11 unchanged sentences
The executive officers of Alliant Energy, IPL and WPL as of the date of this filing are as follows:
−Removed: Name Age as of Filing Date Registrant Positions
−Removed: Barton 59 Alliant Energy Ms.
+Added: Name Age as of Filing Date Positions
+Added: Barton 60 Ms.
Barton has served as President and Chief Executive Officer (CEO) and as a director since January 2024.
1 unchanged sentence
(AEP) from January 2021 to November 2022, and as Executive VP - Utilities of AEP from January 2020 to December 2020.
−Removed: IPL and WPL Ms.
−Removed: Barton has served as CEO since February 2023, and as a director since January 2024.
−Removed: Durian 54 Alliant Energy, IPL and WPL Mr.
+Added: Durian 55 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.
−Removed: de Leon 62 Alliant Energy and IPL Mr.
+Added: de Leon 63 Mr.
de Leon has served as Senior VP since January 2019.
−Removed: de Leon has served as President since January 2019.
−Removed: Farlinger 42 Alliant Energy and WPL Ms.
−Removed: Farlinger has served as Vice President since January 2022.
+Added: Farlinger 43 Ms.
+Added: Farlinger has served as VP since January 2022.
She previously served as Director of Operations from January 2020 to December 2021.
−Removed: Farlinger has served as President since May 2024.
−Removed: Raja Sundararajan 49 Alliant Energy, IPL and WPL Mr.
−Removed: Sundararajan has served as Executive VP since June 2023.
+Added: Raja Sundararajan 50 Mr.
+Added: Sundararajan has served as Executive VP and Chief Strategy Officer since January 2026.
+Added: He previously 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.
−Removed: Table of C o ntents
−Removed: Name Age as of Filing Date Registrant Positions
−Removed: Bilitz 50 Alliant Energy, IPL and WPL Mr.
−Removed: Bilitz has served as Chief Accounting Officer and Controller since December 2016.
−Removed: Syse 39 Alliant Energy, IPL and WPL Mr.
−Removed: Syse was selected to become Chief Accounting Officer and Controller effective March 2, 2025.
−Removed: 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.
+Added: Name Age as of Filing Date Positions
+Added: Smyth has served as Executive VP of Power Generation and Gas Strategy since April 2025.
+Added: He previously served as Executive VP - Grid Solutions of AEP since December 2024, Executive VP - Grid Solutions & Government Affairs of AEP from April 2023 to December 2024, Senior VP - Grid Solutions of AEP from January 2021 to April 2023, and Senior VP - Transmission Ventures, Strategy & Policy of AEP from October 2018 to December 2020.
+Added: Valcq has served as VP since January 2026.
+Added: She previously served as Assistant Vice President since 2024.
+Added: From 2019 to 2024, she served as Chair of the Public Service Commission of Wisconsin.
+Added: Syse has served as Chief Accounting Officer and Controller since March 2025.
+Added: He previously 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.
Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.