This Agreement may be executed in one or more counterparts, each of which shall be deemed to constitute an original, but all of which, when taken together, shall constitute one and the same instrument, with the same effect as if all of the parties to this Agreement had executed the same counterpart. Signatures to this Agreement delivered by facsimile or electronic mail in portable document format (“ PDF ”) shall be valid and effective to bind the party so signing, provided that each party agrees to promptly deliver an executed original to this Agreement with its actual signature to the other party, but a failure to do so shall not affect the enforceability of this Agreement, it being expressly agreed that each party to this Agreement shall be bound by its own facsimile or PDF signature and shall accept the facsimile or PDF signature of the other party to this Agreement.