Any notice or other communication to any party in connection with this Agreement shall be in writing and shall be sent by manual delivery, telegram, telex, facsimile transmission (with machine or oral confirmation of delivery), overnight courier or United States mail (postage prepaid) addressed to such party at the address specified on the signature page hereof, or at such other address as such party shall have specified to the other party hereto in writing delivered as required as required under this Section 15. All periods of notice shall be measured from the date of delivery thereof if manually delivered, from the date of sending thereof if sent by telegram, telex or facsimile transmission (with machine or oral confirmation of delivery), from the first business day after the date of sending if sent by overnight courier, or from four days after the date of mailing if mailed.