All of the terms and provisions of this Letter shall be binding upon and inure to the benefit of and be enforceable by the respective heirs, executors, administrators, legal representatives, successors and assigns of the parties, except that your duties and responsibilities under this Letter are of a personal nature and shall not be assignable or delegatable in whole or in part by you. The Company shall require any successor (whether direct or indirect, by purchase, merger, consolidation, reorganization or otherwise) to all or substantially all of the business or assets of the Company, within fifteen (15) days of such succession, expressly to assume and agree to perform this Letter in the same manner as, and to the same extent that, the Company would be required to perform if no such succession had taken place.