HOROWITZ BENJAMIN A sold NAVN

Footnotes

Each share of Series Seed, Series A, Series C, Series D, Series E, Series F and Series G-1 Preferred Stock automatically converted into shares of Class A Common Stock immediately prior to the closing of the Issuer's initial public offering ("IPO") for no additional consideration at a conversion ratio that was dependent upon the initial offering price per share of the Class A Common Stock to the public in the Issuer's IPO, and had no expiration date.; These shares are held of record by AH Parallel Fund V, L.P. ("AH Parallel V"), for itself and as nominee for AH Parallel Fund V-A, L.P., AH Parallel Fund V-B, L.P. and AH Parallel Fund V-Q, L.P. (collectively, the "AH Parallel Fund V Entities"). AH Equity Partners V (Parallel), L.L.C. ("AH EP V Parallel"), the general partner of AH Parallel V, may be deemed to have sole voting and dispositive power over the shares held by the AH Parallel Fund V Entities. The Reporting Person and Marc Andreessen are the managing members of AH EP V Parallel and may be deemed to have shared voting and dispositive power over the shares held by the AH Parallel Fund V Entities.; (Continued from Footnote 8) The Reporting Person disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Parallel Fund V Entities and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities, except to the extent of his pecuniary interest therein, if any.