This Agreement is personal and shall not be assignable by Silva and its terms, covenants and conditions shall be binding upon and inure to the benefit of the Company, or its successors and assigns.

This Agreement shall be construed and enforced in accordance with, and governed by, the laws of the State of New York, applicable to agreements made and to be performed in New York. This Agreement supersedes all prior Agreements and understandings relating to the subject matter hereof, and this Agreement may not be modified or amended or any term or provision thereof waived or discharged except in writing signed by the party against whom such amendment, modification, waiver or discharge is sought to be enforced. No waiver of any provision of this Agreement shall be valid unless in writing and signed by the person or party to be charged.

Abide by this Agreement. Honor and abide by the provisions contained in this Agreement;

Execution of this Agreement. This Agreement shall have been duly executed and delivered by the Parties.

Authorization of this Agreement. The USMS represents that this Agreement has been duly authorized, validly executed, and delivered by the USMS, and assuming due authorization, execution, and delivery of this Agreement by the Purchaser, constitutes a valid and binding obligation of the United States, enforceable against the United States in accordance with its terms.

Upon the unanimous agreement of the Parties hereto and the approval by the shareholders (meeting) of Party A, the Parties hereto may make amendments or supplements to this Agreement and take all necessary steps and actions, at their cost, to make such amendments or supplements legal and effective.

This Agreement shall come into force as of the date of execution or affixing seals by the Parties and shall be automatically terminated when Party A and/or the person designated by Party A has fully exercised its rights to purchase all equity interests held by Party C in Party B in accordance with the Exclusive Call Option Agreement. Once Party A notifies Party C in writing to fully or partially terminate this Agreement or change the Trustee, Party C shall immediately revoke the entrustment and authorization granted to Party A and the Trustee hereunder, and shall, as instructed by Party A in writing, immediately sign a Power of Attorney in the same form of the Power of Attorney as [Appendix 1] hereto to grant the same authorization and entrustment hereunder to the other person or entity designated by Party A.

Authority. Provider is validly existing and in good standing under the laws of the jurisdiction of its organization and has the power and authority to enter into this Agreement. This Agreement has been duly executed and delivered by Provider and constitutes the valid and binding obligation of Provider, enforceable against it in accordance with its terms. The execution, delivery and performance of this Agreement have been duly authorized by all necessary action on the part of Provider, its officers and directors.

Authority. The Company has the corporate power and authority to execute and deliver this Agreement and to carry out its obligations hereunder. The execution, delivery and performance by the Company of this Agreement and the consummation of the Exchange have been duly authorized by all necessary corporate action on the part of the Company, and no further approval or authorization is required on the part of the Company. This Agreement will be valid and binding on the Company and enforceable against the Company in accordance with its terms, except as the same may be limited by applicable bankruptcy, insolvency, reorganization, fraudulent transfer or conveyance, moratorium or similar laws affecting the enforcement of creditors rights generally and general equitable principles, regardless of whether such enforceability is considered in a proceeding at law or in equity.

Authority. Each party represents and warrants that it has due power and lawful authority to execute and deliver this Amendment and to perform its obligations under the Lease; and the Lease and this Amendment are the valid, binding and enforceable obligations of such party.