This Agreement may be executed in several counterparts, each of which shall be deemed to be an original copy and all of which together shall constitute one and the same instrument binding on all parties hereto, notwithstanding that all parties shall not have signed the same counterpart. The exchange of copies of this Agreement and of signature pages by facsimile transmission and/or by electronic mail in Portable Document Format or similar format (“ PDF ”) constitutes effective execution and delivery of this Agreement and may be used in lieu of the original agreement for all purposes. Signatures of the parties transmitted by facsimile and/or by electronic mail in PDF will be deemed to be their original signatures for all purposes.