This Agreement may be executed in counterparts, and any party hereto may execute any such counterpart, each of which when executed and delivered shall be deemed to be an original and all of which counterparts taken together shall constitute but one and the same instrument. This Agreement shall become effective when each party shall have received a counterpart of such document signed by the other parties. The parties agree that the delivery of this Agreement may be effected by means of an exchange of facsimile or electronically transmitted signatures.