This Agreement may be executed in multiple counterparts, each of which constitutes an original and all of which together constitute one and the same instrument. A manually executed counterpart of this Agreement delivered by means of e-mail as a Portable Document Format file (“.pdf”) (or in any present or future file format intended to preserve the original graphic and pictorial appearance of a document), or by means of facsimile transmission, constitutes the valid and effective execution and delivery of this Agreement for all purposes and has the same force and effect for all purposes as the personal delivery of a manually executed counterpart bearing an original ink signature.