Notices and all other communications under this Agreement shall be in writing and shall be deemed given when mailed by United States registered or certified mail, return receipt requested, postage prepaid, addressed as follows: if to the Company, to the principal headquarters of the Company, attention: General Counsel; and if to Employee, to Employee's most recent address in the Company's records; or, in each respective case, to such other address as either Party may furnish to the other in writing, except that notices of changes of address shall be effective only upon receipt.