Transactions Table

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Explanation of Responses:

Id	Content
F1	Each restricted stock unit ("RSU") converted into one share of Common Stock
F2	Mr. Jordan is a member of the general partners of the Andreessen Horowitz Entities (as defined herein), but he disclaims the existence of a "group" and disclaims beneficial ownership of the shares held by the Andreessen Horowitz Entities and this report shall not be deemed an admission that he is the beneficial owner of such shares, except to the extent of his pecuniary interest, if any, in such shares by virtue of his interest in the Andreessen Horowitz Entities, and/or the general partner entities thereof, as applicable.
F3	These shares are held of record by AH Parallel Fund IV, L.P., for itself and as nominee for AH Parallel Fund IV-A, L.P., AH Parallel Fund IV-B, L.P. and AH Parallel Fund IV-Q, L.P. (the "AH Parallel Fund IV Entities"). AH Equity Partners IV (Parallel), L.L.C. ("AH EP IV Parallel") is the general partner of the AH Parallel Fund IV Entities and has sole voting and dispositive power with regard to the shares held by the AH Parallel Fund IV Entities. The managing members of AH EP IV Parallel are Marc Andreessen and Benjamin Horowitz. Marc Andreessen and Benjamin Horowitz share voting and dispositive power with respect to the shares held by the AH Parallel Fund IV Entities.
F4	These shares are held of record by Andreessen Horowitz Fund IV, L.P., for itself and as nominee for Andreessen Horowitz Fund IV-A, L.P., Andreessen Horowitz Fund IV-B, L.P. and Andreessen Horowitz Fund IV-Q, L.P. (the "AH Fund IV Entities" and together with the AH IV Parallel Entities, the "Andreessen Horowitz Entities"). AH Equity Partners IV, L.L.C. ("AH EP IV") is the general partner of the AH Fund IV Entities and has sole voting and dispositive power with regard to the shares held by the AH Fund IV Entities. The managing members of AH EP IV are Marc Andreessen and Benjamin Horowitz. Marc Andreessen and Benjamin Horowitz share voting and dispositive power with respect to the shares held by the AH Fund IV Entities.
F5	Each RSU represents a contingent right to receive one share of the Issuer's Common Stock.
F6	The shares subject to this RSU shall vest at a rate of twenty-five percent of the total number of shares on each quarterly anniversary of March 1, 2021 (the "Vesting Commencement Date") for so long as the Reporting Person provides continuous service to Issuer, such that the total number of shares shall be fully vested on the one-year anniversary of the Vesting Commencement Date.