This Guarantee may be executed in any number of counterparts, each such counterpart being deemed to be an original instrument, and all such counterparts shall together constitute the same agreement and shall become effective when counterparts have been signed by each of the parties hereto and delivered to the other parties, it being understood that all parties need not sign the same counterpart. This Guarantee may be executed and delivered by facsimile transmission, by electronic mail in “portable document format” (“ pdf ”) form, or by any other electronic means intended to preserve the original graphic and pictorial appearance of a document, or by combination of such means.