<SEC-DOCUMENT>0001104659-22-091715-index.html : 20220816 <SEC-HEADER>0001104659-22-091715.hdr.sgml : 20220816 <ACCEPTANCE-DATETIME>20220816153253 ACCESSION NUMBER: 0001104659-22-091715 CONFORMED SUBMISSION TYPE: 424B2 PUBLIC DOCUMENT COUNT: 3 FILED AS OF DATE: 20220816 DATE AS OF CHANGE: 20220816 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: 221169904 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>tm2223254-2_424b2.htm <DESCRIPTION>424B2 <TEXT> Document 1 - file: tm2223254-2_424b2.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-FILING FEES <SEQUENCE>2 <FILENAME>tm2223254d4_ex-filingfees.htm <DESCRIPTION>EX-FILING FEES <TEXT> Document 2 - file: tm2223254d4_ex-filingfees.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>3 <FILENAME>lg_amerenillinois-4c.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 3 - file: lg_amerenillinois-4c.jpg
</DOCUMENT> </SEC-DOCUMENT>