Ameren Corporation

03/04/2026 | Press release | Distributed by Public on 03/04/2026 12:24

Material Event (Form 8-K)

ITEM 8.01 Other Events.

On March 4, 2026, Ameren Corporation ("Ameren") sold $400 million principal amount of its 5.00% Senior Notes due 2036 (the "Notes"). The Notes were offered pursuant to a Registration Statement on Form S-3 (File No. 333-274977), which became effective on October 13, 2023, and a Prospectus Supplement dated February 26, 2026, to a Prospectus dated October 13, 2023. Ameren received net offering proceeds of approximately $396.6 million, before expenses, upon closing of the transaction.

This Current Report on Form 8-K is being filed to report as exhibits certain documents in connection with the offering of the Notes.

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