Document:

Exhibit 10.1

 

FOURTH AMENDMENT TO LEASE

 

THIS FOURTH AMENDMENT
TO LEASE (this “Amendment”) is entered into as of this 31st day of March, 2017, by and between BMR-9920
BELWARD CAMPUS DRIVE, LLC, a Delaware limited liability company (“Landlord,” as successor-in-interest to GP
ROCK ONE, L.L.C, a Rhode Island limited liability company), and NOVAVAX, INC., a Delaware corporation (“Tenant”).

 

RECITALS

 

A.               
WHEREAS, Landlord and Tenant are parties to that certain Lease dated as of May 7, 2007 (the “Original Lease”),
as amended by that certain First Amendment to Lease dated as of May 30, 2008 (the “First Amendment”), as further
amended by that certain Second Amendment to Lease dated as of June 26, 2008 (the “Second Amendment”), and as
further amended by that certain Third Amendment to Lease dated as of February 29, 2016 (the “Third Amendment”)
(collectively, and as the same may have been further amended, amended and restated, supplemented or modified from time to time,
the “Existing Lease”), whereby Tenant leases certain premises from Landlord at 9920 Belward Drive in Rockville,
Maryland (the “Building”) located on the Land (as defined in the Original Lease) (the Land and the Building
being collectively referred to herein as the “Premises”);

 

B.                
WHEREAS, Landlord and Tenant desire to make certain modifications to the maintenance and repair responsibilities of the
parties; and

 

C.                
WHEREAS, Landlord and Tenant desire to modify and amend the Existing Lease only in the respects and on the conditions hereinafter
stated.

 

AGREEMENT

 

NOW, THEREFORE, Landlord
and Tenant, in consideration of the mutual promises contained herein and for other good and valuable consideration, the receipt
and sufficiency of which are hereby acknowledged, and intending to be legally bound, agree as follows:

 

1.                 
Definitions. For purposes of this Amendment, capitalized terms shall have the meanings ascribed to them in the Existing
Lease unless otherwise defined herein. The Existing Lease, as amended by this Amendment, is referred to collectively herein as
the “Lease.” From and after the date hereof, the term “Lease,” as used in the Existing Lease, shall
mean the Existing Lease, as amended by this Amendment.

 

2.                 
Repairs and Maintenance.

 

2.1.           
   Notwithstanding anything in the Existing Lease to the contrary (including without limitation, Article 3 of the Addendum
to the Original Lease and Section 6 of the Third Amendment), effective as of April 1, 2017, Landlord shall be responsible
for repairing and maintaining certain elements of the Premises limited to the exterior structural portions of the Premises; the
roofing and covering materials including performing roof surveys; foundations; exterior walls and facade; all landscaping, sidewalks
and parking areas contained in or about the Premises; snow removal (but not trash removal); exterior washing of windows; exterior
window repair; exterior lighting including parking lot lighting; and exterior signage at the Premises (but excluding signage installed
or affixed by Tenant pursuant to Section 27 of the Original Lease, which shall be Tenant’s responsibility). The costs associated
with such repairs and maintenance shall be included in Operating Expenses (defined below). Landlord shall continue to be responsible
for performing all necessary capital repairs and replacements involving the structural components of the base building and the
parking areas as described in Section 6 of the Third Amendment, and such expenditures shall in each case be amortized over the
useful life thereof in accordance with generally accepted accounting principles and included in Operating Expense and only the
portion attributable to the calendar year shall be included in the Operating Expenses for the calendar year. Except as expressly
provided in this Section 2 or elsewhere in the Lease, Landlord shall not be required to maintain or make any repairs or
replacements or provide any services of any nature or description whatsoever to the Premises during the Term.

 

     

     

    

 

2.2               Notwithstanding
anything in the Existing Lease to the contrary (including without limitation, Article 3 of the Addendum to the Original
Lease and Section 6 of the Third Amendment), effective as of April 1, 2017, in no event shall Tenant’s obligation
to repair the Premises extend to (i) repairs necessitated in whole or in part by the gross negligence or willful misconduct of
Landlord or its agents, employees or contractors; (ii) repairs for which Landlord is responsible hereunder; or (iii) repairs required
as a result of Landlord’s failure to make repairs for which it is responsible under this Amendment. Further, notwithstanding
anything in the Lease to the contrary, if any capital repairs or replacements by Landlord are necessitated because Tenant’s
gross negligence prior to April 1, 2017, then such expenditures shall be included in Operating Expenses and amortized over the
remaining Term of the Lease

 

3.                 Operating Expenses. 

 

3.1               As used herein, the term “Operating Expenses”
shall include:

 

		(a)	All actual costs and expenses actually incurred by Landlord during any calendar year in maintaining
or repairing the Premises to the extent of Landlord’s maintenance and repair obligations under the Lease, as determined by
Landlord in accordance with generally accepted accounting principles to the extent applicable, and otherwise in accordance with
an accounting system established and regularly applied by Landlord. Such cost and expenses shall include costs of repairs and replacements
to improvements within the Premises as appropriate to maintain the Premises as required hereunder; exterior cleaning, including
windows; maintenance of landscaping and grounds; snow removal; maintenance of drives and parking areas; maintenance of the roof;
building supplies; maintenance or replacement of equipment utilized for operation and maintenance of the Premises (reasonably allocated
by Landlord if utilized for operation and maintenance of other properties); license, permit and inspection fees; sales, use and
excise taxes on goods and services purchased by Landlord in connection with the operation, maintenance or repair of the Premises
and equipment as appropriate to maintain the Premises as required hereunder; telephone, postage, stationery supplies and other
expenses incurred in connection with the operation, maintenance or repair of the Premises as appropriate to maintain the Premises
as required hereunder; costs of landscaping supplies, snow removal and other customary and ordinary items of personal property
provided by Landlord for repair and maintenance; capital expenditures (i.e., capital repairs and replacements), in connection with
Landlord’s repair and maintenance responsibilities under the Lease, in each case amortized over the useful life thereof in
accordance with generally accepted accounting principles; costs of complying with applicable laws and regulations; service contracts;
costs of services of independent contractors retained to do work of a nature referenced above; and costs of compensation (including
employment taxes and fringe benefits) of all persons who perform regular and recurring duties connected with the day-to-day operation
and maintenance of the Premises, its equipment, the adjacent walks, landscaped areas, drives and parking areas, including window
washers, gardeners, sweepers, plow truck drivers, handymen, and engineering/maintenance/facilities personnel.

 

 

    	 	2	 

     

    

 

		(b)	Notwithstanding the foregoing, Operating Expenses shall not include any net income, franchise,
capital stock, estate or inheritance taxes imposed on Landlord, or taxes that are the personal obligation of Tenant; payments of
principal and interest on any mortgages; leasing commissions; advertising for vacant space in the Premises; judgments against Landlord
or the Premises and cost relating to (i) disputes with third parties including Tenant, tenants, prospective tenants or other occupants
of the Building; (ii) disputes with purchasers, potential purchasers, mortgagees or prospective mortgagees of the Building or Premises;
or (iii) negotiations of leases, contracts of sale or mortgages; costs in the nature of penalties or fines if Tenant is then current
in the payment of all Rent due under this Lease; costs of repairs to the extent reimbursed by governmental authorities or payment
of insurance proceeds received by Landlord; costs of compensation of persons who do not perform
regular and recurring duties connected with the day-to-day operation and maintenance of the Premises, its equipment, the adjacent
walks, landscaped areas, drives and parking areas; depreciation claimed by Landlord for tax
purposes (provided that this exclusion of depreciation is not intended to delete from Operating Expenses actual costs of
repairs and replacements in regard thereto that are provided for in Subsection 3.1(a) hereof); costs expressly excluded
from Operating Expenses elsewhere in the Lease or that are charged to or paid by Tenant under other provisions of the Lease; professional
fees and disbursements and other costs and expenses related to the ownership (as opposed to the operation, maintenance or repair)
of the Premises; costs for services, supplies or repairs paid to any related entity in excess of costs that would be payable in
an “arm's length” or unrelated situation for comparable services, supplies or repairs; allowances, concessions or other
costs and expenses of improving or decorating any demised or demisable space in the Building; any costs or expenses (including
fines, interest, penalties and legal fees) arising out of Landlord’s or any other tenant’s breach of any lease, including
this Lease or Landlord’s failure to timely pay operating expenses or real estate taxes if Tenant is then current in the payment
of all Rent due under this Lease; any costs actually reimbursed under any service contracts or under the warranty of any general
contractor, subcontractor or supplier and realized by Landlord; reserves for repairs, maintenance and replacements; costs of repairs
incurred by reason of fire (other than for any reasonable deductible) or other casualty or condemnation not caused through the
negligence of Tenant, and any item that, if included in Operating Expenses, would involve a double collection for such item by
Landlord. For clarity, Tenant shall continue to pay Taxes (as defined in the Existing Lease) in accordance with Article 1 of the
Addendum to the Original Lease.

 

    	 	3	 

     

    

 

3.2       Tenant
shall pay to Landlord on the first day of each calendar month of the Term, commencing on April 1, 2017, as Additional Rent, Landlord’s
estimate of Tenant’s Proportionate Share (as defined in the Original Lease) of Operating Expenses with respect to the Building
and the Premises, as applicable, for such month. For clarity, Tenant’s Proportionate Share is one hundred percent (100%).

 

3.3       Within
ninety (90) days after the conclusion of each calendar year (or such longer period as may be reasonably required by Landlord),
Landlord shall furnish to Tenant a statement showing in reasonable detail the actual Operating Expenses and Tenant’s Proportionate
Share of Operating Expenses (“Landlord’s Statement”). Any additional sum due from Tenant to Landlord shall
be due and payable within thirty (30) days after receipt of an invoice therefor. If the amounts paid by Tenant pursuant to this
Section exceed Tenant’s Proportionate Share of Operating Expenses for the previous calendar year, then Landlord shall credit
the difference against the Rent next due and owing from Tenant; provided that, if the Lease term has expired, Landlord shall
accompany Landlord’s Statement with payment for the amount of such difference. Landlord’s annual statement shall be
final and binding upon Tenant unless Tenant, within ninety (90) days after Tenant’s receipt thereof, shall contest any item
therein by giving written notice to Landlord, specifying each item contested and the reasons therefor. If, during such ninety (90)-day
period, Tenant reasonably and in good faith questions or contests the correctness of Landlord’s Statement, Landlord shall
provide Tenant with reasonable access to Landlord’s books and records to the extent relevant to determination of Operating
Expenses for the calendar year. In the event that, after Tenant’s review of such information, Landlord and Tenant cannot
agree upon the amount of Tenant’s Proportionate Share of Operating Expenses, then Tenant shall have the right, at Tenant’s
expense, to retain a Qualified Consultant (as hereinafter defined), to examine the books and records of Landlord relating to the
determination of Operating Expenses for such year at reasonable times during normal business hours, so that Tenant can determine
that Tenant's share of Operating Expenses have, in fact, been paid or incurred and accurately applied by Landlord. The term "Qualified
Consultant" shall mean an independent, certified public accounting firm or auditing firm, which firm is reasonably approved
by Landlord and is retained by Tenant on other than a contingent fee basis. The parties shall endeavor to agree promptly and reasonably
upon Operating Expenses taking into account the results of such Qualified Consultant review and if, as of the date that is thirty
(30) days after Tenant has submitted the Qualified Consultant review to Landlord, the parties have not agreed on the appropriate
adjustments to Operating Expenses, then the parties shall engage a mutually agreeable independent third party accountant with at
least ten (10) years’ experience in commercial real estate accounting in the Washington, D.C. area (the “Accountant”).
If the parties cannot agree on the Accountant, each shall within ten (10) days after such impasse appoint an Accountant (different
from the accountant and accounting firm that conducted the Independent Review) and, within ten (10) days after the appointment
of both such Accountants, those two Accountants shall select a third (which cannot be the accountant and accounting firm that conducted
the Independent Review). If either party fails to timely appoint an Accountant, then the Accountant the other party appoints shall
be the sole Accountant. Within ten (10) days after appointment of the Accountant(s), Landlord and Tenant shall each simultaneously
give the Accountants (with a copy to the other party) its determination of Operating Expenses, with such supporting data or information
as each submitting party determines appropriate. Within ten (10) days after such submissions, the Accountants shall by majority
vote select either Landlord’s or Tenant’s determination of Operating Expenses. The Accountants may not select or designate
any other determination of Operating Expenses. The determination of the Accountant(s) shall bind the parties. If the Qualified
Consultant review reveals or the Accountant(s) determine that the Operating Expenses billed to Tenant by Landlord and paid by Tenant
to Landlord for the applicable calendar year in question exceeded by more than five percent (5%) what Tenant should have been billed
during such calendar year, then Landlord shall pay the reasonable cost of the Qualified Consultant review and the Accountants.
In all other cases, Tenant shall pay the cost of the Qualified Consultant review and the Accountants. Pending determination of
any dispute, Tenant shall pay all amounts due pursuant to the disputed statement, but such payments shall be without prejudice
to Tenant's position. If it is determined that there was an overpayment on the part of Tenant, then Tenant shall be entitled to
a credit on subsequent Rent payment(s) next coming due in an amount equal to such credit, or if the Term has expired or been terminated,
Landlord shall pay the amount of any such credit to Tenant within thirty (30) days after determination of the results. If it is
determined that there was an underpayment by Tenant, then Tenant shall pay the deficiency to Landlord within thirty (30) days after
determination of such results.

 

    	 	4	 

     

    

 

3.4       Landlord
or an affiliate(s) of Landlord currently own other property(ies) adjacent to the Premises or its neighboring properties (collectively,
“Neighboring Properties”). In connection with Landlord performing services for the Premises pursuant to this
Lease, similar services may be performed by the same vendor(s) for Neighboring Properties. In such a case, Landlord shall reasonably
allocate to each Building or Premises the costs for such services based upon the ratio that the square footage of the Building
or Premises (as applicable) bears to the total square footage of all of the Neighboring Properties or buildings within the Neighboring
Properties for which the services are performed, unless the scope of the services performed for any building or property (including
the Building and the Premises) is disproportionately more or less than for others, in which case Landlord shall equitably allocate
the costs based on the scope of the services being performed for each building or property (including the Building and the Premises).

 

    	 	5	 

     

    

 

3.5       Operating
Expenses for the calendar year in which Tenant’s obligation to share therein commences and for the calendar year in which
such obligation ceases shall be prorated as described in this Section. Tenant’s responsibility for Operating Expenses shall
continue to the latest of (a) the date of termination of the Lease, (b) the date Tenant has fully vacated the Premises or (c) if
termination of the Lease is due to a default by Tenant, the date of rental commencement of a replacement tenant or the date the
Lease would have expired on its own terms, whichever is earlier. Any amount due under this Article 3 for any period that
is less than a full month shall be prorated for such fractional month on the basis of the number of days in the month.

 

4.         Broker. Tenant represents and warrants that it has not dealt with any broker or agent in the negotiation for or the
obtaining of this Amendment and agrees to reimburse, indemnify, save, defend (at Landlord’s option and with counsel reasonably
acceptable to Landlord, at Tenant’s sole cost and expense) and hold harmless Landlord and its affiliates, employees, agents,
contractors, lenders, and mortgagees for, from and against any and all cost or liability for compensation claimed by any such broker
or agent employed or engaged by it or claiming to have been employed or engaged by it.

 

5.         No Default. Each party represents, warrants and covenants that, to the best of its knowledge, neither Landlord nor
Tenant is in default of any of its respective obligations under the Existing Lease and no event has occurred that, with the passage
of time or the giving of notice (or both) would constitute a default by either Landlord or Tenant thereunder.

 

6.         Notices. Tenant confirms that, notwithstanding anything in the Lease to the contrary, notices delivered to Tenant
pursuant to the Lease should be sent to:

 

Novavax, Inc.

20 Firstfield Road

Rockville, Maryland 20878

Attention: General Counsel

 

7.         Effect of Amendment. Except as modified by this Amendment, the Existing Lease and all the covenants, agreements,
terms, provisions and conditions thereof shall remain in full force and effect and are hereby ratified and affirmed. In the event
of any conflict between the terms contained in this Amendment and the Existing Lease, the terms herein contained shall supersede
and control the obligations and liabilities of the parties.

 

8.         Successors and Assigns. Each of the covenants, conditions and agreements contained in this Amendment shall inure
to the benefit of and shall apply to and be binding upon the parties hereto and their respective heirs, legatees, devisees, executors,
administrators and permitted successors and assigns and sublessees. Nothing in this section shall in any way alter the provisions
of the Lease restricting assignment or subletting.

 

    	 	6	 

     

    

 

9.         Miscellaneous. This Amendment becomes effective only upon execution and delivery hereof by Landlord and Tenant. The
captions of the paragraphs and subparagraphs in this Amendment are inserted and included solely for convenience and shall not be
considered or given any effect in construing the provisions hereof. All exhibits hereto are incorporated herein by reference. Submission
of this instrument for examination or signature by Tenant does not constitute a reservation of or option for a lease, and shall
not be effective as a lease, lease amendment or otherwise until execution by and delivery to both Landlord and Tenant.

 

10.       Authority. Tenant guarantees, warrants and represents that the individual or individuals signing this Amendment have
the power, authority and legal capacity to sign this Amendment on behalf of and to bind all entities, corporations, partnerships,
limited liability companies, joint venturers or other organizations and entities on whose behalf such individual or individuals
have signed.

 

11.       Counterparts; Facsimile and PDF Signatures. This Amendment may be executed in one or more counterparts, each of which,
when taken together, shall constitute one and the same document. A facsimile or portable document format (PDF) signature on this
Amendment shall be equivalent to, and have the same force and effect as, an original signature.

 

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    	 	7	 

     

    

 

IN WITNESS WHEREOF,
Landlord and Tenant have executed this Amendment as of the date and year first above written.

 

LANDLORD:

 

BMR-9920 BELWARD CAMPUS DRIVE LLC,

a Delaware limited liability company

 

 

	By:	/s/ Marie Lewis	 
	Name:	Marie Lewis	 
	Title:	VP, Legal	 
	 	 	 
	TENANT:	 
	 	 
	NOVAVAX, INC.,	 
	a Delaware corporation	 
	 	 
	 	 	 
	By:	/s/ John A. Herrmann III	 
	Name:	John A. Herrmann III	 
	Title:	SVP, General CounselExhibit 10.2

 

SECOND AMENDMENT TO DEED OF LEASE

 

THIS SECOND AMENDMENT
TO DEED OF LEASE (this “Amendment”) is entered into as of this 31st day of March, 2017 (the “Execution
Date”), by and between BMR-FIRSTFIELD LLC, a Delaware limited liability company (“Landlord,” as successor-in-interest
to FIRSTFIELD HOLDCO, LLC, a Delaware limited liability company), and NOVAVAX, INC., a Delaware corporation (“Tenant”).

 

RECITALS

 

A.               
WHEREAS, Landlord and Tenant are parties to that certain Deed of Lease dated as of February 4, 2015 (the “Original
Lease”), as amended by that certain First Amendment to Deed of Lease dated as of August 17, 2015 (collectively, and as
the same may have been further amended, amended and restated, supplemented or modified from time to time, the “Existing
Lease”), whereby Tenant leases certain premises (the “Premises”) from Landlord at 21 Firstfield Road,
Gaithersburg, Maryland (the “Building”);

 

B.                
WHEREAS, Landlord and Tenant desire to modify certain repair and maintenance responsibilities of the parties; and

 

C.                
WHEREAS, Landlord and Tenant desire to modify and amend the Existing Lease only in the respects and on the conditions hereinafter
stated.

 

AGREEMENT

 

NOW, THEREFORE, Landlord
and Tenant, in consideration of the mutual promises contained herein and for other good and valuable consideration, the receipt
and sufficiency of which are hereby acknowledged, and intending to be legally bound, agree as follows:

 

1.                 
Definitions. For purposes of this Amendment, capitalized terms shall have the meanings ascribed to them in the Existing
Lease unless otherwise defined herein. The Existing Lease, as amended by this Amendment, is referred to collectively herein as
the “Lease.” From and after the date hereof, the term “Lease,” as used in the Existing Lease, shall
mean the Existing Lease, as amended by this Amendment.

 

2.                 
Landlord’s Obligation to Maintain Base Building. Notwithstanding anything in the Existing Lease to the contrary
(including without limitation Section 7.B of the Original Lease), effective as of April 1, 2017, Landlord’s obligation under
Section 7.B of the Original Lease to use commercially reasonable efforts to maintain certain elements of the Building shall be
limited to the exterior structural portions of the Building; roofing and covering materials including performing roof surveys;
foundations; exterior demising walls and facade; all landscaping, sidewalks and parking areas contained in or about the Project;
snow removal; exterior washing of windows; exterior window repair; exterior lighting including parking lot lighting; exterior signage
at the Project (but excluding Tenant’s Exterior Signage (as defined in the Original Lease) which shall be Tenant’s
responsibility). Accordingly, from and after April 1, 2017, Operating Expenses (as defined in the Original Lease) shall not include
any costs that are charged to or paid by Tenant under other provisions of this Lease, including, without limitation, costs paid
by Tenant under Section 3 of this Amendment.

 

     

     

    

 

 

3.          Tenant’s Maintenance Obligations. Notwithstanding anything in the Existing Lease to the contrary, effective
as of April 1, 2017, in addition to Tenant’s maintenance obligations under Section 7.A. of the Original Lease, Tenant shall,
at its sole cost and expense and subject to the last sentence of Section 7.A. of the Original Lease, maintain, repair and keep
in good condition the interior structural portions of the Building; the interior common areas that form a part of the Building;
the Building’s operating systems (including, but not limited to, Building mechanical, electrical, life safety, heating, ventilation,
air-conditioning, plumbing, pipes and conduits); the Generator; and those portions of the Project serving the foregoing equipment
or systems, except for those obligations that are expressly designated as Landlord’s responsibility under the Lease. In connection
with the foregoing, Tenant shall make all repairs to the Project, structural and nonstructural, ordinary or extraordinary, foreseen
or unforeseen as may be necessary to maintain the Project in a standard which is at least equal to the standard of comparable office/laboratory
buildings located in Gaithersburg, Maryland, taking into account the size, age, class, location and method of construction of the
Building and such other buildings; provided, however, this Section 3 only relates to repairs and maintenance arising in
the ordinary course of operation of the Project, and in the event of a casualty or taking, Sections 16 and 18 of the Original Lease,
respectively, shall apply; and provided further, Tenant shall not be required to replace the Building’s operating
systems or make any other capital expenditures related to the Building or Project; such obligations shall remain the responsibility
of Landlord under the Lease.

 

3.1        Landlord
shall have the ongoing right to inspect, perform maintenance audits (not to exceed twice per calendar year) and contract for an
independent facility condition assessment (not to exceed once every three (3) calendar years) to monitor Tenant’s maintenance
and repair obligations under this Lease, the reasonable costs of which may be included in Operating Expenses. Landlord shall have
the right to review Tenant’s certification records or maintenance records upon Landlord’s written request (but not
to exceed once per calendar year). All repairs made by Tenant shall be at least equal in quality to the original work, and shall
be made only by a licensed, bonded (if required by Landlord in its sole discretion) contractor approved in advance by Landlord,
which approval shall not be unreasonably withheld, delayed or conditioned to the extent provided in Section 8.B. of the Original
Lease; provided, however, that such contractor need not be bonded or approved by Landlord if the non-structural repairs
to be performed do not exceed Fifty Thousand Dollars ($50,000) in value. Landlord may impose reasonable restrictions and requirements
with respect to any repairs which require Landlord approval.

 

3.2       Tenant
shall, at Tenant’s sole cost and expense, procure and maintain contracts, in customary form and substance for, and with contractors
specializing and experienced in, the maintenance of the following equipment and improvements, if any, if and when installed on
the Project: (a) heating, ventilating and air conditioning equipment, (b) boilers and pressure vessels, (c) fire extinguishing
systems, including fire alarm and smoke detection devices, (d) clarifiers, (e) basic utility feeds to the perimeter of the Building
and (f) any other equipment serving the interior reasonably required by Landlord. All such vendors shall be subject to Landlord’s
approval, which shall not be unreasonably withheld, delayed or conditioned. Tenant shall provide copies of any vendor contracts
(or, at a minimum, the scope of work under any vendor contracts) to Landlord promptly after execution thereof. Tenant shall use
commercially reasonable efforts to enter into contracts that provide for termination upon thirty (30) days’ notice.

 

 

    	 	2	 

     

    

 

3.3               In
the event Tenant Defaults (as defined in the Existing Lease) in any of its maintenance or repair obligations under the Lease, Landlord
may, at its option, exercise Landlord’s right to cure as specifically provided under Section 19.H of the Original Lease.

 

4.                 
Broker. Tenant represents and warrants that it has not dealt with any broker or agent in the negotiation for or the
obtaining of this Amendment and agrees to reimburse, indemnify, save, defend (at Landlord’s option and with counsel reasonably
acceptable to Landlord, at Tenant’s sole cost and expense) and hold harmless Landlord and its affiliates, employees, agents,
contractors, lenders, and mortgagees for, from and against any and all cost or liability for compensation claimed by any such broker
or agent employed or engaged by it or claiming to have been employed or engaged by it.

 

5.                 
No Default. Each party represents, warrants and covenants that, to the best of its knowledge, neither Landlord nor
Tenant is in default of any of its respective obligations under the Existing Lease and no event has occurred that, with the passage
of time or the giving of notice (or both) would constitute a default by either Landlord or Tenant thereunder.

 

6.                 
Notices. Tenant confirms that, notwithstanding anything in the Lease to the contrary, notices delivered to Tenant
pursuant to the Lease should be sent to:

 

Novavax, Inc.

20 Firstfield Road

Gaithersburg, MD 20878

Attention: General Counsel

 

7.                 
Effect of Amendment. Except as modified by this Amendment, the Existing Lease and all the covenants, agreements,
terms, provisions and conditions thereof shall remain in full force and effect and are hereby ratified and affirmed. In the event
of any conflict between the terms contained in this Amendment and the Existing Lease, the terms herein contained shall supersede
and control the obligations and liabilities of the parties.

 

8.                 
Successors and Assigns. Each of the covenants, conditions and agreements contained in this Amendment shall inure
to the benefit of and shall apply to and be binding upon the parties hereto and their respective heirs, legatees, devisees, executors,
administrators and permitted successors and assigns and sublessees. Nothing in this section shall in any way alter the provisions
of the Lease restricting assignment or subletting.

 

9.                 
Miscellaneous. This Amendment becomes effective only upon execution and delivery hereof by Landlord and Tenant. The
captions of the paragraphs and subparagraphs in this Amendment are inserted and included solely for convenience and shall not be
considered or given any effect in construing the provisions hereof. All exhibits hereto are incorporated herein by reference. Submission
of this instrument for examination or signature by Tenant does not constitute a reservation of or option for a lease, and shall
not be effective as a lease, lease amendment or otherwise until execution by and delivery to both Landlord and Tenant.

 

    	 	3	 

     

    

 

 

10.             
Authority. Tenant guarantees, warrants and represents that the individual or individuals signing this Amendment have
the power, authority and legal capacity to sign this Amendment on behalf of and to bind all entities, corporations, partnerships,
limited liability companies, joint venturers or other organizations and entities on whose behalf such individual or individuals
have signed.

 

11.             
Counterparts; Facsimile and PDF Signatures. This Amendment may be executed in one or more counterparts, each of which,
when taken together, shall constitute one and the same document. A facsimile or portable document format (PDF) signature on this
Amendment shall be equivalent to, and have the same force and effect as, an original signature.

 

[REMAINDER OF THIS PAGE INTENTIONALLY LEFT
BLANK]

 

    	 	4	 

     

    

 

IN WITNESS WHEREOF,
Landlord and Tenant have executed this Amendment as of the date and year first above written.

 

 

	WITNESS:	 	LANDLORD:
	 	 	 
	 	 	 	BMR-FIRSTFIELD LLC,
	 	 	 	a Delaware limited liability company
	 	 	 	 	 
	By:	/s/ A.S.	 	By:	/s/ Marie Lewis
	 	 	 	Name:	Marie Lewis
	 	 	 	Title:	VP, Legal
	 	 	 	 	 
	 	 	 	 	 
	ATTEST:	 	TENANT:
	 	 	 
	[Corporate seal]	 	NOVAVAX, INC.,
	 	 	 	a Delaware corporation
	 	 	 	 	 
	By:	/s/ Jonathan Wallinger	 	By:	/s/ John A. Herrmann III
	Name:	Jonathan Wallinger	 	Name:	John A. Herrmann III
	Title:	Senior Counsel	 	Title:	SVP, General Counsel

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