Any notice, demand or request required or permitted to be given by either the Company or the Investor pursuant to the terms of this Agreement shall be in writing and shall be deemed given when delivered (i) personally or (ii) on the fifth (5 th ) day after deposit in the U.S. mail, as certified or registered mail, with postage prepaid or the next business day after deposit with a commercial carrier for next day delivery, in each case addressed to such party at the address of such party set forth at the end of this Agreement or such other address as a party may request by notifying the other in writing.