Landlord shall provide Tenant with a tenant improvement allowance not to exceed $500,000.00 (the “Improvement Allowance”) to pay the costs and expenses for the portion of the Tenant’s Work that constitutes Leasehold Work (as hereinafter defined), the actual disbursed amount of which Landlord will amortize over three years of Initial Term at an annual interest rate of five percent (5%), payable by Tenant monthly in the same manner and at the time Tenant pays Base Rent; provided, however, that Tenant may reimburse Landlord in such additional amounts or in full for the Improvement Allowance at any time during the Initial Term without penalty. If the actual costs of the Leasehold Work exceed the Improvement Allowance, Tenant shall solely be responsible for the additional cost. The Improvement Allowance shall be used to pay for the portion of the Tenant’s Work described on Exhibit E attached hereto and to be performed by Tenant (the “Leasehold Work”).

Improvement Allowance and Disbursements. Landlord has agreed to provide Tenant with the Improvement Allowance set forth in Section 5.1 of the Lease. The Improvement Allowance shall be applied toward the Leasehold Cost as a reimbursement to Tenant as outlined in this Section 6. From time to time, but not more than twice in any calendar month # completion of any distinct portion of the Leasehold Work in accordance with the applicable Leasehold Plans, # Landlord’s receipt of a copy of the applicable invoice or contract being paid with such funds, # Landlord’s receipt of a copy of a final unconditional lien waiver from such materialman or contractor being paid with such funds to the extent Tenant is reasonably able to require lien waivers from such party and in such event Tenant is not able to obtain a lien waiver due to the type of supplier or vendor, Tenant shall provide such other evidence of payment as Landlord may reasonably request, Landlord will provide Tenant reimbursement for the portion of the applicable Leasehold Work, within five business days’ after request in accordance with the above deliveries, in an aggregate amount not to exceed the Improvement Allowance. Following Landlord’s payment of the entire Improvement Allowance, Landlord will amortize the entire Improvement Allowance over the first three years of the Lease term at an annual interest rate of five percent (5%), payable by Tenant monthly, subject to the repayment provision in Section 5.1 of the Lease. Tenant’s failure to timely pay such amounts owed hereunder shall be considered a default under this Lease.

Tenant Improvement Allowance. Landlord shall, as set forth below, contribute up to Eighty-Six Thousand, Four Hundred Ninety Dollars ($86,490.00) (i.e., $5.00 per rentable square foot of the Premises) (“Tenant’s Improvement Allowance”) towards the cost of the initial leasehold improvements to be installed by Tenant in the Premises (“Tenant’s Work”). Tenant’s Work shall be performed in accordance with Articles 12 and 13 hereof. If Tenant’s Improvement Allowance will not be sufficient to complete Tenant’s Work, Tenant shall pay the excess costs, prior to Landlord’s disbursing Tenant’s Improvement Allowance to Tenant.

Allowance. Tenant shall be entitled to a one-time tenant improvement allowance (the “Allowance”) in the amount of $4,159,870.00 to be applied toward the Allowance Items (defined in Section 1.2 below). Tenant shall be responsible for all costs associated with the Tenant Improvement Work, including the costs of the Allowance Items, to the extent such costs exceed the lesser of # the Allowance, or # the aggregate amount that Landlord is required to disburse for such purpose pursuant to this Work Letter. Notwithstanding any contrary provision hereof, if Tenant fails to use the entire Allowance by April 30, 2011, the unused amount shall revert to Landlord and Tenant shall have no further rights with respect thereto.

Improvements. Except as specifically set forth herein, Landlord shall not be obligated to provide or pay for any improvement work or services related to the improvement of the Premises, and Tenant shall continue to accept the Premises in its presently existing, "as-is" condition. Notwithstanding the foregoing, with respect to the Premises Tenant shall be entitled to a one-time tenant improvement allowance (the "Tenant Improvement Allowance") equal to $200,000.00 for the costs relating to the design and construction of Tenant's improvements which are permanently affixed to the Premises (the “Tenant Improvements”). The Tenant Improvement Allowance will be disbursed in accordance with Landlord's standard disbursement procedures, including, without limitation, following Landlord's receipt of # evidence (i.e., invoices or other documentation reasonably satisfactory to Landlord) of payment for the Tenant Improvements, and # fully executed, unconditional lien releases from all contractors, subcontractors, laborers, materialmen, and suppliers used by Tenant in connection with the Tenant Improvements. The Tenant Improvements shall be constructed in accordance with the terms and conditions of Section 9 of the Original Lease, except that Tenant may use non-union labor in connection with the Tenant Improvements. In no event shall Landlord be obligated to disburse any portion of the Tenant Improvement Allowance subsequent to December 31, 2019, nor shall Landlord be obligated to disburse any amount in excess of the Tenant Improvement Allowance in connection with the construction of the Tenant Improvements. No portion of the Tenant Improvement Allowance, if any, remaining after the construction of the Tenant Improvements shall be available for use by Tenant.

Tenant Improvements Allowance. Tenant shall be entitled to a tenant improvement allowance (the “Tenant Improvements Allowance”) in the maximum aggregate amount of $1,650,455.00 (i.e., $205.00 per rentable square foot of the entire Premises initially leased hereunder) (the “Maximum Allowance Amount”) for the hard costs and customary soft costs incurred by Landlord including, without limitation out-of-pocket architectural and engineering fees and a five (5%) project management fee payable to Landlord or its affiliates and permits, relating to the initial design and construction of Tenant’s improvements which are to be permanently affixed to the Premises in accordance with this Tenant Work Letter (the “Tenant Improvements”). At least eight-five percent (85%) of the Maximum Allowance Amount must be applied towards the hard costs of the Tenant Improvements. For the avoidance of any doubt, the purchase and installation of data and telecommunications cabling shall not be included in the definition of Tenant Improvements and there shall not be any project management fee payable with respect to costs and expenses related thereto. Landlord agrees to keep Tenant advised as to the progress of the work by providing copies of the Contractor’s applications for payment. The Tenant Improvements are described on the allocation of responsibility attached as Attachment 2 (the “Base TI Requirements”), and Landlord and Tenant acknowledge and agree that the Tenant Improvements Allowance shall be utilized subject to and pursuant to this Tenant Work Letter to construct the Tenant Improvements as described in the Base TI Requirements. In no event shall Landlord be obligated to make disbursements pursuant to this Tenant Work Letter in a total amount which exceeds the Maximum Allowance (as it may be increased by the Additional Allowance below). All Tenant Improvements for which the Tenant Improvements Allowance has been made available shall be deemed Landlord’s property under the terms of the Lease.

Allowance. Tenant shall be entitled to an allowance (the “Tenant Improvement Allowance”) in an amount not to exceed $110.00 per square foot of Rentable Area of the Premises for the costs relating to the design, permitting and construction of Tenant’s improvements which will be permanently affixed to the Premises in accordance with this Workletter (the “Tenant Improvements”). In no event will Landlord be obligated to make disbursements pursuant to this Workletter in a total amount which exceeds the Tenant Improvement Allowance. Tenant agrees that it shall commence the Tenant Improvements promptly following the Commencement Date and diligently proceed to complete the same. Tenant must submit Payment Request Supporting Documentation (defined below) for such work in accordance with this Workletter no later than April 1, 2020, after which date Landlord’s obligation to fund such costs shall expire.

Tenant Improvement Allowance. Subject to any restrictions, conditions or limitations expressly set forth in this Tenant Work Letter or in the Lease or as otherwise expressly provided by mutual written agreement of Landlord and Tenant, the cost of construction of the Tenant Improvements shall be paid or reimbursed by Landlord up to a maximum amount equal to $125.00 per rentable square foot of the Premises (i.e., $7,831,875.00 based upon 62,655 rentable square feet in the Premises) (the "Tenant Improvement Allowance"), which amount is being made available by Landlord to be applied towards the Cost of Improvements for the construction of the Tenant Improvements in the Premises, less any reduction in or charge against such amount pursuant to any applicable provisions of this Tenant Work Letter. Tenant shall be responsible, at its sole cost and expense, for payment of the entire Cost of Improvements of the Tenant Improvements in excess of the Tenant Improvement Allowance (such excess amount is referred to herein as the "Tenant Funds Amount", including (but not limited to) any costs or cost increases incurred as a result of delays (unless caused by Landlord), governmental requirements or unanticipated conditions (unless caused by Landlord), and for payment of any and all costs and expenses relating to any alterations, additions, improvements, furniture, furnishings, equipment, fixtures and personal property items which are not eligible for application of Tenant Improvement Allowance funds under the restrictions expressly set forth below in this paragraph, but Tenant shall be entitled to use or apply the entire Tenant Improvement Allowance toward the Cost of Improvements of the Tenant Improvements (subject to any applicable restrictions, conditions, limitations, reductions or charges set forth in the Lease or in this Tenant Work Letter) prior to being required to expend any of Tenant’s own funds for the Tenant Improvements. The funding of the Tenant Improvement Allowance shall be made on a monthly basis or at other convenient intervals mutually approved by Landlord and Tenant and in all other respects shall be based on such commercially reasonable disbursement conditions and procedures as Landlord, Project Manager and Landlord’s lender (if any) may reasonably prescribe. Notwithstanding the foregoing provisions, under no circumstances shall the Tenant Improvement Allowance or any portion thereof be used or useable by Tenant for any moving or relocation expenses of Tenant, or for any Cost of Improvement (or any other cost or expense) associated with any moveable furniture or trade fixtures, personal property or any other item or element which, under the applicable provisions of the Lease, will not become Landlord’s property and remain with the Building upon expiration or termination of the Lease.

Tenant Improvement Allowance. Tenant shall be entitled to a one-time tenant improvement allowance ("Tenant Improvement Allowance") in the amount of One Million Six Hundred Thirty-One Thousand Nine Hundred Thirty and No/100 Dollars ($1,631,930.00) for the cost relating to the initial design and the actual cost of constructing certain interior improvements which are permanently affixed to the Premises and approved in advance by Landlord ("Tenant Improvements"). Notwithstanding anything to the contrary contained in this Tenant Work Letter, in no event shall Landlord be obligated to make disbursements pursuant to this Tenant Work Letter in a total amount which exceeds the Tenant Improvement Allowance, and in no event shall Tenant be entitled to any portion of the Tenant Improvement Allowance not requested by Tenant (in accordance with the terms and conditions of this Work Letter) on or prior to the date that is ​ months following the Commencement Date.

Tenant Allowance. As consideration for the extension of the Lease as provided herein, Landlord shall provide Tenant with an allowance of up to $4.00 PSF (for a total amount of $53,320.00) (the “Allowance”) for improvements and/or alterations to the Premises. In order to receive all or a portion of the Allowance (as provided herein), Tenant shall provide to Landlord reasonable details of the work contemplated by the Tenant for the Premises (hereinafter the “Tenant Improvement Work”) and shall respond to all reasonable inquiries for information requested by Landlord. Landlord shall have twenty (20) days to review and approve such details for the proposed Tenant Improvement Work in its reasonable discretion, such approval not to be unreasonably withheld, conditioned or delayed. Notwithstanding any disapproval or condition related to an adverse impact of Tenant’s Improvement Work to the Building structure or the major systems of the Building shall be deemed reasonable. Failure by Landlord to approve or disapprove such proposed Tenant Improvement Work within the time limits prescribed herein shall constitute approval by Landlord. Landlord and Tenant shall work together in good faith to resolve any disputes or differences that arise in the event Landlord notifies Tenant in a timely fashion of its disapproval of any aspect of such proposed Tenant Improvement Work. In no event shall Tenant be responsible for payment to Landlord or Landlord’s architect or other consultants for costs incurred by Landlord in connection with Landlord’s review of Tenant’s proposed Tenant Improvement Work. Tenant shall be solely responsible for all permits and such other approvals required for the Tenant Improvement Work. Tenant shall cause the work to be completed in a good and workmanlike manner, using new materials, in compliance with law. Upon completion of the Tenant Improvement Work, Tenant shall provide Landlord with detailed as built plans and specifications as well as invoices related to the Tenant Improvement Work (hereinafter the “Tenant Improvement Work Invoices”). Within thirty (30) days of Landlord’s receipt (and reasonable review of the Work) of the Tenant Improvement Work Invoices and the final plans and specifications, Landlord shall pay Tenant the lesser of: # the total amount of the Tenant Improvement Work Invoices, or # the Allowance. For the avoidance of doubt, Tenant shall not be provided a rent credit to the extent that the cost of the Tenant Improvement Work is less than the amount of the Allowance. Tenant shall comply with terms of [Section 6.7] of the Lease in relation to the Tenant Improvement Work.