{"url_path":"/sec/aee/10-k/2026/item-4","section_key":"item-4","section_title":"Item 4 MINE SAFETY DISCLOSURES","topic":"sec","document":{"doc_type":"10-K","doc_date":"2026-02-18","source_url":"https://www.sec.gov/Archives/edgar/data/1002910/0001002910-26-000009-index.html","accession_number":"0001002910-26-000009","cik":"0001002910","ticker":"AEE","issuer_name":"AMEREN CORP","edgar_url":"https://www.sec.gov/Archives/edgar/data/1002910/0001002910-26-000009-index.html","primary_entity_key":"0001002910","primary_entity_name":"AMEREN CORP"},"word_count":673,"has_tables":true,"body_markdown":"ITEM 4.MINE SAFETY DISCLOSURES\n\nNot applicable.\n\n34\n\n[Table](#i379db4a35dfd4fdf8d9a48974b14319e_7)[of Contents](#i379db4a35dfd4fdf8d9a48974b14319e_7)\n\nINFORMATION ABOUT OUR EXECUTIVE OFFICERS:\n\nThe executive officers of the Ameren Companies, including major subsidiaries, are listed below, along with their ages as of December 31, 2025, all their positions and offices held with the Ameren Companies as of February 18, 2026, their tenures as officers, and their titles for at least the last five years.\n\nAMEREN CORPORATION:\n\nNameAgePositionsPeriod\n\nMartin J. Lyons, Jr.59Chairman, President, and Chief Executive Officer; Ameren\nJanuary 2022(a) – Present\n\nChairman and President; Ameren Missouri\nDecember 2019 – January 2022\n\nMichael L. Moehn56Group President, Ameren Utilities; AmerenJanuary 2026 – Present\n\nInterim Chairman and President; Ameren MissouriOctober 2025 – Present\n\nSenior Executive Vice President and Chief Financial Officer; AmerenMarch 2023 – December 2025\n\nChairman and President; Ameren ServicesDecember 2019 – December 2025\n\nExecutive Vice President and Chief Financial Officer; AmerenDecember 2019 – February 2023\n\nLeonard P. Singh56Executive Vice President and Chief Financial Officer; AmerenJanuary 2026 – Present\n\nChairman and President; Ameren ServicesJanuary 2026 – Present\n\nChairman and President; Ameren Illinois\nAugust 2022(b) – December 2025\n\nDavid M. Feinberg56Executive Vice President, General Counsel, and Secretary; Ameren\nNovember 2025(c) – Present\n\nTheresa A. Shaw53Senior Vice President, Chief Accounting and Transformation Officer; AmerenJanuary 2026 – Present\n\nSenior Vice President, Finance, and Chief Accounting Officer; AmerenAugust 2021 – December 2025\n\nSenior Vice President, Regulatory Affairs and Financial Services; Ameren IllinoisSeptember 2019 – August 2021\n\n(a)Elected President and Chief Executive Officer of Ameren in January 2022, and Chairman of Ameren in November 2023.\n\n(b)Leonard P. Singh served as Senior Vice President of Consolidated Edison Company of New York from December 2020 to June 2022.\n\n(c)David M. Feinberg served as Executive Vice President, General Counsel, and Secretary of American Electric Power Company, Inc. from January 2013 to August 2025.\n\n35\n\n[Table](#i379db4a35dfd4fdf8d9a48974b14319e_7)[of Contents](#i379db4a35dfd4fdf8d9a48974b14319e_7)\n\nSUBSIDIARIES:\n\nNameAgePositionsPeriod\n\nAjay K. Arora55Senior Vice President and Chief Development Officer; Ameren MissouriJanuary 2025 – Present\n\nSenior Vice President and Chief Renewable Development Officer; Ameren MissouriSeptember 2022 – December 2024\n\nVice President and Chief Renewable Development Officer; Ameren MissouriDecember 2020 – September 2022\n\nMark C. Lindgren58Executive Vice President, Communications, and Chief Human Resources Officer; Ameren ServicesMarch 2023 – Present\n\nSenior Vice President, Corporate Communications, and Chief Human Resources Officer; Ameren ServicesSeptember 2015 – February 2023\n\nRyan J. Martin52Senior Vice President, Finance; Ameren ServicesJanuary 2026 – Present\n\nSenior Vice President, Corporate Strategy, Risk and Investor Relations; Ameren ServicesMay 2025 – December 2025\n\nVice President, Corporate Strategy, Risk and Investor Relations; Ameren ServicesNovember 2023 – May 2025\n\nVice President, Internal Audit; Ameren ServicesJuly 2018 – November 2023\n\nGwendolyn G. Mizell64Senior Vice President and Chief Sustainability Officer; Ameren ServicesMarch 2023 – Present\n\nVice President, Chief Sustainability, Diversity, & Philanthropy Officer; Ameren ServicesMarch 2022 – February 2023\n\nVice President, Innovation, and Chief Sustainability Officer; Ameren ServicesJanuary 2021 – March 2022\n\nShawn E. Schukar64Chairman and President; ATXIMay 2017 – Present\n\nEric V. Seidler55Senior Vice President, Operations Shared Services; Ameren ServicesJanuary 2026 – Present\n\nSenior Vice President, Supply Chain, Corporate Safety, Security, and Operations Oversight; Ameren ServicesJune 2021 – January 2026\n\nVice President, Engineering and Construction; Ameren ServicesMarch 2015 – June 2021\n\nPatrick E. Smith Sr.61Chairman and President; Ameren Illinois\nJanuary 2026 – Present\n\nSenior Vice President, Operations and Technical Services; Ameren IllinoisNovember 2022 – December 2025\n\nVice President, Economic, Community and Business Development; Ameren MissouriOctober 2021 – November 2022\n\nVice President, Division Operations; Ameren MissouriMay 2016 – October 2021\n\nOfficers are generally elected or appointed annually by the respective board of directors of each company, following the election of board members at the annual meetings of shareholders. No arrangement or understanding exists between any of the above-named executive officers and the Ameren Companies nor with any other person or persons pursuant to which any executive officer was selected as an officer. There are no family relationships among the executive officers or between any executive officer or any director of the Ameren Companies. Except as noted, the above-named executive officers have been employed by an Ameren company for more than five years in executive or management positions.\n\n36\n\n[Table](#i379db4a35dfd4fdf8d9a48974b14319e_7)[of Contents](#i379db4a35dfd4fdf8d9a48974b14319e_7)\n\nPART II"}