Authorization; Enforcement. This Agreement has been duly and validly authorized by the Buyer and has been duly executed and delivered on behalf of the Buyer, and this Agreement constitutes a valid

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 Warrant, the Note, and the Conversion Shares by the Company and the consummation by it of the transactions contemplated hereby and thereby (including without limitation, the issuance of the Note, Warrant, as well as the issuance and reservation for issuance of the Conversion Shares issuable upon conversion of the Note and/or exercise of the Warrant) have been duly authorized by the Company’s Board of Directors and no further consent or authorization of the Company, its Board of Directors, its shareholders, or its debt holders is required, # this Agreement and the Note (together with any other instruments executed in connection herewith or therewith) have 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, the Note and the other instruments documents executed in connection herewith or therewith 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 their terms.

Validity; Enforcement. This Agreement has been duly and validly authorized, executed and delivered on behalf of ​ and is a valid and binding agreement of ​ enforceable against ​ in accordance with its terms, subject as to enforceability to general principles of equity and to applicable bankruptcy, insolvency, reorganization, moratorium, liquidation and other similar laws relating to, or affecting generally, the enforcement of applicable creditors' rights and remedies. The execution and delivery of the Transaction Documents by ​ and the consummation by it of the transactions contemplated hereby do not conflict with ​’s certificate of organization or operating agreement or similar documents, and do not require further consent or authorization by ​, its managers or its members.

Enforcement Costs. If an attorney is retained to represent ​ for failure by ​ to deliver any Shares within two (2) Business Days as required under this Agreement, then ​ shall pay to ​, as incurred by ​, all reasonable costs and expenses including reasonable attorneys’ fees incurred in connection therewith, in addition to all other amounts due hereunder.

Cost of Tenant Improvements. The cost of the design, construction and installation of the Tenant Improvements shall be borne as follows:

Preliminary Total Development Cost Estimate. Based upon the ​’s Work described in [Schedule 1] and the ​ Improvement Allowance (defined below) for the ​ Improvements, ​ has prepared an estimate of the Total Development Costs (as defined in Exhibit J) for the Premises (the “Preliminary Total Development Cost Estimate”), which is set forth on [Schedule 3] attached hereto and includes detailed hard and soft cost budgets for the ​’s Work and the ​ Improvement Allowance.

Cost of Tenant’s ES Fitout. Except for the ES Allowance (hereinafter defined), all of Tenant’s ES Fitout shall be performed at Tenant’s sole cost and expense, and shall be performed in accordance with the provisions of the Lease (including, without limitation, [Article 11]). Tenant shall pay to Landlord, as additional rent, within ten (10) days after demand therefor, any costs or expenses incurred by Landlord (which shall be reasonably based on Tenant's usage) for the use of elevators and/or hoisting in connection with the performance of Tenant’s ES Fitout.

Technology Transfer Fee and Cost. Denali shall pay to ​ within fifteen (15) days following receipt of an invoice and notice of the completion of the Technology Transfer Plan from ​, a one-time payment of one million five hundred thousand dollars (U.S. $1,500,000).

The Lenders, the Cash Management Banks and the Hedge Banks agree that this Guaranty may be enforced only by the action of the Administrative Agent acting upon the instructions of the Required Lenders or such Cash Management Bank or Hedge Bank (only with respect to obligations under the applicable Secured Cash Management Agreement or Secured Hedge Agreement) and that no Lender, Cash Management Bank or Hedge Bank shall have any right individually to seek to enforce or to enforce this Guaranty, it being understood and agreed that such rights and remedies may be exercised by the Administrative Agent for the benefit of the Lenders under the terms of this Agreement and for the benefit of any Cash Management Bank or Hedge Bank under any Secured Cash Management Agreement or Secured Hedge Agreement, as applicable.

Regulatory Enforcement Actions. The Company, the Bank and its other Subsidiaries are in compliance in all material respects with all laws administered by and regulations of any Governmental Agency applicable to it or to them, except where the failure to comply would not have a Material Adverse Effect. None of the Company, the Bank, the Company’s or the Bank’s Subsidiaries nor any of their officers or directors is now operating under any restrictions, written agreements, memoranda, commitment letter, supervisory letter or similar regulatory correspondence, or other commitments (other than restrictions of general application) imposed by any Governmental Agency, nor are, to the Company’s knowledge, # any such restrictions threatened, # any agreements, memoranda or commitments being sought by any Governmental Agency, or # any legal or regulatory violations previously identified by, or penalties or other remedial action previously imposed by, any Governmental Agency remains unresolved.