This Amendment may be executed in multiple counterparts, each of which shall be deemed an original and all of which shall constitute one and the same instrument. The exchange of copies of this Amendment and signature pages by facsimile transmission, by electronic mail in portable document format form or by any other electronic means intended to preserve the original graphic and pictorial appearance of a document, or by combination of such means, shall constitute effective execution and delivery of this Amendment as to the parties hereto and may be used in lieu of the original Amendment for all purposes.