Document:

Exhibit 10.21

 

AMENDMENT NO. 4 TO LOAN AGREEMENT

 

THIS AMENDMENT NO. 4 TO LOAN
AGREEMENT (the “Amendment”) is dated as of November 9, 2021 (the “Effective Date”) and is executed
by and between VIVASPHERE, INC., a Nevada corporation (the “Company”) and NOVUS CAPITAL GROUP, LLC (the
“Holder”).

 

W I T N E S S E T H:

 

WHEREAS, the Company is the
responsible party under that certain Loan and Security Agreement by and between Quantumsphere, Inc. and the Holder dated June 19, 2014
(and assigned to the Company under that certain Agreement Regarding Assets dated December 3, 2018) in the original principal amount of
$334,775, which originally did not carry interest and had a maturity date (as subsequently amended, the “Maturity Date”) of
December 3, 2019 (the “Note”);

 

WHEREAS, on or about February
6, 2020, the Company and Holding agreed to extend the Maturity Date under the Note until July 1, 2020 (the “First Amended Maturity
Date”) and add a seven percent (7.0%) simple interest rate to accrue on the outstanding principal of the Note starting from
January 1, 2020 (“Amendment No. 1”);

 

WHEREAS, on or about September
23, 2020, the Company and Holding agreed to extend the Maturity Date under the Note until January 2, 2021 (the “Second Amended
Maturity Date”) and increase the interest rate from seven percent (7.0%) to ten percent (10.0%) simple interest rate on the
Note starting July 1, 2020 (“Amended No. 2”) (for the avoidance of doubt, the Note accrued simple interest at a rate
of 7.0% from January 1, 2020 to July 1, 2020 and from July 2, 2020 has accrued simple interest at a rate of 10.0%); and

 

WHEREAS, no payment has been
made under the Note, and the Holder and the Company desire to modify the terms of the Note to (i) require certain interim payments of
accrued interest; and (ii) extend the Maturity Date of the Note, each as set forth herein.

 

NOW, THEREFORE, in consideration
of the mutual promises herein contained, the parties hereto hereby agree as follows:

 

1.               
Amendment of Note Maturity Date. The Note is hereby amended such that Note’s Maturity Date is April 1, 2022
and the first sentence of Section 6 of the Note is hereby amended from “VivaSphere shall pay the entire unpaid balance of the Novus
Obligation in full on the first anniversary of the date hereof.” to “VivaSphere shall pay the entire unpaid balance on the
Novus Obligation, together with all unpaid accrued interest, on April 1, 2022 (the “Maturity Date”).”

 

2.               
First Interest Payment. The Company shall pay or cause to be paid to the Holder accrued interest on the Note in an amount
equal to $17,854.67 on or before November 12, 2021.

 

3.               
Second Interest Payment. The Company shall pay or cause to be paid to the Holder accrued interest on the Note in an amount
equal to $14,692.91 on or before January 15, 2022.

 

4.               
Payment of All Outstanding Principal and Interest on the Maturity Date. The Company shall pay or cause to be paid to the
Holder all outstanding accrued and unpaid interest on the Note on or before the Maturity Date of April 1, 2022.

 

		5.	Miscellaneous.

 

(a)       Except as specifically
amended above, the Note shall remain in full force and effect and is hereby ratified and confirmed.

 

(b)       THIS AMENDMENT
SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAW OF THE STATE OF NEVADA.

 

(c)       The recitals hereto
are hereby made an integral part hereof.

 

(d)       This
Amendment may be executed in any number of counterparts and by facsimile, each of which counterpart when so executed shall be deemed an
original, but all such counterparts shall constitute one and the same instrument.

 

[Signature page follows]

 

    	 	1	 

     

    

 

 

IN WITNESS WHEREOF, the parties
hereto have caused this Amendment to be executed and delivered by their proper and duly authorized officers as of the date set forth above.

 

 

	 	COMPANY:
	 	 
	 	VIVASPHERE, INC., 
	 	a Nevada corporation
	 	 
	 	 
	 	By /s/ Matt Nicosia                                      
	 	Its CEO
	 	 
	 	 
	 	HOLDER:
	 	 
	 	 
	 	NOVUS CAPITAL GROUP, LLC
	 	 
	 	 
	 	 
	 	By /s/ Robert Tobin                                      
	 	Its Member

 

 

 

 

 

 

 

    	 	2Exhibit 10.22

 

AMENDMENT NO. 5 TO LOAN AGREEMENT

 

THIS AMENDMENT NO. 5 TO LOAN
AGREEMENT (the “Amendment”) is dated as of April 1, 2022 (the “Effective Date”) and is executed
by and between VIVASPHERE, INC., a Nevada corporation (the “Company”) and NOVUS CAPITAL GROUP, LLC (the
“Holder”).

 

W I T N E S S E T H:

 

WHEREAS, the Company is the
responsible party under that certain Loan and Security Agreement by and between Quantumsphere, Inc. and the Holder dated June 19, 2014
(and assigned to the Company under that certain Agreement Regarding Assets dated December 3, 2018) in the original principal amount of
$334,775, which originally did not carry interest and had a maturity date (as subsequently amended, the “Maturity Date”) of
December 3, 2019 (the “Note”);

 

WHEREAS, on or about February
6, 2020, the Company and Holder agreed to extend the Maturity Date under the Note until July 1, 2020 (the “First Amended Maturity
Date”) and add a seven percent (7.0%) simple interest rate to accrue on the outstanding principal of the Note starting from
January 1, 2020 (“Amendment No. 1”);

 

WHEREAS, on or about September
23, 2020, the Company and Holder agreed to extend the Maturity Date under the Note until January 2, 2021 (the “Second Amended
Maturity Date”) and increase the interest rate from seven percent (7.0%) to ten percent (10.0%) simple interest rate on the
Note starting July 1, 2020 (“Amendment No. 2”) (for the avoidance of doubt, the Note accrued simple interest at a rate
of 7.0% from January 1, 2020 to July 1, 2020 and from July 2, 2020 has accrued simple interest at a rate of 10.0%);

 

WHEREAS, on or about November
9, 2021, the Company and the Holder agreed to extend the Maturity Date under the Note to April 1, 2022 (the “Third Amended Maturity
Date”); and

 

WHEREAS, the Holder and the
Company desire to modify the terms of the Note to (i) require a lump sum payment of accrued interest; and (ii) extend the Maturity Date
of the Note, each as set forth herein.

 

NOW, THEREFORE, in consideration
of the mutual promises herein contained, the parties hereto hereby agree as follows:

 

1.               
Amendment of Note Maturity Date. The Note is hereby amended such that Note’s Maturity Date is April 1, 2023
and the first sentence of Section 6 of the Note is hereby amended from “VivaSphere shall pay the entire unpaid balance of the Novus
Obligation in full on the first anniversary of the date hereof.” to “VivaSphere shall pay the entire unpaid balance on the
Novus Obligation, together with all unpaid accrued interest, on April 1, 2023 (the “Maturity Date”).”

 

2.               
Lump Sum Interest Payment. The Company shall pay or cause to be paid to the Holder a lump sum payment equal to all interest
due on the Note through April 1, 2022, which is estimated to be $52,448.11, on or before April 1, 2022.

 

3.               
Interest Rate. Until the principal and interest under the Note is paid in full the interest rate under the Note shall continue
to be 10% per annum, simple interest.

 

4.               
Monthly Payments of All Outstanding Principal and Interest. The Company shall pay or cause to be paid to the Holder monthly
payments of $29,432.04 commencing on May 1, 2022 until all principal and interest due on the Note has been paid in full, which should
occur no later than the Maturity Date of April 1, 2023.

 

		5.	Miscellaneous.

 

(a)        Except as specifically
amended above, the Note shall remain in full force and effect and is hereby ratified and confirmed.

 

(b)        THIS AMENDMENT
SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAW OF THE STATE OF NEVADA.

 

(c)        The recitals hereto
are hereby made an integral part hereof.

 

(d)       This
Amendment may be executed in any number of counterparts and by facsimile, each of which counterpart when so executed shall be deemed an
original, but all such counterparts shall constitute one and the same instrument.

 

[Signature page follows]

 

 

 

    	 	1	 

     

    

 

 

IN WITNESS WHEREOF, the parties
hereto have caused this Amendment to be executed and delivered by their proper and duly authorized officers as of the date set forth above.

 

 

	 	COMPANY:
	 	 
	 	VIVASPHERE, INC., 
	 	a Nevada corporation
	 	 
	 	 
	 	By /s/ Matt Nicosia                                      
	 	Its CEO
	 	 
	 	 
	 	HOLDER:
	 	 
	 	 
	 	NOVUS CAPITAL GROUP, LLC
	 	 
	 	 
	 	 
	 	By /s/ Robert Tobin                                      
	 	Its Member

 

 

 

 

 

 

 

 

 

    	 	2Exhibit 10.26

 

AMENDMENT No. 2 to

SENSOR TECHNOLOGY LICENSE AGREEMENT

 

This Amendment No. 2 dated July 10, 2021 (“Amendment
No. 2”) to the Sensor Technology License Agreement (the “Agreement”) is hereby entered into, by and between, TBT Group,
Inc, a Delaware Corporation (“TBT” or the “Licensor”), and Vivakor, Inc., a Nevada corporation (“Vivakor”
or the “Licensee”). The Licensor and the Licensee may each be referred to herein as a “Party” and together as
the “Parties.”

 

RECITALS

 

WHEREAS, the Licensee believes
it will need additional time to meet the Payment/Milestones requirement specified in Item 1 of Schedule 1 of the Agreement; and

 

WHEREAS, the Parties have previously
agreed to Amendment 1 dated May 10, 2021 (“Amendment No. 1”) which extended the time period to make a required payment for
an additional 60 days in return for a $15,000 payment to Licensor, which payment was made by Licensee at the time of the extension;

 

WHEREAS, the Licensor has agreed
to grant to Licensee an additional 30 days to make the required payment specified in Point 1 of Schedule 1 of the Agreement; and

 

WHEREAS, Amendment 1 reduced the
Licensor’s required payment to Licensee for the License from $225,000 to $210,000;

 

NOW, THEREFORE, for good and
valuable consideration, receipt of which is acknowledged by Licensor, Licensor and Licensee agree:

 

		1.	The last sentence of Item 1 of Schedule 1 of the Agreement is hereby modified by deleting the phrase
“Within 120 days,” and replacing it with the phrase “Within 210 days,”.

 

		2.	In all other respects, the Agreement, Schedule 1, and Exhibit A shall remain unchanged and in full force
and effect.

 

IN WITNESS WHEREOF, the Parties have executed this
Amendment as of the Amendment date specified above.

 

	Licensor:	TBT Group, Inc.
	 	 
	 	 
	 	By: /s/ Daniel Declement
	 	       Daniel Declement
	 	      Chief Executive Officer
	 	 
	 	 
	Licensee:	Vivakor, Inc.,
	 	 
	 	 
	 	By: /s/ Matt Nicosia
	 	       Matt Nicosia
	 	       Chief Executive Officer

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