Alliant Energy Corporation (NASDAQ:LNT) has scheduled its first quarter earnings release for Thursday, April 30^th, after market close. A conference call to review the first quarter results is scheduled for Friday, May 1^st at 9 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 Lisa Barton, President and CEO; and Robert Durian, Executive Vice President and CFO. Individuals who would like to participate in the conference call can do so by dialing (800) 715-9871 (Toll Free – North America) or (646) 307-1963 (International). The conference ID is 9124041.

An archive of the webcast will be available on the company's website at www.alliantenergy.com/investors.

Alliant Energy Corporation (NASDAQ:LNT) provides regulated energy service to approximately 1,010,000 electric and 435,000 natural gas customers across Iowa and Wisconsin. Alliant Energy's mission is to deliver energy solutions and exceptional service customers and communities count on – safely, efficiently and responsibly. Interstate Power and Light Company (IPL) and Wisconsin Power and Light Company (WPL) are Alliant Energy's two public energy companies. Alliant Energy is a component of the S&P 500. For more information, visit alliantenergy.com and follow Alliant Energy on LinkedIn, Facebook, Instagram and X.

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

Alliant Energy Corporation Announces First Quarter Earnings Release and Conference Call