X0306 4 2021-07-12 1 0001825480 Poshmark, Inc. POSH 0001420812 Inventus Capital Partners Fund I LP 1325 HOWARD STREET, SUITE 244 BURLINGAME CA 94010 0 0 1 0 0001535186 INVENTUS CAPITAL PARTNERS FUND II, LTD. 1325 HOWARD STREET, SUITE 244 BURLINGAME CA 94010 0 0 1 0 0001717687 INVENTUS CAPITAL CO-INVEST ANNEX FUND I, L.P. 1325 HOWARD STREET, SUITE 244 BURLINGAME CA 94010 0 0 1 0 Class A Common Stock 2021-07-12 4 C 0 3710090 0.00 A 3710090 I See Footnote Class A Common Stock 2021-07-12 4 C 0 2153377 0.00 A 2153377 I See Footnote Class A Common Stock 2021-07-12 4 C 0 915651 0.00 A 915651 I See Footnote Class A Common Stock 2021-07-12 4 J 0 3644551 0.00 D 65539 I See Footnote Class A Common Stock 2021-07-12 4 J 0 2153377 0.00 D 0 I See Footnote Class A Common Stock 2021-07-12 4 J 0 909097 0.00 D 6554 I See Footnote Class B Common Stock 2021-07-12 4 C 0 3710090 0.00 D Class A Common Stock 3710090 0 I See Footnote Class B Common Stock 2021-07-12 4 C 0 2153377 0.00 D Class A Common Stock 2153377 0 I See Footnote Class B Common Stock 2021-07-12 4 C 0 915651 0.00 D Class A Common Stock 915651 0 I See Footnote Represents the conversion, on a one-for-one basis, of Class B Common Stock into Class A Common Stock. The securities are held by Inventus Capital Partners Fund I L.P., a Cayman Islands Exempted Limited Partnership, or ICP I. Inventus Capital Master Management I, Ltd, a Cayman Islands Exempted Limited Partnership, or ICPMM I, is the general partner of Inventus Capital Management I, L.P., a Cayman Islands Exempted Limited Partnership, or ICPM I, which is the general partner of ICP I. John Dougery, Jr and Kanwal Rekhi are the directors of ICPMM I and ICPM II, and the managing members of ICPM Annex. As a result, each of the foregoing entities and individuals may be deemed to share beneficial ownership of the shares respectively owned by ICP I, ICP II, and ICP Annex, but each of the individuals disclaims such beneficial ownership, except to the extent of his or her proportionate pecuniary interest therein. The securities are held by Inventus Capital Partners Fund II Ltd., or ICP II. Inventus Capital Management II, Ltd, or ICPM II, is the General Partner of ICP II. John Dougery, Jr and Kanwal Rekhi are the directors of ICPMM I and ICPM II, and the managing members of ICPM Annex. As a result, each of the foregoing entities and individuals may be deemed to share beneficial ownership of the shares respectively owned by ICP I, ICP II, and ICP Annex, but each of the individuals disclaims such beneficial ownership, except to the extent of his or her proportionate pecuniary interest therein. The securities are held by Inventus Capital Co-Invest Annex Fund I L.P., a Delaware Limited Partnership, or ICP Annex. Inventus Capital Co-Invest Annex Management I, LLC, or ICPM Annex I, is the general partner of ICP Annex. John Dougery, Jr and Kanwal Rekhi are the directors of ICPMM I and ICPM II, and the managing members of ICPM Annex. As a result, each of the foregoing entities and individuals may be deemed to share beneficial ownership of the shares respectively owned by ICP I, ICP II, and ICP Annex, but each of the individuals disclaims such beneficial ownership, except to the extent of his or her proportionate pecuniary interest therein. ICP I made a pro rata distribution for no consideration of an aggregate of 3,644,551 shares of Class A Common Stock to its general and limited partners. ICP II made a pro rata distribution for no consideration of an aggregate of 2,153,377 shares of Class A Common Stock to its general and limited partners. ICP Annex made a pro rata distribution for no consideration of an aggregate of 909,097 shares of Class A Common Stock to its general and limited partners. Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the Reporting Person. /s/ John Dougery, Jr., General Partner 2021-07-14 /s/ John Dougery, Jr., General Partner 2021-07-14 /s/ John Dougery, Jr., General Partner 2021-07-14