Transaction Details

Footnotes

474,632 shares held by NSV Partners III, L.P. and 220,086 shares held by New Science Ventures, LLC, respectively, were distributed on a pro rata basis, for no consideration. | NSV Partners III, L.P. is the general partner of NSV Investments I, L.P. The reporting person is the majority member and managing member of NSV Partners III GP, LLC, which is the general partner of NSV Partners III, L.P., and may be deemed to have voting and dispositive power over the shares owned by each entity of which NSV Partners III, L.P. is general partner. The reporting person is the majority member and managing member of NSV Partners II, LLC. The reporting person is the majority member and managing member of New Science Ventures, LLC. The reporting person disclaims beneficial ownership over the shares owned by each of the NSV Funds (as defined below), except to the extent of his pecuniary interest therein. | The shares beneficially owned by the reporting person consists of: (i) 1,807,664 shares owned by NSV Investments I, L.P., (ii) 906,974 shares owned by NSV Partners III, L.P., (iii) 408,520 shares owned by NSV Partners II, LLC, and (iv) 214,337 shares owned by New Science Ventures, LLC (collectively, the "NSV Funds").