Condition of the Building and Premises Upon Surrender. In addition to the above requirements of this Article 15, upon the expiration of the Lease Term, or upon any earlier termination of this Lease, Tenant shall, surrender the Premises and Building with Tenant having complied with all of Tenant’s obligations under this Lease, including those relating to improvement, repair, maintenance, compliance with law, testing and other related obligations of Tenant set forth in Article 7 of this Lease. In the event that the Building and Premises shall be surrendered in a condition which does not comply with the terms of this Section 15.4, because Tenant failed to comply with its obligations set forth in Lease, then following thirty (30) days' notice to Tenant, during which thirty (30) day period Tenant shall have the right to cure such noncompliance, Landlord shall be entitled to expend all reasonable costs in order to cause the same to comply with the required condition upon surrender and Tenant shall immediately reimburse Landlord for all such costs upon notice.

The Premises. ​ hereby leases to ​ and ​ hereby leases from ​ the premises set forth in Section 2.2 of the Summary (the “Premises”). The outline of the Premises, as contemplated to be constructed on the date hereof, is set forth in Exhibit A attached hereto. The parties hereto agree that the lease of the Premises is upon and subject to the terms, covenants and conditions herein set forth, and ​ covenants as a material part of the consideration for this Lease to keep and perform each and all of such terms, covenants and conditions by it to be kept and performed and that this Lease is made upon the condition of such performance. The parties hereto hereby acknowledge that the purpose of Exhibit A is to show the approximate location of the Premises and the “Building,” as that term is defined in Section 1.1.2, below, only, and such Exhibit is not meant to constitute an agreement, representation or warranty as to the construction of the Premises, the precise area thereof or the specific location of the “Common Areas,” as that term is defined in Section 1.1.3, below, or the elements thereof or of the accessways to the Premises or the “Project,” as that term is defined in Section 1.1.2, below. Except as specifically set forth in this Lease and in the ​ Work Letter (inclusive of [Schedule 1] attached thereto), ​ shall accept the Premises in their existing, “as is” condition, and ​ shall not be obligated to provide or pay for any improvement work or services related to the initial improvement of the Premises. ​ also acknowledges that neither ​ nor any agent of ​ has made any representation or warranty regarding the condition of the Premises, the Building or the Project or with respect to the suitability of any of the foregoing for the conduct of ​’s business, except as specifically set forth in this Lease and the ​ Work Letter. Subject to ​’s ongoing maintenance and repair obligations as set forth herein and completion of any “Punch List Items,” as that term is defined in the ​ Work Letter, pursuant to the ​ Work Letter, the commencement of business operations from the Premises by ​ shall conclusively establish that the portion of the Premises and the Building were at such time in good and sanitary order, condition and repair.

Additional Premises. Effective as of the Additional Premises Commencement Date (as defined below), and continuing to the Expiration Date, the space located on the fourteenth (14th) floor of the Building and shown outlined on the attached Exhibit A (the “Additional Premises”) shall be added to the premises covered by the Lease. Commencing on the Additional Premises Commencement Date, all references in the Lease and in this Amendment to the “Demised Premises” or otherwise to the premises demised thereunder shall be deemed to include the Additional Premises, and all terms, covenants and conditions of the Lease applicable to the Existing Premises shall apply to the Additional Premises, except as expressly set forth in this Amendment. Landlord and Tenant hereby stipulate for all purposes of the Lease that the Additional Premises contains 9,117 rentable square feet.

Existing Premises. Landlord and Tenant hereby agree that pursuant to the Lease, Landlord currently leases to Tenant and Tenant currently leases from Landlord that certain office space in the Existing Building containing 33,676 rentable square feet located on the first (1st) and second (2nd) floors of the Existing Building as described in Section 1 of the Second Amendment (the "Existing Premises").

Burdensome Condition. No Required Regulatory Approval, Mitchell Plant Approval, Additional Regulatory Filing and Consent, amendment of the NSR Consent Decree contemplated by [Section 4.13] shall, individually or in the aggregate, impose, be conditioned upon or contain terms, conditions, liabilities, obligations, commitments or sanctions resulting in, or otherwise create or have created, any Burdensome Condition.

Condition Precedent. Notwithstanding anything to the contrary contained in this First Amendment, Tenant and Landlord acknowledge and agree that the effectiveness of this First Amendment shall be subject to the following condition precedent (“Condition Precedent”) having been satisfied: Landlord and Omniox shall have entered into a lease amendment to the Omniox Lease on or before August 14, 2015, pursuant to which Omniox agrees to surrender the Expansion Premises and lease an alternate premises in the Building from Landlord (“Substitute Premises”), which lease amendment shall be on terms and conditions acceptable to Landlord, in Landlord’s sole and absolute discretion. (For the avoidance of any doubt, the Substitute Premises referred to in the immediately preceding sentence is the same “Omniox Premises” referred to in Section 2 of the Lease (as amended pursuant to Section 9 above)). In the event that the Condition Precedent is not satisfied, Landlord shall have the right to terminate this First Amendment upon delivery of written notice to Tenant. Landlord shall have no liability whatsoever to Tenant relating to or arising from Landlord’s inability or failure to cause the Condition Precedent to be satisfied.

Environmental Condition. Except as set forth on [Schedule 4.13] and except with respect to any other matters that, individually or in the aggregate, could not reasonably be expected to have a Material Adverse Effect:

Performance Condition. Subject to the following sentence, the actual number of Shares subject to this Award that will vest will be determined based upon the achievement of Company Stock Price Target(s) during the Performance Period and the satisfaction of the applicable service-based vesting conditions, all in accordance with this Exhibit A. Except as set forth in [Section 4] of this Exhibit A, in no case can more than 3,100,000 Shares become Eligible Shares (as defined below) in any calendar year during the Initial Period (such limit, the “Share Limit”). For the avoidance of doubt, following the end of the Initial Period, no Share Limit shall apply.

Environmental Condition. Except as set forth on [Schedule 4.12], # to Borrowers’ knowledge, no Loan Party’s nor any of its Subsidiaries’ properties or assets has ever been used by a Loan Party, its Subsidiaries, or by previous owners or operators in the disposal of,

Condition Precedent. This Agreement shall be effective upon satisfaction of the following conditions precedent: