Amendments. No provision of this Agreement may be amended, modified, or waived, except in a writing signed by the Investor, the Company and, in accordance with Section 9, the Observer.

Amendment. Any provision of this Agreement may be amended and the observance thereof may be waived (either generally or in a particular instance and either retroactively or prospectively), only with the written consent of the Company and Investor. Any amendment or waiver affected in accordance with this Section 9 shall be binding upon the Company.

Amendments; Waiver. No modification of or amendment to this Agreement, or any waiver of any rights under this Agreement, will be effective unless in writing and signed by the Investors and the Company.

Amendments and Waivers. The provisions of this Agreement may not be amended, modified or supplemented, and waivers or consents to departures from the provisions hereof may not be given, unless the same shall be in writing and signed by the Company and Investor or, if investor does not own Registerable Securities, a majority in interest of the Holders.