SEQUOIA CAPITAL GLOBAL GROWTH II PRINCIPALS FUND, L.P.

Row 1 · 2023-03-07 · Other · Disposed 557,049 · Balance 3,342,292

F1: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

F2: SC US (TTGP), Ltd. is (i) the general partner of SC U.S. Venture XIV Management, L.P., which is the general partner 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 SC USV XIV Funds, which together own 100% of the outstanding ordinary shares of Sequoia Capital USV XIV Holdco, Ltd. (SC USV XIV Holdco); (ii) 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. (SC GGFII) and Sequoia Capital Global Growth II Principals Fund, L.P. (SC GGFII PF), or collectively, the SC GGFII Funds; (iii) 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. (SC US GFVI) and Sequoia Capital U.S. Growth VI Principals Fund, L.P. (SC US GFVI PF), or collectively, the SC US GFVI Funds;

F3: (Continued from Footnote 2) (iv) 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. (SC US GFVII) and Sequoia Capital U.S. Growth VII Principals Fund, L.P. (SC US GFVII PF), or collectively, the SC US GFVII Funds; and (v) the general partner of SCGGF III - U.S./India Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund III - U.S./India Annex Fund, L.P. (SC GGFIII) and Sequoia Capital Global Growth Fund III - U.S./India Annex Principals Fund, L.P. (SC GGFIII PF), or collectively, the SC GGFIII Funds.

F4: (Continued from Footnote 3) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, and the SC GGFIII Funds. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGFII Funds and the SC GGFIII Funds are Douglas M. Leone and Roelof F. Botha. As a result, and by virtue of the relationship described in this footnote, each such person may be deemed to share voting and dispositive power with respect to the shares of Class A common stock held by the SC GGFII Funds and the SC GGFIII Funds as applicable.

F5: (Continued from Footnote 4) Each of SC US (TTGP), Ltd., SC U.S. Venture XIV Management, L.P., SC U.S. Growth VI Management, L.P., SC U.S. Growth VII Management, L.P., SC Global Growth II Management, L.P., SCGGF III - U.S./India Management, L.P., Mr. Leone and Mr. Botha disclaims beneficial ownership of the shares held by SC USV XIV Holdco, the GFVI Funds, the GFVII Funds, the GGF II Funds, and the GGF III Funds except to the extent of its or 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.

Row 2 · 2023-03-07 · Other · Disposed 39,852 · Balance 239,108

F1: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

F2: SC US (TTGP), Ltd. is (i) the general partner of SC U.S. Venture XIV Management, L.P., which is the general partner 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 SC USV XIV Funds, which together own 100% of the outstanding ordinary shares of Sequoia Capital USV XIV Holdco, Ltd. (SC USV XIV Holdco); (ii) 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. (SC GGFII) and Sequoia Capital Global Growth II Principals Fund, L.P. (SC GGFII PF), or collectively, the SC GGFII Funds; (iii) 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. (SC US GFVI) and Sequoia Capital U.S. Growth VI Principals Fund, L.P. (SC US GFVI PF), or collectively, the SC US GFVI Funds;

F3: (Continued from Footnote 2) (iv) 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. (SC US GFVII) and Sequoia Capital U.S. Growth VII Principals Fund, L.P. (SC US GFVII PF), or collectively, the SC US GFVII Funds; and (v) the general partner of SCGGF III - U.S./India Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund III - U.S./India Annex Fund, L.P. (SC GGFIII) and Sequoia Capital Global Growth Fund III - U.S./India Annex Principals Fund, L.P. (SC GGFIII PF), or collectively, the SC GGFIII Funds.

F4: (Continued from Footnote 3) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, and the SC GGFIII Funds. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGFII Funds and the SC GGFIII Funds are Douglas M. Leone and Roelof F. Botha. As a result, and by virtue of the relationship described in this footnote, each such person may be deemed to share voting and dispositive power with respect to the shares of Class A common stock held by the SC GGFII Funds and the SC GGFIII Funds as applicable.

F5: (Continued from Footnote 4) Each of SC US (TTGP), Ltd., SC U.S. Venture XIV Management, L.P., SC U.S. Growth VI Management, L.P., SC U.S. Growth VII Management, L.P., SC Global Growth II Management, L.P., SCGGF III - U.S./India Management, L.P., Mr. Leone and Mr. Botha disclaims beneficial ownership of the shares held by SC USV XIV Holdco, the GFVI Funds, the GFVII Funds, the GGF II Funds, and the GGF III Funds except to the extent of its or 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.

Row 3 · 2023-03-07 · Other · Disposed 522,339 · Balance 3,134,030

F1: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

F2: SC US (TTGP), Ltd. is (i) the general partner of SC U.S. Venture XIV Management, L.P., which is the general partner 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 SC USV XIV Funds, which together own 100% of the outstanding ordinary shares of Sequoia Capital USV XIV Holdco, Ltd. (SC USV XIV Holdco); (ii) 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. (SC GGFII) and Sequoia Capital Global Growth II Principals Fund, L.P. (SC GGFII PF), or collectively, the SC GGFII Funds; (iii) 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. (SC US GFVI) and Sequoia Capital U.S. Growth VI Principals Fund, L.P. (SC US GFVI PF), or collectively, the SC US GFVI Funds;

F3: (Continued from Footnote 2) (iv) 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. (SC US GFVII) and Sequoia Capital U.S. Growth VII Principals Fund, L.P. (SC US GFVII PF), or collectively, the SC US GFVII Funds; and (v) the general partner of SCGGF III - U.S./India Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund III - U.S./India Annex Fund, L.P. (SC GGFIII) and Sequoia Capital Global Growth Fund III - U.S./India Annex Principals Fund, L.P. (SC GGFIII PF), or collectively, the SC GGFIII Funds.

F4: (Continued from Footnote 3) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, and the SC GGFIII Funds. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGFII Funds and the SC GGFIII Funds are Douglas M. Leone and Roelof F. Botha. As a result, and by virtue of the relationship described in this footnote, each such person may be deemed to share voting and dispositive power with respect to the shares of Class A common stock held by the SC GGFII Funds and the SC GGFIII Funds as applicable.

F5: (Continued from Footnote 4) Each of SC US (TTGP), Ltd., SC U.S. Venture XIV Management, L.P., SC U.S. Growth VI Management, L.P., SC U.S. Growth VII Management, L.P., SC Global Growth II Management, L.P., SCGGF III - U.S./India Management, L.P., Mr. Leone and Mr. Botha disclaims beneficial ownership of the shares held by SC USV XIV Holdco, the GFVI Funds, the GFVII Funds, the GGF II Funds, and the GGF III Funds except to the extent of its or 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.

Row 4 · 2023-03-07 · Other · Disposed 47,239 · Balance 283,429

F1: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

F2: SC US (TTGP), Ltd. is (i) the general partner of SC U.S. Venture XIV Management, L.P., which is the general partner 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 SC USV XIV Funds, which together own 100% of the outstanding ordinary shares of Sequoia Capital USV XIV Holdco, Ltd. (SC USV XIV Holdco); (ii) 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. (SC GGFII) and Sequoia Capital Global Growth II Principals Fund, L.P. (SC GGFII PF), or collectively, the SC GGFII Funds; (iii) 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. (SC US GFVI) and Sequoia Capital U.S. Growth VI Principals Fund, L.P. (SC US GFVI PF), or collectively, the SC US GFVI Funds;

F3: (Continued from Footnote 2) (iv) 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. (SC US GFVII) and Sequoia Capital U.S. Growth VII Principals Fund, L.P. (SC US GFVII PF), or collectively, the SC US GFVII Funds; and (v) the general partner of SCGGF III - U.S./India Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund III - U.S./India Annex Fund, L.P. (SC GGFIII) and Sequoia Capital Global Growth Fund III - U.S./India Annex Principals Fund, L.P. (SC GGFIII PF), or collectively, the SC GGFIII Funds.

F4: (Continued from Footnote 3) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, and the SC GGFIII Funds. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGFII Funds and the SC GGFIII Funds are Douglas M. Leone and Roelof F. Botha. As a result, and by virtue of the relationship described in this footnote, each such person may be deemed to share voting and dispositive power with respect to the shares of Class A common stock held by the SC GGFII Funds and the SC GGFIII Funds as applicable.

F5: (Continued from Footnote 4) Each of SC US (TTGP), Ltd., SC U.S. Venture XIV Management, L.P., SC U.S. Growth VI Management, L.P., SC U.S. Growth VII Management, L.P., SC Global Growth II Management, L.P., SCGGF III - U.S./India Management, L.P., Mr. Leone and Mr. Botha disclaims beneficial ownership of the shares held by SC USV XIV Holdco, the GFVI Funds, the GFVII Funds, the GGF II Funds, and the GGF III Funds except to the extent of its or 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.

Row 5 · 2023-03-07 · Other · Disposed 1,120,182 · Balance 6,721,088

F1: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

F2: SC US (TTGP), Ltd. is (i) the general partner of SC U.S. Venture XIV Management, L.P., which is the general partner 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 SC USV XIV Funds, which together own 100% of the outstanding ordinary shares of Sequoia Capital USV XIV Holdco, Ltd. (SC USV XIV Holdco); (ii) 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. (SC GGFII) and Sequoia Capital Global Growth II Principals Fund, L.P. (SC GGFII PF), or collectively, the SC GGFII Funds; (iii) 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. (SC US GFVI) and Sequoia Capital U.S. Growth VI Principals Fund, L.P. (SC US GFVI PF), or collectively, the SC US GFVI Funds;

F3: (Continued from Footnote 2) (iv) 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. (SC US GFVII) and Sequoia Capital U.S. Growth VII Principals Fund, L.P. (SC US GFVII PF), or collectively, the SC US GFVII Funds; and (v) the general partner of SCGGF III - U.S./India Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund III - U.S./India Annex Fund, L.P. (SC GGFIII) and Sequoia Capital Global Growth Fund III - U.S./India Annex Principals Fund, L.P. (SC GGFIII PF), or collectively, the SC GGFIII Funds.

F4: (Continued from Footnote 3) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, and the SC GGFIII Funds. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGFII Funds and the SC GGFIII Funds are Douglas M. Leone and Roelof F. Botha. As a result, and by virtue of the relationship described in this footnote, each such person may be deemed to share voting and dispositive power with respect to the shares of Class A common stock held by the SC GGFII Funds and the SC GGFIII Funds as applicable.

F5: (Continued from Footnote 4) Each of SC US (TTGP), Ltd., SC U.S. Venture XIV Management, L.P., SC U.S. Growth VI Management, L.P., SC U.S. Growth VII Management, L.P., SC Global Growth II Management, L.P., SCGGF III - U.S./India Management, L.P., Mr. Leone and Mr. Botha disclaims beneficial ownership of the shares held by SC USV XIV Holdco, the GFVI Funds, the GFVII Funds, the GGF II Funds, and the GGF III Funds except to the extent of its or 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.

Row 6 · 2023-03-07 · Other · Disposed 17,142 · Balance 102,847

F1: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

F2: SC US (TTGP), Ltd. is (i) the general partner of SC U.S. Venture XIV Management, L.P., which is the general partner 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 SC USV XIV Funds, which together own 100% of the outstanding ordinary shares of Sequoia Capital USV XIV Holdco, Ltd. (SC USV XIV Holdco); (ii) 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. (SC GGFII) and Sequoia Capital Global Growth II Principals Fund, L.P. (SC GGFII PF), or collectively, the SC GGFII Funds; (iii) 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. (SC US GFVI) and Sequoia Capital U.S. Growth VI Principals Fund, L.P. (SC US GFVI PF), or collectively, the SC US GFVI Funds;

F3: (Continued from Footnote 2) (iv) 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. (SC US GFVII) and Sequoia Capital U.S. Growth VII Principals Fund, L.P. (SC US GFVII PF), or collectively, the SC US GFVII Funds; and (v) the general partner of SCGGF III - U.S./India Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund III - U.S./India Annex Fund, L.P. (SC GGFIII) and Sequoia Capital Global Growth Fund III - U.S./India Annex Principals Fund, L.P. (SC GGFIII PF), or collectively, the SC GGFIII Funds.

F4: (Continued from Footnote 3) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, and the SC GGFIII Funds. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGFII Funds and the SC GGFIII Funds are Douglas M. Leone and Roelof F. Botha. As a result, and by virtue of the relationship described in this footnote, each such person may be deemed to share voting and dispositive power with respect to the shares of Class A common stock held by the SC GGFII Funds and the SC GGFIII Funds as applicable.

F5: (Continued from Footnote 4) Each of SC US (TTGP), Ltd., SC U.S. Venture XIV Management, L.P., SC U.S. Growth VI Management, L.P., SC U.S. Growth VII Management, L.P., SC Global Growth II Management, L.P., SCGGF III - U.S./India Management, L.P., Mr. Leone and Mr. Botha disclaims beneficial ownership of the shares held by SC USV XIV Holdco, the GFVI Funds, the GFVII Funds, the GGF II Funds, and the GGF III Funds except to the extent of its or 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.

Row 7 · 2023-03-07 · Other · Disposed 1,549,913 · Balance 9,299,477

F1: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

F2: SC US (TTGP), Ltd. is (i) the general partner of SC U.S. Venture XIV Management, L.P., which is the general partner 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 SC USV XIV Funds, which together own 100% of the outstanding ordinary shares of Sequoia Capital USV XIV Holdco, Ltd. (SC USV XIV Holdco); (ii) 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. (SC GGFII) and Sequoia Capital Global Growth II Principals Fund, L.P. (SC GGFII PF), or collectively, the SC GGFII Funds; (iii) 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. (SC US GFVI) and Sequoia Capital U.S. Growth VI Principals Fund, L.P. (SC US GFVI PF), or collectively, the SC US GFVI Funds;

F3: (Continued from Footnote 2) (iv) 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. (SC US GFVII) and Sequoia Capital U.S. Growth VII Principals Fund, L.P. (SC US GFVII PF), or collectively, the SC US GFVII Funds; and (v) the general partner of SCGGF III - U.S./India Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund III - U.S./India Annex Fund, L.P. (SC GGFIII) and Sequoia Capital Global Growth Fund III - U.S./India Annex Principals Fund, L.P. (SC GGFIII PF), or collectively, the SC GGFIII Funds.

F4: (Continued from Footnote 3) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, and the SC GGFIII Funds. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGFII Funds and the SC GGFIII Funds are Douglas M. Leone and Roelof F. Botha. As a result, and by virtue of the relationship described in this footnote, each such person may be deemed to share voting and dispositive power with respect to the shares of Class A common stock held by the SC GGFII Funds and the SC GGFIII Funds as applicable.

F5: (Continued from Footnote 4) Each of SC US (TTGP), Ltd., SC U.S. Venture XIV Management, L.P., SC U.S. Growth VI Management, L.P., SC U.S. Growth VII Management, L.P., SC Global Growth II Management, L.P., SCGGF III - U.S./India Management, L.P., Mr. Leone and Mr. Botha disclaims beneficial ownership of the shares held by SC USV XIV Holdco, the GFVI Funds, the GFVII Funds, the GGF II Funds, and the GGF III Funds except to the extent of its or 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.

Row 8 · 2023-03-07 · Other · Disposed 311,943 · Balance 1,871,655

F1: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

F6: Sequoia Grove Manager, LLC is the manager of Sequoia Grove II, LLC. As a result, Sequoia Grove Manager, LLC may be deemed to share beneficial ownership with respect to the shares held by Sequoia Grove II, LLC. Each of Sequoia Grove Manager, LLC and Sequoia Grove II, LLC disclaims beneficial ownership of the shares held by Sequoia Grove II, LLC except to the extent of its 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.

Row 9 · 2023-03-07 · Other · Acquired 3,005,303 · Balance 9,525,137

F1: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

F7: SC US (TTGP), Ltd. is (i) the general partner of Sequoia Capital Fund Management, L.P., which is the general partner of Sequoia Capital Fund, LP ("SCF") and the managing member of Sequoia Capital Fund Parallel, LLC ("SCFP"). As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by SCF and SCFP. SC US (TTGP), Ltd. disclaims beneficial ownership of the shares held by SCF and SCFP except to the extent of its 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.

Row 10 · 2023-03-07 · Other · Acquired 452,970 · Balance 1,491,499

F1: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

F7: SC US (TTGP), Ltd. is (i) the general partner of Sequoia Capital Fund Management, L.P., which is the general partner of Sequoia Capital Fund, LP ("SCF") and the managing member of Sequoia Capital Fund Parallel, LLC ("SCFP"). As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by SCF and SCFP. SC US (TTGP), Ltd. disclaims beneficial ownership of the shares held by SCF and SCFP except to the extent of its 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.

Row 11 · Balance 805,877

F2: SC US (TTGP), Ltd. is (i) the general partner of SC U.S. Venture XIV Management, L.P., which is the general partner 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 SC USV XIV Funds, which together own 100% of the outstanding ordinary shares of Sequoia Capital USV XIV Holdco, Ltd. (SC USV XIV Holdco); (ii) 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. (SC GGFII) and Sequoia Capital Global Growth II Principals Fund, L.P. (SC GGFII PF), or collectively, the SC GGFII Funds; (iii) 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. (SC US GFVI) and Sequoia Capital U.S. Growth VI Principals Fund, L.P. (SC US GFVI PF), or collectively, the SC US GFVI Funds;

F3: (Continued from Footnote 2) (iv) 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. (SC US GFVII) and Sequoia Capital U.S. Growth VII Principals Fund, L.P. (SC US GFVII PF), or collectively, the SC US GFVII Funds; and (v) the general partner of SCGGF III - U.S./India Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund III - U.S./India Annex Fund, L.P. (SC GGFIII) and Sequoia Capital Global Growth Fund III - U.S./India Annex Principals Fund, L.P. (SC GGFIII PF), or collectively, the SC GGFIII Funds.

F4: (Continued from Footnote 3) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, and the SC GGFIII Funds. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGFII Funds and the SC GGFIII Funds are Douglas M. Leone and Roelof F. Botha. As a result, and by virtue of the relationship described in this footnote, each such person may be deemed to share voting and dispositive power with respect to the shares of Class A common stock held by the SC GGFII Funds and the SC GGFIII Funds as applicable.

F5: (Continued from Footnote 4) Each of SC US (TTGP), Ltd., SC U.S. Venture XIV Management, L.P., SC U.S. Growth VI Management, L.P., SC U.S. Growth VII Management, L.P., SC Global Growth II Management, L.P., SCGGF III - U.S./India Management, L.P., Mr. Leone and Mr. Botha disclaims beneficial ownership of the shares held by SC USV XIV Holdco, the GFVI Funds, the GFVII Funds, the GGF II Funds, and the GGF III Funds except to the extent of its or 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.

Row 12 · Balance 17,623

F2: SC US (TTGP), Ltd. is (i) the general partner of SC U.S. Venture XIV Management, L.P., which is the general partner 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 SC USV XIV Funds, which together own 100% of the outstanding ordinary shares of Sequoia Capital USV XIV Holdco, Ltd. (SC USV XIV Holdco); (ii) 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. (SC GGFII) and Sequoia Capital Global Growth II Principals Fund, L.P. (SC GGFII PF), or collectively, the SC GGFII Funds; (iii) 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. (SC US GFVI) and Sequoia Capital U.S. Growth VI Principals Fund, L.P. (SC US GFVI PF), or collectively, the SC US GFVI Funds;

F3: (Continued from Footnote 2) (iv) 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. (SC US GFVII) and Sequoia Capital U.S. Growth VII Principals Fund, L.P. (SC US GFVII PF), or collectively, the SC US GFVII Funds; and (v) the general partner of SCGGF III - U.S./India Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund III - U.S./India Annex Fund, L.P. (SC GGFIII) and Sequoia Capital Global Growth Fund III - U.S./India Annex Principals Fund, L.P. (SC GGFIII PF), or collectively, the SC GGFIII Funds.

F4: (Continued from Footnote 3) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, and the SC GGFIII Funds. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGFII Funds and the SC GGFIII Funds are Douglas M. Leone and Roelof F. Botha. As a result, and by virtue of the relationship described in this footnote, each such person may be deemed to share voting and dispositive power with respect to the shares of Class A common stock held by the SC GGFII Funds and the SC GGFIII Funds as applicable.

F5: (Continued from Footnote 4) Each of SC US (TTGP), Ltd., SC U.S. Venture XIV Management, L.P., SC U.S. Growth VI Management, L.P., SC U.S. Growth VII Management, L.P., SC Global Growth II Management, L.P., SCGGF III - U.S./India Management, L.P., Mr. Leone and Mr. Botha disclaims beneficial ownership of the shares held by SC USV XIV Holdco, the GFVI Funds, the GFVII Funds, the GGF II Funds, and the GGF III Funds except to the extent of its or 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.

Row 1 · 2024-11-19 · Other · Disposed 4,405,162 · Balance 0

F1: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members.

F2: SC US (TTGP), Ltd. is (i) 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; (ii) 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; (iii) 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; (iv) the general partner of SCGGF III - U.S./India Management, L.P., or GGF III US IND MGMT; and (v) 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., collectively, the EXP I Funds.

F3: (Continue from Footnote 2) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by the GF VII Funds, the GGF II Funds, GGF III, GGFIII US IND MGMT and the EXP I Funds. The directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the GGF II Funds, GGF III, and GGF III US IND MGMT are Douglas M. Leone and Roelof Botha. As a result, and by virtue of the relationships described in this paragraph, each such person may be deemed to share voting and dispositive power with respect to the shares held by the GGF II Funds, GGF III, and GGF III US IND MGMT.

F4: (Continue from Footnote 3) The directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the GGF II Funds, GGF III, and GGF III US IND MGMT are Douglas M. Leone and Roelof Botha. As a result, and by virtue of the relationships described in this paragraph, each such person may be deemed to share voting and dispositive power with respect to the shares held by the GGF II Funds, GGF III, and GGF III US INDMGMT. Each of the reporting persons disclaims 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, as applicable, except to the extent of his or its 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.

Row 2 · 2024-11-19 · Other · Disposed 68,020 · Balance 0

F1: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members.

F2: SC US (TTGP), Ltd. is (i) 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; (ii) 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; (iii) 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; (iv) the general partner of SCGGF III - U.S./India Management, L.P., or GGF III US IND MGMT; and (v) 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., collectively, the EXP I Funds.

F3: (Continue from Footnote 2) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by the GF VII Funds, the GGF II Funds, GGF III, GGFIII US IND MGMT and the EXP I Funds. The directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the GGF II Funds, GGF III, and GGF III US IND MGMT are Douglas M. Leone and Roelof Botha. As a result, and by virtue of the relationships described in this paragraph, each such person may be deemed to share voting and dispositive power with respect to the shares held by the GGF II Funds, GGF III, and GGF III US IND MGMT.

F4: (Continue from Footnote 3) The directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the GGF II Funds, GGF III, and GGF III US IND MGMT are Douglas M. Leone and Roelof Botha. As a result, and by virtue of the relationships described in this paragraph, each such person may be deemed to share voting and dispositive power with respect to the shares held by the GGF II Funds, GGF III, and GGF III US INDMGMT. Each of the reporting persons disclaims 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, as applicable, except to the extent of his or its 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.

Row 3 · 2024-11-19 · Other · Disposed 1,774,756 · Balance 0

F1: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members.

F2: SC US (TTGP), Ltd. is (i) 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; (ii) 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; (iii) 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; (iv) the general partner of SCGGF III - U.S./India Management, L.P., or GGF III US IND MGMT; and (v) 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., collectively, the EXP I Funds.

F3: (Continue from Footnote 2) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by the GF VII Funds, the GGF II Funds, GGF III, GGFIII US IND MGMT and the EXP I Funds. The directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the GGF II Funds, GGF III, and GGF III US IND MGMT are Douglas M. Leone and Roelof Botha. As a result, and by virtue of the relationships described in this paragraph, each such person may be deemed to share voting and dispositive power with respect to the shares held by the GGF II Funds, GGF III, and GGF III US IND MGMT.

F4: (Continue from Footnote 3) The directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the GGF II Funds, GGF III, and GGF III US IND MGMT are Douglas M. Leone and Roelof Botha. As a result, and by virtue of the relationships described in this paragraph, each such person may be deemed to share voting and dispositive power with respect to the shares held by the GGF II Funds, GGF III, and GGF III US INDMGMT. Each of the reporting persons disclaims 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, as applicable, except to the extent of his or its 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.

Row 4 · 2024-11-19 · Other · Disposed 164,955 · Balance 0

F1: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members.

F2: SC US (TTGP), Ltd. is (i) 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; (ii) 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; (iii) 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; (iv) the general partner of SCGGF III - U.S./India Management, L.P., or GGF III US IND MGMT; and (v) 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., collectively, the EXP I Funds.

F3: (Continue from Footnote 2) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by the GF VII Funds, the GGF II Funds, GGF III, GGFIII US IND MGMT and the EXP I Funds. The directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the GGF II Funds, GGF III, and GGF III US IND MGMT are Douglas M. Leone and Roelof Botha. As a result, and by virtue of the relationships described in this paragraph, each such person may be deemed to share voting and dispositive power with respect to the shares held by the GGF II Funds, GGF III, and GGF III US IND MGMT.

F4: (Continue from Footnote 3) The directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the GGF II Funds, GGF III, and GGF III US IND MGMT are Douglas M. Leone and Roelof Botha. As a result, and by virtue of the relationships described in this paragraph, each such person may be deemed to share voting and dispositive power with respect to the shares held by the GGF II Funds, GGF III, and GGF III US INDMGMT. Each of the reporting persons disclaims 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, as applicable, except to the extent of his or its 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.

Row 5 · 2024-11-19 · Other · Disposed 1,837,391 · Balance 84,108

F1: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members.

F5: Sequoia Grove Manager, LLC is the manager of Sequoia Grove II, LLC and the general partner of Sequoia Grove UK, L.P. As a result, Sequoia Grove Manager, LLC may be deemed to share beneficial ownership with respect to the shares held by Sequoia Grove II, LLC and Sequoia Grove UK, L.P. Each of Sequoia Grove Manager, LLC, Sequoia Grove II, LLC and Sequoia Grove UK, L.P. disclaims beneficial ownership of the shares held by Sequoia Grove II, LLC or Sequoia Grove UK, L.P. except to the extent of its 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.

Row 6 · 2024-11-19 · Other · Disposed 12,796 · Balance 1,389

F1: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members.

F5: Sequoia Grove Manager, LLC is the manager of Sequoia Grove II, LLC and the general partner of Sequoia Grove UK, L.P. As a result, Sequoia Grove Manager, LLC may be deemed to share beneficial ownership with respect to the shares held by Sequoia Grove II, LLC and Sequoia Grove UK, L.P. Each of Sequoia Grove Manager, LLC, Sequoia Grove II, LLC and Sequoia Grove UK, L.P. disclaims beneficial ownership of the shares held by Sequoia Grove II, LLC or Sequoia Grove UK, L.P. except to the extent of its 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.

Row 7 · Balance 20,211,724

F6: SC US (TTGP), Ltd. is (i) the general partner of Sequoia Capital Fund Management, L.P., which is the general partner of Sequoia Capital Fund, LP (SCF) and the managing member of Sequoia Capital Fund Parallel, LLC (SCFP). As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by SCF and SCFP. Each of SC US (TTGP), Ltd., SCF and SCFP disclaims beneficial ownership of the shares held by SCF or SCFP except to the extent of its 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.

Row 8 · Balance 3,108,968

F6: SC US (TTGP), Ltd. is (i) the general partner of Sequoia Capital Fund Management, L.P., which is the general partner of Sequoia Capital Fund, LP (SCF) and the managing member of Sequoia Capital Fund Parallel, LLC (SCFP). As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by SCF and SCFP. Each of SC US (TTGP), Ltd., SCF and SCFP disclaims beneficial ownership of the shares held by SCF or SCFP except to the extent of its 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.

Row 9 · Balance 2,150,331

F2: SC US (TTGP), Ltd. is (i) 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; (ii) 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; (iii) 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; (iv) the general partner of SCGGF III - U.S./India Management, L.P., or GGF III US IND MGMT; and (v) 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., collectively, the EXP I Funds.

F3: (Continue from Footnote 2) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by the GF VII Funds, the GGF II Funds, GGF III, GGFIII US IND MGMT and the EXP I Funds. The directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the GGF II Funds, GGF III, and GGF III US IND MGMT are Douglas M. Leone and Roelof Botha. As a result, and by virtue of the relationships described in this paragraph, each such person may be deemed to share voting and dispositive power with respect to the shares held by the GGF II Funds, GGF III, and GGF III US IND MGMT.

F4: (Continue from Footnote 3) The directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the GGF II Funds, GGF III, and GGF III US IND MGMT are Douglas M. Leone and Roelof Botha. As a result, and by virtue of the relationships described in this paragraph, each such person may be deemed to share voting and dispositive power with respect to the shares held by the GGF II Funds, GGF III, and GGF III US INDMGMT. Each of the reporting persons disclaims 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, as applicable, except to the extent of his or its 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.

Row 10 · Balance 351,374

F2: SC US (TTGP), Ltd. is (i) 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; (ii) 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; (iii) 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; (iv) the general partner of SCGGF III - U.S./India Management, L.P., or GGF III US IND MGMT; and (v) 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., collectively, the EXP I Funds.

F3: (Continue from Footnote 2) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by the GF VII Funds, the GGF II Funds, GGF III, GGFIII US IND MGMT and the EXP I Funds. The directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the GGF II Funds, GGF III, and GGF III US IND MGMT are Douglas M. Leone and Roelof Botha. As a result, and by virtue of the relationships described in this paragraph, each such person may be deemed to share voting and dispositive power with respect to the shares held by the GGF II Funds, GGF III, and GGF III US IND MGMT.

F4: (Continue from Footnote 3) The directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the GGF II Funds, GGF III, and GGF III US IND MGMT are Douglas M. Leone and Roelof Botha. As a result, and by virtue of the relationships described in this paragraph, each such person may be deemed to share voting and dispositive power with respect to the shares held by the GGF II Funds, GGF III, and GGF III US INDMGMT. Each of the reporting persons disclaims 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, as applicable, except to the extent of his or its 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.

Row 11 · Balance 1,000,000

F2: SC US (TTGP), Ltd. is (i) 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; (ii) 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; (iii) 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; (iv) the general partner of SCGGF III - U.S./India Management, L.P., or GGF III US IND MGMT; and (v) 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., collectively, the EXP I Funds.

F3: (Continue from Footnote 2) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by the GF VII Funds, the GGF II Funds, GGF III, GGFIII US IND MGMT and the EXP I Funds. The directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the GGF II Funds, GGF III, and GGF III US IND MGMT are Douglas M. Leone and Roelof Botha. As a result, and by virtue of the relationships described in this paragraph, each such person may be deemed to share voting and dispositive power with respect to the shares held by the GGF II Funds, GGF III, and GGF III US IND MGMT.

F4: (Continue from Footnote 3) The directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the GGF II Funds, GGF III, and GGF III US IND MGMT are Douglas M. Leone and Roelof Botha. As a result, and by virtue of the relationships described in this paragraph, each such person may be deemed to share voting and dispositive power with respect to the shares held by the GGF II Funds, GGF III, and GGF III US INDMGMT. Each of the reporting persons disclaims 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, as applicable, except to the extent of his or its 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.

Row 12 · Balance 1,217,532

F2: SC US (TTGP), Ltd. is (i) 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; (ii) 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; (iii) 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; (iv) the general partner of SCGGF III - U.S./India Management, L.P., or GGF III US IND MGMT; and (v) 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., collectively, the EXP I Funds.

F3: (Continue from Footnote 2) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by the GF VII Funds, the GGF II Funds, GGF III, GGFIII US IND MGMT and the EXP I Funds. The directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the GGF II Funds, GGF III, and GGF III US IND MGMT are Douglas M. Leone and Roelof Botha. As a result, and by virtue of the relationships described in this paragraph, each such person may be deemed to share voting and dispositive power with respect to the shares held by the GGF II Funds, GGF III, and GGF III US IND MGMT.

F4: (Continue from Footnote 3) The directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the GGF II Funds, GGF III, and GGF III US IND MGMT are Douglas M. Leone and Roelof Botha. As a result, and by virtue of the relationships described in this paragraph, each such person may be deemed to share voting and dispositive power with respect to the shares held by the GGF II Funds, GGF III, and GGF III US INDMGMT. Each of the reporting persons disclaims 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, as applicable, except to the extent of his or its 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.

Row 1 · 2020-03-05 · Conversion · Acquired 1,294,093 · Balance 1,294,093

F1: SC US (TTGP), Ltd. is 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 SC GGFII Funds. As a result, SC US (TTGP), Ltd. and SC Global Growth II Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by the SC GGFII Funds. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGFII Funds are Messrs. Douglas M. Leone and Michael Abramson. As a result, and by virtue of the relationships described in this footnote, each such person may be deemed to share voting and dispositive power with respect to the shares held by the SC GGFII Funds.

F2: (Continued from footnote 1) Each of Messrs. Douglas M. Leone and Michael Abramson, SC US (TTGP), Ltd. and SC Global Growth II Management, L.P. disclaims beneficial ownership of the securities held by the SC GGFII Funds except to the extent of their 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.

Row 2 · 2020-03-09 · Conversion · Acquired 1,294,093 · Balance 1,294,093

F1: SC US (TTGP), Ltd. is 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 SC GGFII Funds. As a result, SC US (TTGP), Ltd. and SC Global Growth II Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by the SC GGFII Funds. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGFII Funds are Messrs. Douglas M. Leone and Michael Abramson. As a result, and by virtue of the relationships described in this footnote, each such person may be deemed to share voting and dispositive power with respect to the shares held by the SC GGFII Funds.

F2: (Continued from footnote 1) Each of Messrs. Douglas M. Leone and Michael Abramson, SC US (TTGP), Ltd. and SC Global Growth II Management, L.P. disclaims beneficial ownership of the securities held by the SC GGFII Funds except to the extent of their 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.

Row 11 · 2020-03-05 · Other · Disposed 1,294,093 · Balance 0

F5: Represents a pro rata distribution of Class A Common Stock of the Issuer to partners or members for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members.

F1: SC US (TTGP), Ltd. is 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 SC GGFII Funds. As a result, SC US (TTGP), Ltd. and SC Global Growth II Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by the SC GGFII Funds. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGFII Funds are Messrs. Douglas M. Leone and Michael Abramson. As a result, and by virtue of the relationships described in this footnote, each such person may be deemed to share voting and dispositive power with respect to the shares held by the SC GGFII Funds.

F2: (Continued from footnote 1) Each of Messrs. Douglas M. Leone and Michael Abramson, SC US (TTGP), Ltd. and SC Global Growth II Management, L.P. disclaims beneficial ownership of the securities held by the SC GGFII Funds except to the extent of their 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.

Row 12 · 2020-03-09 · Other · Disposed 1,294,093 · Balance 0

F5: Represents a pro rata distribution of Class A Common Stock of the Issuer to partners or members for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members.

F1: SC US (TTGP), Ltd. is 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 SC GGFII Funds. As a result, SC US (TTGP), Ltd. and SC Global Growth II Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by the SC GGFII Funds. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGFII Funds are Messrs. Douglas M. Leone and Michael Abramson. As a result, and by virtue of the relationships described in this footnote, each such person may be deemed to share voting and dispositive power with respect to the shares held by the SC GGFII Funds.

F2: (Continued from footnote 1) Each of Messrs. Douglas M. Leone and Michael Abramson, SC US (TTGP), Ltd. and SC Global Growth II Management, L.P. disclaims beneficial ownership of the securities held by the SC GGFII Funds except to the extent of their 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.

Row 3 · 2020-03-05 · Conversion · Acquired 16,041 · Balance 16,041

F1: SC US (TTGP), Ltd. is 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 SC GGFII Funds. As a result, SC US (TTGP), Ltd. and SC Global Growth II Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by the SC GGFII Funds. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGFII Funds are Messrs. Douglas M. Leone and Michael Abramson. As a result, and by virtue of the relationships described in this footnote, each such person may be deemed to share voting and dispositive power with respect to the shares held by the SC GGFII Funds.

F2: (Continued from footnote 1) Each of Messrs. Douglas M. Leone and Michael Abramson, SC US (TTGP), Ltd. and SC Global Growth II Management, L.P. disclaims beneficial ownership of the securities held by the SC GGFII Funds except to the extent of their 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.

Row 4 · 2020-03-09 · Conversion · Acquired 16,041 · Balance 16,041

F1: SC US (TTGP), Ltd. is 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 SC GGFII Funds. As a result, SC US (TTGP), Ltd. and SC Global Growth II Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by the SC GGFII Funds. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGFII Funds are Messrs. Douglas M. Leone and Michael Abramson. As a result, and by virtue of the relationships described in this footnote, each such person may be deemed to share voting and dispositive power with respect to the shares held by the SC GGFII Funds.

F2: (Continued from footnote 1) Each of Messrs. Douglas M. Leone and Michael Abramson, SC US (TTGP), Ltd. and SC Global Growth II Management, L.P. disclaims beneficial ownership of the securities held by the SC GGFII Funds except to the extent of their 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.

Row 13 · 2020-03-05 · Other · Disposed 16,041 · Balance 0

F5: Represents a pro rata distribution of Class A Common Stock of the Issuer to partners or members for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members.

F1: SC US (TTGP), Ltd. is 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 SC GGFII Funds. As a result, SC US (TTGP), Ltd. and SC Global Growth II Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by the SC GGFII Funds. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGFII Funds are Messrs. Douglas M. Leone and Michael Abramson. As a result, and by virtue of the relationships described in this footnote, each such person may be deemed to share voting and dispositive power with respect to the shares held by the SC GGFII Funds.

F2: (Continued from footnote 1) Each of Messrs. Douglas M. Leone and Michael Abramson, SC US (TTGP), Ltd. and SC Global Growth II Management, L.P. disclaims beneficial ownership of the securities held by the SC GGFII Funds except to the extent of their 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.

Row 14 · 2020-03-09 · Other · Disposed 16,041 · Balance 0

F5: Represents a pro rata distribution of Class A Common Stock of the Issuer to partners or members for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members.

F1: SC US (TTGP), Ltd. is 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 SC GGFII Funds. As a result, SC US (TTGP), Ltd. and SC Global Growth II Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by the SC GGFII Funds. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGFII Funds are Messrs. Douglas M. Leone and Michael Abramson. As a result, and by virtue of the relationships described in this footnote, each such person may be deemed to share voting and dispositive power with respect to the shares held by the SC GGFII Funds.

F2: (Continued from footnote 1) Each of Messrs. Douglas M. Leone and Michael Abramson, SC US (TTGP), Ltd. and SC Global Growth II Management, L.P. disclaims beneficial ownership of the securities held by the SC GGFII Funds except to the extent of their 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.

Row 5 · 2020-03-05 · Conversion · Acquired 3,763,287 · Balance 3,763,287

F3: SC US (TTGP), Ltd. is 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, LP and Sequoia Capital U.S. Growth VII Principals Fund, LP or collectively, the SC US GFVII Funds. As a result, SC US (TTGP), Ltd. and SC U.S. Growth VII Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by the SC US GFVII Funds. Each of SC US (TTGP), Ltd. and SC U.S. Growth VII Management, L.P. disclaims beneficial ownership of the securities held by the SC US GFVII Funds except to the extent of its 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.

Row 6 · 2020-03-09 · Conversion · Acquired 3,763,287 · Balance 3,763,287

F3: SC US (TTGP), Ltd. is 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, LP and Sequoia Capital U.S. Growth VII Principals Fund, LP or collectively, the SC US GFVII Funds. As a result, SC US (TTGP), Ltd. and SC U.S. Growth VII Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by the SC US GFVII Funds. Each of SC US (TTGP), Ltd. and SC U.S. Growth VII Management, L.P. disclaims beneficial ownership of the securities held by the SC US GFVII Funds except to the extent of its 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.

Row 15 · 2020-03-05 · Other · Disposed 3,763,287 · Balance 0

F5: Represents a pro rata distribution of Class A Common Stock of the Issuer to partners or members for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members.

F3: SC US (TTGP), Ltd. is 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, LP and Sequoia Capital U.S. Growth VII Principals Fund, LP or collectively, the SC US GFVII Funds. As a result, SC US (TTGP), Ltd. and SC U.S. Growth VII Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by the SC US GFVII Funds. Each of SC US (TTGP), Ltd. and SC U.S. Growth VII Management, L.P. disclaims beneficial ownership of the securities held by the SC US GFVII Funds except to the extent of its 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.

Row 16 · 2020-03-09 · Other · Disposed 3,763,287 · Balance 0

F5: Represents a pro rata distribution of Class A Common Stock of the Issuer to partners or members for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members.

F3: SC US (TTGP), Ltd. is 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, LP and Sequoia Capital U.S. Growth VII Principals Fund, LP or collectively, the SC US GFVII Funds. As a result, SC US (TTGP), Ltd. and SC U.S. Growth VII Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by the SC US GFVII Funds. Each of SC US (TTGP), Ltd. and SC U.S. Growth VII Management, L.P. disclaims beneficial ownership of the securities held by the SC US GFVII Funds except to the extent of its 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.

Row 7 · 2020-03-05 · Conversion · Acquired 244,900 · Balance 244,900

F3: SC US (TTGP), Ltd. is 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, LP and Sequoia Capital U.S. Growth VII Principals Fund, LP or collectively, the SC US GFVII Funds. As a result, SC US (TTGP), Ltd. and SC U.S. Growth VII Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by the SC US GFVII Funds. Each of SC US (TTGP), Ltd. and SC U.S. Growth VII Management, L.P. disclaims beneficial ownership of the securities held by the SC US GFVII Funds except to the extent of its 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.

Row 8 · 2020-03-09 · Conversion · Acquired 244,900 · Balance 244,900

F3: SC US (TTGP), Ltd. is 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, LP and Sequoia Capital U.S. Growth VII Principals Fund, LP or collectively, the SC US GFVII Funds. As a result, SC US (TTGP), Ltd. and SC U.S. Growth VII Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by the SC US GFVII Funds. Each of SC US (TTGP), Ltd. and SC U.S. Growth VII Management, L.P. disclaims beneficial ownership of the securities held by the SC US GFVII Funds except to the extent of its 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.

Row 17 · 2020-03-05 · Other · Disposed 244,900 · Balance 0

F5: Represents a pro rata distribution of Class A Common Stock of the Issuer to partners or members for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members.

F3: SC US (TTGP), Ltd. is 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, LP and Sequoia Capital U.S. Growth VII Principals Fund, LP or collectively, the SC US GFVII Funds. As a result, SC US (TTGP), Ltd. and SC U.S. Growth VII Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by the SC US GFVII Funds. Each of SC US (TTGP), Ltd. and SC U.S. Growth VII Management, L.P. disclaims beneficial ownership of the securities held by the SC US GFVII Funds except to the extent of its 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.

Row 18 · 2020-03-09 · Other · Disposed 244,900 · Balance 0

F5: Represents a pro rata distribution of Class A Common Stock of the Issuer to partners or members for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members.

F3: SC US (TTGP), Ltd. is 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, LP and Sequoia Capital U.S. Growth VII Principals Fund, LP or collectively, the SC US GFVII Funds. As a result, SC US (TTGP), Ltd. and SC U.S. Growth VII Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by the SC US GFVII Funds. Each of SC US (TTGP), Ltd. and SC U.S. Growth VII Management, L.P. disclaims beneficial ownership of the securities held by the SC US GFVII Funds except to the extent of its 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.

Row 9 · 2020-03-05 · Conversion · Acquired 38,908 · Balance 38,908

F4: SC US (TTGP), Ltd. is the general partner of SCGF V Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund V, LP. As a result, SC US (TTGP), Ltd. and SCGF V Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by Sequoia Capital U.S. Growth Fund V, LP. Each of SC US (TTGP), Ltd. and SCGF V Management, L.P. disclaims beneficial ownership of the securities held by Sequoia Capital U.S. Growth Fund V, LP. except to the extent of its 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.

Row 10 · 2020-03-09 · Conversion · Acquired 38,908 · Balance 38,908

F4: SC US (TTGP), Ltd. is the general partner of SCGF V Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund V, LP. As a result, SC US (TTGP), Ltd. and SCGF V Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by Sequoia Capital U.S. Growth Fund V, LP. Each of SC US (TTGP), Ltd. and SCGF V Management, L.P. disclaims beneficial ownership of the securities held by Sequoia Capital U.S. Growth Fund V, LP. except to the extent of its 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.

Row 19 · 2020-03-05 · Other · Disposed 38,908 · Balance 0

F5: Represents a pro rata distribution of Class A Common Stock of the Issuer to partners or members for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members.

F4: SC US (TTGP), Ltd. is the general partner of SCGF V Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund V, LP. As a result, SC US (TTGP), Ltd. and SCGF V Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by Sequoia Capital U.S. Growth Fund V, LP. Each of SC US (TTGP), Ltd. and SCGF V Management, L.P. disclaims beneficial ownership of the securities held by Sequoia Capital U.S. Growth Fund V, LP. except to the extent of its 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.

Row 20 · 2020-03-09 · Other · Disposed 38,908 · Balance 0

F5: Represents a pro rata distribution of Class A Common Stock of the Issuer to partners or members for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members.

F4: SC US (TTGP), Ltd. is the general partner of SCGF V Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund V, LP. As a result, SC US (TTGP), Ltd. and SCGF V Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by Sequoia Capital U.S. Growth Fund V, LP. Each of SC US (TTGP), Ltd. and SCGF V Management, L.P. disclaims beneficial ownership of the securities held by Sequoia Capital U.S. Growth Fund V, LP. except to the extent of its 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.

Row 21 · 2020-03-05 · Conversion · Disposed 1,294,093 · Balance 3,882,278

F6: Each share of Class B Common Stock is convertible at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock upon (a) other than Eric S. Yuan, the death of the Reporting Person, or (b) any transfer by the Reporting Person except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F1: SC US (TTGP), Ltd. is 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 SC GGFII Funds. As a result, SC US (TTGP), Ltd. and SC Global Growth II Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by the SC GGFII Funds. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGFII Funds are Messrs. Douglas M. Leone and Michael Abramson. As a result, and by virtue of the relationships described in this footnote, each such person may be deemed to share voting and dispositive power with respect to the shares held by the SC GGFII Funds.

F2: (Continued from footnote 1) Each of Messrs. Douglas M. Leone and Michael Abramson, SC US (TTGP), Ltd. and SC Global Growth II Management, L.P. disclaims beneficial ownership of the securities held by the SC GGFII Funds except to the extent of their 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.

Row 22 · 2020-03-09 · Conversion · Disposed 1,294,093 · Balance 2,588,185

F6: Each share of Class B Common Stock is convertible at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock upon (a) other than Eric S. Yuan, the death of the Reporting Person, or (b) any transfer by the Reporting Person except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F1: SC US (TTGP), Ltd. is 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 SC GGFII Funds. As a result, SC US (TTGP), Ltd. and SC Global Growth II Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by the SC GGFII Funds. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGFII Funds are Messrs. Douglas M. Leone and Michael Abramson. As a result, and by virtue of the relationships described in this footnote, each such person may be deemed to share voting and dispositive power with respect to the shares held by the SC GGFII Funds.

F2: (Continued from footnote 1) Each of Messrs. Douglas M. Leone and Michael Abramson, SC US (TTGP), Ltd. and SC Global Growth II Management, L.P. disclaims beneficial ownership of the securities held by the SC GGFII Funds except to the extent of their 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.

Row 23 · 2020-03-05 · Conversion · Disposed 16,041 · Balance 48,122

F6: Each share of Class B Common Stock is convertible at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock upon (a) other than Eric S. Yuan, the death of the Reporting Person, or (b) any transfer by the Reporting Person except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F1: SC US (TTGP), Ltd. is 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 SC GGFII Funds. As a result, SC US (TTGP), Ltd. and SC Global Growth II Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by the SC GGFII Funds. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGFII Funds are Messrs. Douglas M. Leone and Michael Abramson. As a result, and by virtue of the relationships described in this footnote, each such person may be deemed to share voting and dispositive power with respect to the shares held by the SC GGFII Funds.

F2: (Continued from footnote 1) Each of Messrs. Douglas M. Leone and Michael Abramson, SC US (TTGP), Ltd. and SC Global Growth II Management, L.P. disclaims beneficial ownership of the securities held by the SC GGFII Funds except to the extent of their 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.

Row 24 · 2020-03-09 · Conversion · Disposed 16,041 · Balance 32,081

F6: Each share of Class B Common Stock is convertible at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock upon (a) other than Eric S. Yuan, the death of the Reporting Person, or (b) any transfer by the Reporting Person except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F1: SC US (TTGP), Ltd. is 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 SC GGFII Funds. As a result, SC US (TTGP), Ltd. and SC Global Growth II Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by the SC GGFII Funds. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGFII Funds are Messrs. Douglas M. Leone and Michael Abramson. As a result, and by virtue of the relationships described in this footnote, each such person may be deemed to share voting and dispositive power with respect to the shares held by the SC GGFII Funds.

F2: (Continued from footnote 1) Each of Messrs. Douglas M. Leone and Michael Abramson, SC US (TTGP), Ltd. and SC Global Growth II Management, L.P. disclaims beneficial ownership of the securities held by the SC GGFII Funds except to the extent of their 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.

Row 25 · 2020-03-05 · Conversion · Disposed 3,763,287 · Balance 11,289,861

F6: Each share of Class B Common Stock is convertible at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock upon (a) other than Eric S. Yuan, the death of the Reporting Person, or (b) any transfer by the Reporting Person except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F3: SC US (TTGP), Ltd. is 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, LP and Sequoia Capital U.S. Growth VII Principals Fund, LP or collectively, the SC US GFVII Funds. As a result, SC US (TTGP), Ltd. and SC U.S. Growth VII Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by the SC US GFVII Funds. Each of SC US (TTGP), Ltd. and SC U.S. Growth VII Management, L.P. disclaims beneficial ownership of the securities held by the SC US GFVII Funds except to the extent of its 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.

Row 26 · 2020-03-09 · Conversion · Disposed 3,763,287 · Balance 7,526,574

F6: Each share of Class B Common Stock is convertible at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock upon (a) other than Eric S. Yuan, the death of the Reporting Person, or (b) any transfer by the Reporting Person except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F3: SC US (TTGP), Ltd. is 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, LP and Sequoia Capital U.S. Growth VII Principals Fund, LP or collectively, the SC US GFVII Funds. As a result, SC US (TTGP), Ltd. and SC U.S. Growth VII Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by the SC US GFVII Funds. Each of SC US (TTGP), Ltd. and SC U.S. Growth VII Management, L.P. disclaims beneficial ownership of the securities held by the SC US GFVII Funds except to the extent of its 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.

Row 27 · 2020-03-05 · Conversion · Disposed 244,900 · Balance 734,699

F6: Each share of Class B Common Stock is convertible at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock upon (a) other than Eric S. Yuan, the death of the Reporting Person, or (b) any transfer by the Reporting Person except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F3: SC US (TTGP), Ltd. is 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, LP and Sequoia Capital U.S. Growth VII Principals Fund, LP or collectively, the SC US GFVII Funds. As a result, SC US (TTGP), Ltd. and SC U.S. Growth VII Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by the SC US GFVII Funds. Each of SC US (TTGP), Ltd. and SC U.S. Growth VII Management, L.P. disclaims beneficial ownership of the securities held by the SC US GFVII Funds except to the extent of its 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.

Row 28 · 2020-03-09 · Conversion · Disposed 244,900 · Balance 489,799

F6: Each share of Class B Common Stock is convertible at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock upon (a) other than Eric S. Yuan, the death of the Reporting Person, or (b) any transfer by the Reporting Person except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F3: SC US (TTGP), Ltd. is 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, LP and Sequoia Capital U.S. Growth VII Principals Fund, LP or collectively, the SC US GFVII Funds. As a result, SC US (TTGP), Ltd. and SC U.S. Growth VII Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by the SC US GFVII Funds. Each of SC US (TTGP), Ltd. and SC U.S. Growth VII Management, L.P. disclaims beneficial ownership of the securities held by the SC US GFVII Funds except to the extent of its 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.

Row 29 · 2020-03-05 · Conversion · Disposed 38,908 · Balance 116,722

F6: Each share of Class B Common Stock is convertible at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock upon (a) other than Eric S. Yuan, the death of the Reporting Person, or (b) any transfer by the Reporting Person except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F4: SC US (TTGP), Ltd. is the general partner of SCGF V Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund V, LP. As a result, SC US (TTGP), Ltd. and SCGF V Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by Sequoia Capital U.S. Growth Fund V, LP. Each of SC US (TTGP), Ltd. and SCGF V Management, L.P. disclaims beneficial ownership of the securities held by Sequoia Capital U.S. Growth Fund V, LP. except to the extent of its 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.

Row 30 · 2020-03-09 · Conversion · Disposed 38,908 · Balance 77,814

F6: Each share of Class B Common Stock is convertible at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock upon (a) other than Eric S. Yuan, the death of the Reporting Person, or (b) any transfer by the Reporting Person except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F4: SC US (TTGP), Ltd. is the general partner of SCGF V Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund V, LP. As a result, SC US (TTGP), Ltd. and SCGF V Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by Sequoia Capital U.S. Growth Fund V, LP. Each of SC US (TTGP), Ltd. and SCGF V Management, L.P. disclaims beneficial ownership of the securities held by Sequoia Capital U.S. Growth Fund V, LP. except to the extent of its 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.