This Amendment may be executed in any number of counterparts, each of which when executed and delivered shall be deemed an original, but all of which constitute one instrument. In making proof of this Amendment, it shall not be necessary to produce or account for more than one counterpart thereof signed by each of the parties hereto. Delivery of an executed counterpart of a signature page of this Amendment by facsimile or by e-mail “PDF” copy shall be effective as delivery of a manually executed counterpart of this Amendment.