3.1Subtenant shall pay to Sublandlord, as base rent ("Base Rent") during the Term, prior to the first day of each month during the Term, the following Base Rent:

The Base Rent and Additional Rent specified in Section 1.1, above (together, “Rent”) shall be payable by Sublessee to Sublessor at the mailing address of Sublessor set forth in Section 1.1 (or such other place as Sublessor may from time to time designate by notice to Sublessee).

During the period commencing as of the Effective Date and continuing through the day prior to the Expansion Space Commencement Date (the “Interim Period”), Tenant shall continue to pay the Base Rent for the Original Premises (the "Original Premises Base Rent") in accordance with the terms and conditions of the Lease.

Base Rent; Additional Rent. Commencing as of the Rent Commencement Date and continuing thereafter throughout the remainder of the Term, Tenant shall pay Base Rent to Landlord in equal monthly installments, in advance and without demand on the first day of each month for and with respect to such month. Unless otherwise expressly provided herein, the payment of Base Rent, Additional Rent and other charges reserved and covenanted to be paid under this Lease with respect to the Premises (collectively, “Rent”) shall commence on the Rent Commencement Date, and shall be prorated for any partial months. Rent shall be payable to Landlord or, if Landlord shall so direct in writing, to Landlord’s agent or nominee, in lawful money of the United States which shall be legal tender for payment of all debts and dues, public and private, at the time of payment.

Base Rent. Base Rent for the month in which the Rent Commencement Date occurs (or, if the Rent Commencement Date does not occur on the first day of a calendar month, Base Rent for the first full calendar month following the Rent Commencement Date) and the Security Deposit shall be due and payable within 10 days after the Condition Precedent is satisfied. Tenant shall pay to Landlord in advance, without demand, abatement, deduction or set-off, monthly installments of Base Rent on or before the first day of each calendar month during the Term hereof after the Rent Commencement Date, in lawful money of the United States of America, at the office of Landlord for payment of Rent set forth above, or to such other person or at such other place as Landlord may from time to time designate in writing, or via federally insured wire transfer (including ACH) pursuant to the wire instructions provided by Landlord. Payments of Base Rent for any fractional calendar month shall be prorated. The obligation of Tenant to pay Base Rent and other sums to Landlord and the obligations of Landlord under this Lease are independent obligations. Tenant shall have no right at any time to abate, reduce, or set-off any Rent (as defined in Section 5) due hereunder except for any abatement as may be expressly provided in this Lease.

Additional Rent; Rent. All sums payable by Tenant under this Lease, other than Basic Rent, shall be deemed “Additional Rent,” and, unless otherwise set forth herein, shall be payable in the same manner as set forth above for Basic Rent. Basic Rent and Additional Rent shall jointly be referred to as “Rent” within the meaning of California Civil Code Section 1951(a), the nonpayment of which, after the expiration of applicable notice and cure periods, shall entitle Landlord to exercise all rights and remedies provided in Article XX or by law. It is intended that the Rent provided for in this Lease shall be an absolutely net return to Landlord for the Term of this Lease and any renewals or extensions thereof, free of any and all expenses or charges with respect to the Premises except for the exclusions set forth in [Section 6.2] and for those obligations of Landlord expressly set forth herein.

"Tenant's Proportionate Share of the Building" shall be computed by dividing the Rentable Square Footage of the Premises by the Rentable Square Footage of the Building and, as of the date of this Lease, shall be 100%. "Tenant's Proportionate Share of Project" shall be computed by dividing the Rentable Square Footage of the Premises by the Rentable Square Footage of the Project and, as of the date of this Lease, shall be 14.81%.

“Tenant’s Work” – All improvements to be constructed by Tenant for the Premises so as to allow Tenant to operate its business at the Premises.

Base Rent. Tenant shall continue pay Base Rent for the Existing Premises in accordance with Section 4(a) of the First Amendment. As of the Effective Date Section 4(b) of the First Amendment which provides the Base Rent for the Expansion Premises is hereby deleted in its entirety and replaced with the following:

Base Rent; Additional Rent. Commencing as of the Rent Commencement Date and continuing thereafter throughout the remainder of the Term, Tenant shall pay Base Rent to Landlord in equal monthly installments, in advance and without demand on the first day of each month for and with respect to such month. Unless otherwise expressly provided herein, the payment of Base Rent, Additional Rent and other charges reserved and covenanted to be paid under this Lease with respect to the Premises (collectively, “Rent”) shall commence on the Rent Commencement Date, and shall be prorated for any partial months. Rent shall be payable to Landlord or, if Landlord shall so direct in writing, to Landlord’s agent or nominee, in lawful money of the United States which shall be legal tender for payment of all debts and dues, public and private, at the time of payment.