TERADATA CORP /DE/ — Director's Dealing 2012

Mar 15, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TERADATA CORP /DE/ (TDC)
CIK: 0000816761
Period of Report: 2012-03-13

Reporting Person: Harrington Daniel L (EVP, Technology & Support Svcs)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-03-13	Common Stock	M	11498	$21.01	Acquired	67768	Direct
2012-03-13	Common Stock	M	12292	$20.84	Acquired	80060	Direct
2012-03-13	Common Stock	M	18552	$22.31	Acquired	98612	Direct
2012-03-13	Common Stock	M	9806	$24.87	Acquired	108418	Direct
2012-03-13	Common Stock	M	25376	$27.98	Acquired	133794	Direct
2012-03-13	Common Stock	M	20981	$30.68	Acquired	154775	Direct
2012-03-13	Common Stock	M	9954	$41.09	Acquired	164729	Direct
2012-03-13	Common Stock	S	119763	$67.0003	Disposed	44966	Direct
2012-03-14	Common Stock	M	5000	$13.77	Acquired	49966	Direct
2012-03-14	Common Stock	S	5000	$67.12	Disposed	44966	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-03-13	Employee Stock Options	$21.01	M	11498	Disposed	2015-03-01	Common Stock (11498)	Direct
2012-03-13	Employee Stock Options	$20.84	M	12292	Disposed	2016-02-13	Common Stock (12292)	Direct
2012-03-13	Employee Stock Options	$22.31	M	18552	Disposed	2016-10-31	Common Stock (18552)	Direct
2012-03-13	Employee Stock Options	$24.87	M	9806	Disposed	2017-02-28	Common Stock (9806)	Direct
2012-03-13	Employee Stock Options	$27.98	M	25376	Disposed	2017-09-30	Common Stock (25376)	Direct
2012-03-13	Employee Stock Options	$30.68	M	20981	Disposed	2019-11-30	Common Stock (20981)	Direct
2012-03-13	Employee Stock Options	$41.09	M	9954	Disposed	2020-11-29	Common Stock (9954)	Direct
2012-03-14	Employee Stock Options	$13.77	M	5000	Disposed	2018-12-01	Common Stock (5000)	Direct

Footnotes

F1: The price in Column 4 is a weighted average price. The prices actually received ranged from $67.00 to $67.04. 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: Sale of shares pursuant to Rule 10b5-1 Plan adopted on November 28, 2011.

F3: This option is fully exercisable.

F4: This option vests in four equal annual installments beginning on December 1, 2010.

F5: This option vests in four equal annual installments beginning on November 30, 2011.

F6: This option vests in four equal annual installments beginning on December 2, 2009.