144 0001736419 XXXXXXXX LIVE 0000816761 TERADATA CORP /DE/ 001-33458 17095 VIA DEL CAMPO SAN DIEGO CA 92127 866-548-8348 Lynrock Lake Master Fund LP 10% Stockholder Common Stock Jefferies LLC

520 Madison Avenue New York NY 10022

37239 1088495.97 93200000 02/11/2026 NYSE Common Stock Wells Fargo Clearing Services

One North Jefferson Avenue St. Louis MO 63103

2400 70152.00 93200000 02/11/2026 NYSE Common Stock JP Morgan Securities LLC

383 Madison Avenue New York NY 10179

10256 299782.88 93200000 02/11/2026 NYSE Common Stock TD Securities (USA) LLC

125 Park Avenue New York NY 10017

3360 98212.80 93200000 02/11/2026 NYSE Common Stock Merrill Lynch, Pierce, Fenner & Smith Inc.

One Bryant Park New York NY 10036

2801 81873.23 93200000 02/11/2026 NYSE Common Stock Barclays

745 Seventh Avenue New York NY 10019

3245 94851.35 93200000 02/11/2026 NYSE Common Stock Raymond James & Associates

880 Carillon Parkway St. Petersburg FL 33716

2689 78599.47 93200000 02/11/2026 NYSE Common Stock 05/25/2023 Open Market Purchases N/A N 61990 05/25/2023 Cash Y The aggregate market value is as of the close of business on 02/10/2026. The number of securities outstanding is as of 10/24/2025. The shares of Common Stock sold were acquired on the open market and acquired and paid for between 05/25/2023 and 09/20/2023. 02/11/2026 /s/ Cynthia Paul