All notices and other communications required or permitted hereunder or necessary or convenient in connection herewith shall be in writing and shall be deemed to have been given three business days after the date mailed when mailed by registered or certified mail, postage prepaid, or the next business day if sent by special courier such as FedEx (except that notice of change of address shall be deemed given only when received), to the address shown on the Company's records, in the case of the Investor, and of the Company's registered office, in the case of the Company, or to such other names or addresses as the Company or the Investor, as the case may be, shall designate by notice to the other party in the manner specified in this Section.