Tenant Repair Obligations. Tenant shall, throughout the Term, at its sole cost and expense, maintain, repair or replace as required, the Premises in a good standard of maintenance, repair and replacement as required, and in good and sanitary condition, all in accordance with the standards of First Class Life Sciences Projects, except for the Landlord Repair Obligations, whether or not such maintenance, repair, replacement or improvement is required in order to comply with applicable Laws ("Tenant's Repair Obligations"), including without limitation, all electrical facilities and equipment, including lighting fixtures, lamps, fans and any exhaust equipment and systems, electrical motors and all other appliances and equipment of every kind and nature located in the Premises; all communications systems serving the Premises; all of Tenant's security systems in or about or serving the Premises; Tenant's signage; interior demising walls and partitions (including painting and wall coverings), equipment, floors. Tenant shall additionally be responsible, at Tenant’s sole cost and expense, to furnish all expendables, including light bulbs, paper goods and soaps, used in the Premises.

Tenant Repair Obligations. Tenant shall, throughout the Term, at its sole cost and expense, maintain, repair or replace as required, the Premises in a good standard of maintenance, repair and replacement as required, and in good and sanitary condition, all in accordance with the standards of First Class Life Sciences Projects, except for the Landlord Repair Obligations, whether or not such maintenance, repair, replacement or improvement is required in order to comply with applicable Laws ("Tenant's Repair Obligations"), including without limitation, all electrical facilities and equipment, including lighting fixtures, lamps, fans and any exhaust equipment and systems, electrical motors and all other appliances and equipment of every kind and nature located in the Premises; all communications systems serving the Premises; all of Tenant's security systems in or about or serving the Premises; Tenant's signage; interior demising walls and partitions (including painting and wall coverings), equipment, floors. Tenant shall additionally be responsible, at Tenant’s sole cost and expense, to furnish all expendables, including light bulbs, paper goods and soaps, used in the Premises.

Landlord’s Repair Obligations. Landlord will, subject to the casualty provisions of Article 9, maintain the # the Common Areas and Service Areas, # roof, foundation, exterior windows and load bearing items of the Building; # exterior surfaces of walls; and # plumbing, pipes and conduits located in the Common Areas or Service Areas of the Building. Landlord will not be required to make any repair in connection with or resulting from # any alteration or modification to the Premises or to Building equipment performed by, for or because of Tenant or to special equipment or systems installed by, for or because of Tenant, # the installation, use or operation of Tenant’s property, fixtures and equipment, # the moving of Tenant’s property in or out of the Building or in and about the Premises, # Tenant’s use or occupancy of the Premises in

Landlord Repair Obligations. Landlord shall throughout the Term, as a part of Operating Expenses, maintain, repair or replace as required, the Project in a good standard of maintenance, repair and replacement as required, and in good and sanitary condition, all in accordance with the standards of a First Class Life Sciences Project, including without limitation: # exterior windows, window frames, window casements (including the repairing, resealing, cleaning and replacing of exterior windows); # exterior doors, door frames and door closers; # the Building (including all those servicing the Premises) and Project plumbing, sewer, drainage, electrical, fire protection, life safety and security systems and equipment, existing heating, ventilation and air-conditioning systems, and all other mechanical and HVAC systems and equipment (including rebalancing thereof to the extent deemed reasonably necessary by Landlord) (collectively, the "Building Systems"), # the exterior glass, exterior walls, foundation and roof of the Building, the structural portions of the floors of the Building, including, without limitation,

Tenant Repair Obligations. Tenant shall, at Tenant's own expense, keep the interior, non-structural portions of the Premises, including all improvements, fixtures, furnishings, and systems and equipment therein (including, without limitation, plumbing fixtures and equipment such as dishwashers, garbage disposals, and insta‑hot dispensers), and the floor or floors of the Building on which the Premises are located (but not including the structural elements of such floors), in good order, repair and condition at all times during the Lease Term. In addition, Tenant shall, at Tenant's own expense, within a reasonable period of time specified by Landlord, promptly and adequately replace or repair all damaged, broken, or worn fixtures and appurtenances, except for damage caused by ordinary wear and tear or beyond the reasonable control of Tenant; provided however, that, if Tenant fails to make such repairs following notice and a reasonable opportunity to cure, Landlord may, but need not, make such repairs and replacements, and Tenant shall pay Landlord the cost thereof, including a percentage of the cost thereof (which percentage shall be consistent with the fees charged by the landlords of the Comparable Buildings and the fees charged by Landlord (or its affiliates) to other tenants in the vicinity of the Project) sufficient to reimburse Landlord for all overhead, general conditions, fees and other costs and expenses arising from Landlord's involvement with such repairs and replacements forthwith upon being billed for same.

Tenant’s Repair Obligations. Tenant, at Tenant’s expense, will maintain the Premises in good order, condition and repair including, without limitation, the interior surfaces of the windows, walls and ceilings; floors; wall and floor coverings; window coverings; doors; interior windows, the heat and air-conditioning equipment installed in the Premises; and all switches, fixtures and equipment in the Premises. Upon receipt of reasonable notice from Tenant, Landlord will perform, at the expense of Tenant, all repairs and maintenance to plumbing, pipes and electrical wiring located within walls, above ceiling surfaces and below floor surfaces resulting from the use of the Premises by Tenant. In no event will Tenant be responsible for any plumbing, pipes and electrical wiring, switches, fixtures and equipment located in the Premises but serving another tenant or for portions of the electrical, mechanical and plumbing systems of the Building which are located in the Premises, except for # repairs resulting from the acts of Tenant and Tenant’s employees, agents, invitees, subtenants, licensees or contractors, and # modifications made to such systems by, for, or because of Tenant, and # special equipment installed by, for, or because of Tenant.

Landlord Repair Obligations. Landlord shall be responsible, as a part of Operating Expenses, for repairs to and routine maintenance of the Building including without limitation: # exterior windows, window frames, window casements (including the repairing, resealing, cleaning and replacing of exterior windows); # exterior doors, door frames and door closers; # the Building (as opposed to the Premises) and Project plumbing, sewer, drainage, electrical, fire protection, life safety and security systems and equipment, existing heating, ventilation and air- conditioning systems, and all other mechanical and HVAC systems and equipment (collectively, the "Building Systems"), # the exterior glass, exterior walls, foundation and roof of the Building, the structural portions of the floors of the Building, including, without limitation, any painting, sealing, patching and waterproofing of exterior walls, and # repairs to the elevator in the Building and underground utilities, except to the extent that any such repairs are required due to the negligence or willful misconduct of Tenant (the "Landlord Repair Obligations"); provided, however, that if such repairs are due to the negligence or willful misconduct of Tenant, Landlord shall nevertheless make such repairs at Tenant's expense, or, if covered by Landlord's insurance, Tenant shall only be obligated to pay any deductible in connection therewith. Costs expended by Landlord in connection with the Landlord Repair Obligations shall be included in Operating Expenses to the extent allowed pursuant to the terms of Article 4, above. Landlord shall cooperate with Tenant to enforce any warranties that Landlord holds that could reduce Tenant's maintenance obligations under this Lease.

Tenant Repair Obligations. Tenant shall, throughout the Term, at its sole cost and expense, maintain, repair or replace as required, the Premises in a good standard of maintenance, repair and replacement as required, and in good and sanitary condition, all in accordance with the standards of First Class Life Sciences Projects, except for the Landlord Repair Obligations, whether or not such maintenance, repair, replacement or improvement is required in order to comply with Applicable Laws ("Tenant's Repair Obligations"), including without limitation, all electrical facilities and equipment, including lighting fixtures, lamps, fans and any exhaust equipment and systems, electrical motors and all other appliances and equipment of every kind and nature located in the Premises; all communications systems serving the Premises; all of Tenant's security systems in or about or serving the Premises; Tenant's signage; and interior demising walls and partitions (including painting and wall coverings), equipment, floors. Tenant shall additionally be responsible, at Tenant’s sole cost and expense, to furnish all expendables, including light bulbs, paper goods and soaps, used in the Premises.

Tenant Repair Obligations. Tenant shall, throughout the Term, at its sole cost and expense, maintain, repair, and replace as required, the Premises and Building and every part thereof in a good standard of maintenance, repair and replacement as required, and in good and sanitary condition, all in accordance with the standards of Comparable Buildings, except for Landlord Repair Obligations and except for any damage by casualty which is not Tenant’s obligation to repair pursuant to Article 11 below, whether or not such maintenance, repair or replacement is required in order to comply with Applicable Laws ("Tenant's Repair Obligations"), including, without limitation, the following: # glass, windows, window frames, window casements (including the repairing, resealing, cleaning and replacing of both interior and exterior windows) and skylights; # interior and exterior doors, door frames and door closers; # interior lighting (including, without limitation, light bulbs and ballasts); # the plumbing, sewer, drainage, electrical, fire protection, elevator, escalator, life safety and security systems and equipment, existing heating, ventilation and air-conditioning systems, and all other mechanical, electrical and communications systems and equipment (collectively, the "Building Systems"), including without limitation # any specialty or supplemental Building Systems installed by or for Tenant and # all electrical facilities and equipment, including lighting fixtures, lamps, fans and any exhaust equipment and systems, electrical motors and all other appliances and equipment of every kind and nature located in, upon or about the Premises; # all communications systems serving the Premises; # all of Tenant's security systems in or about or serving the Premises; # Tenant's signage; and # interior demising walls and partitions (including painting and wall coverings), equipment, floors, and any roll-up doors, ramps and dock equipment. Tenant’s Repair Obligations also includes the routine maintenance of the load bearing and exterior walls of the Building, including, without limitation, any painting, sealing, patching and waterproofing of such walls. Tenant shall additionally be responsible, at Tenant’s sole cost and expense, to furnish all expendables, including light bulbs, paper goods and soaps, used in the Premises, and, to the extent that Landlord notifies Tenant in writing of its intention to no longer arrange for such monitoring, cause the fire alarm systems serving the Premises to be monitored by a monitoring or protective services firm approved by Landlord in writing. Landlord hereby assigns to Tenant all warranties and guaranties, if any, in existence with respect to the items which are Tenant’s obligation to repair and maintain pursuant to this Section 7.1, which assignment shall be on a non-exclusive basis such that the warranties and guaranties may be enforced by Tenant and/or Landlord, and Landlord shall cooperate with Tenant in a commercially reasonable manner to assist in enforcing all such warranties and guaranties for the benefit of Tenant.

Tenant Repair Obligations. Tenant shall, throughout the Term, at its sole cost and expense, maintain, repair, replace and improve as required, the Premises and Building and every part thereof in a good standard of maintenance, repair and replacement as required, and in good and sanitary condition, all in accordance with the standards of First Class Life Sciences Projects, except for Landlord Repair Obligations, whether or not such maintenance, repair, replacement or improvement is required in order to comply with applicable Laws ("Tenant's Repair Obligations"), including the following: # glass, windows, window frames, window casements (including the repairing, resealing, cleaning and replacing of both interior and exterior windows) and skylights; # interior and exterior doors, door frames and door closers; # interior lighting (including light bulbs and ballasts); # the plumbing, sewer, drainage, electrical, fire protection, elevator, escalator, life safety and security systems and equipment, existing heating, ventilation and air-conditioning systems, and all other mechanical, electrical and communications systems and equipment (collectively, the "Building Systems"), including # any specialty or supplemental Building Systems installed by or for Tenant and # all electrical facilities and equipment, including lighting fixtures, lamps, fans and any exhaust equipment and systems, electrical motors and all other appliances and equipment of every kind and nature located in, upon or about the Premises; # all communications systems serving the Premises; # all of Tenant's security systems in or about or serving the Premises; # Tenant's signage; # interior demising walls and partitions (including painting and wall coverings), equipment, floors, and any roll-up doors, ramps and dock equipment; and # the non-structural portions of the roof of the Building, including the roof membrane and coverings. Tenant shall additionally be responsible, at Tenant’s sole cost and expense, to furnish all expendables, including light bulbs, paper goods and soaps, used in the Premises, and, to the extent that Landlord notifies Tenant in writing of its intention to no longer arrange for such monitoring, cause the fire alarm systems serving the Premises to be monitored by a monitoring or protective services firm approved by Landlord in writing.