X0306 4 2021-11-09 0 0001484778 ThredUp Inc. TDUP 0001483790 Redpoint Ventures IV, L.P. 2969 WOODSIDE ROAD WOODSIDE CA 94062 0 0 1 0 0001512527 Redpoint Associates IV, LLC 2969 WOODSIDE ROAD WOODSIDE CA 94062 0 0 1 0 0001483789 Redpoint Ventures IV, LLC 2969 WOODSIDE ROAD WOODSIDE CA 94062 0 0 1 0 Class A Common Stock 2021-11-09 4 C 0 2348745 0.00 A 2348745 D Class A Common Stock 2021-11-09 4 C 0 60224 0.00 A 60224 I By Redpoint Associates IV, LLC Class A Common Stock 2021-11-09 4 J 0 2348745 0.00 D 0 D Class A Common Stock 2021-11-09 4 J 0 60224 0.00 D 0 I By Redpoint Associates IV, LLC Class A Common Stock 2021-11-09 4 J 0 23487 0.00 A 23487 I By Redpoint Ventures IV, LLC Class A Common Stock 2021-11-09 4 J 0 23487 0.00 D 0 I By Redpoint Ventures IV, LLC Class B Common Stock 2021-11-09 4 C 0 2348745 0.00 D Class A Common Stock 2348745 7046236 D Class B Common Stock 2021-11-09 4 C 0 60224 0.00 D Class A Common Stock 60224 180672 I By Redpoint Associates IV, LLC Each share of Class B Common Stock was converted into one share of Class A Common Stock at the option of the holder in connection with the distributions described herein. Redpoint Ventures IV, LLC ("RV IV LLC") is the sole general partner of Redpoint Ventures IV, L.P. ("RV IV"). RV IV LLC and Redpoint Associates IV, LLC ("RA IV") are under common control. As such, RV IV LLC has sole voting and investment control over the shares owned by RV IV, and may be deemed to beneficially own the shares held by RV IV. Each of the Reporting Persons disclaims beneficial ownership of the shares reported herein, except to the extent of its respective pecuniary interest therein. Represents a pro rata, in-kind distribution, and not a purchase or sale of securities, by RV IV to its general partner and limited partners without additional consideration. Represents a pro rata, in-kind distribution, and not a purchase or sale of securities, by RA IV to its members without additional consideration. Represents receipt of shares in the distribution in kind described in footnote (3). Represents a pro rata in kind distribution, and not a purchase or sale of securities, by RV IV LLC to its members without consideration. Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation. Redpoint Ventures IV, L.P. By: Redpoint Ventures IV, LLC, its General Partner By: /s/ Timothy M. Haley, Managing Director 2021-11-12 Redpoint Associates IV, LLC By: /s/ Timothy M. Haley, Managing Director 2021-11-12 Redpoint Ventures IV, LLC By: /s/ Timothy M. Haley, Managing Director 2021-11-12