X0306 4 2021-12-07 0 0001828791 Viant Technology Inc. DSP 0001615037 Yang Vivian C/O VIANT TECHNOLOGY INC. 2722 MICHELSON DRIVE, SUITE 100 IRVINE CA 92612 1 0 0 0 Class A Common Stock 2021-12-07 4 A 0 15000 0.00 A 15000 D Class A Common Stock 2021-12-07 4 A 0 6575 0.00 A 21575 D Represents the number of shares of Class A Common Stock issued to the Reporting Person pursuant to an award of restricted stock units. The award vests in full on December 7, 2024, subject to the Reporting Person's continued service to the Issuer. Represents the number of shares of Class A Common Stock issued to the Reporting Person pursuant to an award of restricted stock units. The award vests in full upon the first annual meeting of stockholders following the grant date, subject to the Reporting Person's continued service to the Issuer. /s/ Lisa Harrington, Attorney-in-fact for Vivian Yang 2021-12-09