Each notice and other communication to be given pursuant to this Plan shall be in writing and shall be deemed given only when (a) delivered by hand, (b) transmitted by facsimile (fax), (c) received by the addressee, if sent by registered or certified mail, return receipt requested, or by Express Mail, Federal Express or other overnight delivery service, to the Company at its principal office and to a Director at the last known address of such Director (or to such other address or fax number as a party may specify by notice given to the other party pursuant to this Section 10.8).