In the event that any one or more of the provisions contained herein or in the Warrants, or the application thereof in any circumstances, is held invalid, illegal or unenforceable, the validity, legality and enforceability of any such provisions in every other respect and of the remaining provisions contained herein and therein shall not be affected or impaired thereby; provided , that if any such excluded term, provision, covenant or restriction shall materially adversely affect the rights, immunities, duties or obligations of the Warrant Agent, the Warrant Agent shall be entitled to resign immediately. Furthermore, subject to the preceding sentence, in lieu of any such invalid, illegal or unenforceable provision, the parties hereto intend that there shall be added as a part of this Agreement a provision as similar in terms and commercial effect to such invalid, illegal or unenforceable provision as may be possible and be valid and enforceable.