Alliant Energy Corporation (NASDAQ:LNT) Q1 2023 Results Conference Call May 5, 2023 10:00 AM ET Company Participants Susan Gille - Manager of IR John Larsen - Chairman and CEO Robert Durian - Executive VP and CFO Conference Call Participants Dariusz Lozny - Bank of America Operator Good morning, and welcome to Alliant Energy Conference Call for First Quarter 2023 Results. This call is being recorded for rebroadcast. At this time, all lines are in a listen-only mode. I would now like to turn the call over to ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Name of Registrant, State of Incorporation, Address of Principal Executive Offices, Telephone Number, Commission File Number, IRS Employer Identific ...

Alliant Energy Corporation (NASDAQ:LNT) Q4 2022 Earnings Conference Call February 24, 2023 10:00 AM ET Company Participants Susan Gille - IR Manager John Larsen - Chair, President and CEO Robert Durian - EVP and CFO Conference Call Participants Shahriar Pourreza - Guggenheim Partners Julien Dumoulin-Smith - Bank of America Nicholas Campanella - Credit Suisse Andrew Weisel - Scotiabank Alexander Mortimer - Mizuho Ashar Khan - Verition Operator Good morning, and welcome to Alliant Energy's Conference Call for ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Name of Registrant, State of Incorporation, Address of Principal Executive Offices, Telephone Number, Commission File Number, IRS Employer Identification ...

| --- | --- | --- | --- | |-------|-------|-----------------------------------------------|----------------------------| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Alliant Energy Corporation | | | | 2022 Year End Earnings Call February 24, 2023 | | Cautionary Statements Forward-looking Statements The information regarding forecasted earnings per share, forecasted effective income tax rates, forecasted financing plans and regulatory plans contain forward-looking statements. Actual re ...