Company: AILIM
Filing Date: 2025-09-26
Form Type: 8-K
Source: 0001104659-25-093779
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Company: Ameren Illinois Co
Filing Date: 2025-09-26
Form: 8-K
Item: Item 8.01
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ITEM 8.01      Other Events.  

On September 26, 2025, Ameren Illinois Company
(“ Ameren Illinois”), a subsidiary of Ameren Corporation, sold $350 million principal amount of its 5.625% First Mortgage Bonds
due 2055 (the “ Bonds”). These Bonds are a further issuance of the 5.625% First Mortgage Bonds due 2055 previously issued on
March 3, 2025, in the principal amount of $350 million. The Bonds were offered pursuant to a Registration Statement on Form S-3
(File No. 333-274977-01), which became effective on October 13, 2023, and a Prospectus Supplement dated September 15, 2025,
to a Prospectus dated October 13, 2023. Ameren Illinois received net offering proceeds of approximately $358.1 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 Bonds.