Base Rent Prior to the Substitute Premises Commencement Date, Tenant shall continue to pay Base Rent with respect to the Original Premises in accordance with the terms of the Lease. Commencing as of the Substitute Premises Commencement Date, and continuing throughout the Substitute Premises Term, Tenant shall pay to Landlord monthly installments of Base Rent for the Substitute Premises as follows:

Base Rent became payable on .

Preliminary Base Rent..................................................................................................... Exhibit B

are hereinafter collectively referred to as the " XE "Additional Rent" Additional Rent", and the Base Rent and the Additional Rent are herein collectively referred to as "Rent XE "Rent" ." All amounts due under this Article 4 as Additional Rent shall be payable for the same periods and in the same manner as the Base Rent. Without limitation on other obligations of Tenant which survive the expiration of the Lease Term, the obligations of Tenant to pay the Additional Rent provided for in this Article 4 shall survive the expiration of the Lease Term (subject to the terms of Section 4.4.1, below).

j CALCULATION OF INITIAL BASE RENT

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.

Option Rent. The annual Rent payable by Tenant during the Option Term (the "Option Rent") shall be equal to the "Fair Rental Value," as that term is defined below, for the Premises as of the commencement date of the Option Term. The "Fair Rental Value," as used in this Lease, shall be equal to the annual rent per rentable square foot (including additional rent and considering any "base year" or "expense stop" applicable thereto), including all escalations, at which tenants (pursuant to leases consummated within the twelve (12) month period preceding the first day of the Option Term), are leasing non-sublease, non-encumbered, non-equity space which is not significantly greater or smaller in size than the subject space, with a comparable level of improvements (excluding any property that Tenant would be allowed to remove from the Premises at the termination of the Lease), for a comparable lease term, in an arm's length transaction, which comparable space is located in the "Comparable Buildings," as that term is defined in this Section 2.2.2, below (transactions satisfying the foregoing criteria shall be known as the "Comparable Transactions"), taking into consideration the following concessions (the "Concessions"):

Additional Rent. In addition to Base Rent, Tenant agrees to pay to Landlord as additional rent (“Additional Rent”): # commencing on the Commencement Date, Tenant’s Share of “Operating Expenses” (as defined in Section 5). and # any and all other amounts Tenant assumes or agrees to pay under the provisions of this Lease, including, without limitation, any and all other sums that may become due by reason of any default of Tenant or failure to comply with the agreements, terms, covenants and conditions of this Lease to be performed by Tenant, after any applicable notice and cure period.

Additional Rent. [[Organization B:Organization]] shall pay to [[Organization A:Organization]] as Additional Rent throughout the Term, the following:

Base Rent is subject to an annual upward adjustment of three percent (3%) of the then-current Base Rent, with the first such adjustment becoming effective commencing on the first (1st) annual anniversary of the Term Commencement Date, and subsequent adjustments becoming effective on every successive annual anniversary of the Term Commencement Date during the Term. The foregoing table reflects such annual upward adjustments of the Base Rent. Base Rent is also subject to adjustment arising from any disbursement of the Additional TI Allowance as set forth in Section 4.4 below and subject to abatement in accordance with Article 8 below.