TERADATA CORP /DE/ — Director's Dealing 2011

Mar 9, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TERADATA CORP /DE/ (TDC)
CIK: 0000816761
Period of Report: 2011-03-07

Reporting Person: Davis Saundra (VP, Human Resources)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-03-07	Common Stock	M	5000	$13.77	Acquired	35317.626	Direct
2011-03-07	Common Stock	S	5000	$49.361	Disposed	30317.626	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-03-07	Employee Stock Option	$13.77	M	5000	Disposed	2018-12-02	Common Stock (5000)	Direct

Footnotes

F1: The price in Column 4 is a weighted average price. The prices actually received ranged from $49.36 to $49.38. 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.

F2: This option vests in four equal annual installments beginning on December 2, 2009.