This Agreement may be executed in counterparts (and by different parties hereto in different counterparts), each of which shall constitute an original, but all of which when taken together shall constitute a single contract. Delivery of an executed counterpart of a signature page of this Agreement by telecopy or .pdf file shall be effective as delivery of a manually executed counterpart of this Agreement, but the party delivering a facsimile, pdf or other digital copy shall deliver an original copy of this Agreement as soon as possible after delivering the facsimile or other digital copy.