<SEC-DOCUMENT>0001193125-15-121452-index.html : 20150407
<SEC-HEADER>0001193125-15-121452.hdr.sgml : 20150407
<ACCEPTANCE-DATETIME>20150407164359
ACCESSION NUMBER:		0001193125-15-121452
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20150407
DATE AS OF CHANGE:		20150407
EFFECTIVENESS DATE:		20150407

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TERADATA CORP /DE/
		CENTRAL INDEX KEY:			0000816761
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRONIC COMPUTERS [3571]
		IRS NUMBER:				753236470
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33458
		FILM NUMBER:		15757179

	BUSINESS ADDRESS:	
		STREET 1:		10000 INNOVATION DRIVE
		CITY:			DAYTON
		STATE:			OH
		ZIP:			45342
		BUSINESS PHONE:		937-242-4800

	MAIL ADDRESS:	
		STREET 1:		10000 INNOVATION DRIVE
		CITY:			DAYTON
		STATE:			OH
		ZIP:			45342
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>d904890ddefa14a.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: d904890ddefa14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g904890200.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g904890200.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g904890img1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g904890img1.jpg

</DOCUMENT>
</SEC-DOCUMENT>