This Agreement may be signed in any number of counterparts, each of which (when executed and delivered) shall constitute an original instrument, but all of which together shall constitute one and the same instrument.  This Agreement shall become effective and be deemed to have been executed and delivered by each of the parties at such time as counterparts hereto shall have been executed and delivered by all of the parties, regardless of whether all of the parties have executed the same counterpart.  Counterparts may be delivered via electronic transmission (including pdf) and any counterpart so delivered shall be deemed to have been duly and validly delivered and be valid and effective for all purposes.