Any notice required or permitted by this Agreement shall be in writing and shall be deemed sufficient when delivered personally or at time of transmission if sent by telegram or fax or 48 hours after being deposited in the U.S. mail, as certified or registered mail, with postage prepaid, or 48 hours after being deposited with an express courier, or at the time an electronic confirmation of receipt is received if delivery is by email, and addressed to the party to be notified at such party’s address as set forth below or as subsequently modified by written notice.