This Agreement may be executed and accepted in one or more counterparts for the convenience of the parties, each of which will be deemed an original and all of which, taken together, shall constitute one and the same instrument. Delivery of a facsimile of a manually executed counterpart hereof via facsimile transmission or by electronic mail transmission, including but not limited to an Adobe file format document (also known as a PDF file), shall be as effective as delivery of a manually executed counterpart hereof.