No party may assign (by operation of Law or otherwise) either this Agreement or any of his, her or its rights, interests or obligations hereunder without the prior written consent of the other parties, provided that Parent or Purchaser may assign its rights hereunder to one or more other Affiliates of Parent or Purchaser.. Subject to the preceding sentence, this Agreement shall be binding upon and shall inure to the benefit of the parties hereto and their respective successors. Any purported assignment in violation of this Agreement will be void ab initio .