TERADATA CORP /DE/ — Director's Dealing 2012

Aug 7, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TERADATA CORP /DE/ (TDC)
CIK: 0000816761
Period of Report: 2012-08-03

Reporting Person: Langos Bruce (Chief Operations Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-08-03	Common Stock	M	8000	$24.870	Acquired	79194	Direct
2012-08-03	Common Stock	S	8000	$72.504	Disposed	71194	Direct
2012-08-03	Common Stock	M	5000	$27.98	Acquired	76194	Direct
2012-08-03	Common Stock	M	10000	$13.77	Acquired	86194	Direct
2012-08-03	Common Stock	S	15000	$72.50	Disposed	71194	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-08-03	Employee Stock Options	$24.87	M	8000	Disposed	2017-02-28	Common Stock (8000)	Direct
2012-08-03	Employee Stock Options	$27.98	M	5000	Disposed	2017-09-30	Common Stock (5000)	Direct
2012-08-03	Employee Stock Options	$13.77	M	10000	Disposed	2018-12-01	Common Stock (10000)	Direct

Footnotes

F1: The price in Column 4 is a weighted average price. The prices actually received ranged from $72.50 to $72.55. 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.

F3: This option vests in four equal annual installments beginning on December 2, 2009.