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AMEREN CORP

For the period ended Dec 31, 2025. Filed Feb 18, 2026.

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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.

FY2025 · Filed Feb 18, 2026

AEE$114.02+1.0%Stored close · as of Nov 9, 2026

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

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Contents

SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, each registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized. The signatures for each undersigned company shall be deemed to relate only to matters having reference to such company or its subsidiaries.

AMEREN CORPORATION (registrant)
Date:February 18, 2026By/s/ Martin J. Lyons, Jr.
Martin J. Lyons, Jr.Chairman, President, and Chief Executive Officer

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the date indicated.

/s/ Martin J. Lyons, Jr.Chairman, President, and Chief Executive Officer, and Director (Principal Executive Officer)February 18, 2026
Martin J. Lyons, Jr.
/s/ Leonard P. SinghExecutive Vice President and Chief Financial Officer(Principal Financial Officer)February 18, 2026
Leonard P. Singh
/s/ Theresa A. ShawSenior Vice President, Chief Accounting and Transformation Officer (Principal Accounting Officer)February 18, 2026
Theresa A. Shaw
*DirectorFebruary 18, 2026
Cynthia J. Brinkley
*DirectorFebruary 18, 2026
Catherine S. Brune
*DirectorFebruary 18, 2026
Ward H. Dickson
*DirectorFebruary 18, 2026
Jamie L. Engstrom
*DirectorFebruary 18, 2026
Ellen M. Fitzsimmons
*DirectorFebruary 18, 2026
Rafael Flores
*DirectorFebruary 18, 2026
Richard J. Harshman
*DirectorFebruary 18, 2026
Craig S. Ivey
*DirectorFebruary 18, 2026
Steven H. Lipstein
*DirectorFebruary 18, 2026
Leo S. Mackay, Jr.
*DirectorFebruary 18, 2026
Steven O. Vondran
*By/s/ Leonard P. SinghFebruary 18, 2026
Leonard P. Singh
Attorney-in-Fact
UNION ELECTRIC COMPANY (registrant)
Date:February 18, 2026By/s/ Michael L. Moehn
Michael L. MoehnInterim Chairman and President

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the date indicated.

/s/ Michael L. MoehnInterim Chairman and President, and Director (Principal Executive Officer)February 18, 2026
Michael L. Moehn
/s/ Leonard P. SinghExecutive Vice President and Chief Financial Officer(Principal Financial Officer)February 18, 2026
Leonard P. Singh
/s/ Theresa A. ShawSenior Vice President, Chief Accounting and Transformation Officer (Principal Accounting Officer)February 18, 2026
Theresa A. Shaw
*DirectorFebruary 18, 2026
Ajay K. Arora
*DirectorFebruary 18, 2026
Ryan J. Martin
*By/s/ Leonard P. SinghFebruary 18, 2026
Leonard P. Singh
Attorney-in-Fact
AMEREN ILLINOIS COMPANY (registrant)
Date:February 18, 2026By/s/ Patrick E. Smith Sr.
Patrick E. Smith Sr.Chairman and President

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the date indicated.

/s/ Patrick E. Smith Sr.Chairman and President, and Director(Principal Executive Officer)February 18, 2026
Patrick E. Smith Sr.
/s/ Leonard P. SinghExecutive Vice President and Chief Financial Officer, and Director (Principal Financial Officer)February 18, 2026
Leonard P. Singh
/s/ Theresa A. ShawSenior Vice President, Chief Accounting and Transformation Officer, and Director (Principal Accounting Officer)February 18, 2026
Theresa A. Shaw
*DirectorFebruary 18, 2026
Michael L. Moehn
*By/s/ Leonard P. SinghFebruary 18, 2026
Leonard P. Singh
Attorney-in-Fact
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.