Other than consummating the transactions contemplated hereunder, such Purchaser has not, nor has any Person acting on behalf of or pursuant to any understanding with such Purchaser, directly or indirectly executed any purchases or sales, including Short Sales, of the securities of the Company during the period commencing as of the time that such Purchaser first received a term sheet (written or oral) from the Company or any other Person representing the Company setting forth the material terms of the transactions contemplated hereunder and ending immediately prior to the execution hereof .  The Purchaser covenants and agrees that neither it, nor any Affiliate acting on its behalf or pursuant to any understanding with it will execute any Short Sales of the Common Stock or (ii) hedging transaction, which establishes a net short position with respect to the Company’s Common Stock during the period commencing with the execution of this Agreement and ending on the earlier Maturity Date (as defined in the Notes) of the Notes or the full repayment or conversion of the Notes; provided that this provision shall not prohibit any sales made where a corresponding Notice of Conversion is tendered to the Company and the shares received upon such conversion or exercise are used to close out such sale; provided, further that this provision shall not operate to restrict a Purchaser’s trading under any prior securities purchase agreement containing contractual rights that explicitly protects such trading in respect of the previously issued securities .