OPTION TO INCREASE INVESTMENT AMOUNT. At any time before the end of the Commitment Period, the Company shall have the right, but not the obligation, to increase the Investment Amount to an amount not to exceed $10,000,000 in the aggregate by providing written notice of the Company’s election to increase the Investment Amount, which shall include the amount of the increase and the revised aggregate Investment Amount, to the Investor by email and by overnight courier at its address set forth in Section 10.16. Such increase in Investment Amount shall become effective upon the Company’s issuance and delivery to Investor of additional Commitment Shares pursuant to Section 6.4.