Modified · A. GENERAL

1) IPL - is a public utility engaged principally in the generation and distribution of electricity and the distribution and transportation of natural gas to retail customers in select markets in Iowa. IPL provides utility services to incorporated communities as directed by the IUC and utilizes non-exclusive franchises, which cover the use of public right-of-ways for utility facilities in incorporated communities for a maximum term of 25 years. At December 31, 20242025, IPL supplied electric and natural gas service to approximately 500,000505,000 and 230,000 retail customers, respectively, in Iowa. IPL also sells electricity to wholesale customers in Minnesota (IPL’s related wholesale power agreement expires July 2025), Illinois and Iowa. IPL is also and was engaged in the generation and distribution of steam for two customers in Cedar Rapids, Iowa, which arewere each under contract through 2025 for taking minimum quantities of annual steam usage, with certain conditions, after which IPL expects to exit. Subsequent to December 31, 2025, IPL exited the steam business.