Transaction Details

Footnotes

Each share of the Series A-3 Preferred Stock, Series A-4 Preferred Stock and Series C Preferred Stock converted into 0.4136 share of Class B Common Stock at the closing of the initial public offering. The Series A-3 Preferred Stock, Series A-4 Preferred Stock and Series C Preferred Stock had no expiration date. | Each share of Series B Preferred Stock converted into 0.4403 share of Class B Common Stock at the closing of the initial public offering. The Series B Preferred Stock had no expiration date. | These shares are held of record by Qiming Managing Directors Fund VI, L.P. ("Qiming Managing Directors"). Qiming Corporate GP VI, Ltd. ("Qiming Corporate") serves as the general partner of Qiming Managing Directors and may be deemed to have voting and dispositive power over the shares held by Qiming Managing Directors. Qiming Corporate disclaims beneficial ownership of such shares, except to the extent of its proportionate pecuniary interest therein. | These shares are held of record by Qiming Venture Partners VI, L.P., ("Qiming Venture Partners VI"). Qiming Corporate, through one intermediary, serves as the indirect general partner of Qiming Venture Partners VI and may be deemed to have voting and dispositive power over the shares held by Qiming Venture Partners VI. Qiming Corporate disclaims beneficial ownership of such shares, except to the extent of its proportionate pecuniary interest therein. | These shares are held of record by Qiming Venture Partners VIII Investments, LLC ("QVP VIII LLC"). Qiming GP VIII, LLC, through two parallel intermediaries, serves as the indirect general partner of QVP VIII LLC and may be deemed to have voting and dispositive power over the shares held by QVP VIII LLC. Qiming GP VIII, LLC disclaims beneficial ownership of such shares, except to the extent of its proportionate pecuniary interest therein. | These shares are held of record by Qiming Venture Partners VIII-HC, L.P. ("QVP VIII-HC"). Qiming GP VIII-HC, LLC serves as the general partner of QVP VIII-HC and may be deemed to have voting and dispositive power over the shares held by QVP VIII-HC. Qiming GP VIII-HC, LLC disclaims beneficial ownership of such shares, except to the extent of its proportionate pecuniary interest therein. | Each share of Class B Common Stock was automatically reclassified into one share of Common Stock immediately prior to the completion of the Issuer's initial public offering of Common Stock.