Gupta Ravi bought CART

Footnotes

The price reported in column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $28.8900 to $29.8850. The Reporting Person undertakes to provide the issuer, any security holder of the Issuer, or the staff at the Securities and Exchange Commission, upon request, the full information regarding the number of shares purchased at each separate price within the ranges set forth above.; The Reporting Person is a stockholder of SC US (TTGP), Ltd. SC US (TTGP), Ltd. is (i) the general partner of SC U.S. Venture XIV Management, L.P., which is the general partner of each of Sequoia Capital U.S. Venture Fund XIV, L.P., Sequoia Capital U.S. Venture Partners Fund XIV, L.P., and Sequoia Capital U.S. Venture Partners Fund XIV (Q), L.P., or collectively, the XIV Funds, which together own 100% of the outstanding ordinary shares of Sequoia Capital USV XIV Holdco, Ltd., or XIV Holdco; (ii) the general partner of SC U.S. Growth VI Management, L.P., which is the general partner of each of Sequoia Capital U.S. Growth Fund VI, L.P., and Sequoia Capital U.S. Growth VI Principals Fund, L.P., or collectively, the GF VI Funds; (iii) the general partner of SC U.S. Growth VII Management, L.P., which is the general partner of each of Sequoia Capital U.S. Growth Fund VII, L.P., and Sequoia Capital U.S. Growth VII Principals Fund, L.P., or collectively, the GF VII Funds;; (Continue from Footnote 7) (iv) the general partner of SC Global Growth II Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund II, L.P., and Sequoia Capital Global Growth II Principals Fund, L.P., or collectively, the GGF II Funds; (v) the general partner of SCGGF III - Endurance Partners Management, L.P., which is the general partner of Sequoia Capital Global Growth Fund III - Endurance Partners, L.P., or GGF III; (vi) the general partner of SCGGF III - U.S./India Management, L.P., or GGF III US IND MGMT; and (vii) the general partner of SC US/E Expansion Fund I Management, L.P., which is the general partner of Sequoia Capital US/E Expansion Fund I, L.P., or collectively, the EXP I Funds.; (Continue from Footnote 8) As a result, the Reporting Person may be deemed to share beneficial ownership of the shares held by XIV Holdco, the GF VI Funds, the GF VII Funds, the GGF II Funds, GGF III, GGF III US IND MGMT and the EXP I Funds. The Reporting Person disclaims beneficial ownership of the securities included in this report, 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 purposes.