{"url_path":"/sec/aee/10-q/2026/item-6","section_key":"item-6","section_title":"Item 6 EXHIBITS.","topic":"sec","document":{"doc_type":"10-Q","doc_date":"2026-05-08","source_url":"https://www.sec.gov/Archives/edgar/data/1002910/0001002910-26-000015-index.html","accession_number":"0001002910-26-000015","cik":"0001002910","ticker":"AEE","issuer_name":"AMEREN CORP","edgar_url":"https://www.sec.gov/Archives/edgar/data/1002910/0001002910-26-000015-index.html","primary_entity_key":"0001002910","primary_entity_name":"AMEREN CORP"},"word_count":516,"has_tables":true,"body_markdown":"ITEM 6. EXHIBITS.\n\nThe documents listed below are being filed or have previously been filed on behalf of the Ameren Companies and are incorporated herein by reference from the documents indicated and made a part hereof. Exhibits not identified as previously filed are filed herewith.\n\nExhibit\nDesignationRegistrant(s)Nature of ExhibitPreviously Filed as Exhibit to:\n\nInstruments Defining Rights of Security Holders, Including Indentures\n\n4.1Ameren Ameren Missouri\n[Supplemental Indenture to the Ameren Missouri Mortgage dated February 1, 2026, for 4.80% First Mortgage Bonds due 2036 and 5.55% First Mortgage Bonds due 2056](https://www.sec.gov/Archives/edgar/data/1002910/000110465926021486/tm267523d1_ex4-2.htm)\nFebruary 27, 2026 Form 8-K, Exhibit 4.2, File No. 1-2967\n\n4.2Ameren\n[Ameren Indenture Company Order, dated March 4, 2026, establishing the 5.00% Senior Notes due 2036](https://www.sec.gov/Archives/edgar/data/1002910/000110465926023352/tm267933d1_ex4-3.htm)[(inc](https://www.sec.gov/Archives/edgar/data/1002910/000110465926023352/tm267933d1_ex4-4.htm)[luding t](https://www.sec.gov/Archives/edgar/data/1002910/000110465926023352/tm267933d1_ex4-4.htm)[he global notes)](https://www.sec.gov/Archives/edgar/data/1002910/000110465926023352/tm267933d1_ex4-4.htm)\nMarch 4, 2026 Form 8-K, Exhibits 4.3 and 4.4, File No. 1-14756\n\nRule 13a-14(a) / 15d-14(a) Certifications\n\n31.1Ameren\n[Rule 13a-14(a)/15d-14(a) Certification of Principal Executive Officer of Ameren](aee-2026q1xexhibit311.htm)\n\n31.2Ameren\n[Rule 13a-14(a)/15d-14(a) Certification of Principal Financial Officer of Ameren](aee-2026q1xexhibit312.htm)\n\n31.3Ameren Missouri\n[Rule 13a-14(a)/15d-14(a) Certification of Principal Executive Officer](aee-2026q1xexhibit313.htm)[of Ameren Missouri](aee-2026q1xexhibit313.htm)\n\n31.4Ameren Missouri\n[Rule 13a-14(a)/15d-14(a) Certification of Principal Financial Officer of Ameren Missouri](aee-2026q1xexhibit314.htm)\n\n31.5Ameren Illinois\n[Rule 13a-14(a)/15d-14(a) Certification of Principal Executive Officer of Ameren Illinois](aee-2026q1xexhibit315.htm)\n\n31.6Ameren Illinois\n[Rule 13a-14(a)/15d-14(a) Certification of Principal Financial Officer of Ameren Illinois](aee-2026q1xexhibit316.htm)\n\nSection 1350 Certifications\n\n32.1Ameren\n[Section 1350 Certification of Principal Executive Officer and Principal Financial Officer of Ameren](aee-2026q1xexhibit321.htm)\n\n32.2Ameren Missouri\n[Section 1350 Certification of Principal Executive Officer and Principal Financial Officer of Ameren Missouri](aee-2026q1xexhibit322.htm)\n\n32.3Ameren Illinois\n[Section 1350 Certification of Principal Executive Officer and Principal Financial Officer of Ameren Illinois](aee-2026q1xexhibit323.htm)\n\nInteractive Data Files\n\n101.INSAmeren CompaniesInline XBRL Instance Document - the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document\n\n101.SCHAmeren CompaniesInline XBRL Taxonomy Extension Schema Document\n\n101.CALAmeren CompaniesInline XBRL Taxonomy Extension Calculation Linkbase Document\n\n101.LABAmeren CompaniesInline XBRL Taxonomy Extension Label Linkbase Document\n\n101.PREAmeren CompaniesInline XBRL Taxonomy Extension Presentation Linkbase Document\n\n101.DEFAmeren CompaniesInline XBRL Taxonomy Extension Definition Document\n\n104Ameren CompaniesCover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101)\n\nThe file number references for the Ameren Companies’ filings with the SEC are: Ameren, 1-14756; Ameren Missouri, 1-2967; and Ameren Illinois, 1-3672.\n\nEach registrant hereby undertakes to furnish to the SEC upon request a copy of any long-term debt instrument not listed above that such registrant has not filed as an exhibit pursuant to the exemption provided by Item 601(b)(4)(iii)(A) of Regulation S-K.\n\n66\n\nSIGNATURES\n\nPursuant to the requirements of the Exchange Act, each registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized. The signature for each undersigned company shall be deemed to relate only to matters having reference to such company or its subsidiaries.\n\nAMEREN CORPORATION\n(Registrant)\n\n/s/ Leonard P. Singh\n\nLeonard P. Singh\nExecutive Vice President and Chief Financial Officer\n(Principal Financial Officer)\n\nUNION ELECTRIC COMPANY\n(Registrant)\n\n/s/ Leonard P. Singh\n\nLeonard P. Singh\nExecutive Vice President and Chief Financial Officer\n(Principal Financial Officer)\n\nAMEREN ILLINOIS COMPANY\n(Registrant)\n\n/s/ Leonard P. Singh\n\nLeonard P. Singh\nExecutive Vice President and Chief Financial Officer\n(Principal Financial Officer)\n\nDate: May 7, 2026\n\n67"}