This Amendment may be executed by each of the parties hereto on any number of separate counterparts, each of which shall be an original and all of which taken together shall constitute one and the same instrument.  The parties agree that this Amendment and signature pages may be transmitted between them by facsimile or by electronic mail and that faxed and PDF signatures may constitute original signatures and that a faxed or PDF signature page containing the signature (faxed, PDF or original) is binding upon the parties.