Due Authorization. The Purchaser has the legal capacity and authority to enter into this Agreement. All actions on the Purchaser’s part necessary for the authorization, execution and delivery of this Agreement and the performance of the obligations of the Purchaser hereunder in the purchase of the Shares has been taken, and this Agreement constitutes a valid and legal binding obligation of the Purchaser enforceable in accordance with its terms, except # as limited by applicable bankruptcy, reorganization, moratorium and other laws of general application affecting enforcement of creditors’ rights generally, and # as limited by laws relating to the availability of specific performance, injunctive relief, or other equitable remedies.

Due Authorization. All corporate action on the part of AVRS necessary for the authorization, execution and delivery of the Agreement and the performance of the obligations of AVRS hereunder, and the authorization, issuance, sale and delivery of the Shares has been taken, and this Agreement constitutes a valid and legally binding obligation of AVRS, enforceable in accordance with its terms, except # as limited by applicable bankruptcy, insolvency, reorganization, moratorium and other laws of general application affecting enforcement of creditors’ rights generally, and # as limited by laws relating to the availability of specific performance, injunctive relief, or other equitable remedies.

Authorization; Enforcement. This Agreement has been duly and validly authorized. This Agreement has been duly executed and delivered on behalf of the Buyer, and this Agreement constitutes a valid and binding agreement of the Buyer enforceable in accordance with its terms.

Authorization; Enforcement. (i) The Company has all requisite corporate power and authority to enter into and perform this Agreement, the Note and to consummate the transactions contemplated hereby and thereby and to issue the Securities, in accordance with the terms hereof and thereof, # the execution and delivery of this Agreement, the Note by the Company and the consummation by it of the transactions contemplated hereby and thereby (including without limitation, the issuance of the Note and the issuance and reservation for issuance of the Conversion Shares issuable upon conversion or exercise thereof) have been duly authorized by the Company’s Board of Directors and no further consent or authorization of the Company, its Board of Directors, or its shareholders is required, # this Agreement has been duly executed and delivered by the Company by its authorized representative, and such authorized representative is the true and official representative with authority to sign this Agreement and the other documents executed in connection herewith and bind the Company accordingly, and # this Agreement constitutes, and upon execution and delivery by the Company of the Note, each of such instruments will constitute, a legal, valid and binding obligation of the Company enforceable against the Company in accordance with its terms.

Authorization; Enforcement. The Company has all requisite power and authority to execute, deliver and perform its obligations under the Transaction Agreements. The execution and delivery of the Exchange Transaction Documents, and the consummation by the Company of the transactions contemplated hereby, have been duly authorized by all necessary corporate action and no further action on the part of the Company or its Board of Directors or stockholders is required. The Exchange Transaction Documents have been validly executed and delivered by the Company and constitute legal, valid and binding agreements of the Company enforceable against the Company in accordance with their terms, except to the extent # rights to indemnity and contribution may be limited by state or federal securities laws or the public policy underlying such laws, # such enforceability may be limited by applicable bankruptcy, insolvency, reorganization, moratorium or similar laws affecting creditors’ and contracting parties’ rights generally and # such enforceability may be subject to general principles of equity (regardless of whether such enforceability is considered in a proceeding in equity or at law).

Authorization: Enforcement. The Buyer has the requisite corporate power and authority to enter into and to consummate the transactions contemplated by this Agreement and otherwise to carry out its obligations hereunder and thereunder. The execution and delivery of this Agreement by the Buyer and the consummation by it of the transactions contemplated hereby and thereby have been duly authorized by all necessary action on the part of the Buyer and no further action is required by the Buyer, the Board of Directors or the Buyer's stockholders in connection herewith or therewith. This Agreement has been (or upon delivery will have been) duly executed by the Buyer and, when delivered in accordance with the terms hereof and thereof, will constitute the valid and binding obligation of the Buyer enforceable against the Buyer in accordance with its terms, except # as limited by general equitable principles and applicable bankruptcy, insolvency, reorganization, moratorium and other laws of general application affecting enforcement of creditors' rights generally, # as limited by laws relating to the

Due Authorization. Each Credit Party has the corporate or other organizational power and authority to execute, deliver and carry out the terms and provisions of this Amendment, and has taken all necessary corporate or other organizational action to authorize the execution, delivery and performance of this Amendment, and has duly executed and delivered this Amendment.

Due Authorization. Such Party has taken all necessary action on its part to authorize the execution and delivery of this Agreement and the performance of its obligations hereunder.

Authorization; Enforcement; Validity. (i) ​ has the requisite corporate power and authority to enter into and perform its obligations under this Agreement and each of the other Transaction Documents, and to issue the Purchase Shares in accordance with the terms hereof and thereof, # the execution and delivery of the Transaction Documents by ​ and the consummation by it of the transactions contemplated hereby and thereby, including without limitation, the reservation for issuance and the issuance of the Purchase Shares issuable under this Agreement, have been duly authorized by ​'s Board of Directors and no further consent or authorization is required by ​, its Board of Directors or its stockholders, # this Agreement has been, and each other Transaction Document shall be on the Commencement Date, duly executed and delivered by ​ and # this Agreement constitutes, and each other Transaction Document upon its execution on behalf of ​, shall constitute, the valid and binding obligations of ​ enforceable against ​ in accordance with their terms, except as such enforceability may be limited by general principles of equity or applicable bankruptcy, insolvency, reorganization, moratorium, liquidation or similar laws relating to, or affecting generally, the enforcement of creditors' rights and remedies. The Board of Directors of ​ has approved the resolutions (the “Signing Resolutions”) substantially in the form as set forth as [Exhibit A] attached hereto to authorize this Agreement and the transactions contemplated hereby. The Signing Resolutions are valid, in full force and effect and have not been modified or supplemented in any respect. ​ has delivered to ​ a true and correct copy of signed minutes of a meeting of the Board of Directors of ​ at which the Signing Resolutions were duly adopted by the Board of Directors or a unanimous written consent adopting the Signing Resolutions executed by all of the members of the Board of Directors of ​. Except as set forth in this Agreement and approval of NYSE AMERICAN LLC, no other approvals or consents of ​’s Board of Directors and/or stockholders is necessary under applicable laws and ​’s Certificate of Incorporation and/or Bylaws to authorize the execution and delivery of this Agreement or any of the transactions contemplated hereby, including, but not limited to, the issuance of the Purchase Shares.

Authorization to Work. Please note that because of employer regulations adopted in the Immigration Reform and Control Act of 1986, within three (3) business days of starting your new position you will need to present documentation demonstrating that you have authorization to work in the United States. If you have questions about this requirement, which applies to U.S. citizens and non-U.S. citizens alike, you may contact our personnel office.