Any notice to the Company provided for in this instrument shall be addressed to the Compensation Committee at 1300 Morris Drive, Chesterbrook, PA 19087, and any notice to the Participant shall be addressed to such Participant at the current address shown on the payroll of the Company, or to such other address as the Participant may designate to the Company in writing. Any notice shall be delivered by hand, sent by overnight courier or telecopy or enclosed in a properly sealed envelope addressed as stated above, registered and deposited, postage prepaid, in a post office regularly maintained by the United States Postal Service.