Document:

Lease dated as of May 19, 2005, between 300 CRA LLC and the Registrant

 EXHIBIT 10.18 
 THIS LEASE is made this 18th day of May, 2005, between 300 CRA LLC, having an office at 2 Research Way, Princeton, NJ 08540, hereinafter called “Landlord”, and Pharmasset, Inc. with an office
located at 303A College Road East, Princeton, NJ 08540 hereinafter called “Tenant”. 
 LEASE OF PREMISES 
 Landlord hereby leases to Tenant and Tenant hereby hires from Landlord, subject to all of the terms and conditions hereinafter set forth, those certain
premises including use of all furniture, fixtures and equipment existing within the premises on the date hereof (the “Premises”) as set forth in Items 1 of the Basic Lease Provisions and as shown in the drawings attached hereto as Exhibit
A being located on the floor indicated in that certain office building (the “Building”) and on that certain lot (the “Parcel”) together hereinafter referred to as (the “Project”) being located at 2 Research Way,
Township of Plainsboro, County of Middlesex, State of New Jersey. Landlord shall deliver the Premises to Tenant on the Commencement Date (as defined below) with walls ready to paint, base floors, ceiling, lighting, standard electrical, plumbing,
sprinkler, life and safety and HVAC systems provided Tenant accepts and occupies the Premises in their as-is condition. 
 BASIC LEASE
PROVISIONS 
  

					
	1.	  	Location of Premises:	  	303A College Road East Princeton, NJ 08540
			
	2.	  	Rentable Area of Premises:	  	30,894 rentable square feet
			
	3.	  	Tenant’s Percentage Share:	  	50.35% (30,894/61,359)
			
	4.	  	Base Project Operating Expenses:	  	Those incurred in the calendar year 2005
			
	5.	  	Base Project Property Taxes:	  	Those incurred in the calendar year 2005
			
	6.	  	Basic Annual Rent:	  	$787,797.00 ($25.50 per rentable square foot) per annum + utilities.
			
	7.	  	Basic Monthly Rental Installments:	  	$65,649.75
			
	8.	  	Term:	  	Five (5) years
			
	9.	  	Commencement Date:	  	May 23, 2005 (five (5) days after the signing of this Lease by both parties)
			
	10.	  	Expiration Date:	  	May 22, 2010
			
	11.	  	Renewal Options:	  	Two (2) options of five (5) years each
			
	12.	  	Security Deposit:	  	$131,299.50
			
	13.	  	Parking Spaces:	  	160 (+10 Overnight Spaces, see Exhibit C #15)
			
	14.	  	Broker(s):	  	Lamington Properties, LLC and the Miller-Richmond Company
			
	15.	  	Permitted Use:	  	General Office, Research & Development, Laboratory, Vivarium and related ancillary uses provided such uses are permitted by Plainsboro Township and Princeton University.

  

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	14.	Addresses for Notices: 

  

			
	LANDLORD	  	TENANT
	 300 CRA LLC
	  	 Pharmasset, Inc.

	 2 Research Way
	  	 303A College Road East

	 Princeton, NJ 08540
	  	 Princeton, New Jersey 08540

		  	 Attn: Mark Meester

		
		  	 With a copy to:

		
		  	 Pharmasset, Inc.

		  	 303A College Road East

		  	 Princeton, New Jersey 08540

		  	 Attn: Legal Affairs

  

	15.	All payments under this Lease shall be payable to: 

 300 CRA
LLC 
 And mail to: 
 P.O. Box 6030

 Bellmawr, NJ 08099 
 or such
other payee or address as Landlord may designate. 
 IN WITNESS WHEREOF, the parties hereto have executed this Lease, consisting of
the foregoing and Paragraphs 1 through 50 which follow, together with Exhibits A through D, inclusive, incorporated herein by this reference as of the date first above written. 
  

			
	 300 CRA LLC

	 By: 300 CRA Manager LLC, its Member

		
	By:	 	/s/ John Zirinsky
		 	    John Zirinsky
		 	     President

  

			
	PHARMASSET, INC.
		
	By:	 	/s/ P. Schaefer Price
		 	    P. Schaefer Price
		 	    President and CEO

  

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 STATE OF NEW YORK : 
                                       
              :ss 
 COUNTY OF NEW YORK : 
 BE IT REMEMBERED, that on this 18th day of May , 2005, before me, the subscriber, a Notary Public of the State of New York , personally appeared
John Zirinsky, President of 300 CRA Manager LLC the Member of 300 CRA LLC, who, I am satisfied, is the person who has signed the within instrument, and he did acknowledge that he signed, sealed and delivered the same as such officer aforesaid; and
that the within instrument is the voluntary act and deed of said limited liability company. 
  

	
	
	/s/ Marc L. DeCecchis
	Marc L. DeCecchis
	 Notary Public, State of New York
 No. 4963923
 Qualified in Westchester County
 Commission Expires 3/19/2006

 STATE OF GEORGIA : 
                                       
              :ss 
 COUNTY OF DEKALB : 
 BE IT REMEMBERED, that on this 16th day of May, 2005, before me, the subscriber, a Notary Public of the State of Georgia, personally appeared P.
Schaefer Price, President and CEO of Pharmasset, Inc., who, I am satisfied, is the person who has signed the within instrument, and he did acknowledge that he signed, sealed and delivered the same as such officer aforesaid; and that the within
instrument is the voluntary act and deed of said entity made by virtue of authority from its Board of Directors or its Managers, or members, or several partners as appropriate. 
  

	
	
	/s/ Bryce A. Roberts
	Bryce A. Roberts
	 Notary Public, State of Georgia

  

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 TABLE OF CONTENTS 
  

					
	 	  	 PARAGRAPH
	  	PAGE
	1.	  	Commencement Date and Term	  	6
	2.	  	Basic Annual Rent	  	6
	3.	  	Additional Rent	  	7-11
	4.	  	Security Deposit	  	11
	5.	  	Repairs	  	12-13
	6.	  	Improvements and Alterations	  	13-14
	7.	  	Liens	  	14
	8.	  	Use of Premises	  	14-17
	9.	  	Utilities and Services	  	18-20
	10.	  	Rules and Regulations	  	20
	11.	  	Taxes on Tenant’s Property	  	21
	12.	  	Substituted Premises	  	21
	13.	  	Fire and Casualty	  	21
	14.	  	Eminent Domain	  	22
	15.	  	Assignment and Subletting	  	22-23
	16.	  	Landlord’s Access to Premises	  	24
	17.	  	Subordination; Attornment; Estoppel Certificates	  	24-25
	18.	  	Sale by Landlord	  	25
	19.	  	Indemnification of Landlord and Insurance	  	26-27
	20.	  	Waiver of Subrogation	  	27
	21.	  	No Waiver	  	28
	22.	  	Default	  	28-30
	23.	  	Right of Landlord to Cure Tenant’s Default	  	31
	24.	  	Notices	  	31
	25.	  	Insolvency or Bankruptcy	  	32
	26.	  	Surrender and Holdover	  	32
	27.	  	Condition of Premises	  	32
	28.	  	Quiet Possession	  	33
	29.	  	Limitation of Landlord’s Liability	  	33
	30.	  	Governing Law	  	34
	31.	  	Common Facilities	  	34
	32.	  	Successors and Assigns	  	34
	33.	  	Brokers	  	34
	34.	  	Name	  	35
	35.	  	Examination of Lease	  	35
	36.	  	Additional Charges	  	35
	37.	  	Marginal Headings	  	36
	38.	  	Prior Agreements; Severability	  	36
	39.	  	Parking	  	36

  

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	40.	  	Authority	  	36
	41.	  	No Light, Air or View Easement	  	37
	42.	  	Force Majeure	  	37
	43.	  	Attornment	  	37
	44.	  	Common Area Maintenance Cost	  	37
	45.	  	Notice Regarding Tenant’s Move In or Out	  	38
	46.	  	Tenant’s Financial Statement	  	38
	47.	  	First Option to Renew	  	39
	48.	  	Second Option to Renew	  	39
	49.	  	Right of First Refusal to Additional Space	  	40
	50.	  	Landlord’s Representations and Warranties	  	40

  

							
		  	Exhibit “A”	  	Floor Plan(s)	  	
		  	Exhibit “B1”	  	Landlord’s Work Letter	  	
		  	Exhibit “B2”	  	Building Standard Work Letter	  	
		  	Exhibit “C”	  	Rules and Regulations	  	
		  	Exhibit “D”	  	Janitorial Specifications	  	

  

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 COMMENCEMENT DATE AND TERM 
 PARAGRAPH 1 
 (A) The term of this Lease (including any exercised renewal
options, the “Term”) shall commence on the Commencement Date (defined as the date five (5) days after the signing of this Lease by both parties) and terminate on the Expiration Date (five (5) years after the Commencement Date)
unless otherwise extended or terminated pursuant to the terms hereof. 
 (B) Notwithstanding the Commencement Date, if for any reason
Landlord cannot deliver possession of the Premises to Tenant on said Commencement Date, then Landlord shall not be subject to any liability therefor; nor shall such failure affect the validity of this Lease or the obligations of Tenant hereunder,
provided that Tenant shall not be obligated to pay Rent (except a sum equal to the first Basic Monthly Rental Installment) until possession of the Premises is rendered to Tenant. If Landlord is unable to deliver the Premises in their current
“as-is” condition within five (5) days of the signing of this Lease by both parties, Tenant may elect to terminate this Lease. 
 BASIC ANNUAL RENT 
 PARAGRAPH 2 
 (A) Tenant agrees to pay as Basic Annual Rent for the Premises the initial sum shown in Item 6 of the Basic Lease Provisions. Except for months when this Lease is not in effect for the full calendar month
(partial month), the Basic Annual Rent shall be payable in U.S. currency in equal monthly installments, hereinafter sometimes referred to as “Basic Monthly Rental Installments”, in advance without notice, deduction, demand, offset, or
abatement. Basic Monthly Rental Installments shall be in the initial sum shown in Item 7 of the Basic Lease Provisions. Payment of Basic Annual Rent shall commence on the Commencement Date (except that the first month’s rent shall be due
upon the signing of this Lease), and continue on the first day of each calendar month thereafter except that Basic Rent for any partial month during the Term hereof shall be prorated in the proportion that the number of days this lease is in effect
during such partial month bears to the number of days in that calendar month, and shall be paid at the commencement of such partial month, and except further that the Basic Monthly Rental Installment for the first full calendar month of this Lease
for which an installment of Basic Annual Rent is due will be paid on execution hereof. 
 (B) In addition to the Basic Annual Rent stipulated
herein, Tenant covenants and agrees to pay Landlord without offset or deduction as additional Rent, hereinafter “Additional Rent”, all other sums and charges which are to be paid by Tenant pursuant to the terms of this Lease. Except as
otherwise provided in this Lease, Additional Rent shall be due and payable on the first day of the month following the date on which Tenant is given notice that Additional Rent is due, but in no event less than ten (10) business days after the
date Tenant receives notice that such Additional Rent is due. “Rent” means Basic Annual Rent and Additional Rent. 
  

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 ADDITIONAL RENT 
 PARAGRAPH 3 
 (A) For each calendar year during the Term of this Lease, Tenant agrees to pay as items
of Additional Rent for the Premises, Tenant’s “Percentage Share” (being the percentage indicated in Item 3 of Basic Lease Provisions) of all increases in “Project Operating Expenses” and “Project Property
Taxes” (as hereinafter defined) incurred by Landlord in the operation of the Building or Project over the Base Project Operating Expenses and Base Project Property Taxes as stipulated in Items 4 and 5 respectively in the Basic Lease Provisions.

 (B) The items of Additional Rent contemplated under subparagraph 3(A) shall be calculated in accordance with the following procedures:

  

	 	(i)	Each December during the Term hereof or as soon thereafter as practical, Landlord shall give Tenant written notice of Landlord’s estimate of any amounts payable under
subparagraph 3(A) above for the ensuing calendar year. On or before the first day of each month during the ensuing calendar year, Tenant shall pay Landlord without further notice 1/12 (One-twelfth) of such estimated amounts, provided that if such
notice is not given in December, Tenant shall continue to pay on the basis of the then applicable rental until the month after such notice is given. If at any time or times it appears to Landlord that the adjusted amounts payable under subparagraph
3(A) for the current calendar year will exceed its estimate, Landlord may, by written notice to Tenant, revise its estimate for such year. Subsequent payments by Tenant for such year shall be based upon such revised estimate.

  

	 	(ii)	Within ninety (90) days after the close of each calendar year or as soon thereafter as is practical, Landlord shall deliver to Tenant a statement of the annual adjustment of
those Additional Rent items made pursuant to subparagraph 3(A) for such calendar year. If on the basis of such statement Tenant owes an amount that is less than the estimated payments for such calendar year previously made by Tenant, Landlord shall
refund or credit such excess to Tenant within thirty (30) days after delivery of the statement. If on the basis of such statement Tenant owes an amount that is more than the estimated payment for such calendar year previously made by Tenant,
Tenant shall pay the deficiency to Landlord within thirty (30) days after delivery of the statement. 

  

	 	(iii)	The Additional Rent due under the terms and conditions of this Paragraph 3 shall survive termination of this Lease, shall be payable by Tenant without any setoff or deduction, and
shall be computed by Landlord on a prorated basis for any period less than a full calendar year; provided, however, in no event shall Tenant be responsible for payment of any Additional Rent for which Tenant is billed more than one hundred eighty
(180) days following the end of any calendar year or the Term. 

  

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	 	(iv)	Anything to the contrary contained in this Paragraph 3 notwithstanding, if the average occupancy of the Building is less than ninety-five (95%) percent during the Base Year
hereinafter defined, then Landlord shall make a determination (“Landlord’s Determination”) which shall be used equally among all tenants of the Building) of what the Project Operating Expenses for such year would have been if during
the entire year the average tenant occupancy of the Building were ninety-five (95%) percent. Landlord’s Determination shall be binding and conclusive upon Tenant and shall for all purposes of this Lease be deemed to be the Project
Operating Expenses for the Base Year. Landlord shall notify Tenant of Landlord’s Determination within ninety (90) days following the last day of the Base Year. Thereafter, if for any subsequent calendar year beginning after the
Commencement Date the average tenant occupancy of the Building is below ninety-five (95%) percent, the Project Operating Expenses for any such year shall be adjusted by Landlord to the amount that such Project Operating Expenses would have been
if the average tenant occupancy during that year had been ninety-five (95%) percent. The term “Base Year” means the twelve (12) month period during which Base Project Operating expenses are calculated. 

(C) Definitions: 
  

	 	(i)	The term “Project Operating Expenses” as used herein shall (except as noted in Paragraph 3(C)(iii), include all costs of operation and maintenance of the Project for each
calendar year as determined by generally accepted accounting principles consistently applied. Project Operating Expenses shall, by way of illustration but not limitation, include water and sewer charges, insurance premiums, license, permit, and
inspection fees, fuel, heat, light, power (except for electricity charged directly to the Premises and other rental space on the Project; steam, janitorial and security services, labor, salaries for owners’ on-site personnel, air conditioning,
landscaping maintenance and repair of the Building and driveways, parking structures and surface parking areas, ice and snow removal, supplies, materials, equipment, tools, property management fees, office costs, and the cost incurred in contesting
the validity of Project Property Taxes. Project Operating Expenses shall also include but not be limited to the cost of any capital improvements made to the Building by Landlord that reduce Project Operating Expenses or that are required under
any governmental law or regulation not previously applicable to the Building or not in effect at the time it was constructed. Such capital cost shall be amortized over such reasonable periods as Landlord shall determine with a return on capital
at the then current prime interest rate of the largest national bank in New York City or at such higher rate as may have been paid by Landlord on the funds borrowed for the purpose of purchasing such capital improvements. In no event shall
Project Operating Expenses ever be less than Base Project Operating Expenses stipulated in Item 4 of Basic Lease Provisions. 

  

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	 	(ii)	The term “Project Property Taxes” as used herein shall include all real estate taxes or personal property taxes and other taxes, charges and assessments, unforeseen as
well as foreseen, which are levied with respect to the Project and any improvements, fixtures and equipment and other property of Landlord, real or personal, located in the Building or on the Project and used in connection with the operation of the
Project for each calendar year and shall include any tax, surcharge or assessment which shall be levied in addition to or in lieu of real estate or personal property taxes, other than taxes covered in Paragraph 11, and shall also include any rental,
excise, sales, transaction, privilege, or other tax or levy, however, denominated, imposed upon or measured by the rental reserved hereunder or on Landlord’s business of leasing the Premises and Project, excepting only net income taxes. In no
event shall Project Property Taxes ever be less than Base Project Property taxes stipulated in Item 5 of Basic Lease Provisions. 

  

	 	(iii)	 (Notwithstanding anything to the contrary, Project Operating Expenses shall not include: (a) leasing commissions, attorneys’ fees, costs and disbursements
and other expenses incurred in connection with leasing, renovating or improving space for tenants or prospective tenants of the Project; (b) costs and expenses incurred by Landlord in the discharge of its obligations pursuant to the Work Letter
attached hereto as Exhibit B-1; (c) costs (including permit, license and inspection fees) incurred in renovating or otherwise improving or decorating, painting or redecorating space for tenants or vacant space; (d) Landlord’s costs of
any services sold to tenants for which Landlord is entitled to be reimbursed by such tenants as an additional charge or rental over and above the base annual rent, energy costs and Project Operating Expenses payable under the lease with such tenant
or other occupant; (e) depreciation; (f) amortization on the Project and its equipment; (g) costs incurred due to violation by Landlord of any of the terms and conditions of this Lease or any other lease or agreement relating to the
Project; (h) interest on debt or principal/amortization payments on any mortgages or deeds of trust or rental payments on any ground lease of the Project including the land of which the Building is a part, or any other debt for borrowed money;
(i) all items and services for which Tenant reimburses Landlord outside of Project Operating Expenses by insurance proceeds or otherwise except for Tenant’s Percentage Share of Project Operating Expenses as set forth herein, or pays third
persons or which Landlord provides selectively to one or more tenants or occupants of the Project (other than Tenant) without reimbursement; (j) cost of tenant concessions incurred by Landlord in securing new tenants of the Project or retaining
existing tenants including advertising and promotional expenditures; (k) costs of repairs or replacements incurred by reason of fire, windstorm or other insured casualty or condemnation (except for actual out of pocket 

  

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expenses such as insurance deductibles); (l) repairs resulting from any defect in the original design or construction of the Project or the
Project’s systems, machinery or equipment; (m) the cost of installing, operating and maintaining any specialty service, such as an observatory, broadcasting facilities, luncheon club, daycare center; (n) general corporate overhead and
administrative expenses of Landlord (including salaries, fringe benefits and other compensation paid to partners, officers and executives of Landlord) not incurred in the operation of the Project; (o) the cost of any work or service performed
for any tenant of the Project to a materially greater extent or in a materially more favorable manner than that furnished generally to the tenants and other occupants (including Tenant) of the Project; and, without limiting the generality of the
foregoing, this exclusion shall be deemed to include the cost of HVAC provided in excess of that described in this Lease; (p) the cost of any work or service performed for any facility other than the Project; (q) the cost of capital
improvements and any additions, repairs, alterations, additional, changes, replacements and other items which under generally accepted accounting principles are not properly classified as an expense or which are made in order to prepare for a new
tenant’s occupancy; (r) insurance premiums and fees to the extent Landlord may be reimbursed therefore; (s) rental and other charges under any ground lease or other underlying lease; (t) any costs included in Operating Expenses
representing an amount paid to any person or entity related to Landlord which is in excess of the amount which would have been paid in the absence of such relationship; (u) equipment rentals and other related expenses incurred such as air
conditioning systems or other building equipment ordinarily considered to be of a capital nature; (v) any expense for repairs or maintenance which was covered by warranties and service contracts in existence on the Commencement Date;
(w) franchise, income, capital levy, capital stock, succession, transfer, gift, corporate, estate or inheritance taxes imposed upon Landlord; (x) legal and auditing fees which are for the benefit of Landlord such as collecting delinquent
rents, preparing tax returns and other financial statements, and audits other than those incurred in connection with the preparation of reports required; (y) the wages of any employee for services not related directly to the management,
maintenance, operation and repair of the Project; (z) charitable and political contributions; (aa) costs of removal, abatement or treatment of any toxic or hazardous substance in or under the Project or the land associated therewith; (ss)
overhead and profit increment paid to Landlord or to subsidiaries or affiliates of Landlord for services or materials in the Project to the extent the same exceeds the market costs of such services or materials rendered by comparable unaffiliated
third parties on a competitive basis; (cc) costs of purchasing paintings, sculptures or other art work for display at the Project; (dd) costs incurred in connection with the sale, financing, refinancing, mortgaging, selling or change of ownership of
Landlord, the Project or the land associated therewith; (ee) moving expense costs of tenants of the Project; (ff) management fees in excess of three 

  

 10 

	 	 
percent (4%) of the aggregate of all gross receipts from income or rentals derived from the Project; (gg) late charges, fines, penalties and interest
incurred by Landlord for its failure to pay timely any debt installment required to be paid by Landlord in connection with the Project (except to the extent a result of Tenant not paying timely Tenant’s Percentage Share of Project Operating
Expense pursuant to this Lease); (hh) bad debt loss, rent loss or reserves of any kind for repairs, maintenance or replacement; (ii) any cost or expense, fines, penalties or interest resulting from the negligence or willful misconduct of
Landlord or its employees, agents, officers or contractors; (jj) attorney’s fees and other legal expenses incurred in connection with negotiations or disputes of tenants or occupants of the Project; and (kk) any cost or expense, fines,
penalties or interest incurred as a result of violation by Landlord of any applicable law. 

 (D) Unless Tenant takes
written exception to any item in the statement referred to in subparagraph 3(B) (ii) within thirty (30) days after the furnishing of the statement, such statement shall be considered as final and accepted by Tenant. Any amount due Landlord
as shown on any such statement shall be paid by Tenant within thirty (30) days after it is furnished to Tenant. If Tenant shall dispute in writing any specific item, or items in the statement of Project Operating Expenses and Project Property
Taxes, and such dispute is not resolved between Landlord and Tenant within sixty (60) days after the date the statement was rendered, either party may, during the thirty (30) days next following the expiration of the sixty (60) days,
refer such disputed item or items to any independent certified public accountant mutually selected by Landlord and Tenant, for a determination. Pending the determination of any dispute with respect to the statement submitted by Landlord, Tenant
shall pay when due the sums shown as due on such statement. If it shall be determined that any portion of such sums were not properly chargeable to Tenant, then Landlord shall credit or refund the appropriate sum to Tenant. The costs for the
accountant’s review and determination will be borne by Landlord if it is determined that Landlord’s original calculation of both Project Property Taxes and Project Operating Expenses was in error by more than five (5%) percent,
otherwise such costs will be borne by Tenant. 
 (E) As one of the items of Additional Rent, payable monthly, Tenant shall also pay to
Landlord the full cost of Tenant’s consumption of electricity for the Premises (such electricity consumption is sub-metered by an existing sub-meter). 
 (F) The Basic Annual Rent plus Additional Rent are sometimes collectively referred to as “Rent”. 
 SECURITY DEPOSIT 
 PARAGRAPH 4 
 Tenant has paid or agrees to pay Landlord such sum(s) as are set forth in Item 10 of the Basic Lease Provisions as security for the performance of the terms hereof by Tenant. Unless required by law, Landlord
shall not be required to keep said Security Deposit separate from its general funds and 

  

 11 

 
Tenant shall not be entitled to receive interest thereon. In no instance shall the amount of such Security Deposit be considered a measure of liquidated
damages. If Tenant defaults with respect to any provision of this Lease, including but not limited to, the provisions relating to the payment of Rent or the surrender of the Premises in accordance with the terms hereof upon the termination of the
Lease, Landlord may, but shall not be required to use, apply or retain all or any part of this Security Deposit for the payment of any Rent or any other sum in Default, or for the payment of any other amount which Landlord may spend or become
obligated to spend by reason of Tenant’s Default or to compensate Landlord for any other loss or damage which Landlord may suffer by reason of Tenant’s Default including, without limitation, costs and attorneys’ fees incurred by
Landlord. If any portion of said deposit is so used or applied, Tenant shall, upon demand therefor, deposit cash with Landlord in an amount sufficient to restore the Security Deposit to its original amount and Tenant’s failure to do so shall
constitute a Default hereunder by Tenant. If Tenant shall fully and faithfully perform every provision of this Lease to be performed by it, the Security Deposit, or any balance thereof, shall be returned to Tenant (or at Landlord’s option, to
the permitted assignee of Tenant’s interest hereunder) within thirty (30) days following the expiration of the Lease Term and after Tenant has vacated and delivered possession of the Premises to Landlord in accordance with the provisions
of this Lease. In the event of bankruptcy or other debtor-creditor proceeding against Tenant, such Security Deposit shall be deemed to have been applied first to the payment of Rent and other charges due Landlord for all periods prior to filing of
such proceedings. 
 REPAIRS 
 PARAGRAPH 5 
 (A) Subject to Paragraph 5(B), Landlord shall cause all necessary repairs to be made to the exterior doors,
windows, corridors and other common areas of the Building and the Project, and all floors, structural elements, roofs and building systems (including plumbing and electrical systems) in the office portion of the Premises, it being understood that
Landlord shall also be responsible to repair the structural elements of the Building for the lab portion of the Premises including the floors, roof and base Building systems; and Landlord shall cause the Building and the Project to be kept in a
safe, clean and neat condition and shall use reasonable efforts to keep all equipment used in common with other tenants (such as elevators, plumbing, heating, air conditioning and similar equipment) in good condition and repair. Although Landlord
will make direct payments for these repairs, Tenant’s obligation to pay its share of increase in Project Operating Expenses (to the extent set forth in Paragraph 3) which will supply funds to Landlord to pay for certain of these repairs will
not be diminished. Tenant shall be responsible for and pay for the repair and maintenance of all HVAC equipment servicing the laboratory portion of the Premises. Except as provided in Paragraphs 13 & 14 hereof, there shall be no
abatement of Rent and no liability of Landlord by reason of any injury to or interference with Tenant’s business arising from the making of any repairs, alterations or improvements in or to any portion of the Building or the Project or in or to
fixtures, appurtenances and equipment therein or thereon. 
 (B) While Tenant may repair its own non-Building Standard items such as its own
laboratory equipment, Tenant agrees that all repairs to the Premises not required above to be made by 

  

 12 

 
Landlord and all decorating, remodeling, alteration and painting required by Tenant during the Term of this Lease, if approved by Landlord, shall be made by
Landlord at the sole cost and expense of Tenant. Tenant will pay for any repairs to the Premises, the Building or the Project made necessary by any negligence or willful acts or omissions of Tenant or its assignees, subtenants, employees or their
respective agents or other persons permitted in the Building or on the Project by Tenant, or any of them, and Tenant will maintain the Premises, and, upon termination of this Lease, will leave the Premises in a safe, clean, neat and sanitary
condition. Notwithstanding the foregoing, Tenant shall be permitted to decorate, remodel and paint the Premises without the necessity of obtaining Landlord’s consent if such decorating, remodeling or painting will not materially negatively
affect the structural elements or systems of the Building. 
 IMPROVEMENTS AND ALTERATIONS 
 PARAGRAPH 6 
 (A) Landlord’s sole
construction obligation under this Lease is as set forth in the Work Letter attached hereto as Exhibit B-1 and incorporated herein by reference. 
 (B) Landlord shall have the right at any time to change the arrangement and/or location of entrances or passageways, doors and doorways, and corridors, elevators, stairs, toilets, or other public parts of the Building or Project, and upon
giving Tenant reasonable notice thereof, to change the name, number or designation by which the Building or the Project is commonly known. 
 (C) The alterations, additions or improvements to or of the Premises or any part thereof referred to in this subparagraph (6)(C) do not include the initial tenant improvements. The initial improvements made to the Premises by either
Landlord or Tenant shall remain at the end of the Term of this Lease provided that the laboratories are fully operable and ready for use. In the event that the laboratories are not in a ready to use condition, then Tenant shall remove and demo the
entire laboratories and cap all utilities in compliance with all codes. Tenant shall not make or cause to be made any alterations, additions or improvements to or of the Premises or any part thereof, or attach any fixtures or equipment thereto,
without first obtaining Landlord’s prior written consent (Landlord agrees to use reasonable judgment in its consideration of Tenant’s request for such consent). Any such alterations, additions or improvements to the Premises consented to
by Landlord shall at Landlord’s option be made by Landlord for Tenant’s account and Tenant shall pay Landlord for the costs thereof (including reasonable charge for Landlord’s overhead) within ten (10) days after receipt of
Landlord’s statement. All such alterations, additions and improvements shall (without compensation to Tenant) at Landlord’s option become Landlord’s property (except movable furniture and trade fixtures) and at the end of the Term
hereof, shall remain on the Premises unless Landlord elects by notice to Tenant to have Tenant remove same, in which event Tenant shall promptly restore the Premises to their condition prior to the installation of (i) such alterations,
additions and improvements, and (ii) equipment of any nature, or leave the Premises in a condition that complies with all state and local codes. Further, Landlord may elect by notice to Tenant to have Tenant remove not only Tenant’s
alterations, additions and improvements, but also any items of Tenant’s equipment including but not limited to movable furniture, trade fixtures, office equipment and any cafeteria equipment. Any such equipment not 

  

 13 

 
removed from the Premises at the end of the Term hereof shall at the option of the Landlord become Landlord’s property without payment of any
consideration therefor. The removal of any such equipment and any alterations, additions and improvements which Landlord elects Tenant to remove will be accomplished by Tenant prior to the expiration of the Term of this Lease and if not done, Tenant
will be deemed a tenant at sufferance pursuant to Paragraph 26. If Tenant does not perform such removal, Landlord may remove, destroy, store or otherwise dispose of such alterations, additions, improvements and equipment, whether or not Landlord
takes title thereto. In addition, Tenant will pay (i) all Landlord’s costs of removing, disposing or destroying any such alterations, additions, improvements and equipment whether or not Landlord takes title thereto, that Tenant is
supposed to remove, which Tenant does not remove, and (ii) Landlord’s cost to restore the Premises to their condition prior to the installation of any alterations, additions, improvements and equipment of any nature referred to in
subdivision (i) of this sentence. Such costs will include Landlord’s fees and expenses in collecting such costs and interest on such costs at the rate of fourteen (14%) percent per annum. Tenant will pay to Landlord Landlord’s
costs of storage of any equipment which Tenant is supposed to remove pursuant to this paragraph that Tenant does not remove. Further, Landlord reserves and shall have right of access to the Premises at any time within ninety (90) days prior to
any projected termination of this Lease to inspect the Premises to determine alterations, additions, improvements and equipment Landlord desires Tenant to remove. This right of access is in addition to Landlord’s right of access set forth in
Paragraph 16 hereof. Notwithstanding anything to the contrary and except as set forth in Paragraph 6(E), Landlord, at Landlord’s sole expense, shall be responsible for the compliance of the Building and Premises with all requirements of an
regulations issued under the Americans With Disabilities Act of 1990, 42 U.S.C. §§12101-12213, or other applicable law, statute, ordinance, order, rule or regulation relating to access to the Property by disabled individuals (collectively,
the “Disability Acts”). Tenant shall comply with the Disability Acts solely with respect to any alterations to the Premises made by Tenant and any equipment installed within the Premises by Tenant. 
 LIENS 
 PARAGRAPH 7 

Tenant shall keep the Premises free from any liens arising out of any work performed, materials furnished, or obligations incurred by or for Tenant.
In the event that Tenant shall not, within ten (10) days following the imposition of any such lien, cause the same to be released of record by payment or posting of a proper bond, Landlord shall have, in addition to all other remedies provided
herein or by law, the right but not the obligation, to cause the same to be released by such means as it shall deem proper, including payment of or defense against the claim giving rise to such lien. All sums paid by Landlord and all expenses
incurred by it in connection therewith, shall create automatically an obligation of Tenant to pay an equivalent amount as Additional Rent, which Additional Rent shall be payable by Tenant on Landlord’s demand with interest at the maximum rate
per annum permitted by law until paid. For purposes of this Paragraph 7, “liens” shall include, but not be limited to, lien claims filed under the “Construction Lien Law”. 
  

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 USE OF PREMISES 
 PARAGRAPH 8 
 (A) Tenant shall use the Premises only as set forth in Item 15 of the Basic Lease
Provisions and shall not use or permit the Premises to be used for any other purpose without the prior written consent of Landlord. Tenant shall comply with all laws and covenants and restrictions of record affecting use of the Premises, and shall
not use or occupy the Premises in violation of law or of the certificate of occupancy issued for the Building, and shall immediately discontinue any use of the Premises which is declared by any governmental authority having jurisdiction to be a
violation of law or of said certificate of occupancy. Tenant shall comply with any direction of any governmental authority having jurisdiction which shall, by reason of the nature of Tenant’s use or occupancy of the Premises impose any duty
upon Tenant or Landlord with respect to the Premises or with respect to the use or occupancy thereof. Tenant shall not do or permit to be done anything which will invalidate or increase the cost of any fire, extended coverage or any other insurance
policy covering the Building, the Project and/or property located therein and shall comply with all rules, orders, regulations and requirements of the appropriate fire rating bureau or any other organization performing a similar function. Tenant
shall within thirty (30) days after written notice reimburse Landlord for the full amount of any additional premium charged for such policy by reason of Tenant’s failure to comply with the provisions of this paragraph. Such reimbursement
shall not be Landlord’s exclusive remedy. Tenant shall not in any way obstruct or interfere with the rights of other tenants or occupants of the Building or the Project or injure or annoy them, or use or allow the Premises to be used for any
improper, immoral, unlawful, or objectionable purpose, nor shall Tenant cause, maintain, or permit any nuisance in, on, or about the Premises. Tenant shall not commit or suffer to be committed any waste in or upon the Premises. 
 (B) Tenant may use, store and generate on the Premises such types of materials in such typical amounts as are reasonably and customarily used, stored or
generated in the Tenant’s industry provided that such use, storage or generation is in compliance with all applicable federal, state or local statutes, regulations and ordinances. In no event shall Tenant dispose of, or permit the disposal of
Hazardous Material on the Premises in any manner other than the manner permitted by applicable federal, state or local statutes, regulations and ordinances. 
 (C) Tenant shall notify Landlord promptly after Tenant has actual knowledge of: (i) any enforcement, cleanup or other regulatory action taken or threatened by any regulatory authority with respect to any
Hazardous Material on or from the Premises or the migration thereof from or to other property, and (ii) any release, discharge, spill, leak, disposal or transportation of any Hazardous Material on or from the Premises in violation of this
Paragraph, and any damage, loss or injury to persons, property or business resulting or claimed to have resulted therefrom. 
 (D) If any
Hazardous Material is, or has been, released, discharged or disposed of, or permitted to spill or leak, in violation of the foregoing provisions, Tenant immediately and properly shall clean up and remove the Hazardous Materials from the Premises,
the building and all other improvements now or thereafter located on the Premises and any other affected property and clean or replace any affected property (whether or not owned by Landlord) in compliance with applicable laws 

  

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and then prevailing industry practices and standards, at Tenant’s expense (without limiting Landlord’s other remedies therefor). 
 (E) “Hazardous Materials” shall include, but not be limited to: (i) any flammable, explosive, toxic, radioactive, biological, corrosive or
otherwise hazardous chemical, substance, liquid, gas, device, form of energy, material or waste or component thereof, (ii) petroleum-based products, diesel fuel, paints, solvents, lead, radioactive materials, cyanide, biohazards, infectious or
medical waste and “sharps”, printing inks, acids, DDT, pesticides, ammonia compounds, and any other items that now or subsequently are found to have an adverse effect on the environment or the health and safety of persons or animals or the
presence of which require investigation or remediation under any Law or governmental policy, and (iii) any item defined as a “hazardous substance”, “hazardous material”, “hazardous waste”, “regulated
substance” or “toxic substance” under the Comprehensive Environmental Response, Compensation and Liability Act of 1980, as amended, 42 U.S.C. 9601, et seq., Hazardous Materials Transportation Act, 49 U.S.C. 1801, et seq., Resource
Conservation and Recovery Act of 1976, 42 U.S.C. 6901 et seq., Clean Water Act, 33 U.S.C. 1251, et seq., Safe Drinking Water Act, 14 U.S.C. 300f, et seq., Toxic Substances Control Act, 15 U.S.C. 2601, et seq., Atomic Energy Act of 1954, 42 U.S.C.
2014 et seq., New Jersey Environmental Rights Act, N.J.S.A. 2A:35A-1 et seq.; the Spill Compensation and Control Act, N.J.S.A. 58:10-23.11 et seq.; the New Jersey Air Pollution Control Act, N.J.S.A. 26:2C-1 et seq.; the Resource Conservation and
Recovery Act, 42 U.S.C. 6901 et seq.; the Comprehensive Environmental Response, Compensation and Recovery Act, 42 U1S.C. 1251 et seq.; the New Jersey Water Pollution Control Act, N.J.S.A. 58:10A-1 et seq.; and the Hazardous Substance Discharge:
Reports and Notices Act, N.J.S.A. 13:1K-15 et seq., and any similar federal, state or local laws, and all regulations, guidelines, directives and other requirements thereunder, all as may be amended or supplemented from time to time. 
 (F) Tenant shall pay, prior to delinquency, any and all fees, taxes (including excise taxes), penalties and fines arising from or based on Tenant’s
activities involving Hazardous Material on or about the Premises or the buildings or other improvements on the Premises, and shall not allow such obligations to become a lien or charge against the Premises, the building and all other improvements
now or thereafter located on the Premises or against Landlord. 
 (G) Upon the expiration, or early termination of the Term of this Lease or
the permanent assignment of this Lease, or subletting of the Premises, or cessation or transferring of Tenant’s operations at the Premises, or upon any action or non-action of Landlord including a sale of the Building in which the Premises are
located, Tenant, if its operations are subject to the Environmental Clean-up Laws hereinafter defined, shall comply, at Tenant’s own expense, except as hereinafter stated, and with diligence, with the Industrial Site Recovery Act, 1993 N.J.
Law’s Chapter 139, the regulations promulgated thereunder and any successor legislation and regulations (collectively “Environmental Clean-up Laws”). Tenant, if its operations are subject to the Environmental Clean-up Laws shall, at
Tenant’s own expense, except as hereinafter stated, make prompt submissions to, provide all information to and comply with all requirements of the Industrial Site Evaluation Element (“ISEE”) or its successor of the New Jersey
Department of Environmental Protection or its successor (“NJDEP”) arising out of the expiration, termination, assignment, subletting or transferring of Tenant’s operation at the Premises or arising out of any action or non-action of
the Landlord including the sale of the Building in which the Premises are located, and Tenant will obtain from NJDEP either a) a Letter of Non-Applicability; b) Negative Declaration approval; c) No Further Action Letter; d) a Deminimus 

  

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Quantity Exemption; e) authorization letter; or f) final approval of clean-up, thirty (30) days prior to the expiration or earlier termination of this
Lease. If Landlord’s actions or non-actions including a sale of the Building in which the Premises are located necessitate compliance with Environmental Clean-up Laws, Landlord, at its expense, will make the submissions to NJDEP or any of its
elements in order to obtain a statement of non-applicability, authorization letter, No Further Action Letter, Deminimus Quantity Exemption or negative declaration, but Tenant whether or not it is subject to Environmental Clean-up Laws, will
cooperate with Landlord to aid in the making of Landlord’s submission by providing information and signing such documents as are necessary for Landlord to make its submission. Clean-up expenses or the making up of any clean-up plan, remedial
action work plan, or remediation agreement or sampling plan or the taking of any corrective action to comply with Environmental Clean-up Laws and expenses therefore, will be borne by the party whose actions or failure to act necessitated the
clean-up. 
 (H) Each party shall, within a reasonable time and receipt of same, furnish to the other party true and complete copies of all
documents, submissions, correspondence and oral or written reports, directives, correspondence and oral or written communications by ISEE to the recipient party. Each party shall also promptly furnish to the other party true and complete copies of
all sampling and test results and reports obtained and prepared from samples and tests taken at and around the Premises that is obtained by the party first obtaining the results and reports. 
 (I) Tenant shall immediately and diligently cause any and all Hazardous Materials it, its agents, employees, invitees or licensees released in, onto or
under or disposed from the Premises during the Term of the Lease to be removed in compliance with all applicable laws, rules, ordinances and regulations and all conditions resulting therefrom to be remediated in compliance with all applicable laws,
rules, ordinances and regulations and the Premises restored to their condition without said Hazardous Materials as quickly as possible. 
 (J) Tenant shall indemnify, defend and save harmless Landlord from all fines, suits, procedures, claims and actions of any kind arising out of or in any way connected with any release or discharge of Hazardous Materials at the Premises
which occur during the Term of the Lease as a result of the acts of Tenant, its invitees or licensees; and from all fines, suits, procedures, claims and actions of any kind arising out of Tenant’s failure to provide all information to NJDEP or
the Landlord as appropriate to make all submissions other than those Landlord is required to make as provided herein, and take all actions required by the NJDEP or any of its divisions. 
 (K) Landlord hereby agrees to defend, indemnify and hold Tenant harmless from and against any and all claims, lawsuits, liabilities, losses, damages and
expenses (including, but not limited to, reasonable attorneys’ fees arising by reason of any of the aforesaid or any action against the Landlord under this indemnity) arising directly or indirectly from, out of or by reason of (i) any
spills or discharges of toxic or hazardous waste or substances at the Premises or Project which occur prior to or during the Term of this Lease caused by Landlord, its employees, agents or invitees; or (ii) any pre-existing conditions including
underground tanks, which are the subject of federal, state or local environmental laws. 
  

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 (L) Tenant’s obligations and liabilities under this Paragraph shall continue so long as Landlord
remains responsible for any releases or discharges of Hazardous Materials at the Premises which occur as a result of the acts of Tenant, its invitees or licensees. Tenant’s failure to abide by the terms of this Paragraph shall be restrainable
by injunction. 
 UTILITIES AND SERVICES 
 PARAGRAPH 9 
 (A) Provided that Tenant is not in Default hereunder, Landlord agrees to furnish or
cause to be furnished to the Premises the following utilities and services, subject to the conditions and standards set forth below: 
  

	 	(i)	Tenant shall have twenty-four (24) hours per day, seven (7) days per week access to the Premises. 

  

	 	(ii)	Heating, air conditioning and ventilation systems are available for use by Tenant at the Premises. Consistent with subparagraph (E) of Paragraph 3, Tenant will pay to Landlord
the full cost of Tenant’s consumption of electric including that associated with those systems. Should the Tenant use the office portion of the Premises, at anytime that is not between 8 A.M. to 6 P.M., on those Mondays through Fridays that are
not legal holidays, Tenant will pay to Landlord on demand Fifty Dollars ($50.00) per hour for use of heating and air conditioning systems during those hours. This charge which is in addition to Tenant’s duty to pay for all consumption of
electricity in the Premises is Fifty Dollars ($50.00) per hour. That charge is subject to increase for subsequent increases in the cost of labor and materials in connection with Tenant’s use of heating and air conditioning systems for the
office portion of the Premises at times other than 8 A.M. to 6 P.M. on those Mondays through Fridays that are not legal holidays. 

  

	 	(iii)	Landlord shall furnish to the Premises at all times, subject to interruptions beyond Landlord’s control and subject to subparagraph (E), Paragraph 3 – Tenant’s
obligation to pay to Landlord the full cost of Tenant’s consumption of electricity - electric current in accordance with the Building Standard (as described in Exhibit B-2 of this Lease) office lighting and receptacle. At no time shall
Tenant’s use of electric current exceed the capacity of the feeders to the Building or the risers or wiring installation. Tenant shall not install or use or permit the installation or use of any mainframe computer equipment in the Premises
without the prior written consent of Landlord. Should Tenant request permission from Landlord to use additional equipment that requires excessive current, Landlord agrees to be reasonable in its consideration of consent to such request while such
request must be approved and certified as safe by a licensed engineer. 

  

 18 

	 	(iv)	Landlord shall furnish the building with water for (x) drinking and lavatory purposes only at no additional charge; and (y) for laboratory purposes at a reasonable charge.

  

	 	(v)	Landlord shall provide janitorial services to the office portion of the Premises, comparable to such services provided in other first class office buildings in the vicinity,
provided that the said other office buildings are used exclusively as offices, and provided further that the Premises are kept in good order by Tenant. Tenant shall pay to Landlord the cost of removal of any of Tenant’s refuse and rubbish
to the extent that the same exceeds the refuse and rubbish usually attendant upon the use of the Premises as offices.

  

	 	(vi)	Landlord shall replace, as necessary, the fluorescent tubes in the standard lighting fixtures installed by Landlord. Tenant agrees to reimburse Landlord upon demand for the
cost of such fluorescent tubes and ballast and the labor and overhead for their installation. Initial installation of fixtures will be warranteed for one year for lamps and ballast. 

 (B) In addition to electricity paid under subparagraph (E) Paragraph 3, Landlord may impose a reasonable charge for any other utilities and
services, except water for drinking and lavatory purposes, provided by Landlord by reason of any use of the Premises at any time. Separate meters for all utilities and services are installed in the Premises, and upon demand, Tenant shall
immediately pay Landlord for all charges with respect to consumption of such utilities (including electricity being paid pursuant to subparagraph E of Paragraph 3) or services so metered or provided (it being understood that the cost for water for
drinking and lavatory purposes is included in the Rent). 
  

	 	(i)	Intentionally Deleted. 

  

	 	(ii)	Intentionally Deleted. 

  

	 	(iii)	Landlord shall not be liable in any way to Tenant for any failure or defect in the supply or character of electric energy furnished to the Premises by reason of any requirement, act
or omission of the public utility serving the Building with electricity or for any other reason not attributable to Landlord. 

  

	 	(iv)	Tenant’s use of electric energy in the Premises shall not at any time exceed the capacity of any of the electrical conductors and equipment serving the Premises. In order
to ensure that such capacity is not exceeded and to avert possible adverse effect upon the Building’s electric service, Tenant shall not, without Landlord’s prior written consent in each instance (which shall not be unreasonably withheld),
connect any additional fixtures, appliances or equipment to the Building’s electric distribution system or make any alteration or addition to the electric system of the Premises existing on the Commencement Date. Should Landlord grant such
consent, all additional risers or other equipment required therefor shall be provided by Landlord and the cost thereof shall be paid by Tenant upon Landlord’s demand.

  

 19 

	 	(v)	If the public utility rate schedule for the supply of electric current to the Building shall be increased during the Term of this Lease, the Additional Rent payable pursuant to
Paragraph 3 hereof shall be equitably adjusted to reflect the resulting increase in Landlord’s cost of furnishing electric service to the Premises. It is the intention hereof that Landlord only recapture the charges payable by Tenant under
Paragraph 3 and under no circumstances shall Landlord earn any profit thereof. 

 (C) Tenant agrees to cooperate fully at all
times with Landlord and to abide by all reasonable regulations and requirements which Landlord may prescribe for the use of the above utilities and services. Any failure to pay any costs as described above shall constitute a breach of the
obligation to pay Rent under this Lease and shall entitle Landlord to rights herein granted for such breach. 
 (D) Landlord shall not be
liable for, and Tenant shall not be entitled to, any abatement or reduction of Rent by reason of Landlord’s failure to furnish any of the foregoing services, nor shall any such failure, stoppage or interruption of any such service be construed
either as an eviction of Tenant, or relieve Tenant from the obligation to perform any covenant or agreement. However, in the event of any failure, stoppage or interruption thereof, Landlord shall use reasonable diligence to have service resumed
promptly. 
 (E) It is understood and agreed that Landlord has the sole right to choose the provider or providers of all utilities and
services described or referred to in this Paragraph 9. 
 (F) Notwithstanding anything hereinafter to the contrary, Landlord reserves the
right from time to time to make reasonable modifications to the above provisions for utilities and services. 
 RULES AND REGULATIONS

 PARAGRAPH 10 
 Tenant agrees to abide by all rules and regulations of the Buildings and Project (“Rules and Regulations”) imposed by the Landlord as set forth in Exhibit C attached hereto, as the same may be changed from time to time upon
reasonable notice to Tenant (such Rules & Regulations shall be equally enforced among all Tenants). These Rules and Regulations are imposed for the cleanliness, good appearance, proper maintenance, good order and reasonable use of the
Premises and the Project, as may be necessary for the enjoyment of the Project by all tenants and their employees and invitees. Landlord shall not be liable for the failure of any tenant, its agents or employees to conform to the Rules and
Regulations. 
  

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 TAXES AND TENANT’S PROPERTY 
 PARAGRAPH 11 
 (A) Tenant shall be liable for and shall pay not later than ten
(10) days before delinquency, all taxes, levies and assessments levied against any personal property or trade fixtures placed by Tenant in or about the Premises. If any such taxes, levies and assessments on Tenant’s personal property or
trade fixtures are levied against Landlord or Landlord’s property or if the assessed value of the Building or the Project is increased by the inclusion therein of a value placed upon such personal property or trade fixtures of Tenant and if
Landlord pays the taxes, levies and assessments, Tenant shall, within thirty (30) days after demand, repay to Landlord the taxes, levies and assessments so levied against Landlord, or the proportion of such taxes, levies and assessments
resulting from such increase in the assessment. 
 (B) If Tenant improvements in the Premises, whether installed and/or paid for by Landlord
or Tenant and whether or not affixed to the real property so as to become as part thereof, are assessed for real property tax purposes at a valuation higher than the valuation at which Tenant improvements conforming to “Building Standard”
(as referred to in Exhibit B-2) are assessed, then the real property taxes and assessments levied against Landlord or the Project by reason of such excess, assessed valuation shall be deemed to be taxes levied against personal property of Tenant and
shall be governed by the provisions of subparagraph 11(A). If the records of the Tax Assessor are available and sufficiently detailed to serve as a basis for determining whether said Tenant improvements are assessed at a higher valuation than
Building Standard, such records shall be binding on both Landlord and Tenant; otherwise the actual cost of construction shall be the basis for such determination. 
 SUBSTITUTED PREMISES 
 PARAGRAPH 12 
 Intentionally Deleted. 
 FIRE OR CASUALTY

 PARAGRAPH 13 
 In
the event that the Project (regardless of whether the Premises or access thereto is affected) is so damaged or destroyed to the extent of more than one-third of its replacement cost, or to any substantial extent by a casualty not covered by
Landlord’s insurance, or during the last two (2) years of this Lease, Landlord, upon giving thirty (30) days’ notice to Tenant, may elect to terminate this Lease. If the damage or destruction is other than as provided above, then
Landlord shall commence within ninety (90) days after such damage or destruction to rebuild, repair or restore the Premises and access thereto to substantially the same condition as when the same were delivered to Tenant, excluding the
improvements owned by Tenant, and the Lease shall continue in full force and effect. 
  

 21 

 Landlord shall in no event be obligated to make any repairs or replacements of any items owned by Tenant.
If the Lease is not terminated but the Premises are rendered totally untenantable, Rent shall abate during the period of such untenantability. Tenant acknowledges (i) that Landlord shall not obtain insurance of any kind on Tenant’s
improvements and betterment to the Premises owned by Tenant or on Tenant’s furniture, fixtures, equipment and other personal property, (ii) that it is Tenant’s obligation to obtain such insurance at Tenant’s sole cost and
expense, and (iii) that Landlord not be obligated to repair any damage thereto or replace the same. 
 EMINENT DOMAIN 

PARAGRAPH 14 
 In case the whole of
the Premises, or such part thereof as shall substantially interfere with Tenant’s use and occupancy thereof, shall be taken by any lawful power or authority by exercise of the power of eminent domain, Tenant or Landlord may terminate this Lease
effective as of the date possession is required to be surrendered to said authority. In the event of any taking (in whole or part) of the Project whether or not the Premises or access thereto are affected thereby, Landlord shall have the right to
terminate this Lease. Except as provided herein, Tenant shall not, because of any taking, assert any claim against Landlord or the taking authority for any compensation because of such taking, and Landlord shall be entitled to receive the entire
amount of any award without deduction for any estate or interest of Tenant. In the event the amount of property or the type of estate taken shall not substantially interfere with Tenant’s use of the Premises, and Landlord does not terminate
this Lease, Landlord shall proceed to restore the Premises (to the extent permitted by the taking) to substantially their condition prior to such partial taking, and a proportionate allowance shall be made to Tenant for Rent corresponding to the
time during which, and to the part of the Premises of which, Tenant shall be so deprived on account of such taking and restoration. Provided same shall not diminish Landlord’s award in any way, nothing contained in this Paragraph 14 shall
prevent Tenant from seeking any award against the taking authority for the taking of personal property and fixtures owned by Tenant or for relocation expenses recoverable from the taking authority. In no event shall Landlord be required to expend
more for restoration than received from the taking authority for such taking. For the purposes of this paragraph, “taking” shall also include any conveyance in lieu of condemnation. 
 ASSIGNMENT AND SUBLETTING 
 PARAGRAPH 15 
 (A) Tenant shall not voluntarily or involuntarily assign, sublet, mortgage, or otherwise encumber all or any portion of its interest in this Lease or in
the Premises without obtaining the prior written consent of Landlord (which consent shall not be unreasonably withheld) and any such attempted subletting, mortgage or other encumbrance without such consent shall be null and void and of no effect.
Without limiting the instances in which the Landlord will refuse to give its consent, Landlord will withhold its consent where the Rent per month of the proposed sublease or assignment is 

  

 22 

 
(i) less than eighty (80%) of the Rent per square foot per month in effect for the remainder of the Term of this Lease, or (ii) where the proposed
sublessee is either another tenant of Landlord or a bonafide prospective tenant of Landlord. 
 (B) No assignment, subletting, mortgage or
other encumbrance of Tenant’s interest in this Lease shall relieve Tenant of its obligation to pay the Rent and to perform all of the other obligations to be performed by Tenant hereunder. The acceptance of Rent by Landlord from any other
person shall not be deemed to be a waiver by Landlord of any provision of this Lease or be a consent to any subletting, assignment, mortgage or other encumbrance. Consent to one sublease, assignment, mortgage or other encumbrance shall not be deemed
to constitute consent to any subsequent attempted subletting, assignment, mortgage or other encumbrance. 
 (C) If Tenant desires at any time
to assign this Lease or to sublet the Premises or any portion thereof, Tenant shall first notify Landlord of Tenant’s desire to do so and shall submit in writing to Landlord no less than thirty (30) days prior to such assignment or
subletting (i) the name of the proposed subtenant or assignee; (ii) the premises; (iii) the terms and provisions of the proposed sublease or assignment and a copy of the proposed sublease or assignment; and (iv) such financial
information as Landlord may reasonably request concerning the proposed subtenant or assignee. 
 (D) At any time within thirty (30) days
after Landlord’s receipt of the information specified in subparagraph (C) above, Landlord may by written notice to Tenant, elect (i) to take from Tenant a sublease of the Premises or the portion thereof proposed to be subleased by
Tenant, or to take an assignment of Tenant’s leasehold estate hereunder, or such part thereof as shall be specified in said notice, upon the same terms as those offered to the proposed subtenant or assignee, as the case may be; (ii) to
give Tenant written consent to the proposed assignment or sublease, provided that the Rent payable monthly by the Tenant to the Landlord under the terms of this Lease shall be increased by a sum equal to one-half (1/2) of all rental and other
considerations received by Tenant from its subtenant or assignee in excess of the Rent payable by Tenant under the terms of this Lease (less the cost of brokerage commissions and/or reasonable legal fees); or (iii) to terminate this Lease as to
the portion (including all) of the Premises proposed to be subleased or assigned with a proportionate abatement in the Rent payable hereunder. If Landlord does not exercise any option set forth in this subparagraph (D) within said thirty
(30) day period, Landlord shall be deemed to have refused to consent to the proposed assignment or sublease and this Lease shall remain in full force and effect. 
 (E) Except as provided in (i) immediately below, if Tenant is a corporation, an unincorporated association or partnership, the transfer, assignment or hypothecation of any stock or interest in such corporation,
association or partnership, in the aggregate in excess of forty-nine point nine (49.9%) percent, shall be deemed an assignment within the meaning and provisions of this Paragraph. 
  

	 	(i)	 Notwithstanding anything to the contrary, Tenant, if it is not then in material Default of this Lease may, without Landlord’s consent but with notice to
Landlord with such information as Landlord may reasonably request, sublet all or part of the Premises or assign this Lease to any parent, affiliate or wholly-owned subsidiary of Tenant; or assign this Lease to a corporation, or a subsidiary of a
corporation which succeeds to all 

  

 23 

	 	 
or substantially all of the assets and business of Tenant or into which Tenant is merged; provided, however, that Tenant shall at all times be and remain
primarily and jointly liable under this Lease despite any such subletting or assignment and provided further that any surviving entity in a merger or any assignee or subtenant has a net worth at least as much as Tenant had on the Commencement Date
and such successor, if an assignee or survivor in a merger, becomes liable on this Lease. 

 (F) Tenant shall reimburse
Landlord for Landlord’s reasonable costs and attorneys’ fees incurred in conjunction with the processing and documentation of any such requested assignment, subletting, transfer, change in ownership or hypothecation of this Lease or
Tenant’s interest in and to the Premises. 
 LANDLORD’S ACCESS TO PREMISES 
 PARAGRAPH 16 
 After having given
twenty-four (24) hour notice, except in an emergency, Landlord reserves and shall at any and all times have the right to enter the Premises to inspect the same, to supply janitorial service and any other service to be provided by Landlord to
Tenant hereunder, to show said Premises to prospective purchasers or tenants, to alter or repair the Premises or any portion of the Building or Project, all without being deemed guilty of an eviction of Tenant and without abatement of Rent, and may
for that purpose erect scaffolding and other necessary structures where reasonable required by the character of the work to be performed, provided that the business of Tenant shall be interfered with as little as is reasonably practicable. In an
effort to ensure minimum interference with Tenant’s business, whenever practicable, Tenant shall assign a representative to accompany Landlord’s representatives during any tour, work, etc. Tenant hereby waives any claim for damages or any
injury or inconvenience to or interference with Tenant’s business, any loss of occupancy or quiet enjoyment of the Premises, and any other loss occasioned thereby. For each of the aforesaid purposes, Landlord shall at all times have and retain
a key with which to unlock all of the doors in, upon and about the Premises, excluding Tenant’s vaults and safes, and Landlord shall have the right to use any and all means which Landlord may deem proper to open said doors in an emergency in
order to obtain entry to the Premises, and any entry to the Premises obtained by Landlord by any of said means shall not under any circumstances be construed or deemed to be a forcible or unlawful entry into, or a detainer of the Premises, or any
eviction of Tenant from the Premises or any portion thereof. No provision of this Lease shall be construed as obligating Landlord to perform any repairs, alterations or decoration except as otherwise expressly agreed to be performed by Landlord.

 SUBORDINATION, ATTORNMENT, ESTOPPEL CERTIFICATES 
 PARAGRAPH 17 
 (A) This Lease is junior, subject, and subordinate to all ground leases, mortgages,
deeds of trust, and other security instruments of any kind now covering the Project or any portion thereof. 

  

 24 

 
Landlord reserves the right to place liens or encumbrances on the Project or any part thereof or interest therein superior in lien and effect to this Lease.
This Lease, at the option of Landlord, shall be subject and subordinate to any and all such liens or encumbrances now or hereafter imposed by Landlord without the necessity of the execution and delivery of any further instruments on the part of
Tenant to effectuate such subordination. Notwithstanding the foregoing, Tenant covenants and agrees to execute and deliver upon request such further instruments evidencing such subordination of this Lease as may be requested by Landlord, as long as
this Lease is not modified by such instruments. Landlord acknowledges that Tenant will likely preface such instruments with the phrase “To the best of its knowledge.” 
 (B) Tenant shall at any time and from time to time upon not less than ten (10) days’ prior notice by Landlord, execute, acknowledge and deliver
to Landlord a statement in writing and in form and substance satisfactory to Landlord certifying that this Lease is unmodified and in full force and effect (or if there have been modifications, that the same is in full force and effect as modified
and stating the modifications), and the dates to which the Basic Annual Rent, Additional Rent and other charges have been paid in advance, if any, and stating whether or not to the best knowledge of Tenant, Landlord is in Default (as defined in
Paragraph 22 of this Lease) in the performance of any covenant, agreement or condition contained in this Lease and, if so, specifying each such Default of which Tenant may have knowledge. Any such statement delivered pursuant to this Paragraph may
be relied upon by any prospective purchaser of the fee of the Building or the Project or any mortgagee, ground lessor or other encumbrancer thereof or any assignee of any such person. 
 (C) Should any mortgage on the Parcel of which the Premises are a part be foreclosed, the Purchaser upon foreclosure of the lien of the mortgage
shall have the right following foreclosure to preserve this Lease and the rights of the Tenant or any other person or entity having an interest in the Premises, and the Tenant shall attorn to such Purchaser at foreclosure and pay and perform its
obligations under this Lease for the benefit of such Purchaser. 
 (D) Landlord shall request a Non-Disturbance Agreement from its present
mortgagee and ground lessor in favor of Tenant. 
 SALE BY LANDLORD 
 PARAGRAPH 18 
 In the event of a sale or conveyance by Landlord of the Project
or any part thereof, the same shall operate to release Landlord from any and all liability under this Lease after the date of such conveyance of title. If any security deposit has been made by Tenant, Landlord shall transfer such security deposit to
the purchaser, and thereupon Landlord shall be discharged from any further liability in reference thereto. 
  

 25 

 INDEMNIFICATION OF LANDLORD AND INSURANCE 
 PARAGRAPH 19 
 (A) Except for negligent acts or omissions of Landlord, its
agents, servants, employees or invitees, Tenant shall indemnify, hold Landlord harmless from and defend Landlord against any and all claims, loss, costs, damage, expense or liability, including without limitation reasonable attorneys’ fees, for
any injury or damages to any person or property whatsoever when such injury has been caused in part or in whole by any act, neglect, fault, or omission of Tenant, its agents, servants, employees or invitees. This indemnity shall not require any
payment by Landlord as condition precedent to recovery. In addition, if any person not a party to this Lease shall institute any other type of action against Tenant in which Landlord shall be made a party defendant, Tenant shall indemnify, hold
Landlord harmless from and defend Landlord from all liabilities and costs by reason thereof. 
 (B) Tenant hereby agrees to maintain in full
force and effect at all times during the Term of this Lease, at its own expense, for the protection of Tenant and Landlord as their interests may appear, policies of insurance issued by a responsible carrier or carriers acceptable to Landlord
licensed in New Jersey and also having a policyholder’s rating of not less than A- in the most current edition of Best’s Insurance Reports, which afford the following coverage: 
  

					
			
	 (i)
	  	 Worker’s Compensation
	  	 — Statutory

		  	 Employer’s Liability
	  	 — Not less than $250,000

	 (ii)
	  	 Comprehensive General
	  	 — Not less than $4,000,000

		  	 Liability Insurance
	  	 Combined Single Limit

		  	 including Blanket
	  	 for both bodily injury and

		  	 Contractual Liability
	  	 property damage

		  	 Broad Form Property Damage,
	  	
		  	 Personal Injury, Completed
	  	
		  	 Operations, Products Liability,
	  	
		  	 Fire Damage
	  	

 Landlord and its managing agent shall be named as an additional insured on all policies listed
under (ii) above, and (iv) below. 
  

	 	(iii)	All Risk Property Coverage in an amount sufficient to cover the full cost of replacement of all improvements and betterment to the Premises owned by Tenant and all of Tenant’s
fixtures and other personal property. 

  

	 	(iv)	Business Interruption Insurance (which includes Rent Insurance) in an amount equal to the Basic Annual Rent and Additional Rent for a period of at least twelve (12) months
commencing with the date of loss. 

 (C) Tenant shall deliver to Landlord at least thirty (30) days prior to the time such
insurance is first required to be carried by Tenant and thereafter at least thirty (30) days prior to expiration of each such policy, certificates of insurance evidencing the above coverage with limits not less than those specified above. Such
policy or certificate, with the exception of Worker’s Compensation, shall expressly provide that the interest of Landlord therein shall not be affected by any breach by Tenant of 

  

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any provision of any such policy. Further, all certificates shall expressly provide that no less than thirty (30) days prior written notice shall be
given Landlord in the event of material alterations to or cancellation of the coverage evidenced by such certificates. 
 (D) Upon demand,
Tenant shall provide Landlord, at Tenant’s expense, with such increased amount of existing insurance, and such other insurance in such limits as Landlord may reasonably require and such other hazard insurance as the nature and condition of the
Premises may require in the sole judgment of Landlord, to afford Landlord adequate protection for said risks. Such increased insurance shall be comparable with that which is required by other landlords of comparable buildings in the area.

 (E) If on account of the failure of Tenant to comply with the provisions of this Paragraph 19, Landlord is adjudged a coinsurer by its
insurance carrier, then any loss or damage Landlord shall sustain by reason thereof shall be borne by Tenant and shall be immediately paid by Tenant upon receipt of a bill therefore and evidence of such loss. 
 (F) Landlord makes no representation that the limits of liability specified to be carried by Tenant under the terms of this Lease are adequate to protect
Tenant against Tenant’s undertaking under this Paragraph 19. In the event Tenant believes that any such insurance coverage called for under this Lease is insufficient, Tenant shall provide, at its own expense, such additional insurance as it
deems adequate. 
 (G) Each policy evidencing the insurance to be carried by Tenant under this Lease shall contain a clause that such policy
and the coverage endorsed thereby shall be primary with respect to any policies carried by Landlord, and that any coverage carried by Landlord shall be excess insurance. 
 (H) Any insurance required of Tenant under this Lease may be furnished by Tenant under a blanket policy carried by it. Such blanket policy shall contain an endorsement that names Landlord as an additional insured,
references the Premises, and guarantees a minimum limit available for the Premises equal to the insurance amounts required in this Lease. 
 (I) In the event Tenant fails to procure, maintain, and/or pay for the insurance required by this Lease, at the times and for the durations specified in this Lease, Landlord shall have the right, but not the obligation, at any time and from
time to time, and without notice, to procure such insurance and/or pay the premiums for such insurance, in which event Tenant shall repay Landlord, immediately upon demand by Landlord, as Additional Rent, all sums so paid by Landlord together with
interest thereon and any costs or expenses incurred by Landlord in connection therewith, without prejudice to any other rights and remedies of the Landlord under this Lease. 
 WAIVER OF SUBROGATION 
 PARAGRAPH 20 
 Tenant and Landlord each agree that the respective insurance carried by it against loss or 

  

 27 

 
damage by fire or other casualty shall contain a clause whereby the insurer waives its right of subrogation against the other party. 
 Pursuant to the foregoing, Landlord and Tenant hereby waive all claims for recovery from the other party for any loss or damage to any of its property
insured under valid and collectible insurance policies to the extent of any recovery collectible under such insurance. The foregoing waiver shall be in force only if both Tenant’s and Landlord’s insurance policies contain a clause
providing that such waiver shall not invalidate the insurance. 
 NO WAIVER 
 PARAGRAPH 21 
 No waiver by Landlord of any provision of this Lease or of any
breach by Tenant hereunder shall be deemed to be a waiver of any other provision hereof, or for any subsequent breach by Tenant of the same or any other provisions. Landlord’s consent to or approval of any act by Tenant requiring
Landlord’s consent or approval shall not be deemed to render unnecessary the obtaining of Landlord’s consent to or approval of any subsequent act of Tenant. Failure of Landlord to insist upon strict performance of any provision of this
Lease shall not be deemed to be a waiver of such provision. No act or omission by Landlord or Landlord’s agents during the Term of this Lease shall be deemed an acceptance of a surrender of the Premises, unless confirmed by Landlord in writing.
The delivery of the keys to an employee or agent of Landlord shall not operate as a termination of the Lease or a surrender of the Premises. The acceptance of any Rent by Landlord following a breach of this Lease by Tenant shall not constitute a
waiver of any of Landlord’s rights unless such waiver is expressly stated in writing and signed by Landlord. 
 DEFAULT

 PARAGRAPH 22 
 (A)
The occurrence of any of the following shall constitute a material Default and breach of this Lease by Tenant: 
  

	 	(i)	Any failure by Tenant to pay the Rent or to make any other payment required to be made by Tenant hereunder within five (5) days of date due; 

  

	 	(ii)	The abandonment or vacation of the Premises by Tenant; however, if Tenant wishes to vacate the Premises, Tenant may do so after having posted a Letter of Credit with Landlord in an
amount equal to the remainder of Rent due from such date. Such Letter of Credit amount shall be reduced annually as the balance of Rent due reduces. If Tenant shall subsequently re-occupy and/or sublet the Premises during such time, such Letter of
Credit shall no longer be required. 

  

 28 

	 	(iii)	Any failure by Tenant to observe and perform any of its obligations under this Lease, not referred to in (i) above, where such failure continues for fifteen (15) days
after Landlord has given Tenant written notice, provided, however, that if the nature of Tenant’s Default is such that more than fifteen (15) days are reasonably required for its cure, then Tenant shall not be deemed to be in Default if
Tenant has been pursuing such cure with reasonable diligence, within the fifteen (15) day period and thereafter diligently completes the cure; where such failure continues for fifteen (15) days after Landlord has given Tenant written
notice or such other notice as may be required by law; 

  

	 	(iv)	Tenant makes, or has made, or furnishes, or has furnished, any warranty, representation or statement to Landlord in connection with this Lease, or any other agreement to which
Tenant and Landlord are parties, which is or was false or misleading in any material respect when made or furnished; 

  

	 	(v)	Any substantial portion of the assets of Tenant is transferred unless such transfer is incurred in the ordinary course of Tenant’s business in good faith for fair equivalent
consideration, and with Landlord’s consent, and except for a transfer of assets subject to Paragraph 15 E (i); 

  

	 	(vi)	Tenant becomes insolvent as defined in the Federal Bankruptcy Code, admits in writing its insolvency or its present or prospective inability to pay its debts as they become due, is
unable to or does not pay all or any material portion (in number or dollar amount) of its debts as they become due, permits or suffers a judgment to exist against it which affects Tenant’s ability to conduct its business in the ordinary course
(unless enforcement thereof is stayed pending appeal), makes or proposes an assignment for the benefit of creditors or any class thereof for purposes of effecting a moratorium upon or extension or composition, or commences or proposes to commence
any bankruptcy, reorganization or insolvency proceeding, or other proceedings under any federal, state or other law for the relief of debtors; 

  

	 	(vii)	Tenant fails to obtain the dismissal, within thirty (30) days after the commencement thereof, of any bankruptcy, reorganization or insolvency proceeding, or other proceeding
under any law for the relief of debtors, instituted against it by one or more third parties, or fails actively to oppose any such proceedings, or, in any such proceeding, Defaults or files an answer admitting the material allegations upon which the
proceeding was based or alleges its willingness to have an order for relief entered or its desire to seek liquidation, reorganization or adjustment of any of its debts; 

  

	 	(viii)	 Any receiver, trustee, or custodian is appointed to take possession of all or any substantial portion of the assets of Tenant, or any committee of Tenant, or any
committee of Tenant’s creditors, or any class thereof is formed for the purpose 

  

 29 

	 	 
of monitoring or investigating the financial affairs of Tenant or enforcing such creditors’ rights. 

 (B) In the event of any such material Default and breach of this Lease by Tenant, then in addition to any other remedies available to Landlord at law or
in equity, Landlord shall have the option to immediately terminate this Lease and all rights of Tenant hereunder by giving written notice of such intention to terminate. In the event that Landlord shall elect to so terminate the Lease, then Landlord
may recover from Tenant: 
  

	 	(i)	any unpaid Rent which shall have accrued at the time of such termination; plus 

  

	 	(ii)	the entire amount of unpaid Rent for the balance of the Term which amount shall, at Landlord’s option, be immediately due and payable; plus 

  

	 	(iii)	any other amount necessary to compensate Landlord for Landlord’s loss or damage caused directly or indirectly by Tenant’s failure to perform its obligations under this
Lease including, but not limited to, reasonable attorneys’ fees and costs; plus 

  

	 	(iv)	at Landlord’s election, such other amounts in addition to, or in lieu of the foregoing, as may be permitted from time to time by applicable law. 

 (C) In the event of any such material Default and breach of this Lease by Tenant, Landlord shall also have the right, with or without terminating this
Lease, to re-enter and to take possession of the Premises and to remove all persons and property from the Premises. Landlord is hereby granted a lien, in addition to any statutory lien or right to distrain that may exist, on all personal property of
Tenant in or upon the Premises, to assure payment of the Rent and performance of the covenants and conditions of this Lease. Landlord shall have the right, as agent of Tenant, to take possession of all personal property of Tenant found in or about
the Premises including without limitation furniture and fixtures of Tenant and, to sell the same at public or private sale and to apply the proceeds thereof to the payment of any monies due or becoming under this Lease, or to remove all such effects
and store same in a public warehouse or elsewhere at the cost of and for the account of Tenant, or any other owner or occupant, Tenant hereby waiving the benefit of all laws exempting property from executing, levy and sale of distress or judgment.

 (D) In the event of the vacation or abandonment of the Premises by Tenant or in the event that Landlord shall elect to re-enter as
provided above or shall take possession of the Premises pursuant to legal proceeding or pursuant to any notice provided by law, then if Landlord does not elect to terminate this Lease as provided in this Paragraph 22, Landlord may from time to time,
without terminating this Lease, either recover all Rent as it becomes due or relet the Premises or any part thereof for such term or terms and at such rental or rentals and upon such other terms and conditions as Landlord in his sole discretion may
deem advisable with the right to make alterations and repairs to the Premises. 
 (E) In the event that Landlord shall elect to so relet,
then rentals received by Landlord from 

  

 30 

 
such reletting shall be applied: first, to the payment of any indebtedness other than Rent due hereunder from Tenant to Landlord; second, to the payment of
any cost of such reletting, including but not limited to broker’s commissions and reasonable attorneys’ fees; third, to the payment of the cost of any alterations and repairs to the Premises; fourth, to the payment of any Rent due and
unpaid hereunder; and the residue, if any, shall be held by Landlord and applied in payment of future Rent as the same may become due and payable hereunder. Should any such reletting result in the payment of rentals less than the Rent payable by
Tenant hereunder, then Tenant shall pay such deficiency to Landlord immediately upon demand therefor by Landlord. Tenant shall also pay Landlord as soon as ascertained, any costs and expenses incurred by Landlord in such reletting or in making such
alterations and repairs not covered by the rentals received from such reletting. 
 (F) No re-entry or taking possession of the Premises by
Landlord pursuant to this Paragraph 22 shall be construed as an election to terminate this Lease unless a written notice of such intention be given to Tenant. Notwithstanding any reletting without termination by Landlord because of any Default by
Tenant, Landlord may at any time after such reletting, elect to terminate this Lease for any such Default. 
 RIGHT OF LANDLORD TO CURE
TENANT’S DEFAULT 
 PARAGRAPH 23 
 If Tenant Defaults in the making of any payment or in the doing of any act herein required to be made or done by Tenant, then Landlord may but shall not be required to make such payment or do such act and charge to
Tenant the amount of all costs in connection therewith including but not limited to reasonable legal fees and expenses incurred by Landlord, with interest thereon as provided in Paragraph 36 from the date paid by Landlord to the date of payment
thereof by Tenant. Such payment and interest shall constitute Additional Rent hereunder due and payable upon demand but the making of such payment or the taking of such action by Landlord shall not operate to cure such Default or to stop Landlord
from the pursuit of any other remedy to which Landlord would otherwise be entitled. 
 NOTICES 
 PARAGRAPH 24 
 All notices which
Landlord or Tenant may be required or may desire to serve on the other may be served, as an alternative to personal service, by mailing the same by registered or certified mail, return receipt requested, postage prepaid, or by nationally recognized
overnight carrier addressed as set forth in Item 14 of the Basic Lease Provisions, or addressed to such other address or addresses as either Landlord or Tenant may from time to time designate to the other by written notice. 
  

 31 

 INSOLVENCY OR BANKRUPTCY 
 PARAGRAPH 25 
 In no event shall this Lease be assigned or assignable by
operation of law, except as permitted in Paragraph 15, and in no event shall this Lease be an asset of Tenant in any receivership, bankruptcy, insolvency, or reorganization proceeding. 
 SURRENDER AND HOLDOVER 
 PARAGRAPH 26 
 (A) On the expiration or the sooner termination hereof, Tenant shall peaceably surrender the Premises broom clean, in good order, condition and repair.
On or before the last day of the Term or the sooner termination hereof, Tenant shall at its expense remove its trade fixtures, signs and other personal property from the Premises. Any property not removed shall be deemed abandoned and may either be
retained by Landlord as its property, or disposed of, without accountability and at Tenant’s expense, in such manner as Landlord may determine. If the Premises are not surrendered at the end of the Term or the sooner termination, Tenant shall
indemnify Landlord against loss or liability resulting from delay by Tenant in so surrendering the Premises, including, without limitation, claims made by any succeeding tenants found on such delay. Tenant shall promptly surrender all keys for the
Premises and Building restrooms to Landlord at the place then fixed for payments of Rent. Tenant’s covenants hereunder shall survive the expiration or termination of this Lease. 
 (B) If Tenant holds over after the expiration or sooner termination hereof without the express written consent of Landlord, Tenant shall become a Tenant
at sufferance only at two times the greater of (i) the Rent due hereunder or (ii) the then prevailing market rate rent for comparable space in the Princeton Forrestal Center, as determined by Landlord in its sole and absolute discretion,
for the first two (2) months that Tenant holds over; and at three (3) times the greater of (i) the Rent due hereunder or (ii) the then prevailing market rate rent as determined by Landlord in its sole and absolute discretion for
any additional months thereafter, plus all items of Additional Rent provided herein, and either (i) or (ii) shall be prorated on a daily basis according to the number of days contained in the month that such expiration or earlier
termination takes place, and otherwise upon the terms, covenants and conditions herein specified, so far as applicable. Acceptance by Landlord of Rent after such expiration or earlier termination shall not constitute a consent to a holdover
hereunder or result in a renewal. The foregoing provisions of this paragraph are in addition to and do not affect Landlord’s rights of re-entry or any other rights of Landlord hereunder or as otherwise provided by law. 
 CONDITION OF PREMISES 
 PARAGRAPH 27

 Landlord’s sole responsibility for preparation of the Premises will be as set forth in the Work Letter attached hereto as Exhibit
B-1 and if there is no Work Letter, Landlord’s sole responsibility will 

  

 32 

 
consist of building of a demising wall and an entry door for Tenant. Landlord’s responsibility for the preparation of the Premises as described above is
hereinafter referred to as Landlord’s Work. Except for Landlord’s Work, Tenant acknowledges that neither Landlord nor any agent of Landlord has made any representation or warranty with respect to the Premises, the Building or the Project
for the conduct of Tenant’s business. The taking of possession of the Premises by Tenant shall conclusively establish that the Building and the Premises were at such time in good order and repair. 
 QUIET POSSESSION 
 PARAGRAPH 28

 Upon Tenant’s paying the rent reserved hereunder and observing and performing all of the covenants, conditions and provisions on
Tenant’s part to be performed hereunder, Tenant shall have quiet possession of the Premises for the entire Term hereof, subject to all of the provisions of this Lease. This covenant shall be binding upon any Landlord hereunder only during its
respective ownership of the Premises. 
 LIMITATION OF LANDLORD’S LIABILITY 
 PARAGRAPH 29 
 (A) Landlord and its
employees and agents shall not be liable for any damage to Tenant’s property entrusted to employees of Landlord or its agents, nor for any loss or interruption of Tenant’s possession, nor for loss of or damage to any property by theft or
otherwise, nor for any injury or damage to persons or property resulting from fire, explosion, falling plaster, steam, gas, electricity, water or rain which may leak from any part of the Building or from the pipes, appliances or plumbing works
therein or from the roof, street, or sub-surface or from any other place or resulting from dampness or any other cause whatsoever in the Building or the Project. Landlord and its employees and agents shall not be liable for any property loss
resulting from any latent defect in the Premises or in the Building. 
 (B) Tenant shall look solely to Landlord’s estate and property
in the Project (or the proceeds thereof) for the satisfaction of Tenant’s remedies for the collection of a judgment (or other judicial process) requiring the payment of money by Landlord in the event of any Default by Landlord hereunder, and no
other property or assets of Landlord or Landlord’s partners or members shall be subject to levy, execution or other enforcement procedure for the satisfaction of Tenant’s remedies under or with respect to either this Lease, the
relationship of Landlord and Tenant hereunder, or Tenant’s use and occupancy of the Premises. 
  

 33 

 GOVERNING LAW 
 PARAGRAPH 30 
 This Lease shall be governed by and construed pursuant to the laws of the State of New
Jersey. 
 COMMON FACILITIES 
 PARAGRAPH 31 
 Tenant shall have the non-exclusive right in common with others, to the use of common entrances, lobbies,
elevators, ramps, drives, stairs and similar access and service ways and the other common facilities (except for parking spaces other than those provided for in Paragraph 39) in and adjacent to the Building or Project, as may be provided by Landlord
from time to time for general use, subject to such rules and regulations as may be adopted by the Landlord including, but not limited to, the right to close from time to time all or a portion of said common facilities to such extent as may be
legally sufficient, in Landlord’s sole opinion, to prevent a dedication thereof or the accrual of rights to any person or to the public therein. 
 SUCCESSORS AND ASSIGNS 
 PARAGRAPH 32 
 Except as otherwise provided in this Lease, all of the covenants, conditions and provisions of this Lease shall be binding upon and shall inure to the
benefit of the parties hereto and their respective heirs, personal representatives, successors and assigns. However, the obligations of Landlord under this Lease shall not be binding upon Landlord herein named with respect to any period subsequent
to the transfer of its interest in the Project as owner or lessee thereof, and in the event of such transfer said obligations shall thereafter be binding upon each transferee of the interest of Landlord herein named as such owner or lessee of the
Project, but only with respect to the period commencing with its respective transfer in and ending with a subsequent transfer out, and such transferee, by accepting such interest, shall be deemed to have assumed such obligations except only as may
be expressly otherwise provided in this Lease. A lease of Landlord’s entire interest in the Project as owner or lessee thereof shall be deemed a transfer within the meaning of this Paragraph 32. 
 BROKERS 
 PARAGRAPH 33

 Tenant represents and agrees that it has not directly or indirectly dealt with any real estate broker(s) other than the firm(s)
specified in Item 12 of the Basic Lease Provisions in connection with this transaction. Further, Tenant covenants and agrees that with respect to any renewal or extension or expansion of this Lease, or with respect to any transaction by Tenant
or its affiliates, successors or assigns with Landlord 300 CRA LLC or 100 & RW CRA LLC with respect to the leasing of space by Tenant either by original lease, renewal or expansion space within any buildings owned by Landlord or 400 CRA LLC
within College Park at Princeton Forrestal Center in Plainsboro, New Jersey, that 

  

 34 

 
Tenant will pay all brokerage commissions or finders fees, commissions, fees or other remuneration claimed by any real estate broker or finder other than the
firm (s) specified in Item 12 of the Basic Lease Provisions. Tenant agrees to defend, indemnify and hold Landlord harmless from and against any claims for brokerage commissions or finder’s fee arising out of or based upon any actions
of Tenant with respect to any other broker or brokers other than the firm (s) specified in Item 12 of the Basic Lease Provisions with respect to the leasing of space by Tenant, either by original lease, renewal, or expansion space for any
space including, but not limited to the Premises, leased by Tenant or its affiliates, successors or assigns from Landlord or 400 CRA LLC within the buildings owned by either of them at College Park at Princeton Forrestal Center in Plainsboro, New
Jersey. The terms of this Paragraph will survive termination of this Lease. 
 NAME 
 PARAGRAPH 34 
 Tenant shall not,
without the written consent of Landlord, use the name of the Building or the Project for any purpose other than as the address of the business to be conducted by Tenant in the Premises, and in no event shall Tenant acquire any rights in or to such
names. 
 EXAMINATION OF LEASE 
 PARAGRAPH 35 
 Submission of this instrument for examination or signature by Tenant does not constitute a reservation of or
option for lease, and it is not effective as a Lease or otherwise until execution by and delivery to both Landlord and Tenant. 
 ADDITIONAL CHARGES 
 PARAGRAPH 36 
 Any amount due from Tenant to Landlord which is not paid when due, in addition to other remedies available to Landlord, shall at Landlord’s option bear interest which shall be at the lesser of (i) eighteen
(18%) percent per annum or (ii) the maximum lawful rate per annum, from the date such payment is due until paid, but the payment of such interest shall not excuse the cure of Default. In addition to the foregoing, Landlord may also impose
a late charge of four (4%) percent of the amount past due, and a charge for reasonable legal fees and costs. 
  

 35 

 MARGINAL HEADINGS 
 PARAGRAPH 37 
 The marginal headings and titles to the Paragraphs of this Lease are not a part of
this Lease and shall have no effect upon the construction or interpretation of any part hereof. 
 PRIOR AGREEMENTS; SEVERABILITY

 PARAGRAPH 38 
 This
Lease contains all of the agreements of the parties hereto with respect to any matter covered or mentioned in this Lease, and no prior agreement, understanding or representation pertaining to any such matter shall be effective for any purpose. No
provision of this Lease may be amended or added to except by an agreement in writing signed by the parties hereto or their respective successors in interest. If any term or provision of this Lease, the deletion of which would not adversely affect
the receipt of any material benefit by either party hereunder, shall be held invalid or unenforceable to any extent, the remainder of this Lease shall not be affected thereby and each term and provision of this Lease shall be valid and enforceable
to the fullest extent permitted by law. 
 PARKING 
 PARAGRAPH 39 
 Tenant shall have the right to the non-exclusive use of the number of parking spaces
shown in Item 11 of Basic Lease Provisions. Tenant covenants and agrees to comply with all reasonable rules and regulations which Landlord may hereafter from time to time make to assure use of parking spaces by permitted users. Landlord’s
remedies under such rules and regulations may include, but shall not be limited to, the right to tow away at owner’s expense any vehicles not parked in compliance with these rules and regulations. Landlord shall not be responsible to Tenant for
the noncompliance or breach by any other tenant of said rules and regulations. 
 AUTHORITY 
 PARAGRAPH 40 
 Tenant represents that
Tenant is authorized to do business in the State of New Jersey. Upon Landlord’s request, Tenant’s signatories hereto will furnish satisfactory evidence of Tenant’s authorization and their authority to execute this Lease on behalf of
Tenant. 
  

 36 

 NO LIGHT, AIR OR VIEW EASEMENT 
 PARAGRAPH 41 
 Any diminution or shutting off of light, air or view of any
structure which may be erected on lands adjacent to the Building shall in no way effect this Lease or impose any liability on Landlord. 
 FORCE MAJEURE 
 PARAGRAPH 42 
 Except as otherwise expressly provided herein, this Lease and the obligations of Tenant to pay Rent hereunder and perform all of the other covenants, agreements, terms, provisions and conditions hereunder on the part
of Tenant to be performed shall in no way be affected, impaired or excused because Landlord is unable to fulfill any of its obligations under this Lease, if Landlord is prevented or delayed from so doing by reason of any cause beyond Landlord’s
reasonable control, including, but not limited to, Acts of God, strikes, labor troubles, shortage of material, governmental preemption in connection with a national emergency or by reason of any rule, order or regulations of any governmental agency
or by reason of war, hostilities or similar emergency; provided that Landlord shall in each instance exercise reasonable diligence to effect performance as soon as possible. It is agreed that Landlord shall not be required to incur any overtime or
additional expenses in Landlord’s reasonable diligence to effect the performance of any of Landlord’s obligations hereunder. 
 ATTORNMENT 
 PARAGRAPH 43 
 If for any reason the leasehold estate of Landlord as Tenant under any underlying lease is terminated by summary proceedings or otherwise, Tenant will attorn to the Landlord under such underlying Lease and will
recognize such Landlord as Tenant’s Landlord under this (sub)lease. Tenant agrees to execute and deliver, at any time, and from time, to time, upon the request of Landlord or of the Landlord under any such underlying lease, any instrument which
may be necessary or appropriate to evidence such attornment and Tenant hereby appoints Landlord the Landlord under such underlying lease the attorney-in-fact, irrevocable, of Tenant to execute and deliver any such instrument for and on behalf of
Tenant. Tenant further waives the provisions of any statute or rule of law now or election to terminate this (sub)lease or to surrender possession of the Premises in the event such underlying lease terminates or any such proceeding is brought by
Landlord under such underlying lease, and agrees that his (sub)lease shall not be affected in any way whatsoever by any such proceeding or termination. 
 COMMON AREA MAINTENANCE COST 
 PARAGRAPH 44 
 Base Project Operating Expenses as defined in Paragraph 3 shall also include Landlord’s costs and expenses incurred as Landlord’s share of
common area maintenance all as set forth in Article 29 of the underlying Land Lease between the Trustees of Princeton University as landlord and Landlord as tenant. 
  

 37 

 NOTICE REGARDING TENANT’S MOVING IN OR OUT 
 PARAGRAPH 45 
 Two days prior to any
move into or out of the Premises, Tenant must notify National Business Parks, as Agent for 300 CRA LLC, of the following: the name of the Moving Company, Moving Company representative in charge of the move, and Moving Company’s phone number.
All moves must be done during the work week (Monday through Friday, inclusive between the hours of 7:30 A.M. and 4:30 P.M.). No elevators will be available Saturday, Sunday or holidays or after 4:30 P.M. on other days. The insurance evidence in the
form required by Paragraph 19 hereof must be delivered to Landlord prior to commencement of the Tenant’s move into or out of the Premises. 
 TENANT’S FINANCIAL STATEMENT 
 PARAGRAPH 46 
 The Tenant will submit to the Landlord: 
 (a) Annually, as soon as available, but in any event within ninety (90) days after the last day of each of its fiscal years, balance sheets of the Tenant and its subsidiaries as at such last day of the fiscal
year, and statements of income and retained earnings and statements of cash flows, for such fiscal year, each prepared in accordance with generally accepted accounting principles (“GAAP”) consistently applied, in reasonable detail, such
statements to be certified by a firm of independent certified public accountants. 
 (b) Promptly after a written request
therefor, which may be made by Landlord at any time Landlord has been requested to approve any action to be taken involving Tenant, Tenant’s balance sheets, statements of income and retained earnings and statements of cash flow for
Tenant’s most recently available completed quarterly period. 
 (c) Upon Landlord’s request from time to time,
Tenant shall promptly provide Landlord with a statement certified by the Tenant’s chief operating officer or chief financial officer, which shall provide the following information: 
  

	 	(i)	The names of all of the Tenant’s shareholders and their ownership interests at the time thereof, provided Tenant’s shares are not publicly traded;

  

	 	(ii)	The state in which Tenant is incorporated; 

  

	 	(iii)	The location of Tenant’s principal place of business; 

  

 38 

	 	(iv)	Information regarding a material change in the corporate structure of Tenant, including, without limitation, a merger or consolidation; and 

  

	 	(v)	Any other information regarding Tenant’s ownership interest that Landlord reasonably requests. 

 FIRST OPTION TO RENEW 
 PARAGRAPH 47 
 Upon condition that Tenant is not in Default in the payment of any Rent or other charge payable by Tenant under this Lease and not in Default in the
performance of any covenant or obligation to be performed by Tenant under this Lease and upon Tenant’s giving Landlord twelve (12) months notice in writing in the manner prescribed in Article 24 hereof prior to the expiration of the Term
hereof, Tenant shall have the option to renew and extend this Lease for an additional period of five (5) years, pursuant and subject to all terms, covenants, provisions, and conditions of this Lease, including, without limitation, the payment
of all items of Rent as provided for hereunder, except that the Basic Annual Rent shall be adjusted to the then prevailing fair market rent for comparable space within the Princeton Forrestal Center (including rental rate, rent escalation, expense
pass through, tenant improvement allowance and other concessions, if any). 
 SECOND OPTION TO RENEW 
 PARAGRAPH 48 
 Upon condition that
Tenant is not in Default in the payment of any Rent or other charge payable by Tenant under this Lease and not in Default in the performance of any covenant or obligation to be performed by Tenant under this Lease and upon condition that Tenant has
exercised the renewal option granted in Paragraph 47 hereof, and upon Tenant’s giving Landlord twelve (12) months notice in writing in the manner prescribed in Article 24 hereof prior to the expiration of the Term hereof (as may be
extended pursuant to Paragraph 47 hereof), Tenant shall have the option to renew and extend this Lease for an additional period of five (5) years, pursuant and subject to all terms, covenants, provisions, and conditions of this Lease,
including, without limitation, the payment of all items of Rent as provided for hereunder, except that the Basic Annual Rent shall be adjusted to the then prevailing fair market rent for comparable space within the Princeton Forrestal Center
(including rental rate, rent escalation, expense pass through, tenant improvement allowance and other concessions, if any). 
  

 39 

 RIGHT OF FIRST REFUSAL TO ADDITIONAL SPACE 
 PARAGRAPH 49 
 During the Term hereof and provided that Tenant is not in Default
in the payment of Basic Net Annual Rent, Additional Rent or any other amount due hereunder or in the performance of any covenant or obligation to be performed by Tenant hereunder, Landlord agrees that Landlord will not enter into any lease for any
space that is contiguous to Tenant’s Premises in the Building to any prospective tenant who expresses to Landlord his intention to lease such space, unless Landlord shall first receive an acceptable bona-fide offer in writing from such
prospective tenant for the lease of such space and Landlord shall have notified Tenant in writing of the name of the prospective tenant making the offer, the rental amount to be paid therefore and all pertinent details of the proposed lease.
Landlord agrees that Tenant shall thereupon have the prior right to lease said space upon the same terms and conditions as are contained in said offer. Said right must be exercised within ten (10) days after Tenant’s receipt of said
written notice of said offer by giving written notice to Landlord of the exercise of said right within said ten (10) day period. Following such ten (10) day period, Landlord may lease such space to the third party without further notice to
Tenant. 
 LANDLORD’S REPRESENTATIONS AND WARRANTIES 
 PARAGRAPH 50 
 (A) Landlord represents and warrants that the Building is fully sprinklered and complies with all
current code requirements, including without limitation, electrical, plumbing, fire/life safety and zoning codes. 
 (B) Landlord represents and warrants
that the Building is free of asbestos containing materials, and Landlord has no knowledge of the presence of Hazardous Materials at the Project. 
  

 40 

 EXHIBIT A 
 FLOOR PLAN(S) 
 (Not included in the execution copy) 

 EXHIBIT B-1 
 LANDLORD’S WORK LETTER 
 It is the intent of this Exhibit that Tenant shall be permitted
reasonable freedom in the interior design and layout of its space, consistent with applicable building codes and sound architectural and construction practices in first class office buildings, provided that no interference is caused to the operation
of the Building’s mechanical, heating, cooling or electrical systems or other building operations or functions, and no increase in maintenance or utility charges will be incurred by Landlord without Landlord’s approval, which approval
shall not be unreasonably withheld or delayed. Tenant’s alterations must be made in compliance with all laws, including without limitation, the Americans With Disabilities Act of 1990 and all regulations issued thereunder. 
 1. Landlord Allowance: Landlord will contribute $15.00 per square foot towards Tenant improvements in the demised Premises only. 
 Tenant at Tenant’s cost shall be responsible for any improvements to the Building’s systems that are required by any applicable code when such
requirement results from the installation of Tenant improvements in the demised Premises, only. To the extent that such improvements to the Building’s systems are required because the Building, prior to the installation of Tenant improvements,
does not comply with any applicable code, the cost of such compliance shall be Landlord’s responsibility. 
 2. Landlord’s
Option for Tenant’s Work: Landlord, under the terms of this Lease, will allow Tenant to perform its own work under the following conditions: 
 A) Landlord has the right to bid the Tenant improvement work. Tenant shall provide Landlord evidence of the lowest bid price of its bidders. If Landlord is the lowest bidder after complying with all of the conditions
of the bid package and after all bids have been reviewed and equalized so that the bids are in an “apples to apples” comparison, Tenant will award the contract to Landlord. Landlord may choose to not perform the work. All payments due to
Landlord will be guaranteed by Tenant. Payment for work satisfactorily completed by Landlord, shall be made within thirty (30) days of the due date, commencing from the invoice date for the work performed. 
 However, with regard to the initial Tenant improvements, Tenant may perform its own construction, using its own contractors approved by
Landlord. 
 B) Landlord maintains the right to reasonably approve or disapprove any of the general contractors or
sub-contractors. The Landlord’s pre-approved bidders are: 
 1. Turner 
 2. Hunt Construction Group 
 3. Bovis
Construction Corp. 
 4. Torcon 
 3. Landlord’s Approval: Tenant’s plans, as hereinafter defined, shall be subject to Landlord’s prior written approval within ten (10) business days of the receipt of same, which approval 

 
shall not be unreasonably withheld or delayed. If Tenant’s plan requires any variance or any modifications of any existing site plan, Tenant will be
responsible for obtaining all required approvals, at Tenant’s sole cost and expense, except for those items of which the Landlord is responsible for under Paragraph 8 of the Lease. Landlord will cooperate with Tenant in securing such approvals.

 4. Landlord’s allowance will be paid to Tenant at the issuance of a Certificate of Occupancy. 
 5. CONSTRUCTION 
 (A). If the
Landlord does not perform the construction of the Tenant’s improvements, then the work may be done by the Tenant in compliance with the following: 
 (i) No such work shall proceed without Landlord’s prior written approval, which approval shall not be unreasonably withheld or delayed, of (i) Tenant’s contractor, if any; (ii) detailed plans and
specifications for the work which are usual and customary; and (iii) a certificate of workman’s compensation insurance in an amount and with a company and on a form reasonably acceptable to Landlord and a certificate of insurance in form
and from and insurer reasonably acceptable to Landlord, showing Tenant or Tenant’s contractor to have in effect public liability, comprehensive general liability and property damage insurance with limits of not less than
$1,000,000.00/$2,000,000.00 and $1,000,000.00 respectively. All such certificates except worker’s compensation shall be endorsed to show Landlord as an additional insured and such insurance shall be maintained by Tenant or Tenant’s
contractor at all times during the performance of Tenant’s work. Tenant’s construction manager shall abide by all terms of the Lease as they apply to the construction of the Tenant Improvements. 
 (ii) All such work shall be done in conformity with applicable codes and regulations of governmental authorities having jurisdiction over
the Building and Premises and with valid building permits and other authorizations from appropriate governmental agencies. Any work being performed by Tenant, either not acceptable to the appropriate governmental agencies, or not shown on
Tenant’s plans (or installed other than indicated on Tenant’s plans) and which is not reasonably satisfactory to Landlord, shall be promptly replaced at Tenant’s expense. 
 (iii) Tenant and Tenant’s contractors shall abide by all safety and construction laws, ordinances, and Landlord’s rules and
regulations as per Exhibit C. All work and deliveries shall be coordinated through Landlord. Entry by Tenant’s contractors shall be deemed to be under all the terms, covenants, provisions and conditions of the Lease. All Tenant’s
materials, work installation and decoration of any nature brought upon or installed in the Premises shall be at the risk of the contractor who installed same, and for any claims for loss or damage if not determined as to party at fault, contractor
will file claim with its proper insurance carrier for such loss. If the party at fault is determined, the claim will be filed with such party’s insurance carrier. If the loss occurs while Landlord is performing Tenant Improvements of the
Building, then contractor can file claim against Landlord’s insurance carrier. 

 (iv) Tenant shall not employ any contractor who in Landlord’s sole opinion will
prejudice Landlord’s negotiations or relationships with Landlord’s contractors or subcontractors or the negotiations or relationship of those contractors or subcontractors with their employees, or may disturb harmonious labor relations.

 (v) Tenant shall reimburse Landlord for any actual, direct, and reasonable extra expenses incurred by Landlord by reason of
faulty work done by Tenant or its contractors, or by reason of Building use outside normal working hours. Notwithstanding the previous sentence, Landlord shall give Tenant notice and ten (10) days to cure any defective work before Landlord
commences its remedial work. 
 (vi) If Landlord does not perform Tenant’s work, Tenant shall pay to Landlord a building
service fee of 10% profit and overhead plus 10%to cover Landlord’s cost of coordination of Tenant’s work, except that with regard to the initial Tenant improvements, if Tenant uses its own contractors (approved by Landlord), Tenant shall
only be required to pay a fee of ten percent (10%). Landlord agrees that with regard to improvements made subsequent to the initial improvements, if Landlord declines its right to perform such improvements, then only a ten percent (10%) fee be
paid to Landlord for the coordination of Tenant’s work performed by Tenant’s contractors, unless Landlord is the low bidder and Tenant insists on using its own contractors (approved by Landlord), in which case, Tenant shall pay Landlord a
fee of ten percent (10%) profit and overhead plus ten percent (10%) to cover Landlord’s cost of coordination of Tenant’s work, Such building service fee shall be deducted from Landlord’s Allowance, as payment. 
 (vii) Tenant’s contractors shall not post any signs on any part of the Building or the Premises, except as required by law.

 (viii) Tenant shall, upon Landlord’s written request, provide Landlord with copies of bills and invoices for the cost
of Tenant’s work hereunder, performed by Tenant or Tenant’s contractors. 
 (B). If there are any changes requested by Tenant,
after approval of Tenant’s Plan, Tenant shall be responsible for costs including permits and fees, architectural, engineering and related design expenses resulting from such changes. No such changes shall be made without prior written approval
of Landlord, which approval shall not be unreasonably withheld or delayed. 
 6. APPLICABILITY 
 The obligation to comply with the terms and conditions of this Exhibit B-1 shall be binding upon Tenant from and after the execution and delivery of the
Lease by both parties, even though such delivery predates the Commencement Date of the Lease. 
 7. GUARANTEE OF TENANT’S WORK

 In the event that Tenant performs its own work through its construction manager, then Tenant shall repair, replace any portion of the
work which proves defective within one (1) year (or as such 

 
longer period, provided in any separate guarantee or extended warranty, or required by law) from the Commencement Date of this Lease, evident by the issuance
of a final Certificate of Occupancy and repair any damage to other work caused by the defect or the repair of the defect. 
 8.
INDEMNIFICATION 
 Indemnification for Claims: Tenant shall bear the risk of loss and the responsibility for all injuries or
damages to persons or property, including work of Tenant’s construction manager, its subcontractors and subordinate subcontractors, that may arise in connection with its work under this work letter (the “Work”), or its use or
occupation of the Premises in connection with the Work. Tenant hereby indemnifies and agrees to save Landlord, and all of its officers, agents and employees, harmless against any liability, claims, demands or causes of action of any nature
whatsoever for damages of any kind as above set forth, and agrees at its expense, to defend any legal or other action brought against Landlord founded upon any such liability, claim, demand or cause of action, and to pay any attorneys’ fees
incurred by Landlord in connection therewith, except such indemnification shall not apply to such injury or damages as shall have been occasioned by the sole negligence of Landlord or Tenant’s architect. 

 EXHIBIT B-2 
 BUILDING STANDARD 
 300 SERIES 
  

	1.	PARTITIONS 

  

	 	(a)	Partitions within the Demised Premises shall have 5/8” gypsum board on each side of 2-1/2” metal studs, 24” on center, taped and spackled, to underside of finished
ceiling. Partitions between the Demised Premises and corridor(s) and between the Demised Premises, any adjacent space shall have 5/8” fire code gypsum board, taped and spackled, on each side of 3-1/2” metal studs, 24” on center.
Demising partitions and corridor partitions to have 1-1/2” (full thick) sound deadening insulation installed within from floor to underside of floor above, or match existing. 

  

	 	(b)	There will be no jogs, curves or angles in any partition. 

  

	 	(c)	Vinyl base 4” high to be on all partitioning and existing walls and columns. 

  

	2.	DOORS 

  

	 	(a)	All frames to be 16 gauge, pressed steel, painted. 

  

	 	(b)	Doors within Demised Premises to be 3’-0” x 7’-0” nominal x 1-3/4” solid core oak, matched finish. Doors to have fire rating as required by applicable
codes. 

  

	3.	HARDWARE 

  

	 	(a)	Cylindrical latch sets, standard weight, on individual office doors within the Demised Premises. 

  

	 	(b)	Cylindrical lock sets, heavy duty, and closers on doors from corridor(s) on Demised Premises. 

  

	 	(c)	Lock sets and latch sets to be Schlage, Sargent, Yale, Russwin or equal, as selected by Landlord. 

  

	 	(d)	All lock sets shall be keyed to the building master key system. 

	4.	ACOUSTICAL CEILINGS 

  

	 	(a)	Lay-in acoustic tile ceilings, within Demised Premises, shall be 24” x 48” regressed white mineral fiber, textured panels with white recessed “T”- spline, as
selected by Landlord with 2’ x 2’ Second Look Tile. 

  

	 	(b)	Ceiling heights within Demised Premises to be nominal 9’-0”.(existing) 

  

	 	(c)	Direction of ceiling-grid to be as determined by Landlord. 

  

	5.	FLOORING 

 Building Standard carpet to be in
all tenant areas where vinyl composition tile is not installed. All carpets will be selected from Landlord’s samples, or of equal quality. Carpet to be J&J Industries. 
  

	6.	PAINTING 

  

	 	(a)	Interior wall surfaces of gypsum board shall receive two (2) coats of flat latex paint, colors to be selected by Tenant from Landlord’s samples. 

 

	 	(b)	All interior ferrous metal surfaces shall receive two (2) coats of alkyd semi gloss enamel paint over shop-applied primer. 

  

	 	(c)	All wood doors to receive one (1) coat of sealer and two (2) coats of clear polyurethane satin varnish. 

  

	 	(d)	Paint manufacturers to be Sherwin Williams, or approved equal, as selected by Landlord. 

  

	7.	WINDOW COVERING 

 All exterior windows to
receive Building Standard, narrow, horizontal aluminum slat blinds, Levelor or equal, as selected by Landlord. (existing) 
  

	8.	ELECTRICAL SPECIFICATIONS 

  

	 	(a)	Lighting - Provide 2’ x 4’ 3L - high efficiency open deep cell fixtures in regressed aluminum frame with air return feature. 

  

	 	(b)	Power - Wall mounted duplex receptacles must meet all applicable codes. 

	 	(c)	The average electric load of the Demised Premises shall not exceed five (5) watts per square foot for lighting and power in office areas. Landlord will provide available
service of 200A 277/480V, 3 phase, for Tenant’s exclusive use. All other switchgear required is a function of the work letter allowance. (Re-use existing) 

  

	 	(d)	Landlord shall initially provide and install lamps and ballasts. Replacement of same shall be by Landlord, at Tenant’s expense. 

  

	9.	FIRE AND LIFE SAFETY FEATURES 

  

	 	(a)	The Building is fully sprinklered in all areas. 

  

	 	(b)	Fire Alarm System consisting of manual pull boxes, annunciators, alarm bells, control panel, etc. shall be required per code. 

  

	 	(c)	Smoke detectors, ionization-type, in corridors, Tenant’s space, electrical equipment rooms, elevator machine rooms and ductwork where the air quality is over 15,000 CFM.
Firestats in the ductwork where air quality is less than 15,000 CFM. 

  

	 	(d)	Battery back-up shall be required in the Building to operate all emergency and exit lighting fixtures in public areas and fire alarm system. 

  

	10.	TELEPHONE/DATA WORK 

  

	 	(a)	The Landlord shall arrange for telephone service to the equipment room in the Building’s core (already existing). 

  

	 	(b)	All telephone work and wiring in partitions, floors and ceilings are the responsibility of the Tenant, shall be paid for by Tenant, and coordinated with Landlord (Tenant’s
contractor must be approved by Landlord). Landlord will coordinate work with other trades as required. Completion or non-completion of the telephone work will not delay Tenant’s acceptance of the Demised Premises or the payment of Rent. All
electrical load centers, special wiring and plywood supplied by Landlord for telephone equipment shall be an extra cost to be paid by Tenant. Telephone company work is to meet all prevailing codes. 

  

	11.	HVAC SPECIFICATIONS (Office Areas Only) 

  

	 	(a)	Heating, ventilation and air-conditioning system shall be capable of maintaining the following interior conditions, subject to governmental regulations: 

 Summer - 75 degrees F (+2 degrees F) dry bulb and 50% relative humidity when outside temperature is 90
degrees F dry bulb and 75 degrees wet bulb. 
 Winter - 68 degrees F when outside temperature is 14 degrees F. 
  

	 	(b)	The VAV system with roof top A/C unit will have automatic thermostats mounted in the rooms or open spaces within the Demised Premises. 

  

	 	(c)	The VAV units are connected to roof top A/C units with filters, mixing dampers and fan motor. 

  

	 	(d)	Tenant override timers and running hour meter will be provided in electrical closet for after hours use. 

  

	 	(e)	The air supply distribution of the HVAC system for the Demised Premises shall be based on five (5) watts per square foot of total electrical load for all purposes. Occupancy
rate is based on one (1) person per 200 square feet. 

  

	 	(f)	All heating will be provided from the perimeter base board heaters via solid state controllers, from Building central system. 

  

	 	(g)	The control system for the heating will be by means of electric thermostats mounted in the rooms or open spaces within the Demised Premises as described in (11 b) interfaced with
solar & ambient outdoor temperature sensors. 

  

	 	(h)	Zoning within Tenant’s Demised Premises shall provide interior and perimeter zones. The number of zones, as determined by Landlord, shall be based on orientation and total area
occupied with average zones as follows: 

 Perimeter of areas - one (1) zone per 1,200 square feet 
 Interior areas - one (1) zone per 2,000 square feet 
 An average of 1 CFM per square foot will be delivered by the HVAC system within the Demised Premises. Diffusers supplying air will be spaced at 1 per 225 square feet. 
  

	 	(i)	If Tenant’s equipment (i.e. computers, business machines, etc.) or special uses (i.e. conference rooms, mailrooms, lunch rooms, etc.) requires air-conditioning above and beyond
Building Standard, as outlined, said additional air conditioning (including cost of operation as stipulated in the Lease) shall be paid for by Tenant. Any special exhaust requirements will also be paid for by Tenant. 

 EXHIBIT C 
 RULES AND REGULATIONS 
 1. The sidewalks, halls, passages, elevators and stairways shall not be obstructed by any of
the tenants nor used by them for any other purpose than for ingress and egress to and from their respective offices, nor shall they be used as a waiting or lounging place for tenant’s employees or those having business with tenants. The halls,
passages, elevators, stairways and roofs are not for the use of the general public, and Landlord retains in all cases the right to control and prevent access to any part of said Building of all persons whose presence, in the judgment of Landlord or
Landlord’s employees, may be prejudicial to the safety, character, reputation or interests of the Building and its tenants. In case of invasion, mob, riot, public excitement or other commotion, Landlord reserves the right to prevent access to
the Building during the continuance of same by closing the doors or otherwise, for the safety of tenants and the protection of property in said Building. During other than business hours, access to the Building may also be refused, unless the person
seeking admission is known by Landlord’s agent in charge to have the right to enter the Premises therein or is properly identified. In order for Tenant’s employee(s) to be permitted to enter a locked and secured building, it is required
that each such employee complete a “Security Access Card Request Form”. If this standard form is not completed in its entirety, Landlord may decline access to such employee. In addition, the production of a key to such premises may be
required. Tenants will instruct the Building manager from time to time as to the number of persons to whom they desire passes issued for this purpose. It will be the responsibility of the Tenant to pick up any pass and key whenever the employment of
the pass holder is discontinued. Landlord shall in no case be liable in damages for the admission or exclusion of any person from said Building. 
 2. The
floors, walls, partitions, skylights, transoms that reflect or admit light into passageways or into any place in said Building shall not be covered or obstructed by any of the tenants. The toilet-rooms, sinks and other water apparatus shall not be
used for any purposes other than those for which they were constructed, and no sweepings, rubbish, rags, ashes, chemicals or refuse shall be thrown or placed therein. Any damage resulting from such misuses or abuse shall be borne and immediately
paid by Tenant by whom or by whose employees it shall have been caused. 
 3. Nothing shall be placed by tenants or their employees on the outside of the
Building. 
 4. No sign, advertisement or notice shall be inscribed, painted or affixed on any part of the outside or inside of said Building, unless of such
character, color, size and material and in such places as shall be first designated by Landlord in writing. A sign painter authorized by Landlord will do such work at Tenant’s expense. 
 5. Tenant will see that the windows are closed and the doors securely locked each day before leaving the Building. Shades shall be of the material, style, form and color
adopted by Landlord for the Building, and no tenant shall put up any that do not conform to such standards. Tenant shall have the right to remove such shades at the expiration of the lease. 

 6. Tenant, their employees or others shall not make or commit any improper noises or disturbances including foul odors of
any kind in the Building, nor smoke in the elevators, mark or defile the elevators, bathrooms or interfere in any way with other tenants or those having business in the Building. Tenants shall be liable for all damage to the Building done by their
employees. Cigar & pipe smoking will not be permitted anywhere in the Building. 
 7. No carpet, rug or other article shall be hung or shaken out of
any window, and nothing shall be thrown by tenants or tenants’ employees nor be allowed by them to drop out of the windows or doors or down the passages or skylights of the Building; and no tenant shall sweep or throw or permit to be swept or
thrown from the Premises any dirt or other substance into any of the corridors or halls, elevators or stairways of the Building, or into any of the light shafts or ventilators thereof. 
 8. No domestic animals shall be kept in or about the Premises. Laboratory rodents and no more than ten (10) rabbits at any one time may be used within the Premises for laboratory purposes only. 
 9. If the tenants desire to introduce signaling, telegraphic, telephonic or other wires and instruments, Landlord will contract with the electricians as to where and how
the same are to be placed; and, without such direction, no placing boring or cutting for wires will be permitted. Landlord retains in all cases the right to require the placing and using of such electrical protecting devices to prevent the
transmission of excessive currents of electricity into or through the Building, to require the changing of wires and of their placing an arrangement underground or otherwise as Landlord may direct, and further to require compliance on the part of
all using or seeking access to such wires with such rules as Landlord may establish thereto; and, in the event of noncompliance by tenants or by those furnishing service by or using such wires or by others with the directions, requirements or rules,
Landlord shall have the right to immediately cut, displace and prevent the use of such wires. Notice requiring such changing of wires and their replacing and rearrangement given by Landlord to any company or individual furnishing service by means of
such wires to any tenant shall be regarded as notice to such tenants and shall take effect immediately. All wires used by tenants must be clearly tagged at the distributing boards and junction boxes and elsewhere in the Building and with the number
of the office to which said wires lead and the purpose for which said wires respectively are used, together with the names of the company operating same. 
 10. A directory in a conspicuous place on the first floor, with the names of tenants, will be provided by Landlord at Landlord’s expense. 
 11. No varnish, stain, paint, linoleum, oil-cloth, rubber or other air-tight covering shall be laid or put upon the floors; nor shall articles be fastened to or holes drilled or nails or screws driven into walls, doors or partitions; nor
shall the walls, doors or partitions be painted, papered or otherwise covered or in any way marked or broken; nor shall any tenant use any other method of heating than that provided by Landlord; without the written consent of Landlord, which consent
shall not be unreasonably withheld. 
 12. Intentionally Deleted. 
 13. The use of rooms as sleeping apartments is prohibited. 

 14. All entrance doors leading from the hallways are to be kept closed at all times. 
 15. Tenants must use designated parking lots only during hours of building operation. Tenant parking is restricted to main lots and is not permitted in any other area
whatsoever including visitor, delivery or fire lane areas. It is expressly prohibited to allow overnight parking (except for ten (10) spaces to be designated by Landlord) or storage of vehicles used by employees or in the course of business
without prior written consent of Landlord. Violation of this parking regulation will result in removal of the vehicle at the sole cost of Tenant. 
 16.
Tenants must adhere to all recycling mandates (as they may be required by local and state laws), and Landlord’s existing established procedure (s). 
 17. No smoking is permitted in the Premises or any other part of the Building. 

 EXHIBIT D 
 COLLEGE PARK AT 
 PRINCETON FORRESTAL CENTER 
 JANITORIAL SPECIFICATIONS 
 General Cleaning 
 Cleaning Services provided five (5) days per week unless otherwise specified. 
 Cleaning hours Monday through Friday, between 6:00 p.m. and before 8:00 a.m. of the following day. 
 On the last day of the week work will be done after 6:00 p.m. Friday, but before 8:00 a.m. Monday. 
 No cleaning on holidays. 
  

	I.	Office Area 

 Furniture and fixtures within reach
will be dusted and desktops will be wiped clean. However, desks with loose papers on top will not be cleaned. 
 Windowsills and baseboards to
be dusted and washed when necessary. 
 Office wastepaper baskets will be emptied. 
 Cartons or refuse in excess of that which can be placed in wastebaskets will not be removed. Tenants are required to place such unusual refuse in
trashcans. 
 Cleaner will not remove or clean tea or coffee cups or similar containers; also, if such liquids are spilled in wastebaskets,
the wastebaskets will be emptied but not otherwise cleaned. All kitchen cleaning by Tenant. 
 Carpets will be vacuumed nightly. 

All tile floors will be vacuumed nightly and wet mopped weekly. 
 Wipe clean all glass, brass and other bright work weekly. 
 Dust all pictures, charts, wall hangings monthly
that are not reached in nightly cleaning. 
 Dust all vertical surfaces to include doors, bucks and partitions monthly. 

 Dust all ventilating louvers and other such installations monthly. 
  

	II.	Lavatories 

 All lavatory floors to be swept and
washed with disinfectant nightly. 
 Tile walls and dividing partitions to be washed and disinfected weekly. 
 Basins, bowls, urinals to be washed and disinfected daily. 
 Mirrors, shelves, plumbing work, bright work, and enamel surfaces cleaned nightly. 
 Waste receptacles will
be emptied and cleaned and wash dispensaries to be filled with appropriate tissues, towels, and soap nightly. 
  

	III.	Main Lobby Elevators. Building Exterior and Corridors 

 Wipe and wash all floors in Main Lobby nightly. 
 Wipe and/or vacuum elevator floor nightly. 
 Polish floors weekly in elevator. 
  

	IV:	All windows interior and exterior will be cleaned once a year. 

  

	V:	Tenant will comply fully with the New Jersey State Recycling Mandates. 

  

	VI:	Tenant is responsible for the cleaning of Tenant’s laboratory area(s).Mutual Termination of Lease Agreement, dated as of February 7, 2006

 EXHIBIT 10.19 
 EXECUTION COPY 
 MUTUAL TERMINATION OF LEASE AGREEMENT 
 This MUTUAL TERMINATION OF LEASE AGREEMENT (hereinafter the “Termination Agreement”) is made and entered into as of the 7th day of February, 2006
(the “Effective Date”), by and between CS FAMILY, LLC, a Georgia limited liability company (hereinafter referred to as “Lessor”), and PHARMASSET, INC., a Delaware corporation (hereinafter referred to
as “Lessee”); 
 WITNESSETH: 
 WHEREAS, Lessor and Pharmasset, Inc., a Georgia corporation (the “Predecessor”) are parties to that certain Lease dated November 1, 1998, as amended by that certain First Amendment to
Lease dated November 4, 2000 (collectively, the “Lease”), covering that certain building situated at 1860 Montreal Road, Tucker, Georgia, consisting of approximately 16,514 rentable square feet of space (the
“Premises”); 
 WHEREAS, Lessee is the successor in interest to the Predecessor pursuant to the merger by the
Predecessor with and into the Lessee on July 23, 2004; and 
 WHEREAS, Lessee took possession of the Premises and has controlled
such space continuously through October 31, 2005; and 
 WHEREAS, Lessee, for independent business reasons, has determined to
relocate its principal place of business, whereby Lessee no longer desires to lease the Premises, and the parties have mutually agreed to terminate the Lease with the termination being effective as of October 31, 2005 (the “Termination
Date”); and 
 WHEREAS, the parties are desirous of setting forth in this document the terms of their agreement for such
mutual termination. 
 NOW, THEREFORE, for and in consideration of the mutual promises and benefits of the parties hereto and in further consideration
of the payment by Lessee to Lessor of the sums as hereinafter provided, the receipt and sufficiency of which consideration are hereby acknowledged, the parties agree as follows: 
 1. Lessee shall, on the Effective Date, pay to Lessor (which payment shall be made to as directed in writing by Lessor) the sum of $1.398 million, as full and final payment for and satisfaction of all amounts
and other obligations due under the Lease, including without limitation all rent payments, Operating Expenses (as such term is defined in the Lease), the costs of all utilities and services, repair and maintenance obligations, liability for damages,
insurance premiums, any capital investment, structural repairs and improvements in the Premises and related costs and expenses, expenses incurred in the removal or destruction, storage, sale or other disposition of any property left on the Premises
after the Termination Date, and all other charges, costs and expenses incurred by Lessor as a result of any use of the Premises by Lessee, and Lessor agrees that Lessee shall hereafter have no further obligations or liabilities involving the payment
of money under the Lease. 

 2. The parties acknowledge and agree that the balance of the security deposit payable to Lessor by Lessee in accordance
with Paragraph 2.3 of the Lease has been applied to reduce the amount of the payment that would have otherwise been required to be made pursuant to Section 1 above. 
 3. The parties acknowledge that Lessee has already moved its operations from the Premises and Lessor has already inspected the Premises after Lessee vacated the Premises. Therefore, Lessee hereby delivers the Premises
to Lessor and Lessor hereby accepts the Premises, as is. Without limiting the foregoing, Lessor hereby acknowledges that Lessor does not elect to have Lessee remove or restore any installations in the Premises pursuant to Paragraph 10.4 of
the Lease. 
 4. Lessor and Lessee represent and warrant to each other and agree as follows: the Lease has not been modified or amended except as set forth
herein; there are no other agreements, understandings, contracts, or commitments of any kind by, between or among such party to this Agreement and any third party with respect to the Lease or the Premises except as expressly provided in the Lease;
such party has not assigned, transferred, sublet or hypothecated its rights, obligations or interests (or any portion thereof) under the Lease; and to the best of such party’s knowledge, neither party is in default under the Lease nor is there
any condition or event which has occurred, which, with the passage of time or the giving of notice or both, would constitute a default or breach under the Lease. 
 5. The parties hereby agree that upon Lessee’s payment to Lessor of the amount set forth in Section 1 above, effective as of the Termination Date, the Lease shall be terminated automatically without further action on the part of
either party hereto. 
 6. Each party irrevocably, unconditionally and completely releases, acquits and forever discharges the other party, and all of
the other party’s members, partners, shareholders, officers, directors, employees, agents, representatives, attorneys, insurers, successors, assigns, predecessors, survivors, trustees, liquidators, subsidiaries and other affiliated entities
(collectively, the “Released Parties”) from any and all Claims and hereby irrevocably, unconditionally and completely waives and relinquishes each and every Claim that such party may have had in the past, may now have or may claim
in the future to have had against the other party; provided, however, notwithstanding anything else to the contrary herein, the Lessor does not release, and hereby expressly reserves any claims that it may have against the Lessee that arise out of ,
or in connection with, or relate to any claims, actions, suits and demands made against the Lessor or the Premises by any other person or entity or that arise out of or in connection with any environmental matter, including but not limited to any
claim, action, suit or demand arising under any applicable federal, state or local laws, statutes, rules, regulations, orders, consent decrees, judgments, permits or licenses relating to prevention, remediation, reduction or control of pollution, or
protection of the environment, natural resources and/or human health and safety; provided, further, that neither party releases, and hereby expressly reserves, any Claims that arise out of or in connection with, or relate to this Termination
Agreement . For purposes hereof, “Claim” means all disputes, claims, suits, controversies, demands, losses, damages, costs and expenses of any kind (including without limitation attorneys’ fees and expenses), debts, liens,
contracts, rights, obligations, agreements, promises, liabilities, actions and causes of action of every kind and nature, known or unknown, fixed or contingent, including, without limitation, any unsuspected or undisclosed claim and any claim or

  

 2 

 
right that may be asserted or exercised by a party in any capacity, in any way relating to or arising out of the Lease or the use of the Premises, except as
otherwise excluded and reserved by Lessor in Paragraph 6 of this Termination Agreement, including without limiting the generality of the foregoing: 
 (i) Each party agrees that it shall assert no claim of default or offset or defense against the payment of rent or other charges payable pursuant to the Lease nor shall it assert any claim under the Lease in regard to the operation or
maintenance of the Premises or any of the property of which the Premises are a part; 
 (ii) Lessor hereby releases any and all liens,
security interests, encumbrances and other rights in or to Lessee’s property, including but not limited to those granted pursuant to Paragraph 21 of the Lease, any other agreement, by operation of law or otherwise; and 
 (iii) Lessor hereby acknowledges that, notwithstanding any provision of the Lease to the contrary, including without limitation Paragraphs 12.1.1, 16.1,
23 and 41 of the Lease, upon payment of the amount set forth in Section 1 above, Lessee shall have no obligation to indemnify Lessor, including without limitation for any losses, costs, expenses and damages which Lessor may suffer by reason of
termination of the Lease, any default by Lessee or its permitted assignee or subtenant under the Lease, any act or negligence of Lessee or any of the Lessee Parties (as such term is defined in the Lease), all claims for damages to persons or
property by reason of the use or occupancy of the Premises, any loss or liability resulting from any delay of Lessee in surrendering the Premises, or any liability or claim (and all expenses, including attorney’s fees, incurred in defending any
such claim or in enforcing such indemnity) for a real estate brokerage commission or similar fee or compensation arising out of or in any way connected with any claimed dealings with Lessee and relating to the Lease or the negotiation thereof.

 7. Each party hereto represents and warrants that (i) this Termination Agreement has been duly authorized, executed and delivered by such party and
constitutes the valid and binding obligation of such party, enforceable in accordance with its terms, (ii) it has full power and authority to enter into this Termination Agreement and to perform its obligations hereunder and (iii) the
person(s) executing this Termination Agreement has been duly authorized and directed to do so. 
 8. Lessee hereby further represents and warrants that

 a. it has paid all of its obligations under the Lease through and including October 31, 2005, including but not limited to those
enumerated in Paragraphs 2, 4, 6, 7 and 9 of the Lease. Further, Lessee shall reasonably cooperate in transferring utility service (e.g. water, electricity, sewer) into the name of the Lessor effective as of Termination Date so as to avoid any
interruption of service. 
 b. it has not encumbered the Premises and at the Termination Date the Premises will be free and clear of all
liens, claims, encumbrances, rights and security interests, except those that have been imposed by Lessor. 
  

 3 

 9. The terms, conditions, covenants, and provisions of this Termination Agreement shall be deemed to be severable. If any
clause or provision herein contained shall be adjudged to be invalid or unenforceable by a court of competent jurisdiction or by operation of any applicable law, it shall not affect the validity of any other clause or provision herein, but the other
clauses or provisions shall remain in full force and effect. 
 10. This Termination Agreement shall be construed in accordance with the provisions of the
laws of the state of Georgia, without regard to the application to conflicts of laws principles. Any claims or disputes arising out of or related to this Termination Agreement shall be brought in the state and federal courts located in Dekalb
County, Georgia. The parties hereby consent to exclusive jurisdiction and venue in the state and federal court in Dekalb County, Georgia, for the resolution of any claims or disputes arising from or related to this Termination Agreement. 

[Signatures begin on the next page.] 
  

 4 

 IN WITNESS WHEREOF, each of the parties have caused this Mutual Termination of Lease Agreement to be executed in
its behalf, respectively, under seal, by its duly authorized corporate officers as of the day and year first above written. 
  

					
	CS FAMILY, LLC, a Georgia limited liability company
			
		 	By:	 	 /s/ Raymond Schinazi

		 	 Title:
	 	 Manager

		 	 Name:
	 	 Raymond F. Schinazi

	
	PHARMASSET, INC., a Delaware corporation
			
		 	By:	 	 /s/ Kurt Leutzinger

		 	 Title:
	 	 Chief Financial Officer

		 	 Name:
	 	 Kurt Leutzinger

  

 5

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