{"url_path":"/sec/aee/8-k/2026-02-27/item-9-01","section_key":"item-9-01","section_title":"Item 9.01 ****Financial Statements and Exhibits.**","topic":"sec","document":{"doc_type":"8-K","doc_date":"2026-02-27","source_url":"https://www.sec.gov/Archives/edgar/data/1002910/0001104659-26-021486-index.html","accession_number":"0001104659-26-021486","cik":"0001002910","ticker":"AEE","issuer_name":"AMEREN CORP","edgar_url":"https://www.sec.gov/Archives/edgar/data/1002910/0001104659-26-021486-index.html","primary_entity_key":"0001002910","primary_entity_name":"AMEREN CORP"},"word_count":341,"has_tables":true,"body_markdown":"**ITEM 9.01****Financial Statements and Exhibits.**\n\n \n\n(d)Exhibits\n\n \n\nExhibit Number\n Title\n\n \n  \n\n[1](tm267523d1_ex1.htm)\n [Underwriting Agreement relating to the Bonds, dated February 23, 2026, between Ameren Missouri and the several underwriters named\ntherein, for whom Barclays Capital Inc., BofA Securities, Inc., Mizuho Securities USA LLC, MUFG Securities Americas Inc., and Wells\nFargo Securities, LLC are acting as representatives.](tm267523d1_ex1.htm)\n\n \n  \n\n4.1*\n Indenture of Mortgage and Deed of Trust, dated June 15, 1937, from Ameren Missouri to The Bank of New York Mellon, as successor\ntrustee, as amended May 1, 1941, and Second Supplemental Indenture dated May 1, 1941 (Exhibit B-1, File No. 2-4940).\n\n \n  \n\n[4.2](tm267523d1_ex4-2.htm)\n [Supplemental Indenture, dated February 1, 2026, by and between Ameren Missouri and The Bank of New York Mellon, as successor\ntrustee, relating to the 4.80% First Mortgage Bonds due 2036 and the 5.55% First Mortgage Bonds due 2056.](tm267523d1_ex4-2.htm)\n\n \n  \n\n[5.1](tm267523d1_ex5-1.htm)\n [Opinion of Stephen C. Lee, Esq., Vice President and Deputy General Counsel of Ameren Missouri, regarding the legality of the\nBonds (including consent).](tm267523d1_ex5-1.htm)\n\n \n  \n\n[5.2](tm267523d1_ex5-2.htm)\n [Opinion of Morgan, Lewis & Bockius LLP regarding the legality of the Bonds (including consent).](tm267523d1_ex5-2.htm)\n\n \n  \n\n104\n Cover Page Interactive Data File (formatted as Inline XBRL).\n\n \n\n \n\n* Incorporated by reference as indicated.\n\n \n\nThis combined Form 8-K is being filed separately\nby Ameren Corporation and Union Electric Company (each a “registrant”). Information contained herein relating to any individual\nregistrant has been filed by such registrant on its own behalf. No registrant makes any representation as to information relating to any\nother registrant.\n\n \n\n- 2 -\n\n \n\n \n\n**SIGNATURES**\n\n \n\nPursuant to the requirements of the Securities\nExchange Act of 1934, each registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.\nThe signature for each undersigned company shall be deemed to relate only to matters having reference to such company or its subsidiaries.\n\n \n\n \nAMEREN CORPORATION\n\n \n(Registrant)\n\n \n \n\n \nBy:\n/s/ Leonard P. Singh\n\n \nName:\nLeonard P. Singh\n\n \nTitle:\nExecutive Vice President and Chief Financial Officer\n\n \n \n\n \nUNION ELECTRIC COMPANY\n\n \n(Registrant)\n\n \n \n\n \nBy:\n/s/ Michael L. Moehn\n\n \nName:\nMichael L. Moehn\n\n \nTitle:\nInterim Chairman and President\n\n \n\nDate: February 27, 2026\n\n \n\n- 3 -"}