All notices and other communications required or permitted under this Agreement shall be in writing and shall be delivered personally by hand or by overnight courier, mailed by United States first-class mail, postage prepaid, sent by facsimile or sent by electronic mail directed (a) if to an Investor, at such Investor's address, facsimile number or electronic mail address set forth in the Company's records, or at such other address, facsimile number or electronic mail address as such Investor may designate by ten (10) days' advance written notice to the other parties hereto or (b) if to the Company, to its address, facsimile number or electronic mail address set forth on its signature page to this Agreement and directed to the attention of its  President, or at such other address, facsimile number or electronic mail address as the Company may designate by ten (10) days' advance written notice to the other parties hereto. All such notices and other communications shall be effective or deemed given upon delivery, on the date that is three (3) days following the date of mailing, upon confirmation of facsimile transfer or upon confirmation of electronic mail delivery.