All notices, requests, demands and other communications under this Agreement shall be in writing and shall be deemed duly given and received (a) when delivered by hand and receipted for by the party addressee, (b) when delivered by nationally recognized courier service, or (c) on the fifth day after being mailed by certified or registered mail with postage prepaid, return receipt requested, and in each of the foregoing cases, addressed to intended party at the address of such party shown on the signature page of this Agreement. Either party may change such party’s address for the giving of notices, requests, demands and other communications, or the person to whose attention such notices, requests, demands and other communications are to be given, by giving notice of such change to the other party in accordance with this Section.