Alliant Energy Corporation Subsidiaries Enter into DOE Loan Guarantee Agreements for $1,626,488,000 and $3,500,000,000 Credit Facilities

On October 26, 2026, Wisconsin Power and Light Company and Interstate Power and Light Company, both wholly owned subsidiaries of Alliant Energy Corporation, entered into loan guarantee agreements and credit facility documents under a U.S. Department of Energy loan guarantee program. The supplied article text is truncated, so it does not specify the financing amount, purpose, or additional terms.