This Agreement may be executed in counterparts (and by different parties hereto on different counterparts), each of which shall constitute an original but all of which when taken together shall constitute a single contract, and shall become effective as provided in Section 6 hereof. Delivery of an executed counterpart of a signature page to this Agreement by facsimile or in electronic    (i.e., “pdf” or “tif”) format shall be effective as delivery of a manually executed counterpart of this Agreement.