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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
816761	Teradata Corp	TDC	Electronic Computers (3571)	753236470

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1183686	E David Kepler	2030 Dow Center Midland MI 48674		Yes	No	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Acquisiton	2010-11-09	10,710	$15.90	33,703	No	4	M	Direct
Common Stock	Disposition	2010-11-09	4,270	$40.95	29,433	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	M	Direct
No	4	S	Direct

Reported Derivative Transactions

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Director Stock Option	Disposition	2010-11-09	10,710	$0.00	10,710	$15.90

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
0	2010-04-28	2019-04-27	No	4	M	Direct

Footnotes

The price in Column 4 is a weighted average price. The prices actually received ranged from $40.85 to $41.05. 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.
These shares were sold to cover the exercise price and taxes in connection with the exercise of stock options on November 9, 2010, so that a total of 6,440 shares of Teradata stock were acquired after such exercise.