Except to the extent set forth and amended expressly herein, each of the Parties hereto acknowledges and agrees that all terms and provisions, covenants and conditions of the Purchase Agreement and all documents executed in conjunction therewith shall be and remain in full force and effect. Further, each of the Parties hereto acknowledges and agrees that the Purchase Agreement as amended hereby, shall constitute its legal, valid, and biding obligation, in each case, enforceable in accordance with its terms.