F1The Series C-1 Preferred Stock is convertible into Common Stock on a 1:1 basis and has no expiration date. Immediately prior to the completion of the Issuer's initial public offering, all shares of Series C-1 Preferred Stock automatically converted into shares of Common Stock.
F2SCC Venture VI Holdco, Ltd. is wholly owned by Sequoia Capital China Venture Fund VI, L.P. The general partner of Sequoia Capital China Venture Fund VI, L.P. is SC China Venture VI Management L.P, the general partner of which is SC China Holding Limited, a company incorporated in the Cayman Islands. SC China Holding Limited is wholly owned by SNP China Enterprises Limited, a company wholly owned by Mr. Neil Nanpeng Shen. The address for Mr. Shen is Room 3606, China Central Place Tower 3, 77 Jianguo Road, Chaoyang District, Beijing 100027, China. Each of the Reporting Persons disclaims beneficial ownership of these securities 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.

Remarks

* /s/ Jung Yeon Son, by power of attorney for Neil Nanpeng Shen, an authorized signatory of SC China Holding Limited, the general partner of SC China Venture VI Management L.P., the general partner of Sequoia Capital China Venture VI, L.P., the sole member of SCC Venture VI Holdco, Ltd.