Unless this Note has been previously converted in accordance with the terms of Section 3 hereunder, the Principal Amount and all accrued but unpaid interest thereon shall be due and payable on the date that is the earlier of the (i) 5-year anniversary of the date hereof, or (ii) the date that the Borrower completes a Qualified Financing (as hereafter defined) (the “ Maturity Date ”). On the affirmative vote of the holders of at least two-thirds (2/3rds) of the outstanding aggregate Principal Amount of this Note and each of the Other Notes (the “ Required Holders ”), the Borrower may from time to time extend the Maturity Date of this Note and each of the Other Notes. All payments shall be made in lawful money of the United States of America at the principal office of the Borrower, or at such other place as the holder hereof may from time to time designate in writing to the Borrower. Payment shall be credited first to accrued interest due and payable and the remainder applied to principal. The Borrower hereby waives demand, notice, presentment, protest and notice of dishonor.