Definition of Premises and Rentable Area of Premises. Commencing on the Expansion Premises Commencement Date, the defined terms “Premises” and “Rentable Area of Premises” on Page 1 of the Lease shall be deleted in their entirety and replaced with the following:

Premises. ​ does hereby lease to ​, and ​ takes and hires from ​, the premises and improvements constituting the Expansion Space, as depicted on [Exhibit A] attached hereto and made a part hereof, together with all easements, appurtenances, rights and privileges now or hereafter belonging or appurtenant thereto. Upon execution and delivery of this Third Addendum and ​'s delivery of the Expansion Space in two phases as set forth herein, the leased Premises (as that term is used in the Lease) shall contain 90,435 rentable square feet of Floor Area.

Premises. For and in consideration of the rents hereinafter reserved by Landlord and the covenants, terms and agreements hereinafter contained on the part of Tenant, its legal representatives, successors and assigns to be paid, kept and performed, Landlord does hereby demise, lease, rent and let to Tenant and Tenant does hereby take and hire the Premises from Landlord upon and subject to the terms and conditions hereinafter contained. The term “Premises” refers to all the lots described above. The term “Particular Parking Lot” refers to, respectively, each of the following parking lots/areas: # Lots ​ and ​ (Park Row East), # Lots ​ and ​ (Park Row West), and # above-described portion of Lot 20 (Steeple Street).

Premises. Landlord hereby leases to Tenant and Tenant hereby leases from Landlord, subject to the following terms and conditions, the Premises located in the Project and described in the Basic Lease Information and shown on the attached [Exhibit A]. Landlord reserves the right to make such changes, additions and/or deletions to the Project and/or the common areas and parking or other facilities thereof as it shall determine from time to time. Tenant acknowledges that neither Landlord (nor any employee or agent of Landlord) has made any representation or warranty with respect to the suitability or use of the Premises or Project for Tenant’s intended Permitted Use or operations. Landlord shall have no liability to Tenant whatsoever in the event Tenant cannot conduct its Permitted Use and/or intended operations in the Premises and in addition to any other requirements set forth in the Lease, Tenant shall be solely responsible for any and all costs that relate or pertain to alterations necessary or appropriate to make the Premises comply with any codes, regulations, laws or ordinances for such Permitted Use or operations. In addition, Tenant shall provide Landlord with copies of any and all licenses or permits of any kind necessary for it to conduct the Permitted Use at the Premises no later than fifteen (15) days after receipt of the same and upon each subsequent renewal.

Premises. In accordance with [Section 2.2] of the Lease, Landlord has informed Tenant that the actual rentable square footage of the Premises is and shall be 112,298 rentable square feet. Accordingly, Base Rent as set forth in the Lease is hereby deleted and shall be replaced with the following:

Definition. A Stock Award is a grant of shares of Stock or of a right to receive shares of Stock (or their cash equivalent or a combination of both) in the future. The grant of a right to receive shares of Stock (or their cash equivalent or a combination of both) in the future may be done in such form as the Committee determines, including, without limitation, performance shares or restricted stock units.

Definition. “Confidential Information” means, with respect to each Party, all Licensed Know-How or other information, including proprietary information and materials (whether or not patentable) regarding or embodying such Party’s technology, products, business information or objectives, that is communicated by or on behalf of the Disclosing Party to the Receiving Party or its permitted recipients, on or after the Effective Date, but only to the extent EAST\200870719.16

Definition. “Data and Documentation”, for purposes of this Contract, means the Deliverable Items consisting of data and documentation to be provided by the Contractor to Customer in accordance with ​, Statement of Work.

Definition. A “Reorganization Event” shall mean: # any merger or consolidation of the Company with or into another entity as a result of which all of the Common Stock of the Company is converted into or exchanged for the right to receive cash, securities or other property or is cancelled, # any transfer or disposition of all of the Common Stock of the Company for cash, securities or other property pursuant to a share exchange or other transaction or # any liquidation or dissolution of the Company.

Surrender of Premises. No act or thing done by Landlord or any agent or employee of Landlord during the Lease Term shall be deemed to constitute an acceptance by Landlord of a surrender of the Premises unless such intent is specifically acknowledged in writing by Landlord. The delivery of keys to the Premises to Landlord or any agent or employee of Landlord shall not constitute a surrender of the Premises or effect a termination of this Lease, whether or not the keys are thereafter retained by Landlord, and notwithstanding such delivery Tenant shall be entitled to the return of such keys at any reasonable time upon request until this Lease shall have been properly terminated. The voluntary or other surrender of this Lease by Tenant, whether accepted by Landlord or not, or a mutual termination hereof, shall not work a merger, and at the option of Landlord shall operate as an assignment to Landlord of all subleases or subtenancies affecting the Premises or terminate any or all such sublessees or subtenancies.

Lease of Premises. Upon and subject to all of the terms and conditions hereof, Landlord hereby leases the Premises to Tenant and Tenant hereby leases the Premises from Landlord. The portions of the Project which are for the non-exclusive use of tenants of the Project are collectively referred to herein as the “Common Areas.” Landlord reserves the right to modify Common Areas, provided that such modifications do not materially adversely affect Tenant’s access to (other than on a temporary basis) or use of the Premises for the Permitted Use or Tenant’s parking rights hereunder (other than on a temporary basis). From and after the Commencement Date through the expiration of the Term, Tenant shall have access to the Building, the Premises and the parking areas serving the Project 24 hours a day, 7 days a week, except in the case of emergencies, as the result of Legal Requirements, the performance by Landlord of any installation, maintenance or repairs, or any other temporary interruptions, and otherwise subject to the terms of this Lease.

Surrender of Premises. No agreement to accept a surrender of the Premises shall be valid unless it is in writing and signed by Landlord. At the expiration or earlier termination of this Lease, Tenant shall deliver to Landlord all keys to the Premises, and Tenant shall deliver to Landlord the Premises in the same condition as existed on the date Tenant took possession under any lease or with any landlord thereof, ordinary wear and tear excepted. In addition, prior to the expiration of the Term or any sooner termination thereof, # Tenant shall remove such Alterations as Landlord shall request (even if installed with Landlord’s consent) and shall restore the portion of the Premises affected by such Alterations and such removal to its condition existing immediately prior to the making of such Alterations, # Tenant shall remove from the Premises all unattached trade fixtures, furniture, equipment and personal property located in the Premises, including, without limitation, phone equipment, wiring, cabling and all garbage, waste and debris, and # Tenant shall repair all damage to the Premises or the Project caused by any such removal including, without limitation, full restoration of all holes and gaps resulting from any such removal and repainting required thereby. All personal property and fixtures of Tenant not so removed shall, to the extent permitted under applicable Regulations, be deemed to have been abandoned by Tenant and may be appropriated, sold, stored, destroyed, or otherwise disposed of by Landlord without notice to Tenant and without any obligation to account for such items.

Access to Premises. From time to time as requested by Administrative Agent, at the cost and expense of Borrowers, # Administrative Agent or its designee shall have complete access to all of each Borrower’s and Guarantor’s premises during normal business hours and after notice to Lead Borrower, or at any time and without notice to Lead Borrower if an Event of Default exists or has occurred and is continuing, for the purposes of inspecting, verifying and auditing the Collateral and all of each Borrower’s and Guarantor’s books and records, including the Records (and at any time an Event of Default exists or has occurred and is continuing, a representative of one Lender may accompany Administrative Agent or its designee), and # each Borrower and Guarantor shall promptly furnish to Administrative Agent such copies of such books and records or extracts therefrom as Administrative Agent may request, and Administrative Agent or any Lender or Administrative Agent’s designee may use during normal business hours such of any Borrower’s and Guarantor’s personnel, equipment, supplies and premises as may be reasonably necessary for the foregoing and if an Event of Default exists or has occurred and is continuing for the collection of Receivables and realization of other Collateral. Administrative Agent shall not conduct more than # one (1) field examination with respect to the Collateral in any twelve (12) month period at the expense of Borrowers so long as Excess Availability shall be greater than or equal to the amount equal to twenty (20%) percent of the Total Borrowing Base, and # two (2) field examinations with respect to the Collateral in

Description of Premises. Effective as of the Expansion Date, [Exhibit B] attached to the Lease is deleted in its entirety and is replaced with the new [Exhibit B] attached to this Amendment.

Surrender of Premises. Tenant shall complete any Clean-up prior to surrender of the Premises upon the expiration or earlier termination of this Lease. Tenant shall obtain and deliver to Landlord a letter or other written determination from the overseeing governmental authority confirming that the Clean-up has been completed in accordance with all requirements of such governmental authority and that no further response action of any kind is required for the unrestricted use of the Premises (“ XE "Closure Letter" Closure Letter”). Upon the expiration or earlier termination of this Lease, Tenant shall also be obligated to close all permits obtained in connection with Hazardous Materials in accordance with Applicable Laws.

Condition of Premises. Tenant represents that the Premises, the sidewalks and structures adjoining the same, and any subsurface conditions thereof, and the present uses and non-uses thereof, have been examined by Tenant, and Tenant agrees that it will accept the same in the condition or state in which they, or any of them, now are, without representation or warranty, express or implied in fact or by law, by Landlord, and without recourse to Landlord as to the nature, condition or usability thereof, or the use or uses to which the Premises, or any part thereof, may be put.

Definition of “Disability”. For purposes of this Agreement, “Disability” shall mean Executive’s incapacity or inability to perform Executive’s duties and responsibilities as contemplated herein for one hundred twenty (120) days or more (cumulative or consecutive) within any rolling twelve (12) month period, because Executive’s physical or mental health has become so impaired as to make it impossible or impractical for Executive to perform the duties and responsibilities contemplated hereunder. Determination of Executive’s physical or mental health shall be determined by Company after consultation with a medical expert appointed by mutual agreement between Company and Executive who has examined Executive. Executive hereby consents to such examination and consultation regarding Executive’s health and ability to perform as aforesaid.

Definition of “Cause”. As used herein, “Cause” shall include: # Executive’s willful engagement in dishonesty, illegal conduct or gross misconduct, which is, in each case, materially injurious to the Company or any affiliate; # Executive’s significant insubordination; # Executive’s substantial malfeasance or nonfeasance of duty; # Executive’s repeated failure, inability or refusal to perform his duties hereunder in a manner that is materially injurious to the Company or any affiliate (other than by reason of Executive’s Disability); # Executive’s unauthorized disclosure of confidential information; # Executive’s embezzlement, misappropriation or fraud, whether or not related Executive’s employment with the Company; or # Executive’s breach of a material provision of any employment, non-disclosure, invention assignment, non-competition, or similar agreement between Executive and Company; provided that “Cause” shall not be deemed to have occurred pursuant to [[subsections (ii), (iii) or (iv)])])]])])] hereof unless Executive has first received written notice specifying in reasonable detail the particulars of such grounds and that Company intends to terminate Executive’s employment hereunder for such grounds, and if such grounds are reasonably capable of being cured within thirty (30) days, Executive has failed to cure such grounds within a period of thirty (30) days from the date of such notice (the “Cure Period”). During any such Cure Period, and in connection with Executive’s ability to cure a for Cause termination as specifically set forth herein, Executive shall have an opportunity to make a presentation to the Company’s Board of Directors in response to the asserted grounds for Cause termination. “Cause” is not limited to events which have occurred prior to the termination of Executive’s service to Company, nor is it necessary that Company’s finding of “Cause” occur prior to such termination. If Company determines, subsequent to Executive’s termination of service but only after the notice, related process and Cure Period described above have been exhausted (if the applicable “Cause” sub-section is invoked), that either prior or subsequent to Executive’s termination, Executive engaged in conduct which would constitute “Cause,” then Executive shall be deemed to have been terminated for “Cause” and he shall have no right to any benefit or compensation under this Agreement, including, without limitation, any payments or benefits under [Section 4(c)] or [Section 4(d)] hereof (as applicable).

Definition of “Knowledge.” For purposes of the Loan Documents, whenever a representation or warranty is made to Co-Borrower’s knowledge or awareness, to the “best of” Co-Borrower’s knowledge, or with a similar qualification, knowledge or awareness means the actual knowledge, after reasonable investigation, of any Responsible Officer.