Item 8.01. Other Events.

On December 10, 2012, Teradata Corporation (the "Company") issued a press release announcing that the Board of Directors of the Company approved an increased authorization to repurchase up to an additional $300 million of the Company's shares under its general open market share repurchase program. Under the program, which was initially established in February 2008 and expires in February 2015, the Company may repurchase its common stock on the open market at management's discretion, in accordance with applicable securities rules regarding issuer repurchases. Approximately $81 million of authorization remained available under the repurchase program at the time of the increase in authorization. The Company also maintains an open market dilution offset program under which the Company repurchases shares in the open market to offset shares purchased by employees from the Company under various employee benefit plans. A copy of the press release is attached hereto as Exhibit 99.1 and hereby incorporated by reference.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits

The following exhibit is attached to this Current Report:

Exhibit
No. Description

99.1 Press Release, dated December 10, 2012, issued by the Company.

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