This Agreement may not be amended nor may any provision hereof be waived except pursuant to a writing signed by the Borrower , the Administrative Agent and the requisite Lenders in accordance with Section 10.1 of the Credit Agreement. This Agreement may be executed by one or more of the parties to this Agreement on any number of separate counterparts, and all of said counterparts taken together shall be deemed to constitute one and the same instrument. Delivery of an executed signature page of this Agreement by email or facsimile transmission shall be effective as delivery of a manually executed counterpart hereof.