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ALLIANT ENERGY CORP

For the period ended Dec 31, 2024. Filed Feb 21, 2025.

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About this filing

A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.

FY2024 · Filed Feb 21, 2025

LNT$73.24-0.3%Stored close · as of Nov 10, 2026

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Information About Executive Officers

The executive officers of Alliant Energy, IPL and WPL for which information must be included are the same; however, different positions may be held at the various registrants. None of the executive officers for Alliant Energy, IPL or WPL listed below are related to any member of the Board of Directors or nominee for director or any other executive officer. All of the executive officers have no definite terms of office and serve at the pleasure of the Board of Directors. The executive officers of Alliant Energy, IPL and WPL as of the date of this filing are as follows:

NameAge as of Filing DateRegistrantPositions
Lisa M. Barton59Alliant EnergyMs. Barton has served as President and Chief Executive Officer (CEO) and as a director since January 2024. She previously served as President and Chief Operating Officer (COO) since February 2023, as Executive Vice President (VP) and COO of American Electric Power Company, Inc. (AEP) from January 2021 to November 2022, and as Executive VP - Utilities of AEP from January 2020 to December 2020.
IPL and WPL · Ms. Barton has served as CEO since February 2023, and as a director since January 2024.
Robert J. Durian54Alliant Energy, IPL and WPLMr. Durian has served as Executive VP and Chief Financial Officer (CFO) since February 2020. He previously served as Senior VP and CFO since February 2019.
David A. de Leon62Alliant Energy and IPLMr. de Leon has served as Senior VP since January 2019.
WPL · Mr. de Leon has served as President since January 2019.
Mayuri N. Farlinger42Alliant Energy and WPLMs. Farlinger has served as Vice President since January 2022. She previously served as Director of Operations from January 2020 to December 2021.
IPL · Ms. Farlinger has served as President since May 2024.
Raja Sundararajan49Alliant Energy, IPL and WPLMr. Sundararajan has served as Executive VP since June 2023. He previously served as Executive VP - External Affairs of AEP since July 2022, as Senior VP - Regulatory and Customer Solutions of AEP from July 2021 to July 2022, and as President and COO of AEP Ohio from January 2019 to July 2021.
NameAge as of Filing DateRegistrantPositions
Benjamin M. Bilitz50Alliant Energy, IPL and WPLMr. Bilitz has served as Chief Accounting Officer and Controller since December 2016.
Dylan M. Syse39Alliant Energy, IPL and WPLMr. Syse was selected to become Chief Accounting Officer and Controller effective March 2, 2025. He has served as Assistant Controller since November 2021, as Manager - Accounting and Reporting from May 2020 to November 2021, and as Manager - Accounting from May 2018 to April 2020.
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The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.