F1Represents the conversion of Class B Common Stock into Class A Common Stock held by Draper Associates, L.P. (DALP).
F2The General Partner of DALP is Draper Associates, Inc. which is controlled by its President and majority shareholder, Timothy C. Draper. DALP invests lockstep alongside Draper Fisher Jurvetson Fund VIII, L.P. (Fund VIII) and Draper Fisher Jurvetson Fund IX, L.P. (Fund IX).
F3Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson are managing directors of the general partner entities of Fund VIII and Fund IX that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners VIII, LLC (Partners VIII) invests lockstep alongside Fund VIII. Draper Fisher Jurvetson Partners IX, LLC (Partners IX) invests lockstep alongside Fund IX. The managing members of Partners VIII and Partners IX are Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.
F4John H.N. Fisher, Barry M. Schuler and Mark W. Bailey are managing directors of the general partner entities of Draper Fisher Jurvetson Growth Fund 2006, L.P. (Growth Fund) that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners Growth Fund 2006, LLC (Growth Partners) invests lockstep alongside Growth Fund. The managing members of Growth Partners are John H.N. Fisher, Barry M. Schuler, Mark W. Bailey, Timothy C. Draper and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.
F5This sale price represents the weighted average sale price of the shares sold ranging from $18.04 to $18.21 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.
F6Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.
F71,170,740 of these shares are owned directly by DALP, 2,330,280 of these shares are owned directly by Fund IX, 7,452,141 of these shares are owned directly by Fund VIII, 63,146 of these shares are owned directly by Partners IX, 165,601 of these shares are owned directly by Partners VIII, 1,390,544 of these shares are owned directly by Growth Fund, and 112,421 of these shares are owned directly by Growth Partners.

Remarks

This report is filed as form 1 of 2 to report related transactions for the following filers: Draper Fisher Jurvetson Fund VIII, L.P.; Draper Fisher Jurvetson Partners VIII, LLC; Draper Fisher Jurvetson Fund IX, L.P.; Draper Fisher Jurvetson Partners IX, LLC; Draper Associates, L.P.; Timothy Draper; John Fisher; Stephen Jurvetson; Mark Bailey; Barry Schuler; Draper Fisher Jurvetson Growth Fund 2006, L.P.; and Draper Fisher Jurvetson Partners Growth Fund 2006, LLC.