Transaction Details

Footnotes

These shares of Class B common stock were converted on a one-for-one basis into Class A common stock. | Securities are held by Battery Investment Partners XI, LLC ("BIP XI"). The sole managing member of BIP XI is Battery Partners XI, LLC ("BP XI"). The Reporting Person is a managing member of BP XI 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 or for any other purpose. | Securities are held by Battery Ventures XI-A, L.P. ("BV XI-A"). The sole general partner of BV XI-A is BP XI. The Reporting Person is a managing member of BP XI 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 or for any other purpose. | Securities are held by Battery Ventures XI-B, L.P. ("BV XI-B"). The sole general partner of BV XI-B is BP XI. The Reporting Person is a managing member of BP XI 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 or for any other purpose. | Securities are held by Battery Ventures XI-A Side Fund, L.P. ("BV XI-A SF"). The sole general partner of BV XI-A SF is Battery Partners XI Side Fund, LLC ("BP XI SF"). The Reporting Person is a managing member of BP XI SF 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 or for any other purpose. | Securities are held by Battery Ventures XI-B Side Fund, L.P. ("BV XI-B SF"). The sole general partner of BV XI-B SF is BP XI SF. The Reporting Person is a managing member of BP XI SF 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 or for any other purpose. | Securities are held by Battery Investment Partners Select Fund I, L.P. ("BIP Select I"). The sole general partner of BIP Select I is Battery Partners 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 or for any other purpose. | 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 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 theses 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 or for any other purpose. | Securities are held by an irrevocable GST trust, of which the Reporting Person's spouse is a trustee. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his proportionate pecuniary interest therein. | Each share of Class B Common Stock is convertible into one share of Class A Common Stock (A) at any time at the option of the Reporting Person or (B) automatically upon the occurrence of the following: (1) the transfer of such share of Class B Common Stock, except for certain transfers whereby the Reporting Person continues to hold sole voting and dispositive power with respect to each such share, (2) the death of a Class B common stockholder who is a natural person, (3) the last trading day of the fiscal quarter immediately following the fifth anniversary of the Issuer's initial public offering, (4) the date specified by affirmative vote of the holders of a majority of the outstanding shares of Class B common stock and (5) the last trading day of the fiscal quarter during which the then outstanding shares of Class B Common Stock first represent less than 10% of the aggregate number of shares of the then outstanding Class A Common Stock and Class B Common Stock.