The closing of the sale and purchase of the Sorrento Shares and the NantKwest Shares (the “ Closing ”) shall occur on or before July 8, 2016 (such date to be mutually agreed between the parties).  At the Closing: (a)  CSSFF will convey, assign and transfer to Sorrento the Sorrento Shares ; (b)  Sorrento will convey, assign and transfer to CSSFF the NantKwest Shares; (c) Sorrento will wire transfer to CSSFF in immediately available funds the aggregate amount of $15,639,071.95 to the account designated by CSSFF by written notice delivered to Sorrento by July 1, 2016; and (d) Cambridge will surrender the original Sorrento Warrant to Sorrento for cancellation and Sorrento will issue to Cambridge a new warrant of like tenor representing the right to purchase up to an aggregate of 1,224,138 shares of Sorrento Common Stock at an exercise price of $5.80 per share.