Document:

Exhibit
10.56

 

 

November
17, 2017

 

John
M. Desmarais, Trustee

Tuxis
Trust

26
Deer Creek Lane

Mt.
Kisco, New York 10549

 

Dear
Mr. Desmarais:

 

Reference
is made to that certain Promissory Note, dated June 30, 2016 (the “Note”), issued by BioRestorative Therapies, Inc.
(the “Company”) to Tuxis Trust (the “Lender”) in the principal amount of $500,000 (the “Principal
Amount”). The Note, as amended, provides that the Principal Amount, together with accrued interest thereon, is payable on
December 1, 2017 (the “Maturity Date”).

 

The
Lender hereby waives any and all defaults by the Company under the Note. The parties agree that the Note is hereby amended such
that the Maturity Date for the payment of the Principal Amount, together with accrued interest thereon, shall be extended to December
1, 2018.

 

Except
as modified herein, the Note shall continue in full force and effect in accordance with its terms. In addition, the Security Agreement,
dated as of July 13, 2017, by and among the Company, the Lender, John M. Desmarais and John M. Desmarais, as representative, shall
continue in full force and effect in accordance with its terms.

 

This
letter may be executed in counterparts, each of which shall be deemed an original, but all of which taken together shall constitute
one and the same instrument.

 

This
letter shall be governed by, and construed in accordance with, the laws of the State of New York, excluding choice of law principles
thereof.

 

	 	Very truly yours,
	 	 	 
	 	BIORESTORATIVE THERAPIES, INC.
	 	 	 
	 	By:	 
	 	 	Mark
    Weinreb
	 	 	Chief
    Executive Officer

 

Agreed:

 

TUXIS
TRUST

 

	By:	 	 
		John
    M. Desmarais, TrusteeExhibit
10.65

 

AMENDMENT
TO CONVERTIBLE PROMISSORY NOTE

 

This
Amendment to Convertible Promissory Note (this “Amendment”) is entered into as of January 15, 2018, by and
between St. George Investments LLC, a Utah limited liability company (“Lender”),
and BioRestorative Therapies, Inc., a Delaware corporation (“Borrower”).
Capitalized terms used in this Amendment without definition shall have the meanings given to them in the Fourth Exchange Note
(as defined below).

 

A.
Pursuant to that certain Note Purchase Agreement by and between Holder and Company dated August 4, 2016 (the “Purchase
Agreement”), Company issued to Holder a certain Promissory Note in the original principal amount of $242,000.00 and
having an original issue date of August 4, 2016 (the “Original Note”).

 

B.
On May 9, 2017, Holder and Company exchanged the Original Note for (i) a new Promissory Note in the original principal amount
of $215,250.00 and having an original issue date of August 4, 2016 (as amended, the “First Exchange Note”),
and (ii) 7,000 shares of Company common stock, $0.001 par value per share (the “Common Stock”).

 

C.
On June 9, 2017, Holder and Company exchanged the First Exchange Note for (i) a new Promissory Note in the original principal
amount of $215,250.00 and having an original issuance date of August 4, 2016 (the “Second Exchange Note”),
and (ii) 2,500 shares of Common Stock.

 

D.
On August 2, 2017, Holder and Company exchanged the Second Exchange Note for a new Promissory Note in the original principal amount
of $215,250.00 and having an original issuance date of August 4, 2016 (the “Third Exchange Note”).

 

E.
On October 17, 2017, Holder and Company exchanged the Third Exchange Note for a new Promissory Note in the original principal
amount of $188,349.35 and having an original issuance date of August 4, 2016 (the “Fourth Exchange Note”).

 

F.
Borrower has requested that Lender extend the Maturity Date of the Fourth Exchange Note (the “Extension”).

 

G.
Lender has agreed, subject to the terms, amendments, conditions and understandings expressed in this Amendment, to grant the Extension.

 

NOW
THEREFORE, for good and valuable consideration, the receipt and sufficiency of which is hereby acknowledged, the parties agree
as follows:

 

1.
Recitals. Each of the parties hereto acknowledges and agrees that the recitals set forth above in this Amendment are true
and accurate and are hereby incorporated into and made a part of this Amendment.

 

2.
Extension. The first sentence of the Fourth Exchange Note is deleted in its entirety and replaced with the following:

 

    	 

    	 

    

 

“FOR
VALUE RECEIVED, BioRestorative Therapies, Inc., a Delaware corporation (“Borrower”),
promises to pay to St. George Investments LLC, a Utah limited liability company,
or its successors or assigns (“Lender”), $188,349.35 and any interest, fees, charges, and late fees on March
1, 2018 (the “Maturity Date”) in accordance with the terms set forth herein and to pay interest on the Outstanding
Balance at the rate of eight percent (8%) per annum from the Exchange Date (as defined below) until the same is paid in full.”

 

3.
Affirmation of Fourth Exchange Note Balance. The Fourth Exchange Note shall be and remain in full force and effect in accordance
with its terms and is hereby ratified and confirmed in all respects. Borrower and Lender agree that the outstanding balance of
the Fourth Exchange Note as of the date hereof is $153,435.24.

 

4.
Representations and Warranties. In order to induce Lender to enter into this Amendment, Borrower, for itself, and for its
affiliates, successors and assigns, hereby acknowledges, represents, warrants and agrees as follows:

 

(a)
Borrower has full power and authority to enter into this Amendment and to incur and perform all obligations and covenants contained
herein, all of which have been duly authorized by all proper and necessary action. No consent, approval, filing or registration
with or notice to any governmental authority is required as a condition to the validity of this Amendment or the performance of
any of the obligations of Borrower hereunder.

 

(b)
There is no fact known to Borrower or which should be known to Borrower which Borrower has not disclosed to Lender on or prior
to the date of this Amendment which would or could materially and adversely affect the understanding of Lender expressed in this
Amendment or any representation, warranty, or recital contained in this Amendment.

 

(c)
Except as expressly set forth in this Amendment, Borrower acknowledges and agrees that neither the execution and delivery of this
Amendment nor any of the terms, provisions, covenants, or agreements contained in this Amendment shall in any manner release,
impair, lessen, modify, waive, or otherwise affect the liability and obligations of Borrower under the terms of the Transaction
Documents.

 

(d)
Borrower has no defenses, affirmative or otherwise, rights of setoff, rights of recoupment, claims, counterclaims, actions or
causes of action of any kind or nature whatsoever against Lender, directly or indirectly, arising out of, based upon, or in any
manner connected with, the transactions contemplated hereby, whether known or unknown, which occurred, existed, was taken, permitted,
or begun prior to the execution of this Amendment and occurred, existed, was taken, permitted or begun in accordance with, pursuant
to, or by virtue of any of the terms or conditions of the Transaction Documents. To the extent any such defenses, affirmative
or otherwise, rights of setoff, rights of recoupment, claims, counterclaims, actions or causes of action exist or existed, such
defenses, rights, claims, counterclaims, actions and causes of action are hereby waived, discharged and released. Borrower hereby
acknowledges and agrees that the execution of this Amendment by Lender shall not constitute an acknowledgment of or admission
by Lender of the existence of any claims or of liability for any matter or precedent upon which any claim or liability may be
asserted.

 

    	 	2	 

    	 

    

 

(e)
Borrower represents and warrants that as of the date hereof no Events of Default or other material breaches exist under the Transaction
Documents or have occurred prior to the date hereof.

 

5.
Certain Acknowledgments. Each of the parties acknowledges and agrees that no property or cash consideration of any kind
whatsoever has been or shall be given by Lender to Borrower in connection with the Extension or any other amendment to the Fourth
Exchange Note granted herein.

 

6.
Other Terms Unchanged. The Fourth Exchange Note, as amended by this Amendment, remains and continues in full force and
effect, constitutes legal, valid, and binding obligations of each of the parties, and is in all respects agreed to, ratified,
and confirmed. Any reference to the Fourth Exchange Note after the date of this Amendment is deemed to be a reference to the Fourth
Exchange Note as amended by this Amendment. If there is a conflict between the terms of this Amendment and the Fourth Exchange
Note, the terms of this Amendment shall control. No forbearance or waiver may be implied by this Amendment. Except as expressly
set forth herein, the execution, delivery, and performance of this Amendment shall not operate as a waiver of, or as an amendment
to, any right, power, or remedy of Lender under the Fourth Exchange Note, as in effect prior to the date hereof. For the avoidance
of doubt, this Amendment shall be subject to the governing law, venue, and Arbitration Provisions, as set forth in the Fourth
Exchange Note.

 

7.
No Reliance. Borrower acknowledges and agrees that neither Lender nor any of its officers, directors, members, managers,
equity holders, representatives or agents has made any representations or warranties to Borrower or any of its agents, representatives,
officers, directors, or employees except as expressly set forth in this Amendment and the Transaction Documents and, in making
its decision to enter into the transactions contemplated by this Amendment, Borrower is not relying on any representation, warranty,
covenant or promise of Lender or its officers, directors, members, managers, equity holders, agents or representatives other than
as set forth in this Amendment.

 

8.
Counterparts. This Amendment may be executed in any number of counterparts, each of which shall be deemed an original,
but all of which together shall constitute one instrument. The parties hereto confirm that any electronic copy of another party’s
executed counterpart of this Amendment (or such party’s signature page thereof) will be deemed to be an executed original
thereof.

 

9.
Further Assurances. Each party shall do and perform or cause to be done and performed, all such further acts and things,
and shall execute and deliver all such other agreements, certificates, instruments and documents, as the other party may reasonably
request in order to carry out the intent and accomplish the purposes of this Amendment and the consummation of the transactions
contemplated hereby.

 

    	 	3	 

    	 

    

 

IN
WITNESS WHEREOF, the undersigned have executed this Amendment as of the date set forth above.

 

	 	BORROWER:
	 	 	 
	 	BIORESTORATIVE
    THERAPIES, INC.
	 	 	 
	 	 	                       
	 	By:	 
	 	Name:	 
	 	Title:	 

 

	 	LENDER:
	 	 	 
	 	St.
    George Investments LLC
	 	 	 
	 	By:	Fife
    Trading, Inc., its Manager
	 	 	 
	 	By:	 
	 	 	John
    M. Fife, President

 

[Signature
page to Amendment to Convertible Promissory Note]

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