[[Organization B:Organization]] identification shall be provided by [[Organization A:Organization]] in conformance to the signage standards for the building and local codes. No additional signage shall be installed by [[Organization B:Organization]].

Project or Building Name, Address and Signage. Landlord shall have the right at any time to change the name and/or address of the Project or Building (and Landlord shall reimburse Tenant its actual, reasonable costs incurred as a result of such change, if any) and, subject to Section 23.1, to install, affix and maintain any and all signs on the exterior and on the interior of the Project or Building as Landlord may, in Landlord's sole discretion, desire. Tenant shall not use the name of the Project or Building or use pictures or illustrations of the Project or Building in advertising or other publicity or for any purpose other than as the address of the business to be conducted by Tenant in the Premises, without the prior written consent of Landlord.

One building standard tenant identification sign to be provided at the upper floor elevator lobbies. Building standard evacuation signage to be provided at upper floor elevator lobbies and stairs.

Exterior Signage. Subject to Landlord's prior written approval, which shall not be unreasonably withheld, conditioned or delayed, and provided all signs are in keeping with the quality, design and style of the Building and Project, Tenant, at its sole cost and expense, may install # identification signage on the monument sign outside the front entrance to the Building (which monument Landlord shall install at its sole cost prior to the Lease Commencement Date) # Building entrance signage, internal directional and lobby identification signage, and # one (1) sign on the Building in a mutually reasonably approved location all in accordance with the Project master signage program (collectively, "Tenant Signage"); provided, however, # in no event shall Tenant's Signage include an "Objectionable Name," as that term is defined in Section 23.3, of this Lease, and # if not already completed, Landlord shall consult with Tenant prior to finalizing the master signage program and consider in good faith Tenant's reasonable comments with respect thereto. All such signage shall be subject to Tenant's obtaining all required governmental approvals. All permitted signs shall be maintained by Tenant at its expense in a first-class and safe condition and appearance. Upon the expiration or earlier termination of this Lease, Tenant shall remove all of its signs at Tenant's sole cost and expense. The graphics, materials, color, design, lettering, lighting, size, illumination, specifications and exact location of Tenant's Signage (collectively, the "Sign Specifications") shall be subject to the prior written approval of Landlord, which approval shall not be unreasonably withheld, conditioned or delayed, and shall be consistent and compatible with the quality and nature of the Project. Tenant hereby acknowledges that, notwithstanding Landlord's approval of Tenant's Signage, Landlord has made no representation or warranty to Tenant with respect to the probability of obtaining all necessary governmental approvals and permits for Tenant's Signage. In the event Tenant does not receive the necessary governmental approvals and permits for Tenant's Signage, Tenant's and Landlord's rights and obligations under the remaining terms of this Lease shall be unaffected. Except as required by applicable law, Landlord shall not install any other signage on the Building. If Landlord elects to install a multi- tenant identification sign at the entrance to the Project, Tenant shall be entitled to install its name on such sign (subject to availability on a pro-rata basis based on the relative square footages leased by the tenants of the Project), at Tenant's sole cost and expense.

Building Generator. Commencing on the Lease Commencement Date, Tenant shall have the right to connect to the Building back-up generator, which Landlord shall install as part of Landlord’s Work (the "Generator"), for Tenant’s Share of the Generator’s capacity (after accounting for any Building Common Area requirements) to provide back-up generator services to the Premises. During the Lease Term, Landlord shall maintain the Generator in good condition and repair, and Tenant shall be responsible for a share of the costs of such maintenance and repair based on the proportion of the Generator capacity allocated to the Premises. Notwithstanding the foregoing, Landlord shall not be liable for any damages whatsoever resulting from any failure in operation of the Generator, or the failure of the Generator to provide suitable or adequate back-up power to the Premises, including but not limited to, loss of profits, loss of rents or other revenues, loss of business opportunity, loss of goodwill or loss of use, in each case, however occurring, or loss to inventory, scientific research, scientific experiments, laboratory animals, products, specimens, samples, and/or scientific, business, accounting and other records of every kind and description kept at the Premises and any and all income derived or derivable therefrom.

Interior Signage. ​ may install identification and other signage anywhere in the Premises including in the elevator lobby of the Premises, provided that such signs must not be visible from the exterior of the Building, unless required by Applicable Law. Except as set forth in Section 23.2, below, ​ may not install any signs on the exterior or roof of the Building or the Common Areas. Any signs, window coverings, or blinds (even if the same are located behind the ​-approved window coverings for the Building), or other items visible from the exterior of the Premises or Building, shall be subject to the prior approval of ​, in its sole discretion.

Permitted Signage. Tenant may place Signage at Tenant’s main entrance to display Tenant’s business name, type of business and/or logo only. Tenant may also install Signage at Tenant’s main entrance to display Tenant’s hours of operation and such other information approved by Landlord in writing. Landlord shall designate the specific location of Tenant’s Signage.

Interior Signage. Except as provided herein, no signs visible from the exterior of the Premises shall be permitted in the interior of the Premises without Landlord’s prior written consent.

Exclusive Use. Subject to the terms and conditions set forth in Paragraph 12 and this Paragraph 40, Tenant shall have the exclusive right to improve the area on the roof of the Building as designated on Exhibit A-1 (the “Roof Top Area”) for use as a Roof Top Area. The Roof Top Area shall be used solely for such purpose and only by Tenant and Tenant’s employees and guests, and in no event shall it be open to the public.

Removal. Tenant shall remove all of its Signage upon the expiration or early termination of the Lease. Tenant shall notify Landlord prior to such removal. Landlord, at Tenant’s expense, shall repair any damage to the building required as a result of Tenant’s sign removal.