TERADATA CORP /DE/ — Director's Dealing 2010

Nov 10, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TERADATA CORP /DE/ (TDC)
CIK: 0000816761
Period of Report: 2010-11-08

Reporting Person: Nyquist Laura K (General Counsel & Secretary)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-11-08	Common Stock	M	4452	$7.37	Acquired	26218.876	Direct
2010-11-08	Common Stock	S	4452	$40.961	Disposed	21766.876	Direct
2010-11-08	Common Stock	M	7421	$12.21	Acquired	29187.876	Direct
2010-11-08	Common Stock	S	7421	$40.963	Disposed	21766.876	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-11-08	Employee Stock Option	$7.37	M	4452	Disposed	2013-08-04	Common Stock (4452)	Direct
2010-11-08	Employee Stock Option	$12.21	M	7421	Disposed	2014-03-01	Common Stock (7421)	Direct

Footnotes

F1: The price in Column 4 is a weighted average price. The prices actually received ranged from $40.96 to $40.97. 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 is fully exercisable.