ITEM 8.01 Other Events.




On October 9, 2020, Union Electric Company, doing business as Ameren Missouri
("Ameren Missouri"), a subsidiary of Ameren Corporation, sold $550 million
principal amount of its 2.625% First Mortgage Bonds due 2051 (the "Bonds"). The
Bonds were offered pursuant to a Registration Statement on Form
S-3
(File
No. 333-222108-02),
which became effective on December 15, 2017, and a Prospectus Supplement dated
October 1, 2020, to a Prospectus dated December 15, 2017. Ameren Missouri
received net offering proceeds of approximately $542.6 million, before expenses,
upon closing of the transaction. Ameren Missouri intends to use the net offering
proceeds to finance or refinance, in whole or in part, investments in new or
existing green projects meeting certain eligibility criteria.
This Current Report on Form
8-K
is being filed to report as exhibits certain documents in connection with the
offering of the Bonds.

ITEM 9.01 Financial Statements and Exhibits.





(d) Exhibits



Exhibit Number        Title

1                       Underwriting Agreement, dated October 1, 2020, between
                      Ameren Missouri and the several underwriters named therein,
                      for whom Barclays Capital Inc., BofA Securities, Inc. and RBC
                      Capital Markets, LLC are acting as representatives.

4.1*                  Indenture of Mortgage and Deed of Trust, dated June 15, 1937,
                      from Ameren Missouri to The Bank of New York Mellon, as
                      successor trustee, as amended May 1, 1941, and Second
                      Supplemental Indenture dated May 1, 1941 (Exhibit
                      B-1,
                      File No. 2-4940).

4.2                     Supplemental Indenture, dated October 1, 2020, by and
                      between Ameren Missouri and The Bank of New York Mellon, as
                      successor trustee, relating to the 2.625% First Mortgage Bonds
                      due 2051.

5.1                     Opinion of Craig W. Stensland, Esq., Senior Corporate
                      Counsel, Ameren Services Company, regarding the legality of
                      the Bonds (including consent).

5.2                     Opinion of Morgan, Lewis & Bockius LLP regarding the
                      legality of the Bonds (including consent).

104                   Cover Page Interactive Data File (formatted as Inline XBRL).

* Incorporated by reference as indicated.






This combined Form
8-K
is being filed separately by Ameren Corporation and Union Electric Company (each
a "registrant"). Information contained herein relating to any individual
registrant has been filed by such registrant on its own behalf. No registrant
makes any representation as to information relating to any other registrant.

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