Material Event Form 8 K

On December 10, 2024, Union Electric Company d/b/a Ameren Missouri (the "Utility") and Ameren Missouri Securitization Funding I, LLC (the "Issuing Entity") entered into an Underwriting Agreement (the "Underwriting Agreement") with Goldman Sachs & Co. LLC and RBC Capital Markets, LLC, as representatives of the underwriters party thereto, with respect to the purchase and sale of $476,121,000 of Securitized Utility Tariff Bonds, Series 2024-A (the "Bonds"), to be issued by the Issuing Entity pursuant to an Indenture and Series Supplement (together, the "Indenture"), each to be dated as of December 20, 2024, the forms of which are annexed hereto as Exhibits 4.1 and 4.2, respectively. The Bonds were offered pursuant to the prospectus dated December 10, 2024 (the "Prospectus"). In connection with the issuance of the Bonds, the Utility and the Issuing Entity also expect to enter into a Securitized Utility Tariff Property Servicing Agreement, Securitized Utility Tariff Property Purchase and Sale Agreement, and Administration Agreement, each to be dated as of December 20, 2024, the forms of which are annexed hereto as Exhibits 10.1, 10.2 and 10.3, respectively, and the Underwriting Agreement is annexed hereto as Exhibit 1.1.

Additionally, effective as of December 10, 2024, the Issuing Entity adopted an Amended and Restated Limited Liability Company Agreement (the "A&R LLC Agreement") in connection with the issuance of the Bonds. The A&R LLC Agreement, which is described in the Prospectus, was previously approved by the Utility, the sole member of the Issuing Entity. The description of the A&R LLC Agreement in the Prospectus is not complete and is qualified in its entirety by reference to the full text of the A&R LLC Agreement, which is annexed hereto as Exhibit 3.2 to this Current Report on Form 8-K and is incorporated by reference herein.