All notices shall be given to Buyer and Seller at the address set forth on the first page of this Agreement, or the facsimile number or email address as the parties may exchange from time to time, and shall be deemed to have been delivered and received (i) if mailed, three (3) calendar days after deposited in the U.S. mail, first class, postage pre-paid, (ii) one (1) calendar day after deposit with an overnight mail or messenger service, or (iii) on the same date of confirmed transmission if sent by hand delivery, facsimile or email.