TERADATA CORP /DE/ — Director's Dealing 2012

Feb 16, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TERADATA CORP /DE/ (TDC)
CIK: 0000816761
Period of Report: 2012-02-14

Reporting Person: Langos Bruce (Chief Operations Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-02-14	Common Stock	M	7930	$21.39	Acquired	92255	Direct
2012-02-14	Common Stock	S	7930	$62.034	Disposed	84325	Direct
2012-02-14	Common Stock	M	13695	$18.42	Acquired	98020	Direct
2012-02-14	Common Stock	S	13695	$62.066	Disposed	84325	Direct
2012-02-14	Common Stock	F	3131	$62.16	Disposed	81194	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-02-14	Employee Stock Options	$21.39	M	7930	Disposed	2016-05-29	Common Stock (7930)	Direct
2012-02-14	Employee Stock Options	$18.42	M	13695	Disposed	2016-09-06	Common Stock (13695)	Direct

Footnotes

F1: The price in Column 4 is a weighted average price. The prices actually received ranged from $62.00 to $62.12. 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: The price in Column 4 is a weighted average price. The prices actually received ranged from $62.01 to $62.11. 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: Shares withheld by the company and disposed of to satisfy tax obligation for performance-based restricted stock units that vested on February 14, 2012.

F4: This option is fully exercisable.