<SEC-DOCUMENT>0000950103-21-014175-index.html : 20210917
<SEC-HEADER>0000950103-21-014175.hdr.sgml : 20210917
<ACCEPTANCE-DATETIME>20210917172609
ACCESSION NUMBER:		0000950103-21-014175
CONFORMED SUBMISSION TYPE:	425
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20210917
DATE AS OF CHANGE:		20210917

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Great Western Bancorp, Inc.
		CENTRAL INDEX KEY:			0001613665
		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
		IRS NUMBER:				471308512
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0930

	FILING VALUES:
		FORM TYPE:		425
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36688
		FILM NUMBER:		211261400

	BUSINESS ADDRESS:	
		STREET 1:		225 S. MAIN AVENUE
		CITY:			SIOUX FALLS
		STATE:			SD
		ZIP:			57104
		BUSINESS PHONE:		605-334-2548

	MAIL ADDRESS:	
		STREET 1:		225 S. MAIN AVENUE
		CITY:			SIOUX FALLS
		STATE:			SD
		ZIP:			57104

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			FIRST INTERSTATE BANCSYSTEM INC
		CENTRAL INDEX KEY:			0000860413
		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
		IRS NUMBER:				810331430
		STATE OF INCORPORATION:			MT
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		425

	BUSINESS ADDRESS:	
		STREET 1:		P O BOX 30918
		STREET 2:		401 NO 31ST STREET
		CITY:			BILLINGS
		STATE:			MT
		ZIP:			59116-0918
		BUSINESS PHONE:		4062555300

	MAIL ADDRESS:	
		STREET 1:		P O BOX 30918
		STREET 2:		401 NO 31ST STREET
		CITY:			BILLINGS
		STATE:			MT
		ZIP:			59116-0918

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FIRST INTERSTATE BANCSYSTEM OF MONTANA INC
		DATE OF NAME CHANGE:	19930615
</SEC-HEADER>
<DOCUMENT>
<TYPE>425
<SEQUENCE>1
<FILENAME>dp158072_425-call.htm
<DESCRIPTION>FORM 425
<TEXT>
Document 1 - file: dp158072_425-call.htm

</DOCUMENT>
</SEC-DOCUMENT>