All notices and other communications required or permitted under this Note shall be in writing and shall be delivered personally by hand or by courier, mailed by United States first-class mail, postage prepaid, sent by facsimile or sent by electronic mail directed (a) if to a Holder, at such Holder's address, facsimile number or electronic mail address set forth on the signature page hereto, or at such other address, facsimile number or electronic mail address as such Holder may designate by ten (10) days' advance written notice to the Company or (b) if to the Company, to its address, facsimile number or electronic mail address and directed to the attention of the Chief Executive Officer.  All such notices and other communications shall be deemed given upon personal delivery, on the date of mailing, upon confirmation of facsimile transfer or upon confirmation of electronic mail delivery.