Within sixty (60) days after final completion of the Tenant Improvements or any Alterations performed by Tenant with respect to the Premises, Tenant shall submit to Landlord documentation showing the amounts expended by Tenant with respect to such Tenant Improvements and Alterations, together with supporting documentation reasonably acceptable to Landlord.

Tenant shall designate one or more representatives who shall be available throughout the process of design and construction of the Tenant Improvements, for onsite and telephone consultations and decisions as necessary. Tenant’s designated representatives shall have the authority to bind Tenant as to all matters relating to the Tenant Improvements.

Continuous Improvements. The Parties will discuss in good faith value-added activity and improvement in the Manufacturing process on a continuing basis and, unless the Parties otherwise agree SGI will bear ​ of any costs associated with improvements to the Manufacturing process for the SGI Antibodies and Unum will bear ​ of any costs associated with improvements to the Manufacturing process for the ACTR T-cells.

Ownership; Improvements. As between the Parties, Licensor will solely own all right, title, and interest in and to the Licensed Protocol, the Kaufmann Name and the Kauffman Intellectual Property. As between the Parties, Licensor will solely own all right, title, and interest in and to all Improvements regardless of inventorship, authorship, or other origination; provided that all Improvements will be included in the license granted to Commercializing Party under Section 2.1. If any employee, agent, or independent contractor of Commercializing Party makes any Improvement, whether solely or jointly with Licensor, Commercializing Party hereby transfers and assigns to Licensor, without additional consideration, all of its right, title, and interest in and to such Improvement.

Capital Improvements. Notwithstanding anything else to the contrary contained in this Lease, ​, at ​’s sole cost and expense, shall be required to perform all capital improvements in connection with the performance of ​’s Maintenance Obligations. ​ shall provide written notice to ​ in the event that any such capital improvements are required during the Lease Term and shall perform the same in accordance with the terms of Article 8 of the Lease.

Tenant shall not make, or allow to be made, any alterations, physical additions, improvements or partitions, including without limitation the attachment of any fixtures or equipment, in, about or to the Premises (“Alterations”) without obtaining the prior written consent of Landlord, which consent shall not be unreasonably withheld with respect to proposed Alterations which: # comply with all applicable Regulations (defined below); # are, in Landlord’s opinion, compatible with the Building or the Project and its mechanical, plumbing, electrical, heating/ventilation/air conditioning systems, and will not cause the Building or Project or such systems to be required to be modified to comply with any Regulations (including, without limitation, the Americans With Disabilities Act); and # will not interfere with the use and occupancy of any other portion of the Building or Project by any other tenant or its invitees. Specifically, but without limiting the generality of the foregoing, Tenant must obtain Landlord’s written consent for all plans and specifications for the proposed Alterations, construction means and methods, all appropriate permits and licenses, any contractor or subcontractor to be employed on the work of Alterations, and the time for performance of such work, and may impose rules and regulations for contractors and subcontractors performing such work. Tenant shall also supply to Landlord any documents and information requested by Landlord in connection with Landlord’s consideration of a request for approval hereunder. Tenant shall cause all Alterations to be accomplished in a good and workmanlike manner, and to comply with all applicable Regulations. Tenant shall at Tenant’s sole expense, perform any additional work required under applicable Regulations due to the Alterations hereunder. No review or consent by Landlord of or to any proposed Alteration or additional work shall constitute a waiver of Tenant’s obligations under this Paragraph 8.1. Tenant shall reimburse Landlord for all costs which Landlord may incur in connection with granting approval to Tenant for any such Alterations, including any costs or expenses which Landlord may incur in electing to have outside architects and engineers review said plans and specifications. All such Alterations shall remain the property of Tenant until the expiration or earlier termination of this Lease, at which time they shall be and become the property of Landlord; provided, however, that Landlord may, at Landlord’s option, require that Tenant, at Tenant’s expense, remove any or all Alterations made by Tenant and restore the Premises by the expiration or earlier termination of this Lease, to their condition existing prior to the construction of any such Alterations. All such removals and restoration shall be accomplished in a first- class and good and workmanlike manner so as not to cause any damage to the Premises or Project whatsoever. If Tenant fails to remove such Alterations or Tenant’s trade fixtures or furniture or other personal property, Landlord may keep and use them or remove any of them and cause them to be stored or disposed of in accordance with applicable law, at Tenant’s sole expense.

Initial Improvements. Except for Landlord’s Work, the initial improvement of the Premises under this Lease shall be accomplished by Tenant or its designated contractor in accordance with [Exhibit B] and all other applicable provisions of this Lease (including, without limitation, Articles IX, XIII and XIX). Landlord is under no obligation to make any structural or other Alterations in or to the Premises or the Building except as may be otherwise expressly provided in this Lease, including [Exhibit B]. Alterations shall be deemed to include, without limitation, all trade fixtures.

Primary Improvements. Subject to Legacy’s rights under Section 4.2, Primary shall be entitled to sole ownership of # all inventions, discoveries, or improvements related to any Metallophile™ Technology, VDCs, or the manufacture or use of any of the foregoing, conceived, reduced to practice, or otherwise generated by either Party, any Affiliate thereof, or any employee, contractor, agent, or representative of either Party or any Affiliate thereof, solely or jointly with the other Party , any Affiliate thereof, or any Third Party, as a result of the activities contemplated by this Agreement, the parties’ interactions under this Agreement, or Legacy’s, its Affiliates’, or their employees’, contractors’, agents’ or representatives’ knowledge or use of, or access to, Primary’s Confidential Information, Metallophile™ Technology, or any VDC(s) and (ii) Viamet Improvements (collectively, all of the foregoing, “Primary Improvements”), and all intellectual property rights related thereto, specifically excluding any improvements of Protected Ag Partner Scaffold Information or Protected Ag Partner Development Process directly resulting from a Party’s knowledge or use of Protected Ag Partner Scaffold Information or Protected Ag Partner Development Process. Primary Improvements shall, notwithstanding anything to the contrary, include, but not be limited to, any Derivatives of VDCs generated by or on behalf of Legacy, Ag Partner, any Affiliate of either of the foregoing, or any Legacy Licensee in the exercise of the rights granted under Section 4.2 or research, development, use, manufacture, or sale of any VDC or any Viamet Derived Product. Subject to Legacy’s rights under Section 4.2, Legacy hereby assigns all of its right, title, and interest in any Primary Improvements (including any such rights, title, or interest obtained by Legacy from Ag Partner, any Affiliate thereof, or any Legacy Licensee), and all intellectual property rights related thereto, to Primary, free and clear of all liens, claims, and encumbrances. Legacy shall take all actions, and shall # cause its Affiliates, and its and its Affiliates’ employees, contractors, agents, and other representatives and to the extent reasonably possible through the exercise and enforcement of Legacy’s rights under [Section 10.3(c)] of the Existing Ag Agreement, # Ag Partner, Ag Partner’s Affiliates, and Ag Partner’s and Ag Partner’s Affiliates employees, contractors, agents, and other representatives to take all actions, including but not limited to the execution of patent assignments or other documents, reasonably requested by Primary to effect the purposes of the foregoing. As soon as reasonably aware of the conception, reduction to practice, or other generation of any Primary Improvement by Legacy, any Affiliate thereof, any Legacy Licensee, or any employee, contractor, agent, or other representative of either of the foregoing, solely or jointly with Primary or any Third Party, Legacy shall promptly disclose the same to Primary in writing. Legacy shall use Commercially Reasonable Efforts to enforce those provisions of the Existing Ag Agreement corresponding to the subject matter of this Section 9.3 for the benefit of Primary.

requirements and approvals relating to the Tenant Improvements in the Expansion Space, # construction management services relating to the Tenant Improvements in the Expansion Space, and # any and all costs, expenses, fees and charges incurred in connection with the Tenant Improvements in the Expansion Space and/or the items described in [(i) through (iv) above]. If the Expansion Tenant Improvement Allowance is insufficient to defray the entire cost of the Tenant Improvements, the balance shall be paid entirely by Tenant pursuant to the terms and conditions specified in [Exhibit D] to the Lease; provided, however, Tenant will not be required to pay any amount until the Landlord has paid the Expansion Tenant Improvement Allowance stated above less retainage equaling ten percent (10%) of the total cost of constructing the Tenant Improvements in the Expansion Premises, which shall be deliberately withheld until completion to assure that the contractor and/or subcontractors satisfy their obligations in performing the approved improvements and/or approved work related thereto. Landlord has no obligation to advance more than the Expansion Tenant Improvement Allowance for any items under any circumstances.

Tenant Improvements 23