Except for the notice of revocation referenced in the Release, any notices, requests, demands and other communications provided for by this Agreement shall be sufficient if in writing and delivered in person or sent by a nationally recognized overnight courier service or by registered or certified mail, postage prepaid, return receipt requested, to Executive at the last address he has filed in writing with the Company or, in the case of the Company, at its main offices, attention of the General Counsel.  Delivery by overnight courier service shall be effective on the first business day after mailing.  Delivery by registered or certified mail shall be effective three days after mailing.  Delivery in person shall be effective upon delivery.