TERADATA CORP /DE/ — Director's Dealing 2013

May 8, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TERADATA CORP /DE/ (TDC)
CIK: 0000816761
Period of Report: 2013-05-06

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-05-06	Common Stock	I	11071	$51.96	Acquired	11071	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	172164	Direct
Common Stock	40000	Indirect
Common Stock	55000	Indirect
Common Stock	55000	Indirect

Footnotes

F1: Represents the number of Teradata shares attributable to units in the unitized Teradata stock fund of the Teradata 401(k) Savings Plan acquired pursuant to a discretionary transfer into the unitized stock fund.

F2: The total beneficial holdings on this report include 109 shares acquired under the Teradata Employee Stock Purchase Plan on February 28, 2013 and 204 shares acquired on March 28, 2013.