Part VI - Improvement Allowance 6.1 Space Plan Allowance. In addition to the Improvement Allowance, Landlord shall provide to Tenant an allowance (the “Space Plan Allowance”) of ten cents ($0.10) per square foot of Rentable Area in the Building (as contemplated by the Base Building Schematic Drawings), but in any event in an aggregate amount of not less than $30,000, to be used by Tenant in connection with its initial space planning for the Tenant Improvements. Landlord shall disburse the Space Plan Allowance (or portion thereof) to Tenant’s Architect (or to Tenant, if Tenant provides evidence of payment of Tenant’s Architect from its own funds) from time to time in such amounts as requested by Tenant, and, in any event, within 30 days after request by Tenant together with invoice(s) supporting the amount of such requested disbursement of the Space Plan Allowance. Any unused portion of the Space Plan Allowance shall be added to the Improvement Allowance.

Improvement Allowance. Tenant shall be entitled to a one-time improvement allowance (the "Improvement Allowance") in the amount of Six Million Seven Hundred Sixty-Seven Thousand Five Hundred and 00/100 Dollars ($6,767,500) (i.e., Fifty and 00/100 Dollars ($50.00) per rentable square foot of the Premises) for the costs relating to the initial design and construction of the improvements, which are permanently affixed to the Premises (the "Improvements"). In addition to the Improvement Allowance, Tenant shall be entitled to an amount up to $0.15 per rentable square foot of the entire Premises towards the cost of one (1) preliminary space plan for the entire Premises (the "Space Planning Allowance"). Landlord shall not be obligated to pay a total amount for the design and construction of the Improvements which exceeds the Improvement Allowance and the Space Planning Allowance, as applicable. Notwithstanding the foregoing or any contrary provision of this Lease, all Improvements shall be deemed Landlord's property under the terms of this Lease. Any unused portion of the Improvement Allowance remaining as of the date twelve (12) months after the last Delivery Date, shall remain with Landlord and Tenant shall have no further right thereto.

Section # Space Planning Allowance. Landlord shall provide an allowance (the “Space Planning Allowance”) to Tenant of up to $8,440.00 to reimburse Tenant for the architectural and engineering fees incurred by Tenant in preparing an initial space plan for the Premises. Said Space Planning Allowance shall be provided to Tenant not later than thirty (30) days after delivery to Landlord of the initial space plan, along with a copy of the invoice for said architectural and engineering fees.

TI Allowance; Space Planning Allowance. Landlord shall provide to Tenant # a tenant improvement allowance (the "TI Allowance") of $185.00 per rentable square foot of the Premises, being $14,643,675.00 in the aggregate, and # a space planning (including test fits) allowance of $0.12 per rentable square foot of the Premises, being $9,498.60 in the aggregate (the “Space Planning Allowance”). The TI Allowance and the Space Planning Allowance shall be disbursed in accordance with this Work Letter. Any unused portion of the TI Allowance and/or the Space Planning Allowance shall be forfeited and shall cease to be available to Tenant after a period of 24 months following the Commencement Date (provided that such 24-month period shall be extended to pay for any Final Punchlist items that are still to be completed as of the expiration of such 24-month period). Tenant shall have the right to use (and Landlord shall apply) the TI Allowance only towards # hard and soft construction costs of the Tenant Improvements described in the TI Construction Drawings approved pursuant to Section 2(c), including, but not limited to, any architectural and engineering fees, design, permits, electrical power and other utilities, the cost of preparing the TI Design Drawings and the TI Construction Drawings (except to the extent such costs are paid for with the Space Planning Allowance), costs resulting from Tenant Delays and the cost of Changes, costs set forth in the Budget, including Landlord's Administrative Rent, and # Tenant’s signage, furniture, and Tenant's voice and data cabling (collectively, "TI Costs"). Tenant shall have the right to use and apply the Space Planning Allowance only for the costs and expenses of preparing the TI Design Drawings and/or the TI Construction Drawings. Tenant shall have no right to the use or benefit of any portion of the TI Allowance or the Space Planning Allowance for any other purpose (including the reduction or payment of Base Rent, the cost of any personal property (other than Tenant’s signage and furniture) or other non-Building system materials or equipment, including, but not limited to, non-ducted biological safety cabinets and other scientific equipment not incorporated into the Tenant Improvements). The Space Planning Allowance shall be used for the payment of the costs and expenses of preparing the TI Design Drawings and/or the TI Construction Drawings prior to the TI Fund being used for the payment of the remainder of such costs in accordance with the terms of this Work Letter.