This Agreement may be executed in multiple counterparts, each of which shall be deemed an original and all of which taken together shall constitute but a single instrument. The exchange of copies of this Agreement and of signature pages by facsimile or PDF transmission shall constitute effective execution and delivery of this Agreement as to the Parties and may be used in lieu of an original of this Agreement for all purposes. Signatures of the Parties transmitted by facsimile or PDF transmission shall be deemed to be their original signatures for all purposes.