Any notice provided for in this Agreement shall be in writing and shall be either personally delivered, or mailed certified mail (postage prepaid, return receipt requested) and by first class U.S. mail (postage prepaid) or sent by reputable overnight courier service (charges prepaid) to the Company or the Investor, as applicable at the addresses set forth below. Notices complying with the requirements of this Section 8 shall be deemed given when delivered personally, three days after deposit in the U.S. mail or one day after deposit with a reputable overnight courier service.