TENANT’S DEFAULT. The occurrence of any one or more of the following events shall constitute a default and breach of this Sublease by Tenant:

Tenant’s Default. The occurrence of any one or more of the following events set forth in this Section shall constitute a default and breach of this Lease by Tenant (each, an “Event of Default”):

Tenant’s Default. A default under this Lease by Tenant shall exist if any of the following events shall occur (a “Default”):

Tenant’s Default. Notwithstanding any provision to the contrary contained in the Lease or this Work Letter, upon the occurrence of a default on the part of Tenant under the Lease beyond any applicable notice and cure periods, the filing of a bankruptcy proceeding or upon a default by Tenant under this Work Letter prior to substantial completion of the Turnkey Improvements, then # in addition to all other rights and remedies granted to Landlord pursuant to the Lease, Landlord shall have the right to withhold payment of all or any portion of the Improvement Allowance and/or Landlord may cause any and all engineers, architects, contractors, and any other persons associated with the design or construction of the Turnkey Improvements to cease work thereon, and any delay in completion of the Turnkey Improvements shall be deemed a Tenant Delay; and # all other obligations of Landlord under the Lease and this Work Letter shall be abated until such time as such default is cured in accordance with the terms of the Lease, or this Work Letter, as applicable.

The following shall be deemed to be defaults hereunder:

Tenant’s Default. Notwithstanding any provision to the contrary contained in the Lease, if a default or breach by Tenant beyond applicable notice and cure periods under the Lease (including, without limitation, this Work Agreement) has occurred at any time on or before the Substantial Completion of the Suites A, B and C-1 Alterations, then # in addition to all other rights and remedies granted to Landlord pursuant to the Lease, Landlord shall have the right to withhold payment of all or any portion of the Suites A, B and C-1 Allowances, and # all other obligations of Landlord under the terms of this Work Agreement shall be forgiven until such time as such default is cured pursuant to the terms of the Lease. For purposes of this [Section 4.3], “Substantial Completion” shall mean completion of construction of the Suites A, B and C-1 Alterations in the Premises pursuant to the Approved Working Drawings, with the exception of any punch list items.

Tenant’s Default. Notwithstanding any provision to the contrary contained in the Lease, if a Default by Tenant under the Lease (including, without limitation, this Workletter) has occurred and is continuing at any time on or before the substantial completion of the Tenant Improvements, then in addition to all other rights and remedies granted to Landlord pursuant to the Lease, Landlord shall have the right to withhold payment of all or any portion of the Tenant Improvement Allowance until such time as such Default is cured pursuant to the terms of the Lease.

Tenant’s Lease Default. Notwithstanding any provision to the contrary contained in the Lease, if an event of default by Tenant of this Work Letter (which, for purposes hereof, shall include, without limitation, the delivery by Tenant to Landlord of any oral or written notice that Tenant does not intend to occupy the Premises, and/or any other anticipatory breach of the Lease) or the Lease has occurred at any time on or before the substantial completion of the Premises, then # in addition to all other rights and remedies granted to Landlord pursuant to the Lease, at law and/or in equity, Landlord shall have the right to withhold payment of all or any portion of the Tenant Improvement Allowance and/or Landlord 37849147v5

Tenant’s Lease Default. Notwithstanding any provision to the contrary contained in the Lease, if an event of default (after all applicable notice and cure periods) by Tenant of this Tenant Work Letter or the Lease has occurred at any time on or before the substantial completion of the Premises, then # in addition to all other rights and remedies granted to Landlord pursuant to the Lease, at law and/or in equity, Landlord shall have the right to withhold payment of all or any portion of the Tenant Improvement Allowance and/or Landlord may cause Contractor to cease the construction of the Premises (in which case, Tenant shall be responsible for any delay in the substantial completion of the Premises caused by such work stoppage), and # all other obligations of Landlord under the terms of this Tenant Work Letter shall be forgiven until such time as such default is cured pursuant to the terms of the Lease (in which case, Tenant shall be responsible for any delay in the substantial completion of the Premises caused by such inaction by Landlord).

Tenant’s Lease Default. Notwithstanding any provision to the contrary contained in this Lease , if any default, after expiration of any applicable notice or cure period, as described in the Lease or this Tenant Work Letter has occurred at any time on or before the Substantial Completion of the Tenant Improvements, then # in addition to all other rights and remedies granted to Landlord pursuant to this Lease, Landlord shall have the right to withhold payment of all or any portion of the Tenant Improvement Allowance, and # all other obligations of Landlord under the terms of the Lease and this Tenant Work Letter shall be forgiven until such time as such default is cured or waived pursuant to the terms of this Lease (in which case, Tenant shall be responsible for any delay in the Substantial Completion of the Tenant Improvements caused by such inaction by Landlord).