<SEC-DOCUMENT>0001104659-21-084623-index.html : 20210623 <SEC-HEADER>0001104659-21-084623.hdr.sgml : 20210623 <ACCEPTANCE-DATETIME>20210623160727 ACCESSION NUMBER: 0001104659-21-084623 CONFORMED SUBMISSION TYPE: 424B2 PUBLIC DOCUMENT COUNT: 2 FILED AS OF DATE: 20210623 DATE AS OF CHANGE: 20210623 FILER: COMPANY DATA: COMPANY CONFORMED NAME: Ameren Illinois Co CENTRAL INDEX KEY: 0000018654 STANDARD INDUSTRIAL CLASSIFICATION: ELECTRIC & OTHER SERVICES COMBINED [4931] IRS NUMBER: 370211380 STATE OF INCORPORATION: IL FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 424B2 SEC ACT: 1933 Act SEC FILE NUMBER: 333-249475-02 FILM NUMBER: 211038796 BUSINESS ADDRESS: STREET 1: 10 EXECUTIVE DRIVE CITY: COLLINSVILLE STATE: IL ZIP: 62234 BUSINESS PHONE: 618-343-8150 MAIL ADDRESS: STREET 1: 10 EXECUTIVE DRIVE CITY: COLLINSVILLE STATE: IL ZIP: 62234 FORMER COMPANY: FORMER CONFORMED NAME: CENTRAL ILLINOIS PUBLIC SERVICE CO DATE OF NAME CHANGE: 19920703 </SEC-HEADER> <DOCUMENT> <TYPE>424B2 <SEQUENCE>1 <FILENAME>tm2120168-4_424b2.htm <DESCRIPTION>424B2 <TEXT> Document 1 - file: tm2120168-4_424b2.htm
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