X0306 4 2016-03-08 0 0000816761 TERADATA CORP /DE/ TDC 0001228409 KOEHLER MICHAEL 11695 JOHNS CREEK PKWY JOHNS CREEK GA 30097 1 1 0 0 President and CEO Common Stock 2016-03-08 4 M 0 350000 13.77 A 640203 D Common Stock 2016-03-08 4 S 0 350000 26.785 D 290203 D Common Stock 45000 I By Koehler Family Trust #2 Common Stock 35000 I By Koehler Family Trust #1 Common Stock 11154 I By 401(k) Plan Employee Stock Options 13.77 2016-03-08 4 M 0 350000 0.00 D 2018-12-01 Common Stock 350000 329612 D The price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $26.40 to $27.13. 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. The total beneficial holdings on this report include 287 shares acquired under the Teradata Employee Stock Purchase Plan on February 29, 2016. Represents the number of Teradata shares attributable to units in the unitized Teradata stock fund of the Teradata 401(k) Savings Plan as of February 1, 2016. This option vests in four equal annual installments beginning on December 2, 2009. Laura K. Nyquist, Attorney-in-fact for Michael Koehler 2016-03-10