Each Grantor hereby covenants and agrees that with respect to any Letter of Credit Rights pertaining to letters of credit described in clause (a)(ii) above hereafter arising it shall promptly and in no event later than thirty (30) days of its obtaining rights in such Letter of Credit Rights use its commercially reasonable efforts to obtain the consent of the issuer thereof to the assignment of the proceeds of such letter of credit to the Term Collateral Agent and shall deliver to the Term Collateral Agent a completed Pledge Supplement, substantially in the form of Exhibit A, together with all supplements to Schedules thereto.