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Midas Edge

ALLIANT ENERGY CORP

For the period ended Jun 30, 2026. Filed Jul 31, 2026.

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About this filing

A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Jun 30, 2026 · Filed Jul 31, 2026

LNT$73.46+1.1%Stored close · as of Nov 9, 2026

Extracted filing text, with the paragraph anchors used by the comparison.

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Contents

Item 6. Exhibits

The following Exhibits are filed herewith or incorporated herein by reference.

Exhibit NumberDescription
3.1Amended and Restated Bylaws of Alliant Energy, effective July 31, 2026
3.2Amended and Restated Bylaws of IPL, effective July 31, 2026
3.3Amended and Restated Bylaws of WPL, effective July 31, 2026
31.1Certification of the Chief Executive Officer for Alliant Energy
31.2Certification of the Chief Financial Officer for Alliant Energy
31.3Certification of the Chief Executive Officer for IPL
31.4Certification of the Chief Financial Officer for IPL
31.5Certification of the Chief Executive Officer for WPL
31.6Certification of the Chief Financial Officer for WPL
32.1Written Statement of the Chief Executive Officer and Chief Financial Officer Pursuant to 18 U.S.C.§1350 for Alliant Energy
32.2Written Statement of the Chief Executive Officer and Chief Financial Officer Pursuant to 18 U.S.C.§1350 for IPL
32.3Written Statement of the Chief Executive Officer and Chief Financial Officer Pursuant to 18 U.S.C.§1350 for WPL
101.INSInline XBRL Instance Document - the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document
101.SCHInline XBRL Taxonomy Extension Schema Document
101.CALInline XBRL Taxonomy Extension Calculation Linkbase Document
101.LABInline XBRL Taxonomy Extension Label Linkbase Document
101.PREInline XBRL Taxonomy Extension Presentation Linkbase Document
101.DEFInline XBRL Taxonomy Extension Definition Linkbase Document
104Cover Page Interactive Data File (embedded within the Inline XBRL document)
ContentsView on SEC.gov

The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.