TERADATA CORP /DE/ — Director's Dealing 2012

Feb 14, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TERADATA CORP /DE/ (TDC)
CIK: 0000816761
Period of Report: 2012-02-10

Reporting Person: KOEHLER MICHAEL (Director, President and CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-02-10	Common Stock	M	36776	$24.87	Acquired	320607.485	Direct
2012-02-10	Common Stock	S	36776	$61.969	Disposed	283831.485	Direct
2012-02-10	Common Stock	A	46945	—	Acquired	330776.485	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-02-10	Employee Stock Option	$24.87	M	36776	Disposed	2017-02-28	Common Stock (36776)	Direct

Footnotes

F1: The total beneficial holdings on this report include 105.871 shares acquired under the Teradata Employee Stock Purchase Plan on January 31, 2012.

F2: The price in Column 4 is a weighted average price. The prices actually received ranged from $61.91 to $62.01. 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.

F3: Performance-based restricted stock unit award acquired on February 10, 2012, based on the attainment of certain financial performance goals by the issuer.

F4: This option vests in four equal annual installments beginning on March 1, 2008.