144 0001284309 XXXXXXXX LIVE 0001828791 Viant Technology Inc. 001-40015 2722 Michelson Drive Suite 100 Irvine CA 92612 1-949-861-8888 Lawrence Madden Officer Common Stock Goldman Sachs & Co. LLC 200 West Street New York NY 10282 171426 2639960.4 16047982 11/14/2024 NASD Common Stock 03/10/2024 Acquired as compensation -- Restricted Stock Units Viant Technology Inc. N 26041 03/10/2024 Compensation Common Stock 03/10/2024 Acquired as compensation -- Restricted Stock Units Viant Technology Inc. N 19270 03/10/2024 Compensation Common Stock 03/10/2024 Acquired as compensation -- Restricted Stock Units Viant Technology Inc. N 7371 03/10/2024 Compensation Common Stock 09/10/2024 Acquired as compensation -- Restricted Stock Units Viant Technology Inc. N 4682 09/10/2024 Compensation Common Stock 09/10/2024 Acquired as compensation -- Restricted Stock Units Viant Technology Inc. N 7368 09/10/2024 Compensation Common Stock 12/10/2021 Acquired as compensation -- Restricted Stock Units Viant Technology Inc. N 7546 12/10/2021 Compensation Common Stock 12/10/2021 Acquired as compensation -- Restricted Stock Units Viant Technology Inc. N 7546 12/10/2021 Compensation Common Stock 06/10/2024 Acquired as compensation -- Restricted Stock Units Viant Technology Inc. N 7371 06/10/2024 Compensation Common Stock 06/10/2024 Acquired as compensation -- Restricted Stock Units Viant Technology Inc. N 4682 06/10/2024 Compensation Common Stock 03/10/2022 Acquired as compensation -- Restricted Stock Units Viant Technology Inc. N 5124 03/10/2022 Compensation Common Stock 03/10/2022 Acquired as compensation -- Restricted Stock Units Viant Technology Inc. N 5124 03/10/2022 Compensation Common Stock 12/10/2023 Acquired as compensation -- Restricted Stock Units Viant Technology Inc. N 7546 12/10/2023 Compensation Common Stock 12/10/2023 Acquired as compensation -- Restricted Stock Units Viant Technology Inc. N 7544 12/10/2023 Compensation Common Stock 09/10/2023 Acquired as compensation -- Restricted Stock Units Viant Technology Inc. N 7546 09/10/2023 Compensation Common Stock 09/10/2023 Acquired as compensation -- Restricted Stock Units Viant Technology Inc. N 7546 09/10/2023 Compensation Common Stock 06/10/2022 Acquired as compensation -- Restricted Stock Units Viant Technology Inc. N 7546 06/10/2022 Compensation Common Stock 06/10/2022 Acquired as compensation -- Restricted Stock Units Viant Technology Inc. N 7546 06/10/2022 Compensation Common Stock 09/10/2022 Acquired as compensation -- Restricted Stock Units Viant Technology Inc. N 7546 09/10/2022 Compensation Common Stock 09/10/2022 Acquired as compensation -- Restricted Stock Units Viant Technology Inc. N 7546 09/10/2022 Compensation Common Stock 06/10/2023 Acquired as compensation -- Restricted Stock Units Viant Technology Inc. N 7546 06/10/2023 Compensation Common Stock 06/10/2023 Acquired as compensation -- Restricted Stock Units Viant Technology Inc. N 1389 06/10/2023 Compensation N Lawrence James Madden 2722 Michelson Drive Suite 100 Irvine CA 92612 Common Stock 08/23/2024 3885 43362.43 Lawrence James Madden 2722 Michelson Drive Suite 100 Irvine CA 92612 Common Stock 10/09/2024 1953 21858.95 Lawrence James Madden 2722 Michelson Drive Suite 100 Irvine CA 92612 Common Stock 09/23/2024 3084 34081.59 Lawrence James Madden 2722 Michelson Drive Suite 100 Irvine CA 92612 Common Stock 10/11/2024 2768 31097.93 Lawrence James Madden 2722 Michelson Drive Suite 100 Irvine CA 92612 Common Stock 08/26/2024 3263 36296.31 Lawrence James Madden 2722 Michelson Drive Suite 100 Irvine CA 92612 Common Stock 10/28/2024 1498 17338.9 Lawrence James Madden 2722 Michelson Drive Suite 100 Irvine CA 92612 Common Stock 09/20/2024 1116 12295.75 Lawrence James Madden 2722 Michelson Drive Suite 100 Irvine CA 92612 Common Stock 09/24/2024 2776 30959.34 Lawrence James Madden 2722 Michelson Drive Suite 100 Irvine CA 92612 Common Stock 10/10/2024 1089 12045.76 The sales of shares set forth herein are made in connection with a selling plan dated 5/9/2024 that is intended to comply with Rule 10b5-1(c). 11/14/2024 05/09/2024 Goldman Sachs & Co. LLC on behalf of Lawrence Madden