Transactions Table

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

Explanation of Responses:

Id	Content
F1	These shares of Class B common stock were converted on a one-for-one basis into Class A common stock.
F2	The securities held by Battery Ventures IX, L.P. ("BV IX") prior to the transaction reported herein reflect the pro rata distribution in kind effected by BV IX to its general partner and limited partners for no additional consideration, and the further pro rata distribution in kind by the general partner of BV IX, for no additional consideration to its members, including the Reporting Person.
F3	Securities are held by BV IX. Battery Partners IX, LLC ("BP IX") is the general partner of BV IX. The Reporting Person is a managing member of BP IX and maybe deemed to share voting and dispositive power over these securities. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of for any other purpose.
F4	The securities held by Battery Investment Partners IX, LLC ("BIP IX") prior to the transaction reported herein reflect the pro rata distribution in kind effected by BIP IX to its members for no additional consideration.
F5	Securities are held by BIP IX. BP IX is the managing member of BIP IX. The Reporting Person is a managing member of BP IX and may be deemed to share voting and dispositive power over these securities. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of for any other purpose.
F6	The securities held by the Reporting Person prior to the transaction reported herein reflect the receipt of securities in the distribution in kind described in footnote (2). The receipt of such securities by the Reporting Person constituted a change in form of ownership and, therefore, was not required to be reported pursuant to Section 16.
F7	Securities are held by Neeraj Agrawal Revocable Trust of 2012, of which the Reporting Person is the trustee. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his proportionate pecuniary interest therein.
F8	Securities are held by Battery Ventures Select Fund I, L.P. ("BV Select I"). The sole general partner of BV Select I is Battery Partners Select Fund I, L.P. ("BP Select I"). The general partner of BP Select I is Select Fund I GP, LLC ("BP Select I GP"). The Reporting Person is a managing member of BP Select I GP and may be deemed to share voting and dispositive power over these securities. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of for any other purpose.
F9	Securities are held by Battery Investment Partners Select Fund I, L.P. ("BIP Select I"). The sole general partner of BP Select I GP. The Reporting Person is a managing member of BP Select I GP and may be deemed to share voting and dispositive power over these securities. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of for any other purpose.
F10	Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock. Each share of Class B Common Stock will convert automatically into shares of Class A common stock, on a one-to-one basis, upon the following: (1) the sale or transfer of such share of Class B Common Stock, subject to certain exceptions specified in the Issuer's amended and restated certificate of incorporation; (2) the death of the Reporting Person; and (3) the final conversion date, defined as the first trading day on or after the date on which the outstanding shares of Class B Common Stock represent less than 5.0% of the Issuer's then-outstanding Class A and Class B Common Stock to certain timing criteria.