University of Wisconsin – Madison.

Also on December 1, Alliant Energy Controller Ben Bilitz will take on the additional role of Chief Accounting Officer. Ben joined the company as Assistant Controller in 2011. Prior to joining Alliant Energy, he spent 11 years in public accounting, including as a Senior Audit Manager at Deloitte & Touche LLP. Ben is a CPA and holds a bachelor's degree in accounting from the University of Wisconsin – Whitewater.

A complete listing of company executives and their biographies is available online at alliantenergy.com/executives.

Alliant Energy Corporation (NYSE: LNT), headquartered in Madison, Wis., provides regulated electric and natural gas service to 950,000 electric and 410,000 natural gas customers across Iowa and Wisconsin. Alliant Energy's mission is to deliver the energy solutions and exceptional service customers and communities count on – safely, efficiently and responsibly. Interstate Power and Light Company and Wisconsin Power and Light Company are Alliant Energy's two public utility subsidiaries. Alliant Energy Corporation is a component of the S&P 500. For more information, visit alliantenergy.com.

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