Improvement Allowance. Landlord and Tenant hereby acknowledge that pursuant to the terms of Section 2.5 of the First Amendment Work Letter and Section 2 of the Second Amendment, Tenant is entitled to a one-time Improvement Allowance in the amount of $12,698,190.00 (the "12780 Improvement Allowance") for the costs relating to the initial design and construction of the improvements which are permanently affixed to the Premises. In connection with the increase of the Landlord Contribution Amount set forth in Section 8 above, Landlord and Tenant hereby desire to decrease such 12780 Improvement Allowance, and accordingly, effective as of the date of this Third Amendment, # Landlord and Tenant hereby decrease the 12780 Improvement Allowance by $50,000.00 to a new total of $12,648,190.00, and # the term “12780 Improvement Allowance” shall hereafter refer to such amount.

Improvement Allowance And Additional Allowance. Tenant shall be entitled to a one-time improvement allowance (the "Improvement Allowance") in the amount set forth in Section 13 of the Summary for the costs relating to the initial design and construction of the improvements (the "Improvements"). Notwithstanding anything above to the contrary, in the event there exists an Over-Allowance Amount (as defined in [Section 4.2.1] below), Tenant shall have the option, exercisable upon written notice to Landlord prior to the date Tenant is obligated to pay such Over-Allowance Amount, to receive an allowance (the "Additional Allowance") in the amount not to exceed Thirty-Five Dollars ($35.00) per rentable square foot of the Premises. In the event Tenant exercises such option and as consideration for Landlord providing such Additional Allowance to Tenant, the Base Rent payable by Tenant throughout the entire one hundred forty-four (144) month initial Lease Term ("Amortization Period") shall be increased by an amount sufficient to fully amortize such Additional Allowance throughout said one hundred forty-four (144) month period based upon monthly payments of principal and interest, with interest imputed on the outstanding principal balance at the rate of eight percent (8%) per annum (the "Amortization Rent"). In such event, Section 4 of the Summary shall be revised to reflect such increased Base Rent for all time periods under this Lease. Such revised Base Rent schedule shall be memorialized in an amendment to this Lease to be executed by Landlord and Tenant. In the event the Lease shall terminate as a result of a default by Tenant under the terms of the Lease or this Work Letter, Tenant acknowledges and agrees that the unamortized balance of the Additional Allowance which has not been paid by Tenant to Landlord as of the termination date pursuant to the foregoing provisions of this Section 2.1, shall become immediately due and payable as unpaid

Date, Tenant shall be entitled, pursuant to a written notice delivered to Landlord, to a one-time increase (the "Additional Improvement Allowance") of the Improvement Allowance in an amount not to exceed $2,399,925.00 (i.e., $25.00 per rentable square foot of the Premises), for the costs relating to the initial design and construction of the Improvements. In the event Tenant exercises its right to use all or any portion of the Additional Improvement Allowance, the monthly Base Rent for the Premises shall be increased by an amount equal to the "Additional Monthly Base Rent," as that term is defined below, in order to repay the Additional Improvement Allowance to Landlord. The "Additional Monthly Base Rent" shall be determined as the missing component of an annuity, which annuity shall have (i) the amount of the Additional Improvement Allowance which Tenant elects to utilize as the present value amount, (ii) the number of months of the Lease Term as the number of payments, (iii) 0.67%, which is equal to 8% divided by twelve (12) months per year, as the monthly interest factor and (iv) the Additional Monthly Base Rent as the missing component of the annuity. In the event Tenant elects to utilize all or a portion of the Additional Improvement Allowance, then (a) all references in this Work Letter to the "Improvement Allowance", shall be deemed to include the Additional Improvement Allowance which Tenant elects to utilize, (b) the parties shall promptly execute an amendment (to this Lease setting forth the new amount of the Base Rent and Improvement Allowance computed in accordance with this Section 3.3, (c) Tenant shall deposit with Landlord, concurrently with Tenant's execution and delivery of the amendment to Landlord, cash in an amount equal to the Additional Monthly Base Rent, which amount shall be held as part of the Security Deposit, and the amendment shall contain the new amount of the Security Deposit, and (d) the additional amount of monthly Base Rent owing in accordance with this Section 3.3 for the first full month of the Lease Term shall be paid by Tenant to Landlord at the time of Tenant's execution of the amendment.