Alterations Tenant may install tenant finishes in the Demised ----------- Premises and make interior alterations, additional installations, modifications, substitutions, improvements and decorations (collectively, "Alterations") in and to the Demised Premises, subject only to the following conditions: (i) any Alterations shall be made at Tenant's sole cost and expense so that the Demised Premises shall at all times be free of liens for labor and materials supplied to the Demised Premises; (ii) without the prior written approval of Landlord, Tenant shall make no Alterations (x) which are structural in nature or adversely affect in any way the structure of the Demised Premises; or (y) which adversely affect or could render void or invalidate any Warranties under this Lease. In addition, without the prior written approval of Landlord, Tenant shall make no Alterations to any portion of the exterior or elevation of the Building. (iii) any Alterations shall be performed in a good and workmanlike manner and in compliance with all applicable laws and requirements of governmental authorities having jurisdiction and applicable insurance requirements and shall not violate any term of any agreement or restriction to which the Demised Premises are subject; (iv) Tenant, at its sole cost and expense, shall cause its contractors to maintain builder's risk insurance and such other insurance (including, without limitation, workers compensation insurance) as is then customarily maintained for such work, all with insurers licensed by the State of California; (v) At least fifteen (15) days prior to Tenant's commencement of any Alterations costing in excess of One Million Dollars ($1,000,000.00), the plans and specifications therefor shall be submitted to Landlord for Landlord's review and approval, which approval shall not be unreasonably "withheld or delayed provided that the provisions of this subparagraph (v) shall not apply to initial tenant improvements needed to locate a subtenant in the Demised Premises; and (vi) To the extent not inconsistent with the requirement set forth above, Tenant shall not be required to obtain Landlord's consent to Alterations which are a subtenant's initial tenant improvements. Any Alteration shall, when completed, be of such character as not to reduce the value or utility of the Demised Premises or the Building to which such Alteration is made below its value or utility to Landlord immediately before such Alteration, nor shall such Alteration alter the exterior of the Improvements or reduce the area or cubic content of the Building, nor change the character of the Demised Premises or the Building as to use without Landlord's express written consent. No change, alteration, restoration or new construction shall be in or connect the improvements with any property, building or other improvement located outside the boundaries of the Land, nor shall the same obstruct or interfere with any existing casement. Tenant shall notify Landlord in writing 30 days prior to commencing any alterations, additions or improvements to the Demised Premises so that Landlord shall have the right to record and post notices of nonresponsibility on the Demised Premises. Within a reasonable time period prior to commencing the alterations, additions or improvements, Tenant shall provide Landlord with copies of all plans and specifications prepared in connection with any such alteration, addition or improvement, as well as copies of each material amendment and change thereto, if and when applicable. All of Tenant's generators and uninterruptible power supply equipment (but in no event including the primary HVAC system serving the Building), trade fixtures, movable partitions, furniture, machinery and furnishings installed by Tenant or assignees, subtenants or licensees of Tenant shall remain the property of the owner thereof with the right of removal, whether or not affixed and or attached to the real estate and the owner thereof shall be entitled to remove the same or any part thereof during the term or at the end of the term provided herein, provided that such owner shall repair any damage caused by such removal. Except as otherwise provided herein, all Alterations made or installed by Tenant shall remain the Property of Tenant and Tenant shall have the right to remove the Alterations at any time during the term hereof provided Tenant shall repair any damage resulting therefrom and leave the Demised Premises in a commercially reasonable condition. Notwithstanding the foregoing, any Alterations on the Demised Premises at the end of the term shall become the property of Landlord without payment therefor by Landlord, and shall be surrendered to Landlord at the expiration of the term of this Lease; provided however, if the Lease term ends prior to the thirteenth (13th) anniversary of the Lease Commencement Date, if so requested by Landlord, Tenant shall, at its sole cost and expense and in as expeditious a manner as possible remove any or all of such Alterations from the Demised Premises, to the extent required by Landlord. Tenant further agrees to repair any damage resulting therefrom and leave the Demised Premises in a commercially reasonable condition.