Transactions Table

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

Explanation of Responses:

Id	Content
F1	Each share of Class B Common Stock was converted into one share of Class A Common Stock for no additional consideration at the option of the Reporting Person.
F2	The shares are held directly by Shasta Ventures II, L.P. ("Shasta Ventures II"). Shasta Ventures II GP, LLC ("SVII GP") is the general partner of Shasta Ventures II and may be deemed to beneficially own the shares held by Shasta Ventures II. SVII GP disclaims beneficial ownership of these shares except to the extent of its pecuniary interest therein.
F3	Represents a pro rata, in-kind distribution, and not a purchase or sale of securities, by Shasta Ventures II to its general partner and limited partners without additional consideration.
F4	Represents receipt of shares in the distribution in kind described in footnote (3).
F5	The shares are held directly by SVII GP. SVII GP disclaims beneficial ownership of these shares except to the extent of its pecuniary interest therein.
F6	Represents a pro rata, in-kind distribution, and not a purchase or sale of securities, by SVII GP to its members without additional consideration.
F7	Each share of Class B Common Stock is convertible at any time into Class A Common Stock on a one-to-one basis at the Reporting Person's election; provided, however, that each share of Class B Common Stock shall automatically be converted into Class A Common Stock on a one-for-one basis on the earlier of the: (i) tenth anniversary of completion of the Business Combination or (ii) date specified by the affirmative vote of the holders of two-thirds of the Class B Common Stock then outstanding. In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon any transfer, whether or not for value (subject to certain exceptions).