This Sublease may be executed in one or more counterparts, all of which shall be considered one and the same agreement, and shall become effective when one or more such counterparts have been signed by each of the parties hereto and delivered to each of the other parties hereto. The exchange of signature pages by facsimile or portable document format (.pdf) transmission shall constitute effective delivery of such signature pages and may be used in lieu of the original signature pages for all purposes.