Tenant Improvements Defined. As used herein, “Tenant Improvements” shall mean all improvements to the Premises of a fixed and permanent nature as shown on the Tl Construction Drawings, as defined in [Section 2(c)] below. Other than Landlord’s Work (as defined in Section 3(a) below), Landlord shall not have any obligation whatsoever with respect to the finishing of the Premises for Tenant’s use and occupancy. Landlord and Tenant acknowledge and agree that a portion of the Premises, as reflected in the Space Plan, will not be improved as part of the Tenant Improvements as Tenant has indicated that it does not require that such portion of the Premises be improved in connection with its operations in the Premises. Upon request from Tenant, Landlord shall provide Tenant with notice of planned meetings regarding the design and construction of the tenant improvements. Tenant shall have a right to have a representative present for all design and construction meetings relating to the Tenant Improvements.

Budget. Before the commencement of construction of the Tenant Improvements, Tenant shall deliver to Landlord a detailed breakdown by trade of the costs incurred or that will be incurred in connection with the design and construction of the Tenant Improvements and the estimated payment schedule for such costs, which Tenant shall update at least monthly (the most recent such budget, the “Budget”).

Ownership of Tenant Improvements. The Tenant Improvements (including, but not limited to, all partitioning, window and wall coverings, and plumbing, lighting, electrical, and HVAC fixtures installed by Tenant) shall be deemed, effective upon installation, to be a part of the Premises and the Building and shall be deemed to be the property of Landlord (subject to Tenant’s right to use the same during the Term of the Lease), and shall be surrendered at the expiration or earlier termination of the Term, unless Landlord shall have reasonably conditioned its approval of the Final Working Drawings or any Plan Modification pursuant to [Section 2.2.1 or 2.2.6]6], as applicable, on Tenant’s agreement to remove any items thereof. The removal of such items and the restoration and repair work described above shall be paid for and performed in accordance with the provisions of Paragraph 36 of the Lease.

Cost of Tenant Improvements. The cost of the design, construction and installation of the Tenant Improvements shall be borne as follows:

Budget. The Project Budget accurately reflects all Total Project Related Costs. Upon the making of the Additional Advances requested in ​’s Advance Request in the manner set forth therein, all materials and labor theretofore supplied or performed in connection with the Property will have been paid for in full (subject to the Retainage).

Budget. As soon as available and in any event within 65 days after the beginning of the Borrower’s fiscal years, the Borrower will deliver a Budget of the Borrower and its consolidated Subsidiaries for such fiscal year.

The construction in the Expansion Premises shall be performed in accordance with [Exhibit D] attached to the Lease as if references to the Premises therein were references to the Expansion Premises. Landlord shall oversee and manage the construction of the Tenant Improvements to the 6,282 rentable square feet in the Expansion Premises utilizing the general contractor selected solely at Tenant’s discretion as provided for in [Exhibit D] to the Lease and in compliance with the “Final Plans” (as defined in [Exhibit D]), in accordance with, and subject to, the terms and conditions of the Tenant Improvement Letter attached to the Lease as [Exhibit D]. Landlord’s construction shall not include any personal property, furniture, fixtures and equipment of Tenant.

Tenant Lobby Furnishings. Tenant may notify Landlord in writing, on or before September 15, 2015, if Tenant elects to include any of the lobby reception desk, furniture or furnishings within the Tenant Improvements and exclude any of the foregoing items from the Base Building Improvements (“Tenant Takeover Lobby Furnishings”). If Tenant elects to provide or construct any Tenant Takeover Lobby Furnishings as part of the Tenant Improvements, Landlord shall provide an allowance (in addition to the Tenant Improvement Allowance) to fully reimburse Tenant for its costs incurred in connection with the Tenant Takeover Lobby Furnishings in an amount equal to the corresponding costs of such items included in Landlord’s budget for the Base Building Improvements (“Additional Lobby Allowance”). Such Tenant Takeover Lobby Furnishings shall be included in the Preliminary Plans and Final Working Drawings, as and to the extent applicable, submitted to Landlord for approval pursuant to Section 2.2 and the disbursement of the Additional Lobby Allowance shall be subject to the same conditions set forth in Section 6.5 with respect to the disbursement of the Tenant Improvement Allowance

Improvements. WuXi ATU shall own all right, title, and interest in any Improvements in WuXi ATU Property that is generally applicable for the manufacture and testing of biological products and does not specifically rely upon Graphite Property.

Improvements. Subtenant shall use the Subleased Premises in its current configuration as of the Commencement Date, and shall not have the right to make any substantial alterations or improvements to the Subleased Premises without Sublandlord’s prior written consent. To the extent Sublandlord permits any such alterations or improvements, such alterations shall be in accordance with the Master Lease, and shall be made only with the prior written consent of both Master Landlord and Sublandlord. Notwithstanding the foregoing, subject to Master Landlord’s consent and Sublandlord’s review of final detailed plans, Subtenant may perform (in compliance with the terms of Section 8 of the Master Lease, as incorporated herein) and surrender at the end of the Term, the alterations described in Exhibit D hereto, at Subtenant’s sole cost and expense.

Tenant Deposits. All tenant and licensee security deposits collected and not applied by ​ (and interest thereon if required by Law or contract) shall be transferred or credited to ​ at Closing. As of the Closing, ​ shall assume ​’s obligations related to tenant and licensee security deposits, but only to the extent they are credited or transferred to ​. Any and all deposits, bonuses or similar payments by any licensees under the License Agreements or any vendors under the Service Contracts shall be retained by ​ and not prorated or credited to ​. In the event the security deposit shall have been deposited with ​ in a form other than cash (e.g., letter of credit), ​ shall satisfy its obligations hereunder with respect to such security deposit by delivering to Escrow Agent, to be held in trust for the benefit of ​, an assignment of such security deposit to ​ with written instructions to the issuer of such deposit to transfer the same to ​, and appropriate instruments of transfer or assignment.

Tenant/Leases. As of the Effective Date, [Exhibit G] lists all tenants of the Properties and the Lease Files include all leases and amendments with such tenants. To ​’s knowledge, ​ has not entered into any License Agreement or Lease or other right relating to the use or possession of the Properties or any part thereof except for the tenants under the Leases or the occupants under the License Agreements.

Landlord’s construction management fee of four percent (4%) of the total costs of the Tenant Improvements.

Inspection. At all times during construction of the Tenant Improvements and upon completion of the Tenant Improvement Work, Landlord and Landlord’s employees and agents shall have the right to inspect the Tenant Improvements, and to require the correction of any faulty work or any material deviation from the Approved TI Construction Drawings; provided, however, that if Landlord determines that any faulty work or material deviation exists that might adversely affect the structure of the Building or the Base Building Systems, then # Landlord, at Tenant’s expense, may take such action (including suspension of construction of the Tenant Improvements) as Landlord reasonably deems necessary to correct such defect, and # until such defect is corrected, Landlord may withhold from the disbursement of the Tenant Improvement Allowance an amount equal to one hundred fifty percent (150%) of the estimated cost to correct such defect. Tenant shall not close-up any Tenant Improvements affecting the Base Building Systems until the same have been inspected by Landlord’s agents. No inspection or approval by Landlord of any such work shall constitute an endorsement thereof or any representation as to the adequacy thereof for any purpose or the conformance thereof with any Applicable Laws, and Tenant remain fully responsible and liable therefor.

Tenant shall be responsible for delays and additional costs in completion of the design and construction of the Tenant Improvements caused by its changes to the Tenant Improvement Plans or by delays caused by Tenant’s special materials that require a long lead-time for delivery.

Tenant’s Architect and Engineers. Tenant has shall retain an architect (“Tenant’s Architect”) to design the Tenant Improvements and prepare the Space Plan, the Preliminary Plans, and Final Working Drawings (each as defined in Section 2.2), which Tenant’s Architect shall be subject to Landlord’s approval, which shall not be unreasonably withheld. Tenant shall retain such engineers

Tenant shall indemnify Landlord against and hold Landlord harmless from any mechanic’s lien or other lien arising out of the making of any alterations, repairs, additions or improvements by Tenant.

Payment for Improvements. In connection with any Alterations that affect the Building systems (other than minor changes such as adding or relocating electrical outlets and thermostats), or which have a cost in excess of ​, Tenant shall reimburse Landlord for Landlord's reasonable, actual, out-of-pocket costs and expenses actually incurred in connection with Landlord's review of such work.

Cost of Improvements. “Cost of Improvement” shall mean, with respect to any item or component for which a cost must be determined in order to allocate such cost, or an increase in such cost, to Tenant pursuant to this Tenant Work Letter, the sum of the following (unless otherwise agreed in writing by Landlord and Tenant with respect to any specific item or component or any category of items or components): # all sums paid to contractors or subcontractors for labor and materials furnished in connection with construction of such item or component; # all costs, expenses, payments, fees and charges (other than penalties) paid to or at the direction of any city, county or other governmental or quasi-governmental authority or agency which are required to be paid in order to obtain all necessary governmental permits, licenses, inspections and approvals relating to construction of such item or component; # engineering and architectural fees for services rendered in connection with the design and construction of such item or component (including, but not limited to, the Architect for such item or component and an electrical engineer, mechanical engineer, structural engineer and civil engineer, if applicable); # sales and use taxes; # testing and inspection costs; # the cost of power, water and other utility facilities and the cost of collection and removal of debris required in

Ownership of Improvements. Arcus shall own all right, title and interest in and to any Improvements invented solely by Arcus, including, without limitation, any Intellectual Property Rights therein. Each Party shall own a fifty percent (50%) undivided interest in all Joint Improvements. The Parties hereby make any assignments necessary to accomplish the foregoing ownership provisions. Except as expressly provided in this Agreement and subject to any restrictions therein, each joint owner may make, sell, use, license, assign, mortgage or keep Joint Improvements, and otherwise undertake all activities a sole owner might undertake with respect to such inventions, discoveries and know-how, without the consent of and without accounting to the other joint owner; provided that any assignment, license or other disposition or use # shall at all times be and remain subject to the grants of rights and accompanying conditions and obligations with respect thereto under this Agreement, and # allow the Parties to exercise their rights and perform their obligations under this Agreement, in particular to Develop and Commercialize Licensed Products in at least the same scope as prior to such assignment, license or other such disposition.