Additional Advances for Operating Expenses. During any calendar quarter during which ​ has made an Additional Advance to pay for, or reimburse ​ for, Operating Expenses, ​ will deliver a schedule (together with supporting detail reasonably satisfactory to ​) reconciling # the aggregate amount of Additional Advances made to ​ for Operating Expenses pursuant to the Project Budget during such calendar quarter and # the actual Operating Expenses incurred during such calendar quarter, and to the extent ​ determines in its reasonable discretion that Operating Expenses actually incurred in such quarter were less than the amount of Additional Advances made to ​ for Operating Expenses pursuant to the Project Budget during such calendar quarter, then ​ may in its discretion either # decrease the amount to be disbursed for payment of Operating Expenses pursuant to the Project Budget for the following month (or, if necessary, months) in an amount necessary to reflect such difference or # require that ​, within ten (10) days following written request, deposit with ​ an amount equal to such difference. For the avoidance of doubt, ​ shall not make any Additional Advances for Taxes and Insurance Premiums pursuant to this [Section 2.20(i)] in duplication of any Additional Advance made pursuant to [Section 2.20(b)].

As used herein, the term “Operating Expenses” shall include:

Commencing on the Expansion Premises Commencement Date, the defined terms “Tenant’s Share of Operating Expenses of Building” and “Tenant’s Share of Operating Expenses of Project” on page 1 of the Lease is deleted in its entirety and replaced with the following:

Operating Expenses. During the Term of this Lease Agreement and any renewals or extensions thereof, ​ shall pay its pro rata share of the Operating Expenses incurred by ​ in the operation, maintenance and repair of the Building, the Parking Areas and other common areas of the Building, and the parcel(s) of land on which they are located. The term “Operating Expenses” herein shall include, but not be limited to, all payments by ​ for maintenance, operation, repair, replacement and care of all heating, lighting, fire protection and plumbing fixtures in or serving the Parking Areas and other common areas of the Building and of all equipment, systems, exterior glass, landscaped areas, signs, Building exteriors (non-structural) and parking lots (including seal coating); all payments by ​ for electricity, water, sewer and other utilities not separately metered or sub metered and specially billed to and payable by an individual ​, snow removal, refuse removal, insurance premiums and deductibles, commercially reasonable management fees, wages and fringe benefits or personnel employed for the aforesaid work and proportionate costs of equipment purchased and used for such purposes; and the amortization of capital expenditures or investments that are made to reduce operating costs, or that are necessary due to governmental requirements first enacted after the date of this Lease, all as determined on a commercially reasonable basis by ​. The term “Operating Expenses” shall not be deemed to include any of the following: # leasing costs and commissions, costs of ​ disputes, leasehold improvements and other costs of preparing space for tenants, other ​ incentives, and expenses incurred in negotiating or enforcing leases; # interest, principal or any other payments made to the mortgagee under any mortgage or rental or any other payments made to the ground lessor under any ground lease, # the cost of any items of a capital nature, except as expressly provided above, # charges charged to ​ under any

Operating Expenses. In addition to the Base Rent required to be paid hereunder, Tenant shall pay as Additional Rent, Tenant’s Proportionate Share of the Building and/or Project (as applicable), as defined in the Basic Lease Information, of Operating Expenses in the manner set forth below. Landlord and Tenant acknowledge that if the number of buildings which constitute the Project increases or decreases, or if physical changes are made to the Premises, Building and/or Project or the configuration of any thereof, Landlord may at its discretion adjust Tenant’s Proportionate Share of the Building and/or Project to reflect the change. Landlord’s determination of Tenant’s Proportionate Share of the Building and/or Project shall be conclusive absent manifest error. “Operating Expenses” shall mean all expenses and costs of every kind and nature which Landlord shall pay or become obligated to pay, because of or in connection with the ownership, management, maintenance, repair, preservation, replacement and operation of the Building and/or Project and its supporting facilities and such additional facilities now and in subsequent years as may be determined by Landlord to be necessary or desirable to the Building and/or Project other than those expenses and costs which are specifically attributable to Tenant or which are expressly made the financial responsibility of Landlord pursuant to this Lease. Operating Expenses shall also include, but are not limited to, the following:

Operating Expenses Exclusions. Operating Expenses shall not include # depreciation on the Building; # debt service, rental under any ground or underlying lease, or interest, principal, points and fees on any mortgage or other debt instrument encumbering the Building (except that, as provided in Paragraph 7.1 above, Landlord may include interest in the amortization of certain capital expenditures); # ​ expenses incurred in negotiating leases, collecting rents, evicting tenants or costs incurred in ​ proceedings with or against any tenant or to enforce the provisions of any lease, # the cost of decorating, improving for tenant occupancy, painting or redecorating portions of the Building to be demised to tenants; # advertising expenses relating to vacant space; # real estate brokers’ or other leasing commissions; # costs for which Landlord is reimbursed by insurance or condemnation proceeds, other tenants or any other source, and Landlord shall use commercially reasonable efforts to pursue claims under existing warranties and/or guaranties or against other responsible third parties to pay such costs; provided, that, the cost of pursuing such claims shall be included in Operating Expenses; # any bad debt loss, rent loss, or reserves for bad debt loss or rent loss; # costs incurred in connection with the operation of the business of the entity constituting Landlord, as distinguished from the costs of operating the Building, including accounting and ​ matters, costs of defending any lawsuits with any mortgagee, costs of selling, syndicating, financing, mortgaging or hypothecating any of Landlord’s interest in the Building; # Landlord’s political or charitable contributions; # the cost of any “tenant relations” parties, events or promotions; # insurance which is not customarily carried by institutional owners of Comparable Buildings; # costs to repair or replace the Project resulting from any insured casualty (except commercially reasonable deductibles under Landlord’s insurance policies may be included in Operating Expenses to the extent permitted pursuant to Paragraph 7.1(b)); # repairs, alterations, additions, improvements or replacements made to rectify or correct any defect in the design, materials or workmanship of the Project (as opposed to the cost of normal repair, maintenance and replacement expected in light of the specifications of the applicable construction materials and equipment) or to comply with any Applicable Laws in effect as of the Substantial Completion Date (based on the current interpretation thereof by applicable governmental entity(ies) as of the Substantial Completion Date); # repairs, alterations, additions, improvements or replacements made to rectify or correct damage caused by the gross negligence or willful misconduct of Landlord or any of Landlord’s employees, agents, or contractors; # salaries, wages, bonuses and other compensation (including hospitalization, medical, surgical, retirement plan, pension plan, union dues, parking privileges, life insurance, including group life insurance, welfare and other fringe benefits, and vacation, holidays and other paid absence benefits) relating to managers, officers, directors, or executives of Landlord that are above the rank of general manager (or similar title); # fines, penalties or interest incurred due to violation by Landlord of the terms and conditions of any lease or any Applicable Laws or due to violation by any other tenant in the Project of the terms and conditions of any lease or any Applicable Laws; # interest, penalties or other costs arising out of Landlord’s failure to make timely payment of its obligations; # costs incurred to test, survey, cleanup, contain, abate, remove, or otherwise remedy Hazardous Materials or mold from the Project (except that Operating Expenses shall include costs incurred in connection with the prudent operation and maintenance of the Building, such as monitoring air quality); # costs incurred to correct defective equipment installed in the Project (as opposed to the cost of normal repair, maintenance and replacement expected in light of the specifications of the applicable equipment); # acquisition costs of any artwork; # Community Facilities District No. 2008-1 (Bay Meadows) assessment; # inheritance or estate taxes imposed upon or assessed against the interest of any person in the Project, or taxes computed upon the basis of the net income of any owners of any interest in the Project; # costs relating to the capital repair or capital replacement of the structural portions of the roof, foundations and exterior walls (except for any capital expenditures expressly included in Operating Expenses); and # any construction costs of the Project, Building, and Parking Facilities (including the Parking Garage). Tenant’s Proportionate Share of the management fees for the Project shall not exceed two percent (2%) of the Base Rent. If it shall not be lawful for Tenant to reimburse Landlord for all or any part of such taxes, the monthly rental payable to Landlord under this Lease shall be revised to net Landlord the same net rental after imposition of any such taxes by Landlord as would have been payable to Landlord prior to the payment of any such taxes.

Advances of Expenses. Notwithstanding any provision of this Agreement to the contrary (other than 14(d)), the Company shall advance, to the extent not prohibited by law, the Expenses incurred by Indemnitee in connection with any Proceeding (or any part of any Proceeding) not initiated by Indemnitee or any Proceeding initiated by Indemnitee with the prior approval of the Board as provided in 9(c), and such advancement shall be made within twenty (20) days after the receipt by the Company of a statement or statements requesting such advances from time to time, whether prior to or after final disposition of any Proceeding. Indemnitee shall notify the Company in writing of any matter with respect to which Indemnitee intends to seek advancement of Expenses hereunder as soon as reasonably practicable following the receipt by Indemnitee of written notice thereof. The written notification to the Company shall include a description of the nature of the Proceeding and the facts underlying the Proceeding. The omission by Indemnitee to notify the Company hereunder of a matter with respect to which Indemnitee intends to seek advancement will not relieve the Company from any liability which it may have to Indemnitee hereunder or otherwise than under this Agreement, and any delay in so notifying the Company shall not constitute a waiver by Indemnitee of any rights under this Agreement. Advances shall be unsecured and interest free. Advances shall be made without regard to Indemnitee’s ability to repay the Expenses and without regard to Indemnitee’s ultimate entitlement to indemnification under the other provisions of this Agreement. In accordance with 14(d), advances shall include any and all reasonable Expenses incurred pursuing an action to enforce this right of advancement, including Expenses incurred preparing and forwarding statements to the Company to support the advances claimed. The Indemnitee shall qualify for advances upon the execution and delivery to the Company of this Agreement, which shall constitute an undertaking providing that the Indemnitee undertakes to repay the amounts advanced (without interest) to the extent that it is ultimately determined that Indemnitee is not entitled to be indemnified by the Company. No other form of undertaking shall be required other

Advances of Expenses. The Expenses incurred by Indemnitee pursuant to Paragraphs 3, 4 and 6 in any Proceeding shall be paid by the Company in advance at the written request of the Indemnitee, if Indemnitee shall undertake to repay such amount to the extent that it is ultimately determined that Indemnitee is not entitled to indemnification.

Payment of Estimated Operating Expenses. “Estimated Operating Expenses” for any particular year shall mean Landlord’s estimate of the Operating Expenses for such calendar year. During the last month of each calendar year during the Term, or as soon thereafter as practicable, Landlord shall give Tenant written notice of the Estimated Operating Expenses for the ensuing calendar year. Tenant shall pay Tenant’s Proportionate Share of the Estimated Operating Expenses together with monthly installments of Base Rent for the calendar year to which the Estimated Operating Expenses applies on the first day of each calendar month during such year, in advance, prorated for any partial month, if applicable. If at any time during the course of the calendar year, Landlord determines that Operating Expenses are projected to vary from the then Estimated Operating Expenses by more than five percent (5%), Landlord may, by written notice to Tenant, revise the Estimated Operating Expenses for the balance of such calendar year, and Tenant’s monthly installments for the remainder of such year shall be adjusted so that by the end of such calendar year Tenant has paid to Landlord Tenant’s Proportionate Share of the revised Estimated Operating Expenses for such year.

Advances. Subject to the terms and conditions of this Agreement, from the date on which this Agreement becomes effective until the Maturity Date, ​ will make Advances to ​ not exceeding the Credit Limit (subject at all times to the Domestic Credit Limit and the EXIM Credit Limit) or the Borrowing Base (subject at all times to the Domestic Borrowing Base and EXIM Borrowing Base), whichever is less; provided that in no event shall ​ be obligated to make any Advance that results in an Overadvance or while any Overadvance is outstanding. Amounts borrowed under this Section may be repaid and reborrowed during the term of this Agreement. It shall be a condition to each Advance that # ​ shall have received an Advance Request acceptable to ​ accompanied by updated reporting required by [[Sections 4.8(g), (h), and (i)(ii)])])]], each updated to no earlier than 2 business days prior to the date of the Advance Request, and otherwise meeting the requirements of [Sections 4.8(g), (h), and (i)(ii), (b)])])])])] all of the representations and warranties set forth in [Section 3] are true and correct on the date of such Advance as though made at and as of each such date, and # no Default has occurred and is continuing, or would result from such Advance.