Except as otherwise provided herein, whenever any notice, demand, request or other communication shall or may be given to or served upon any party by any other party, or whenever any party desires to give or serve upon any other party any communication with respect to this Agreement, each such communication shall be in writing and shall be deemed to have been validly served, given or delivered (a) three days after deposit in the United States Mail, registered or certified mail, return receipt requested, with proper postage prepaid, (b) upon confirmed receipt, when sent by email transmission, (c) one Business Day after deposit with a reputable overnight courier with all charges prepaid or (d) when hand-delivered, all of which shall be addressed to the party to be notified and sent to the address or facsimile number indicated on the signature pages hereto or to such other address (or facsimile number) as may be substituted by notice given as herein provided.