Document:

Exhibit 10.6

 

Novavax
RESTRICTED STOCK AGREEMENT

 

This
Restricted Stock Agreement (“Agreement”) is made as of [•]
by and between Novavax, Inc., a Delaware corporation (“Company”),
and [•] (“Stockholder”).

 

Whereas,
the Company desires to issue, and Stockholder desires to acquire, stock of the Company as herein described, on the terms and conditions
hereinafter set forth;

 

Whereas,
the issuance of common stock hereby is pursuant to Section 8(a) of the Company’s 2005 Stock Incentive Plan (“Plan”),
which is a compensatory benefit arrangement for the employees, officers, directors, consultants and advisors of the Company.

 

Now,
Therefore, It Is Agreed between the parties as follows:

 

1.Issuance
of Stock. The Company hereby agrees to issue to Stockholder, and Stockholder agrees to accept, an aggregate of [•]
shares of the Common Stock of the Company (the “Stock”), having a value as determined by the Board
of Directors of the Company of $[•] per share (for
an aggregate value of $[•]), in exchange for Stockholder’s
past services and/or expected provision of future services on behalf of the Company or its affiliated entities. Delivery of the
Stock shall occur electronically following the execution of this Agreement, or at such other time and place as the parties may
mutually agree.

 

2.Risk
of Forfeiture

 

(a)With
respect to Stock that has vested pursuant to Section 2(b), if Stockholder ceases to be employed (as an employee, consultant or
director as further described in Section 2(b)) by the Company and its subsidiaries for any reason, including but not limited to
death or disability, all then-outstanding and unvested Stock acquired by Stockholder hereunder shall be automatically and immediately
forfeited. Stockholder, or Stockholder’s personal representative as the case may be, hereby (i) appoints the Company as the
attorney-in-fact of the undersigned to take such actions as may be necessary or appropriate to effectuate a transfer of the record
ownership, at no cost to the Company, of any such shares that are unvested and forfeited hereunder, (ii) agrees to deliver to the
Company, as a precondition to the issuance of any certificate(s) of Stock, one or more stock powers, endorsed in blank, with respect
to such Stock, and (iii) agrees to take such other actions as the Company may reasonably request to accomplish the transfer or
forfeiture of any such Stock hereunder.

 

(b)On the
date that is one (1) year after the “Vesting Commencement Date” (as set forth on the signature page to
this Agreement), 25% equal to [•] shares of Stock shall
vest, and such vesting will continue on each anniversary thereafter for the next three years at 25% per year. In order for the
Stock to vest on a particular vesting installment date, the Stockholder must have been and must be an employee, director or consultant
of the Company or a parent or subsidiary of the Company continuously until such vesting installment date. By way of example, if
an employee terminates and immediately thereafter becomes a consultant of the company, such individual will be deemed to have a
continuous qualifying role with the Company. Accordingly, all of the Stock shall vest as of the anniversary of the Vesting Commencement
Date. The final vesting installment may cover additional shares to take into account any fractional shares.

 

    	 

    	 

    

 

3.Adjustments
to Stock. If, from time to time, prior to full vesting, there is any change
affecting the Company’s outstanding Common Stock as a class that is effected without the receipt of consideration by the
Company (through merger, consolidation, reorganization, reincorporation, stock dividend, dividend in property other than cash,
stock split, liquidating dividend, combination of shares, change in corporation structure or other transaction not involving the
receipt of consideration by the Company), then any and all new, substituted or additional securities or other property to which
Stockholder is entitled by reason of Stockholder’s ownership of Stock shall be immediately subject to vesting hereunder and
be included in the word “Stock” for all purposes of this Agreement with the same force and effect as
the shares of the Stock presently subject to vesting.

 

4.Escrow
of Unvested Stock. As security for Stockholder’s faithful performance of the terms of this Agreement and to insure
the availability for delivery of Stockholder’s Stock, Stockholder agrees, at the closing hereunder, to deliver to and deposit
with the Secretary of the Company or the Secretary’s designee (“Escrow Agent”), as Escrow Agent
in this transaction, three (3) stock assignments duly endorsed (with date and number of shares blank) in a form attached hereto
as Exhibit A, together with a certificate or certificates evidencing all of the Stock subject to vesting; said documents are
to be held by the Escrow Agent and delivered by said Escrow Agent pursuant to the Joint Escrow Instructions of the Company and
Stockholder set forth in Exhibit B attached hereto and incorporated by this reference, which instructions shall also be delivered
to the Escrow Agent at the closing hereunder. Stockholder hereby acknowledges that the Secretary of the Company, or the Secretary’s
designee, is so appointed as the Escrow Agent. Stockholder agrees that the Escrow Agent shall not be liable to any party hereof
(or to any other party), and may rely upon any letter, notice or other document executed by any signature purported to be genuine
and may resign at any time. Stockholder agrees that if the Secretary of the Company, or the Secretary’s designee, resigns
as Escrow Agent for any or no reason, the Board of Directors of the Company shall have the power to appoint a successor to serve
as Escrow Agent pursuant to the terms of this Agreement. Stockholder agrees that if the Secretary of the Company resigns as Secretary,
the successor Secretary shall serve as Escrow Agent pursuant to the terms of this Agreement.

 

5.Rights
of Stockholder. Subject to the provisions of Sections 6, 8, 12 and 13 herein, Stockholder shall exercise all rights
and privileges of a shareholder of the Company with respect to the Stock deposited in escrow. Stockholder shall be deemed to be
the holder for purposes of receiving any dividends that may be paid with respect to such shares of Stock and for the purpose of
exercising any voting rights relating to such shares of Stock, even if some or all of such shares of Stock have not yet vested.

 

6.Limitations
on Transfer. In addition to any other limitation on transfer created by applicable securities laws, Stockholder shall
not assign, hypothecate, donate, encumber or otherwise dispose of any interest in the Stock while the Stock is not fully vested.
After any Stock has been fully vested, Stockholder shall not assign, hypothecate, donate, encumber or otherwise dispose of any
interest in the Stock except in compliance with the provisions herein and applicable securities laws. During the period of time
during which the Stockholder holds the Common Stock, the value of the Common Stock may increase or decrease, and any risk associated
with such Common Stock and such fluctuation in value shall be borne by the Stockholder.

 

    	2.

    	 

    

 

7.Restrictive
Legends. All certificates representing the Stock shall have endorsed thereon legends in substantially the following
forms (in addition to any other legend which may be required by other agreements between the parties hereto):

 

(a)“THE
SHARES REPRESENTED BY THIS CERTIFICATE ARE SUBJECT TO AN OPTION SET FORTH IN AN AGREEMENT BETWEEN THE COMPANY AND THE REGISTERED
HOLDER, OR SUCH HOLDER’S PREDECESSOR IN INTEREST, A COPY OF WHICH IS ON FILE AT THE PRINCIPAL OFFICE OF THE COMPANY. ANY
TRANSFER OR ATTEMPTED TRANSFER OF ANY SHARES SUBJECT TO SUCH OPTION IS VOID WITHOUT THE PRIOR EXPRESS WRITTEN CONSENT OF THE COMPANY.”

 

(b)Any legend
required by Company officials.

 

8.Investment
Representations. In connection with the issuance of the Stock, Stockholder represents to the Company the following:

 

(a)Stockholder
is aware of the Company’s business affairs and financial condition and has acquired sufficient information about the Company
to reach an informed and knowledgeable decision to acquire the Stock. Stockholder is acquiring the Stock for investment for Stockholder’s
own account only and not with a view to, or for resale in connection with, any “distribution” thereof
within the meaning of the Act.

 

Stockholder is familiar
with the provisions of Rule 144, under the Securities Act of 1933, as in effect from time to time, which, in substance, permit
limited public resale of “restricted securities” acquired, directly or indirectly, from the issuer thereof
(or from an affiliate of such issuer), in a non-public offering subject to the satisfaction of certain conditions. The Stock may
be resold by Stockholder in certain limited circumstances subject to the provisions of Rule 144, which requires, among other things:
(i) the availability of certain public information about the Company and (ii) the resale occurring following the required holding
period under Rule 144 after the Stockholder has acquired, and made full payment of (within the meaning of Rule 144), the securities
to be sold.

 

(b)Stockholder
further understands that at the time Stockholder wishes to sell the Stock there may be no public market upon which to make such
a sale, and that, even if such a public market then exists, the Company may not be satisfying the current public information requirements
of Rule 144, and that, in such event, Stockholder would be precluded from selling the Stock under Rule 144 even if the minimum
holding period requirement had been satisfied.

 

    	3.

    	 

    

 

9.Section
83(b) Election. Stockholder understands that Section 83(a) of the Code, taxes as ordinary income the difference between
the amount paid for the Stock and the fair market value of the Stock as of the date any restrictions on the Stock lapse. In this
context, “restriction” includes the right of the Company to receive transfer of the Stock as set forth
in Section 2 above. Stockholder understands that Stockholder may elect to be taxed at the time the Stock is acquired, rather than
when and as vesting occurs, by filing an election under Section 83(b) (an “83(b) Election”) of the Code
with the Internal Revenue Service within thirty (30) days from the date of transfer. Even if the fair market value of the Stock
at the time of the execution of this Agreement equals the amount paid for the Stock, the 83(b) Election must be made to avoid income
under Section 83(a) in the future. Stockholder understands that failure to file such an 83(b) Election in a timely manner may result
in adverse tax consequences for Stockholder. Stockholder further understands that an additional copy of such 83(b) Election is
required to be filed with his or her federal income tax return for the calendar year in which the date of this Agreement falls.
Stockholder further acknowledges and understands that it is Stockholder’s sole obligation and responsibility to timely
file such 83(b) Election, and neither the Company nor the Company’s legal or financial advisors shall have any obligation
or responsibility with respect to such filing. Stockholder acknowledges that the foregoing is only a summary of the effect
of United States federal income taxation with respect to acquisition of the Stock hereunder, and does not purport to be complete.
Stockholder further acknowledges that the Company has directed Stockholder to seek independent advice regarding the applicable
provisions of the Code, the income tax laws of any municipality, state or foreign country in which Stockholder may reside, and
the tax consequences of Stockholder’s death. Stockholder assumes all responsibility for filing an 83(b) Election and paying
all taxes resulting from such election or the lapse of the restrictions on the Stock.

 

10.Refusal
to Transfer. The Company shall not be required (a) to transfer on its books any shares of Stock of the Company which
shall have been transferred in violation of any of the provisions set forth in this Agreement, or (b) to treat as owner of such
shares or to accord the right to vote as such owner or to pay dividends to any transferee to whom such shares shall have been so
transferred.

 

11.No
Service Rights. This Agreement is not an employment or service contract and nothing in this Agreement shall affect in
any manner whatsoever the right or power of the Company (or a parent or subsidiary of the Company) to terminate Stockholder’s
employment or service for any reason at any time, with or without cause and with or without notice.

 

12.Miscellaneous.

 

(a)Notices.
All notices required or permitted hereunder shall be in writing and shall be deemed effectively given: (i) upon personal delivery
to the party to be notified, (ii) when sent by confirmed telex or facsimile if sent during normal business hours of the recipient,
and if not during normal business hours of the recipient, then on the next business day, (iii) five (5) calendar days after
having been sent by registered or certified mail, return receipt requested, postage prepaid, or (iv) one (1) business day
after deposit with a nationally recognized overnight courier, specifying next day delivery, with written verification of receipt.
All communications shall be sent to the other party hereto at such party’s address hereinafter set forth on the signature
page hereof, or at such other address as such party may designate by ten (10) days advance written notice to the other party hereto.

 

(b)Successors
and Assigns. This Agreement shall inure to the benefit of the successors and assigns of the Company and, subject to the restrictions
on transfer herein set forth, be binding upon Stockholder, Stockholder’s successors, and assigns. Company’s rights
hereunder shall be assignable by the Company at any time or from time to time, in whole or in part. 

 

    	4.

    	 

    

 

(c)Attorneys’
Fees; Specific Performance. Stockholder shall reimburse the Company for all costs incurred by the Company in enforcing the
performance of, or protecting its rights under, any part of this Agreement, including reasonable costs of investigation and attorneys’
fees. It is the intention of the parties that, upon a forfeiture pursuant to the terms of this Agreement, the Company shall be
entitled to receive the Stock, in specie, in order to have such Stock available for future issuance without dilution of the holdings
of other shareholders. Furthermore, it is expressly agreed between the parties that money damages are inadequate to compensate
the Company for the Stock and that the Company shall be entitled to specific enforcement of its rights to purchase and receive
said Stock.

 

(d)Governing
Law; Venue. This Agreement shall be governed by and construed in accordance with the laws of the State of Delaware. The parties
agree that any action brought by either party to interpret or enforce any provision of this Agreement shall be brought in, and
each party agrees to, and does hereby, submit to the jurisdiction and venue of, the appropriate state or federal court for the
district encompassing the Company’s principal place of business.

 

(e)Further Execution.
The parties agree to take all such further action(s) as may reasonably be necessary to carry out and consummate this Agreement
as soon as practicable, and to take whatever steps may be necessary to obtain any governmental approval in connection with or otherwise
qualify the issuance of the securities that are the subject of this Agreement.

 

(f)Independent
Counsel. Stockholder acknowledges that Stockholder has been provided with an opportunity to consult with their own legal counsel
and tax or other advisors with respect to this Agreement.

 

(g)Entire Agreement;
Amendment. This Agreement and the Plan constitute the entire agreement between the parties with respect to the subject matter
hereof and supersede and merge all prior agreements or understandings, whether written or oral. This Agreement may not be amended,
modified or revoked, in whole or in part, except by an agreement in writing signed by each of the parties hereto. The provisions
of the Plan apply to the Stock awarded under this Agreement, and any word or term that is capitalized, but not otherwise defined
in this Agreement, shall have the meaning set forth in the Plan.

 

(h)Severability.
If one or more provisions of this Agreement are held to be unenforceable under applicable law, the parties agree to renegotiate
such provision in good faith. In the event that the parties cannot reach a mutually agreeable and enforceable replacement for such
provision, then (i) such provision shall be excluded from this Agreement, (ii) the balance of the Agreement shall be interpreted
as if such provision were so excluded and (iii) the balance of the Agreement shall be enforceable in accordance with its terms.

 

(i)Counterparts.
This Agreement may be executed in two or more counterparts, each of which shall be deemed an original and all of which together
shall constitute one instrument.

 

    	5.

    	 

    

 

In
Witness Whereof, the parties hereto have executed this Agreement as of the day and year first above written.

 

	 	Novavax, Inc.
	 	 	 
	 	 	 
	 	 	 
	 	By:  	 
	 	 	 

 

Stockholder
acknowledges and agrees that the vesting of shares pursuant to Section 2 hereof is earned only by continuing service as an
employee, consultant or director at the will of the company. Stockholder further acknowledges and agrees that nothing in this agreement
shall confer upon Stockholder any right with respect to continuation of such employment or service relationship with the company,
nor shall it interfere in any way with Stockholder’s right or the company’s right to terminate Stockholder’s
employment or consulting relationship at any time, with or without cause.

 

Stockholder
further acknowledges that any risk related to the fluctuation in the value of the stock from and after the date hereof, including
any losses to Stockholder as a result of forfeiture pursuant to Section 2, shall be borne by Stockholder.

 

Stockholder
acknowledges that Stockholder has read all tax related sections and further acknowledges Stockholder has had an opportunity to
consult Stockholder’s own Tax, Legal and Financial Advisors regarding the purchase of common stock under this Agreement.

 

Stockholder
acknowledges and agrees that in making the decision to acquire the common stock hereunder Stockholder has not relied on any statement,
whether written or oral, regarding the subject matter hereof, except as expressly provided herein and in the attachments and exhibits
hereto.

 

	 	Stockholder:
	 	 	 
	 	 	 
	 	 	 
	 	Address:  	 
	 	 	 

 

	Vesting Commencement Date:	[•]

 

    	6.

    	 

    

 

Attachments:

 

Exhibit A – Stock
Assignment

 

Exhibit B – Joint
Escrow Instructions

 

    	7.

    	 

    

 

Exhibit
A

 

STOCK ASSIGNMENT SEPARATE FROM CERTIFICATE

 

For
Value Received, [•] hereby sells, assigns
and transfers unto Novavax, Inc., a Delaware corporation (the “Company”),
pursuant to the Restricted Stock Agreement, dated [•],
by and between the undersigned and the Company (the “Agreement”) [•]
shares of Common Stock of the Company standing in the undersigned’s name on the books of the Company and does hereby
irrevocably constitute and appoint both the Company’s Secretary and the Company’s attorney, or either of them, to transfer
said stock on the books of the Company with full power of substitution in the premises. This Assignment may be used only in accordance
with and subject to the terms and conditions of the Agreement, in connection with the redemption of shares of Common Stock issued
to the undersigned pursuant to the Agreement, and only to the extent that such shares remain unvested under the Agreement.

 

	Dated:   	 	 

 

	 	 	 
	 	(Signature)
	 	 	 
	 	 	 
	 	(Print Name)

 

[Instruction:
Please do not fill in any blanks other than the signature line. The purpose of this Assignment is to enable the Company
to exercise its redemption rights set forth in the Agreement without requiring additional signatures on the part of Stockholder.]

 

    	8.

    	 

    

 

Exhibit B

 

JOINT ESCROW
INSTRUCTIONS

 

Corporate Secretary

Novavax, Inc.

20 Firstfield Road

Gaithersburg, MD 20878

 

Sir or Madam:

 

As Escrow Agent for both Novavax,
Inc., a Delaware Company (“Company”) and [•]
(“Stockholder”), you are hereby authorized and directed to hold the documents delivered to you pursuant to the terms
of that certain Restricted Stock Agreement dated as of [•]
(“Agreement”), to which a copy of these Joint Escrow Instructions is attached as Exhibit B, in accordance with
the following instructions:

 

1.In the
event Company or an assignee shall elect to exercise any redemption rights set forth in the Agreement, the Company or its assignee
will give to Stockholder and you a written notice specifying the number of shares of stock to be redeemed, the redemption price,
if any, and the time for a closing thereunder at the principal office of the Company. Stockholder and the Company hereby irrevocably
authorize and direct you to close the transaction contemplated by such notice in accordance with the terms of said notice.

 

2.At the
closing, you are directed (a) to date the stock assignments necessary for the transfer in question, (b) to fill in the number of
shares being transferred, and (c) to deliver the same, together with the certificate evidencing the shares of stock to be transferred,
to the Company against the simultaneous delivery to you of the redemption price, if any (which may include suitable acknowledgment
of cancellation of indebtedness) for the number of shares of stock being redeemed pursuant to the exercise of the its redemption
rights.

 

3.Stockholder
irrevocably authorizes the Company to deposit with you any certificates evidencing shares of stock to be held by you hereunder
and any additions and substitutions to said shares as specified in the Agreement. Stockholder does hereby irrevocably constitute
and appoint you as his attorney-in-fact and agent for the term of this escrow to execute with respect to such securities all documents
necessary or appropriate to make such securities negotiable and complete any transaction herein contemplated, including but not
limited to any appropriate filing with state or government officials or bank officials. Subject to the provisions of this paragraph
3, Stockholder shall exercise all rights and privileges of a shareholder of the Company while the stock is held by you.

 

4.This escrow
shall terminate upon the exercise in full or expiration of such redemption rights, whichever occurs first.

 

    	9.

    	 

    

 

5.If at
the time of termination of this escrow under Section 4 herein you should have in your possession any documents, securities, or
other property belonging to Stockholder, you shall deliver all of the same to Stockholder and shall be discharged of all further
obligations hereunder; provided, however, that if at the time of termination of this escrow you are advised by the Company that
any property subject to this escrow is the subject of a pledge or other security agreement, you shall deliver all such property
to the pledgeholder or other person designated by the Company.

 

6.Except
as otherwise provided in these Joint Escrow Instructions, your duties hereunder may be altered, amended, modified or revoked only
by a writing signed by all of the parties hereto.

 

7.You shall
be obligated only for the performance of such duties as are specifically set forth herein and may rely and shall be protected in
relying or refraining from acting on any instrument reasonably believed by you to be genuine and to have been signed or presented
by the proper party or parties. You shall not be personally liable for any act you may do or omit to do hereunder as Escrow Agent
or as attorney-in-fact for Stockholder while acting in good faith and in the exercise of your own good judgment, and any act done
or omitted by you pursuant to the advice of your own attorneys shall be conclusive evidence of such good faith.

 

8.You are
hereby expressly authorized to disregard any and all warnings given by any of the parties hereto or by any other person or Company,
excepting only orders or process of courts of law, and are hereby expressly authorized to comply with and obey orders, judgments
or decrees of any court. In case you obey or comply with any such order, judgment or decree of any court, you shall not be liable
to any of the parties hereto or to any other person, firm or Company by reason of such compliance, notwithstanding any such order,
judgment or decree being subsequently reversed, modified, annulled, set aside, vacated or found to have been entered without jurisdiction.

 

9.You shall
not be liable in any respect on account of the identity, authorities or rights of the parties executing or delivering or purporting
to execute or deliver these Joint Escrow Instructions documents or papers deposited or called for hereunder.

 

10.You shall
not be liable for the outlawing of any rights under any statute of limitations with respect to these Joint Escrow Instructions
or any documents deposited with you.

 

11.Your
responsibilities as Escrow Agent hereunder shall terminate if you shall cease to be Secretary of the Company or if you shall resign
by written notice to the Company. In the event of any such termination, the Secretary of the Company shall automatically become
the successor Escrow Agent unless the Company shall appoint another successor Escrow Agent, and Stockholder hereby confirms the
appointment of such successor as Stockholder’s attorney-in-fact and agent to the full extent of your appointment.

 

12.If you
reasonably require other or further instruments in connection with these Joint Escrow Instructions or obligations in respect hereto,
the necessary parties hereto shall join in furnishing such instruments.

 

    	10.

    	 

    

 

13.It is
understood and agreed that should any dispute arise with respect to the delivery and/or ownership or right of possession of the
securities held by you hereunder, you are authorized and directed to retain in your possession without liability to anyone all
or any part of said securities until such dispute shall have been settled either by mutual written agreement of the parties concerned
or by a final order, decree or judgment of a court of competent jurisdiction after the time for appeal has expired and no appeal
has been perfected, but you shall be under no duty whatsoever to institute or defend any such proceedings.

 

14.All notices
required or permitted hereunder shall be in writing and shall be deemed effectively given: (a) upon personal delivery to the party
to be notified, (b) when sent by confirmed telex or facsimile if sent during normal business hours of the recipient, and if not
during normal business hours of the recipient, then on the next business day, (c) five (5) calendar days after having been sent
by registered or certified mail, return receipt requested, postage prepaid, or (d) one (1) business day after deposit with a nationally
recognized overnight courier, specifying next day delivery, with written verification of receipt. All communications shall be sent
to the other party hereto at such party’s address set forth below, or at such other address as such party may designate by
ten (10) days advance written notice to the other party hereto.

 

	Company:	
        novavax,
        inc.

        20 Firstfield Road

        Gaithersburg, MD 20878

	Stockholder:	[•]
	Escrow Agent:	
        Corporate Secretary

        novavax,
        inc.

        20 Firstfield Road

        Gaithersburg, MD 20878

 

15.By signing
these Joint Escrow Instructions, you become a party hereto only for the purpose of said Joint Escrow Instructions; you do not become
a party to the Agreement.

 

16.You shall
be entitled to employ such legal counsel and other experts as you may deem necessary properly to advise you in connection with
your obligations hereunder. You may rely upon the advice of such counsel, and you may pay such counsel reasonable compensation
therefor. The Company shall be responsible for all fees generated by such legal counsel in connection with your obligations hereunder.

 

17.This
instrument shall be binding upon and inure to the benefit of the parties hereto and their respective successors and permitted assigns.
It is understood and agreed that references to “you” and “your” herein refer to the original Escrow Agents.
It is understood and agreed that the Company may at any time or from time to time assign its rights under the Agreement and these
Joint Escrow Instructions.

 

    	11.

    	 

    

 

18.These
Joint Escrow Instructions shall be governed by and interpreted and determined in accordance with the laws of the State of Delaware,
as such laws are applied by Delaware courts to contracts made and to be performed entirely in Delaware by residents of that state.

 

	 	Very truly yours,
	 	 	 
	 	novavax, inc.:
	 	 	 
	 	 	 
	 	By	 
	 	 	 
	 	 	 
	 	Stockholder:
	 	 	 
	 	 	 

 

	Acknowledged	 
	 	 
	 	 
	Escrow Agent:	 
	 	 
	 	 

 

    	12.Exhibit 10.35

 

AMENDMENT No 5 to MASTER SERVICES AGREEMENT

 

This Amendment, dated as of February 25,
2015 (the “Amendment Effective Date”) to that certain Master Services Agreement dated as of March 31, 2009 (the
“Original Agreement”), as amended by Amendment No 1 to Master Services Agreement dated as of July 27, 2011 (the “First
Amendment”) and Amendment No 2 to Master Services Agreement dated as of March 7, 2013 (the “Second Amendment”)
Amendment No 3 to Master Services Agreement dated as of October 29, 2013 (the “Third Amendment”) and Amendment No 4
to Master Services Agreement dated as of March 5, 2014 (the “Fourth Amendment” and, together with the Original Agreement,
First Amendment, Second Amendment, Third Amendment, the “Agreement”), is between Cadila Pharmaceuticals Limited
(“Cadila”), and Novavax, Inc. (“Novavax”).

 

WHEREAS the parties to the Original
Agreement initially agreed that Cadila would provide Services to Novavax;

 

WHEREAS pursuant to the terms of
the First Amendment, Second Amendment and Fourth Amendment, the parties amended the Original Agreement to, among other things,
extend the period of use of Services for successive additional one (1) year periods to March 31, 2015;

 

WHEREAS the parties now wish to
extend the period of time during which Novavax would guarantee its use of Services an additional one (1) year to March 31, 2016;

 

Now therefore, the parties hereto agree
as follows:

 

The second paragraph of Section 4 entitled
“Payment by Novavax; Guaranty of Services” is deleted in its entirety and replaced with the following new second
paragraph:

 

It is the intent of the parties that, during
the first seven (7) years of the term of this Agreement (the “Services Period”), Novavax will have engaged Cadila to
perform Services hereunder that will in the aggregate equal $7.5 million in fees paid to Cadila. If, at the end of the Services
Period, the Services Amount (defined below) does not equal or exceed $7.5 million, then Novavax shall pay Cadila an amount (the
“Final Amount”) equal to the sum of (a) the portion of the Shortfall Amount that is less than or equal to $2.0 million,
plus (b) the product of fifty percent (50%) times the portion, if any, of the Shortfall Amount that exceeds $2.0 million. For purposes
of this Section 4 and Section 9.2, “Services Amount” equals the sum of (A) the amounts paid under all Project
Plans, and (B) amounts to be paid under executed Project Plans if the Services under such Project Plans are completed as provided
therein, and (C) any amounts that would have been paid for services under a reasonable Service Request provided to Cadila under
this Agreement, which Service Request (i) concerns legitimate products or projects within Novavax’s scope of its own business
and (ii) involves services that Cadila is reasonably able to provide within its scope of resources and expertise, but for the fact
that Cadila exercised its right not to prepare a Project Estimate or agree to a Project Plan reasonably offered to Cadila by Novavax
containing terms substantially consistent with those contained in Cadila’s Project Estimate therefor (which amounts shall
be reasonably determined based on amounts that would be reasonably charged for such services had Cadila actually provided a Project
Estimate and the parties had entered into a Project Plan therefor); and “Shortfall Amount” equals the difference
between $7.5 million and the Services Amount.

 

    	 

    	 

    

 

Section 9.2 entitled “Force Majeure”
is deleted in its entirety and replaced with the following:

 

9.2Force Majeure.
Neither party will be responsible for delays or failures in performance resulting from causes beyond the reasonable control of
such party (except for any delay or failure to pay amounts due hereunder), including without limitation fire, explosion, flood,
war, strike, or riot, provided that the nonperforming party uses commercially reasonable efforts to avoid or remove such causes
of nonperformance and continues performance under this Agreement with reasonable dispatch whenever such causes are removed. Either
party shall have the right to immediately terminate this Agreement should such force majeure event continue for more than ninety
(90) days. If, at the time of such a termination, the Services Amount (defined in Section 4) does not equal or exceed a pro rata
portion of $5.5 million (taking into consideration the time between the Effective Date and such termination versus the seven year
Services Period (the “Pro Rata Amount”)) plus $2.0 million, then Novavax shall pay Cadila an amount (the “FM
Final Amount”) equal to the sum of (a) the portion of the FM Shortfall Amount that is less than or equal to $2.0 million,
plus (b) the product of fifty percent (50%) times the portion, if any, of the FM Shortfall Amount that exceeds 2.0 million. For
purposes of this Section 9.2, “FM Shortfall Amount” equals the difference between the Pro Rata Amount and the
Services Amount.

 

In all other respects the Agreement shall
remain in full force and effect.

 

IN WITNESS WHEREOF,
the parties have caused this Amendment to be executed by their duly authorized representatives as of the Amendment Effective Date.

 

	NOVAVAX, INC.	 	CADILA PHARMACEUTICALS LIMITED
	 	 	 	 	 
	 	 	 	 	 
	By:  	/s/ Stanley C. Erck	 	By:  	/s/ Rajiv I. Modi
	 	Stanley C. Erck	 	 	Rajiv I. Modi
	 	President and Chief Executive Officer	 	 	 Managing Director

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