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Exhibit 10.38

ECOVYST INC.
2017 Omnibus Incentive Plan, as Amended and Restated

Performance Stock Unit Award Agreement
This Performance Stock Unit Award Agreement (this “Agreement”) is made by and between Ecovyst Inc., a Delaware corporation (the “Company”), and [●] (the “Participant”), effective as of [●] (the “Date of Grant”).  
RECITALS

WHEREAS, the Company has adopted the Ecovyst Inc. 2017 Omnibus Incentive Plan, as Amended and Restated (as the same may be further amended and/or amended and restated from time to time, the “Plan”), which Plan is incorporated herein by reference and made a part of this Agreement, and capitalized terms not otherwise defined in this Agreement will have the meanings ascribed to those terms in the Plan; and
WHEREAS, the Committee has authorized and approved the grant of an Award of performance stock units (“PSUs”) to the Participant that provides the Participant the conditional opportunity to acquire one share of Common Stock (a “Share”) with respect to each PSU forming part of the Award, subject to the terms and conditions set forth in the Plan and this Agreement.  
NOW THEREFORE, in consideration of the premises and mutual covenants set forth in this Agreement, the parties agree as follows:
1.Grant of PSUs.  The Company has granted to the Participant [●] PSUs (the “Target Award), effective as of the Date of Grant, on the terms and conditions set forth in the Plan and this Agreement, subject to adjustment as forth in the Plan.

2.Earning and Vesting of PSUs.  Subject to the terms and conditions set forth in the Plan and this Agreement, the PSUs may be earned and will vest as follows:

(a)Performance Condition.  Between 0% and 200% (the “Payout Range”) of the Target Award is eligible to be earned contingent on achievement of the Performance Measure set forth on Appendix A to this Agreement during the period beginning on January 1, 2021 and ending on December 31, 2023 (the “Performance Period”) and other terms and conditions as set forth in Appendix A to this Agreement.  The Performance Condition for the 2021 grant is increase in Total Shareholder Return, as described in Appendix A.

(b)Vesting Schedule.  Subject to the terms and conditions set forth in the Plan and this Agreement, and except as otherwise provided in Section 2(b) or Appendix A of this Agreement, any PSUs that are earned in accordance with Appendix A will vest on the date the Committee certifies the levels of achievement of the Performance Measure, which shall be no later than sixty (60) days following the end of the Performance Period  (the “Performance Vesting Date”), subject to the Participant’s continued Service through the Performance Vesting Date (or other earlier vesting date specified in Appendix A).  Any PSUs that are not earned in accordance with Appendix A on the Performance Vesting Date (or any other date specified in Appendix A) will immediately terminate and be forfeited and cancelled without payment of consideration therefor.

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(c)Termination of Service.  Except as otherwise provided in Appendix A of this Agreement, the Participant shall forfeit, immediately and without consideration, all unvested PSUs upon a termination of the Participant’s Service for any reason.  Without limiting the generality of the foregoing, the PSUs and the Shares (and any resulting proceeds) will continue to be subject to Section 13 of the Plan.

3.Payment

(a)Settlement.  The Company shall deliver to the Participant within thirty (30) days following the vesting date of the PSUs (but no later than March 15th of the year following the year in which such PSUs are earned hereunder) a number of Shares equal to the aggregate number of PSUs that are earned in accordance with Appendix A and that vest on such date.  No fractional Shares shall be delivered.  The Company may deliver such Shares either through book entry accounts held by, or in the name of, the Participant or cause to be issued a certificate or certificates representing the number of Shares to be issued in respect of the PSUs registered in the name of the Participant.

(b)Withholding Requirements.  The Company will have the power and the right to deduct or withhold automatically from any Shares deliverable under this Agreement or from any other compensation payable to the Participant, or to require the Participant or the Participant’s representative to remit to the Company, up to the maximum statutory amount necessary to satisfy federal, state and local taxes, domestic or foreign, required by law or regulation to be withheld with respect to any taxable event arising as a result of this Agreement.  Nothing in this Agreement may be construed as relieving the Participant of his or her obligation to satisfy all taxes required to be withheld in connection with the award, vesting or settlement of the PSUs.

4.Adjustment of Shares.   In the event of any change with respect to the outstanding shares of Common Stock contemplated by Section 4.5 of the Plan, the PSUs may be adjusted by the Committee in accordance with Section 4.5 of the Plan.

5.Miscellaneous Provisions

(a)Securities Laws Requirements.  No Shares will be issued or transferred pursuant to this Agreement unless and until all then applicable requirements imposed by federal and state securities and other laws, rules and regulations and by any regulatory agencies having jurisdiction, and by any exchanges upon which the Shares may be listed, have been fully met.  As a condition precedent to the issuance of Shares pursuant to this Agreement, the Company may require the Participant to take any reasonable action to meet those requirements.  The Committee may impose such conditions on any Shares issuable pursuant to this Agreement as it may deem advisable, including, without limitation, restrictions under the Securities Act, under the requirements of any exchange upon which shares of the same class are then listed and under any blue sky or other securities laws applicable to those Shares.  

(b)Rights of a Shareholder of the Company.  Prior to settlement of the PSUs and the delivery of Shares to the Participant with respect thereto, neither the Participant nor the Participant’s representative will have any rights as a shareholder of the Company with respect to any Shares underlying the PSUs and the Participant will not receive payment of, or credit for, dividends or dividend equivalents with respect to any Shares underlying the PSUs.
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(c)Transfer Restrictions.  The PSUs may not be transferred except as expressly permitted under Section 15.3 of the Plan.  The Shares delivered hereunder will be subject to such stop transfer orders and other restrictions as the Committee may deem advisable under the Plan or the rules, regulations and other requirements of the Securities and Exchange Commission, any stock exchange upon which such Shares are listed, any applicable federal or state laws and any agreement with, or policy of, the Company or the Committee to which the Participant is a party or subject, and the Committee may cause orders or designations to be placed upon the books and records of the Company’s transfer agent to make appropriate reference to such restrictions.

(d)No Right to Continued Service.  Nothing in this Agreement or the Plan confers upon the Participant any right to continue in Service for any period of specific duration or interfere with or otherwise restrict in any way the rights of the Company (or any Subsidiary retaining the Participant) or of the Participant, which rights are hereby expressly reserved by each, to terminate his or her Service at any time and for any reason, with or without Cause.

(e)Notification.  Any notification required by the terms of this Agreement will be given by the Participant (i) in a writing addressed to the Company at its principal executive office and will be deemed effective upon actual receipt when delivered by personal delivery or by registered or certified mail, with postage and fees prepaid, or (ii) by electronic transmission to the Company’s e-mail address of the Company’s General Counsel and will be deemed effective upon actual receipt.  Any notification required by the terms of this Agreement will be given by the Company (x) in a writing addressed to the address that the Participant most recently provided to the Company and will be deemed effective upon personal delivery or within three (3) days of deposit with the United States Postal Service, by registered or certified mail, with postage and fees prepaid, or (y) by facsimile or electronic transmission to the Participant’s primary work fax number or e-mail address (as applicable) and will be deemed effective upon confirmation of receipt by the sender of such transmission.
(f)Entire Agreement.  This Agreement and the Plan constitute the entire agreement between the parties hereto with regard to the subject matter of this Agreement.  This Agreement and the Plan supersede any other agreements, representations or understandings (whether oral or written and whether express or implied) that relate to the subject matter of this Agreement.
(g)Waiver.  No waiver of any breach or condition of this Agreement will be deemed to be a waiver of any other or subsequent breach or condition whether of like or different nature.
(h)Successors and Assigns.  The provisions of this Agreement will inure to the benefit of, and be binding upon, the Company and its successors and assigns and upon the Participant, the Participant’s executor, personal representative(s), distributees, administrator, permitted transferees, permitted assignees, beneficiaries, and legatee(s), as applicable, whether or not any such person will have become a party to this Agreement and have agreed in writing to be joined herein and be bound by the terms hereof.
(i)Severability.  The provisions of this Agreement are severable, and if any one or more provisions are determined to be illegal or otherwise unenforceable, in whole 
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or in part, then the remaining provisions will nevertheless be binding and enforceable.
(j)Choice of Law; Jurisdiction.  This Agreement and all claims, causes of action or proceedings (whether in contract, in tort, at law or otherwise) that may be based upon, arise out of or relate to this Agreement will be governed by the laws of the State of Delaware, excluding any conflicts or choice-of-law rule or principle that might otherwise refer construction or interpretation of this Agreement to the substantive law of another jurisdiction.  The Participant agrees that he or she will bring all claims, causes of action and proceedings (whether in contract, in tort, at law or otherwise) that may be based upon, arise out of or be related to the Plan and this Agreement exclusively in the federal and state courts located within the geographic boundaries of the United States District Court for the Eastern District of Pennsylvania (the “Chosen Court”), and hereby (i) irrevocably submits to the exclusive jurisdiction of the Chosen Court, (ii) waives any objection to laying venue in any such proceeding in the Chosen Court, (iii) waives any objection that the Chosen Court is an inconvenient forum or does not have jurisdiction over any party and (iv) agrees that service of process upon such party in any such claim or cause of action will be effective if notice is given in accordance with this Agreement.  
(k)Acceptance.  The Participant hereby acknowledges receipt of a copy of the Plan and this Agreement.  The Participant has read and understands the terms and provisions of the Plan and this Agreement, and accepts the PSUs subject to all of the terms and conditions of the Plan and this Agreement.  In the event of a conflict between any term or provision contained in this Agreement and a term or provision of the Plan, the applicable term and provision of the Plan will govern and prevail.
Appendix A
PERFORMANCE MEASURE AND VESTING TERMS
Performance Measures.  The Performance Measure associated with the 2021 PSU grant is Increase in Total Shareholder Return (“TSR”), calculated as described below.

1.Performance Factor. The performance factor for Increase in TSR (the “Performance Factor”) is determined utilizing the percentage in the chart below which correlates with the Company’s actual TSR percentage increase during the Performance Period from January 1, 2021 to December 31, 2023.  The stock price on the first day of the Performance Period was $14.26. 

																								
	% Increase in ECVT TSR	25%	37%	45%	60%	105%	150%	195%
	Performance Factor	50%	75%	100%	125%	150%	175%	200%
		Threshold		Target				Maximum

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2.Determination of Earned PSUs.   The number of PSUs that are earned under this Appendix A will be determined by multiplying the Performance Factor by the Target Award, rounded up to the nearest PSU.  

3.Rules for Determining the Performance Factor. The following rules will apply in determining the Performance Factor.  

1.1If actual performance is below threshold, the Performance Factor will be zero percent (0%), and no PSUs will be earned with respect to the applicable Performance Measure.

1.2If actual performance is above maximum, the Performance Factor will be (and will not exceed) two hundred percent (200%).

1.3If actual performance is between the threshold and maximum benchmarks for  Increase in TSR, as set forth in the chart above, then the Performance Factor will be determined by linear interpolation. 

1.4In calculating the Performance Factor all percentages will be rounded to the nearest one-tenth (1/10th) of one percent (1%).  

4.Definition of Increase in TSR.  TSR is defined as the financial gain that results from a change in the price of a company’s stock during the Performance Period plus any dividends paid by the company during the Performance Period divided by the price of the company’s stock at the beginning of the Performance Period.  Increase in TSR shall be determined by comparing the Company’s increase in TSR over the Performance Period.

5.Adjustments. Certain adjustments may be made at the discretion of the Committee to the TSR increase benchmarks as set forth in the table above in in the event of the Company’s acquisition or divestiture of an entity, business, or product line, or any capital market transactions including debt refinancings or equity offerings.
6.Termination by Reason of Disability, Retirement, Good Reason, Termination by the Company without Cause or Death.  Upon a termination of the Participant’s Service during the Performance Period by reason of Disability, Retirement (defined below), Good Reason (defined below), termination by the Company without Cause, or death, the PSUs shall be eligible to be earned and to vest as follows (and any PSUs that are not earned and do not vest under the circumstances described below will be forfeited and cancelled without payout of consideration therefor): 
1.1If the Participant’s Service is terminated by the Company without Cause or due to his or her Disability, or if the Participate terminates his or her Service due to Retirement or Good Reason, in each case, before the end of the Performance Period, the PSUs will remain outstanding and will be eligible to be earned based on actual performance as determined under this Appendix A, subject to pro ration as provided for below, and to vest on the Performance Vesting Date.  Any PSUs that are so earned will be pro-rated by dividing the number of earned PSUs by a fraction, the numerator of which is the number of days the Participant actually 
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worked in the Performance Period, and the denominator of which is the number of days in the Performance Period. 
1.2If the Participant’s Service is terminated due to his or her death before the end of the Performance Period, upon such termination, a number of PSUs will be deemed earned and will vest equal to the Target Award multiplied by a fraction, the numerator of which is the number of days worked in the Performance Period, and the denominator which is the total number of days in the Performance Period.  
1.3For purposes of this Appendix A, “Retirement” means a termination of Service due to the voluntary resignation of the Participant, other than at a time when Cause exists, after attaining the age of 60 with a minimum of ten years of continued Service (for the avoidance of doubt, from the most recent hire date, including service with predecessor acquired entities).
1.4For purposes of this Appendix A, “Good Reason” shall have the meaning set forth in any severance agreement between the Participant and the Company and/or any of its Subsidiaries to the extent that such severance agreement provides for the voluntary resignation of the Participant for “Good Reason”.

7.Change in Control.  
1.1If a Change in Control occurs during the Performance Period, upon such Change in Control, a number of PSUs will be deemed earned and will vest as provided for in Section 7.2 below. Any PSUs that do not vest in connection with such Change in Control as provided for in this Section 7 will be forfeited and cancelled without payment of consideration therefor.  
1.2For purposes of determining the number of PSUs that vest in connection with a Change in Control, the Performance Factor shall be determined as otherwise set forth in Sections 2, 3 and 4 of this Appendix A, except that (i) the Performance Period shall be deemed to have ended on (A) the date of the Change in Control, if the Change in Control occurs on the last date of a fiscal quarter, or (B) the last day of the fiscal quarter preceding the Change in Control if the Change in Control does not occur on the last day of a fiscal quarter, and (ii) if the date the Performance Period is deemed to have ended under clause (i) is not also the last day of a fiscal year, then the period between the last day of the Company’s immediately preceding fiscal year and the deemed last day of the Performance Period shall be deemed a fiscal year for purposes of this Appendix A.  

6Exhibit 4.1

 

NEITHER
THE ISSUANCE AND SALE OF THE SECURITIES REPRESENTED BY THIS CERTIFICATE NOR THE SECURITIES INTO WHICH THESE SECURITIES ARE CONVERTIBLE
HAVE BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, OR APPLICABLE STATE SECURITIES LAWS. THE SECURITIES MAY NOT BE OFFERED
FOR SALE, SOLD, TRANSFERRED OR ASSIGNED (I) IN THE ABSENCE OF (A) AN EFFECTIVE REGISTRATION STATEMENT FOR THE SECURITIES UNDER THE SECURITIES
ACT OF 1933, AS AMENDED, OR (B) AN OPINION OF COUNSEL TO THE HOLDER (IF REQUESTED BY THE COMPANY), IN A FORM REASONABLY ACCEPTABLE TO
THE COMPANY, THAT REGISTRATION IS NOT REQUIRED UNDER SAID ACT OR (II) UNLESS SOLD OR ELIGIBLE TO BE SOLD PURSUANT TO RULE 144 OR RULE
144A UNDER SAID ACT. NOTWITHSTANDING THE FOREGOING, THE SECURITIES MAY BE PLEDGED IN CONNECTION WITH A BONA FIDE MARGIN ACCOUNT OR OTHER
LOAN OR FINANCING ARRANGEMENT SECURED BY THE SECURITIES. ANY TRANSFEREE OF THIS NOTE SHOULD CAREFULLY REVIEW THE TERMS OF THIS NOTE,
INCLUDING SECTIONS 3(c)(iii) AND 19(a) HEREOF. THE PRINCIPAL AMOUNT REPRESENTED BY THIS NOTE AND, ACCORDINGLY, THE SECURITIES ISSUABLE
UPON CONVERSION HEREOF MAY BE LESS THAN THE AMOUNTS SET FORTH ON THE FACE HEREOF PURSUANT TO SECTION 3(c)(iii) OF THIS NOTE.

 

THIS
NOTE HAS BEEN ISSUED WITH ORIGINAL ISSUE DISCOUNT (“OID”). PURSUANT TO TREASURY REGULATION §1.1275-3(b)(1), DAVID LUDVIGSON,
A REPRESENTATIVE OF THE COMPANY HEREOF WILL, BEGINNING TEN DAYS AFTER THE ISSUANCE DATE OF THIS NOTE, PROMPTLY MAKE AVAILABLE TO THE
HOLDER UPON REQUEST THE INFORMATION DESCRIBED IN TREASURY REGULATION §1.1275-3(b)(1)(i). DAVID LUDVIGSON MAY BE REACHED AT TELEPHONE
NUMBER (510) 428-5300.

 

NANOMIX
CORPORATION

 

Senior
Secured Convertible Note

 

	Issuance
    Date: February 25, 2022	Original
    Principal Amount: U.S. $

 

FOR
VALUE RECEIVED, Nanomix Corporation, a Delaware corporation (the “Company”), hereby promises to pay to the order
of _____________ or its registered assigns (“Holder”) the amount set forth above as the Original Principal Amount
(as reduced pursuant to the terms hereof pursuant to redemption, conversion or otherwise, the “Principal”) when due,
whether upon the Maturity Date, or upon acceleration, redemption or otherwise (in each case in accordance with the terms hereof) and,
upon the occurrence of an Event of Default (as defined below) at any time on or after the date set forth above as the Issuance Date (the
“Issuance Date”), to pay interest (“Interest”) on any outstanding Principal at the applicable Default
Rate (as defined below), until the same becomes due and payable, whether upon the Maturity Date or upon acceleration, conversion, redemption
or otherwise (in each case in accordance with the terms hereof). This Senior Secured Convertible Note (including all Senior Secured Convertible
Notes issued in exchange, transfer or replacement hereof, this “Note”) is one of an issue of Senior Secured Convertible
Notes issued pursuant to the Securities Purchase Agreement, dated as of June 25, 2021 (the “Subscription Date”), by
and among the Company and the investors (the “Buyers”) referred to therein, as amended from time to time (collectively,
the “Notes”, and such other Senior Secured Convertible Notes, which shall rank pari passu with this Note, the
“Other Notes”). Certain capitalized terms used herein are defined in Section 32.

 

     

     

    

 

1.
PAYMENTS OF PRINCIPAL. On the Maturity Date, the Company shall pay to the Holder an amount in cash representing 115% of all outstanding
Principal, accrued and unpaid Interest and accrued and unpaid Late Charges (as defined in Section 25(c)) on such Principal and Interest.
Other than as specifically permitted by this Note, the Company may not prepay any portion of the outstanding Principal, accrued and unpaid
Interest or accrued and unpaid Late Charges on Principal and Interest, if any.

 

2.
DEFAULT INTEREST. No Interest shall accrue hereunder unless and until an Event of Default (as defined below) has occurred. From
and after the occurrence and during the continuance of any Event of Default, Interest shall accrue hereunder at fourteen percent (14.0%)
per annum (the “Default Rate”) and shall be computed on the basis of a 360-day year and twelve 30-day months, shall
compound each calendar month and shall be payable in arrears on the earlier to occur of (x) the date such Event of Default is cured and
(y) first Trading Day of each such calendar month in which Interest accrues hereunder (each, an “Interest Date”).
Accrued and unpaid Interest, if any, shall also be payable by way of inclusion of such Interest in the Conversion Amount (as defined
below) on each Conversion Date (as defined below) in accordance with Section 3(b)(i) or upon any redemption in accordance with Section
12 or any required payment upon any Bankruptcy Event of Default (as defined in Section 4(a) below). In the event that such Event of Default
is subsequently cured (and no other Event of Default then exists (including, without limitation, for the Company’s failure to pay
such Interest at the Default Rate on the applicable Interest Date)), Interest shall cease to accrue hereunder as of the calendar day
immediately following the date of such cure; provided that the Interest as calculated and unpaid during the continuance of such Event
of Default shall continue to apply to the extent relating to the days after the occurrence of such Event of Default through and including
the date of such cure of such Event of Default.

 

3.
CONVERSION OF NOTES. At any time after the Issuance Date, this Note shall be convertible into validly issued, fully paid and non-assessable
shares of Common Stock (as defined below), on the terms and conditions set forth in this Section 3.

 

(a)
Conversion Right. Subject to the provisions of Section 3(d), at any time or times on or after the Issuance Date, subject to an
increase in the authorized capital stock or a reverse stock split of the Common Stock, the Holder shall be entitled to convert any portion
of the outstanding and unpaid Conversion Amount (as defined below) into validly issued, fully paid and non-assessable shares of Common
Stock in accordance with Section 3(c), at the Conversion Rate (as defined below). The Company shall not issue any fraction of a share
of Common Stock upon any conversion. If the issuance would result in the issuance of a fraction of a share of Common Stock, the Company
shall round such fraction of a share of Common Stock up to the nearest whole share. The Company shall pay any and all transfer, stamp,
issuance and similar taxes, costs and expenses (including, without limitation, fees and expenses of the Transfer Agent (as defined below))
that may be payable with respect to the issuance and delivery of Common Stock upon conversion of any Conversion Amount.

 

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(b)
Conversion Rate. The number of shares of Common Stock issuable upon conversion of any Conversion Amount pursuant to Section 3(a)
shall be determined by dividing (x) such Conversion Amount by (y) the Conversion Price (the “Conversion Rate”).

 

(i)
“Conversion Amount” means the sum of (x) portion of the Principal to be converted, redeemed or otherwise with respect
to which this determination is being made and (y) all accrued and unpaid Interest with respect to such portion of the Principal amount
and accrued and unpaid Late Charges with respect to such portion of such Principal and such Interest, if any.

 

(ii)
“Conversion Price” means, as of any Conversion Date or other date of determination, $0.0119, subject to adjustment
as provided herein.

 

(c)
Mechanics of Conversion.

 

(i)
Optional Conversion. To convert any Conversion Amount into shares of Common Stock on any date (a “Conversion Date”),
the Holder shall deliver (whether via electronic mail or otherwise), for receipt on or prior to 11:59 p.m., New York time, on such date,
a copy of an executed notice of conversion in the form attached hereto as Exhibit I (each, a “Conversion Notice”)
to the Company. If required by Section 3(c)(iii), within two (2) Trading Days following a conversion of this Note as aforesaid, the Holder
shall surrender this Note to a nationally recognized overnight delivery service for delivery to the Company (or an indemnification undertaking
with respect to this Note in the case of its loss, theft or destruction as contemplated by Section 19(b)). On or before the first (1st)
Trading Day following the date of receipt of a Conversion Notice, the Company shall transmit by electronic mail an acknowledgment, in
the form attached hereto as Exhibit II, of confirmation of receipt of such Conversion Notice and representation as to whether
such shares of Common Stock may then be resold pursuant to Rule 144 or an effective and available registration statement (each, an “Acknowledgement”)
to the Holder and the Company’s transfer agent (the “Transfer Agent”) which confirmation shall constitute an
instruction to the Transfer Agent to process such Conversion Notice in accordance with the terms herein. On or before the second (2nd)
Trading Day following the date on which the Company has received a Conversion Notice (or such earlier date as required pursuant to the
1934 Act or other applicable law, rule or regulation for the settlement of a trade initiated on the applicable Conversion Date of such
shares of Common Stock issuable pursuant to such Conversion Notice) (the “Share Delivery Deadline”), the Company shall
(1) provided that the Transfer Agent is participating in The Depository Trust Company’s (“DTC”) Fast Automated
Securities Transfer Program (“FAST”), credit such aggregate number of shares of Common Stock to which the Holder shall
be entitled pursuant to such conversion to the Holder’s or its designee’s balance account with DTC through its Deposit/Withdrawal
at Custodian system or (2) if the Transfer Agent is not participating in FAST, upon the request of the Holder, issue and deliver (via
reputable overnight courier) to the address as specified in the Conversion Notice, a certificate, registered in the name of the Holder
or its designee, for the number of shares of Common Stock to which the Holder shall be entitled pursuant to such conversion. If this
Note is physically surrendered for conversion pursuant to Section 3(c)(iii) and the outstanding Principal of this Note is greater than
the Principal portion of the Conversion Amount being converted, then the Company shall as soon as practicable and in no event later than
two (2) Business Days after receipt of this Note and at its own expense, issue and deliver to the Holder (or its designee) a new Note
(in accordance with Section 19(d)) representing the outstanding Principal not converted. The Person or Persons entitled to receive the
shares of Common Stock issuable upon a conversion of this Note shall be treated for all purposes as the record holder or holders of such
shares of Common Stock on the Conversion Date.

 

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(ii)
Company’s Failure to Timely Convert. If the Company shall fail, for any reason or for no reason, on or prior to the applicable
Share Delivery Deadline, either (I) if the Transfer Agent is not participating in FAST, to issue and deliver to the Holder (or its designee)
a certificate for the number of shares of Common Stock to which the Holder is entitled and register such shares of Common Stock on the
Company’s share register or, if the Transfer Agent is participating in FAST, to credit the balance account of the Holder or the
Holder’s designee with DTC for such number of shares of Common Stock to which the Holder is entitled upon the Holder’s conversion
of this Note (as the case may be) or (II) if the Registration Statement covering the resale of the shares of Common Stock that are the
subject of the Conversion Notice (the “Unavailable Conversion Shares”) is not available for the resale of such Unavailable
Conversion Shares and the Company fails to promptly (x) so notify the Holder and (y) deliver the shares of Common Stock electronically
without any restrictive legend by crediting such aggregate number of shares of Common Stock to which the Holder is entitled pursuant
to such conversion to the Holder’s or its designee’s balance account with DTC through its Deposit/Withdrawal At Custodian
system (the event described in the immediately foregoing clause (II) is hereinafter referred as a “Notice Failure”
and together with the event described in clause (I) above, a “Conversion Failure”), then, in addition to all other
remedies available to the Holder, (1) the Company shall pay in cash to the Holder on each day after such Share Delivery Deadline that
the issuance of such shares of Common Stock is not timely effected an amount equal to 2% of the product of (A) the sum of the number
of shares of Common Stock not issued to the Holder on or prior to the Share Delivery Deadline and to which the Holder is entitled, multiplied
by (B) any trading price of the Common Stock selected by the Holder in writing as in effect at any time during the period beginning on
the applicable Conversion Date and ending on the applicable Share Delivery Deadline and (2) the Holder, upon written notice to the Company,
may void its Conversion Notice with respect to, and retain or have returned (as the case may be) any portion of this Note that has not
been converted pursuant to such Conversion Notice, provided that the voiding of a Conversion Notice shall not affect the Company’s
obligations to make any payments which have accrued prior to the date of such notice pursuant to this Section 3(c)(ii) or otherwise.
In addition to the foregoing, if on or prior to the Share Delivery Deadline if either a Conversion Failure or a Notice Failure occurs,
and if on or after such Share Delivery Deadline the Holder purchases (in an open market transaction or otherwise) shares of Common Stock
corresponding to all or any portion of the number of shares of Common Stock issuable upon such conversion that the Holder is entitled
to receive from the Company and has not received from the Company in connection with such Conversion Failure or Notice Failure, as applicable
(a “Buy-In”), then, in addition to all other remedies available to the Holder, the Company shall, within two (2) Business
Days after receipt of the Holder’s request and in the Holder’s discretion, either: (I) pay cash to the Holder in an amount
equal to the Holder’s total purchase price (including brokerage commissions and other out-of-pocket expenses, if any) for the shares
of Common Stock so purchased (including, without limitation, by any other Person in respect, or on behalf, of the Holder) (the “Buy-In
Price”), at which point the Company’s obligation to so issue and deliver such certificate (and to issue such shares of
Common Stock) or credit the balance account of such Holder or such Holder’s designee, as applicable, with DTC for the number of
shares of Common Stock to which the Holder is entitled upon the Holder’s conversion hereunder (as the case may be) (and to issue
such shares of Common Stock) shall terminate, or (II) promptly honor its obligation to so issue and deliver to the Holder a certificate
or certificates representing such shares of Common Stock or credit the balance account of such Holder or such Holder’s designee,
as applicable, with DTC for the number of shares of Common Stock to which the Holder is entitled upon the Holder’s conversion hereunder
(as the case may be) and pay cash to the Holder in an amount equal to the excess (if any) of the Buy-In Price over the product of (x)
such number of shares of Common Stock multiplied by (y) the lowest Closing Sale Price of the Common Stock on any Trading Day during the
period commencing on the date of the applicable Conversion Notice and ending on the date of such issuance and payment under this clause
(II) (the “Buy-In Payment Amount”). Nothing shall limit the Holder’s right to pursue any other remedies available
to it hereunder, at law or in equity, including, without limitation, a decree of specific performance and/or injunctive relief with respect
to the Company’s failure to timely deliver certificates representing shares of Common Stock (or to electronically deliver such
shares of Common Stock) upon the conversion of this Note as required pursuant to the terms hereof.

 

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(iii)
Registration; Book-Entry. The Company shall maintain a register (the “Register”) for the recordation of the
names and addresses of the holders of each Note and the principal amount of the Notes held by such holders (the “Registered
Notes”). The entries in the Register shall be conclusive and binding for all purposes absent manifest error. The Company and
the holders of the Notes shall treat each Person whose name is recorded in the Register as the owner of a Note for all purposes (including,
without limitation, the right to receive payments of Principal and Interest hereunder) notwithstanding notice to the contrary. A Registered
Note may be assigned, transferred or sold in whole or in part only by registration of such assignment or sale on the Register. Upon its
receipt of a written request to assign, transfer or sell all or part of any Registered Note by the holder thereof, the Company shall
record the information contained therein in the Register and issue one or more new Registered Notes in the same aggregate principal amount
as the principal amount of the surrendered Registered Note to the designated assignee or transferee pursuant to Section 19, provided
that if the Company does not so record an assignment, transfer or sale (as the case may be) of all or part of any Registered Note within
two (2) Business Days of such a request, then the Register shall be automatically deemed updated to reflect such assignment, transfer
or sale (as the case may be). Notwithstanding anything to the contrary set forth in this Section 3, following conversion of any
portion of this Note in accordance with the terms hereof, the Holder shall not be required to physically surrender this Note to the Company
unless (A) the full Conversion Amount represented by this Note is being converted (in which event this Note shall be delivered to the
Company following conversion thereof as contemplated by Section 3(c)(i)) or (B) the Holder has provided the Company with prior written
notice (which notice may be included in a Conversion Notice) requesting reissuance of this Note upon physical surrender of this Note.
The Company shall maintain records showing the Principal, Interest and Late Charges converted and/or paid (as the case may be) and the
dates of such conversions, and/or payments (as the case may be) or shall use such other method, reasonably satisfactory to the Holder
and the Company, so as not to require physical surrender of this Note upon conversion. If the Company does not update the Register to
record such Principal, Interest and Late Charges converted and/or paid (as the case may be) and the dates of such conversions, and/or
payments (as the case may be) within two (2) Business Days of such occurrence, then the Register shall be automatically deemed updated
to reflect such occurrence.

 

(iv)
Pro Rata Conversion; Disputes. In the event that the Company receives a Conversion Notice from more than one holder of Notes for
the same Conversion Date and the Company can convert some, but not all, of such portions of the Notes submitted for conversion, the Company,
subject to Section 3(d), shall convert from each holder of Notes electing to have Notes converted on such date a pro rata amount of such
holder’s portion of its Notes submitted for conversion based on the principal amount of Notes submitted for conversion on such
date by such holder relative to the aggregate principal amount of all Notes submitted for conversion on such date. In the event of a
dispute as to the number of shares of Common Stock issuable to the Holder in connection with a conversion of this Note, the Company shall
issue to the Holder the number of shares of Common Stock not in dispute and resolve such dispute in accordance with Section 24.

 

    5

    

    

 

(d)
Limitations on Conversions. The Company shall not effect the conversion of any portion of this Note, and the Holder shall not
have the right to convert any portion of this Note pursuant to the terms and conditions of this Note and any such conversion shall be
null and void and treated as if never made, to the extent that after giving effect to such conversion, the Holder together with the other
Attribution Parties collectively would beneficially own in excess of 9.99% (the “Maximum Percentage”) of the shares
of Common Stock outstanding immediately after giving effect to such conversion. For purposes of the foregoing sentence, the aggregate
number of shares of Common Stock beneficially owned by the Holder and the other Attribution Parties shall include the number of shares
of Common Stock held by the Holder and all other Attribution Parties plus the number of shares of Common Stock issuable upon conversion
of this Note with respect to which the determination of such sentence is being made, but shall exclude shares of Common Stock which would
be issuable upon (A) conversion of the remaining, nonconverted portion of this Note beneficially owned by the Holder or any of the other
Attribution Parties and (B) exercise or conversion of the unexercised or nonconverted portion of any other securities of the Company
(including, without limitation, any convertible notes or convertible preferred stock or warrants, including, without limitation, the
Warrants) beneficially owned by the Holder or any other Attribution Party subject to a limitation on conversion or exercise analogous
to the limitation contained in this Section 3(d). For purposes of this Section 3(d), beneficial ownership shall be calculated in accordance
with Section 13(d) of the 1934 Act. For purposes of determining the number of outstanding shares of Common Stock the Holder may acquire
upon the conversion of this Note without exceeding the Maximum Percentage, the Holder may rely on the number of outstanding shares of
Common Stock as reflected in (x) the Company’s most recent Annual Report on Form 10-K, Quarterly Report on Form 10-Q, Current Report
on Form 8-K or other public filing with the SEC, as the case may be, (y) a more recent public announcement by the Company or (z) any
other written notice by the Company or the Transfer Agent, if any, setting forth the number of shares of Common Stock outstanding (the
“Reported Outstanding Share Number”). If the Company receives a Conversion Notice from the Holder at a time when the
actual number of outstanding shares of Common Stock is less than the Reported Outstanding Share Number, the Company shall notify the
Holder in writing of the number of shares of Common Stock then outstanding and, to the extent that such Conversion Notice would otherwise
cause the Holder’s beneficial ownership, as determined pursuant to this Section 3(d), to exceed the Maximum Percentage, the Holder
must notify the Company of a reduced number of shares of Common Stock to be purchased pursuant to such Conversion Notice. For any reason
at any time, upon the written or oral request of the Holder, the Company shall within one (1) Business Day confirm orally and in writing
or by electronic mail to the Holder the number of shares of Common Stock then outstanding. In any case, the number of outstanding shares
of Common Stock shall be determined after giving effect to the conversion or exercise of securities of the Company, including this Note,
by the Holder and any other Attribution Party since the date as of which the Reported Outstanding Share Number was reported. In the event
that the issuance of shares of Common Stock to the Holder upon conversion of this Note results in the Holder and the other Attribution
Parties being deemed to beneficially own, in the aggregate, more than the Maximum Percentage of the number of outstanding shares of Common
Stock (as determined under Section 13(d) of the 1934 Act), the number of shares so issued by which the Holder’s and the other Attribution
Parties’ aggregate beneficial ownership exceeds the Maximum Percentage (the “Excess Shares”) shall be deemed
null and void and shall be cancelled ab initio, and the Holder shall not have the power to vote or to transfer the Excess Shares. Upon
delivery of a written notice to the Company, the Holder may from time to time increase (with such increase not effective until the sixty-first
(61st) day after delivery of such notice) or decrease the Maximum Percentage to any other percentage not in excess of 9.99% as specified
in such notice; provided that (i) any such increase in the Maximum Percentage will not be effective until the sixty-first (61st) day
after such notice is delivered to the Company and (ii) any such increase or decrease will apply only to the Holder and the other Attribution
Parties and not to any other holder of Notes that is not an Attribution Party of the Holder. For purposes of clarity, the shares of Common
Stock issuable pursuant to the terms of this Note in excess of the Maximum Percentage shall not be deemed to be beneficially owned by
the Holder for any purpose including for purposes of Section 13(d) or Rule 16a-1(a)(1) of the 1934 Act. No prior inability to convert
this Note pursuant to this paragraph shall have any effect on the applicability of the provisions of this paragraph with respect to any
subsequent determination of convertibility. The provisions of this paragraph shall be construed and implemented in a manner otherwise
than in strict conformity with the terms of this Section 3(d) to the extent necessary to correct this paragraph (or any portion of this
paragraph) which may be defective or inconsistent with the intended beneficial ownership limitation contained in this Section 3(d) or
to make changes or supplements necessary or desirable to properly give effect to such limitation. The limitation contained in this paragraph
may not be waived and shall apply to a successor holder of this Note.

 

    6

    

    

 

(e)
Right of Alternate Conversion Upon an Event of Default.

 

(i)
General. Subject to Section 3(d), at any time after the occurrence of an Event of Default (regardless of whether such Event of
Default has been cured, or the Company has delivered an Event of Default Notice to the Holder or if the Holder has delivered an Event
of Default Redemption Notice to the Company or otherwise notified the Company that an Event of Default has occurred), the Holder may,
at the Holder’s option, convert (each, an “Alternate Conversion”, and the date of such Alternate Conversion,
each, an “Alternate Conversion Date”) all, or any part of, the Conversion Amount (such portion of the Conversion Amount
subject to such Alternate Conversion, the “Alternate Conversion Amount”) into shares of Common Stock at the Alternate
Conversion Price.

 

(ii)
Mechanics of Alternate Conversion. On any Alternate Conversion Date, the Holder may voluntarily convert any Alternate Conversion
Amount pursuant to Section 3(c) (with “Alternate Conversion Price” replacing “Conversion Price” for all purposes
hereunder with respect to such Alternate Conversion and with “Redemption Premium of the Conversion Amount” replacing “Conversion
Amount” in clause (x) of the definition of Conversion Rate above with respect to such Alternate Conversion) by designating in the
Conversion Notice delivered pursuant to this Section 3(e) of this Note that the Holder is electing to use the Alternate Conversion Price
for such conversion. Notwithstanding anything to the contrary in this Section 3(e), but subject to Section 3(d), until the Company delivers
shares of Common Stock representing the applicable Alternate Conversion Amount to the Holder, such Alternate Conversion Amount may be
converted by the Holder into shares of Common Stock pursuant to Section 3(c) without regard to this Section 3(e).

 

4.
RIGHTS UPON EVENT OF DEFAULT.

 

(a)
Event of Default. Each of the following events shall constitute an “Event of Default” and each of the events
in clauses (viii), (ix) and (x) shall constitute a “Bankruptcy Event of Default”:

 

(i)
the suspension from trading or the failure of the Common Stock to be trading or listed (as applicable) on an Eligible Market for a period
of five (5) consecutive Trading Days;

 

    7

    

    

 

(ii)
the Company’s (A) failure to cure a Conversion Failure or a Delivery Failure (as defined in the Warrants) by delivery of the required
number of shares of Common Stock within five (5) Trading Days after the applicable Conversion Date or exercise date (as the case may
be) or (B) notice, written or oral, to any holder of the Notes or Warrants, including, without limitation, by way of public announcement
or through any of its agents, at any time, of its intention not to comply, as required, with a request for conversion of any Notes into
shares of Common Stock that is requested in accordance with the provisions of the Notes, other than pursuant to Section 3(d), or a request
for exercise of any Warrants for shares of Common Stock in accordance with the provisions of the Warrants;

 

(iii)
except to the extent the Company is in compliance with Section 11(b) below, at any time following the tenth (10th) consecutive day that
the Holder’s Authorized Share Allocation (as defined in Section 11(a) below) is less than (A) the number of shares of Common Stock
that the Holder would be entitled to receive upon a conversion of the full Conversion Amount of this Note (without regard to any limitations
on conversion set forth in Section 3(d) or otherwise), plus (B) the number of shares of Common Stock that the Holder would be entitled
to receive upon exercise in full of the Holder’s Warrants (without regard to any limitations on exercise set forth in the Warrants);

 

(iv)
the Company’s or any Subsidiary’s failure to pay to the Holder any amount of Principal, Interest, Late Charges or other amounts
when and as due under this Note (including, without limitation, the Company’s or any Subsidiary’s failure to pay any redemption
payments or amounts hereunder) or any other Transaction Document (as defined in the Securities Purchase Agreement) or any other agreement,
document, certificate or other instrument delivered in connection with the transactions contemplated hereby and thereby, except, in the
case of a failure to pay Interest and Late Charges when and as due, in which case only if such failure remains uncured for a period of
at least two (2) Trading Days;

 

(v)
the Company fails to remove any restrictive legend on any certificate or any shares of Common Stock issued to the Holder upon conversion
or exercise (as the case may be) of any Securities (as defined in the Securities Purchase Agreement) acquired by the Holder under the
Securities Purchase Agreement (including this Note) as and when required by such Securities or the Securities Purchase Agreement, unless
otherwise then prohibited by applicable federal securities laws, and any such failure remains uncured for at least five (5) days;

 

(vi)
the occurrence of any default under, redemption of or acceleration prior to maturity of at least an aggregate of $100,000 of Indebtedness
(as defined in the Securities Purchase Agreement) of the Company or any of its Subsidiaries, other than with respect to any Other Notes;

 

(vii)
bankruptcy, insolvency, reorganization or liquidation proceedings or other proceedings for the relief of debtors shall be instituted
by or against the Company or any Subsidiary and, if instituted against the Company or any Subsidiary by a third party, shall not be dismissed
within thirty (30) days of their initiation;

 

    8

    

    

 

(viii)
the commencement by the Company or any Subsidiary of a voluntary case or proceeding under any applicable federal, state or foreign bankruptcy,
insolvency, reorganization or other similar law or of any other case or proceeding to be adjudicated a bankrupt or insolvent, or the
consent by it to the entry of a decree, order, judgment or other similar document in respect of the Company or any Subsidiary in an involuntary
case or proceeding under any applicable federal, state or foreign bankruptcy, insolvency, reorganization or other similar law or to the
commencement of any bankruptcy or insolvency case or proceeding against it, or the filing by it of a petition or answer or consent seeking
reorganization or relief under any applicable federal, state or foreign law, or the consent by it to the filing of such petition or to
the appointment of or taking possession by a custodian, receiver, liquidator, assignee, trustee, sequestrator or other similar official
of the Company or any Subsidiary or of any substantial part of its property, or the making by it of an assignment for the benefit of
creditors, or the execution of a composition of debts, or the occurrence of any other similar federal, state or foreign proceeding, or
the admission by it in writing of its inability to pay its debts generally as they become due, the taking of corporate action by the
Company or any Subsidiary in furtherance of any such action or the taking of any action by any Person to commence a Uniform Commercial
Code foreclosure sale or any other similar action under federal, state or foreign law;

 

(ix)
the entry by a court of (i) a decree, order, judgment or other similar document in respect of the Company or any Subsidiary of a voluntary
or involuntary case or proceeding under any applicable federal, state or foreign bankruptcy, insolvency, reorganization or other similar
law or (ii) a decree, order, judgment or other similar document adjudging the Company or any Subsidiary as bankrupt or insolvent, or
approving as properly filed a petition seeking liquidation, reorganization, arrangement, adjustment or composition of or in respect of
the Company or any Subsidiary under any applicable federal, state or foreign law or (iii) a decree, order, judgment or other similar
document appointing a custodian, receiver, liquidator, assignee, trustee, sequestrator or other similar official of the Company or any
Subsidiary or of any substantial part of its property, or ordering the winding up or liquidation of its affairs, and the continuance
of any such decree, order, judgment or other similar document or any such other decree, order, judgment or other similar document unstayed
and in effect for a period of thirty (30) consecutive days;

 

(x)
a final judgment or judgments for the payment of money aggregating in excess of $100,000 are rendered against the Company and/or any
of its Subsidiaries and which judgments are not, within thirty (30) days after the entry thereof, bonded, discharged, settled or stayed
pending appeal, or are not discharged within thirty (30) days after the expiration of such stay; provided, however, any judgment which
is covered by insurance or an indemnity from a credit worthy party shall not be included in calculating the $100,000 amount set forth
above so long as the Company provides the Required Holders a written statement from such insurer or indemnity provider (which written
statement shall be reasonably satisfactory to the Required Holders) to the effect that such judgment is covered by insurance or an indemnity
and the Company or such Subsidiary (as the case may be) will receive the proceeds of such insurance or indemnity within thirty (30) days
of the issuance of such judgment;

 

    9

    

    

 

(xi)
the Company and/or any Subsidiary, individually or in the aggregate, either (i) fails to pay, when due, or within any applicable grace
period, any payment with respect to any Indebtedness in excess of $100,000 due to any third party (other than, with respect to unsecured
Indebtedness only, payments contested by the Company and/or such Subsidiary (as the case may be) in good faith by proper proceedings
and with respect to which adequate reserves have been set aside for the payment thereof in accordance with GAAP) or is otherwise in breach
or violation of any agreement for monies owed or owing in an amount in excess of $100,000, which breach or violation permits the other
party thereto to declare a default or otherwise accelerate amounts due thereunder, or (ii) suffer to exist any other circumstance or
event that would, with or without the passage of time or the giving of notice, result in a default or event of default under any agreement
binding the Company or any Subsidiary, which default or event of default would or is likely to have a material adverse effect on the
business, assets, operations (including results thereof), liabilities, properties, condition (including financial condition) or prospects
of the Company or any of its Subsidiaries, individually or in the aggregate;

 

(xii)
other than as specifically set forth in another clause of this Section 4(a), the Company or any Subsidiary breaches any representation
or warranty or any covenant or other term or condition of any Transaction Document, except, in the case of a breach of a covenant or
other term or condition that is curable, only if such breach remains uncured for a period of two (2) consecutive Trading Days;;

 

(xiii)
a false or inaccurate certification (including a false or inaccurate deemed certification) by the Company that either (A) the Equity
Conditions are satisfied, (B) there has been no Equity Conditions Failure, or (C) as to whether any Event of Default has occurred;

 

(xiv)
any failure by the Company to timely deliver any notice required to be delivered to the Holder under any of the Transaction Documents
as required thereby;

 

(xv)
any breach or failure in any respect by the Company or any Subsidiary to comply with any provision of Section 14 of this Note or Sections
4(t) and Section 4(dd) of the Securities Purchase Agreement;

 

(xvi)
any Material Adverse Effect (as defined in the Securities Purchase Agreement) occurs;

 

(xvii)
any provision of any Transaction Document (including, without limitation, the Security Documents and the Guaranties) shall at any time
for any reason (other than pursuant to the express terms thereof) cease to be valid and binding on or enforceable against the parties
thereto, or the validity or enforceability thereof shall be contested by any party thereto, or a proceeding shall be commenced by the
Company or any Subsidiary or any governmental authority having jurisdiction over any of them, seeking to establish the invalidity or
unenforceability thereof, or the Company or any Subsidiary shall deny in writing that it has any liability or obligation purported to
be created under any Transaction Document (including, without limitation, the Security Documents and the Guaranties);

 

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(xviii)
any Security Document shall for any reason fail or cease to create a separate valid and perfected and, except to the extent permitted
by the terms hereof or thereof, first priority Lien (as defined in the Securities Purchase Agreement) on the Collateral (as defined in
the Security Documents) in favor of the Collateral Agent (as defined in the Securities Purchase Agreement) or any material provision
of any Security Document shall at any time for any reason cease to be valid and binding on or enforceable against the Company or the
validity or enforceability thereof shall be contested by any party thereto, or a proceeding shall be commenced by the Company or any
governmental authority having jurisdiction over the Company, seeking to establish the invalidity or unenforceability thereof;

 

(xix)
any material damage to, or loss, theft or destruction of, any Collateral, whether or not insured, or any strike, lockout, labor dispute,
embargo, condemnation, act of God or public enemy, or other casualty which causes, for more than fifteen (15) consecutive days, the cessation
or substantial curtailment of revenue producing activities at any facility of the Company or any Subsidiary, if any such event or circumstance
could have a Material Adverse Effect; or

 

(xx)
any Event of Default (as defined in the Other Notes) occurs with respect to any Other Notes.

 

(b)
Notice of an Event of Default; Redemption Right. Upon the occurrence of an Event of Default with respect to this Note or any Other
Note, the Company shall within one (1) Business Day deliver written notice thereof via electronic mail and overnight courier (with next
day delivery specified) (an “Event of Default Notice”) to the Holder. At any time after the earlier of the Holder’s
receipt of an Event of Default Notice and the Holder becoming aware of an Event of Default, the Holder may require the Company to redeem
(regardless of whether such Event of Default has been cured) all or any portion of this Note by delivering written notice thereof (the
“Event of Default Redemption Notice”) to the Company, which Event of Default Redemption Notice shall indicate the
portion of this Note the Holder is electing to redeem. Each portion of this Note subject to redemption by the Company pursuant to this
Section 4(b) shall be redeemed by the Company at a price equal to the greater of (i) 115% of the Conversion Amount to be redeemed and
(ii) the product of (X) the Conversion Rate with respect to the Conversion Amount to be redeemed at such time as the Holder delivers
an Event of Default Redemption Notice multiplied by (Y) the product of (1) the Redemption Premium multiplied by (2) the greatest Closing
Sale Price of the Common Stock on any Trading Day during the period commencing on the Trading Day immediately preceding such Event of
Default (or deemed Event of Default disregarding any cure period in such Event of Default above) and ending on the date the Company makes
the entire payment required to be made under this Section 4(b) (the “Event of Default Redemption Price”). Redemptions
required by this Section 4(b) shall be made in accordance with the provisions of Section 12. To the extent redemptions required by this
Section 4(b) are deemed or determined by a court of competent jurisdiction to be prepayments of this Note by the Company, such redemptions
shall be deemed to be voluntary prepayments. Notwithstanding anything to the contrary in this Section 4(b), but subject to Section 3(d),
until the Event of Default Redemption Price (together with any Late Charges thereon) is paid in full, the Conversion Amount submitted
for redemption under this Section 4(b) (together with any Late Charges thereon) may be converted, in whole or in part, by the Holder
into Common Stock pursuant to the terms of this Note. In the event of the Company’s redemption of any portion of this Note under
this Section 4(b), the Holder’s damages would be uncertain and difficult to estimate because of the parties’ inability to
predict future interest rates and the uncertainty of the availability of a suitable substitute investment opportunity for the Holder.
Accordingly, any redemption premium due under this Section 4(b) is intended by the parties to be, and shall be deemed, a reasonable estimate
of the Holder’s actual loss of its investment opportunity and not as a penalty. Any redemption upon an Event of Default shall not
constitute an election of remedies by the Holder, and all other rights and remedies of the Holder shall be preserved.

 

    11

    

    

 

(c)
Mandatory Redemption upon Bankruptcy Event of Default. Notwithstanding anything to the contrary herein, and notwithstanding any
conversion that is then required or in process, upon any Bankruptcy Event of Default, whether occurring prior to or following the Maturity
Date, the Company shall immediately pay to the Holder an amount in cash representing (i) all outstanding Principal, accrued and unpaid
Interest and accrued and unpaid Late Charges on such Principal and Interest, multiplied by (ii) the Redemption Premium, in addition to
any and all other amounts due hereunder, without the requirement for any notice or demand or other action by the Holder or any other
person or entity, provided that the Holder may, in its sole discretion, waive such right to receive payment upon a Bankruptcy Event of
Default, in whole or in part, and any such waiver shall not affect any other rights of the Holder hereunder, including any other rights
in respect of such Bankruptcy Event of Default, any right to conversion, and any right to payment of the Event of Default Redemption
Price or any other Redemption Price, as applicable.

 

5.
RIGHTS UPON FUNDAMENTAL TRANSACTION.

 

(a)
Assumption. The Company shall not enter into or be party to a Fundamental Transaction unless (i) the Successor Entity assumes
in writing all of the obligations of the Company under this Note and the other Transaction Documents in accordance with the provisions
of this Section 5(a) pursuant to written agreements in form and substance satisfactory to the Required Holders and approved by the Required
Holders prior to such Fundamental Transaction, including agreements to deliver to each holder of Notes in exchange for such Notes a security
of the Successor Entity evidenced by a written instrument substantially similar in form and substance to the Notes, including, without
limitation, having a principal amount and interest rate equal to the principal amounts then outstanding and the interest rates of the
Notes held by such holder, having similar conversion rights as the Notes and having similar ranking and security to the Notes, and satisfactory
to the Required Holders and (ii) the Successor Entity (including its Parent Entity) is a publicly traded corporation whose common
stock is quoted on or listed for trading on an Eligible Market. Upon the occurrence of any Fundamental Transaction, the Successor Entity
shall succeed to, and be substituted for (so that from and after the date of such Fundamental Transaction, the provisions of this Note
and the other Transaction Documents referring to the “Company” shall refer instead to the Successor Entity), and may exercise
every right and power of the Company and shall assume all of the obligations of the Company under this Note and the other Transaction
Documents with the same effect as if such Successor Entity had been named as the Company herein. Upon consummation of a Fundamental Transaction,
the Successor Entity shall deliver to the Holder confirmation that there shall be issued upon conversion or redemption of this Note at
any time after the consummation of such Fundamental Transaction, in lieu of the shares of Common Stock (or other securities, cash, assets
or other property (except such items still issuable under Sections 6 and 16, which shall continue to be receivable thereafter)) issuable
upon the conversion or redemption of the Notes prior to such Fundamental Transaction, such shares of the publicly traded common stock
(or their equivalent) of the Successor Entity (including its Parent Entity) which the Holder would have been entitled to receive upon
the happening of such Fundamental Transaction had this Note been converted immediately prior to such Fundamental Transaction (without
regard to any limitations on the conversion of this Note), as adjusted in accordance with the provisions of this Note. Notwithstanding
the foregoing, the Required Holders may elect, at its sole option, by delivery of written notice to the Company to waive this Section
5(a) to permit the Fundamental Transaction without the assumption of this Note. The provisions of this Section 5 shall apply similarly
and equally to successive Fundamental Transactions and shall be applied without regard to any limitations on the conversion of this Note.

 

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(b)
Notice of a Change of Control; Redemption Right. No sooner than twenty (20) Trading Days nor later than ten (10) Trading Days
prior to the consummation of a Change of Control (the “Change of Control Date”), but not prior to the public announcement
of such Change of Control, the Company shall deliver written notice of such Change of Control or anticipated Change of Control via electronic
mail and overnight courier to the Holder (a “Change of Control Notice”). At any time during the period beginning after
the Holder’s receipt of a Change of Control Notice or the Holder becoming aware of a Change of Control if a Change of Control Notice
is not delivered to the Holder in accordance with the immediately preceding sentence (as applicable) and ending on twenty (20) Trading
Days after the later of (A) the date of consummation of such Change of Control or (B) the date of receipt of such Change of Control Notice
or (C) the date of the announcement of such Change of Control, the Holder may require the Company to redeem all or any portion of this
Note by delivering written notice thereof (“Change of Control Redemption Notice”) to the Company, which Change of
Control Redemption Notice shall indicate the Conversion Amount the Holder is electing to redeem. The portion of this Note subject to
redemption pursuant to this Section 5 shall be redeemed by the Company in cash at a price equal to the greatest of (i) the product of
(x) the Change of Control Redemption Premium multiplied by (y) the Conversion Amount being redeemed, (ii) the product of (x) the applicable
Equity Value Redemption Premium multiplied by (y) the product of (A) the Conversion Amount being redeemed multiplied by (B) the quotient
determined by dividing (I) the greatest Closing Sale Price of the shares of Common Stock during the period beginning on the date immediately
preceding the earlier to occur of (1) the consummation of the applicable Change of Control and (2) the public announcement of such Change
of Control and ending on the date the Holder delivers the Change of Control Redemption Notice by (II) the Conversion Price then in effect
and (iii) the product of (x) the applicable Equity Value Redemption Premium multiplied by (y) the product of (A) the Conversion Amount
being redeemed multiplied by (B) the quotient of (I) the aggregate cash consideration and the aggregate cash value of any non-cash consideration
per share of Common Stock to be paid to the holders of the shares of Common Stock upon consummation of such Change of Control (any such
non-cash consideration constituting publicly-traded securities shall be valued at the highest of the Closing Sale Price of such securities
as of the Trading Day immediately prior to the consummation of such Change of Control, the Closing Sale Price of such securities on the
Trading Day immediately following the public announcement of such proposed Change of Control and the Closing Sale Price of such securities
on the Trading Day immediately prior to the public announcement of such proposed Change of Control) divided by (II) the Conversion Price
then in effect (the “Change of Control Redemption Price”). Redemptions required by this Section 5 shall be made in
accordance with the provisions of Section 12 and shall have priority to payments to stockholders in connection with such Change of Control.
To the extent redemptions required by this Section 5(b) are deemed or determined by a court of competent jurisdiction to be prepayments
of this Note by the Company, such redemptions shall be deemed to be voluntary prepayments. Notwithstanding anything to the contrary in
this Section 5, but subject to Section 3(d), until the Change of Control Redemption Price (together with any Late Charges thereon) is
paid in full, the Conversion Amount submitted for redemption under this Section 5(b) (together with any Late Charges thereon) may be
converted, in whole or in part, by the Holder into Common Stock pursuant to Section 3. In the event of the Company’s redemption
of any portion of this Note under this Section 5(b), the Holder’s damages would be uncertain and difficult to estimate because
of the parties’ inability to predict future interest rates and the uncertainty of the availability of a suitable substitute investment
opportunity for the Holder. Accordingly, any redemption premium due under this Section 5(b) is intended by the parties to be, and shall
be deemed, a reasonable estimate of the Holder’s actual loss of its investment opportunity and not as a penalty.

 

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6.
RIGHTS UPON ISSUANCE OF PURCHASE RIGHTS AND OTHER CORPORATE EVENTS.

 

(a)
Purchase Rights. In addition to any adjustments pursuant to Section 7 and Section 16 below, if at any time the Company grants,
issues or sells any Options, Convertible Securities or rights to purchase stock, warrants, securities or other property pro rata to all
or substantially all of the record holders of any class of Common Stock (the “Purchase Rights”), then the Holder will
be entitled to acquire, upon the terms applicable to such Purchase Rights, the aggregate Purchase Rights which the Holder could have
acquired if the Holder had held the number of shares of Common Stock acquirable upon complete conversion of this Note (without taking
into account any limitations or restrictions on the convertibility of this Note and assuming for such purpose that the Note was converted
at the Alternate Conversion Price as of the applicable record date) immediately prior to the date on which a record is taken for the
grant, issuance or sale of such Purchase Rights, or, if no such record is taken, the date as of which the record holders of shares of
Common Stock are to be determined for the grant, issue or sale of such Purchase Rights (provided, however, that to the
extent that the Holder’s right to participate in any such Purchase Right would result in the Holder and the other Attribution Parties
exceeding the Maximum Percentage, then the Holder shall not be entitled to participate in such Purchase Right to the extent of the Maximum
Percentage (and shall not be entitled to beneficial ownership of such shares of Common Stock as a result of such Purchase Right (and
beneficial ownership) to the extent of any such excess) and such Purchase Right to such extent shall be held in abeyance (and, if such
Purchase Right has an expiration date, maturity date or other similar provision, such term shall be extended by such number of days held
in abeyance, if applicable) for the benefit of the Holder until such time or times, if ever, as its right thereto would not result in
the Holder and the other Attribution Parties exceeding the Maximum Percentage, at which time or times the Holder shall be granted such
right (and any Purchase Right granted, issued or sold on such initial Purchase Right or on any subsequent Purchase Right held similarly
in abeyance (and, if such Purchase Right has an expiration date, maturity date or other similar provision, such term shall be extended
by such number of days held in abeyance, if applicable)) to the same extent as if there had been no such limitation).

 

(b)
Other Corporate Events. In addition to and not in substitution for any other rights hereunder, prior to the consummation of any
Fundamental Transaction pursuant to which holders of shares of Common Stock are entitled to receive securities or other assets with respect
to or in exchange for shares of Common Stock (a “Corporate Event”), the Company shall make appropriate provision to
ensure that the Holder will thereafter have the right to receive upon a conversion of this Note, at the Holder’s option (i) in
addition to the shares of Common Stock receivable upon such conversion, such securities or other assets to which the Holder would have
been entitled with respect to such shares of Common Stock had such shares of Common Stock been held by the Holder upon the consummation
of such Corporate Event (without taking into account any limitations or restrictions on the convertibility of this Note) or (ii) in lieu
of the shares of Common Stock otherwise receivable upon such conversion, such securities or other assets received by the holders of shares
of Common Stock in connection with the consummation of such Corporate Event in such amounts as the Holder would have been entitled to
receive had this Note initially been issued with conversion rights for the form of such consideration (as opposed to shares of Common
Stock) at a conversion rate for such consideration commensurate with the Conversion Rate. Provision made pursuant to the preceding sentence
shall be in a form and substance satisfactory to the Required Holders. The provisions of this Section 6 shall apply similarly and equally
to successive Corporate Events and shall be applied without regard to any limitations on the conversion or redemption of this Note.

 

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7.
RIGHTS UPON ISSUANCE OF OTHER SECURITIES.

 

(a)
Adjustment of Conversion Price upon Issuance of Common Stock. If and whenever on or after the Subscription Date the Company grants,
issues or sells (or enters into any agreement to grant, issue or sell), or in accordance with this Section 7(a) is deemed to have granted,
issued or sold, any shares of Common Stock (including the issuance or sale of shares of Common Stock owned or held by or for the account
of the Company, but excluding any Excluded Securities granted, issued or sold or deemed to have been granted, issued or sold) for a consideration
per share (the “New Issuance Price”) less than a price equal to the Conversion Price in effect immediately prior to
such granting, issuance or sale or deemed granting, issuance or sale (such Conversion Price then in effect is referred to herein as the
“Applicable Price”) (the foregoing a “Dilutive Issuance”), then, immediately after such Dilutive
Issuance, the Conversion Price then in effect shall be reduced to an amount equal to the New Issuance Price. For all purposes of the
foregoing (including, without limitation, determining the adjusted Conversion Price and the New Issuance Price under this Section 7(a)),
the following shall be applicable:

 

(i)
Issuance of Options. If the Company in any manner grants, issues or sells (or enters into any agreement to grant, issue or sell)
any Options and the lowest price per share for which one share of Common Stock is at any time issuable upon the exercise of any such
Option or upon conversion, exercise or exchange of any Convertible Securities issuable upon exercise of any such Option or otherwise
pursuant to the terms thereof is less than the Applicable Price, then such share of Common Stock shall be deemed to be outstanding and
to have been issued and sold by the Company at the time of the granting, issuance or sale of such Option for such price per share. For
purposes of this Section 7(a)(i), the “lowest price per share for which one share of Common Stock is at any time issuable upon
the exercise of any such Option or upon conversion, exercise or exchange of any Convertible Securities issuable upon exercise of any
such Option or otherwise pursuant to the terms thereof” shall be equal to (1) the lower of (x) the sum of the lowest amounts of
consideration (if any) received or receivable by the Company with respect to any one share of Common Stock upon the granting, issuance
or sale of such Option, upon exercise of such Option and upon conversion, exercise or exchange of any Convertible Security issuable upon
exercise of such Option or otherwise pursuant to the terms thereof and (y) the lowest exercise price set forth in such Option for which
one share of Common Stock is issuable (or may become issuable assuming all possible market conditions) upon the exercise of any such
Options or upon conversion, exercise or exchange of any Convertible Securities issuable upon exercise of any such Option or otherwise
pursuant to the terms thereof, minus (2) the sum of all amounts paid or payable to the holder of such Option (or any other Person) upon
the granting, issuance or sale of such Option, upon exercise of such Option and upon conversion, exercise or exchange of any Convertible
Security issuable upon exercise of such Option or otherwise pursuant to the terms thereof plus the value of any other consideration received
or receivable by, or benefit conferred on, the holder of such Option (or any other Person). Except as contemplated below, no further
adjustment of the Conversion Price shall be made upon the actual issuance of such share of Common Stock or of such Convertible Securities
upon the exercise of such Options or otherwise pursuant to the terms thereof or upon the actual issuance of such shares of Common Stock
upon conversion, exercise or exchange of such Convertible Securities.

 

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(ii)
Issuance of Convertible Securities. If the Company in any manner issues or sells (or enters into any agreement to issue or sell)
any Convertible Securities and the lowest price per share for which one share of Common Stock is at any time issuable upon the conversion,
exercise or exchange thereof or otherwise pursuant to the terms thereof is less than the Applicable Price, then such share of Common
Stock shall be deemed to be outstanding and to have been issued and sold by the Company at the time of the issuance or sale (or the time
of execution of such agreement to issue or sell, as applicable) of such Convertible Securities for such price per share. For the purposes
of this Section 7(a)(ii), the “lowest price per share for which one share of Common Stock is at any time issuable upon the conversion,
exercise or exchange thereof or otherwise pursuant to the terms thereof” shall be equal to (1) the lower of (x) the sum of the
lowest amounts of consideration (if any) received or receivable by the Company with respect to one share of Common Stock upon the issuance
or sale (or pursuant to the agreement to issue or sell, as applicable) of the Convertible Security and upon conversion, exercise or exchange
of such Convertible Security or otherwise pursuant to the terms thereof and (y) the lowest conversion price set forth in such Convertible
Security for which one share of Common Stock is issuable (or may become issuable assuming all possible market conditions) upon conversion,
exercise or exchange thereof or otherwise pursuant to the terms thereof minus (2) the sum of all amounts paid or payable to the holder
of such Convertible Security (or any other Person) upon the issuance or sale (or the agreement to issue or sell, as applicable) of such
Convertible Security plus the value of any other consideration received or receivable by, or benefit conferred on, the holder of such
Convertible Security (or any other Person). Except as contemplated below, no further adjustment of the Conversion Price shall be made
upon the actual issuance of such shares of Common Stock upon conversion, exercise or exchange of such Convertible Securities or otherwise
pursuant to the terms thereof, and if any such issuance or sale of such Convertible Securities is made upon exercise of any Options for
which adjustment of the Conversion Price has been or is to be made pursuant to other provisions of this Section 7(a), except as contemplated
below, no further adjustment of the Conversion Price shall be made by reason of such issuance or sale.

 

(iii)
Change in Option Price or Rate of Conversion. If the purchase or exercise price provided for in any Options, the additional consideration,
if any, payable upon the issue, conversion, exercise or exchange of any Convertible Securities, or the rate at which any Convertible
Securities are convertible into or exercisable or exchangeable for shares of Common Stock increases or decreases at any time (other than
proportional changes in conversion or exercise prices, as applicable, in connection with an event referred to in Section 7(b) below),
the Conversion Price in effect at the time of such increase or decrease shall be adjusted to the Conversion Price which would have been
in effect at such time had such Options or Convertible Securities provided for such increased or decreased purchase price, additional
consideration or increased or decreased conversion rate (as the case may be) at the time initially granted, issued or sold. For purposes
of this Section 7(a)(iii), if the terms of any Option or Convertible Security (including, without limitation, any Option or Convertible
Security that was outstanding as of the Subscription Date) are increased or decreased in the manner described in the immediately preceding
sentence, then such Option or Convertible Security and the shares of Common Stock deemed issuable upon exercise, conversion or exchange
thereof shall be deemed to have been issued as of the date of such increase or decrease. No adjustment pursuant to this Section 7(a)
shall be made if such adjustment would result in an increase of the Conversion Price then in effect.

 

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(iv)
Calculation of Consideration Received. If any Option and/or Convertible Security and/or Adjustment Right is issued in connection
with the issuance or sale or deemed issuance or sale of any other securities of the Company (as determined by the Required Holders, the
“Primary Security”, and such Option and/or Convertible Security and/or Adjustment Right, the “Secondary Securities”),
together comprising one integrated transaction (or one or more transactions if such issuances or sales or deemed issuances or sales of
securities of the Company either (A) have at least one investor or purchaser in common, (B) are consummated in reasonable proximity to
each other and/or (C) are consummated under the same plan of financing), the aggregate consideration per share of Common Stock with respect
to such Primary Security shall be deemed to be equal to the difference of (x) the lowest price per share for which one share of Common
Stock was issued (or was deemed to be issued pursuant to Section 7(a)(i) or 7(a)(ii) above, as applicable) in such integrated transaction
solely with respect to such Primary Security, minus (y) with respect to such Secondary Securities, the sum of (I) the Black Scholes Consideration
Value of each such Option, if any, (II) the fair market value (as determined by the Required Holders in good faith) or the Black Scholes
Consideration Value, as applicable, of such Adjustment Right, if any, and (III) the fair market value (as determined by the Required
Holders) of such Convertible Security, if any, in each case, as determined on a per share basis in accordance with this Section 7(a)(iv).
If any shares of Common Stock, Options or Convertible Securities are issued or sold or deemed to have been issued or sold for cash, the
consideration received therefor (for the purpose of determining the consideration paid for such Common Stock, Option or Convertible Security,
but not for the purpose of the calculation of the Black Scholes Consideration Value) will be deemed to be the net amount of consideration
received by the Company therefor. If any shares of Common Stock, Options or Convertible Securities are issued or sold for a consideration
other than cash, the amount of such consideration received by the Company (for the purpose of determining the consideration paid for
such Common Stock, Option or Convertible Security, but not for the purpose of the calculation of the Black Scholes Consideration Value)
will be the fair value of such consideration, except where such consideration consists of publicly traded securities, in which case the
amount of consideration received by the Company for such securities will be the arithmetic average of the VWAPs of such security for
each of the five (5) Trading Days immediately preceding the date of receipt. If any shares of Common Stock, Options or Convertible Securities
are issued to the owners of the non-surviving entity in connection with any merger in which the Company is the surviving entity, the
amount of consideration therefor (for the purpose of determining the consideration paid for such Common Stock, Option or Convertible
Security, but not for the purpose of the calculation of the Black Scholes Consideration Value) will be deemed to be the fair value of
such portion of the net assets and business of the non-surviving entity as is attributable to such shares of Common Stock, Options or
Convertible Securities (as the case may be). The fair value of any consideration other than cash or publicly traded securities will be
determined jointly by the Company and the Required Holders. If such parties are unable to reach agreement within ten (10) days after
the occurrence of an event requiring valuation (the “Valuation Event”), the fair value of such consideration will
be determined within five (5) Trading Days after the tenth (10th) day following such Valuation Event by an independent, reputable appraiser
jointly selected by the Company and the Required Holders. The determination of such appraiser shall be final and binding upon all parties
absent manifest error and the fees and expenses of such appraiser shall be borne by the Company.

 

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(v)
Record Date. If the Company takes a record of the holders of shares of Common Stock for the purpose of entitling them (A) to receive
a dividend or other distribution payable in shares of Common Stock, Options or in Convertible Securities or (B) to subscribe for or purchase
shares of Common Stock, Options or Convertible Securities, then such record date will be deemed to be the date of the issuance or sale
of the shares of Common Stock deemed to have been issued or sold upon the declaration of such dividend or the making of such other distribution
or the date of the granting of such right of subscription or purchase (as the case may be).

 

(b)
Adjustment of Conversion Price upon Subdivision or Combination of Common Stock. Without limiting any provision of Section 6,
Section 16 or Section 7(a), if the Company at any time on or after the Subscription Date subdivides (by any stock split, stock dividend,
stock combination, recapitalization or other similar transaction) one or more classes of its outstanding shares of Common Stock into
a greater number of shares, the Conversion Price in effect immediately prior to such subdivision will be proportionately reduced. Without
limiting any provision of Section 6, Section 16 or Section 7(a), if the Company at any time on or after the Subscription Date
combines (by any stock split, stock dividend, stock combination, recapitalization or other similar transaction) one or more classes of
its outstanding shares of Common Stock into a smaller number of shares, the Conversion Price in effect immediately prior to such combination
will be proportionately increased. Any adjustment pursuant to this Section 7(b) shall become effective immediately after the effective
date of such subdivision or combination. If any event requiring an adjustment under this Section 7(b) occurs during the period that a
Conversion Price is calculated hereunder, then the calculation of such Conversion Price shall be adjusted appropriately to reflect such
event.

 

(c)
Holder’s Right of Adjusted Conversion Price. In addition to and not in limitation of the other provisions of this Section
7, if the Company in any manner issues or sells or enters into any agreement to issue or sell, any Common Stock, Options or Convertible
Securities (any such securities, “Variable Price Securities”), after the Subscription Date that are issuable pursuant
to such agreement or convertible into or exchangeable or exercisable for shares of Common Stock at a price which varies or may vary with
the market price of the shares of Common Stock, including by way of one or more reset(s) to a fixed price, but exclusive of such formulations
reflecting customary anti-dilution provisions (such as share splits, share combinations, share dividends and similar transactions) (each
of the formulations for such variable price being herein referred to as, the “Variable Price”), the Company shall
provide written notice thereof via electronic mail and overnight courier to the Holder on the date of such agreement and the issuance
of such Common Stock, Convertible Securities or Options. From and after the date the Company enters into such agreement or issues any
such Variable Price Securities, the Holder shall have the right, but not the obligation, in its sole discretion to substitute the Variable
Price for the Conversion Price upon conversion of this Note by designating in the Conversion Notice delivered upon any conversion of
this Note that solely for purposes of such conversion the Holder is relying on the Variable Price rather than the Conversion Price then
in effect. The Holder’s election to rely on a Variable Price for a particular conversion of this Note shall not obligate the Holder
to rely on a Variable Price for any future conversion of this Note.

 

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(d)
Stock Combination Event Adjustments. If at any time and from time to time on or after the Subscription Date there occurs any stock
split, stock dividend, stock combination recapitalization or other similar transaction involving the Common Stock (each, a “Stock
Combination Event”, and such date thereof, the “Stock Combination Event Date”) and the Event Market Price
is less than the Conversion Price then in effect (after giving effect to the adjustment in Section 7(b) above), then on the sixteenth
(16th) Trading Day immediately following such Stock Combination Event Date, the Conversion Price then in effect on such sixteenth (16th)
Trading Day (after giving effect to the adjustment in Section 7(b) above) shall be reduced (but in no event increased) to the Event Market
Price. For the avoidance of doubt, if the adjustment in the immediately preceding sentence would otherwise result in an increase in the
Conversion Price hereunder, no adjustment shall be made.

 

(e)
Other Events. In the event that the Company (or any Subsidiary) shall take any action to which the provisions hereof are not strictly
applicable, or, if applicable, would not operate to protect the Holder from dilution or if any event occurs of the type contemplated
by the provisions of this Section 7 but not expressly provided for by such provisions (including, without limitation, the granting of
stock appreciation rights, phantom stock rights or other rights with equity features), then the Company’s board of directors shall
in good faith determine and implement an appropriate adjustment in the Conversion Price so as to protect the rights of the Holder, provided
that no such adjustment pursuant to this Section 7(e) will increase the Conversion Price as otherwise determined pursuant to this Section
7, provided further that if the Holder does not accept such adjustments as appropriately protecting its interests hereunder against such
dilution, then the Company’s board of directors and the Holder shall agree, in good faith, upon an independent investment bank
of nationally recognized standing to make such appropriate adjustments, whose determination shall be final and binding absent manifest
error and whose fees and expenses shall be borne by the Company.

 

(f)
Calculations. All calculations under this Section 7 shall be made by rounding to the nearest cent or the nearest 1/100th
of a share, as applicable. The number of shares of Common Stock outstanding at any given time shall not include shares owned or held
by or for the account of the Company, and the disposition of any such shares shall be considered an issue or sale of Common Stock.

 

(g)
Voluntary Adjustment by Company. Subject to the rules and regulations of the Principal Market, the Company may at any time during
the term of this Note, with the prior written consent of the Required Holders (as defined in the Securities Purchase Agreement), reduce
the then current Conversion Price of each of the Notes to any amount and for any period of time deemed appropriate by the board of directors
of the Company.

 

(h)
Qualified Offering Adjustment. If as of the date of the initial public announcement of a Qualified Offering (or, if earlier, the
Qualified Offering Date, as applicable, such earlier date, the “Qualified Offering Adjustment Date”) the Conversion
Price then in effect is greater than 90% of the New Issuance Price in the Qualified Offering (as calculated in accordance with this Section
7) (the “Qualified Offering Measuring Price”), on the Qualified Offering Adjustment Date the Conversion Price then
in effect shall automatically lower to the Qualified Offering Measuring Price.

 

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8.
HOLDER OPTIONAL REDEMPTION. At any time from and after May 1, 2022, the Holder shall have the right, in its sole discretion, to
require that the Company redeem (each an “Holder Optional Redemption”) all, or any portion, of the Conversion Amount
under this Note by delivering written notice thereof (an “Holder Optional Redemption Notice”) to the Company. The
Holder Optional Redemption Notice shall indicate that all, or such applicable portion, as set forth in the applicable Holder Optional
Redemption Notice, of the Conversion Amount of this Note that the Holder is electing to have redeemed (the “Holder Optional
Redemption Amount”) and the date of such Holder Optional Redemption (the “Holder Optional Redemption Date”),
which shall be the fifth (5th) calendar day after the date of the applicable Holder Optional Redemption Notice (or such later date as
the Holder shall specify in such Holder Optional Redemption Notice). The portion of this Note subject to redemption pursuant to this
Section 8 shall be redeemed by the Company in cash at a price equal to 115% of the Holder Optional Redemption Amount (the “Holder
Optional Redemption Price”). Redemptions required by this Section 8 shall be made in accordance with the provisions of Section
12. Notwithstanding anything to the contrary in this Section 8, but subject to Section 3(d), until the Holder receives the Holder Optional
Redemption Price, the Holder Optional Redemption Amount may be converted, in whole or in part, by the Holder into Common Stock pursuant
to Section 3, and any such conversion shall reduce the Holder Optional Redemption Amount in the manner set forth by the Holder in the
applicable Conversion Notice.

 

9.
REDEMPTIONS AT THE COMPANY’S ELECTION.

 

(a)
Company Optional Redemption. At any time after July 25, 2022, if at any time (x) the Closing Sale Price of the Common Stock listed
on the Principal Market exceeds $0.0238 (as adjusted for stock splits, stock dividends, recapitalizations and similar events) (the “Company
Optional Redemption Minimum Price”) for thirty (30) consecutive Trading Days (each, a “Company Optional Redemption
Measuring Period”, and such condition, the “Company Optional Redemption Minimum Price Condition”), and (y)
no Equity Conditions Failure then exists, the Company shall have the right to redeem all, but not less than all without the prior written
consent of the Holder, of the Conversion Amount then remaining under this Note (the “Company Optional Redemption Amount”)
on the Company Optional Redemption Date (each as defined below) (a “Company Optional Redemption”). The portion of
this Note subject to redemption pursuant to this Section 9(a) shall be redeemed by the Company in cash at a price (the “Company
Optional Redemption Price”) equal to 115% of the Conversion Amount being redeemed as of the Company Optional Redemption Date.
The Company may exercise its right to require redemption under this Section 9(a) by delivering, by no later than the last Trading Day
in such Company Optional Redemption Measuring Period, a written notice thereof by electronic mail and overnight courier to all, but not
less than all, of the holders of Notes (the “Company Optional Redemption Notice” and the date all of the holders of
Notes received such notice is referred to as the “Company Optional Redemption Notice Date”). The Company may deliver
only one Company Optional Redemption Notice hereunder and such Company Optional Redemption Notice shall be irrevocable. The Company Optional
Redemption Notice shall (x) state the date on which the Company Optional Redemption shall occur (the “Company Optional Redemption
Date”) which date shall not be less than thirty (30) Trading Days nor more than one hundred (100) Trading Days following the
Company Optional Redemption Notice Date, (y) certify that the Company has satisfied the Company Optional Redemption Minimum Price Condition
and that there has been no Equity Conditions Failure and (z) state the aggregate Conversion Amount of the Notes which is being redeemed
in such Company Optional Redemption from the Holder and all of the other holders of the Notes pursuant to this Section 9(a) (and analogous
provisions under the Other Notes) on the Company Optional Redemption Date. Notwithstanding anything herein to the contrary, (i) if an
Equity Conditions Failure has occurred at any time prior the Company Optional Redemption Date, (A) the Company shall provide the Holder
a subsequent notice to that effect and (B) unless the Holder waives the applicable Equity Conditions Failure, the Company Optional Redemption
shall be cancelled and the applicable Company Optional Redemption Notice shall be null and void and (ii) at any time prior to the date
the Company Optional Redemption Price is paid, in full, the Company Optional Redemption Amount may be converted, in whole or in part,
by the Holder into shares of Common Stock pursuant to Section 3. All Conversion Amounts converted by the Holder after the Company Optional
Redemption Notice Date shall reduce the Company Optional Redemption Amount of this Note required to be redeemed on the Company Optional
Redemption Date. Redemptions made pursuant to this Section 9(a) shall be made in accordance with Section 12. In the event of the Company’s
redemption of any portion of this Note under this Section 9, the Holder’s damages would be uncertain and difficult to estimate
because of the parties’ inability to predict future interest rates and the uncertainty of the availability of a suitable substitute
investment opportunity for the Holder. Accordingly, any redemption premium due under this Section 9 is intended by the parties to be,
and shall be deemed, a reasonable estimate of the Holder’s actual loss of its investment opportunity and not as a penalty. For
the avoidance of doubt, the Company shall have no right to effect a Company Optional Redemption if any Event of Default has occurred
and continuing, but any Event of Default shall have no effect upon the Holder’s right to convert this Note in its discretion.

 

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(b)
Pro Rata Redemption Requirement. If the Company elects to cause a Company Optional Redemption of this Note pursuant to Section
9(a), then it must simultaneously take the same action with respect to all of the Other Notes.

 

10.
NONCIRCUMVENTION. The Company hereby covenants and agrees that the Company will not, by amendment of its Certificate of Incorporation
(as defined in the Securities Purchase Agreement), Bylaws (as defined in the Securities Purchase Agreement) or through any reorganization,
transfer of assets, consolidation, merger, scheme of arrangement, dissolution, issue or sale of securities, or any other voluntary action,
avoid or seek to avoid the observance or performance of any of the terms of this Note, and will at all times in good faith carry out
all of the provisions of this Note and take all action as may be required to protect the rights of the Holder of this Note. Without limiting
the generality of the foregoing or any other provision of this Note or the other Transaction Documents, the Company (a) shall not
increase the par value of any shares of Common Stock receivable upon conversion of this Note above the Conversion Price then in effect,
and (b) shall take all such actions as may be necessary or appropriate in order that the Company may validly and legally issue fully
paid and nonassessable shares of Common Stock upon the conversion of this Note. Notwithstanding anything herein to the contrary, if after
the sixty (60) calendar day anniversary of the Issuance Date, the Holder is not permitted to convert this Note in full for any reason
(other than pursuant to restrictions set forth in Section 3(d) hereof), the Company shall use its best efforts to promptly remedy such
failure, including, without limitation, obtaining such consents or approvals as necessary to permit such conversion into shares of Common
Stock.

 

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11.
RESERVATION OF AUTHORIZED SHARES.

 

(a)
Reservation. So long as any Notes remain outstanding, the Company shall at all times reserve after the Reverse Split or an increase
in the authorized capital stock of the Company, 200% of the number of shares of Common Stock as shall from time to time be necessary
to effect the conversion, including without limitation, Alternate Conversions, of all of the Notes then outstanding (without regard to
any limitations on conversions and assuming such Notes remain outstanding until the Maturity Date) at the Alternate Conversion Price
then in effect (the “Required Reserve Amount”). The Required Reserve Amount (including, without limitation, each increase
in the number of shares so reserved) shall be allocated pro rata among the holders of the Notes based on the original principal amount
of the Notes held by each holder on the Closing Date or increase in the number of reserved shares, as the case may be (the “Authorized
Share Allocation”). In the event that a holder shall sell or otherwise transfer any of such holder’s Notes, each transferee
shall be allocated a pro rata portion of such holder’s Authorized Share Allocation. Any shares of Common Stock reserved and allocated
to any Person which ceases to hold any Notes shall be allocated to the remaining holders of Notes, pro rata based on the principal amount
of the Notes then held by such holders.

 

(b)
Insufficient Authorized Shares. If, notwithstanding Section 11(a), and not in limitation thereof, at any time while any of the
Notes remain outstanding the Company does not have a sufficient number of authorized and unreserved shares of Common Stock to satisfy
its obligation to reserve for issuance upon conversion of the Notes at least a number of shares of Common Stock equal to the Required
Reserve Amount (an “Authorized Share Failure”), then the Company shall immediately take all action necessary to increase
the Company’s authorized shares of Common Stock to an amount sufficient to allow the Company to reserve the Required Reserve Amount
for the Notes then outstanding. Without limiting the generality of the foregoing sentence, as soon as practicable after the date of the
occurrence of an Authorized Share Failure, but in no event later than sixty (60) days after the occurrence of such Authorized Share Failure,
the Company shall hold a meeting of its stockholders for the approval of an increase in the number of authorized shares of Common Stock.
In connection with such meeting, the Company shall provide each stockholder with a proxy statement and shall use its best efforts to
solicit its stockholders’ approval of such increase in authorized shares of Common Stock and to cause its board of directors to
recommend to the stockholders that they approve such proposal. In the event that the Company is prohibited from issuing shares of Common
Stock pursuant to the terms of this Note due to the failure by the Company to have sufficient shares of Common Stock available out of
the authorized but unissued shares of Common Stock (such unavailable number of shares of Common Stock, the “Authorized Failure
Shares”), in lieu of delivering such Authorized Failure Shares to the Holder, the Company shall pay cash in exchange for the
redemption of such portion of the Conversion Amount convertible into such Authorized Failure Shares at a price equal to the sum of (i)
the product of (x) such number of Authorized Failure Shares and (y) the greatest Closing Sale Price of the Common Stock on any Trading
Day during the period commencing on the date the Holder delivers the applicable Conversion Notice with respect to such Authorized Failure
Shares to the Company and ending on the date of such issuance and payment under this Section 11(b); and (ii) to the extent the Holder
purchases (in an open market transaction or otherwise) shares of Common Stock to deliver in satisfaction of a sale by the Holder of Authorized
Failure Shares, any brokerage commissions and other out-of-pocket expenses, if any, of the Holder incurred in connection therewith. Nothing
contained in Section 11(a) or this Section 11(b) shall limit any obligations of the Company under any provision of the Securities Purchase
Agreement.

 

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12.
REDEMPTIONS.

 

(a)
Mechanics. The Company shall deliver the applicable Event of Default Redemption Price to the Holder in cash within three (3) Business
Days after the Company’s receipt of the Holder’s Event of Default Redemption Notice. If the Holder has submitted a Change
of Control Redemption Notice in accordance with Section 5(b), the Company shall deliver the applicable Change of Control Redemption Price
to the Holder in cash concurrently with the consummation of such Change of Control if such notice is received prior to the consummation
of such Change of Control and within three (3) Business Days after the Company’s receipt of such notice otherwise. The Company
shall deliver the applicable Holder Optional Redemption Price to the Holder in cash on the applicable Holder Optional Redemption Date.
The Company shall deliver the applicable Company Optional Redemption Price to the Holder in cash on the applicable Company Optional Redemption
Date. Notwithstanding anything herein to the contrary, in connection with any redemption hereunder at a time the Holder is entitled to
receive a cash payment under any of the other Transaction Documents, at the option of the Holder delivered in writing to the Company,
the applicable Redemption Price hereunder shall be increased by the amount of such cash payment owed to the Holder under such other Transaction
Document and, upon payment in full or conversion in accordance herewith, shall satisfy the Company’s payment obligation under such
other Transaction Document. In the event of a redemption of less than all of the Conversion Amount of this Note, if requested by the
Holder, the Company shall promptly cause to be issued and delivered to the Holder a new Note (in accordance with Section 19(d)) representing
the outstanding Principal which has not been redeemed. In the event that the Company does not pay the applicable Redemption Price to
the Holder within the time period required, at any time thereafter and until the Company pays such unpaid Redemption Price in full, the
Holder shall have the option, in lieu of redemption, to require the Company to promptly return to the Holder all or any portion of this
Note representing the Conversion Amount that was submitted for redemption and for which the applicable Redemption Price (together with
any Late Charges thereon) has not been paid. Upon the Company’s receipt of such notice, (x) the applicable Redemption Notice shall
be null and void with respect to such Conversion Amount, (y) the Company shall immediately return this Note, or issue a new Note (in
accordance with Section 19(d)), to the Holder, and in each case the principal amount of this Note or such new Note (as the case
may be) shall be increased by an amount equal to the difference between (1) the applicable Redemption Price (as the case may be, and
as adjusted pursuant to this Section 12, if applicable) minus (2) the Principal portion of the Conversion Amount submitted for redemption
and (z) the Conversion Price of this Note or such new Notes (as the case may be) shall be automatically adjusted with respect to each
conversion effected thereafter by the Holder to the lowest of (A) the Conversion Price as in effect on the date on which the applicable
Redemption Notice is voided, (B) 75% of the lowest Closing Bid Price of the Common Stock during the period beginning on and including
the date on which the applicable Redemption Notice is delivered to the Company and ending on and including the date on which the applicable
Redemption Notice is voided and (C) 75% of the quotient of (I) the sum of the three (3) lowest VWAPs of the Common Stock during the twenty
(20) consecutive Trading Day period ending and including the applicable Conversion Date divided by (II) three (3) (it being understood
and agreed that all such determinations shall be appropriately adjusted for any stock dividend, stock split, stock combination or other
similar transaction during such period). The Holder’s delivery of a notice voiding a Redemption Notice and exercise of its rights
following such notice shall not affect the Company’s obligations to make any payments of Late Charges which have accrued prior
to the date of such notice with respect to the Conversion Amount subject to such notice.

 

(b)
Redemption by Other Holders. Upon the Company’s receipt of notice from any of the holders of the Other Notes for redemption
or repayment as a result of an event or occurrence substantially similar to the events or occurrences described in Section 4(b) or Section
5(b) (each, an “Other Redemption Notice”), the Company shall immediately, but no later than one (1) Business Day of
its receipt thereof, forward to the Holder by electronic mail a copy of such notice. If the Company receives a Redemption Notice and
one or more Other Redemption Notices, during the seven (7) Business Day period beginning on and including the date which is two (2) Business
Days prior to the Company’s receipt of the Holder’s applicable Redemption Notice and ending on and including the date which
is two (2) Business Days after the Company’s receipt of the Holder’s applicable Redemption Notice and the Company is unable
to redeem all principal, interest and other amounts designated in such Redemption Notice and such Other Redemption Notices received during
such seven (7) Business Day period, then the Company shall redeem a pro rata amount from each holder of the Notes (including the Holder)
based on the principal amount of the Notes submitted for redemption pursuant to such Redemption Notice and such Other Redemption Notices
received by the Company during such seven (7) Business Day period.

 

13.
VOTING RIGHTS. The Holder shall have no voting rights as the holder of this Note, except as required by law (including, without
limitation, the Delaware General Corporation Law) and as expressly provided in this Note.

 

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14.
COVENANTS. Until all of the Notes have been converted, redeemed or otherwise satisfied in accordance with their terms:

 

(a)
Rank. All payments due under this Note (a) shall rank pari passu with all Other Notes and (b) shall be senior to all other
Indebtedness of the Company and its Subsidiaries.

 

(b)
Incurrence of Indebtedness. The Company shall not, and the Company shall cause each of its Subsidiaries to not, directly or indirectly,
incur or guarantee, assume or suffer to exist any Indebtedness (other than (i) the Indebtedness evidenced by this Note and the Other
Notes and (ii) other Permitted Indebtedness).

 

(c)
Existence of Liens. The Company shall not, and the Company shall cause each of its Subsidiaries to not, directly or indirectly,
allow or suffer to exist any mortgage, lien, pledge, charge, security interest or other encumbrance upon or in any property or assets
(including accounts and contract rights) owned by the Company or any of its Subsidiaries (collectively, “Liens”) other
than Permitted Liens.

 

(d)
Restricted Payments and Investments. The Company shall not, and the Company shall cause each of its Subsidiaries to not, directly
or indirectly, redeem, defease, repurchase, repay or make any payments in respect of, by the payment of cash or cash equivalents (in
whole or in part, whether by way of open market purchases, tender offers, private transactions or otherwise), all or any portion of any
Indebtedness (other than the Notes) whether by way of payment in respect of principal of (or premium, if any) or interest on, such Indebtedness
or make any Investment, as applicable, if at the time such payment with respect to such Indebtedness and/or Investment, as applicable,
is due or is otherwise made or, after giving effect to such payment, (i) an event constituting an Event of Default has occurred and is
continuing or (ii) an event that with the passage of time and without being cured would constitute an Event of Default has occurred and
is continuing.

 

(e)
Restriction on Redemption and Cash Dividends. The Company shall not, and the Company shall cause each of its Subsidiaries to not,
directly or indirectly, redeem, repurchase or declare or pay any cash dividend or distribution on any of its capital stock.

 

(f)
Restriction on Transfer of Assets. The Company shall not, and the Company shall cause each of its Subsidiaries to not, directly
or indirectly, sell, lease, license, assign, transfer, spin-off, split-off, close, convey or otherwise dispose of any assets or rights
of the Company or any Subsidiary owned or hereafter acquired whether in a single transaction or a series of related transactions, other
than (i) sales, leases, licenses, assignments, transfers, conveyances and other dispositions of such assets or rights by the Company
and its Subsidiaries in the ordinary course of business consistent with its past practice and (ii) sales of inventory and product in
the ordinary course of business.

 

(g)
Maturity of Indebtedness. The Company shall not, and the Company shall cause each of its Subsidiaries to not, directly or indirectly,
permit any Indebtedness of the Company or any of its Subsidiaries to mature or accelerate prior to the Maturity Date.

 

(h)
Change in Nature of Business. The Company shall not, and the Company shall cause each of its Subsidiaries to not, directly or
indirectly, engage in any material line of business substantially different from those lines of business conducted by or publicly contemplated
to be conducted by the Company and each of its Subsidiaries on the Subscription Date or any business substantially related or incidental
thereto. The Company shall not, and the Company shall cause each of its Subsidiaries to not, directly or indirectly, modify its or their
corporate structure or purpose.

 

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(i)
Preservation of Existence, Etc. The Company shall maintain and preserve, and cause each of its Subsidiaries to maintain and preserve,
its existence, rights and privileges, and become or remain, and cause each of its Subsidiaries to become or remain, duly qualified and
in good standing in each jurisdiction in which the character of the properties owned or leased by it or in which the transaction of its
business makes such qualification necessary.

 

(j)
Maintenance of Properties, Etc. The Company shall maintain and preserve, and cause each of its Subsidiaries to maintain and preserve,
all of its properties which are necessary or useful in the proper conduct of its business in good working order and condition, ordinary
wear and tear excepted, and comply, and cause each of its Subsidiaries to comply, at all times with the provisions of all leases to which
it is a party as lessee or under which it occupies property, so as to prevent any loss or forfeiture thereof or thereunder.

 

(k)
Maintenance of Intellectual Property. The Company will, and will cause each of its Subsidiaries to, take all action necessary
or advisable to maintain all of the Intellectual Property Rights (as defined in the Securities Purchase Agreement) of the Company and/or
any of its Subsidiaries that are necessary or material to the conduct of its business in full force and effect.

 

(l)
Maintenance of Insurance. The Company shall maintain, and cause each of its Subsidiaries to maintain, insurance with responsible
and reputable insurance companies or associations (including, without limitation, comprehensive general liability, hazard, rent and business
interruption insurance) with respect to its properties (including all real properties leased or owned by it) and business, in such amounts
and covering such risks as is required by any governmental authority having jurisdiction with respect thereto or as is carried generally
in accordance with sound business practice by companies in similar businesses similarly situated.

 

(m)
Transactions with Affiliates. The Company shall not, nor shall it permit any of its Subsidiaries to, enter into, renew, extend
or be a party to, any transaction or series of related transactions (including, without limitation, the purchase, sale, lease, transfer
or exchange of property or assets of any kind or the rendering of services of any kind) with any affiliate, except transactions in the
ordinary course of business in a manner and to an extent consistent with past practice and necessary or desirable for the prudent operation
of its business, for fair consideration and on terms no less favorable to it or its Subsidiaries than would be obtainable in a comparable
arm’s length transaction with a Person that is not an affiliate thereof.

 

(n)
Restricted Issuances. The Company shall not, directly or indirectly, without the prior written consent of the Required Holders,
(i) issue any Notes (other than as contemplated by the Securities Purchase Agreement and the Notes) or (ii) issue any other securities
that would cause a breach or default under the Notes or the Warrants.

 

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(o)
New Subsidiaries. Simultaneously with the acquisition or formation of each New Subsidiary, the Company shall cause such New Subsidiary
to execute, and deliver to each holder of Notes, all Security Documents (as defined in the Securities Purchase Agreement) and Guaranties
(as defined in the Securities Purchase Agreement) as requested by the Collateral Agent or the Required Holders, as applicable. The Company
shall also deliver to the Collateral Agent an opinion of counsel to such New Subsidiary that is reasonably satisfactory to the Collateral
Agent and the Required Holders covering such legal matters with respect to such New Subsidiary becoming a guarantor of the Company’s
obligations, executing and delivering the Security Document and the Guaranties and any other matters that the Collateral Agent or the
Required Holders may reasonably request. The Company shall deliver, or cause the applicable Subsidiary to deliver to the Collateral Agent,
each of the physical stock certificates of such New Subsidiary, along with undated stock powers for each such certificates, executed
in blank (or, if any such shares of capital stock are uncertificated, confirmation and evidence reasonably satisfactory to the Collateral
Agent and the Required Holders that the security interest in such uncertificated securities has been transferred to and perfected by
the Collateral Agent, in accordance with Sections 8-313, 8-321 and 9-115 of the Uniform Commercial Code or any other similar or local
or foreign law that may be applicable).

 

(p)
Change in Collateral; Collateral Records. The Company shall (i) give the Collateral Agent not less than thirty (30) days’
prior written notice of any change in the location of any Collateral (as defined in the Security Documents), other than to locations
set forth in the Perfection Certificate (as defined in the Securities Purchase Agreement) hereto and with respect to which the Collateral
Agent has filed financing statements and otherwise fully perfected its Liens thereon, (ii) advise the Collateral Agent promptly,
in sufficient detail, of any material adverse change relating to the type, quantity or quality of the Collateral or the Lien granted
thereon and (iii) execute and deliver, and cause each of its Subsidiaries to execute and deliver, to the Collateral Agent for the
benefit of the Holder and holders of the Other Notes from time to time, solely for the Collateral Agent’s convenience in maintaining
a record of Collateral, such written statements and schedules as the Collateral Agent or the Required Holders may reasonably require,
designating, identifying or describing the Collateral.

 

(q)
Qualified Offering. On or prior to March 25, 2022, (i) the Company shall have consummated an offering of equity securities of
the Company with net proceeds to the Company of at least $15 million (the “Qualified Offering”, and the date thereof,
the “Qualified Offering Date”) and (ii) prior to the time of consummate of such Qualified Offering, the Common Stock
of the Company shall be listed on an Eligible Major Market.

 

(r)
Stay, Extension and Usury Laws. To the extent that it may lawfully do so, the Company (A) agrees that it will not at any time
insist upon, plead, or in any manner whatsoever claim or take the benefit or advantage of, any stay, extension or usury law (wherever
or whenever enacted or in force) that may affect the covenants or the performance of this Note; and (B) expressly waives all benefits
or advantages of any such law and agrees that it will not, by resort to any such law, hinder, delay or impede the execution of any power
granted to the Holder by this Note, but will suffer and permit the execution of every such power as though no such law has been enacted.

 

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(s)
Taxes. The Company and its Subsidiaries shall pay when due all taxes, fees or other charges of any nature whatsoever (together
with any related interest or penalties) now or hereafter imposed or assessed against the Company and its Subsidiaries or their respective
assets or upon their ownership, possession, use, operation or disposition thereof or upon their rents, receipts or earnings arising therefrom
(except where the failure to pay would not, individually or in the aggregate, have a material effect on the Company or any of its Subsidiaries). The Company and its Subsidiaries shall file on or before the due date therefor all personal property tax returns (except where the
failure to file would not, individually or in the aggregate, have a material effect on the Company or any of its Subsidiaries ). Notwithstanding
the foregoing, the Company and its Subsidiaries may contest, in good faith and by appropriate proceedings, taxes for which they maintain
adequate reserves therefor in accordance with GAAP.

 

(t)
Independent Investigation. At the request of the Required Holders either (x) at any time when an Event of Default has occurred
and is continuing, (y) upon the occurrence of an event that with the passage of time or giving of notice would constitute an Event of
Default or (z) at any time the Required Holders reasonably believe an Event of Default may have occurred or be continuing, the Company
shall hire an independent, reputable investment bank selected by the Company and approved by the Required Holders to investigate as to
whether any breach of this Note has occurred (the “Independent Investigator”). If the Independent Investigator determines
that such breach of this Note has occurred, the Independent Investigator shall notify the Company of such breach and the Company shall
deliver written notice to each holder of a Note of such breach. In connection with such investigation, the Independent Investigator may,
during normal business hours, inspect all contracts, books, records, personnel, offices and other facilities and properties of the Company
and its Subsidiaries and, to the extent available to the Company after the Company uses reasonable efforts to obtain them, the records
of its legal advisors and accountants (including the accountants’ work papers) and any books of account, records, reports and other
papers not contractually required of the Company to be confidential or secret, or subject to attorney-client or other evidentiary privilege,
and the Independent Investigator may make such copies and inspections thereof as the Independent Investigator may reasonably request.
The Company shall furnish the Independent Investigator with such financial and operating data and other information with respect to the
business and properties of the Company as the Independent Investigator may reasonably request. The Company shall permit the Independent
Investigator to discuss the affairs, finances and accounts of the Company with, and to make proposals and furnish advice with respect
thereto to, the Company’s officers, directors, key employees and independent public accountants or any of them (and by this provision
the Company authorizes said accountants to discuss with such Independent Investigator the finances and affairs of the Company and any
Subsidiaries), all at such reasonable times, upon reasonable notice, and as often as may be reasonably requested.

 

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15.
SECURITY. This Note and the Other Notes are secured to the extent and in the manner set forth in the Transaction Documents (including,
without limitation, the Security Agreement, the other Security Documents and the Guaranties).

 

16.
DISTRIBUTION OF ASSETS. In addition to any adjustments pursuant to Section 7, if the Company shall declare or make any dividend
or other distributions of its assets (or rights to acquire its assets) to any or all holders of shares of Common Stock, by way of return
of capital or otherwise (including without limitation, any distribution of cash, stock or other securities, property or options by way
of a dividend, spin off, reclassification, corporate rearrangement, scheme of arrangement or other similar transaction) (the “Distributions”),
then the Holder will be entitled to such Distributions as if the Holder had held the number of shares of Common Stock acquirable upon
complete conversion of this Note (without taking into account any limitations or restrictions on the convertibility of this Note and
assuming for such purpose that the Note was converted at the Alternate Conversion Price as of the applicable record date) immediately
prior to the date on which a record is taken for such Distribution or, if no such record is taken, the date as of which the record holders
of Common Stock are to be determined for such Distributions (provided, however, that to the extent that the Holder’s right to participate
in any such Distribution would result in the Holder and the other Attribution Parties exceeding the Maximum Percentage, then the Holder
shall not be entitled to participate in such Distribution to the extent of the Maximum Percentage (and shall not be entitled to beneficial
ownership of such shares of Common Stock as a result of such Distribution (and beneficial ownership) to the extent of any such excess)
and the portion of such Distribution shall be held in abeyance for the benefit of the Holder until such time or times, if ever, as its
right thereto would not result in the Holder and the other Attribution Parties exceeding the Maximum Percentage, at which time or times
the Holder shall be granted such Distribution (and any Distributions declared or made on such initial Distribution or on any subsequent
Distribution held similarly in abeyance) to the same extent as if there had been no such limitation).

 

17.
AMENDING THE TERMS OF THIS NOTE. Except for Section 3(d), which may not be amended, modified or waived by the parties hereto,
the prior written consent of the Required Holders shall be required for any change, waiver or amendment to this Note, all of which changes,
waivers or amendments shall be binding upon the Holder.

 

18.
TRANSFER. This Note and any shares of Common Stock issued upon conversion of this Note may be offered, sold, assigned or transferred
by the Holder without the consent of the Company, subject only to the provisions of Section 2(g) of the Securities Purchase Agreement.

 

19.
REISSUANCE OF THIS NOTE.

 

(a)
Transfer. If this Note is to be transferred, the Holder shall surrender this Note to the Company, whereupon the Company will forthwith
issue and deliver upon the order of the Holder a new Note (in accordance with Section 19(d)), registered as the Holder may request, representing
the outstanding Principal being transferred by the Holder and, if less than the entire outstanding Principal is being transferred, a
new Note (in accordance with Section 19(d)) to the Holder representing the outstanding Principal not being transferred. The Holder and
any assignee, by acceptance of this Note, acknowledge and agree that, by reason of the provisions of Section 3(c)(iii) following conversion
or redemption of any portion of this Note, the outstanding Principal represented by this Note may be less than the Principal stated on
the face of this Note.

 

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(b)
Lost, Stolen or Mutilated Note. Upon receipt by the Company of evidence reasonably satisfactory to the Company of the loss, theft,
destruction or mutilation of this Note (as to which a written certification and the indemnification contemplated below shall suffice
as such evidence), and, in the case of loss, theft or destruction, of any indemnification undertaking by the Holder to the Company in
customary and reasonable form and, in the case of mutilation, upon surrender and cancellation of this Note, the Company shall execute
and deliver to the Holder a new Note (in accordance with Section 19(d)) representing the outstanding Principal.

 

(c)
Note Exchangeable for Different Denominations. This Note is exchangeable, upon the surrender hereof by the Holder at the principal
office of the Company, for a new Note or Notes (in accordance with Section 19(d) and in principal amounts of at least $1,000) representing
in the aggregate the outstanding Principal of this Note, and each such new Note will represent such portion of such outstanding Principal
as is designated by the Holder at the time of such surrender.

 

(d)
Issuance of New Notes. Whenever the Company is required to issue a new Note pursuant to the terms of this Note, such new Note
(i) shall be of like tenor with this Note, (ii) shall represent, as indicated on the face of such new Note, the Principal remaining outstanding
(or in the case of a new Note being issued pursuant to Section 19(a) or Section 19(c), the Principal designated by the Holder which,
when added to the principal represented by the other new Notes issued in connection with such issuance, does not exceed the Principal
remaining outstanding under this Note immediately prior to such issuance of new Notes), (iii) shall have an issuance date, as indicated
on the face of such new Note, which is the same as the Issuance Date of this Note, (iv) shall have the same rights and conditions as
this Note, and (v) shall represent accrued and unpaid Interest and Late Charges on the Principal and Interest of this Note, if any.

 

20.
REMEDIES, CHARACTERIZATIONS, OTHER OBLIGATIONS, BREACHES AND INJUNCTIVE RELIEF. The remedies provided in this Note shall be cumulative
and in addition to all other remedies available under this Note and any of the other Transaction Documents at law or in equity (including
a decree of specific performance and/or other injunctive relief), and nothing herein shall limit the Holder’s right to pursue actual
and consequential damages for any failure by the Company to comply with the terms of this Note. No failure on the part of the Holder
to exercise, and no delay in exercising, any right, power or remedy hereunder shall operate as a waiver thereof; nor shall any single
or partial exercise by the Holder of any right, power or remedy preclude any other or further exercise thereof or the exercise of any
other right, power or remedy. In addition, the exercise of any right or remedy of the Holder at law or equity or under this Note or any
of the documents shall not be deemed to be an election of Holder’s rights or remedies under such documents or at law or equity.
The Company covenants to the Holder that there shall be no characterization concerning this instrument other than as expressly provided
herein. Amounts set forth or provided for herein with respect to payments, conversion and the like (and the computation thereof) shall
be the amounts to be received by the Holder and shall not, except as expressly provided herein, be subject to any other obligation of
the Company (or the performance thereof). The Company acknowledges that a breach by it of its obligations hereunder will cause irreparable
harm to the Holder and that the remedy at law for any such breach may be inadequate. The Company therefore agrees that, in the event
of any such breach or threatened breach, the Holder shall be entitled, in addition to all other available remedies, to specific performance
and/or temporary, preliminary and permanent injunctive or other equitable relief from any court of competent jurisdiction in any such
case without the necessity of proving actual damages and without posting a bond or other security. The Company shall provide all information
and documentation to the Holder that is requested by the Holder to enable the Holder to confirm the Company’s compliance with the
terms and conditions of this Note (including, without limitation, compliance with Section 7).

 

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21.
PAYMENT OF COLLECTION, ENFORCEMENT AND OTHER COSTS. If (a) this Note is placed in the hands of an attorney for collection or enforcement
or is collected or enforced through any legal proceeding or the Holder otherwise takes action to collect amounts due under this Note
or to enforce the provisions of this Note or (b) there occurs any bankruptcy, reorganization, receivership of the Company or other proceedings
affecting Company creditors’ rights and involving a claim under this Note, then the Company shall pay the costs incurred by the
Holder for such collection, enforcement or action or in connection with such bankruptcy, reorganization, receivership or other proceeding,
including, without limitation, attorneys’ fees and disbursements. The Company expressly acknowledges and agrees that no amounts
due under this Note shall be affected, or limited, by the fact that the purchase price paid for this Note was less than the original
Principal amount hereof.

 

22.
CONSTRUCTION; HEADINGS. This Note shall be deemed to be jointly drafted by the Company and the initial Holder and shall not be
construed against any such Person as the drafter hereof. The headings of this Note are for convenience of reference and shall not form
part of, or affect the interpretation of, this Note. Unless the context clearly indicates otherwise, each pronoun herein shall be deemed
to include the masculine, feminine, neuter, singular and plural forms thereof. The terms “including,” “includes,”
“include” and words of like import shall be construed broadly as if followed by the words “without limitation.”
The terms “herein,” “hereunder,” “hereof” and words of like import refer to this entire Note instead
of just the provision in which they are found. Unless expressly indicated otherwise, all section references are to sections of this Note.
Terms used in this Note and not otherwise defined herein, but defined in the other Transaction Documents, shall have the meanings ascribed
to such terms on the Closing Date in such other Transaction Documents unless otherwise consented to in writing by the Required Holders.

 

23.
FAILURE OR INDULGENCE NOT WAIVER. No failure or delay on the part of the Holder in the exercise of any power, right or privilege
hereunder shall operate as a waiver thereof, nor shall any single or partial exercise of any such power, right or privilege preclude
other or further exercise thereof or of any other right, power or privilege. No waiver shall be effective unless it is in writing and
signed by an authorized representative of the waiving party. Notwithstanding the foregoing, nothing contained in this Section 23 shall
permit any waiver of any provision of Section 3(d).

 

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24.
DISPUTE RESOLUTION.

 

(a)
Submission to Dispute Resolution.

 

(i)
In the case of a dispute relating to a Closing Bid Price, a Closing Sale Price, a Conversion Price, an Alternate Conversion Price, a
Black Scholes Consideration Value, a VWAP or a fair market value or the arithmetic calculation of a Conversion Rate, or the applicable
Redemption Price (as the case may be) (including, without limitation, a dispute relating to the determination of any of the foregoing),
the Company or the Required Holders (as the case may be) shall submit the dispute to the other party via electronic mail (A) if by the
Company, within two (2) Business Days after the occurrence of the circumstances giving rise to such dispute or (B) if by the Required
Holders at any time after the Required Holders learned of the circumstances giving rise to such dispute. If the Required Holders and
the Company are unable to promptly resolve such dispute relating to such Closing Bid Price, such Closing Sale Price, such Conversion
Price, such Alternate Conversion Price, such Black Scholes Consideration Value, such VWAP or such fair market value, or the arithmetic
calculation of such Conversion Rate or such applicable Redemption Price (as the case may be), at any time after the second (2nd) Business
Day following such initial notice by the Company or the Required Holders (as the case may be) of such dispute to the Company or the Required
Holders (as the case may be), then the Required Holders may, at their sole option, select an independent, reputable investment bank to
resolve such dispute.

 

(ii)
The Required Holders and the Company shall each deliver to such investment bank (A) a copy of the initial dispute submission so delivered
in accordance with the first sentence of this Section 24 and (B) written documentation supporting its position with respect to such dispute,
in each case, no later than 5:00 p.m. (New York time) by the fifth (5th) Business Day immediately following the date on which the Required
Holders selected such investment bank (the “Dispute Submission Deadline”) (the documents referred to in the immediately
preceding clauses (A) and (B) are collectively referred to herein as the “Required Dispute Documentation”) (it being
understood and agreed that if either the Required Holders or the Company fails to so deliver all of the Required Dispute Documentation
by the Dispute Submission Deadline, then the party who fails to so submit all of the Required Dispute Documentation shall no longer be
entitled to (and hereby waives its right to) deliver or submit any written documentation or other support to such investment bank with
respect to such dispute and such investment bank shall resolve such dispute based solely on the Required Dispute Documentation that was
delivered to such investment bank prior to the Dispute Submission Deadline). Unless otherwise agreed to in writing by both the Company
and the Required Holders or otherwise requested by such investment bank, neither the Company nor the Required Holders shall be entitled
to deliver or submit any written documentation or other support to such investment bank in connection with such dispute (other than the
Required Dispute Documentation).

 

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(iii)
The Company and the Required Holders shall cause such investment bank to determine the resolution of such dispute and notify the Company
and the Required Holders of such resolution no later than ten (10) Business Days immediately following the Dispute Submission Deadline.
The fees and expenses of such investment bank shall be borne solely by the Company, and such investment bank’s resolution of such
dispute shall be final and binding upon all parties absent manifest error.

 

(b)
Miscellaneous. The Company expressly acknowledges and agrees that (i) this Section 24 constitutes an agreement to arbitrate between
the Company and the Holder (and constitutes an arbitration agreement) under § 7501, et seq. of the New York Civil Practice Law and
Rules (“CPLR”) and that the Holder is authorized to apply for an order to compel arbitration pursuant to CPLR §
7503(a) in order to compel compliance with this Section 24, (ii) a dispute relating to a Conversion Price includes, without limitation,
disputes as to (A) whether an issuance or sale or deemed issuance or sale of Common Stock occurred under Section 7(a), (B) the consideration
per share at which an issuance or deemed issuance of Common Stock occurred, (C) whether any issuance or sale or deemed issuance or sale
of Common Stock was an issuance or sale or deemed issuance or sale of Excluded Securities, (D) whether an agreement, instrument, security
or the like constitutes and Option or Convertible Security and (E) whether a Dilutive Issuance occurred, (iii) the terms of this Note
and each other applicable Transaction Document shall serve as the basis for the selected investment bank’s resolution of the applicable
dispute, such investment bank shall be entitled (and is hereby expressly authorized) to make all findings, determinations and the like
that such investment bank determines are required to be made by such investment bank in connection with its resolution of such dispute
and in resolving such dispute such investment bank shall apply such findings, determinations and the like to the terms of this Note and
any other applicable Transaction Documents, (iv) the Holder (and only the Holder), in its sole discretion, shall have the right to submit
any dispute described in this Section 24 to any state or federal court sitting in The City of New York, Borough of Manhattan in lieu
of utilizing the procedures set forth in this Section 24 and (v) nothing in this Section 24 shall limit the Holder from obtaining any
injunctive relief or other equitable remedies (including, without limitation, with respect to any matters described in this Section 24).

 

25.
NOTICES; CURRENCY; PAYMENTS.

 

(a)
Notices. Whenever notice is required to be given under this Note, unless otherwise provided herein, such notice shall be given
in accordance with Section 9(f) of the Securities Purchase Agreement. The Company shall provide the Holder with prompt written notice
of all actions taken pursuant to this Note, including in reasonable detail a description of such action and the reason therefore. Without
limiting the generality of the foregoing, the Company will give written notice to the Holder (i) immediately upon any adjustment of the
Conversion Price, setting forth in reasonable detail, and certifying, the calculation of such adjustment and (ii) at least fifteen (15)
days prior to the date on which the Company closes its books or takes a record (A) with respect to any dividend or distribution upon
the Common Stock, (B) with respect to any grant, issuances, or sales of any Options, Convertible Securities or rights to purchase stock,
warrants, securities or other property to holders of shares of Common Stock or (C) for determining rights to vote with respect to any
Fundamental Transaction, dissolution or liquidation, provided in each case that such information shall be made known to the public prior
to or in conjunction with such notice being provided to the Holder.

 

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(b)
Currency. All dollar amounts referred to in this Note are in United States Dollars (“U.S. Dollars”), and all
amounts owing under this Note shall be paid in U.S. Dollars. All amounts denominated in other currencies (if any) shall be converted
into the U.S. Dollar equivalent amount in accordance with the Exchange Rate on the date of calculation. “Exchange Rate”
means, in relation to any amount of currency to be converted into U.S. Dollars pursuant to this Note, the U.S. Dollar exchange rate as
published in the Wall Street Journal on the relevant date of calculation (it being understood and agreed that where an amount is calculated
with reference to, or over, a period of time, the date of calculation shall be the final date of such period of time).

 

(c)
Payments. Whenever any payment of cash is to be made by the Company to any Person pursuant to this Note, unless otherwise expressly
set forth herein, such payment shall be made in lawful money of the United States of America by a certified check drawn on the account
of the Company and sent via overnight courier service to such Person at such address as previously provided to the Company in writing
(which address, in the case of each of the Buyers, shall initially be as set forth on the Schedule of Buyers attached to the Securities
Purchase Agreement), provided that the Holder may elect to receive a payment of cash via wire transfer of immediately available funds
by providing the Company with prior written notice setting out such request and the Holder’s wire transfer instructions. Whenever
any amount expressed to be due by the terms of this Note is due on any day which is not a Business Day, the same shall instead be due
on the next succeeding day which is a Business Day. Any amount of Principal or other amounts due under the Transaction Documents which
is not paid when due shall result in a late charge being incurred and payable by the Company in an amount equal to interest on such amount
at the rate of eighteen percent (18%) per annum from the date such amount was due until the same is paid in full (“Late Charge”).

 

26.
CANCELLATION. After all Principal, accrued Interest, Late Charges and other amounts at any time owed on this Note have been paid
in full, this Note shall automatically be deemed canceled, shall be surrendered to the Company for cancellation and shall not be reissued.

 

27.
WAIVER OF NOTICE. To the extent permitted by law, the Company hereby irrevocably waives demand, notice, presentment, protest and
all other demands and notices in connection with the delivery, acceptance, performance, default or enforcement of this Note and the Securities
Purchase Agreement.

 

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28.
GOVERNING LAW. This Note shall be construed and enforced in accordance with, and all questions concerning the construction, validity,
interpretation and performance of this Note shall be governed by, the internal laws of the State of New York, without giving effect to
any choice of law or conflict of law provision or rule (whether of the State of New York or any other jurisdictions) that would cause
the application of the laws of any jurisdictions other than the State of New York. Except as otherwise required by Section 24 above,
the Company hereby irrevocably submits to the exclusive jurisdiction of the state and federal courts sitting in The City of New York,
Borough of Manhattan, for the adjudication of any dispute hereunder or in connection herewith or with any transaction contemplated hereby
or discussed herein, and hereby irrevocably waives, and agrees not to assert in any suit, action or proceeding, any claim that it is
not personally subject to the jurisdiction of any such court, that such suit, action or proceeding is brought in an inconvenient forum
or that the venue of such suit, action or proceeding is improper. Nothing contained herein shall be deemed to limit in any way any right
to serve process in any manner permitted by law. Nothing contained herein shall be deemed to limit in any way any right to serve process
in any manner permitted by law. Nothing contained herein (i) shall be deemed or operate to preclude the Holder from bringing suit or
taking other legal action against the Company in any other jurisdiction to collect on the Company’s obligations to the Holder,
to realize on any collateral or any other security for such obligations, or to enforce a judgment or other court ruling in favor of the
Holder or (ii) shall limit, or shall be deemed or construed to limit, any provision of Section 24. THE COMPANY HEREBY IRREVOCABLY
WAIVES ANY RIGHT IT MAY HAVE TO, AND AGREES NOT TO REQUEST, A JURY TRIAL FOR THE ADJUDICATION OF ANY DISPUTE HEREUNDER OR IN CONNECTION
WITH OR ARISING OUT OF THIS NOTE OR ANY TRANSACTION CONTEMPLATED HEREBY.

 

29.
JUDGMENT CURRENCY.

 

(a)
If for the purpose of obtaining or enforcing judgment against the Company in any court in any jurisdiction it becomes necessary to convert
into any other currency (such other currency being hereinafter in this Section 29 referred to as the “Judgment Currency”)
an amount due in U.S. dollars under this Note, the conversion shall be made at the Exchange Rate prevailing on the Trading Day immediately
preceding:

 

(i)
the date actual payment of the amount due, in the case of any proceeding in the courts of New York or in the courts of any other jurisdiction
that will give effect to such conversion being made on such date: or

 

(ii)
the date on which the foreign court determines, in the case of any proceeding in the courts of any other jurisdiction (the date as of
which such conversion is made pursuant to this Section 29(a)(ii) being hereinafter referred to as the “Judgment Conversion Date”).

 

(b)
If in the case of any proceeding in the court of any jurisdiction referred to in Section 29(a)(ii) above, there is a change in the Exchange
Rate prevailing between the Judgment Conversion Date and the date of actual payment of the amount due, the applicable party shall pay
such adjusted amount as may be necessary to ensure that the amount paid in the Judgment Currency, when converted at the Exchange Rate
prevailing on the date of payment, will produce the amount of US dollars which could have been purchased with the amount of Judgment
Currency stipulated in the judgment or judicial order at the Exchange Rate prevailing on the Judgment Conversion Date.

 

(c)
Any amount due from the Company under this provision shall be due as a separate debt and shall not be affected by judgment being obtained
for any other amounts due under or in respect of this Note.

 

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30.
SEVERABILITY. If any provision of this Note is prohibited by law or otherwise determined to be invalid or unenforceable by a court
of competent jurisdiction, the provision that would otherwise be prohibited, invalid or unenforceable shall be deemed amended to apply
to the broadest extent that it would be valid and enforceable, and the invalidity or unenforceability of such provision shall not affect
the validity of the remaining provisions of this Note so long as this Note as so modified continues to express, without material change,
the original intentions of the parties as to the subject matter hereof and the prohibited nature, invalidity or unenforceability of the
provision(s) in question does not substantially impair the respective expectations or reciprocal obligations of the parties or the practical
realization of the benefits that would otherwise be conferred upon the parties. The parties will endeavor in good faith negotiations
to replace the prohibited, invalid or unenforceable provision(s) with a valid provision(s), the effect of which comes as close as possible
to that of the prohibited, invalid or unenforceable provision(s).

 

31.
MAXIMUM PAYMENTS. Without limiting Section 9(d) of the Securities Purchase Agreement, nothing contained herein shall be deemed
to establish or require the payment of a rate of interest or other charges in excess of the maximum permitted by applicable law. In the
event that the rate of interest required to be paid or other charges hereunder exceed the maximum permitted by such law, any payments
in excess of such maximum shall be credited against amounts owed by the Company to the Holder and thus refunded to the Company.

 

32.
CERTAIN DEFINITIONS. For purposes of this Note, the following terms shall have the following meanings:

 

(a)
“1933 Act” means the Securities Act of 1933, as amended, and the rules and regulations thereunder.

 

(b)
“1934 Act” means the Securities Exchange Act of 1934, as amended, and the rules and regulations thereunder.

 

(c)
“Adjustment Right” means any right granted with respect to any securities issued in connection with, or with respect
to, any issuance or sale (or deemed issuance or sale in accordance with Section 7) of shares of Common Stock (other than rights of the
type described in Section 6(a) hereof) that could result in a decrease in the net consideration received by the Company in connection
with, or with respect to, such securities (including, without limitation, any cash settlement rights, cash adjustment or other similar
rights).

 

(d)
“Affiliate” means, with respect to any Person, any other Person that directly or indirectly controls, is controlled
by, or is under common control with, such Person, it being understood for purposes of this definition that “control” of a
Person means the power directly or indirectly either to vote 10% or more of the stock having ordinary voting power for the election of
directors of such Person or direct or cause the direction of the management and policies of such Person whether by contract or otherwise.

 

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(e)
“Alternate Conversion Price” means, with respect to any Alternate Conversion that price which shall be the lowest
of (i) the applicable Conversion Price as in effect on the applicable Conversion Date of the applicable Alternate Conversion, (ii) 75%
of the VWAP of the Common Stock as of the Trading Day immediately preceding the delivery or deemed delivery of the applicable Conversion
Notice, (iii) 75% of the VWAP of the Common Stock as of the Trading Day of the delivery or deemed delivery of the applicable Conversion
Notice and (iv) 75% of the price computed as the quotient of (I) the sum of the VWAP of the Common Stock for each of the three (3) Trading
Days with the lowest VWAP of the Common Stock during the twenty (20) consecutive Trading Day period ending and including the Trading
Day immediately preceding the delivery or deemed delivery of the applicable Conversion Notice, divided by (II) three (3) (such period,
the “Alternate Conversion Measuring Period”). All such determinations to be appropriately adjusted for any stock dividend,
stock split, stock combination, reclassification or similar transaction that proportionately decreases or increases the Common Stock
during such Alternate Conversion Measuring Period.

 

(f)
“Approved Stock Plan” means any employee benefit plan which has been approved by both the board of directors of the
Company and the Company’s stockholders prior to or subsequent to the date hereof pursuant to which shares of Common Stock and standard
options to purchase Common Stock may be issued to any employee, officer or director for services provided to the Company in their capacity
as such.

 

(g)
“Attribution Parties” means, collectively, the following Persons and entities: (i) any investment vehicle, including,
any funds, feeder funds or managed accounts, currently, or from time to time after the Issuance Date, directly or indirectly managed
or advised by the Holder’s investment manager or any of its Affiliates or principals, (ii) any direct or indirect Affiliates of
the Holder or any of the foregoing, (iii) any Person acting or who could be deemed to be acting as a Group together with the Holder or
any of the foregoing and (iv) any other Persons whose beneficial ownership of the Company’s Common Stock would or could be aggregated
with the Holder’s and the other Attribution Parties for purposes of Section 13(d) of the 1934 Act. For clarity, the purpose of
the foregoing is to subject collectively the Holder and all other Attribution Parties to the Maximum Percentage.

 

(h)
“Black Scholes Consideration Value” means the value of the applicable Option, Convertible Security or Adjustment Right
(as the case may be) as of the date of issuance thereof calculated using the Black Scholes Option Pricing Model obtained from the “OV”
function on Bloomberg utilizing (i) an underlying price per share equal to the Closing Sale Price of the Common Stock on the Trading
Day immediately preceding the public announcement of the execution of definitive documents with respect to the issuance of such Option,
Convertible Security or Adjustment Right (as the case may be), (ii) a risk-free interest rate corresponding to the U.S. Treasury rate
for a period equal to the remaining term of such Option, Convertible Security or Adjustment Right (as the case may be) as of the date
of issuance of such Option, Convertible Security or Adjustment Right (as the case may be), (iii) a zero cost of borrow and (iv) an expected
volatility equal to the greater of 100% and the 100 day volatility obtained from the “HVT” function on Bloomberg (determined
utilizing a 365 day annualization factor) as of the Trading Day immediately following the date of issuance of such Option, Convertible
Security or Adjustment Right (as the case may be).

 

(i)
“Bloomberg” means Bloomberg, L.P.

 

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(j)
“Business Day” means any day other than Saturday, Sunday or other day on which commercial banks in The City of New
York are authorized or required by law to remain closed; provided, however, for clarification, commercial banks shall not
be deemed to be authorized or required by law to remain closed due to “stay at home”, “shelter-in-place”, “non-essential
employee” or any other similar orders or restrictions or the closure of any physical branch locations at the direction of any governmental
authority so long as the electronic funds transfer systems (including for wire transfers) of commercial banks in The City of New York
generally are open for use by customers on such day.

 

(k)
“Change of Control” means any Fundamental Transaction other than (i) any merger of the Company or any of its, direct
or indirect, wholly-owned Subsidiaries with or into any of the foregoing Persons, (ii) any reorganization, recapitalization or reclassification
of the shares of Common Stock in which holders of the Company’s voting power immediately prior to such reorganization, recapitalization
or reclassification continue after such reorganization, recapitalization or reclassification to hold publicly traded securities and,
directly or indirectly, are, in all material respects, the holders of the voting power of the surviving entity (or entities with the
authority or voting power to elect the members of the board of directors (or their equivalent if other than a corporation) of such
entity or entities) after such reorganization, recapitalization or reclassification, or (iii) pursuant to a migratory merger effected
solely for the purpose of changing the jurisdiction of incorporation of the Company or any of its Subsidiaries.

 

(l)
“Change of Control Redemption Premium” means 115%.

 

(m)
“Closing Bid Price” and “Closing Sale Price” means, for any security as of any date, the last closing
bid price and last closing trade price, respectively, for such security on the Principal Market, as reported by Bloomberg, or, if the
Principal Market begins to operate on an extended hours basis and does not designate the closing bid price or the closing trade price
(as the case may be) then the last bid price or last trade price, respectively, of such security prior to 4:00:00 p.m., New York time,
as reported by Bloomberg, or, if the Principal Market is not the principal securities exchange or trading market for such security, the
last closing bid price or last trade price, respectively, of such security on the principal securities exchange or trading market where
such security is listed or traded as reported by Bloomberg, or if the foregoing do not apply, the last closing bid price or last trade
price, respectively, of such security in the over-the-counter market on the electronic bulletin board for such security as reported by
Bloomberg, or, if no closing bid price or last trade price, respectively, is reported for such security by Bloomberg, the average of
the bid prices, or the ask prices, respectively, of any market makers for such security as reported in The Pink Open Market (or a similar
organization or agency succeeding to its functions of reporting prices). If the Closing Bid Price or the Closing Sale Price cannot be
calculated for a security on a particular date on any of the foregoing bases, the Closing Bid Price or the Closing Sale Price (as the
case may be) of such security on such date shall be the fair market value as mutually determined by the Company and the Required Holders.
If the Company and the Required Holders are unable to agree upon the fair market value of such security, then such dispute shall be resolved
in accordance with the procedures in Section 24. All such determinations shall be appropriately adjusted for any stock splits, stock
dividends, stock combinations, recapitalizations or other similar transactions during such period.

 

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(n)
“Closing Date” shall have the meaning set forth in the Securities Purchase Agreement, which date is the date the Company
initially issued Notes pursuant to the terms of the Securities Purchase Agreement.

 

(o)
“Common Stock” means (i) the Company’s shares of common stock, $0.001 par value per share, and (ii) any capital
stock into which such common stock shall have been changed or any share capital resulting from a reclassification of such common stock.

 

(p)
“Convertible Securities” means any stock or other security (other than Options) that is at any time and under any
circumstances, directly or indirectly, convertible into, exercisable or exchangeable for, or which otherwise entitles the holder thereof
to acquire, any shares of Common Stock.

 

(q)
“Current Subsidiary” means any Person in which the Company on the Subscription Date, directly or indirectly, (i) owns
any of the outstanding capital stock or holds any equity or similar interest of such Person or (ii) controls or operates all or any part
of the business, operations or administration of such Person, and all of the foregoing, collectively, “Current Subsidiaries”.

 

(r)
“Eligible Market” means The New York Stock Exchange, the NYSE American, the Nasdaq Capital Market, the Nasdaq Global
Select Market, the Nasdaq Global Market, the OTCQX or the Principal Market.

 

(s)
“Eligible Major Market” means The New York Stock Exchange, the NYSE American, the Nasdaq Capital Market, the Nasdaq
Global Select Market or the Nasdaq Global Market.

 

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(t)
“Equity Conditions” means, with respect to any given date of determination: (i) on each day during the period beginning
thirty calendar days prior to the applicable date of determination and ending on and including the applicable date of determination (the
“Equity Conditions Measuring Period”) either (x) one or more registration statements shall be effective and the prospectus
contained therein shall be available on such applicable date of determination (with, for the avoidance of doubt, any shares of Common
Stock previously sold pursuant to such prospectus deemed unavailable) for the resale of all shares of Common Stock to be issued in connection
with the event requiring this determination or issuable upon conversion of the Conversion Amount being redeemed, as applicable, in the
event requiring this determination at the Alternate Conversion Price then in effect (without regard to any limitations on conversion
set forth herein) (each, a “Required Minimum Securities Amount”) or (y) all Conversion Shares shall be eligible for
sale pursuant to Rule 144 (as defined in the Securities Purchase Agreement) without the need for registration under any applicable federal
or state securities laws (in each case, disregarding any limitation on conversion of the Notes, other issuance of securities with respect
to the Notes and exercise of the Warrants) exists or is continuing; (ii) on each day during the applicable Equity Conditions Measuring
Period, the Common Stock (including all Registrable Securities) is listed or designated for quotation (as applicable) on an Eligible
Major Market and shall not have been suspended from trading on an Eligible Major Market (other than suspensions of not more than two
(2) days and occurring prior to the applicable date of determination due to business announcements by the Company) nor shall delisting
or suspension by an Eligible Major Market have been threatened (with a reasonable prospect of delisting occurring after giving effect
to all applicable notice, appeal, compliance and hearing periods) or reasonably likely to occur or pending as evidenced by (A) a writing
by such Eligible Major Market or (B) the Company falling below the minimum listing maintenance requirements of the Eligible Major Market
on which the Common Stock is then listed or designated for quotation (as applicable); (iii) during the Equity Conditions Measuring Period,
the Company shall have delivered all shares of Common Stock issuable upon conversion of this Note on a timely basis as set forth in Section
3 hereof and all other shares of capital stock required to be delivered by the Company on a timely basis as set forth in the other Transaction
Documents; (iv) any shares of Common Stock to be issued in connection with the event requiring determination (or issuable upon conversion
of the Conversion Amount being redeemed in the event requiring this determination) may be issued in full without violating Section 3(d)
hereof; (v) any shares of Common Stock to be issued in connection with the event requiring determination (or issuable upon conversion
of the Conversion Amount being redeemed in the event requiring this determination (without regards to any limitations on conversion set
forth herein)) may be issued in full without violating the rules or regulations of the Eligible Major Market on which the Common Stock
is then listed or designated for quotation (as applicable); (vi) on each day during the Equity Conditions Measuring Period, no public
announcement of a pending, proposed or intended Fundamental Transaction shall have occurred which has not been abandoned, terminated
or consummated; (vii) no Current Public Information Failure exists or is continuing; (viii) the Holder shall not be in (and no other
holder of Notes shall be in) possession of any material, non-public information provided to any of them by the Company, any of its Subsidiaries
or any of their respective affiliates, employees, officers, representatives, agents or the like; (ix) on each day during the Equity Conditions
Measuring Period, the Company otherwise shall have been in compliance with each, and shall not have breached any representation or warranty
in any material respect (other than representations or warranties subject to material adverse effect or materiality, which may not be
breached in any respect) or any covenant or other term or condition of any Transaction Document, including, without limitation, the Company
shall not have failed to timely make any payment pursuant to any Transaction Document; (x) on each Trading Day during the Equity Conditions
Measuring Period, there shall not have occurred any Volume Failure as of such applicable date of determination; (xi) on the applicable
date of determination (A) no Authorized Share Failure shall exist or be continuing and the applicable Required Minimum Securities Amount
of shares of Common Stock are available under the certificate of incorporation of the Company and reserved by the Company to be issued
pursuant to the Notes and (B) all shares of Common Stock to be issued in connection with the event requiring this determination (or issuable
upon conversion of the Conversion Amount being redeemed in the event requiring this determination (without regards to any limitations
on conversion set forth herein)) may be issued in full without resulting in an Authorized Share Failure; (xii) on each day during the
Equity Conditions Measuring Period, there shall not have occurred and there shall not exist an Event of Default or an event that with
the passage of time or giving of notice would constitute an Event of Default; (xiii) no bone fide dispute shall exist, by and between
any of holder of Notes or Warrants, the Company, the Principal Market (and/or any Eligible Major Market in which the Common Stock of
the Company is then trading) and/or FINRA with respect to any term or provision of any Note or any other Transaction Document and (xiv)
the shares of Common Stock issuable pursuant the event requiring the satisfaction of the Equity Conditions are duly authorized and listed
and eligible for trading without restriction on an Eligible Major Market.

 

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(u)
“Equity Conditions Failure” means that on any day during the period commencing thirty (30) Trading Days prior to the
applicable Company Optional Redemption Notice Date through the applicable Company Optional Redemption Date, the Equity Conditions have
not been satisfied (or waived in writing by the Holder or Required Holders).

 

(v)
“Equity Value Redemption Premium” means, as of any date of determination, as applicable: (i) if the VWAP of the Common
Stock as of the Trading Day immediately prior to such date of determination is less than $0.0238 (as adjusted for stock splits, stock
dividends, stock combinations, recapitalizations and similar events)(the “Initial Conversion Price”), 120%, (ii) if
the VWAP of the Common Stock as of the Trading Day immediately prior to such date of determination is greater than or equal to $0.0238,
but less than $0.0357 (each as adjusted for stock splits, stock dividends, stock combinations, recapitalizations and similar events),
110% or (iii) if the VWAP of the Common Stock as of the Trading Day immediately prior to such date of determination is greater than or
equal to $0.0357 (as adjusted for stock splits, stock dividends, stock combinations, recapitalizations and similar events), 100%.

 

(w)
“Event Market Price” means, with respect to any Stock Combination Event Date, the quotient determined by dividing
(x) the sum of the VWAP of the Common Stock for each of the five (5) Trading Days with the lowest VWAP of the Common Stock during the
fifteen (15) consecutive Trading Day period ending and including the Trading Day immediately preceding the sixteenth (16th) Trading Day
after such Stock Combination Event Date, divided by (y) five (5).

 

(x)
“Excluded Securities” means (i) shares of Common Stock or standard options to purchase Common Stock issued to directors,
officers or employees of the Company for services rendered to the Company in their capacity as such pursuant to an Approved Stock Plan
(as defined above), provided that (A) all such issuances (taking into account the shares of Common Stock issuable upon exercise of such
options) after the Subscription Date pursuant to this clause (i) do not, in the aggregate, exceed more than 5% of the Common Stock issued
and outstanding immediately prior to the Subscription Date and (B) the exercise price of any such options is not lowered, none of such
options are amended to increase the number of shares issuable thereunder and none of the terms or conditions of any such options are
otherwise materially changed in any manner that adversely affects any of the Buyers; (ii) shares of Common Stock issued upon the conversion
or exercise of Convertible Securities or Options (other than standard options to purchase Common Stock issued pursuant to an Approved
Stock Plan that are covered by clause (i) above) issued prior to the Subscription Date, provided that the conversion price of any such
Convertible Securities (other than standard options to purchase Common Stock issued pursuant to an Approved Stock Plan that are covered
by clause (i) above) is not lowered, none of such Convertible Securities or Options (other than standard options to purchase Common Stock
issued pursuant to an Approved Stock Plan that are covered by clause (i) above) are amended to increase the number of shares issuable
thereunder and none of the terms or conditions of any such Convertible Securities or Options (other than standard options to purchase
Common Stock issued pursuant to an Approved Stock Plan that are covered by clause (i) above) are otherwise materially changed in any
manner that adversely affects any of the Buyers; (iii) the shares of Common Stock issuable upon conversion of the Notes or otherwise
pursuant to the terms of the Notes; provided, that the terms of the Notes are not amended, modified or changed on or after the Subscription
Date (other than antidilution adjustments pursuant to the terms thereof in effect as of the Subscription Date), and (iv) the shares of
Common Stock issuable upon exercise of the Warrants; provided, that the terms of the Warrants are not amended, modified or changed on
or after the Subscription Date (other than antidilution adjustments pursuant to the terms thereof in effect as of the Subscription Date).

 

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(y)
“Fundamental Transaction” means (A) that the Company shall, directly or indirectly, including through subsidiaries,
Affiliates or otherwise, in one or more related transactions, (i) consolidate or merge with or into (whether or not the Company is the
surviving corporation) another Subject Entity, or (ii) sell, assign, transfer, convey or otherwise dispose of all or substantially all
of the properties or assets of the Company or any of its “significant subsidiaries” (as defined in Rule 1-02 of Regulation
S-X) to one or more Subject Entities, or (iii) make, or allow one or more Subject Entities to make, or allow the Company to be subject
to or have its Common Stock be subject to or party to one or more Subject Entities making, a purchase, tender or exchange offer that
is accepted by the holders of at least either (x) 50% of the outstanding shares of Common Stock, (y) 50% of the outstanding shares of
Common Stock calculated as if any shares of Common Stock held by all Subject Entities making or party to, or Affiliated with any Subject
Entities making or party to, such purchase, tender or exchange offer were not outstanding; or (z) such number of shares of Common Stock
such that all Subject Entities making or party to, or Affiliated with any Subject Entity making or party to, such purchase, tender or
exchange offer, become collectively the beneficial owners (as defined in Rule 13d-3 under the 1934 Act) of at least 50% of the outstanding
shares of Common Stock, or (iv) consummate a stock or share purchase agreement or other business combination (including, without limitation,
a reorganization, recapitalization, spin-off or scheme of arrangement) with one or more Subject Entities whereby all such Subject Entities,
individually or in the aggregate, acquire, either (x) at least 50% of the outstanding shares of Common Stock, (y) at least 50% of the
outstanding shares of Common Stock calculated as if any shares of Common Stock held by all the Subject Entities making or party to, or
Affiliated with any Subject Entity making or party to, such stock purchase agreement or other business combination were not outstanding;
or (z) such number of shares of Common Stock such that the Subject Entities become collectively the beneficial owners (as defined in
Rule 13d-3 under the 1934 Act) of at least 50% of the outstanding shares of Common Stock, or (v) reorganize, recapitalize or reclassify
its Common Stock, (B) that the Company shall, directly or indirectly, including through subsidiaries, Affiliates or otherwise, in one
or more related transactions, allow any Subject Entity individually or the Subject Entities in the aggregate to be or become the “beneficial
owner” (as defined in Rule 13d-3 under the 1934 Act), directly or indirectly, whether through acquisition, purchase, assignment,
conveyance, tender, tender offer, exchange, reduction in outstanding shares of Common Stock, merger, consolidation, business combination,
reorganization, recapitalization, spin-off, scheme of arrangement, reorganization, recapitalization or reclassification or otherwise
in any manner whatsoever, of either (x) at least 50% of the aggregate ordinary voting power represented by issued and outstanding Common
Stock, (y) at least 50% of the aggregate ordinary voting power represented by issued and outstanding Common Stock not held by all such
Subject Entities as of the date of this Note calculated as if any shares of Common Stock held by all such Subject Entities were not outstanding,
or (z) a percentage of the aggregate ordinary voting power represented by issued and outstanding shares of Common Stock or other equity
securities of the Company sufficient to allow such Subject Entities to effect a statutory short form merger or other transaction requiring
other stockholders of the Company to surrender their shares of Common Stock without approval of the stockholders of the Company or (C)
directly or indirectly, including through subsidiaries, Affiliates or otherwise, in one or more related transactions, the issuance of
or the entering into any other instrument or transaction structured in a manner to circumvent, or that circumvents, the intent of this
definition in which case this definition shall be construed and implemented in a manner otherwise than in strict conformity with the
terms of this definition to the extent necessary to correct this definition or any portion of this definition which may be defective
or inconsistent with the intended treatment of such instrument or transaction.

 

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(z)
“GAAP” means United States generally accepted accounting principles, consistently applied.

 

(aa)
“Group” means a “group” as that term is used in Section 13(d) of the 1934 Act and as defined in Rule 13d-5
thereunder.

 

(bb)
“Indebtedness” shall have the meaning ascribed to such term in the Securities Purchase Agreement.

 

(cc)
“Investment” means any beneficial ownership (including stock, partnership or limited liability company interests)
of or in any Person, or any loan, advance or capital contribution to any Person or the acquisition of all, or substantially all, of the
assets of another Person or the purchase of any assets of another Person for greater than the fair market value of such assets to solely
the extent of the amount in excess of the fair market value.

 

(dd)
“Interest Date” means, with respect to any given calendar month, the first Trading Day of such calendar month.

 

(ee)
“Maturity Date” shall mean February 25, 2024; provided, however, the Maturity Date may be extended at the option of
the Holder (i) in the event that, and for so long as, an Event of Default shall have occurred and be continuing or any event shall have
occurred and be continuing that with the passage of time and the failure to cure would result in an Event of Default or (ii) through
the date that is twenty (20) Business Days after the consummation of a Fundamental Transaction in the event that a Fundamental Transaction
is publicly announced or a Change of Control Notice is delivered prior to the Maturity Date, provided further that if a Holder elects
to convert some or all of this Note pursuant to Section 3 hereof, and the Conversion Amount would be limited pursuant to Section 3(d)
hereunder, the Maturity Date shall automatically be extended until such time as such provision shall not limit the conversion of this
Note.

 

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(ff)
“New Subsidiary” means, as of any date of determination, any Person in which the Company after the Subscription Date,
directly or indirectly, (i) owns or acquires any of the outstanding capital stock or holds any equity or similar interest of such Person
or (ii) controls or operates all or any part of the business, operations or administration of such Person, and all of the foregoing,
collectively, “New Subsidiaries”.

 

(gg)
“Options” means any rights, warrants or options to subscribe for or purchase shares of Common Stock or Convertible
Securities.

 

(hh)
“Parent Entity” of a Person means an entity that, directly or indirectly, controls the applicable Person and whose
common stock or equivalent equity security is quoted or listed on an Eligible Market, or, if there is more than one such Person or Parent
Entity, the Person or Parent Entity with the largest public market capitalization as of the date of consummation of the Fundamental Transaction.

 

(ii)
“Permitted Indebtedness” means (i) Indebtedness evidenced by this Note and the Other Notes, (ii) Indebtedness set
forth on Schedule 3(s) to the Securities Purchase Agreement, as in effect as of the Subscription Date and (iii) Indebtedness secured
by Permitted Liens or unsecured but as described in clauses (iv) and (v) of the definition of Permitted Liens.

 

(jj)
“Permitted Liens” means (i) any Lien for taxes not yet due or delinquent or being contested in good faith by appropriate
proceedings for which adequate reserves have been established in accordance with GAAP, (ii) any statutory Lien arising in the ordinary
course of business by operation of law with respect to a liability that is not yet due or delinquent, (iii) any Lien created by operation
of law, such as materialmen’s liens, mechanics’ liens and other similar liens, arising in the ordinary course of business
with respect to a liability that is not yet due or delinquent or that are being contested in good faith by appropriate proceedings, (iv)
Liens (A) upon or in any equipment acquired or held by the Company or any of its Subsidiaries to secure the purchase price of such equipment
or Indebtedness incurred solely for the purpose of financing the acquisition or lease of such equipment, or (B) existing on such equipment
at the time of its acquisition, provided that the Lien is confined solely to the property so acquired and improvements thereon, and the
proceeds of such equipment, in either case, with respect to Indebtedness in an aggregate amount not to exceed $100,000, (v) Liens
incurred in connection with the extension, renewal or refinancing of the Indebtedness secured by Liens of the type described in clause
(iv) above, provided that any extension, renewal or replacement Lien shall be limited to the property encumbered by the existing Lien
and the principal amount of the Indebtedness being extended, renewed or refinanced does not increase, (vi) Liens in favor of customs
and revenue authorities arising as a matter of law to secure payments of custom duties in connection with the importation of goods, (vii)
Liens for equipment financing up to $750,000 in the aggregate, provided, that the Liens are only on the equipment being financed
and do not exceed the purchase price of the equipment being financed, (viii) Liens on rent security deposits, (ix) Lien of no more than
$20,000 for Nanomix Deposit Services Agreement with Silicon Valley Bank, and (x) Liens arising from judgments, decrees or attachments
in circumstances not constituting an Event of Default under Section 4(a)(xii).

 

    43

    

    

 

(kk)
“Person” means an individual, a limited liability company, a partnership, a joint venture, a corporation, a trust,
an unincorporated organization, any other entity or a government or any department or agency thereof.

 

(ll)
Intentionally Omitted.

 

(mm)
“Principal Market” means, as applicable: (x) initially the OTCQB or (y) if at any time after the Issuance Date the
Common Stock is listed on a Eligible Major Market, such Eligible Major Market.

 

(nn)
“Redemption Notices” means, collectively, the Event of Default Redemption Notices, the Holder Optional Redemption
Notices, the Company Optional Redemption Notices and the Change of Control Redemption Notices, and each of the foregoing, individually,
a “Redemption Notice.”

 

(oo)
“Redemption Premium” means 120%.

 

(pp)
“Redemption Prices” means, collectively, Event of Default Redemption Prices, the Change of Control Redemption Prices,
the Holder Optional Redemption Prices and the Company Optional Redemption Prices, and each of the foregoing, individually, a “Redemption
Price.”

 

(qq)
“SEC” means the United States Securities and Exchange Commission or the successor thereto.

 

(rr)
“Securities Purchase Agreement” means that certain securities purchase agreement, dated as of the Subscription Date,
by and among the Company and the initial holders of the Notes pursuant to which the Company issued the Notes, as may be amended from
time to time.

 

(ss)
“Security Agreement” shall have the meaning as set forth in the Securities Purchase Agreement.

 

(tt)
“Subscription Date” means February 25, 2022.

 

(uu)
“Subsidiaries” means, as of any date of determination, collectively, all Current Subsidiaries and all New Subsidiaries,
and each of the foregoing, individually, a “Subsidiary.”

 

(vv)
“Subject Entity” means any Person, Persons or Group or any Affiliate or associate of any such Person, Persons or Group.

 

    44

    

    

 

(ww)
“Successor Entity” means the Person (or, if so elected by the Required Holders, the Parent Entity) formed by, resulting
from or surviving any Fundamental Transaction or the Person (or, if so elected by the Required Holders, the Parent Entity) with which
such Fundamental Transaction shall have been entered into.

 

(xx)
“Trading Day” means, as applicable, (x) with respect to all price or trading volume determinations relating to the
Common Stock, any day on which the Common Stock is traded on the Principal Market, or, if the Principal Market is not the principal trading
market for the Common Stock, then on the principal securities exchange or securities market on which the Common Stock is then traded,
provided that “Trading Day” shall not include any day on which the Common Stock is scheduled to trade on such exchange or
market for less than 4.5 hours or any day that the Common Stock is suspended from trading during the final hour of trading on such exchange
or market (or if such exchange or market does not designate in advance the closing time of trading on such exchange or market, then during
the hour ending at 4:00:00 p.m., New York time) unless such day is otherwise designated as a Trading Day in writing by the Required Holders
or (y) with respect to all determinations other than price determinations relating to the Common Stock, any day on which The New York
Stock Exchange (or any successor thereto) is open for trading of securities.

 

(yy)
“Volume Failure” means, with respect to a particular date of determination, the aggregate daily dollar trading volume
(as reported on Bloomberg) of the Common Stock on the principal Eligible Major Market in which the Common Stock is then trading, if any,
on any Trading Day during the twenty (20) Trading Day period ending on the Trading Day immediately preceding such date of determination,
is less than $500,000 (as adjusted for any stock splits, stock dividends, stock combinations, recapitalizations or other similar transactions
occurring after the Subscription Date).

 

(zz)
“VWAP” means, for any security as of any date, the dollar volume-weighted average price for such security on the Principal
Market (or, if the Principal Market is not the principal trading market for such security, then on the principal securities exchange
or securities market on which such security is then traded), during the period beginning at 9:30 a.m., New York time, and ending at 4:00
p.m., New York time, as reported by Bloomberg through its “VAP” function (set to 09:30 start time and 16:00 end time) or,
if the foregoing does not apply, the dollar volume-weighted average price of such security in the over-the-counter market on the electronic
bulletin board for such security during the period beginning at 9:30 a.m., New York time, and ending at 4:00 p.m., New York time, as
reported by Bloomberg, or, if no dollar volume-weighted average price is reported for such security by Bloomberg for such hours, the
average of the highest closing bid price and the lowest closing ask price of any of the market makers for such security as reported in
The Pink Open Market (or a similar organization or agency succeeding to its functions of reporting prices). If the VWAP cannot be calculated
for such security on such date on any of the foregoing bases, the VWAP of such security on such date shall be the fair market value as
mutually determined by the Company and the Required Holders. If the Company and the Required Holders are unable to agree upon the fair
market value of such security, then such dispute shall be resolved in accordance with the procedures in Section 24. All such determinations
shall be appropriately adjusted for any stock dividend, stock split, stock combination, recapitalization or other similar transaction
during such period.

 

(aaa)
“Warrants” has the meaning ascribed to such term in the Securities Purchase Agreement, and shall include all warrants
issued in exchange therefor or replacement thereof.

 

    45

    

    

 

33.
DISCLOSURE. Upon delivery by the Company to the Holder (or receipt by the Company from the Holder) of any notice in accordance
with the terms of this Note, unless the Company has in good faith determined that the matters relating to such notice do not constitute
material, non-public information relating to the Company or any of its Subsidiaries, the Company shall on or prior to 9:00 am, New York
city time on the Business Day immediately following such notice delivery date, publicly disclose such material, non-public information
on a Current Report on Form 8-K or otherwise. In the event that the Company believes that a notice contains material, non-public information
relating to the Company or any of its Subsidiaries, the Company so shall indicate to the Holder explicitly in writing in such notice
(or immediately upon receipt of notice from the Holder, as applicable), and in the absence of any such written indication in such notice
(or notification from the Company immediately upon receipt of notice from the Holder), the Holder shall be entitled to presume that information
contained in the notice does not constitute material, non-public information relating to the Company or any of its Subsidiaries. Nothing
contained in this Section 33 shall limit any obligations of the Company, or any rights of the Holder, under Section 4(i) of the Securities
Purchase Agreement.

 

34.
ABSENCE OF TRADING AND DISCLOSURE RESTRICTIONS. The Company acknowledges and agrees that the Holder is not a fiduciary or agent
of the Company and that the Holder shall have no obligation to (a) maintain the confidentiality of any information provided by the Company
or (b) refrain from trading any securities while in possession of such information in the absence of a written non-disclosure agreement
signed by an officer of the Holder that explicitly provides for such confidentiality and trading restrictions. In the absence of such
an executed, written non-disclosure agreement, the Company acknowledges that the Holder may freely trade in any securities issued by
the Company, may possess and use any information provided by the Company in connection with such trading activity, and may disclose any
such information to any third party.

 

[signature
page follows]

 

    46

    

    

 

IN
WITNESS WHEREOF, the Company has caused this Note to be duly executed as of the Issuance Date set out above.

 

	 	NANOMIX CORPORATION

	 	 	 
	 	By: 	                                   
	 	 	Name:
	 	 	Title:

 

Senior Secured Convertible
Note - Signature Page

 

     

     

    

 

EXHIBIT
I

 

NANOMIX
CORPORATION

CONVERSION NOTICE

 

Reference
is made to the Senior Secured Convertible Note (the “Note”) issued to the undersigned by Nanomix Corporation, a Delaware
corporation (the “Company”). In accordance with and pursuant to the Note, the undersigned hereby elects to convert
the Conversion Amount (as defined in the Note) of the Note indicated below into shares of Common Stock, $0.001 par value per share (the
“Common Stock”), of the Company, as of the date specified below. Capitalized terms not defined herein shall have the
meaning as set forth in the Note.

 

	Date
    of Conversion:	 
	 	 
	Aggregate
    Principal to be converted:	 
	 	 
	Aggregate
    accrued and unpaid Interest and accrued and unpaid Late Charges with respect to such portion of the Aggregate Principal and such
    Aggregate Interest to be converted:	 
	 	 
	AGGREGATE
    CONVERSION AMOUNT

     TO BE CONVERTED:	 
	 	 
	Please
    confirm the following information:
	 
	Conversion
    Price:	 
	 	 
	Number
    of shares of Common Stock to be issued:	 
	 	 
	☐ If
                                                                                                     this Conversion Notice is being delivered with respect to an Alternate Conversion, check here if Holder is electing to use the
                                                                                                     following Alternate Conversion Price:____________

     

    Please
    issue the Common Stock into which the Note is being converted to Holder, or for its benefit, as follows:

     

    ☐ Check
    here if requesting delivery as a certificate to the following name and to the following address:

     

	Issue
    to:	 
	 	 
	 	 
	 	 
	☐ Check
    here if requesting delivery by Deposit/Withdrawal at Custodian as follows:
	 
	DTC
    Participant:	 
	 	 
	DTC
    Number:	 
	 	 
	Account
    Number:	 
	 	 	 	 	 	 	 

 

	Date:
    ________________ ___,   _____  	 
	 	 	 
	 	 
	Name
    of Registered Holder	 
	 	 	 
	By:	 	 
	 	Name:	 
	 	Title:	 
	 	 	 
	 	Tax
    ID: ___________________________	 
	 	 	 
	 	E-mail
    Address: __________________	 

 

     

     

    

 

Exhibit
II

 

ACKNOWLEDGMENT

 

The
Company hereby (a) acknowledges this Conversion Notice, (b) certifies that the above indicated number of shares of Common Stock [are][are
not] eligible to be resold by the Holder either (i) pursuant to Rule 144 (subject to the Holder’s execution and delivery to the
Company of a customary 144 representation letter) or (ii) an effective and available registration statement and (c) hereby directs _________________
to issue the above indicated number of shares of Common Stock in accordance with the Transfer Agent Instructions dated _____________,
20__ from the Company and acknowledged and agreed to by ________________________.

 

	 	NANOMIX CORPORATION
	 	 	 
	 	By:	                                           
	 	 	Name:
	 	 	Title:

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