X0508 4 2023-08-14 0 0000816761 TERADATA CORP /DE/ TDC 0001829038 Treese Margaret A 17095 VIA DEL CAMPO SAN DIEGO CA 92127 0 1 0 0 Chief Legal Officer 0 Common Stock 2023-08-14 4 S 0 14592 44.7445 D 86169 D The price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $44.73 to $44.81. 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. /s/ Juliet C. Shadoan, Attorney-in-fact for Margaret A. Treese 2023-08-15