X0306 4 2022-06-07 0001825480 Poshmark, Inc. POSH 0001766351 Tung Hans C/O POSHMARK, INC. 203 REDWOOD SHORES PARKWAY REDWOOD CITY CA 94065 1 Class A Common Stock 2022-06-07 4 S 0 1836 11.6043 D 119155 I GGV Capital V Entrepreneurs Fund L.P Class A Common Stock 2022-06-07 4 S 0 50034 11.6043 D 3246737 I GGV Capital V L.P. Class A Common Stock 2022-06-08 4 S 0 1199 11.8624 D 117956 I GGV Capital V Entrepreneurs Fund L.P Class A Common Stock 2022-06-08 4 S 0 32685 11.8624 D 3214052 I GGV Capital V L.P. Class A Common Stock 2083 I GGV Capital LLC The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $11.50 to $11.87, 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 range set forth in this footnote. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $11.64 to $12.03, 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 range set forth in this footnote. The shares are held directly by GGV Capital V Entrepreneurs Fund L.P. The Reporting Person is a managing partner of GGV Capital V L.L.C., which is the general partner of GGV Capital V Entrepreneurs Fund L.P., and the Reporting Person may be deemed to share voting and investment powers with regard to the securities held directly by such entity. The Reporting Person disclaims beneficial ownership of the securities held by such entity except to the extent of his pecuniary interest therein. The shares are held directly by GGV Capital V L.P. The Reporting Person is a managing director of GGV Capital V L.L.C., which is the general partner of GGV Capital V L.P., and the Reporting Person may be deemed to share voting and investment powers with regard to the securities held directly by such entity. The Reporting Person disclaims beneficial ownership of the securities held by such entity except to the extent of his pecuniary interest therein. The shares are held directly by GGV Capital LLC. The Reporting Person is a managing director of GGV Capital LLC, and the Reporting Person may be deemed to share voting and investment powers with regard to the securities held directly by such entity. The Reporting Person disclaims beneficial ownership of the securities held by such entity except to the extent of his pecuniary interest therein. /s/ Evan Ferl, Attorney-in-Fact 2022-06-09