BASE RENT. Tenant shall pay, without prior notice or demand, to Landlord at the address set forth in Section 4 of the Summary, or, at Landlord's option, at such other place as Landlord may from time to time designate in writing, by a check or ACH (pursuant to instructions provided by Landlord) for currency which, at the time of payment, is [[Organization A:Organization]] tender for private or public debts in the United States of America, base rent ("Base Rent") as set forth in Section 4 of the Summary, payable in equal monthly installments as set forth in Section 4 of the Summary in advance on or before the first day of each and every calendar month during the Lease Term, without any setoff or deduction whatsoever. The Base Rent for the first full month of the Lease Term shall be paid six (6) months prior to the estimated Lease Commencement Date. If any Rent payment date (including the Lease Commencement Date) falls on a day of the month other than the first day of such month or if any payment of Rent is for a period which is shorter than one month, the Rent for any fractional month shall accrue on a daily basis for the period from the date such payment is due to the end of such calendar month or to the end of the Lease Term at a rate per day which is equal to 1/365 of the applicable annual Rent. All other payments or adjustments required to be made under the terms of this Lease that require proration on a time basis shall be prorated on the same basis.

Base Rent. Tenant shall continue paying Base Rent with respect to the Original Premises as provided for in the Lease through June 30, 2016. Commencing on the Expansion Premises Commencement Date, Tenant shall pay Base Rent for the Expansion Premises at the same Base Rent per rentable square foot that Tenant is then paying for the Original Premises. Commencing on July 1, 2016, Tenant shall commence paying Base Rent with respect to the entire Premises (the Original Premises and the Expansion Premises) in the amount of $3.25 per rentable square foot of the entire Premises per month. Base Rent for the Premises shall be increased on July 1, 2017, and on each subsequent July 1st during the Base Term (each, an “Premises Adjustment Date”) by multiplying the Base Rent payable with respect to the Premises immediately before such Premises Adjustment Date by the Rent Adjustment Percentage and adding the resulting amount to the Base Rent payable with respect to the Premises immediately before such Premises Adjustment Date.

Base Rent. During the Term, Subtenant shall pay to Sublandlord as base monthly rent ("Base Rent") the following amounts per month (which amounts are equal to $7.25 per rentable square foot per month for one hundred percent (100%) of the Subleased Premises and twenty five percent (25%) of the Shared Area, with an annual increase of 3.5% commencing on the first anniversary of the Commencement Date):

Base Rent. For the first year of this Lease, Tenant shall pay to Landlord in good funds representing lawful currency of the United States for the payment of debts monthly in advance on the first day of each month unless a different period of time and method of payment is hereinafter provided Base Rent of $51,776 per month. The first twelve-month period in which rent is herein payable and each twelve-month period thereafter is hereinafter referred to as a “Lease Year”. The first Lease Year shall commence on the first day of the term of this Lease, January 1, 2017, and shall end on December 31, 2017. For the second Lease Year and for each Lease Year thereafter, the monthly Base Rent shall be adjusted so that it is equal to the monthly Base Rent in effect at the end of the immediately preceding Lease Year multiplied by a fraction, the numerator of which shall be the Consumer Price Index (CPI-U) (1982-1984 = 100) for the immediately preceding December, and the denominator of which shall be the Consumer Price Index for the month of December immediately preceding the beginning of the prior Lease Year. As used herein, the Consumer Price Index means the Consumer Price Index – All Cities Average Urban Wage Earners as published by the Bureau of Labor Statistics of the Department of Labor of the United States, or if no longer published, that index as determined by Landlord which most closely reflects the components of the Consumer Price Index (CPI-U). The Base Rent, as adjusted, shall remain in effect until the next adjustment period and shall be paid in twelve equal monthly installments. In no event shall the monthly Base Rent, as adjusted, be less than the monthly Base Rent for the period immediately prior to such adjustment period. In the event that the amount of such adjustment cannot be calculated prior to the effective date thereof, the monthly Base Rent for the period prior to the effective date of such adjustment shall continue to be paid by Tenant. As soon as Tenant shall be notified of the amount of the adjustment, Tenant shall, within thirty (30) days, pay to the Landlord the difference between the monthly Base Rent, as adjusted, for all monthly periods occurring in whole or in part after the date such adjustment was to be effective and the monthly Base Rent actually paid. Thereafter the monthly Base Rent, as adjusted, shall be payable by the Tenant as herein provided.

Base Rent. Simultaneously with Subtenant’s execution of the Sublease, Subtenant shall pay to Sublandlord via wire or cashier’s check one (1) month’s Base Rent in the amount of one hundred twenty-nine thousand two hundred eighty-one 40/100 dollars ($129,281.40). Beginning Month Thirteen # of the Term, there will be two and fifty hundredths percent (2.50%) annual increases of the Base Rent as set forth in the Rent Schedule herein. If the Commencement Date is not the first of a month, on the Commencement date Subtenant shall pay, via wire of cashier’s check, Base Rent in a pro-rated amount for the partial month between the Commencement Date and the last day of the month. After the Commencement Date, Base Rent shall be paid via wire or via cashier’s check, monthly on the first of the month starting on the first day of the second full month.

Estimated Initial Base Rent. Based upon the Preliminary Total Development Cost Estimate, the initial annual Base Rent that would be initially owing under the Lease would be $35.89/RSF (the “Preliminary Base Rent”), which amount has been determined as set forth in Exhibit J. However, ​ and ​ acknowledge that the initial Base Rent actually payable under the Lease, will be based upon the Total Development Costs actually incurred by ​ but not to exceed, in the aggregate, the amount of the Final Total Development Costs Budget (plus any increases in Total Development Costs incurred as a consequence of ​ requested Changes paid for by ​ and costs resulting from ​ Delay) provided for in Section 3.2 and determined in accordance with Exhibit J.

Notwithstanding anything in the above Section 4 to the contrary, applicable monthly Base Rent only for the Expansion Premises shall be abated for the months of August, 2014 and August, 2015 (the “Expansion Space Rent Abatement Period”); provided, however, all other payments required to be paid by Tenant to Landlord pursuant to the Lease for the Premises and the Expansion Space shall remain due and payable during the Expansion Space Rent Abatement Period. If at any time during the initial Term Landlord terminates this Lease as a result of an Event of Default of a monetary nature hereunder, the abatement of Base Rent for the Expansion Space provided for herein shall immediately become void, and Tenant shall promptly pay to Landlord, in addition to all other amounts due to Landlord under the Lease, the full amount of all Base Rent for the Expansion Space herein abated, multiplied by a fraction, the numerator of which is the number of full calendar months remaining in the Term for the Expansion Space as of the date Landlord terminates this Lease as a result of an Event of Default of a monetary nature and the denominator of which is 57.

Rent Abatement. Notwithstanding anything to the contrary contained herein and provided that no default by Tenant occurs hereunder beyond any applicable notice and cure period, Landlord hereby agrees that Tenant shall not be required to pay monthly Base Rent for the second (2nd) month of the initial Term through the eighth (8th) month of the initial Term (the “Abatement Period”). The total amount of monthly Base Rent abated during the Abatement Period shall not exceed Five Hundred Twenty-Six Thousand Six Hundred Eighty and 00/100 Dollars ($526,680.00) (the “Abatement Amount”); provided that the Abatement Amount shall not be increased as a result of any increase in Base Rent arising from Landlord’s disbursement of any Additional TI Allowance in accordance with Sections 4.2 and 4.4 of this Lease. During the Abatement Period, Tenant shall still be responsible for the payment of all of its other monetary obligations under this Lease, including, all Additional Rent, including Operating Expenses the Property Management Fee and costs of utilities for the Premises. In the event of a default by Tenant under the terms of this Lease that results in termination of this Lease in accordance with the provisions of this Lease, then as a part of the recovery set forth in this Lease and in addition to any other remedies to which Landlord is entitled pursuant to Section 31 hereof, Landlord shall be entitled to the immediate recovery, as of the day prior to such termination, of the unamortized Abatement Amount that was abated under the provisions of this Section 8.

Rent. All Rent and other payments required to be made by Tenant to Landlord hereunder shall be payable to Landlord at Landlord’s Remittance Address set forth in the Basic Lease Information, or at such other address as Landlord may specify from time to time by written notice delivered in accordance herewith. Tenant’s obligation to pay Rent and any other amounts to Landlord under the terms of this Lease shall not be deemed satisfied until such Rent and other amounts have been actually received by Landlord.

RENT. LESSEE shall pay LESSOR base rent of one hundred five thousand nine hundred ninety nine (105,999) U.S. dollars per year, drawn on a U.S. bank, in monthly installments of $8,833.25 on or before the first day of each calendar month, without offset or deduction. One monthly rental payment, plus an appropriate traction of a monthly payment for any portion of a month at the commencement of the lease term, shall be made upon LESSEE’S execution of this lease. All payments shall be made to LESSOR at 200 West Cummings Park, Woburn, Massachusetts 01801, or at such other place designated in writing by LESSOR. If the “Cost of Living” has increased as shown by the Consumer Price Index (Boston, Massachusetts, all items, all urban consumers), U.S. Bureau of Labor Statistics (“Index”), then base rent due during each calendar year of this lease and all extensions thereof shall be adjusted in proportion to any increase in the Index. The base month from which to determine the amount of each increase shall be January 2016, which figure shall be compared with the figure for November 2016, and each November thereafter to determine the increase (if any) in base rent to be paid during the following calendar year commencing each January 1.