Interstate Power and Light Company declares preferred stock dividend

CEDAR RAPIDS, Iowa, May 12, 2020 (GLOBE NEWSWIRE) -- The Board of Directors of Alliant Energy's Iowa utility, Interstate Power and Light Company (IPL), has declared dividends for its preferred stock IPLDP shareowners of record on May 29, 2020. The dividends, which are payable on June 15, 2020, are as follows:

     $0.31875 per share on the 5.1% Series D Cumulative Preferred Stock

Alliant Energy Corporation LNT, headquartered in Madison, Wis., provides regulated electric and natural gas service to 970,000 electric and 420,000 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.

Media Contact: Scott Reigstad (608) 458-3145

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