Shareholder Vote

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549     FORM 8-K     CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): May 6, 2021       Commission File Number   Exact Name of Registrant as Specified in Charter; State of Incorporation; Address and Telephone Number   IRS Employer Identification Number 1-14756   Ameren Corporation ( Missouri Corporation) 1901 Chouteau Avenue St. Louis , Missouri 63103 (314) 621-3222   43-1723446       1-2967   Union Electric Company ( Missouri Corporation) 1901 Chouteau Avenue St. Louis , Missouri 63103 (314) 621-3222   43-0559760       1-3672   Ameren Illinois Company ( Illinois Corporation) 10 Executive Drive Collinsville , Illinois 62234 (618) 343-8150   37-0211380     Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrants under any of the following provisions:     ☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)     ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)     ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))     ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) Securities registered pursuant to Section 12(b) of the Act:   Title of each class   Trading Symbol(s)   Name of each exchange on which registered Common Stock, $0.01 par value per share   AEE   New York Stock Exchange Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).        Emerging Growth Company Ameren Corporation    ☐ Union Electric Company    ☐ Ameren Illinois Company    ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.   Ameren Corporation    ☐ Union Electric Company    ☐ Ameren Illinois Company    ☐       ITEM 5.07 Submission of Matters to a Vote of Security Holders. At the annual meeting of shareholders of each of Ameren Corporation (“Ameren”), Union Electric Company, doing business as Ameren Missouri (“Ameren Missouri”), and Ameren Illinois Company, doing business as Ameren Illinois (“Ameren Illinois”), held on May 6, 2021 (“Annual Meeting”), the matters listed below were submitted to a vote of each company’s respective shareholders. Ameren Item (1): Election of Directors At Ameren’s Annual Meeting, the following individuals (comprising Ameren’s full Board of Directors) were elected:   Name    Votes For      Votes Against      Abstentions      Broker Non-Votes   Warner L. Baxter      188,165,519        5,764,116        1,139,840        22,659,841   Cynthia J. Brinkley      193,333,196        1,155,577        580,702        22,659,841   Catherine S. Brune      192,603,220        1,871,575        594,680        22,659,841   J. Edward Coleman      193,034,301        1,419,553        615,621        22,659,841   Ward H. Dickson      193,396,865        1,031,648        640,962        22,659,841   Noelle K. Eder      193,351,478        1,119,202        598,795        22,659,841   Ellen M. Fitzsimmons      193,233,038        1,248,755        587,682        22,659,841   Rafael Flores      193,205,081        1,273,547        590,847        22,659,841   Richard J. Harshman      193,311,628        1,126,029        631,818        22,659,841   Craig S. Ivey      193,367,864        1,089,492        612,119        22,659,841   James C. Johnson      186,614,415        7,853,203        601,857        22,659,841   Steven H. Lipstein      191,442,051        3,032,981        594,443        22,659,841   Leo S. Mackay, Jr.      192,737,654        1,706,206        625,615        22,659,841   Item (2): Non-Binding Advisory Approval of Executive Compensation   Vote Result    Votes For      Votes Against      Abstentions      Broker Non-Votes   Approved      187,270,663        6,642,117        1,156,695        22,659,841   Item (3): Ratification of the Appointment of PricewaterhouseCoopers LLP as Independent Registered Public Accounting Firm for the Fiscal Year Ending December 31, 2021   Vote Result    Votes For      Votes Against      Abstentions      Broker Non-Votes   Approved      209,329,216        7,164,348        1,235,752        —     Ameren Missouri Item (1): Election of Directors At Ameren Missouri’s Annual Meeting, the following individuals (comprising Ameren Missouri’s full Board of Directors) were elected: Mark C. Birk, Fadi M. Diya, Martin J. Lyons, Jr., Michael L. Moehn, and Chonda J. Nwamu. Each individual received 102,123,834 votes for election and no withheld votes, abstentions or broker non-votes. Ameren Illinois Item (1): Election of Directors At Ameren Illinois’ Annual Meeting, the following individuals (comprising Ameren Illinois’ full Board of Directors) were elected: Richard J. Mark, Michael L. Moehn, Chonda J. Nwamu, Theresa A. Shaw and David N. Wakeman. Each individual received 25,452,373 votes for election and no withheld votes, abstentions or broker non-votes.     This combined Form 8-K is being filed separately by Ameren Corporation, Union Electric Company and Ameren Illinois Company (each a “registrant”). Information contained herein relating to any individual registrant has been filed by such registrant on its own behalf. No registrant makes any representation as to information relating to any other registrant. SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, 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.   AMEREN CORPORATION (Registrant) By:   /s/ Chonda J. Nwamu Name:   Chonda J. Nwamu Title:   Senior Vice President, General Counsel and Secretary UNION ELECTRIC COMPANY (Registrant) By:   /s/ Chonda J. Nwamu Name:   Chonda J. Nwamu Title:   Senior Vice President, General Counsel and Secretary AMEREN ILLINOIS COMPANY (Registrant) By:   /s/ Chonda J. Nwamu Name:   Chonda J. Nwamu Title:   Senior Vice President, General Counsel and Secretary Date: May 7, 2021