Landlord Repair Obligations. Landlord shall be responsible for repairing, maintaining and replacing as required, in a good standard of maintenance, repair and replacement as required, and in a good and sanitary condition, all in accordance with the standards of Comparable Buildings, whether or not such maintenance, repair or replacement is required in order to comply with Applicable Laws, the exterior walls, foundation and roof (including roof membrane) of the Building and the structural portions of all floors of the Building (collectively, the "Building Structure"), and all underground utilities and for replacing, as required, the Building Systems, except to the extent that such repairs are required due to the negligence or willful misconduct of Tenant (the "Landlord Repair Obligation"); provided, however, that if such repairs or maintenance 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 commercially reasonable 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 Section 4.2.4 above. Landlord shall comply with the terms of Article 27 of this Lease in connection with any entry to the Premises necessary to complete Landlord Repair Obligations.

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,

Landlord Repair Obligations. Landlord shall be responsible for repairs to the exterior walls, foundation and roof of the Building, the structural portions of the floors of the Building, and for the maintenance of the load bearing and exterior walls of the Building, including any painting, sealing, patching and waterproofing of such walls (the "Landlord Repair Obligation"); provided, however, that if such repairs or maintenance are due to the negligence or willful misconduct of Tenant, Landlord shall nevertheless make such repairs or perform such maintenance at Tenant's expense, or, if covered by Landlord's insurance, Tenant shall only be obligated to pay any deductible in connection therewith.

Landlord Obligations. Landlord, in accordance with first-class standards of other similar buildings in the [[Address A:Address]] market area, shall: # at Landlord’s sole expense, without reimbursement from Tenant, Maintain the Building footings, foundations, structural steel columns and girders; and # as an Operating Expense, Maintain # the Building roof and exterior walls (including, without limitation, exterior façade painting and caulk repair); # the base Building life safety systems (including, but not limited to, fire sprinkler systems, fire pumps and fire alarm panels and devices); # the main utility lines to the point of connection into the Building (e.g., main electricity and water/sewer service to the Building); # the irrigation systems, storm water facilities and detention ponds; # the Exterior Areas (including, without limitation, exterior landscaping, asphalt/concrete, sidewalks, parking areas, loading areas, driveways and any fencing on the Property); and # all other portions of the Premises, including without limitation the Building Systems (including, without limitation, exterior lighting and supplemental life safety systems relating to Tenant’s use of the Premises, specialty sprinkler systems and fire suppression systems, the floor/concrete slab, subfloors and floor coverings, all interior and exterior doors and windows, all dock equipment (including dock doors, levelers, bumpers, dock shelters, ramps and dock lights), and the demarcation point or any other point of utility hook up or connection, in each case except as expressly set forth in Section 13.1 above as Tenant’s responsibility. In addition to the foregoing, Landlord, as Operating Expenses to the extent permitted under this Lease, shall be responsible for the following: maintaining the Service Contract; interior pest control; interior window cleaning; elevators; office/warehouse lighting (including all bulbs and ballasts); ceiling tiles; snow and ice removal; exterior pest control; exterior window cleaning; exterior stair systems; and sanitary lift stations. Notwithstanding the foregoing, Landlord shall not be required to make any repairs resulting from fire or other casualty or a Taking, except as provided in Sections 16 or 17 below. Landlord may change the shape and size of the Exterior Areas, including the addition of, elimination of or change to any improvements located in the Exterior Areas, so long as such change does not materially adversely affect Tenant’s ability to use the Premises for the Permitted Use. Tenant shall immediately notify Landlord in writing if Tenant becomes aware of # any areas of water intrusion or mold in or about the Premises, or # any condition that is Landlord’s responsibility to Maintain.

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 Repair Obligations. Landlord shall be responsible for repairs to and routine maintenance of the exterior walls, foundation and roof of the Building, the structural portions of the floors of the Building, except to the extent that 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.

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.

Repair by Landlord. Tenant will immediately notify Landlord of fire or other casualty in the Premises. If the Premises are damaged by fire or other casualty and unless this Lease is terminated as hereinafter provided, Landlord will proceed with reasonable diligence to repair the so-called “shell” of the Premises and any leasehold improvements originally installed by Landlord. Landlord’s obligation to repair is subject to # delays which may arise by reason of adjustment of loss under insurance policies, including, without limitation, Tenant’s policy for leasehold improvements and betterments described in Section 8.1 of this Lease, and # other delays beyond Landlord’s reasonable control. Landlord’s obligation to repair will be limited to the extent of insurance proceeds actually available to Landlord for repairs after the election by the holder of any mortgage against the Building to apply a portion or all of the proceeds against the debt owing to such holder. Until Landlord’s repairs to the Premises are completed, the Base Annual Rent and additional rent will abate in proportion to the part of the Premises, if any, that is rendered untenantable.

Landlord Repair Obligations. Notwithstanding the foregoing, Landlord shall be responsible for repairs and replacement as necessary to the exterior walls, exterior doors and windows and waterproofing of the Building envelope, foundation and roof (including roof membrane, gutters, flashings, and downspouts) of the Building, utility connections to the Building, the structural portions of the floors of the Building (the "Building Structure"), the base Building plumbing, sewer, drainage, electrical, fire protection, elevator, life safety, heating, ventilation and air-conditioning systems (the "Building Systems" and together with the Building Structure, the "Base Building") of the Building, and the Common Areas, except to the extent that such repairs are required due to the negligence or willful misconduct of Tenant (collectively, 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. Subject to the terms of Article 27, below, Landlord may, but shall not be required to, enter the Premises at all reasonable times and upon reasonable prior notice to make such repairs, alterations, improvements or additions to the Premises or to the Project or to any equipment located in the Project as Landlord shall desire or

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.