Transaction Details

Footnotes

Immediately prior to the closing of the Issuer's initial public offering, each share of Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stock (collectively, the "Preferred Stock") automatically converted into Common Stock on a one-for-one basis without payment of consideration. The Preferred Stock had no expiration date. Following conversion of the Preferred Stock into Common Stock and immediately prior to the closing of the Issuer's initial public offering, each share of Common Stock was reclassified into one share of Class A Common Stock in an exempt transaction pursuant to Rule 16b-7. | Shares held directly by DST Global VI, L.P. | Shares held directly by DST Investments XXI, L.P. | Shares held directly by DST Global VII, L.P. | Shares held directly by DSTG VII Investments-1, L.P. | Shares held directly by DSTG VI Investments-A, L.P. | Shares held directly by DSTG VI Investments, L.P. | Shares held directly by DSTG VII Investments-4, L.P. | DST Managers VI Limited ("DSTG Managers VI") is the general partner of each of DST Global VI, L.P., DST Investments XXI, L.P., DSTG VI Investments, L.P. and DSTG VI Investments-A, L.P. DSTG Managers VI is wholly-owned by DST Global Advisors Limited ("DST Global Advisors"). Cardew Services Limited ("Cardew Services") wholly owns DST Global Advisors. Galileo (PTC) Limited ("Galileo (PTC)") wholly owns Cardew Services. Despoina Zinonos is the sole equity owner of Galileo (PTC). Each of DST Managers VI, DST Global Advisors, Cardew Services, Galileo (PTC) and Ms. Zinonos disclaims beneficial ownership of the securities reported herein for purposes of Section 16 of the Exchange Act, except to the extent of its or her pecuniary interest therein, if any. This report shall not be deemed an admission that any of the Reporting Persons is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose. | DST Managers VII Limited ("DSTG Managers VII") is the general partner of each of DST Global VII, L.P., DSTG VII Investments-1, L.P. and DSTG VII Investments-4, L.P. DSTG Managers VII is wholly-owned by DST Global Advisors. Cardew Services wholly owns DST Global Advisors. Galileo (PTC) wholly owns Cardew Services. Ms. Zinonos is the sole equity owner of Galileo (PTC). Each of DST Managers VII, DST Global Advisors, Cardew Services, Galileo (PTC) and Ms. Zinonos disclaims beneficial ownership of the securities reported herein for purposes of Section 16 of the Exchange Act, except to the extent of its or her pecuniary interest therein, if any. This report shall not be deemed an admission that any of the Reporting Persons is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.