This Agreement may be executed in two or more identical counterparts, all of which shall be considered one and the same agreement and shall become effective when counterparts have been signed by each party and delivered to the other party; provided , that a facsimile signature or counterpart delivered by other electronic transmission (such as electronic mail of .pdf files), shall be considered due execution and shall be binding upon the signatory thereto with the same force and effect as if the signature were an original, not a facsimile signature or counterpart delivered by other electronic transmission.