X0306 4 2022-03-08 0 0001819584 Volta Inc. VLTA 0001879632 Lauber Martin C/O VOLTA INC. 155 DE HARO STREET SAN FRANCISCO CA 94103 1 0 0 0 Class A Common Stock 2022-03-08 4 A 0 23924 0.00 A 261568 D Class A Common Stock 510536 I By 19Y Ventures VI, LLC Class A Common Stock 822055 I By 19Y Ventures VI-2, LLC Represents shares of Class A Common Stock underlying a restricted stock unit award ("RSU") granted under the Issuer's 2021 Equity Incentive Plan. The RSU will vest as to 1/3 of the total number of shares on August 26, 2022, and 1/3 of the total number of shares will vest on each annual anniversary thereafter, subject to the Reporting Person's continued service through each vesting date. The Reporting Person is the Managing Member of 19Y Ventures VI, LLC and 19Y Ventures VI-2, LLC. As Managing Member of these entities, the Reporting Person has voting and dispositive power with respect to the shares held by these entities and may be deemed to beneficially own the shares of common stock held by these entities. /s/ James DeGraw, as Attorney-in-Fact 2022-03-10