Item 4. MINE SAFETY DISCLOSURES

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Item 4. MINE SAFETY DISCLOSURES

None.

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:


Name	Age as of Filing Date	Registrant	Positions
John O. Larsen	60	Alliant Energy	Mr. Larsen has served as a director since February 2019, and as Executive Chairman and Chairman of the Board since January 2024. He previously served as Chair of the Board and Chief Executive Officer (CEO) since February 2023, as Chair of the Board, President and CEO from July 2019 to February 2023, and as President and Chief Operating Officer (COO) from January 2019 to July 2019.
		IPL and WPL	Mr. Larsen has served as a director since February 2019, and as Executive Chairman and Chairman of the Board since January 2024. He previously served as Chair of the Board since July 2019, and as CEO from January 2019 to February 2023.
Lisa M. Barton	58	Alliant Energy	Ms. Barton has served as President and CEO and as a director since January 2024. She previously served as President and COO since February 2023, as Executive Vice President (VP) and COO of American Electric Power Company, Inc. (AEP) from January 2021 to November 2022, as Executive VP - Utilities of AEP from January 2020 to December 2020, and as Executive VP - Transmission of AEP from 2011 to 2019.
		IPL and WPL	Ms. Barton has served as CEO since February 2023, and as a director since January 2024.


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Table of C o ntents


Name	Age as of Filing Date	Registrant	Positions
Robert J. Durian	53	Alliant Energy, IPL and WPL	Mr. 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; and as Senior VP, CFO and Treasurer from January 2018 to February 2019.
David A. de Leon	61	Alliant Energy and IPL	Mr. de Leon has served as Senior VP since January 2019.
		WPL	Mr. de Leon has served as President since January 2019.
Terry L. Kouba	65	Alliant Energy and WPL	Mr. Kouba has served as Senior VP since January 2019. Mr. Kouba plans to retire effective May 1, 2024.
		IPL	Mr. Kouba has served as President since January 2019.
Mayuri N. Farlinger	41	Alliant Energy and WPL	Ms. Farlinger has served as Vice President since January 2022. She previously served as Director of Operations from January 2020 to December 2021, as Director of Revenue Management from February 2019 to January 2020, and as Manager - Customer Support Center, Billing Integrity from May 2018 to February 2019.
		IPL	Ms. Farlinger has served as Vice President since January 2022. She was selected to become President of IPL effective May 1, 2024.
Raja Sundararajan	49	Alliant Energy, IPL and WPL	Mr. 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.
Benjamin M. Bilitz	48	Alliant Energy, IPL and WPL	Mr. Bilitz has served as Chief Accounting Officer and Controller since December 2016.

PART II

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