Manner of Construction. Landlord may impose, as a condition of its consent to any and all Alterations or repairs of the Premises or about the Premises, such requirements as Landlord in its reasonable discretion may deem desirable, including, but not limited to, the requirement that upon Landlord's request, Tenant shall, at Tenant's expense, remove such Alterations upon the expiration or any early termination of the Lease Term. Tenant shall construct such Alterations and perform such repairs in a good and workmanlike manner, in conformance with any and all applicable federal, state, county or municipal laws, rules and regulations and pursuant to a valid building permit, issued by the city in which the Building is located (or other applicable governmental authority). Tenant shall not use (and upon notice from Landlord shall cease using) contractors, services, workmen, labor, materials or equipment that, in Landlord's reasonable judgment, would disturb labor harmony with the workforce or trades engaged in performing other work, labor or services in or about the Building or the Common Areas. Upon completion of any Alterations, Tenant shall deliver to Landlord final lien waivers from all contractors, subcontractors and materialmen who performed such work. In addition to Tenant's obligations under Article 9 of this Lease, upon completion of any Alterations, Tenant agrees to cause a Notice of Completion to be recorded in the office of the Recorder of the County of San Mateo in accordance with Section 3093 of the Civil Code of the State of California or any successor statute, and Tenant shall deliver to the Project construction manager a reproducible copy of the "as built" drawings of the Alterations as well as all permits, approvals and other documents issued by any governmental agency in connection with the Alterations.

permit, issued by the city in which the Building is located (or other applicable governmental authority). Tenant shall not use (and upon notice from Landlord shall cease using) contractors, services, workmen, labor, materials or equipment that, in Landlord's reasonable judgment, would disturb labor harmony with the workforce or trades engaged in performing other work, labor or services in or about the Building or the Common Areas. Upon completion of any Alterations, Tenant shall deliver to Landlord final lien waivers from all contractors, subcontractors and materialmen who performed such work. In addition to Tenant's obligations under Article 9 of this Lease, upon completion of any Alterations, Tenant agrees to cause a notice of completion to be recorded in the office of the Recorder of the County of San Mateo in accordance with Section 3093 of the Civil Code of the State of California or any successor statute, and Tenant shall deliver to the Project construction manager a reproducible copy of the "as built" drawings of the Alterations as well as all permits, approvals and other documents issued by any governmental agency in connection with the Alterations.

Manner of Construction. Landlord may impose, as an express condition of its consent (at the time said consent is given) to any and all Alterations (other than the Tenant Improvements) or repairs of the Premises or about the Premises, such requirements as Landlord in its reasonable discretion may deem desirable, including, but not limited to, the requirement that Tenant utilize for such purposes only contractors, subcontractors, materials, mechanics and materialmen selected by Tenant and approved by Landlord (which approval shall not be unreasonably withheld, conditioned or delayed), the requirement that upon Landlord’s request at the time Landlord approves said Alterations (subject to the terms of Section 8.5, below), Tenant shall, at Tenant’s expense, remove such Alterations upon the expiration or any early termination of the Lease Term. Tenant shall construct such Alterations and perform such repairs in a good and workmanlike manner, in conformance with any and all applicable federal, state, county or municipal laws, rules and regulations and pursuant to a valid building permit, issued by the city in which the Building is located (or other applicable governmental authority). Tenant shall not use (and upon notice from Landlord shall cease using) contractors, services, workmen, labor, materials or equipment that, in Landlord’s reasonable judgment, would disturb labor harmony with the workforce or trades engaged in performing other work, labor or services in or about the Building or the Common Areas. Upon completion of any Alterations (or repairs), Tenant shall deliver to Landlord final lien waivers from all contractors, subcontractors and materialmen who performed such work. In addition to Tenant’s obligations under Article 9 of this Lease, upon completion of any Alterations, Tenant shall deliver to the Project construction manager a reproducible copy of the “as built” drawings of the Alterations as well as all permits, approvals and other documents issued by any governmental agency in connection with the Alterations. Landlord shall make its construction rules and a pre-approved vendor list available to Tenant upon request.

Manner of Construction. Landlord may impose, as a condition of its consent to any and all Alterations or repairs of the Premises or about the Premises, such requirements as Landlord in its reasonable discretion may deem desirable, including, but not limited to, the requirement that Tenant utilize for such purposes only contractors reasonably approved by Landlord, and any removal and/or restoration obligations required to be performed pursuant to the TCCs of [Section 8.5] of this Lease. If Landlord shall give its consent, the consent shall be deemed conditioned upon Tenant acquiring a permit to do the work from appropriate governmental agencies, if required, the furnishing of a copy of such permit to Landlord prior to the commencement of the work, and the compliance by Tenant with all conditions of said permit in a prompt and expeditious manner. If such Alterations will involve the use of or disturb hazardous materials or substances existing in the Premises, Tenant shall notify Landlord prior to performing such Alterations and comply with Landlord's rules and regulations concerning such hazardous materials or substances. Tenant shall construct such Alterations and perform such repairs in a good and workmanlike manner, in conformance with any and all applicable federal, state, county, local or municipal laws, ordinances, rules and regulations and pursuant to a valid building permit, issued by the city in which the Building is located (or other applicable governmental authority), all in conformance with Landlord's construction rules and regulations; provided, however, that prior to commencing to construct any Alteration, Tenant shall meet with Landlord to discuss Landlord's design parameters and code compliance issues. In the event Tenant performs any Alterations in the Premises which require or give rise to governmentally required changes to the "Base Building," as that term is defined below, then Landlord shall, at Tenant's expense, make such changes to the Base Building. Since all or a portion of the Project is or may become in the future certified under the LEED rating system (or other applicable certification standard) (all in Landlord's sole and absolute discretion), Tenant expressly acknowledges and agrees that without limitation as to other grounds for Landlord withholding its consent to any proposed Alteration, Landlord shall have the right to withhold its consent to any proposed Alteration in the event that such Alteration is not compatible with such certification or recertification of the Project under such LEED rating system (or other applicable certification standard). The "Base Building" shall include the structural portions of the Building, and the public restrooms, elevators, exit stairwells and the systems and equipment located in the internal core of the Building on the floor or floors on which the Premises is located. In performing the work of any such Alterations, Tenant shall have the work performed in such manner so as not to obstruct access to the Project or any portion thereof, by any other tenant of the Project, and so as not to obstruct the business of Landlord or other tenants in the Project. Tenant shall not use (and upon notice from Landlord shall cease using) contractors, services, workmen, labor, materials or equipment to the extent they are disturbing labor harmony with the workforce or trades engaged in performing other work, labor or services in or about the Building or the Common Areas; provided, however, prior to any such cessation, Landlord and Tenant shall use commercially reasonable efforts to establish protocols to attempt to reestablish and maintain labor harmony. In addition to Tenant's obligations under Article 9 of this Lease, upon completion of any Alterations, Tenant agrees to cause a Notice of Completion to be recorded in the office of the Recorder of the County of San Diego in accordance with Section 8182 of the Civil Code of the State of California or any successor statute, and as a condition precedent to the enforceability and validity of Landlord's consent, Tenant shall deliver to the management

Manner of Construction. Landlord may impose, as a condition of its consent to any and all Alterations or repairs of the Premises or about the Premises, such requirements as Landlord in its reasonable discretion may deem desirable, including, but not limited to, the requirement that Tenant utilize for such purposes only contractors reasonably approved by Landlord, and any removal and/or restoration obligations for Specialty Alterations required to be performed pursuant to the TCCs of [Section 8.5] of this Lease. If Landlord shall give its consent, the consent shall be deemed conditioned upon Tenant acquiring a permit to do the work from appropriate governmental agencies, the furnishing of a copy of such permit to Landlord prior to the commencement of the work, and the compliance by Tenant with all conditions of said permit in a prompt and expeditious manner. If such Alterations will involve the use of or disturb Hazardous Materials, Tenant shall notify Landlord prior to performing such Alterations and comply with Landlord's rules and regulations concerning such Hazardous Materials. Tenant shall construct such Alterations and perform such repairs in a good and workmanlike manner, in conformance with any and all Applicable Laws and pursuant to a valid building permit, issued by the City of South San Francisco (the "City") (or other applicable governmental authority), in conformance with Landlord's reasonable construction rules and regulations. In the event Tenant performs any Alterations in the Premises which require or give rise to governmentally required changes to the Building Structure, other than the legal compliance work which is Landlord's obligation pursuant to the TCCs of [Section 24.1] of this Lease, then Landlord shall, at Tenant's expense, make such changes to the Base Building. The "Base Building" shall mean the Building Structure and Building Systems. In performing the work of any such Alterations, Tenant shall have the work performed in such manner so as not to obstruct access to the Project or any portion thereof, by any other tenant of the Project, and so as not to obstruct the business of other tenants in the Project. In addition to Tenant's obligations under Article 9 of this Lease, upon completion of any Alterations, Tenant agrees to cause a Notice of Completion to be recorded in the office of the Recorder of the County of Mateo in accordance with Section 8182 of the Civil Code of the State of California or any successor statute, and as a condition precedent to the enforceability and validity of Landlord's consent, Tenant shall deliver to the management office for the Project a reproducible copy of the "as built" and CAD drawings of the Alterations, to the extent applicable, as well as all permits, approvals and other documents issued by any governmental agency in connection with the Alterations.

Manner of Construction. Landlord may impose, as a condition of its consent to any and all Alterations or repairs of the Premises or about the Premises, such requirements as Landlord in its reasonable discretion may deem desirable, including, but not limited to, the requirement that Tenant utilize for such purposes only contractors reasonably approved by Landlord, and any removal and/or restoration obligations required to be performed pursuant to the TCCs of [Section 8.5] of this Lease. If Landlord shall give its consent, the consent shall be deemed conditioned upon Tenant acquiring a permit to do the work from appropriate governmental agencies, the furnishing of a copy of such permit to Landlord prior to the commencement of the work, and the compliance by Tenant with all conditions of said permit in a prompt and expeditious manner. If such Alterations will involve the use of or disturb hazardous materials or substances existing in the Premises, Tenant shall notify Landlord prior to performing such Alterations and comply with Landlord's rules and regulations concerning such hazardous materials or substances. Tenant shall construct such Alterations and perform such repairs in a good and workmanlike manner, in conformance with any and all applicable federal, state, county, local or municipal laws, ordinances, rules and regulations and pursuant to a valid building permit, issued by the city in which the Building is located (or other applicable governmental authority), all in conformance with Landlord's construction rules and regulations; provided, however, that prior to commencing to construct any Alteration, Tenant shall meet with Landlord to discuss Landlord's design parameters and code compliance issues. In the event Tenant performs any Alterations in the Premises which require or give rise to governmentally required changes to the "Base Building," as that term is defined below, then Landlord shall, at Tenant's expense, make such changes to the Base Building. Since all or a portion of the Project is or may become in the future certified under the LEED rating system (or other applicable certification standard) (all in Landlord's sole and absolute discretion), Tenant expressly acknowledges and agrees that without limitation as to other grounds for Landlord withholding its consent to any proposed Alteration, Landlord shall have the right to withhold its consent to any proposed Alteration in the event that such Alteration is not compatible with such certification or recertification of the Project under such LEED rating system (or other applicable certification standard). The "Base Building" shall include the structural portions of the Building, and the public restrooms, elevators, exit stairwells and the systems and equipment located in the internal core of the Building on the floor or floors on which the Premises is located. In performing the work of any such Alterations, Tenant shall have the work performed in such manner so as not to obstruct access to the Project or any portion thereof, by any other tenant of the Project, and so as not to obstruct the business of Landlord or other tenants in the Project. Tenant shall retain any union trades to the extent designated by Landlord. Further, Tenant shall not use (and upon notice from Landlord shall cease using) contractors, services, workmen, labor, materials or equipment that, in Landlord's reasonable judgment, would disturb labor harmony with the workforce or trades engaged in performing other work, labor or services in or about the Building or the Common Areas. In addition to Tenant's obligations under Article 9 of this Lease, upon completion of any Alterations, Tenant agrees to cause a Notice of Completion to be recorded in the office of the Recorder of the County of San Diego in accordance with Section 8182 of the Civil Code of the State of California or any successor statute, and as a condition precedent to the enforceability and validity of Landlord's consent, Tenant shall deliver to the management office for the Project a reproducible copy of the "as built" and CAD drawings of the Alterations, to the extent applicable, as well as all permits, approvals and other documents issued by any governmental agency in connection with the Alterations.

Manner of Construction. Other than with respect to Cosmetic Alterations, Landlord may impose, as a condition of its consent to any and all Alterations or repairs of the Premises or about the Premises, such requirements as Landlord in its reasonable discretion may deem desirable, including, but not limited to, the requirement that Tenant utilize for such purposes only contractors reasonably approved by Landlord, and any removal and/or restoration obligations required to be performed pursuant to the TCCs of [Section 8.5] of this Lease. If Landlord shall give its consent, the consent shall be deemed conditioned upon Tenant acquiring a permit to do the work from appropriate governmental agencies, the furnishing of a copy of such permit to Landlord prior to the commencement of the work, and the compliance by Tenant with all conditions of said permit in a prompt and expeditious manner. If such Alterations will involve the use of or disturb Hazardous Materials existing in the Premises, Tenant shall notify Landlord prior to performing such Alterations and comply with Landlord's rules and regulations concerning such Hazardous Materials, subject to Landlord's obligations set forth in [Section 29.35.5] below. Tenant shall construct such Alterations and perform such repairs in a good and workmanlike manner, in conformance with any and all applicable federal, state, county, local or municipal laws, ordinances, rules and regulations and pursuant to a valid building permit, issued by the city in which the Building is located (or other applicable governmental authority), all in conformance with Landlord's construction rules and regulations; provided, however, that prior to commencing to construct any Alteration, Tenant shall meet with Landlord to discuss Landlord's design parameters and code compliance issues. In the event Tenant performs any Alterations in the Premises which require or give rise to governmentally required changes to the "Base Building," as that term is defined below, then Landlord shall, at Tenant's expense, make such changes to the Base Building. Since all or a portion of the Project is or may become in the future certified under the LEED rating system (or other applicable certification standard) (all in Landlord's sole and absolute discretion), Tenant expressly acknowledges and agrees that without limitation as to other grounds for Landlord withholding its consent to any proposed Alteration, Landlord shall have the right to withhold its consent to any proposed Alteration in the event that such Alteration is not compatible with such certification or recertification of the Project under such LEED rating system (or other applicable certification standard). Upon Tenant's request, Landlord shall notify Tenant if Landlord is attempting to obtain or has obtained LEED certification. The "Base Building" shall include the structural portions of the Building, and the public restrooms, elevators, exit stairwells and the systems and equipment located in the internal core of the Building on the floor or floors on which the Premises is located. In performing the work of any such Alterations, Tenant shall have the work performed in such manner so as not to obstruct access to the Project or any portion thereof, by any other tenant of the Project, and so as not to obstruct the business of Landlord or other tenants in the Project. Tenant shall retain any union trades to the extent designated by Landlord. Further, Tenant shall not use (and upon notice from Landlord shall cease using) contractors, services, workmen, labor, materials or equipment that, in Landlord's reasonable judgment, would disturb labor harmony with the workforce or trades engaged in performing other work, labor or services in or about the Building or the Common Areas. In addition to Tenant's obligations under Article 9 of this Lease, upon completion of any Alterations, Tenant agrees to cause a Notice of Completion to be recorded in the office of the Recorder of the County of San Francisco in accordance with Section 8182 of the Civil Code of the State of California or any successor statute, and as a condition precedent to the enforceability and validity of Landlord's consent, Tenant shall deliver to the management office for the Project a reproducible copy of the "as built" and CAD drawings of the Alterations, to the extent applicable, as well as all permits, approvals and other documents issued by any governmental agency in connection with the Alterations.

materialmen selected by Tenant from a list provided and approved by Landlord, and the requirement that upon Landlord's request made at the time such Alteration(s) are approved by Landlord, Tenant shall, at Tenant's expense, remove such Alterations upon the expiration or any early termination of the Lease Term. Tenant shall construct such Alterations and perform such repairs in a good and workmanlike manner, in conformance with any and all applicable federal, state, county or municipal laws, rules and regulations and, if the same is required, pursuant to a valid building permit, issued by the city in which the Building is located (or other applicable governmental authority), all in conformance with Landlord's reasonable construction rules and regulations; provided, however, that prior to commencing to construct any Alteration, Tenant shall meet with Landlord to discuss Landlord's design parameters and code compliance issues. In the event Tenant performs any Alterations in the Premises which require or give rise to governmentally required changes to the "Base Building," as that term is defined below, then Landlord shall notify Tenant when approving such Alterations and, if Tenant still wishes to construct same, Landlord shall, at Tenant's expense, make such changes to the Base Building. The "Base Building" shall include the structural portions of the Building, and the public restrooms, elevators, exit stairwells and the systems and equipment located in the internal core of the Building on the floor or floors on which the Premises are located. In performing the work of any such Alterations, Tenant shall have the work performed in such manner so as not to materially obstruct access to the Project or any portion thereof, by any other tenant of the Project, and so as not to materially obstruct the business of Landlord or other tenants in the Project. Tenant shall not use (and upon notice from Landlord shall cease using) contractors, services, workmen, labor, materials or equipment that, in Landlord's reasonable judgment, would disturb labor harmony with the workforce or trades engaged in performing other work, labor or services in or about the Building or the Common Areas. In addition to Tenant's obligations under Article 9 of this Lease, upon completion of any Alterations, Tenant agrees to cause a Notice of Completion to be recorded in the office of the Recorder of the County in which the Building is located in accordance with Section 8182 of the Civil Code of the State of California or any successor statute, and Tenant shall deliver to the Project construction manager a reproducible copy of the "as built" drawings of the Alterations as well as all permits, approvals and other documents issued by any governmental agency in connection with the Alterations.

Manner of Construction. Landlord may impose, as a condition to Tenant's right to perform any Alterations, such commercially reasonable requirements as Landlord in its reasonable discretion may deem desirable, including, but not limited to, # the requirement that Tenant utilize for such purposes only contractors reasonably approved by Landlord, and # any Lines (including riser cables) installed by Tenant shall be # appropriately insulated to prevent excessive electromagnetic fields or radiation, # surrounded by a protective conduit reasonably acceptable to Landlord, and # identified in accordance with Landlord's Building standard requirements. Tenant shall be solely responsible for acquiring a permit for all Alterations, furnishing of a copy of such permit and approvals to Landlord prior to the commencement of the work, and complying with all conditions of said permit in a prompt and expeditious manner. If such Alterations will involve the use of or disturb Hazardous Materials, Tenant shall notify Landlord prior to performing such Alterations and comply with Landlord's reasonable rules and regulations concerning such Hazardous Materials. Tenant shall construct all Alterations in a good and workmanlike manner, in conformance with any and all Applicable Laws and Landlord's construction rules and regulations; provided, however, that prior to commencing to construct any Alteration, Tenant shall meet with Landlord to discuss Landlord's design parameters and Code compliance issues. In performing the work of any such Alterations, Tenant shall have the work performed in such manner so as not to obstruct access to the Project or any portion thereof, by any other tenant of the Project, and so as not to obstruct the business of Landlord or other tenants in the Project. Tenant shall not use (and upon notice from Landlord shall cease using) contractors, services, workmen, labor, materials or equipment that, in Landlord's reasonable judgment and despite the implementation of commercially reasonable staging and scheduling efforts, would nevertheless disturb labor harmony with the workforce or trades engaged in performing other work, labor or services in or about the Project. In addition to Tenant's obligations under Article 9 of this Lease, upon completion of any Alterations, to the extent required by Applicable Law, Tenant shall cause a Notice of Completion to be recorded in the office of the Recorder of the county in which the Project is located in accordance with Section 8182 of the Civil Code of the State of California or any successor statute. Tenant shall, promptly following the completion of any Alterations (including any Cosmetic Alterations) and request by Landlord, compile and deliver to Landlord a "close-out package" in such format reasonably designated by Landlord at the commencement of the particular Alteration (e.g., paper and/or electronic files) containing, without limitation, the following items (to the extent reasonably deemed necessary by Landlord for the particular Alterations): # as-built drawings and final record CAD drawings, # warranties and guarantees from all contractors, subcontractors and material suppliers, # all permits, approvals and other documents issued by any governmental agency in connection with the Alterations, # an independent air balance report, if required due to the nature of the Alterations, # lien releases for all work performed at the Project, and # such other information or materials as may be reasonably requested by Landlord.

Manner of Construction. Landlord may impose, as a condition of its consent to any and all Alterations or repairs of the Premises or about the Premises, such requirements as Landlord in its reasonable discretion may deem desirable, including, but not limited to, the requirement that upon Landlord's request, Tenant shall, at Tenant's expense, remove such Alterations upon the expiration or any early termination of the Lease Term. Tenant shall construct such Alterations and perform such repairs in a good and workmanlike manner, in conformance with any and all applicable federal, state, county or municipal laws, rules and regulations and pursuant to a valid building

with contractors and/or vendors reasonably approved by Landlord; and # pursuant to plans and specifications reasonably approved by Landlord, as the case may be. Landlord’s review and approval of the plans and specifications for the Alterations shall create no responsibility or liability on the part of Landlord for their completeness, design sufficiency, or compliance with all Laws. Notwithstanding anything to the contrary contained in this Lease (including, without limitation, Section 31, below) Landlord’s consent may be conditioned, among other things, on Tenant’s removing any such Alterations at the Expiration Date and repairing and restoring the Premises and the Building to the same condition as initially delivered to Tenant. Before commencing any work, Tenant shall # give Landlord at least ten (10) days written notice of the proposed commencement of such work, # provide Landlord with the necessary certificates of insurance as required by Section 17 below, and # secure, at Tenant’s own cost and expense, a completion and lien indemnity bond, reasonably satisfactory to Landlord, for said work if reasonably required by Landlord; provided, however, that so long as Tenant is not then in monetary default under this Lease, Landlord shall not require such bond unless the cost of such Alterations are reasonably likely to exceed One Million Dollars ($1,000,000.00). Landlord shall have the right at all times to post notices of non-responsibility on the Premises and record verified copies thereof in connection with all work of any kind upon the Premises. The complete set of construction documents outlining proposed interior improvements shall be furnished to Landlord before the construction commences. An executed copy of the final building permit shall be provided to Landlord before the notice of non-responsibility shall be removed from the Premises. Tenant shall pay to Landlord a supervision fee equal to one percent (1%) of the hard cost of such Alterations to compensate Landlord for all overhead, general conditions, fees and other costs and expenses arising from Landlord’s supervision of or involvement with the Alterations; provided, however, that no fee shall be charged by Landlord in connection with an Exempt Alteration. Promptly after completion of any Alterations, Tenant shall deliver to Landlord “as-built” plans and specifications (including all working drawings) for the Alterations, and cause a Notice of Completion to be recorded in the office of the Recorder of the County of Contra Costa in accordance with Section 3093 of the California Civil Code or any successor statute and furnish a copy thereof to Landlord upon recordation, and timely give all notices required pursuant to Section 3259.5 of the California Civil Code or any successor statute (failing which, Landlord may itself execute and file such Notice of Completion and give such notices on behalf of Tenant as Tenant’s agent for such purpose).