For all purposes of this Agreement, all communications, including without limitation notices, consents, requests or approvals, required or permitted to be given hereunder will be in writing and will be deemed to have been duly given when hand-delivered or dispatched by electronic facsimile transmission (with receipt thereof orally confirmed), or five (5) business days after having been mailed by United States registered or certified mail, return receipt requested, postage prepaid, or three (3) business days after having been sent by a nationally recognized overnight courier service such as FedEx or UPS, addressed to the Company (to the attention of John Sullivan, Vice President and Associate General Counsel) at its principal executive office and to Executive at his principal residence, or to such other address as any party may have furnished to the other in writing and in accordance herewith, except that notices of changes of address will be effective only upon receipt.