Document:

Exhibit
10.15

 

SECURED
LOAN AND REVENUE PARTICIPATION AGREEMENT

 

This
Secured Loan and Revenue Participation Agreement (inclusive of all addendums and exhibits, the “Agreement”)
is made as of the 10th day of March, 2020 by and between Chartwell Capital US LP, a Delaware limited
partnership with its principal place of business located at 205 West 57th Street, Suite 4AA, New York, NY 10019 (the
“Lender”), and Solajet Financing Company LLC, a Colorado limited liability company, Colorado
entity ID number 20191705212, with its registered address and principal place of business located at 999 18th St., Suite 3000,
Denver, CO 80202 (the “Borrower”).

 

WHEREAS,
the Borrower is in the business of leasing the Solajet therapeutic bed, related equipment, and software to its customers and wishes
to obtain the loan described herein for the purpose of securing the necessary funding to allow it to engage in such leasing activity
with its customers;

 

WHEREAS,
in consideration for the loan, Borrower intends to repay the said loan in monthly installments that shall include a repayment
of principal and interest, as described below, secure the said loan through a security interest provided to the Lender in the
specific Solajet therapeutic beds to be leased to customers, have a personal guarantee in place provided by a principal of the
Borrower, as further described in the Note, and have the Borrower participate in a revenue share structure and an end of the lease
sale bonus when the Solajet therapeutic bed is purchased by the Borrower’s customer;

 

NOW,
THEREFORE, in consideration of the premises and mutual covenants herein contained and for other good and valuable consideration,
the receipt and sufficiency of which are hereby acknowledged, the parties hereto agree, as of the date first referenced above
(the “Effective Date”) as follows:

 

Section
1. Amount and Terms of the Loan

 

1.1.
The Loan. Subject to the terms of this Agreement, the Borrower shall borrow from the Lender and the Lender shall lend to
the Borrower One Hundred and Five Thousand Dollars ($105,000) (the “Loan”) pursuant to a promissory
note in the form attached hereto as Addendum A (the “Note”) for the purpose of securing
the necessary funding to allow the Borrower to engage in the leasing activity with its customers described above.

 

1.2.
Interest Loan. During the Term, as defined in Section 1.4 (below), the Loan shall accrue simple interest (no compounding)
of 18.2% per annum, for a total interest amount of $76,440 to be accrued during the Term. In case of an Event of Default, as described
in section 5.1 (below), the Borrower shall begin to accrue interest at the Default Rate as further specified in the Note.

 

1.3.
Method of Payment to Lender. All payments of principal and interest on the Note shall be paid directly to the Lender at
the Lender’s address as provided above, to the Lender’s bank account, included herein as Addendum C,
or by such other means or to such other place or person as the Lender may designate.

 

    	 

     

    

 

1.4.
Term of Loan. The Loan shall become due and payable on March 10, 2024 (the “Maturity Date”; the
duration of time during which the Loan shall be outstanding shall be referred to as the “Term” of the
Loan).

 

1.5.
Repayment of Loan. (i) Borrower shall make a monthly repayment in the amount of $3,780 to Lender in forty-eight (48) instances
on the first (1st) calendar day of each month during the Term starting with April 1st, 2020 with the last
payment to be made on March 10th, 2024; and if the 1st or the 10th calendar day falls on a Saturday,
Sunday or public holiday under the laws of the State of New York, the due date for the payment shall be extended to the next succeeding
business day; (ii) Nothing in the terms of this Agreement or the Note will prevent the Borrower from repaying any portion or the
entire amount of the Loan, together with interest, to the Lender at any time prior to the Maturity Date, or at any other time
provided that the total interest due on the Loan shall be adjusted proportionally.

 

1.6.
Right to Demand Early Repayment. Notwithstanding the provisions of Section 1.4 and Section 1.5, the Lender, upon a twelve
(12) months’ notice provided to the Borrower in accordance with Section 8.6, reserves the right to demand full repayment
of the Loan together with all interest and amounts under Section 7 hereof accrued thereon up to and including the date of such
repayment. Borrower understands and agrees that upon receipt of the said notice indicating Lender’s intent to exercise Lender’s
right to demand repayment prior to the Maturity Date, Borrower shall be obligated to repay the Lender the principal balance of
the Loan together with all interest accrued thereon together with amounts under Section 7 hereof up to and including the date
of such repayment and shall take all actions necessary in order to satisfy Lender’s demand of early repayment.

 

1.7.
Personal Guarantee. This Loan is subject to a personal guarantee made by two principals of the Borrower as further detailed
in the Note.

 

Section
2. Loan Obligation Secured

 

To
secure payment and performance of all of Borrower’s obligations under this Agreement and the performance of all the terms
contained in this Agreement (and any and all modifications, extensions and renewals of the Agreement), Borrower hereby grants
to Lender a security interest in the Collateral, as defined in the Security Agreement, of the Borrower. In addition to the execution
of this Agreement and the Note, the Borrower and Lender agree that the parties will executed a security agreement incorporated
herein by reference as Addendum B (the “Security Agreement”).

 

Section
3. Delivery of Loan Proceeds

 

Upon
execution of this Agreement, (i) the Lender will deliver to Borrower a check or wire transfer funds to such an account as shall
be provided to the Lender by the Borrower in the amount of One Hundred and Five Thousand Dollars ($105,000) (the “Delivery
Date”), and (ii) the Borrower shall deliver to the Lender the fully executed Agreement.

 

Section
4. Representations and Warranties of the Borrower 

 

The
Borrower hereby represents and warrants to the Lender as follows:

 

4.1.
Corporate Power. The Borrower has all requisite corporate power to execute and deliver this Agreement and to carry out
and perform its obligations under the terms of this Agreement.

 

    	 

     

    

 

4.2.
Authorization. All corporate action on the part of the Borrower necessary for the authorization, execution, delivery and
performance of this Agreement by the Borrower and the performance of the Borrower’s obligations hereunder, including the
issuance and delivery of the Note, has been taken or will be taken prior to the Delivery Date. This Agreement and the Note, when
executed and delivered by the Borrower, shall constitute valid and binding obligations of the Borrower enforceable in accordance
with their terms, subject to laws of general application relating to bankruptcy.

 

4.3.
Governmental Consents. All consents, approvals, orders or authorizations of, or registrations, qualifications, designations,
declarations or filings with, any governmental authority, required on the part of the Borrower in connection with the valid execution
and delivery of this Agreement, the offer, sale or issuance of the Note or the consummation of any other transaction contemplated
hereby shall have been obtained and will be effective at the Delivery Date.

 

4.4.
Organization, Good Standing and Qualification. It is duly organized, validly existing and in good standing under, and by
virtue of, the laws of the place of its incorporation or establishment and has all requisite power and authority to own its properties
and assets and to carry on its business as now conducted.

 

4.5.
Binding Obligation. This Agreement constitutes a valid and binding obligation enforceable against it in accordance with
its provisions.

 

4.6.
No Breach. This Agreement does not conflict with or result in a breach of any obligation (including any statutory, contractual
or fiduciary obligation) or constitute or result in any default under any provision of its constitution or any material provision
of any agreement, deed, writ, order, injunction, judgment, law, rule or regulation to which it is a party or is subject or by
which it is bound.

 

4.7.
Compliance with Laws. It is not required to obtain any consents or approvals from, or file a record with, any third party
or government authority in connection with this Agreement and the Loan contemplated thereby other than a UCC filing under the
Security Agreement.

 

4.8.
Solvency. It is able to pay its debts as and when they become due and there are no legal actions against it.

 

Section
5. Covenants

 

5.1.
Business Operations. Borrower will continue to operate its business in all material respects in the ordinary course of
business consistent with past practice, including without limitation, with respect to cash management practices, the collection
of accounts receivable, the payment of payables, management of equipment lease obligations, and the timing and amount of advertising,
promotional and marketing expenditures. In addition, Borrower will use its best efforts to preserve intact the relationships of
Borrower with third parties.

 

    	 

     

    

 

5.2.
Books and Records. Borrower will keep accurate books and records pertaining to Borrower’s business and financial
condition, which Borrower will make available to Lender and its authorized representatives for inspection from time to time upon
seven (7) calendar days’ notice to Borrower, whether, in Lender’s sole discretion, in-person at Borrower’s offices
during ordinary business hours or by Lender’s request to send the same via electronic means.

 

5.3.
Maintenance of the Business. (a) Borrower will pay or discharge when due all taxes, including without limitation: (i) any
taxes levied upon its revenues, profits or property, (ii) all federal, state and local taxes required to be withheld, and (iii)
any lawful claims for labor, materials or supplies, which, if not paid, might by law become a lien against Borrower or its assets;
(b) Borrower will obtain, if necessary, and maintain insurance with reputable insurers, in such amounts and against such risks
as is usually carried by companies engaged in business similar to the business of Borrower; and (c) Borrower will preserve and
maintain its corporate existence in the state where it is formed and obtain, if necessary, qualification in any other jurisdiction
where the nature or character of Borrower’s activities require such qualification.

 

Section
6. Default, Rights & Remedies

 

6.1.
Event of Default. Each of the following events constitutes an event of default (“Event of Default”):
(a) Any Event of Default, as that term is defined in the Note and/or in the Security Agreement; or (b) Any inaccuracy in or other
breach of a representation, warranty or covenant by Borrower set forth in this Agreement or in any document, agreement, or certificate
delivered by Borrower pursuant to this Agreement.

 

6.2.
Rights and Remedies. Upon the occurrence of an Event of Default, or anytime thereafter, Lender may exercise any or all
of the following rights and remedies: (a) Lender may, by notice to Borrower, declare the entire unpaid principal amount and all
accrued interest thereon under the Note, together with any and all revenue share and sale bonuses owed, to be immediately due
and payable; (b) Lender may pursue to enforce its rights under the Agreement and the Note against the guarantor as further described
in the Note, (c) Lender may request payment, and Borrower shall make payment, for all of Lender’s costs in the collection
of payment and enforcement of rights hereunder, whether or not litigation is commenced, including without limitation, all reasonable
attorneys’ fees and collection expenses, (d) Lender may request payment, and guarantor shall make payment, for all of Lender’s
costs in the collection of payment and enforcement of rights hereunder, whether or not litigation is commenced, including without
limitation, all reasonable attorneys’ fees and collection expenses, (e) Lender may enforce any and all rights and remedies
available upon default to a secured party under the UCC, including without limitation, the right to take possession or control
of any Collateral, (f) Lender may, after notice to Borrower, exercise the right to notify the account debtors of Borrower to forward
payment on any Collateral directly to Lender, either by notice from Lender, or in Lender’s discretion, by notice from Borrower,
who shall, upon Lender’s request, notify the account debtors to forward such payment to Lender; and (g) Lender may exercise
any other rights and remedies available to Lender by law or agreement.

 

    	 

     

    

 

Section
7. Equipment Sale Bonus

 

7.1.
End of Term Sale Bonus. Upon the expiration of Borrower’s lease of the Solajet therapeutic beds being financed by
virtue of the Loan to its customers, Borrower’s customers may exercise their right to purchase the Solajet therapeutic beds
at the agreed upon residual amount that shall be set forth in the Borrower’s lease. Any residual purchase amount received
by the Borrower for the said Solajet therapeutic beds purchased by the Borrower’s customers following the expiration of
the lease shall be distributed in the following manner: (a) Borrower shall be entitled to receive ninety percent (90%) of the
net proceeds received from such sale and (b) Lender shall be entitled to receive ten percent (10%) of the net proceeds received
from such sale. The end of term sale bonus described herein is wholly contingent on the decisions made by the Borrower and the
Borrower’s customers and thus is not guaranteed. In no case shall the described end of term sale bonus be construed as additional
interest and the parties hereby acknowledge and agree that such end of term sale bonus is separate and distinct from the Borrower’s
repayment obligations described under Section 1 hereof. Furthermore, both parties agree that any and all funds received by the
Lender as a result of Section 7.2. hereof are in addition to, and in no case in lieu of, the repayment obligations of the Borrower
described in Section 1 hereof.

 

Section
8. Miscellaneous

 

8.1.
Binding Agreement. The terms and conditions of this Agreement shall inure to the benefit of and be binding upon the respective
successors and assigns of the parties. Nothing in this Agreement, express or implied, is intended to confer upon any third party
any rights, remedies, obligations, or liabilities under or by reason of this Agreement, except as expressly provided in this Agreement.

 

8.2.
Governing Law. IN ALL RESPECTS, INCLUDING ALL MATTERS OF CONSTRUCTION, VALIDITY AND PERFORMANCE, THIS AGREEMENT AND THE
OBLIGATIONS ARISING HEREUNDER SHALL BE GOVERNED BY THE LAWS OF THE STATE OF NEW YORK APPLICABLE TO CONTRACTS MADE AND PERFORMED
IN THAT STATE, AND ANY APPLICABLE LAWS OF THE UNITED STATES OF AMERICA. BORROWER HEREBY CONSENTS AND AGREES THAT THE STATE OR
FEDERAL COURTS LOCATED IN NEW YORK COUNTY, CITY OF NEW YORK, STATE OF NEW YORK, SHALL HAVE EXCLUSIVE JURISDICTION TO HEAR AND
DETERMINE ANY CLAIMS OR DISPUTES BETWEEN THE LENDER AND BORROWER PERTAINING TO THIS AGREEMENT OR THE NOTE OR TO ANY MATTER ARISING
OUT OF OR RELATING TO THIS AGREEMENT OR THE NOTE, PROVIDED, THAT BORROWER ACKNOWLEDGES THAT ANY APPEALS FROM THOSE COURTS
MAY HAVE TO BE HEARD BY A COURT LOCATED OUTSIDE OF NEW YORK COUNTY, CITY OF NEW YORK, STATE OF NEW YORK, AND, PROVIDED, FURTHER,
NOTHING IN THIS AGREEMENT SHALL BE DEEMED OR OPERATE TO PRECLUDE THE LENDER FROM BRINGING SUIT OR TAKING OTHER LEGAL ACTION
IN ANY OTHER JURISDICTION TO ENFORCE A JUDGMENT OR OTHER COURT ORDER IN FAVOR OF THE LENDER. THE BORROWER EXPRESSLY SUBMITS AND
CONSENTS IN ADVANCE TO SUCH JURISDICTION IN ANY ACTION OR SUIT COMMENCED IN ANY SUCH COURT, AND BORROWER HEREBY WAIVES ANY OBJECTION
WHICH IT MAY HAVE BASED UPON LACK OF PERSONAL JURISDICTION, IMPROPER VENUE OR FORUM NON CONVENIENS AND HEREBY CONSENTS
TO THE GRANTING OF SUCH LEGAL OR EQUITABLE RELIEF AS IS DEEMED APPROPRIATE BY SUCH COURT. BORROWER HEREBY WAIVES PERSONAL SERVICE
OF THE SUMMONS, COMPLAINT AND OTHER PROCESS ISSUED IN ANY SUCH ACTION OR SUIT AND AGREES THAT SERVICE OF SUCH SUMMONS, COMPLAINTS
AND OTHER PROCESS MAY BE MADE BY REGISTERED OR CERTIFIED MAIL ADDRESSED TO BORROWER AT THE ADDRESS SET FORTH IN SECTION 8.5 HEREOF
AND THAT SERVICE SO MADE SHALL BE DEEMED COMPLETED UPON THE EARLIER OF ACTUAL RECEIPT THEREOF OR THREE (3) DAYS AFTER DEPOSIT
IN THE U.S. MAILS, PROPER POSTAGE PREPAID.

 

    	 

     

    

 

8.3.
Waiver of Jury Trial. BECAUSE DISPUTES ARISING IN CONNECTION WITH COMPLEX FINANCIAL TRANSACTIONS ARE MOST
QUICKLY AND ECONOMICALLY RESOLVED BY AN EXPERIENCED AND EXPERT PERSON AND THE PARTIES WISH APPLICABLE STATE AND FEDERAL LAWS TO
APPLY (RATHER THAN ARBITRATION RULES), THE PARTIES DESIRE THAT DISPUTES ARISING HEREUNDER OR RELATING HERETO BE RESOLVED BY A
JUDGE APPLYING SUCH APPLICABLE LAWS. THEREFORE, TO ACHIEVE THE BEST COMBINATION OF THE BENEFITS OF THE JUDICIAL SYSTEM AND OF
ARBITRATION, THE PARTIES HERETO WAIVE ALL RIGHT TO TRIAL BY JURY IN ANY ACTION, SUIT OR PROCEEDING BROUGHT TO RESOLVE ANY DISPUTE,
WHETHER SOUNDING IN CONTRACT, TORT, OR OTHERWISE, BETWEEN THE LENDER AND THE BORROWER ARISING OUT OF, CONNECTED WITH, RELATED
TO, OR INCIDENTAL TO THE RELATIONSHIP ESTABLISHED IN CONNECTION WITH, THIS AGREEMENT OR THE NOTE OR THE TRANSACTIONS RELATED HERETO
OR THERETO. EACH PARTY HEREBY (I) CERTIFIES THAT NO REPRESENTATIVE, AGENT OR ATTORNEY OF THE OTHER HAS REPRESENTED, EXPRESSLY
OR OTHERWISE, THAT THE OTHER WOULD NOT, IN THE EVENT OF A PROCEEDING, SEEK TO ENFORCE THE FOREGOING WAIVER AND (II) ACKNOWLEDGES
THAT IT HAS BEEN INDUCED TO ENTER INTO THIS AGREEMENT BY, AMONG OTHER THINGS, THE MUTUAL WAIVERS AND CERTIFICATIONS IN THIS SECTION
8.3.

 

8.4.
Counterparts. This Agreement may be executed in two or more counterparts, each of which shall be deemed an original, but
all of which together shall constitute this Agreement.

 

8.5.
Titles and Subtitles. The titles and subtitles used in this Agreement are for convenience only and are not to be considered
in constructing or interpreting this Agreement.

 

8.6.
Notices. Any and all notices required or permitted to be given to a party pursuant to the provisions of this Agreement
shall be in writing and shall be effective and deemed to provide such party sufficient notice under this Agreement on the earliest
of the following: (i) at the time of personal delivery, if delivery is in person; (ii) at the time of transmission by facsimile,
telecopier or electronic mail addressed to the other party at its facsimile number, telecopier address or electronic email address
specified herein (or hereafter modified by subsequent notice to the parties hereto); (iii) one business day after deposit with
an express overnight courier for United States deliveries, or three business days after such deposit for deliveries outside of
the United States; or (iv) three business days after deposit in the United States mail by registered or certified mail (return
receipt requested) for United States deliveries. All notices for delivery outside the United States shall be sent by facsimile
or by express courier. All notices not delivered personally or by facsimile shall be sent with postage and other charges prepaid
and properly addressed to the party to be notified at the address set forth below, or at such other address as such other party
may designate by 10 days advance written notice to the other parties hereto:

 

	To
    Borrower:	To
    Lender:
	 	 
	999
    18th St., Suite 3000,	205
    West 57th Street, Suite 4AA
	Denver,
    CO 80202	New
    York, NY 10019
	Attention:
    Steve Howe	Attention:
    Lev Grzhonko
	Title:
    Manager	Title:
    Manager
	Email:
    showe@solajet.com	Email:
    levgrz@yahoo.com
	Phone:
    303-717-6055	Phone:
    415-786-4598

 

    	 

     

    

 

Any
and all notices dealing with Lender’s demand for the repayment of the Loan shall be dated, state the exact amount of the
Loan that needs to be repaid and shall be sent to the Borrower via one of the methods contained in this section.

 

8.7.
Modification; Waiver; Conflict. No modification or waiver of any provision of this Agreement or consent or departure
therefrom shall be effective unless in writing and approved by the Borrower and the Lender. The waiver by either party of a breach
or right under this Agreement will not constitute a waiver of any other or subsequent breach or right. If any provision of this
Agreement is found to be invalid or unenforceable by a court of competent jurisdiction, such provision shall be severed from the
remainder of this Agreement, which will remain in full force and effect. In case of a conflict between the terms of this Agreement,
the Security Agreement and the Note, of this Agreement shall prevail.

 

8.8.
Transfer. The Borrower agrees that Lender may sell, transfer, assign, or otherwise convey the Note. Notwithstanding the
foregoing, the Borrower hereby agrees that it shall not sell, transfer, assign or otherwise convey the Note without the prior
written consent of the Lender.

 

8.9.
Severability. If any provision of this Agreement is held invalid, illegal or unenforceable, (a) the validity, legality
and enforceability of the remaining provisions of this Agreement are not affected or impaired in any way, and (b) the parties
shall negotiate in good faith in an attempt to agree to another provision (instead of the provision held to be invalid, illegal,
or unenforceable) that is valid, legal and enforceable and carries out the parties’ intentions to the greatest lawful extent
under this Agreement.

 

8.10.
Further Assurances. The parties agree to execute such further documents and instruments and to take such further actions
as may be reasonably necessary to carry out the purposes and intent of this Agreement.

 

8.11.
No Strict Construction. The parties hereto have participated jointly in the negotiation and drafting of this Agreement.
In the event an ambiguity or question of intent or interpretation arises, this Agreement shall be construed as if drafted jointly
by the parties hereto and no presumption or burden of proof shall arise favoring or disfavoring any party by virtue of the authorship
of any provisions of this Agreement.

 

8.12.
Entire Agreement. This Agreement constitutes the entire agreement between the parties as to the subject matter hereof and
supersedes any prior proposals, agreements and/or representations between the parties.

 

*****

 

[REMAINDER
OF THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK]

 

    	 

     

    

 

[SIGNATURE
PAGE TO THE SECURED LOAN AND REVENUE PARTICIPATION

AGREEMENT]

 

IN
WITNESS WHEREOF, the parties have executed this Agreement as of the date first written above.

 

	LENDER:	 	BORROWER:
	 	 	 	 	 
	Chartwell Capital US LP	 	Solajet Financing Company
    LLC
	 	 	 	 	 
	 	/s/
    Lev Grzhonko	 	 	/s/
    Steve Howe
	Name:	Lev Grzhonko	 	Name:	Steve Howe
	Title:	Manager	 	Title:	Manager

 

    	 

     

    

 

Addendum
A

to
the

 Secured
Loan and Revenue Participation Agreement

 

Promissory
Note

 

    	 

     

    

 

PROMISSORY
NOTE

 

	US
    $105,000	March
    10th, 2020

 

FOR
VALUE RECEIVED, Solajet Financing Company LLC, a Colorado limited liability company, Colorado entity ID number 20191705212,
with its registered address and principal place of business located at 999 18th St., Suite 3000, Denver, CO 80202 (the “Maker”),
hereby promises to pay to the order of Chartwell Capital US LP, a Delaware limited partnership with its principal
place of business located at 205 West 57th Street, Suite 4AA, New York, NY 10019 (the “Payee”),
the sum of One Hundred and Five Thousand Dollars ($105,000) together with interest thereon in the manner provided below.

 

This
Promissory Note (the “Note”) is issued pursuant to that certain Secured Loan and Revenue Participation
Agreement dated March 10, 2020 between Maker and Payee (the “SLRP Agreement”). Under the terms of the
SLRP Agreement, the obligations contained in this Note are secured by Collateral (as defined in the Security Agreement which is
Addendum B of the SLRP Agreement). Furthermore, Steve Randall Howe, an individual with his primary place of residence located
at 999 18th Street, Suite 3000, Denver, CO 80202 and Nickolay Kukekov, an individual with his primary place of residence located
at 4524 Westway Ave, Dallas, TX 75205 (each a “Guarantor” and jointly the “Guarantors”)
have agreed to jointly and severally personally guarantee the obligation of the Maker under the terms hereof and under the terms
of the SLRP Agreement by executing the form of Continuing Guarantee attached hereto as Exhibit A.

 

The
total principal balance $105,000 shall accrue simple interest (no compounding) of 18.2% per annum and the principal and interest
shall be repaid by the Maker to the Payee in accordance with Section 1.5 of the SLRP Agreement. Unless stated otherwise in the
SLRP Agreement or demanded earlier by the Payee in accordance with Section 1.6 thereof, the aforementioned payments shall continue
to be made, without interruption or delay, by the Maker to the Payee until the Maturity Date, as defined in the SLRP Agreement.
After the Maturity Date, whether by acceleration or otherwise, or in case of an Event of Default, interest on the unpaid principal
balance shall be at the Default Rate, as defined below.

 

Maker
has the right to prepay this Note in whole or in part before the Maturity Date or demand thereon, without penalty or premium but
subject to the prorated total due for the interest. In such a case, Maker’s obligations under Section 7 of the SLRP Agreement
shall continue to remain enforceable by the Payee against the Maker until fully satisfied. Payee has the right to demand payment
on this Note in whole or in part before Maturity or demand thereon, without penalty or premium but subject to the prorated total
due for the interest.

 

Payments
of principal and interest shall be made by check to Payee at the address listed above, or, in Payee’s sole discretion, by
wire transfer to an account designated by Payee, included in the SLRP Agreement as Addendum C. All payments will be applied in
the following order: first, in the Event of Default, to any costs and expenses incurred by Payee, including reasonable attorney’s
fees, second, to the payment of accrued interest and, finally, to the principal balance hereof.

 

    	 

     

    

 

Time
is of the essence on this Promissory Note. In the event that: (a) Maker fails to make any payment of principal or interest when
due, including when Payee exercises his right under Section 1.6 of the SLRP Agreement, or Maker fails to satisfy its obligations
under Section 7 of the SLRP Agreement and such default is not cured within ten (10) calendar days thereafter; (b) Maker is insolvent
or unable to pay its debts as they mature; (c) Maker makes an assignment for the benefit of creditors, files a petition of bankruptcy,
receives or requests any trustee for a substantial part of its assets, or commences any proceeding under any bankruptcy reorganization,
rearrangement, readjustment, or debt, dissolution or liquidation law or statute of any jurisdiction, whether now or hereafter
in effect, or if there is filed any such petition or application, or any such proceeding is commenced against Maker; or (d) the
Maker shall breach any term or provision of the SLRP Agreement which shall include any “Event of Default” as defined
in such SLRP Agreement (each of which shall constitute an “Event of Default” hereunder), the entire
unpaid principal balance hereof, and all interest then accrued and unpaid shall accelerate and immediately become due and payable,
without notice or demand together with any and all payment obligations under Section 7 of the SLRP Agreement. Upon any Event of
Default, any unpaid portion of the principal and all accrued and unpaid interest due under this Promissory Note shall bear interest
from the date of such Event of Default and until all obligations hereunder are paid in full at the rate of twenty four percent
(24%) per annum or the maximum interest rate permitted by law, whichever is greater (the “Default Rate”).

 

All
agreements between Maker and Payee, whether now existing or hereafter arising and whether written or oral, are hereby limited
so that in no contingency shall the interest contracted for, charged, received, paid or agreed to be paid to Payee exceed the
maximum amount permissible under applicable law. If, under any circumstances whatsoever, interest would otherwise be payable to
Payee in excess of the maximum lawful amount, the interest payable to Payee shall be reduced to the maximum amount permitted under
applicable law. Furthermore, Maker and Payee acknowledge and agree that the obligations of Maker under Section 7 of the SLRP Agreement
are separate and distinct from the principal and interest repayment obligations described herein and in Section 1 of the SLRP
Agreement and in no instance shall the obligations under Section 7 be interpreted or construed to be a part of any principal and
interest obligations under Section 1. Maker and Guarantors, jointly and severally, hereby agree to indemnify the Payee, or any
holder of this Note, against and hold it harmless from any costs and expenses, including, without limitation, reasonable attorneys’
fees, disbursements and court costs, incurred by the Payee, or any holder of this Note, in connection with the enforcement of
the terms hereof.

 

If
this Note becomes due or payable on a Saturday, Sunday or public holiday under the laws of the State of New York, the due date
thereof shall be extended to the next succeeding business day. Presentment for payment, notice of dishonor, protest and notice
of protest are hereby waived.

 

No
delay on the part of Payee, or any holder hereof, in exercising any power or rights hereunder shall operate as a waiver of any
power or rights. Any demand or notice hereunder to Maker shall be deemed duly given or made (a) when sent, if given by facsimile,
telecopier or electronic mail, (b) when delivered, if given by personal delivery, (c) one business day after deposit with a recognized
express overnight courier, or (d) three business days after deposit in the United States mail, certified mail, return receipt
requested, addressed to Maker at its address or facsimile number set forth above or such other address or facsimile number as
may be hereafter designated in writing by Maker to Payee. If any provision of this Promissory Note is held invalid, illegal or
unenforceable, (a) the validity, legality and enforceability of the remaining provisions of this Promissory Note are not affected
or impaired in any way, and (b) the parties shall negotiate in good faith in an attempt to agree to another provision (instead
of the provision held to be invalid, illegal, or unenforceable) that is valid, legal and enforceable and carries out the parties’
intentions to the greatest lawful extent under this Promissory Note.

 

    	 

     

    

 

IN
ALL RESPECTS, INCLUDING ALL MATTERS OF CONSTRUCTION, VALIDITY AND PERFORMANCE, THIS NOTE AND THE OBLIGATIONS ARISING HEREUNDER
SHALL BE GOVERNED BY, AND CONSTRUED AND ENFORCED IN ACCORDANCE WITH, THE LAWS OF THE STATE OF NEW YORK APPLICABLE TO CONTRACTS
MADE AND PERFORMED IN THAT STATE, AND ANY APPLICABLE LAWS OF THE UNITED STATES OF AMERICA. THE MAKER HEREBY CONSENTS AND AGREES
THAT THE STATE OR FEDERAL COURTS LOCATED IN NEW YORK COUNTY, CITY OF NEW YORK, STATE OF NEW YORK, SHALL HAVE EXCLUSIVE JURISDICTION
TO HEAR AND DETERMINE ANY CLAIMS OR DISPUTES BETWEEN THE MAKER AND THE PAYEE PERTAINING TO THIS NOTE OR ANY OF THE OTHER LOAN
DOCUMENTS OR TO ANY MATTER ARISING OUT OF OR RELATING TO THIS NOTE OR ANY OF THE OTHER LOAN DOCUMENTS, PROVIDED, THAT MAKER
ACKNOWLEDGES THAT ANY APPEALS FROM THOSE COURTS MAY HAVE TO BE HEARD BY A COURT LOCATED OUTSIDE OF NEW YORK COUNTY, CITY OF NEW
YORK, STATE OF NEW YORK, AND, PROVIDED, FURTHER, NOTHING IN THIS NOTE SHALL BE DEEMED OR OPERATE TO PRECLUDE THE PAYEE
FROM BRINGING SUIT OR TAKING OTHER LEGAL ACTION IN ANY OTHER JURISDICTION TO ENFORCE A JUDGMENT OR OTHER COURT ORDER IN FAVOR
OF THE PAYEE. THE MAKER EXPRESSLY SUBMITS AND CONSENTS IN ADVANCE TO SUCH JURISDICTION IN ANY ACTION OR SUIT COMMENCED IN ANY
SUCH COURT, AND MAKER HEREBY WAIVES ANY OBJECTION WHICH IT MAY HAVE BASED UPON LACK OF PERSONAL JURISDICTION, IMPROPER VENUE OR
FORUM NON CONVENIENS AND HEREBY CONSENTS TO THE GRANTING OF SUCH LEGAL OR EQUITABLE RELIEF AS IS DEEMED APPROPRIATE BY
SUCH COURT. THE MAKER HEREBY WAIVES PERSONAL SERVICE OF THE SUMMONS, COMPLAINT AND OTHER PROCESS ISSUED IN ANY SUCH ACTION OR
SUIT AND AGREES THAT SERVICE OF SUCH SUMMONS, COMPLAINTS AND OTHER PROCESS MAY BE MADE BY REGISTERED OR CERTIFIED MAIL ADDRESSED
TO MAKER AT THE NOTICE ADDRESS PROVIDED HEREIN, AND THAT SERVICE SO MADE SHALL BE DEEMED COMPLETED UPON THE EARLIER OF ACTUAL
RECEIPT THEREOF OR THREE (3) DAYS AFTER DEPOSIT IN THE U.S. MAIL, PROPER POSTAGE PREPAID.

 

DISPUTES
ARISING IN CONNECTION WITH COMPLEX FINANCIAL TRANSACTIONS ARE MOST QUICKLY AND ECONOMICALLY RESOLVED BY AN EXPERIENCED AND EXPERT
PERSON AND THE MAKER AND THE PAYEE WISH APPLICABLE STATE AND FEDERAL LAWS TO APPLY (RATHER THAN ARBITRATION RULES), THE MAKER
AND THE PAYEE EACH DESIRES THAT DISPUTES ARISING HEREUNDER OR RELATING HERETO BE RESOLVED BY A JUDGE APPLYING SUCH APPLICABLE
LAWS. THEREFORE, TO ACHIEVE THE BEST COMBINATION OF THE BENEFITS OF THE JUDICIAL SYSTEM, THE MAKER AND THE PAYEE EACH WAIVES ALL
RIGHT TO TRIAL BY JURY IN ANY ACTION, SUIT OR PROCEEDING BROUGHT TO RESOLVE ANY DISPUTE, WHETHER SOUNDING IN CONTRACT, TORT, OR
OTHERWISE, BETWEEN THE MAKER AND THE PAYEE ARISING OUT OF, CONNECTED WITH, RELATED TO, OR INCIDENTAL TO THE RELATIONSHIP ESTABLISHED
IN CONNECTION WITH, THIS NOTE OR ANY OF THE OTHER LOAN DOCUMENTS OR THE TRANSACTIONS RELATED HERETO OR THERETO. EACH OF PAYEE
AND THE MAKER HEREBY (I) CERTIFIES THAT NO REPRESENTATIVE, AGENT OR ATTORNEY OF THE OTHER HAS REPRESENTED, EXPRESSLY OR OTHERWISE,
THAT THE OTHER WOULD NOT, IN THE EVENT OF A PROCEEDING, SEEK TO ENFORCE THE FOREGOING WAIVER AND (II) ACKNOWLEDGES THAT IT HAS
BEEN INDUCED TO ENTER INTO THIS NOTE BY, AMONG OTHER THINGS, THE MUTUAL WAIVERS AND CERTIFICATIONS IN THIS PARAGRAPH. THIS PARAGRAPH
SHALL NOT RESTRICT THE PAYEE OR THE MAKER FROM EXERCISING REMEDIES UNDER THE UNIFORM COMMERCIAL CODE OR FROM EXERCISING PRE-JUDGMENT
REMEDIES UNDER ANY APPLICABLE LAW.

 

*****

 

[REMAINDER
OF THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK]

 

    	 

     

    

 

[SIGNATURE
PAGE TO THE PROMISSORY NOTE]

 

IN
WITNESS WEREOF, the Maker has caused this Promissory Note to be executed as of the date above first written.

 

	Solajet Financing Company
    LLC	 
	 	 	 
		/s/
    Steve Howe	 
	Name:	Steve Howe	 
	Title:	Manager	 

 

    	 

     

    

 

Exhibit
A

to the

Promissory
Note

 

Continuing
Personal Guarantee

 

    	 

     

    

 

CONTINUING
PERSONAL GUARANTEE

 

THIS
CONTINUING PERSONAL GUARANTEE (this Guarantee), dated as of March 10th, 2020, is entered into by Steve
Randall Howe, an individual with his primary place of residence located at 999 18th Street, Suite 3000, Denver, CO 80202,
Colorado Drivers License Customer No. 02-309-0746 (the Guarantor), for the benefit of Chartwell Capital US
LP, a Delaware limited partnership with its principal place of business located at 205 West 57th Street, Suite 4AA, New
York, NY 10019 (the Beneficiary).

 

W
I T N E S S E T H :

 

WHEREAS,
the Guarantor is a principal and beneficial owner of Solajet Financing Company LLC, a Colorado limited liability
company, Colorado entity ID number 20191705212, with its registered address and principal place of business located at 999 18th
St., Suite 3000, Denver, CO 80202 (the “Company”); and

 

WHEREAS,
the Beneficiary agrees to make a loan to the Company, a Colorado limited liability company, in the amount of US$105,000 (one hundred
and five thousand United States dollars) in exchange for, among other things, assurances that the Company will continue to be
run efficiently and specifically not take any actions referred to herein as Trigger Actions; and

 

WHEREAS,
the Guarantor will derive personal and financial benefit from the Beneficiary’s agreement to make the aforementioned loan
to the Company;

 

NOW,
THEREFORE, in consideration of the promises and covenants set forth herein, and for other valuable consideration, the sufficiency
of which is hereby acknowledged, the Guarantor hereby agrees as follows:

 

ARTICLE
I – DEFINITIONS AND RULES OF CONSTRUCTION

 

Definitions

 

1.1
As used in this Guarantee:

 

Bankruptcy
Code shall mean the United States Bankruptcy Code, Title 11 of the United States Code, as amended, or any similar Law
affecting bankruptcy and insolvency generally in any other jurisdiction, as applicable.

 

Beneficiary
shall have the meaning set forth in the introductory paragraph to this Guarantee.

 

Business
Day shall mean a day of the year on which banks are not required or authorized by law to close in New York City.

 

Company
shall have the meaning set forth in the recitals to this Guarantee.

 

Governmental
Authority shall mean any nation and any political subdivision of such nation, and any government, department, court, commission,
board, bureau, ministry, agency, or other instrumentality of such a nation or political subdivision, which exercises or is entitled
to excise administrative, executive, judicial legislative, police, regulatory or taxing authority.

 

    	 

     

    

 

Guarantee
shall mean this guarantee.

 

Guarantor
shall have the meaning set forth in the introductory paragraph to this Guarantee.

 

Law
shall mean any law, statute, rule, regulation, ordinance, order, decree, requirement, judgment, or code of any Governmental
Authority that had both been published by any Governmental Authority or recognized commercial compiler of laws in effect at the
time of the activity in question.

 

Note
shall mean the promissory note issued for a principal amount of US$105,000 (one hundred and five thousand United States
dollars), dated as of the date of this Guarantee.

 

Person
shall mean any individual, partnership, corporation (including a business trust), joint stock company, trust, unincorporated
association, joint venture, limited liability company or other entity, or a government or any political subdivision or agent thereof.

 

Secured
Loan and Revenue Participation Agreement shall mean the secured loan and revenue participation agreement entered into
by and between the Company and the Beneficiary, dated as of the date of this Guarantee.

 

Security
Agreement shall mean Addendum B of the Secured Loan and Revenue Participation Agreement, dated as of the date of this
Guarantee.

 

Tax
shall mean all taxes, including income tax, surtax, remittance tax, presumptive tax, net worth tax, special contribution,
production tax, transportation tax, value added tax, withholding tax, gross proceeds or receipts tax, windfall profits tax, profits
tax, severance tax, personal property tax, real property tax, sales tax, service tax, transfer tax, use tax, excise tax, premium
tax, customs duties, stamp tax, motor vehicle tax, entertainment tax, insurance tax, capital stock tax, franchise tax, occupation
tax, payroll tax, employment tax, social security, unemployment tax, disability tax, alternative or add-on minimum tax, estimated
tax, labor participation, and any other assessments, duties, fees, levies or other charges imposed by a Governmental Authority,
together with any interests, fine or penalty on such Tax.

 

Trigger
Event shall mean (a) the institution by the Company of proceedings to be adjudicated as bankrupt or insolvent, or the
consent by the same to institution of bankruptcy or insolvency proceedings against it or the filing by it of a petition or answer
or consent seeking reorganization or release under the Bankruptcy Code, or any other applicable Federal or state Law, or the consent
by it to the filing of any such petition or the appointment of a receiver, liquidator, assignee, trustee or other similar official
of Company, or of any substantial part of its property, or the making by it of an assignment for the benefit of creditors, or
the taking of action by the Company in furtherance of any such action; (b) an involuntary petition is filed, or any proceeding
or case is commenced, against the Company (unless such proceeding or case is dismissed or discharged within sixty (60) days of
the filing or commencement thereof) under the Bankruptcy Code or any other Federal or state bankruptcy, reorganization, arrangement,
insolvency, adjustment of debt, liquidation or moratorium Law now or hereafter in effect, or a custodian, receiver, trustee, assignee
for the benefit of creditors (or other similar official) is applied for, appointed for the Company or to take possession, custody
or control of any property of the same, or an order for relief is entered against the same in any of the foregoing, or (c) there
is an Event of Default as defined either in the Note, the Secured Loan and Revenue Participation Agreement or the Security Agreement.

 

    	 

     

    

 

References;
Rules of Construction

 

1.2
In this Guarantee:

 

(a)
References to any gender include a reference to all other genders;

 

(b)
References to the singular include the plural, and vice versa;

 

(c)
Reference to any Article or Section means an Article or Section of this Guarantee;

 

(e)
Unless expressly provided to the contrary, “hereunder,” “hereof,” “herein,” and words of similar
import are references to this Guarantee as a whole and not any particular Section or other provision of this Guarantee;

 

(f)
“Include” and “including” shall mean include or including without limiting the generality of the description
preceding such term; and

 

(g)
in the computation of periods of time from a specified date to a later specified date, the word “from” means “from
and including” and the words “to” and “until” each means “to but excluding”.

 

Article
II – Terms and Conditions of Guarantee 

 

Continuing
Conditional Guarantee

 

2.1(a)
Upon the occurrence of any Trigger Event, Guarantor guarantees to pay upon demand (i) any amounts which become due and payable
pursuant to the Note and the Secured Loan and Revenue Participation Agreement; and (ii) any monetary amount that must be paid
arising in connection with any loss, damages, claim (including claims for indemnity and/or contribution in any form), demand,
action, suit, request, proceeding, or cause of action, in law or equity, for damages or other relief, that is brought against
the Company or any of their respective members, managers, employees or agents, or against Beneficiary in connection with (A) any
failure on the part of the Guarantor to take all actions as may be necessary, convenient and/or proper to avoid the occurrence
of any Trigger Event; or (B) any actions or omissions on the part of Guarantor, whether performed in Guarantor’s capacity
as a member of the Company, an employee or agent of the Company, or otherwise in connection with the Guarantor’s relationship
with the Company or the Beneficiary, which constitute gross negligence or willful misconduct (all such obligations listed in items
(i) and (ii) being hereinafter referred to collectively as the Guaranteed Liabilities). Guarantor further agrees
to pay all costs and expenses, including, without limitation, all court costs and reasonable attorneys’ and paralegals’
fees paid or incurred by Beneficiary in endeavoring to collect all or any part of the Guaranteed Liabilities from, or in prosecuting
any action against, the Guarantor, for all or any part of Guaranteed Liabilities. All amounts payable by Guarantor under this
Guarantee shall be payable, in cash or immediately available funds denominated in United States Dollars, within 3 (three) Business
Days upon written demand by Beneficiary. As indicated in the Note, the Guarantor is agreeing to provide this Guarantee jointly
and severally with Nickolay Kukekov as the other guarantor executing a Guarantee.

 

    	 

     

    

 

(b)
Guarantor hereby agrees that, except as expressly provided herein, his obligations under this Guarantee shall be unconditional
upon the occurrence of any Trigger Event, irrespective of (i) the validity or enforceability of the Guaranteed Liabilities or
any part thereof, or of any document evidencing all or any part of the Guaranteed Liabilities, (ii) the absence of any attempt
to collect the Guaranteed Liabilities from the Company or other action to enforce the same, (iii) the waiver or consent by the
Beneficiary with respect to any provision of any instrument evidencing the Guaranteed Liabilities, or any part thereof, or any
other agreement heretofore, now or hereafter executed by the Guarantor and delivered to the Beneficiary, (iv) failure by the Beneficiary
to take any steps to perfect and maintain its security interest in, or to preserve its rights to, any security or collateral for
the Guaranteed Liabilities, (v) the institution of any proceeding under the Bankruptcy Code, or any similar proceeding, by or
against the Guarantor, or the Beneficiary’s election in any such proceeding of the application of Section 1111(b)(2) of
the Bankruptcy Code, (vi) any borrowing or grant of a security interest by Borrower as debtor-in-possession, under Section 364
of the Bankruptcy Code, (vii) the disallowance, under Section 502 of the Bankruptcy Code, of all or any portion of the Beneficiary’s
claim(s) for repayment of the Guaranteed Liabilities, or (viii) any other circumstance which might otherwise constitute a legal
or equitable discharge or defense of a guarantor.

 

Waiver

 

2.2
Subject only to the occurrence of a Trigger Event, the Guarantor hereby waives diligence, presentment, demand of payment, filing
of claims with a court in the event of receivership or bankruptcy of the Guarantor, protest or notice with respect to the Guaranteed
Liabilities and all demands whatsoever, and covenants that this Guarantee will not be discharged, except by complete performance
of the obligations and liabilities contained herein. The Beneficiary may, at its sole election, proceed directly and at once,
without notice, against the Guarantor to collect and recover the full amount or any portion of the Guaranteed Liabilities, without
first proceeding against the Company or any other Person, or against any security or collateral for the Guaranteed Liabilities.
Guarantor hereby agrees that he shall in no manner interpose any counterclaim of whatever nature or description whatsoever in
any proceeding under the terms of this Guarantee.

 

Authorization

 

2.3
The Beneficiary is hereby authorized, without notice or demand and without affecting the liability of the Guarantor hereunder,
to at any time and from time to time (i) renew, extend, accelerate or otherwise change the time for payment of, or other terms
relating to, the Guaranteed Liabilities; (ii) accept partial payments on the Guaranteed Liabilities; (iii) take and hold security
or collateral for the payment of the Guaranteed Liabilities guaranteed hereby, or for the payment of this Guarantee; (iv) apply
such security or collateral and direct the order or manner of sale thereof as in its sole discretion it may determine; and (v)
settle, release, compromise, collect or otherwise liquidate the Guaranteed Liabilities and any security or collateral therefor
in any manner, without affecting or impairing the obligations of Guarantor hereunder.

 

    	 

     

    

 

Term
of Guarantee

 

2.4
The Guarantor hereby agrees that this Guarantee shall cover Guaranteed Liabilities that accrue from the date of this Guarantee
and cover any actions taken between the date of this Guarantee and the date on which the Note and the Secured Loan and Revenue
Participation Agreement is satisfied in full according to its terms. Notwithstanding any of the foregoing, this Guarantee will
continue in full force and effect until the date that is 6 (six) years from the date on which the last Guaranteed Liabilities
accrued pursuant to the previous sentence. This Guarantee shall inure to the benefit of and be enforceable by the Beneficiary
and its successors and assigns.

 

ARTICLE
III - MISCELLANEOUS

 

Waivers
and Amendments

 

3.1
This Guarantee may be amended, superseded or canceled only by a written instrument signed by the Beneficiary. No delay on the
part of the Beneficiary in exercising any right, power or privilege hereunder shall operate as a waiver thereof, nor shall any
waiver on the part of the Beneficiary of any right, power or privilege hereunder, nor any single or partial exercise of any right,
power or privilege hereunder, preclude any other or further exercise thereof or the exercise of any other right, power or privilege
hereunder. The rights and remedies of the Beneficiary contained herein provided shall be cumulative and not exclusive of any rights
or remedies provided by Law.

 

Governing
Law; Consent to Jurisdiction; Waiver of Jury Trial

 

3.2(a)
This Guarantee shall be construed in accordance with, and this Guarantee and all matters arising out of or relating in any way
whatsoever (whether in contract, tort or otherwise) to this Guarantee shall be governed by, the law of the State of New York.

 

(b)
Any dispute, claim or controversy arising out of or relating to this Guarantee or the breach, termination, enforcement, interpretation
or validity thereof, including the determination of the scope or applicability of this consent to arbitrate, shall be determined
by arbitration in the City of New York, New York before one arbitrator. The arbitration shall be administered by JAMS pursuant
to its Comprehensive Arbitration Rules and Procedures and in accordance with the Expedited Procedures in those Rules. Judgment
on the award may be entered in any court having jurisdiction. This clause shall not preclude parties from seeking provisional
remedies in aid of arbitration or to enforce an arbitral award from a court of appropriate jurisdiction as set forth in Section
3.2(c).

 

(c)
Except as otherwise set forth in Section 3.2(b), the Guarantor hereby irrevocably submits to the exclusive jurisdiction of any
New York State or Federal court sitting in the County, City and State of New York in any action or proceeding arising out of or
relating to this Guarantee, and the Guarantor hereby irrevocably agrees that all claims in respect of such action or proceeding
may be heard and determined in such New York State or Federal court. Guarantor hereby irrevocably waives, to the fullest extent
that he may legally do so, the defense of an inconvenient forum to the maintenance of such action or proceeding.

 

    	 

     

    

 

(d)
THE GUARANTOR HEREBY WAIVES, TO THE FULLEST EXTENT PERMITTED BY APPLICABLE LAW, ANY RIGHT THAT HE MAY HAVE TO A TRIAL BY JURY
IN RESPECT OF ANY PROCEEDING DIRECTLY OR INDIRECTLY ARISING OUT OF OR RELATING TO THIS GUARANTEE OR THE TRANSACTIONS CONTEMPLATED
HEREBY (WHETHER BASED ON CONTRACT, TORT OR ANY OTHER THEORY). The Guarantor hereby certifies that no representative, agent
or attorney of the Beneficiary has represented, expressly or otherwise, that the Beneficiary would not, in the event of a proceeding,
seek to enforce the foregoing waiver.

 

Severability

 

3.3
The invalidity of unenforceability of any provision hereof shall in no way affect the validity or enforceability of any other
provision. Without limiting the generality of the foregoing, this Guarantee is intended to confer upon Beneficiary a guarantee
of its indemnification rights to the fullest extent permitted by applicable Laws. In the event any provision hereof conflicts
with any applicable Law in any jurisdiction, such provision shall be deemed modified, consistent with the aforementioned intent,
to the extent necessary to resolve such conflict in such jurisdiction, without affecting the enforceability of such provision
in any other jurisdiction.

 

Headings

 

3.4
The various headings of this Guarantee are inserted for convenience only and shall not affect the meaning or interpretation of
this Guarantee or any provisions hereof.

 

Voluntary
Execution of this Guarantee

 

3.5
This Guarantee is executed by the Guarantor voluntarily and without any duress or any undue influence on the part or behalf of
the Beneficiary. The Guarantor acknowledges that:

 

(a)
the Guarantor has read this Guarantee;

 

(b)
the Guarantor has been represented in the preparation, negotiation and execution of this Guarantee by legal counsel of his own
choice, who have explained the terms and conditions of this Guarantee to the Guarantor, and the Guarantor has had the opportunity
to ask questions of such counsel regarding the Guarantee;

 

(c)
the Guarantor fully understands the terms and consequences of this Guarantee and the representations, warranties, covenants and
other promises it contains; and

 

(d)
the Guarantor is fully aware of the legal and binding effect of this Guarantee;

 

(e)
no consideration was promised to the Guarantor that is not explicitly mentioned in this Guarantee or any other documents executed
in connection with this Guarantee; and

 

(f)
the Guarantor agrees that the usual rule of construction that any ambiguities are to be resolved against the drafting party shall
be inapplicable in the construing and interpretation of this Guarantee and any amendments, exhibits or schedules hereto.

 

    	 

     

    

 

[SIGNATURE
PAGE TO THE CONTINUING PERSONAL GUARANTEE]

 

IN
WITNESS WEREOF, the Guarantor has caused this Guarantee to be executed as of the date above first written.

 

	Steve Randall Howe	 
	 	 

 

    	 

     

    

 

CONTINUING
PERSONAL GUARANTEE

 

THIS
CONTINUING PERSONAL GUARANTEE (this Guarantee), dated as of March 10th, 2020, is entered into by Nickolay
Kukekov, an individual with his primary place of residence located at 4524 Westway Ave, Dallas, TX 75205 (the Guarantor),
for the benefit of Chartwell Capital US LP, a Delaware limited partnership with its principal place of business
located at 205 West 57th Street, Suite 4AA, New York, NY 10019 (the Beneficiary).

 

W
I T N E S S E T H :

 

WHEREAS,
the Guarantor is a principal and beneficial owner of Bed Therapies, Inc., a Texas corporation with its registered
office address located at 4524 Westway Ave., Dallas, TX 75205 (“BTI”); and

 

WHEREAS,
BTI is in the business of designing, manufacturing, selling and leasing the Solajet therapy bed using the Solajet Financing
Company LLC, a Colorado limited liability company, Colorado entity ID number 20191705212, with its registered address
and principal place of business located at 999 18th St., Suite 3000, Denver, CO 80202, to handle the financing for its leasing
activities (the “Company”); and

 

WHEREAS,
the Beneficiary agrees to make a loan to the Company, a Colorado limited liability company, in the amount of US$105,000 (one hundred
and five thousand United States dollars) in exchange for, among other things, assurances that the Company will continue to be
run efficiently and specifically not take any actions referred to herein as Trigger Actions; and

 

WHEREAS,
the Guarantor will derive personal and financial benefit from the Beneficiary’s agreement to make the aforementioned loan
to the Company;

 

NOW,
THEREFORE, in consideration of the promises and covenants set forth herein, and for other valuable consideration, the sufficiency
of which is hereby acknowledged, the Guarantor hereby agrees as follows:

 

ARTICLE
I – DEFINITIONS AND RULES OF CONSTRUCTION

 

Definitions

 

1.1
As used in this Guarantee:

 

Bankruptcy
Code shall mean the United States Bankruptcy Code, Title 11 of the United States Code, as amended, or any similar Law
affecting bankruptcy and insolvency generally in any other jurisdiction, as applicable.

 

Beneficiary
shall have the meaning set forth in the introductory paragraph to this Guarantee.

 

Business
Day shall mean a day of the year on which banks are not required or authorized by law to close in New York City.

 

Company
shall have the meaning set forth in the recitals to this Guarantee.

 

    	 

     

    

 

Governmental
Authority shall mean any nation and any political subdivision of such nation, and any government, department, court, commission,
board, bureau, ministry, agency, or other instrumentality of such a nation or political subdivision, which exercises or is entitled
to excise administrative, executive, judicial legislative, police, regulatory or taxing authority.

 

Guarantee
shall mean this guarantee.

 

Guarantor
shall have the meaning set forth in the introductory paragraph to this Guarantee.

 

Law
shall mean any law, statute, rule, regulation, ordinance, order, decree, requirement, judgment, or code of any Governmental
Authority that had both been published by any Governmental Authority or recognized commercial compiler of laws in effect at the
time of the activity in question.

 

Note
shall mean the promissory note issued for a principal amount of US$105,000 (one hundred and five thousand United States
dollars), dated as of the date of this Guarantee.

 

Person
shall mean any individual, partnership, corporation (including a business trust), joint stock company, trust, unincorporated
association, joint venture, limited liability company or other entity, or a government or any political subdivision or agent thereof.

 

Secured
Loan and Revenue Participation Agreement shall mean the secured loan and revenue participation agreement entered into
by and between the Company and the Beneficiary, dated as of the date of this Guarantee.

 

Security
Agreement shall mean Addendum B of the Secured Loan and Revenue Participation Agreement, dated as of the date of this
Guarantee.

 

Tax
shall mean all taxes, including income tax, surtax, remittance tax, presumptive tax, net worth tax, special contribution,
production tax, transportation tax, value added tax, withholding tax, gross proceeds or receipts tax, windfall profits tax, profits
tax, severance tax, personal property tax, real property tax, sales tax, service tax, transfer tax, use tax, excise tax, premium
tax, customs duties, stamp tax, motor vehicle tax, entertainment tax, insurance tax, capital stock tax, franchise tax, occupation
tax, payroll tax, employment tax, social security, unemployment tax, disability tax, alternative or add-on minimum tax, estimated
tax, labor participation, and any other assessments, duties, fees, levies or other charges imposed by a Governmental Authority,
together with any interests, fine or penalty on such Tax.

 

Trigger
Event shall mean (a) the institution by the Company of proceedings to be adjudicated as bankrupt or insolvent, or the
consent by the same to institution of bankruptcy or insolvency proceedings against it or the filing by it of a petition or answer
or consent seeking reorganization or release under the Bankruptcy Code, or any other applicable Federal or state Law, or the consent
by it to the filing of any such petition or the appointment of a receiver, liquidator, assignee, trustee or other similar official
of Company, or of any substantial part of its property, or the making by it of an assignment for the benefit of creditors, or
the taking of action by the Company in furtherance of any such action; (b) an involuntary petition is filed, or any proceeding
or case is commenced, against the Company (unless such proceeding or case is dismissed or discharged within sixty (60) days of
the filing or commencement thereof) under the Bankruptcy Code or any other Federal or state bankruptcy, reorganization, arrangement,
insolvency, adjustment of debt, liquidation or moratorium Law now or hereafter in effect, or a custodian, receiver, trustee, assignee
for the benefit of creditors (or other similar official) is applied for, appointed for the Company or to take possession, custody
or control of any property of the same, or an order for relief is entered against the same in any of the foregoing, or (c) there
is an Event of Default as defined either in the Note, the Secured Loan and Revenue Participation Agreement or the Security Agreement.

 

    	 

     

    

 

References;
Rules of Construction

 

1.2
In this Guarantee:

 

(a)
References to any gender include a reference to all other genders;

 

(b)
References to the singular include the plural, and vice versa;

 

(c)
Reference to any Article or Section means an Article or Section of this Guarantee;

 

(e)
Unless expressly provided to the contrary, “hereunder,” “hereof,” “herein,” and words of similar
import are references to this Guarantee as a whole and not any particular Section or other provision of this Guarantee;

 

(f)
“Include” and “including” shall mean include or including without limiting the generality of the description
preceding such term; and

 

(g)
in the computation of periods of time from a specified date to a later specified date, the word “from” means “from
and including” and the words “to” and “until” each means “to but excluding”.

 

Article
II – Terms and Conditions of Guarantee 

 

Continuing
Conditional Guarantee

 

2.1(a)
Upon the occurrence of any Trigger Event, Guarantor guarantees to pay upon demand (i) any amounts which become due and payable
pursuant to the Note and the Secured Loan and Revenue Participation Agreement up to the total principal amount of the Note; and
(ii) any monetary amount that must be paid arising in connection with any loss, damages, claim (including claims for indemnity
and/or contribution in any form), demand, action, suit, request, proceeding, or cause of action, in law or equity, for damages
or other relief, that is brought against the Company or any of their respective members, managers, employees or agents, or against
Beneficiary in connection with (A) any failure on the part of the Guarantor to take all actions as may be necessary, convenient
and/or proper to avoid the occurrence of any Trigger Event; or (B) any actions or omissions on the part of Guarantor, whether
performed in Guarantor’s capacity as a member of the Company, an employee or agent of the Company, or otherwise in connection
with the Guarantor’s relationship with the Company or the Beneficiary, which constitute gross negligence or willful misconduct
(all such obligations listed in items (i) and (ii) being hereinafter referred to collectively as the Guaranteed Liabilities).
Guarantor further agrees to pay all costs and expenses, including, without limitation, all court costs and reasonable attorneys’
and paralegals’ fees paid or incurred by Beneficiary in endeavoring to collect all or any part of the Guaranteed Liabilities
from, or in prosecuting any action against, the Guarantor, for all or any part of Guaranteed Liabilities. All amounts payable
by Guarantor under this Guarantee shall be payable, in cash or immediately available funds denominated in United States Dollars,
within 3 (three) Business Days upon written demand by Beneficiary. For purposes of clarity and avoidance of doubt, irrespective
of the type of damages, costs or monetary obligations owed to the Beneficiary as a result of a Trigger Event, in no instance shall
the Guarantor be liable for an amount greater than the principal amount of the Note of $105,000 (one hundred and five thousand
dollars) which may be recovered by the Beneficiary from the Guarantor in addition to any other amount the Beneficiary may be owed
and may recover under any other personal guarantee or the terms of the Secured Loan and Revenue Participation Agreement. As indicated
in the Note, the Guarantor, subject to the amount limitations stated herein, is agreeing to provide this Guarantee jointly and
severally with Steve Randall Howe as the other guarantor executing a Guarantee.

 

    	 

     

    

 

(b)
Guarantor hereby agrees that, except as expressly provided herein, his obligations under this Guarantee shall be unconditional
upon the occurrence of any Trigger Event, irrespective of (i) the validity or enforceability of the Guaranteed Liabilities or
any part thereof, or of any document evidencing all or any part of the Guaranteed Liabilities, (ii) the absence of any attempt
to collect the Guaranteed Liabilities from the Company or other action to enforce the same, (iii) the waiver or consent by the
Beneficiary with respect to any provision of any instrument evidencing the Guaranteed Liabilities, or any part thereof, or any
other agreement heretofore, now or hereafter executed by the Guarantor and delivered to the Beneficiary, (iv) failure by the Beneficiary
to take any steps to perfect and maintain its security interest in, or to preserve its rights to, any security or collateral for
the Guaranteed Liabilities, (v) the institution of any proceeding under the Bankruptcy Code, or any similar proceeding, by or
against the Guarantor, or the Beneficiary’s election in any such proceeding of the application of Section 1111(b)(2) of
the Bankruptcy Code, (vi) any borrowing or grant of a security interest by Borrower as debtor-in-possession, under Section 364
of the Bankruptcy Code, (vii) the disallowance, under Section 502 of the Bankruptcy Code, of all or any portion of the Beneficiary’s
claim(s) for repayment of the Guaranteed Liabilities, or (viii) any other circumstance which might otherwise constitute a legal
or equitable discharge or defense of a guarantor.

 

Waiver

 

2.2
Subject only to the occurrence of a Trigger Event, the Guarantor hereby waives diligence, presentment, demand of payment, filing
of claims with a court in the event of receivership or bankruptcy of the Guarantor, protest or notice with respect to the Guaranteed
Liabilities and all demands whatsoever, and covenants that this Guarantee will not be discharged, except by complete performance
of the obligations and liabilities contained herein. The Beneficiary may, at its sole election, proceed directly and at once,
without notice, against the Guarantor to collect and recover the full amount or any portion of the Guaranteed Liabilities, without
first proceeding against the Company or any other Person, or against any security or collateral for the Guaranteed Liabilities.
Guarantor hereby agrees that he shall in no manner interpose any counterclaim of whatever nature or description whatsoever in
any proceeding under the terms of this Guarantee.

 

    	 

     

    

 

Authorization

 

2.3
The Beneficiary is hereby authorized, without notice or demand and without affecting the liability of the Guarantor hereunder,
to at any time and from time to time (i) renew, extend, accelerate or otherwise change the time for payment of, or other terms
relating to, the Guaranteed Liabilities; (ii) accept partial payments on the Guaranteed Liabilities; (iii) take and hold security
or collateral for the payment of the Guaranteed Liabilities guaranteed hereby, or for the payment of this Guarantee; (iv) apply
such security or collateral and direct the order or manner of sale thereof as in its sole discretion it may determine; and (v)
settle, release, compromise, collect or otherwise liquidate the Guaranteed Liabilities and any security or collateral therefor
in any manner, without affecting or impairing the obligations of Guarantor hereunder.

 

Term
of Guarantee

 

2.4
The Guarantor hereby agrees that this Guarantee shall cover Guaranteed Liabilities that accrue from the date of this Guarantee
and cover any actions taken between the date of this Guarantee and the date on which the Note and the Secured Loan and Revenue
Participation Agreement is satisfied in full according to its terms. Notwithstanding any of the foregoing, this Guarantee will
continue in full force and effect until the date that is 6 (six) years from the date on which the last Guaranteed Liabilities
accrued pursuant to the previous sentence. This Guarantee shall inure to the benefit of and be enforceable by the Beneficiary
and its successors and assigns.

 

ARTICLE
III - MISCELLANEOUS

 

Waivers
and Amendments

 

3.1
This Guarantee may be amended, superseded or canceled only by a written instrument signed by the Beneficiary. No delay on the
part of the Beneficiary in exercising any right, power or privilege hereunder shall operate as a waiver thereof, nor shall any
waiver on the part of the Beneficiary of any right, power or privilege hereunder, nor any single or partial exercise of any right,
power or privilege hereunder, preclude any other or further exercise thereof or the exercise of any other right, power or privilege
hereunder. The rights and remedies of the Beneficiary contained herein provided shall be cumulative and not exclusive of any rights
or remedies provided by Law.

 

Governing
Law; Consent to Jurisdiction; Waiver of Jury Trial

 

3.2(a)
This Guarantee shall be construed in accordance with, and this Guarantee and all matters arising out of or relating in any way
whatsoever (whether in contract, tort or otherwise) to this Guarantee shall be governed by, the law of the State of New York.

 

(b)
Any dispute, claim or controversy arising out of or relating to this Guarantee or the breach, termination, enforcement, interpretation
or validity thereof, including the determination of the scope or applicability of this consent to arbitrate, shall be determined
by arbitration in the City of New York, New York before one arbitrator. The arbitration shall be administered by JAMS pursuant
to its Comprehensive Arbitration Rules and Procedures and in accordance with the Expedited Procedures in those Rules. Judgment
on the award may be entered in any court having jurisdiction. This clause shall not preclude parties from seeking provisional
remedies in aid of arbitration or to enforce an arbitral award from a court of appropriate jurisdiction as set forth in Section
3.2(c).

 

    	 

     

    

 

(c)
Except as otherwise set forth in Section 3.2(b), the Guarantor hereby irrevocably submits to the exclusive jurisdiction of any
New York State or Federal court sitting in the County, City and State of New York in any action or proceeding arising out of or
relating to this Guarantee, and the Guarantor hereby irrevocably agrees that all claims in respect of such action or proceeding
may be heard and determined in such New York State or Federal court. Guarantor hereby irrevocably waives, to the fullest extent
that he may legally do so, the defense of an inconvenient forum to the maintenance of such action or proceeding.

 

(d)
THE GUARANTOR HEREBY WAIVES, TO THE FULLEST EXTENT PERMITTED BY APPLICABLE LAW, ANY RIGHT THAT HE MAY HAVE TO A TRIAL BY JURY
IN RESPECT OF ANY PROCEEDING DIRECTLY OR INDIRECTLY ARISING OUT OF OR RELATING TO THIS GUARANTEE OR THE TRANSACTIONS CONTEMPLATED
HEREBY (WHETHER BASED ON CONTRACT, TORT OR ANY OTHER THEORY). The Guarantor hereby certifies that no representative, agent
or attorney of the Beneficiary has represented, expressly or otherwise, that the Beneficiary would not, in the event of a proceeding,
seek to enforce the foregoing waiver.

 

Severability

 

3.3
The invalidity of unenforceability of any provision hereof shall in no way affect the validity or enforceability of any other
provision. Without limiting the generality of the foregoing, this Guarantee is intended to confer upon Beneficiary a guarantee
of its indemnification rights to the fullest extent permitted by applicable Laws. In the event any provision hereof conflicts
with any applicable Law in any jurisdiction, such provision shall be deemed modified, consistent with the aforementioned intent,
to the extent necessary to resolve such conflict in such jurisdiction, without affecting the enforceability of such provision
in any other jurisdiction.

 

Headings

 

3.4
The various headings of this Guarantee are inserted for convenience only and shall not affect the meaning or interpretation of
this Guarantee or any provisions hereof.

 

Voluntary
Execution of this Guarantee

 

3.5
This Guarantee is executed by the Guarantor voluntarily and without any duress or any undue influence on the part or behalf of
the Beneficiary. The Guarantor acknowledges that:

 

(a)
the Guarantor has read this Guarantee;

 

(b)
the Guarantor has been represented in the preparation, negotiation and execution of this Guarantee by legal counsel of his own
choice, who have explained the terms and conditions of this Guarantee to the Guarantor, and the Guarantor has had the opportunity
to ask questions of such counsel regarding the Guarantee;

 

(c)
the Guarantor fully understands the terms and consequences of this Guarantee and the representations, warranties, covenants and
other promises it contains; and

 

(d)
the Guarantor is fully aware of the legal and binding effect of this Guarantee;

 

(e)
no consideration was promised to the Guarantor that is not explicitly mentioned in this Guarantee or any other documents executed
in connection with this Guarantee; and

 

(f)
the Guarantor agrees that the usual rule of construction that any ambiguities are to be resolved against the drafting party shall
be inapplicable in the construing and interpretation of this Guarantee and any amendments, exhibits or schedules hereto.

 

    	 	 	 

    	 

    

 

[SIGNATURE
PAGE TO THE CONTINUING PERSONAL GUARANTEE]

 

IN
WITNESS WEREOF, the Guarantor has caused this Guarantee to be executed as of the date above first written.

 

	Nickolay Kukekov	 
	 	 

 

    	 

     

    

 

Addendum
B

to
the

Secured
Loan and Revenue Participation Agreement

 

Security
Agreement

 

    	 

     

    

 

SECURITY
AGREEMENT

 

This
Security Agreement (this “Agreement”), dated as of this 10th day of March,
2020, is made by and between Solajet Financing Company LLC, a Colorado limited liability company, Colorado entity
ID number 20191705212, with its registered address and principal place of business located at 999 18th St., Suite 3000, Denver,
CO 80202 (the “Debtor”) and Chartwell Capital US LP, a Delaware limited partnership with its
principal place of business located at 205 West 57th Street, Suite 4AA, New York, NY 10019 (the “Secured
Party”). Under the terms hereof and pursuant to the terms of the Loan Documents, the Secured Party desires to obtain
and the Debtor desires to grant the Secured Party security for all of the Obligations (as hereinafter defined).

 

NOW,
THEREFORE, the Debtor and the Secured Party, intending to be legally bound, hereby agree as follows:

 

1.
Definitions.

 

(a)
“Collateral” shall include the Debtor’s tangible property, equipment and other property described
on Exhibit A attached hereto and made a part hereof (the “Property”); all general intangibles
relating to or arising from the Property, all cash and non-cash proceeds (including insurance proceeds) of the Property, all products
thereof and all additions and accessions thereto, substitutions therefor and replacements thereof.

 

(b)
“Loan Documents” means the Note (as hereafter defined), the Secured Loan and Revenue Participation Agreement
(executed contemporaneously herewith), this Agreement and all other documents and instruments evidencing, securing or executed
in connection therewith.

 

(c)
“Note” means that certain Promissory Note, dated as of the date hereof, made by Debtor, for the benefit
of Secured Party, in the original principal amount of $105,000.

 

(d)
“Obligations” shall include all debts, liabilities, obligations, covenants and duties owing from the Debtor
to the Secured Party of any kind or nature, present or future (including any interest accruing thereon after maturity, or after
the filing of any petition in bankruptcy, or the commencement of any insolvency, reorganization or like proceeding relating to
the Debtor, whether or not a claim for post-filing or post-petition interest is allowed in such proceeding), whether evidenced
by or arising under the Note, the Secured Loan and Revenue Participation Agreement or this Agreement or, whether absolute or contingent,
joint or several, due or to become due, now existing or hereafter arising, and all costs and expenses of the Secured Party incurred
in the enforcement, collection or otherwise in connection with any of the foregoing, including reasonable attorneys’ fees
and expenses.

 

(e)
“UCC” means the Uniform Commercial Code, as adopted and enacted and as in effect from time to time in the State
of New York. Terms used herein which are defined in the UCC and not otherwise defined herein shall have the respective meanings
ascribed to such terms in the UCC.

 

2.
Grant of Security Interest. To secure the Obligations, the Debtor, as debtor, hereby assigns and grants to the Secured
Party, as secured party, a continuing lien on and security interest in the Collateral which shall take first priority over any
other lien that exists now or may exist in the future.

 

    	 

     

    

 

3.
Change in Name or Locations. The Debtor hereby agrees that if the Debtor changes its name or form or jurisdiction of organization,
or establishes a name in which it may do business, the Debtor will immediately notify the Secured Party in writing of the additions
or changes. The Debtor’s chief executive office is listed in the Notice section below.

 

4.
Representations and Warranties. The Debtor represents, warrants and covenants to the Secured Party that: (a) the Debtor
has good, marketable and indefeasible title to the Collateral, has not made any prior sale, pledge, encumbrance, assignment or
other disposition of any of the Collateral, other than to lease the Collateral to its customers, and the Collateral is free from
all encumbrances and rights of setoff of any kind except the lien in favor of the Secured Party created by this Agreement; (b)
except as herein provided, the Debtor will not hereafter without the Secured Party’s prior written consent sell, pledge,
encumber, assign or otherwise dispose of any of the Collateral or permit any right of setoff, lien or security interest to exist
thereon except to the Secured Party; and (c) the Debtor will defend the Collateral against all claims and demands of all persons
at any time claiming the same or any interest therein.

 

5.
Debtor’s Covenants. The Debtor covenants that it shall, from time to time and at all reasonable times allow the
Secured Party, by or through any of its officers, agents, attorneys, or accountants, to examine or inspect the Collateral, and
obtain valuations and audits of the Collateral, at the Debtor’s expense, wherever located. The Debtor shall perform, obtain,
make, execute and deliver all such additional and further acts, things, deeds, assurances and instruments as the Secured Party
may require to vest in and assure to the Secured Party its rights hereunder and in or to the Collateral.

 

6.
Negative Pledge; No Transfer. The Debtor will not sell or offer to sell or otherwise transfer or grant or allow the imposition
of a lien or security interest upon the Collateral or use any portion thereof in any manner inconsistent with this Agreement or
with the terms and conditions of any policy of insurance thereon with the express written consent of the Secured Party.

 

7.
Further Assurances. Debtor hereby irrevocably authorizes the Secured Party at any time and from time to time to file in
any Uniform Commercial Code jurisdiction any initial financing statements and amendments thereto that (a) indicate the Collateral
(i) as all assets of Debtor or words of similar effect, regardless of whether any particular asset comprised in the Collateral
falls within the scope of Article 9 of the New York Uniform Commercial Code or such jurisdiction, or (ii) as being of an equal
or lesser scope or with greater detail, and (b) contain any other information required by part 5 of Article 9 of the New York
Uniform Commercial Code for the sufficiency or filing office acceptance of any financing statement or amendment, including, but
not limited to (i) whether Debtor is an organization, the type of organization and (ii) any organization identification number
issued to Debtor. Debtor agrees to furnish any such information to Secured Party promptly upon request. Debtor also ratifies its
authorization for Secured Party to have filed in any Uniform Commercial Code jurisdiction any like initial financing statements
or amendments thereto if filed prior to the date hereof.

 

    	 

     

    

 

8.
Events of Default. The Debtor shall, at the Secured Party’s option, be in default under this Agreement upon the
happening of any of the following events or conditions (each, an “Event of Default”): (a) any Event
of Default, as that term is defined in the Note and/or in the Secured Loan and Revenue Participation Agreement; (b) the failure
by the Debtor to perform any of its other obligations under this Agreement within thirty (30) days of notice from Secured Party
of the same; (c) falsity, inaccuracy or material breach by the Debtor of any written warranty, representation or statement made
or furnished to the Secured Party by or on behalf of the Debtor; (d) an uninsured material loss, theft, damage, or destruction
to any of the Collateral, or the entry of any judgment against the Debtor or any lien against or the making of any levy, seizure
or attachment of or on the Collateral; (e) the failure of the Secured Party to have a perfected first priority security interest
in the Collateral; or (f) any indication or evidence received by the Secured Party that the Debtor may have directly or indirectly
been engaged in any type of activity which, in the Secured Party’s discretion, might result in the forfeiture of any property
of the Debtor to any governmental entity, federal, state or local.

 

9.
Remedies. Upon the occurrence of any such Event of Default and at any time thereafter, the Secured Party may declare all
Obligations secured hereby immediately due and payable and shall have, in addition to any remedies provided herein or by any applicable
law or in equity, all the remedies of a secured party under the UCC. The Secured Party’s remedies include, but are not limited
to, to the extent permitted by law, the right to (a) peaceably by its own means or with judicial assistance enter the Debtor’s
premises and take possession of the Collateral without prior notice to the Debtor or the opportunity for a hearing, (b) render
the Collateral unusable, (c) dispose of the Collateral on the Debtor’s premises, (d) require the Debtor to assemble the
Collateral and make it available to the Secured Party at a place designated by the Secured Party, or (e) require any receivables
from the Collateral to be directed to the account designated by the Secured Party. Unless the Collateral is perishable or threatens
to decline speedily in value or is of a type customarily sold on a recognized market, the Secured Party will give the Debtor reasonable
notice of the time and place of any public sale thereof or of the time after which any private sale or any other intended disposition
thereof is to be made. The requirements of commercially reasonable notice shall be met if such notice is sent to the Debtor at
least five (5) days before the time of the intended sale or disposition. Expenses of retaking, holding, preparing for sale, selling
or the like shall include the Secured Party’s reasonable attorney’s fees and legal expenses, incurred or expended
by the Secured Party to enforce any payment due it under this Agreement either as against the Debtor, or in the prosecution or
defense of any action, or concerning any matter growing out of or connection with the subject matter of this Agreement and the
Collateral pledged hereunder. The Debtor waives all relief from all appraisement or exemption laws now in force or hereafter enacted.

 

10.
Payment of Expenses. At its option, the Secured Party may, but is not required to: discharge taxes, liens, security interests
or such other encumbrances as may attach to the Collateral; pay for required insurance on the Collateral; and pay for the maintenance,
appraisal or reappraisal, and preservation of the Collateral, as determined by the Secured Party to be necessary. The Debtor will
reimburse the Secured Party on demand for any payment so made or any expense incurred by the Secured Party pursuant to the foregoing
authorization, and the Collateral also will secure any advances or payments so made or expenses so incurred by the Secured Party.

 

    	 

     

    

 

11.
Notices. All notices, demands, requests, consents, approvals and other communications required or permitted hereunder
must be in writing and will be effective upon on the earliest of the following: (i) at the time of personal delivery, if delivery
is in person; (ii) at the time of transmission by facsimile, telecopier or electronic mail addressed to the other party at its
facsimile number, telecopier address or electronic email address specified herein (or hereafter modified by subsequent notice
to the parties hereto); (iii) one business day after deposit with an express overnight courier for United States deliveries, or
three business days after such deposit for deliveries outside of the United States; or (iv) three business days after deposit
in the United States mail by registered or certified mail (return receipt requested) for United States deliveries. All notices
for delivery outside the United States shall be sent by facsimile or by express courier. All notices not delivered personally
or by facsimile shall be sent with postage and other charges prepaid and properly addressed to the party to be notified at the
address set forth below, or at such other address as such other party may designate by 10 days advance written notice to the other
parties hereto:

 

	To
    Debtor:	To
    Secured Party:
	 	 
	999
    18th St., Suite 3000,	205
    West 57th Street, Suite 4AA
	Denver,
    CO 80202	New
    York, NY 10019
	Attention:
    Steve Howe	Attention:
    Lev Grzhonko
	Title:
    Manager	Title:
    Manager
	Email:
    showe@solajet.com	Email:
    levgrz@yahoo.com
	Phone:
    303-717-6055	Phone:
    415-786-4598

 

12.
Preservation of Rights. No delay or omission on the Secured Party’s part to exercise any right or power arising
hereunder will impair any such right or power or be considered a waiver of any such right or power, nor will the Secured Party’s
action or inaction impair any such right or power. The Secured Party’s rights and remedies hereunder are cumulative and
not exclusive of any other rights or remedies which the Secured Party may have under other agreements, at law or in equity.

 

13.
Severability. In case any one or more of the provisions contained in this Agreement should be invalid, illegal or unenforceable
in any respect, the validity, legality and enforceability of the remaining provisions contained herein shall not in any way be
affected or impaired thereby.

 

14.
Changes in Writing. No modification, amendment or waiver of any provision of this Agreement nor consent to any departure
by the Debtor therefrom will be effective unless made in a writing signed by the Secured Party, and then such waiver or consent
shall be effective only in the specific instance and for the purpose for which given. No notice to or demand on the Debtor in
any case will entitle the Debtor to any other or further notice or demand in the same, similar or other circumstance.

 

15.
Entire Agreement. This Agreement (including the documents and instruments referred to herein) constitutes the entire agreement
and supersedes all other prior agreements and understandings, both written and oral, between the parties with respect to the subject
matter hereof.

 

    	 

     

    

 

16.
Counterparts. This Agreement may be signed in any number of counterpart copies and by the parties hereto on separate counterparts,
but all such copies shall constitute one and the same instrument. Delivery of an executed counterpart of a signature page to this
Agreement by facsimile transmission shall be effective as delivery of a manually executed counterpart. Any party so executing
this Agreement by facsimile transmission shall promptly deliver a manually executed counterpart, provided that any failure to
do so shall not affect the validity of the counterpart executed by facsimile transmission.

 

17.
Successors and Assigns. This Agreement will be binding upon and inure to the benefit of the Debtor and the Secured Party
and their respective heirs, executors, administrators, successors and assigns; provided, however, that the Debtor may not
assign this Agreement in whole or in part without the Secured Party’s prior written consent and the Secured Party at any
time may assign this Agreement in whole or in part.

 

18.
Interpretation. In this Agreement, unless the Secured Party and the Debtor otherwise agree in writing, the singular includes
the plural and the plural the singular; words importing any gender include the other genders; references to statutes are to be
construed as including all statutory provisions consolidating, amending or replacing the statute referred to; the word “or”
shall be deemed to include “and/or”, the words “including”, “includes” and “include”
shall be deemed to be followed by the words “without limitation”; references to articles, sections (or subdivisions
of sections) or exhibits are to those of this Agreement unless otherwise indicated. Section headings in this Agreement are included
for convenience of reference only and shall not constitute a part of this Agreement for any other purpose.

 

19.
Governing Law. IN ALL RESPECTS, INCLUDING ALL MATTERS OF CONSTRUCTION, VALIDITY AND PERFORMANCE, THIS AGREEMENT AND THE
OBLIGATIONS ARISING HEREUNDER SHALL BE GOVERNED BY THE LAWS OF THE STATE OF NEW YORK APPLICABLE TO CONTRACTS MADE AND PERFORMED
IN THAT STATE, AND ANY APPLICABLE LAWS OF THE UNITED STATES OF AMERICA. DEBTOR HEREBY CONSENTS AND AGREES THAT THE STATE OR FEDERAL
COURTS LOCATED IN NEW YORK COUNTY, CITY OF NEW YORK, STATE OF NEW YORK, SHALL HAVE EXCLUSIVE JURISDICTION TO HEAR AND DETERMINE
ANY CLAIMS OR DISPUTES BETWEEN THE SECURED PARTY AND DEBTOR PERTAINING TO THIS AGREEMENT OR THE NOTE OR TO ANY MATTER ARISING
OUT OF OR RELATING TO THIS AGREEMENT OR THE NOTE, PROVIDED, THAT DEBTOR ACKNOWLEDGES THAT ANY APPEALS FROM THOSE COURTS
MAY HAVE TO BE HEARD BY A COURT LOCATED OUTSIDE OF NEW YORK COUNTY, CITY OF NEW YORK, STATE OF NEW YORK, AND, PROVIDED, FURTHER,
NOTHING IN THIS AGREEMENT SHALL BE DEEMED OR OPERATE TO PRECLUDE THE SECURED PARTY FROM BRINGING SUIT OR TAKING OTHER LEGAL
ACTION IN ANY OTHER JURISDICTION TO ENFORCE A JUDGMENT OR OTHER COURT ORDER IN FAVOR OF THE SECURED PARTY. THE DEBTOR EXPRESSLY
SUBMITS AND CONSENTS IN ADVANCE TO SUCH JURISDICTION IN ANY ACTION OR SUIT COMMENCED IN ANY SUCH COURT, AND DEBTOR HEREBY WAIVES
ANY OBJECTION WHICH IT MAY HAVE BASED UPON LACK OF PERSONAL JURISDICTION, IMPROPER VENUE OR FORUM NON CONVENIENS AND HEREBY
CONSENTS TO THE GRANTING OF SUCH LEGAL OR EQUITABLE RELIEF AS IS DEEMED APPROPRIATE BY SUCH COURT. DEBTOR HEREBY WAIVES PERSONAL
SERVICE OF THE SUMMONS, COMPLAINT AND OTHER PROCESS ISSUED IN ANY SUCH ACTION OR SUIT AND AGREES THAT SERVICE OF SUCH SUMMONS,
COMPLAINTS AND OTHER PROCESS MAY BE MADE BY REGISTERED OR CERTIFIED MAIL ADDRESSED TO DEBTOR AT THE ADDRESS SET FORTH IN SECTION
11 HEREOF AND THAT SERVICE SO MADE SHALL BE DEEMED COMPLETED UPON THE EARLIER OF ACTUAL RECEIPT THEREOF OR THREE (3) DAYS AFTER
DEPOSIT IN THE U.S. MAILS, PROPER POSTAGE PREPAID.

 

    	 

     

    

 

20.
Waiver of Jury Trial. BECAUSE DISPUTES ARISING IN CONNECTION WITH COMPLEX FINANCIAL TRANSACTIONS ARE MOST QUICKLY AND
ECONOMICALLY RESOLVED BY AN EXPERIENCED AND EXPERT PERSON AND THE PARTIES WISH APPLICABLE STATE AND FEDERAL LAWS TO APPLY (RATHER
THAN ARBITRATION RULES), THE PARTIES DESIRE THAT DISPUTES ARISING HEREUNDER OR RELATING HERETO BE RESOLVED BY A JUDGE APPLYING
SUCH APPLICABLE LAWS. THEREFORE, TO ACHIEVE THE BEST COMBINATION OF THE BENEFITS OF THE JUDICIAL SYSTEM AND OF ARBITRATION, THE
PARTIES HERETO WAIVE ALL RIGHT TO TRIAL BY JURY IN ANY ACTION, SUIT OR PROCEEDING BROUGHT TO RESOLVE ANY DISPUTE, WHETHER SOUNDING
IN CONTRACT, TORT, OR OTHERWISE, BETWEEN THE SECURED PARTY AND THE DEBTOR ARISING OUT OF, CONNECTED WITH, RELATED TO, OR INCIDENTAL
TO THE RELATIONSHIP ESTABLISHED IN CONNECTION WITH, THIS AGREEMENT OR THE NOTE OR THE TRANSACTIONS RELATED HERETO OR THERETO.
EACH PARTY HEREBY (I) CERTIFIES THAT NO REPRESENTATIVE, AGENT OR ATTORNEY OF THE OTHER HAS REPRESENTED, EXPRESSLY OR OTHERWISE,
THAT THE OTHER WOULD NOT, IN THE EVENT OF A PROCEEDING, SEEK TO ENFORCE THE FOREGOING WAIVER AND (II) ACKNOWLEDGES THAT IT HAS
BEEN INDUCED TO ENTER INTO THIS AGREEMENT BY, AMONG OTHER THINGS, THE MUTUAL WAIVERS AND CERTIFICATIONS IN THIS SECTION 20.

 

*****

 

[REMAINDER
OF THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK]

 

    	 

     

    

 

[EXECUTION
PAGE TO THE SECURITY AGREEMENT]

 

IN
WITNESS WHEREOF, the parties have executed this Agreement as of the day and date first above written.

 

	SECURED PARTY:	 	BORROWER:
	 	 	 	 	 
	Chartwell Capital US LP	 	Solajet Financing Company
    LLC
	 	 	 	 	 
	 	/s/
    Lev Grzhonko	 	 	/s/
    Steve Howe
	Name:	Lev Grzhonko	 	Name:	Steve Howe
	Title:	Manager	 	Title:	Manager

 

    	 

     

    

 

Exhibit
A

of
the

Security
Agreement

 

Collateral

 

	●	Collateral
    Item No. 1 - The Solajet Therapeutic Bed (as further described at the following URL: http://solajet.com/) with a serial
    number of 010731800701 installed in July, 2019 at the following location:

 

Back
Body Mind Chiropractic

12101 Slauson Avenue

Santa Fe Springs CA 90670

Attn: Lisa Thomson

 

	●	Collateral
    Item No. 2 - The Solajet Therapeutic Bed (as further described at the following URL: http://solajet.com/) with a serial
    number of 010731800766 installed in November, 2019 at the following location:

 

Cabui
Sports Medicine

7807 Convoy Court

San Diego, CA 92111

Attn: Caroline Bui

 

	●	Collateral
    Item No. 3 - The Solajet Therapeutic Bed (as further described at the following URL: http://solajet.com/) with a serial
    number of 010731800700 installed in 2019 at the following location:

 

Dream
Wellness

1130 Camino Del Mar

Del Mar, CA 92014

Attn: Brian Stenzler, DC

 

	●	Collateral
    Item No. 4 - The Solajet Therapeutic Bed (as further described at the following URL: http://solajet.com/) with a serial
    number of 010731800727 installed in September, 2019 at the following location:

 

Gary
Loos, DC

1645 South Rancho Santa Fe Road, Suite 102

San Marcos, CA 92078

Attn: Gary Loos, DC

 

    	 

     

    

 

	●	Collateral
    Item No. 5 - The Solajet Therapeutic Bed (as further described at the following URL: http://solajet.com/) with a serial
    number of 010731800751 installed in November, 2019 at the following location:

 

Hengesteg
Chiropractic

12439 Paway Road A,

Paway, CA 92078

Attn: Chris Hengesteg

 

	●	Collateral
    Item No. 6 - The Solajet Therapeutic Bed (as further described at the following URL: http://solajet.com/) with a serial
    number of 010331900773 installed in January, 2020 at the following location:

 

Laguna
Health & Wellness

24351 Moulton Parkway,

Laguna Woods, CA 92637

Attn: Darla

 

	●	Collateral
    Item No. 7 - The Solajet Therapeutic Bed (as further described at the following URL: http://solajet.com/) with a serial
    number of 010731800729 installed in July, 2019 at the following location:

 

Chiropractic
Care

1309 South Euclid Street

Anaheim, CA 92802

Attn: John S. Peterson

 

    	 

     

    

 

Addendum
C

to
the

Secured
Loan and Revenue Participation Agreement

 

Wire
Transfer & ACH Transfer Information

for Chartwell Capital US LP

 

    	 

     

    

 

WIRE
TRANSFER INFORMATIONExhibit 10.16

 

AMENDMENT
TO THE SECURED LOAN

AND REVENUE PARTICIPATION AGREEMENT

 

This
Amendment (the “Amendment”) to the October 9, 2019 Secured Loan and Revenue Participation Agreement (the “Agreement”)
entered into by and between Chartwell Capital US LP (“Chartwell”) and Solajet Financing Company LLC (“Solajet”)
is now being amended pursuant to Section 8.7 of the Agreement (each, Chartwell and SolaJet are referred to herein individually
as a “Party” to this Amendment, and collectively as the “Parties” to this Amendment). Other than the amendments
specified herein, no other terms of the Agreement shall be modified or affected by this Amendment. The Parties intend to make
the following amendments effective, February 24, 2020 (hereinafter, the “Effective Date”):

 

	 	●	Section
    1.2, Interest Loan - as of the Effective Date, by mutual written consent of the Parties, the Interest Loan section 1.2
    of the Agreement on page 1, shall be deleted in its entirety and replaced by the following:

 

Interest
Loan. During the Term, as defined in Section 1.4 (below), the Loan shall accrue simple interest (no compounding) of 18.2%
per annum, for a total interest amount of $43,680 to be accrued during the Term. In case of an Event of Default, as described
in section 5.1 (below), the Borrower shall begin to accrue interest at the Default Rate as further specified in the Note.

 

	 	●	Section
    1.5, Repayment of Loan - as of the Effective Date, by mutual written consent of the Parties, the Repayment of Loan section
    1.5 of the Agreement on page 2, shall be deleted in its entirety and replaced by the following:

 

Repayment
of Loan. (i) Borrower shall make a monthly repayment in the amount of $2,160 to Lender in forty-eight (48) instances on the
ninth (9th) calendar day of each month during the Term starting with November 9th, 2019 with the Loan to be repaid
in full on October 9th, 2023; and if the 9th calendar day falls on a Saturday, Sunday or public holiday
under the laws of the State of New York, the due date for the payment shall be extended to the next succeeding business day; (iv)
Nothing in the terms of this Agreement or the Note will prevent the Borrower from repaying any portion or the entire amount of
the Loan, together with interest, to the Lender at any time prior to the Maturity Date, or at any other time provided that the
total interest due on the Loan shall be adjusted proportionally.

 

	 	●	Section
    7.1, Revenue Share - as of the Effective Date, by mutual written consent of the Parties, the Revenue Share section 7.1
    of the Agreement on page 5, shall be deleted in its entirety and replaced by the word “OMITTED.”

 

This
Amendment shall constitute the final agreement and understanding of the Parties on the subject matter hereof. Any modifications
to addendums and/or exhibits to the agreement that are required to be made as a result of this amend are hereby deemed to be made.
This Amendment may be modified only by a further writing signed by the Parties. This Amendment may be executed in any number of
counterparts, each of which shall be deemed to be an original, but all of which together shall constitute one and the same instrument.

 

    	 

     

    

 

IN
WITNESS WHEREOF, the Parties hereto have caused this Amendment to be executed as of the 24th day of February, 2020.

 

	Chartwell
    Capital US LP	Solajet
    Financing Company LLC
	 	 	 	 	 
	 	 	 	 	/s/
    Steve Howe
	Name:	 	 	Name:	Steve
    Howe
	Title:	 	 	Title:	Manager

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