<SEC-DOCUMENT>0000860413-22-000034-index.html : 20220203
<SEC-HEADER>0000860413-22-000034.hdr.sgml : 20220203
<ACCEPTANCE-DATETIME>20220203162721
ACCESSION NUMBER:		0000860413-22-000034
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		4
CONFORMED PERIOD OF REPORT:	20220201
FILED AS OF DATE:		20220203
DATE AS OF CHANGE:		20220203

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			KNIERIEM KARLYN M
		CENTRAL INDEX KEY:			0001741432

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34653
		FILM NUMBER:		22588699

	MAIL ADDRESS:	
		STREET 1:		C/O GREAT WESTERN BANCORP, INC.
		STREET 2:		225 S MAIN AVENUE
		CITY:			SIOUX FALLS
		STATE:			SD
		ZIP:			57104

ISSUER:		

	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

	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>4
<SEQUENCE>1
<FILENAME>wf-form4_164392359460322.xml
<DESCRIPTION>FORM 4
<TEXT>
Document 1 - file: wf-form4_164392359460322.html

Document 1 - RAW XML: wf-form4_164392359460322.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>powerofattorney.htm
<DESCRIPTION>KNIERIEM EXECUTED POA
<TEXT>
Document 2 - file: powerofattorney.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>powerofattorney001.jpg
<DESCRIPTION>EXECUTED POA
<TEXT>
Document 3 - file: powerofattorney001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>powerofattorney002.jpg
<DESCRIPTION>EXECUTED POA
<TEXT>
Document 4 - file: powerofattorney002.jpg

</DOCUMENT>
</SEC-DOCUMENT>