X0306 4 2022-05-17 0 0001811414 QuantumScape Corp QS 0001177264 MCCARTHY MICHAEL O III C/O QUANTUMSCAPE CORPORATION 1730 TECHNOLOGY DRIVE SAN JOSE CA 95110 0 1 0 0 Chief Legal Officer Class A Common Stock 2022-05-17 4 F 0 25818 11.836 D 516925 D Class A Common Stock 2022-05-18 4 S 0 20000 11.9396 D 496925 D Represents a sale to cover tax obligations on the release of restricted stock units ("RSUs"). The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $11.48 to $12.12, inclusive. The Reporting Person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote to this Form 4. The sales reported in this line item were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person in December 2021. The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $11.84 to $12.11, inclusive. The Reporting Person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote to this Form 4. Includes 390,677 shares represented by restricted stock units ("RSUs"). Each RSU represents the Reporting Person's right to receive one share of Class A Common Stock of the Issuer. A portion of the RSUs vest each quarter, subject to the Reporting Person's continued service as of each vesting date. /s/ Michael O. McCarthy, III 2022-05-19