TERADATA CORP /DE/ — Director's Dealing 2012

May 10, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TERADATA CORP /DE/ (TDC)
CIK: 0000816761
Period of Report: 2012-05-08

Reporting Person: STAVROPOULOS WILLIAM S (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-05-08	Common Stock	M	10710	$15.90	Acquired	50061	Direct
2012-05-08	Common Stock	S	10710	$70.363	Disposed	39351	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-05-08	Director Stock Options	$15.90	M	10710	Disposed	2019-04-27	Common (10710)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	2000	Indirect

Footnotes

F1: The price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $70.21 to $70.54. The reporting person has provided to the issuer and will provide any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.