definiens: means the gross proceeds received by Nucana or its Affiliates from the sale of Products by [COMPANY] or i ts Affiliates after deduction of costs relating to [ * * * ] ; means those nucleoside families as set out in Schedule 1 and Nucleoside Family shall be construed accordingly ; means the gross proceeds received by Nucana or its Affiliates:(i ) from Licensees in connection with a licence or sub - licence of the Results or Foreground Intellectual Property, including but not limited to [ * * * ] ; and/or ( ii ) from Assignees in connection with assignation of the Results or Foreground Intellectual Property ; means a [ * * * ] engaged by the University on the Project pursuant to Clause 1.3.2 above ; Portions of this Exhibit, indicated by the mark were omitted and have been filed separately w ith the Securities and Exchange Commission pursuant to the Registrant ’s application requesting confidentia l treatment pursuant to Rule 406 of the Securities Ac t of 1933, as amended