Tenant Improvements. All Tenant Improvements shall be performed by Tenant’s contractor, at Tenant’s sole cost and expense (subject to Landlord’s obligations with respect to any portion of the TI Allowance and in accordance with the Approved Plans (as defined below), the Lease and this Work Letter. To the extent that the total projected cost of the Tenant Improvements (as projected by Landlord) exceeds the TI Allowance (such excess, the “Excess TI Costs”), Tenant shall pay the costs of the Tenant Improvements as such costs become due, and Landlord shall reimburse Tenant (or pay directly to Tenant’s contractor) on a pari passu basis, in the proportion of Excess TI Costs payable by Tenant to the TI Allowance payable by Landlord. If the cost of the Tenant Improvements (as projected by Landlord) increases over Landlord’s initial projection, Tenant shall promptly notify Landlord, and Landlord’s payment of the TI Allowance shall be on an adjusted pari passu basis based on the additional Excess TI Costs. All material and equipment furnished by Tenant or its contractors as the Tenant Improvements shall be new or “like new;” the Tenant Improvements shall be performed in a first-class, workmanlike manner; and the quality of the Tenant Improvements shall be of a nature and character not less than the Building Standard, as set forth in Exhibit B-2. Tenant shall take, and shall require its contractors to take, commercially reasonable steps to protect the Premises during the performance of any Tenant Improvements, including covering or temporarily removing any window coverings so as to guard against dust, debris or damage. All Tenant Improvements shall be performed in accordance with Article 16 of the Lease; provided that, notwithstanding anything in the Lease or this Work Letter to the contrary, in the event of a conflict between this Work Letter and Article 16 of the Lease, the terms of this Work Letter shall govern.

Tenant Improvements. Tenant is planning to make improvements to the space. They include, a finished pass through from suite 220 into suite 210, frosting the entry glass into suite 220, adding slats to existing salt wall, adding a new slat wall to create a conference space, removal of the entry fixture, replacement of light fixtures, refinish the reception desk, windows and baseboards. All plans, finishes and fixtures to be approved by the Landlord. The Landlord will facilitate the improvements and hold the contract with the GC. Landlord will pay the invoices and be reimbursed by Tenant. The current cost breakdown is an estimate, depending on final finishes and specs.

Tenant Improvements. Promptly following the Third Expansion Premises Commencement Date, Tenant shall in a diligent, good and workmanlike manner in accordance with plans to be approved by Landlord and in compliance with all applicable federal, state and local laws, rules, regulations and ordinances, improve the Third Expansion Premises pursuant to the process as described on [Exhibit D] attached hereto (collectively, “Tenant Improvements”). [Section 1.6] in the Original Lease shall not apply to construction of the Tenant Improvements, which shall be governed solely by this Amendment.

The parties hereby acknowledge that, as of the date of this Fourteenth Amendment, Tenant has a remaining tenant improvement balance in the amount of ​ (the “Current Improvement Allowance Balance”), which amount is the sum of ​ remaining under Section VI.C. of the Eleventh Amendment (the “Eleventh Amendment Allowance Balance”) plus ​ remaining under [Section V].C. of the Twelfth Amendment (the “Twelfth Amendment Allowance Balance”). Pursuant to the Eleventh Amendment, the deadline by which Tenant must use the Eleventh Amendment Allowance Balance in the manner set forth therein before such amount automatically reverts to Landlord and is no longer available to Tenant is December 31, 2022. Pursuant to the Twelfth Amendment, the deadline by which Tenant must use the Twelfth Amendment Allowance Balance in the manner set forth therein before such amount automatically reverts to Landlord and is no longer available to Tenant is November 30, 2024. The Lease is hereby further amended such that, # the deadline by which Tenant must use the Eleventh Amendment Allowance Balance in the manner set forth in the Eleventh Amendment is modified to be December 31, 2023, and # the deadline by which Tenant must use the Twelfth Amendment

Tenant Improvements. Subject to this [Section 4], Tenant shall accept the Suite 110 Premises in its “as is” condition (subject to Landlord's continuing repair and maintenance obligations, as outlined in [Section 10] of the Lease (as may be amended)), and Landlord shall have no obligation to make any alterations or improvements thereto whatsoever (provided that Landlord shall deliver same in good and tenantable condition, broom clean, with all systems serving same in good working order). Any alterations that Tenant desires to make in the Suite 110 Premises shall be subject to all the terms and conditions set forth in [Section 11] of the Lease. Notwithstanding anything in the Lease to the contrary, Landlord hereby agrees to grant Tenant an allowance in the amount of $10,000 to be applied toward the cost (including architectural and engineering fees) of alterations performed by Tenant in the Suite 110 Premises (the “Granted Allowance”) in conjunction with Tenant’s initial occupancy of Suite 110 Premises.

Tenant Improvements. Unless specified otherwise herein, Tenant shall bear and pay the cost of the Tenant Improvements,(which cost shall include, without limitation, the costs of construction as provided for in the Tenant Improvement Contractor’s contract, the cost of permits, all architectural, design, space planning, and engineering services obtained by Tenant in connection with Tenant Improvements, laboratory and office improvements, wiring and cabling costs, and cubicle costs and the construction supervision fee payable to Landlord in an amount equal to the lesser of # $150,000, and # 1.5% of the cost (excluding such fee) of the Tenant Improvements; provided that so long as Tenant is not in default under the Lease beyond all applicable notice and cure periods, Landlord shall contribute a maximum of $150 per rentable square foot, for an aggregate maximum of # $15,121,200 (the “Tenant Improvement Allowance”), which shall be utilized only building improvements to the Building, the Generator and for any related costs, including but not limited to design, engineering, construction, furniture and equipment appurtenant to the Leased Premises, cabling, project management fees, moving expenses, and signage, plus # the additional sum of $350,000 (the “Elevator Allowance”) to be used by Tenant to partially defray the cost of the freight elevator to be installed by Tenant. The Tenant Improvement Allowance shall be available to Tenant until the later of # December 1, 2022, as may be delayed by Force Majeure and Landlord Delays, and # the date that is thirty (30) months after the Lease Commencement Date (the “TI Allowance Deadline”), after which Tenant shall have no further right to request any unrequested portion of the Tenant Improvement Allowance. The Elevator Allowance shall be available to Tenant until December 31, 2026, as may be delayed by Force Majeure and Landlord Delays (the “Elevator Allowance Deadline”; together with the TI Allowance Deadline, each an “Allowance Deadline”), after which Tenant shall have no further right to request any unrequested portion of the Elevator Allowance. Landlord acknowledges that Tenant may complete pre-construction, construction and installation of the freight elevator in phases over the course of the Term of the Lease, and agrees to make payments (which may be in multiple draws) of the Elevator Allowance to Tenant in accordance with this Paragraph 3. Subject to the applicable Allowance Deadline, based upon applications for payment prepared, certified and submitted by Tenant as described below, Landlord shall make progress payments from the Tenant Improvement Allowance or Elevator Allowance to Tenant in accordance with the provisions of this Paragraph 3 as follows:

Tenant Improvements. All Tenant Improvements shall be performed by Landlord’s contractor, at Tenant’s sole cost and expense (subject to Landlord’s obligations with respect to any portion of the TI Allowance used by Landlord in completing the Tenant Improvements) and in substantial accordance with the Approved Plans (as defined below), the Lease and this Work Letter. To the extent that the total projected cost of the Tenant Improvements (as projected by

Tenant Improvements. Subject to this [Section 4], Tenant shall accept the Suite 100 Premises in its “as is” condition (subject to Landlord's continuing repair and maintenance obligations, as outlined in [Section 10] of the Original Lease (as may be amended)), and Landlord shall have no obligation to make any alterations or improvements thereto whatsoever (provided that Landlord shall deliver same in good and tenantable condition, broom clean, with all systems serving same in good working order). Any alterations that Tenant desires to make in the Suite 100 Premises shall be subject to all the terms and conditions set forth in [Section 11] of the Original Lease.

Tenant Improvements. Subject to this Section 4, Tenant shall accept the Suite [[Unknown Identifier]] Premises and Suite [[Unknown Identifier]] Premises in their “as is” condition (subject to Landlord's continuing repair and maintenance obligations, as outlined in Section 10 of the Lease (as may be amended)), and Landlord shall have no obligation to make any alterations or improvements thereto whatsoever (provided that Landlord shall deliver same in good and tenantable condition, broom clean, with all systems serving same in good working order). Any alterations that Tenant desires to make in the Suite [[Unknown Identifier]] Premises and Suite [[Unknown Identifier]] Premises shall be subject to all the terms and conditions set forth in Section 11 of the Lease. Notwithstanding anything in the Lease to the contrary (and specifically deleting the references to the Improvements Allowances (as defined in Section 7 of the Fourth Amendment) for the DB First Floor Expansion Premises and the DB Second Floor Expansion Premises in Section 7 of the Fourth Amendment), Landlord hereby agrees to grant Tenant # an allowance in the amount of $217,480.45 (i.e. $29.33 per rentable square foot multiplied by 7,416 rentable square feet) (the “Suite [[Unknown Identifier]] Granted Allowance”) to be applied toward the cost (including architectural and engineering fees) of alterations performed by Tenant in the Suite [[Unknown Identifier]] Premises and # an allowance in the amount of $124,988.76 (the “Suite [[Unknown Identifier]] Granted Allowance”, together with the Suite [[Unknown Identifier]] Granted Allowance, collectively, the “Granted Allowance”) to be applied toward the cost of the design and construction of any alterations Tenant desires to perform in Suite [[Unknown Identifier]] Premises and Suite [[Unknown Identifier]] Premises, respectively, in conjunction with Tenant’s initial occupancy of Suite [[Unknown Identifier]] Premises and Suite [[Unknown Identifier]]. Any portion of the Granted Allowance may be applied to pay the fees of the architect and engineers and any construction supervision, contractors' overhead and profit charges, along with fees for any project manager employed by Tenant with respect to such alterations, as well as any licensing and permitting costs and fees; provided, the Suite [[Unknown Identifier]] Granted Allowance may only be used for the Suite [[Unknown Identifier]] Premises and the Suite [[Unknown Identifier]] Granted Allowance may only be used for the Suite [[Unknown Identifier]] Premises.

Tenant Improvements. Tenant shall cause the Tenant Parties to construct, furnish or install all improvements, equipment or fixtures, that Tenant deems reasonably necessary for Tenant’s intended use of the Leased Premises, including laboratory, research and development, and manufacturing facilities, which shall include, without limitation, a new freight elevator (collectively, the “Tenant Improvements”). Tenant shall cause the Tenant Parties to complete construction of the Tenant Improvements for the entirety of the Leased Premises. Tenant shall also be responsible for the cost of any alterations to the Building to comply with applicable Laws to the extent solely required as a result of the Tenant Improvements; provided that Tenant shall not be responsible for any alterations required of Landlord under the Lease or this Work Letter. Tenant has engaged and Landlord has approved # Crew Universal as its consultant to manage the design and construction of the Tenant Improvements (“Tenant Improvement Project Manager”), and # DES Architects + Engineers as its architect for the Tenant Improvements (“Tenant Improvement Architect”). Tenant shall cause all drawings and specifications for the Tenant Improvements to be prepared by the Tenant Improvement Architect and to be constructed by GCI, Inc. or another general contractor licensed in California, selected by Tenant, and reasonably approved by Landlord (“Tenant Improvement Contractor”). Landlord’s prior written consent, which shall not be unreasonably withheld, conditioned or delayed, shall be required if Tenant desires to change its Tenant Improvement Architect, Tenant Improvement Contractor or Tenant Improvement Project Manager. Tenant shall furnish to Landlord a copy of the executed contracts between Tenant and Tenant Improvement Architect, and Tenant and Tenant Improvement Contractor, covering all of Tenant’s obligations under this Work Letter.