    <SEC-DOCUMENT>0001140361-22-011578-index.html : 20220329
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    <ACCEPTANCE-DATETIME>20220329140512
    ACCESSION NUMBER:		0001140361-22-011578
    CONFORMED SUBMISSION TYPE:	DEFA14A
    PUBLIC DOCUMENT COUNT:		3
    FILED AS OF DATE:		20220329
    DATE AS OF CHANGE:		20220329

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			UNION PACIFIC CORP
    		CENTRAL INDEX KEY:			0000100885
    		STANDARD INDUSTRIAL CLASSIFICATION:	RAILROADS, LINE-HAUL OPERATING [4011]
    		IRS NUMBER:				132626465
    		STATE OF INCORPORATION:			UT
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		DEFA14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-06075
    		FILM NUMBER:		22779717

    	BUSINESS ADDRESS:
    		STREET 1:		1400 DOUGLAS STREET
    		STREET 2:		STOP 0310
    		CITY:			OMAHA
    		STATE:			NE
    		ZIP:			68179
    		BUSINESS PHONE:		402 544 6763

    	MAIL ADDRESS:
    		STREET 1:		1400 DOUGLAS STREET
    		STREET 2:		STOP 0310
    		CITY:			OMAHA
    		STATE:			NE
    		ZIP:			68179
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEFA14A
    <SEQUENCE>1
    <FILENAME>ny20001752x2_defa14a.htm
    <DESCRIPTION>DEFA14A
    <TEXT>
    Document 1 - file: ny20001752x2_defa14a.htm

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    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>ny20001752x2_nc01.jpg
    <TEXT>
    Document 2 - file: ny20001752x2_nc01.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>ny20001752x2_nc02.jpg
    <TEXT>
    Document 3 - file: ny20001752x2_nc02.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>