This Agreement may be executed in two or more counterparts, each of which shall constitute an original, but all of which, when taken together, shall constitute but one instrument, and shall become effective when one or more counterparts have been signed by each party hereto and delivered to the other parties.  Any signature page delivered electronically or by facsimile (including without limitation transmission by.pdf or other fixed image form) shall be binding to the same extent as an original signature page.