| | This statement is filed by the following entities, collectively referred to as the “Reporting Persons”: • GV 2016, L.P., a Delaware limited partnership • GV 2016 GP, L.P., a Delaware limited partnership • GV 2016 GP, L.L.C., a Delaware limited liability company • GV 2017, L.P., a Delaware limited partnership • GV 2017 GP, L.P., a Delaware limited partnership • GV 2017 GP, L.L.C., a Delaware limited liability company • Alphabet Holdings LLC, a Delaware limited liability company • XXVI Holdings Inc., a Delaware corporation, and • Alphabet Inc., a Delaware corporation Each of GV 2016 GP, L.P. (the general partner of GV 2016, L.P.), GV 2016 GP, L.L.C. (the general partner of GV 2016 GP, L.P.), Alphabet Holdings LLC (the sole member of GV 2016 GP, L.L.C.), XXVI Holdings Inc. (the sole member of Alphabet Holdings LLC), and Alphabet Inc. (the controlling stockholder of XXVI Holdings Inc.) may be deemed to have sole power to vote or sole power to dispose of the securities owned directly by GV 2016, L.P. Each of GV 2017 GP, L.P. (the general partner of GV 2017, L.P.), GV 2017 GP, L.L.C. (the general partner of GV 2017 GP, L.P.), Alphabet Holdings LLC (the sole member of GV 2017 GP, L.L.C.), XXVI Holdings Inc. (the sole member of Alphabet Holdings LLC), and Alphabet Inc. (the controlling stockholder of XXVI Holdings Inc.) may be deemed to have sole power to vote or sole power to dispose of the securities owned directly by GV 2017, L.P. |
| | GV 2016, L.P. is a Delaware limited partnership, GV 2016 GP, L.P. is a Delaware limited partnership, GV 2016 GP, L.L.C. is a Delaware limited liability company, GV 2017, L.P. is a Delaware limited partnership, GV 2017 GP, L.P. is a Delaware limited partnership, GV 2017 GP, L.L.C. is a Delaware limited liability company, Alphabet Holdings LLC is a Delaware limited liability company, XXVI Holdings Inc. is a Delaware corporation, and Alphabet Inc. is a Delaware corporation. |