Document:

Exhibit 4.4

 

THIS NOTE HAS NOT BEEN REGISTERED UNDER
THE SECURITIES ACT OF 1933, AS AMENDED (THE “ACT”), OR THE APPLICABLE STATE SECURITIES LAWS, AND MAY NOT BE OFFERED
OR SOLD IN THE ABSENCE OF AN EFFECTIVE REGISTRATION STATEMENT UNDER THE ACT AND SUCH STATE SECURITIES LAWS, OR AN EXEMPTION FROM
REGISTRATION THEREUNDER, IN EACH CASE, TO THE EXTENT APPLICABLE HERETO.

 

SECURED PROMISSORY NOTE

 

	 	New York, New York
	$[PRINCIPAL]	April 9, 2018

 

FOR VALUE RECEIVED,
[INVESTOR] (the “Investor”) hereby promises to pay to Real Goods Solar, Inc., a Colorado corporation (the “Company”),
on the date set forth below, (i) the principal amount of [PRINCIPAL] ($[PRINCIPAL]) and (ii) interest on the unpaid principal balance
hereof at the rate set forth herein (collectively, the “Obligations”). This Promissory Note (this “Note”)
has been issued pursuant to the Note Purchase Agreement, dated as of April 9, 2018 (the “Subscription Date”),
by and among the Company and the Investor (as amended, modified, supplemented, extended, renewed, restated or replaced from time
to time, the “Note Purchase Agreement”) as payment of the purchase price of that certain Series B Senior Secured
Series B Convertible Note of the Company, with an initial aggregate principal amount of $[SERIES B PRINCIPAL] (as such note may
be amended, modified, supplemented, extended, renewed, restated or replaced from time to time in accordance with the terms thereof,
the “Series B Note”), issued pursuant to that certain Securities Purchase Agreement, dated as of March 30, 2018
by and among the Company and the investors party thereto (as amended, modified, supplemented, extended, renewed, restated or replaced
from time to time, the “Securities Purchase Agreement”). Capitalized terms not defined herein shall have the
meaning as set forth in the Series B Note. NEITHER THIS NOTE NOR ANY INTEREST HEREIN MAY BE PLEDGED, ASSIGNED OR OTHERWISE TRANSFERRED,
WHETHER BY THE COMPANY, OPERATION OF LAW, COURT ORDER OR OTHERWISE, WITHOUT THE EXPRESS PRIOR WRITTEN CONSENT OF THE INVESTOR.
ANY SUCH PURPORTED ASSIGNMENT OR TRANSFER WITHOUT SUCH CONSENT SHALL BE NULL AND VOID.

 

1.            Payment
of Principal. The principal amount of this Note (the “Principal”), together with all unpaid interest accrued
thereon and any other Obligations payable hereunder, shall be due and payable in full upon the thirtieth (30th) anniversary
of the Scheduled Series B Note Maturity Date (as defined below) (the “Maturity Date”); provided, that the Maturity
Date shall be automatically extended by one (1) calendar day for each calendar day after April 9, 2048 (the “Scheduled
Series B Note Maturity Date”), if any, that all, or any part, of the Series B Note remains outstanding.

 

2.            Payment
of Interest. The unpaid Principal balance due hereunder shall bear interest (the “Interest”) at an annual
rate equal to 2.88% (the “Interest Rate”). Subject to Sections 3 and 7 below, Interest shall be payable and
due upon the Maturity Date. All interest shall be computed on the basis of a year of 365 or 366 days, as the case may be, for the
actual number of days (including the first day but excluding the last day) elapsed.

 

     

     

    

 

3.            Prepayment
Prior to the Maturity Date. 

 

(a)          Optional
Prepayment. The Investor may, at its option at any time on or after the date hereof, prepay, in whole or in part, without premium
or penalty, the Obligations under this Note (each, an “Optional Prepayment”).

 

(b)          Mandatory
Prepayment. Upon any Mandatory Prepayment Event (as defined below), the Investor shall promptly prepay such aggregate outstanding
Principal of this Note equal to the applicable Mandatory Prepayment Amount (as defined below) with respect to such Mandatory Prepayment
Event (each, a “Mandatory Prepayment”, and together with each Optional Prepayment, each a “Prepayment”).

 

(c)          Mechanics
of Prepayments. All Prepayments hereunder shall be made in cash, by wire transfer, in U.S. dollars and immediately available
funds, in accordance with the wire instructions delivered to the Investor by the Company on or prior to such date of such Prepayment.
At the option of the Company, prepayments may be made directly to the Company or to such other Persons as the Company may direct
in its wire instructions.

 

(d)          Cancellation
of Interest upon Prepayment. Notwithstanding anything herein to the contrary, upon any Prepayment prior to the Maturity Date
(including, without limitation, any Mandatory Prepayment), the aggregate cash amount in such Prepayment shall be applied entirely
to and against any outstanding Principal under this Note, and any accrued and unpaid Interest with respect to the Principal prepaid
shall be automatically cancelled as of the date of such prepayment.

 

(d)          Definitions.
For the purpose of this Note, the following definitions shall apply:

 

(i)          “Mandatory
Prepayment Amount” means, as applicable, any Mandatory Prepayment Conversion Amount (as defined below) or the Forced
Mandatory Prepayment Amount (as defined below).

 

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(ii)         “Mandatory
Prepayment Event” means, as applicable, (i) with respect to any Restricted Principal of the Series B Note designated
to be converted in a Conversion Notice (such aggregate amount of Principal then outstanding hereunder equal to such Restricted
Principal of the Series B Note designated to be converted in such Conversion Notice, each, a “Mandatory Prepayment Conversion
Amount”), both (A) the Company’s receipt of such Conversion Notice thereunder executed by the Investor in which
all, or any part, of the principal of the Series B Note to be converted includes any Restricted Principal and (B) the Investor’s
receipt from the Company of written confirmation that the Company’s transfer agent (the “Transfer Agent”)
has been irrevocably instructed by the Company to deliver to the Investor (or its designee) the shares of Common Stock to be issued
pursuant to such Conversion Notice in accordance with Section 3(c) of the Series B Note (in each case, as adjusted, if applicable,
to reflect the withdrawal of any Conversion Notice, in whole or in part, by the Investor, whether pursuant to Section 3(c)(ii)
of the Series B Note or otherwise), or (ii) with respect to any Principal outstanding hereunder on the Mandatory Prepayment Date
(as defined below) (the “Forced Mandatory Prepayment Amount”), the occurrence of the forty-fifth calendar day
after the Eligible Resale Date (the “Mandatory Prepayment Date”), so long as (x) no Equity Conditions Failure
(as defined in the Series A Note or Series B Note) exists as of such Mandatory Prepayment Date, (y) as of the Mandatory Prepayment
Date, the quotient of (A) the sum of the VWAP of the Common Stock for each Trading Day during the twenty (20) consecutive Trading
Day period ending as of the Trading Day immediately prior to the Mandatory Prepayment Date, divided by (y) twenty (20) is greater
than $0.97 (as adjusted for stock splits, stock dividends, stock combinations recapitalizations and similar events) (the failure
of the Company to satisfy this clause (y) as of the Mandatory Prepayment Date, if any, a “Minimum Price Failure”)
and (z) no Event of Default (as defined in the Series A or Series B Note) then exists and is continuing. Notwithstanding the foregoing,
the Investor (or its designee) shall not commence a Deposit/Withdrawal at Custodian with respect to such shares of Common Stock
to be issued upon conversion of Restricted Principal unless and until the Investor shall have either (x) delivered the Mandatory
Prepayment Amount to the Company or (y) delivered irrevocable instructions to the Investor’s bank, broker or other financial
institution to wire the Mandatory Prepayment Amount to the Company from an account with at least an amount of cash or other Eligible
Assets (as defined below) equal to the Mandatory Prepayment Amount). “Eligible Resale Date” means the earlier
of (x) the first date on which the resale by the Buyers (as defined in the Securities Purchase Agreement) of all the Registrable
Securities (as defined in the Registration Rights Agreement) pursuant to one or more registration statements filed with the SEC
has been declared effective by the SEC (and each prospectus contained therein is available for use on such date) or (y) the first
date on which all of the Registrable Securities are eligible to be resold by the Buyers pursuant to Rule 144 (or, if a Current
Public Information Failure (as defined in the Registration Rights Agreement) has occurred and is continuing, such later date after
which the Company has cured such Current Public Information Failure).

 

4.            Defaults.

 

(a)          the
Investor shall be deemed in default hereunder upon the occurrence of any of the following (a “Default”):

 

(i)          Failure
to Pay Principal or Interest. The failure of the Investor to pay, when due, all or any part of any Principal or Interest required
to be made hereunder; or

 

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(ii)         Bankruptcy,
etc. The Investor shall have entered against it by a court having jurisdiction thereof a decree or order for relief in respect
to the Investor in an involuntary case under any applicable bankruptcy, insolvency or other similar law now or hereafter in effect,
or a receiver, liquidator, assignee, custodian, trustee, sequestrator or other similar official shall be appointed for the Investor
or for any substantial part of the Investor’s property, or the winding up or liquidation of the Investor’s affairs
shall have been ordered; or the Investor shall commence a voluntary case under any applicable bankruptcy, insolvency or other
similar law now or hereafter in effect; or the Investor shall consent to the entry of an order for such relief in an involuntary
case under any such law, or any such involuntary case shall commence, and not be dismissed within sixty (60) days; or the Investor
shall consent to the appointment of or taking possession by a receiver, liquidator, assignee, custodian, trustee, sequestrator
or other similar official for the Investor or for any substantial part of the Investor’s property, or make any general assignment
for the benefit of creditors. 

 

(b)         Consequence
of Default. Upon the occurrence of a Default, the outstanding Obligations hereunder shall, at the option of the Company, become
immediately due and payable (each, an “Investor Note Acceleration”), subject to the Investor’s right to
elect to effect Default Netting (as defined below) with respect to all, or any portion, of this Note as elected by the Investor
in a written notice to the Company. Notwithstanding the foregoing, if there shall occur a Default under Section 4(a)(ii) above,
the entire outstanding Obligations hereunder, shall automatically become immediately due and payable without any action on the
part of the Company and the Investor shall be deemed to have elected Default Netting with respect to the maximum amount of its
obligations outstanding hereunder as permitted pursuant to Section 7(h) below. Upon the occurrence of a Default, the Company shall
also have all the rights and remedies of a secured party on default under Article 9 of the Uniform Commercial Code of the State
of New York with respect to the Collateral (as hereinafter defined).

 

5.            Representations
and Warranties of the Investor. The Investor represents and warrants to the Company as follows as of the date hereof: (a) the
Investor has the power and authority to execute, deliver and perform all obligations in accordance herewith; (b) the execution,
delivery and performance by the Investor of this Note are within the Investor's legal powers, and do not contravene any law or
any contractual restriction binding on or affecting the Investor; (c) no authorization or approval or other action by, and
no notice to or filing with, any governmental authority or regulatory body is required for the due execution, delivery and performance
by the Investor of this Note; (d) this Note constitutes the legal, valid and binding obligation of the Investor, enforceable
against the Investor in accordance with its terms, except to the extent enforceability is limited by bankruptcy, insolvency, fraudulent
conveyance, moratorium and other laws for the protection of creditors generally and by general equitable principles; and (e) there
is no pending or, to the Investor's knowledge, threatened action or proceeding affecting the Investor before any governmental agency
or arbitrator with respect to the transactions contemplated by this Note or which may materially adversely affect the property,
assets or condition (financial or otherwise) of the Investor.

 

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6.            Security. 

 

(a)          Grant
of Security Interest. As security for the due and prompt payment and performance of all payment obligations under this Note
and any modifications, replacements and extensions hereof (collectively, “Secured Obligations”), the Investor
hereby pledges and grants a security interest to the Company in all of the Investor’s right, title, and interest in and to,
initially at least $[PRINCIPAL], in the aggregate, (i) in cash, (ii) cash equivalents, (iii) any Group of Ten (“G10”)
currency and any notes or other securities issued by any G10 country and (iv) any securities of a special purpose acquisition company
(each, a “SPAC”) that are redeemable for cash held in escrow by such SPAC (with a deemed fair market value,
for purposes hereof, equal to the amount of cash held in such escrow for redemption of such applicable security of such SPAC) (collectively,
the “Eligible Assets”), in each case, held by the Investor in the bank or brokerage accounts described on Schedule
I attached hereto (the “Collateral”, and such account or accounts, as applicable, collectively, the “Collateral
Account”), subject to reduction upon any reduction, offset or cancellation of this Note. So long as any Restricted Principal
(as defined in the Series B Note) remains outstanding under the Series B Note, the Investor shall keep Collateral in the Collateral
Account with a fair market value of at least the amount of Restricted Principal then outstanding.

 

(b)          Change
in Collateral Account. The Investor may, with at least five (5) Trading Days’ notice to the Company, move the Collateral
from an account or accounts of the Investor to a new account or accounts (the “New Collateral Account”) at a
financial institution selected by the Investor, (but if such financial institution is not listed as a permitted financial institution
on Schedule II attached hereto, subject to the consent of the Company, not to be unreasonably withheld), and upon such move, such
New Collateral Account shall be the Collateral Account for all purposes hereunder.

 

7.            Netting
Rights.

 

(a)          Securities
Contract. The Company and the Investor hereby acknowledge and agree that the Securities Purchase Agreement and the Note Purchase
Agreement each is a “securities contract” as defined in 11 U.S.C. § 741 and that Investor shall have all rights
in respect of the Investor Note, the Series B Note, the Master Netting Agreement, the Securities Purchase Agreement and the Note
Purchase Agreement as are set forth in 11 U.S.C. § 555 and 11 U.S.C. § 362(b)(6), including, without limitation, all
rights of credit, deduction, setoff, offset, recoupment, and netting (collectively, “Netting” or “Net”)
as are available under this Note, the Series B Note and the Master Netting Agreement.

 

(b)          Investor
Optional Netting. Notwithstanding anything herein to the contrary, the Investor may, (I) on or after the 45th calendar day
after the Eligible Resale Date (such date, the “Eligible Optional Netting Date”) or (II) at any time on or after
the occurrence of a Minimum Price Failure, an Event of Default (as defined in the Series B Note) or a Change of Control (as defined
in the Series B Note) (in each case, whether or not a Redemption Notice (as defined in the Series B Note) has been delivered by
the Investor to the Company with respect thereto) or, (III) after October 9, as long as an Equity Conditions Failure exists and
is continuing, in each case, at its option and at its sole discretion, by written notice to the Company, Net, in whole or in part,
any Permitted Amount (as defined in the Master Netting Agreement) of any Unpaid Amount (as defined in the Master Netting Agreement)
owed by the Investor to the Company under this Note or any other Underlying Agreement (as defined in the Master Netting Agreement)
against (across or within each or all of the Underlying Agreements) (x) any Unpaid Amounts owed by the Company to the Investor
under the Series B Notes or (y) any Unpaid Amounts (subject to the limitations contained in the Master Netting Agreement regarding
an Equity Conditions Failure) owed by the Company to the Investor under any other Underlying Agreement, as set forth in such written
notice (each, an “Investor Optional Netting”); provided, that no Investor Optional Netting shall occur hereunder
with respect to any Mandatory Prepayment Amount that the Investor fails to properly prepay hereunder in violation of this Note.
Upon any Investor Optional Netting, (x) such portion of Principal subject to such Investor Optional Netting shall be deemed surrendered
and concurrently cancelled as of the date of such Investor Optional Netting and (y) any accrued and unpaid Interest hereunder with
respect to such portion of Principal subject to such Investor Optional Netting shall be automatically cancelled as of the date
of such Investor Optional Netting. Each Investor Optional Netting shall be effective upon the date the Investor delivers written
notice to the Company of the Investor’s election to effect such Investor Optional Netting.

 

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(c)          Automatic
Netting at Redemption Date. Notwithstanding anything herein to the contrary, on each Redemption Date (as defined in the Series
B Note), solely to the extent such portion of the Conversion Amount (as defined in the Series B Note) subject to redemption includes
Restricted Principal (such aggregate amount of Restricted Principal subject to the applicable redemption on the such Redemption
Date, each, a “Redemption Restricted Amount”), the Investor shall automatically Net (each, a “Redemption
Netting”) such part of the outstanding obligations under the Series B Note equal to such Redemption Restricted Amount
by the cancellation of the Redemption Restricted Amount of the outstanding obligations under the Series B Note in exchange for
the surrender and concurrent cancellation of such portion of this Note with an amount of aggregate Principal then outstanding
hereunder equal to such Redemption Restricted Amount (each a “Redemption Netting Principal Amount”). Upon any
Redemption Netting, any accrued and unpaid Interest hereunder with respect to such Redemption Netting Principal Amount being cancelled
in such Redemption Netting shall be automatically cancelled as of the date of such Redemption Netting and, thereafter, such Redemption
Netting Principal Amount of this Note shall be deemed to be paid in full and shall be null and void. Each Redemption Netting shall
automatically occur on the applicable Redemption Date (as defined in the Series B Note). For the avoidance of doubt, if prior
to the applicable Redemption Date all, or any portion, of a Redemption Restricted Amount is converted (whether by Acceleration
(as defined in the Series B Note) or otherwise in accordance with the terms of the Series B Note) or a waiver of an Equity Conditions
Failure or such other event occurs whereafter such portion of the Redemption Restricted Amount is not required to be redeemed
on the Redemption Date in accordance with the terms of the Series B Note (as amended, modified or waived on or prior to such date)(each
a “Reversed Redemption Restricted Amount”), solely with respect to such Redemption Date, no Redemption Netting
shall occur with respect to such Reversed Redemption Restricted Amount. 

 

(d)          Automatic
Netting at Maturity. Notwithstanding anything herein to the contrary, at the Maturity Date (as defined in the Series B Note),
if any amounts remain outstanding under the Series B Note and hereunder, the Investor shall automatically Net such part of the
outstanding obligations under the Series B Note equal to the aggregate Principal then outstanding hereunder (the “Remaining
Principal Amount”) by the cancellation of the Remaining Principal Amount of the outstanding obligations under the Series
B Note in exchange for the surrender and concurrent cancellation of the aggregate Principal then outstanding hereunder (the “Maturity
Netting”). Upon any Maturity Netting, any accrued and unpaid Interest hereunder with respect to such portion of Principal
being cancelled in such Maturity Netting shall be automatically cancelled as of the date of such Maturity Netting and, thereafter,
this Note shall be deemed to be paid in full and shall be null and void. The Maturity Netting shall automatically occur on the
Maturity Date (as defined in the Series B Note).

 

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(e)          Event
of Default Netting. Notwithstanding anything herein to the contrary, Investor may, at any time on or after the occurrence
of any Event of Default under the Series B Note, but prior to the date of cure thereof, at its sole discretion, by written notice
to the Company, Net all, or any part, of the outstanding obligations under the Series B Note by the cancellation of such portion
of the outstanding obligations under the Series B Note as set forth in such written notice in exchange for the surrender and concurrent
cancellation of an equal amount of Principal hereunder (each, an “Event of Default Netting”). Upon any Event
of Default Netting, any accrued and unpaid Interest hereunder with respect to such portion of Principal being satisfied in such
Event of Default Netting shall be automatically cancelled as of the date of such Event of Default Netting. Each Event of Default
Netting shall be effective upon the date the Investor delivers notice to the Company of the Investor’s election to effect
such Event of Default Netting. 

 

(f)          Automatic
Netting Upon any Bankruptcy Event of Default. Notwithstanding anything herein to the contrary, upon any Bankruptcy Event of
Default under the Series B Note, the Investor shall automatically Net such part of the outstanding obligations under the Series
B Note equal to the Remaining Principal Amount by the cancellation of the Remaining Principal Amount of the outstanding obligations
under the Series B Note in exchange for the surrender and concurrent cancellation of the aggregate Principal then outstanding hereunder
(each, a “Bankruptcy Event of Default Netting”, and together with the Investor Optional Netting, Redemption
Netting, Maturity Netting and Event of Default Netting, collectively, the “Investor Netting Rights”). Upon any
Bankruptcy Event of Default Netting, any accrued and unpaid Interest hereunder with respect to such portion of Principal being
satisfied in such Bankruptcy Event of Default Netting shall be automatically cancelled as of the date of such Bankruptcy Event
of Default Netting and, thereafter, this Note shall be deemed to be paid in full and shall be null and void. Each Bankruptcy Event
of Default Netting shall be effective upon the date of the earliest occurrence of a Bankruptcy Event (as defined in the Series
B Note) under the Series B Note.

 

(g)          Automatic
Netting Upon Prohibited Transfers of this Note. If for any reason, this Note or any interest herein is pledged, assigned or
transferred to any Person other than the Company without the prior written consent of the Investor, whether by contract, operation
of law, court order or otherwise (each, a “Prohibited Transfer”), the Investor shall automatically Net such
part of the outstanding obligations under the Series B Note equal to 75% of the remaining Restricted Principal then outstanding
under the Series B Note (with the remaining 25% of the Restricted Principal of the Series B Note automatically becoming unrestricted
principal thereunder) in exchange for the surrender and concurrent cancellation of the aggregate Principal then outstanding hereunder.
Upon any Prohibited Transfer, any accrued and unpaid Interest hereunder shall be automatically cancelled as of the date of such
Prohibited Transfer and, thereafter, this Note shall be deemed to be paid in full and shall be null and void.

 

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(h)          Default
Netting. Notwithstanding anything herein to the contrary, Investor may, at any time on or after the occurrence of any Investor
Note Acceleration, by written notice to the Company, in lieu of making any payment under this Note in cash, Net all, or any part,
of the outstanding obligations under the Series B Note by the cancellation of such portion of the outstanding obligations under
the Series B Note as set forth in such written notice in exchange for the surrender and concurrent cancellation of an equal amount
of Principal hereunder (each, a “Default Netting“). Upon any Default Netting, any accrued and unpaid Interest
hereunder with respect to such portion of Principal being satisfied in such Default Netting shall be automatically cancelled as
of the date of such Default Netting. Each Default Netting shall be effective upon the date the Investor delivers notice to the
Company of the Investor's election to effect such Netting. 

 

(i)           Investor
Netting Rights; Single Integrated Transaction. The Company hereby acknowledges and agrees that (i) the Investor shall be entitled
to exercise the Investor Netting Rights through any means permissible under applicable law, including without limitation, set-off
and Netting and (ii) the Obligations of the Investor hereunder and the obligations of the Company under the Series B Note issued
pursuant to the Securities Purchase Agreement arise in a single integrated transaction and constitute related and interdependent
obligations within such transaction.

 

8.            Miscellaneous.

 

(a)          Full
Recourse. The parties hereby acknowledge and agree that this Note is a full recourse obligation of the Investor.

 

(b)          No
Oral Waivers or Modifications. No provision of this Note may be waived or modified orally, but only in a writing signed by
the Company and the Investor.

 

(c)          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. Each party hereto hereby irrevocably submits
to the exclusive jurisdiction of the state and federal courts sitting in the Borough of Manhattan in the City of New York, New
York, 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. EACH PARTY HERETO 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.

 

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(d)          No
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 or other similar authority (a “Severability Event”), this entire Note shall
be automatically terminated and shall thereafter be null and void and all remaining payment obligations hereunder of the Investor
to the Company shall be automatically cancelled, ab initio.

 

 

(e)          Currency.
Principal and interest due hereunder shall be payable in lawful money of the United States of America and shall be payable to the
Company at the address of the Company, or at such other address as may be specified in a written notice to the Investor given by
the Company. The Company has provided the Investor with wire transfer instructions pursuant to which payments may be made under
this Note and such wire transfer instruction shall be valid for the entire period of this Note.

 

(f)          Weekend;
Holidays. If any payment on this Note shall become due on a Saturday,
Sunday or a bank or legal holiday in the State of New York, such payment shall be made on the next succeeding business day in
the State of New York.

 

(g)          Usury.
If interest payable under this Note is in excess of the maximum permitted by law, the interest chargeable hereunder shall be reduced
to the maximum amount permitted by law and any excess over the maximum amount permitted by law shall be credited to the Principal
balance of this Note and applied to the same and not to the payment of Interest.

 

(h)          Remedies.

 

(i)          No
failure on the part of the Company 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 Company 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 Company at law or equity or under this Note shall not be deemed to be an election of Company’s rights or remedies
under this Note or at law or equity.

 

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(ii)         No
failure on the part of the Investor to exercise, and no delay in exercising, any right, power or remedy hereunder (including, without
limitation, any Netting permitted hereunder) shall operate as a waiver thereof; nor shall any single or partial exercise by the
Investor of any right, power or remedy preclude any other or further exercise thereof or the exercise of any other right, power
or remedy. The remedies herein provided are cumulative and are not exclusive of any remedies provided by law. In addition, the
exercise of any right or remedy of the Investor at law or equity or under this Note shall not be deemed to be an election of Investor’s
rights or remedies under this Note or at law or equity.

 

 

(i)          Waiver
of Presentment. The Investor hereby waives presentment, diligence, protest and demand, notice of protest, demand and dishonor
and nonpayment of this Note. 

 

[Signature Page Follows]

 

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IN WITNESS WHEREOF,
this Note has been executed as of the date first written above.

 

	 	INVESTOR
	 	 	 
	 	By:	 
	 	 	Name:
	 	 	Title:

 

Agreed and accepted as of

this ninth day of April, 2018 by:

 

REAL GOODS SOLAR, INC.

 

	By:  	/s/ Dennis Lacey	 
	 	Name:  Dennis Lacey	 
	 	Title:  Chief Executive Officer	 

 

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Schedule I

 

Collateral Account

 

Bank:

Bank Address:

Account Number:

Account Name: 

 

     

     

    

 

Schedule II

 

Permitted Financial Institutions

 

Pershing LLC or any of their affiliates

HSBC NA, or any of their affiliates

BNP Paribas, or any of their affiliates

UBS AG or any of their affiliates

Citibank NA or any of their affiliates

Bank of America Merrill Lynch or any of their affiliates

Deutsche Bank, AG or any of their affiliates

Fidelity Investments, FMR LLC or any of their affiliates

Morgan Stanley or any of their affiliates

First Republic Bank or any of their affiliates

 

     

     

    

 

[Note to Exhibit 4.4 to Current Report
on Form 8-K]

 

On April 9, 2018, each Investor issued
substantially identical but separate Secured Promissory Notes in the form of the preceding Secured Promissory Note to the Company
with the terms described below:

 

	[INVESTOR]	 	[PRINCIPAL]	 	 	[SERIES B PRINCIPAL]	 
	Alto Opportunity Master Fund, SPC - Segregated Master Portfolio B	 	$	3,500,000	 	 	$	3,500,000	 
	Hudson Bay Master Fund LTD	 	$	1,500,000	 	 	$	1,500,000Exhibit
4.5

 

NEITHER
THE ISSUANCE AND SALE OF THE SECURITIES REPRESENTED BY THIS CERTIFICATE NOR THE SECURITIES INTO WHICH THESE SECURITIES ARE EXERCISABLE
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. THE NUMBER OF SHARES OF COMMON STOCK
ISSUABLE UPON EXERCISE OF THIS WARRANT MAY BE LESS THAN THE AMOUNTS SET FORTH ON THE FACE HEREOF PURSUANT TO SECTION 1(a)
OF THIS WARRANT.

 

Real Goods Solar, Inc.

 

Warrant To Purchase Common
Stock

 

Warrant No.: WPA9-[#]

 

Date of Issuance: April 9, 2018 (“Issuance
Date”)

 

Real Goods Solar, Inc.,
a Colorado corporation (the “Company”), hereby certifies that, for good and valuable consideration, the receipt
and sufficiency of which are hereby acknowledged, [WestPark Capital, Inc.], the registered holder hereof or its permitted assigns
(the “Holder”), is entitled, subject to the terms set forth below, to purchase from the Company, at the Exercise
Price (as defined below) then in effect, upon exercise of this Warrant to Purchase Common Stock (including any Warrants to Purchase
Common Stock issued in exchange, transfer or replacement hereof, the “Warrant”), at any time or times on or
after the Issuance Date, but not after 11:59 p.m., New York time, on the Expiration Date (as defined below), [730,159] (subject
to adjustment as provided herein) fully paid and non-assessable shares of Common Stock (as defined below) (the “Warrant
Shares”, and such number of Warrant Shares, the “Warrant Number”). Except as otherwise defined herein,
capitalized terms in this Warrant shall have the meanings set forth in Section 17. This Warrant is one of the Warrants to
Purchase Common Stock (the “PA Warrants”) issued pursuant to the engagement letter, dated January 29, 2018,
by and between the Company and WestPark Capital, Inc.

 

     

     

    

 

1.            EXERCISE
OF WARRANT.

 

(a)           Mechanics
of Exercise. Subject to the terms and conditions hereof (including, without limitation, the limitations set forth in Section 1(f)),
this Warrant may be exercised by the Holder on any day on or after the Issuance Date (an “Exercise Date”), in
whole or in part, by delivery (whether via facsimile or otherwise) of a written notice, in the form attached hereto as Exhibit
A (the “Exercise Notice”), of the Holder’s election to exercise this Warrant. Within one (1) Trading
Day following an exercise of this Warrant as aforesaid, the Holder shall deliver payment to the Company of an amount equal to the
Exercise Price in effect on the date of such exercise multiplied by the number of Warrant Shares as to which this Warrant was so
exercised (the “Aggregate Exercise Price”) in cash or via wire transfer of immediately available funds if the
Holder did not notify the Company in such Exercise Notice that such exercise was made pursuant to a Cashless Exercise (as defined
in Section 1(d)). The Holder shall not be required to deliver the original of this Warrant in order to effect an exercise
hereunder. Execution and delivery of an Exercise Notice with respect to less than all of the Warrant Shares shall have the same
effect as cancellation of the original of this Warrant and issuance of a new Warrant evidencing the right to purchase the remaining
number of Warrant Shares. Execution and delivery of an Exercise Notice for all of the then-remaining Warrant Shares shall have
the same effect as cancellation of the original of this Warrant after delivery of the Warrant Shares in accordance with the terms
hereof. On or before the first (1st) Trading Day following the date on which the Company has received an Exercise Notice,
the Company shall transmit by facsimile or electronic mail the transfer agent instructions and representation as to whether such
shares of Common Stock may then be resold pursuant to (A) an effective and available registration statement, (B) Rule 144 (as defined
in the Securities Purchase Agreement) if the Holder indicates on the applicable Exercise Notice that the shares of Common Stock
issuable in connection with such Exercise Notice are being resold either (x) prior to, (y) contemporaneously with, or (z) within
ten (10) Trading Days after, as applicable, the date of the applicable Conversion Notice by the Holder, or (C) Rule 144 without
having to comply with the information requirements under Rule 144(c)(1) (each, a “Permitted Securities Transaction”),
in the form attached hereto as Exhibit B, to the Holder and the Company’s transfer agent (the “Transfer
Agent”), which shall instruct the Transfer Agent to process such Exercise Notice in accordance with the terms herein.
On or before the second (2nd) Trading Day following the date on which the Company has received such Exercise 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 of such Warrant
Shares initiated on the applicable Exercise Date), the Company shall (X) provided that the Transfer Agent is participating in The
Depository Trust Company (“DTC”) Fast Automated Securities Transfer Program and such shares of Common Stock
may then be resold by the Holder pursuant to a Permitted Securities Transaction, credit such aggregate number of shares of Common
Stock to which the Holder is entitled pursuant to such exercise to the Holder’s or its designee’s balance account with
DTC through its Deposit/Withdrawal at Custodian system, or (Y) if the Transfer Agent is not participating in the DTC Fast Automated
Securities Transfer Program or such shares of Common Stock may not then be resold by the Holder pursuant to a Permitted Securities
Transaction, issue and deliver (via reputable overnight courier) to the address as specified in the Exercise 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 exercise. Upon delivery of an Exercise Notice, the Holder shall be deemed for all corporate purposes to have become
the holder of record of the Warrant Shares with respect to which this Warrant has been exercised, irrespective of the date such
Warrant Shares are credited to the Holder’s DTC account or the date of delivery of the certificates evidencing such Warrant
Shares (as the case may be). If this Warrant is submitted in connection with any exercise pursuant to this Section 1(a) and
the number of Warrant Shares represented by this Warrant submitted for exercise is greater than the number of Warrant Shares being
acquired upon an exercise and upon surrender of this Warrant to the Company by the Holder, then, at the request of the Holder,
the Company shall as soon as practicable and in no event later than two (2) Business Days after any exercise and at its own expense,
issue and deliver to the Holder (or its designee) a new Warrant (in accordance with Section 7(d)) representing the right to
purchase the number of Warrant Shares purchasable immediately prior to such exercise under this Warrant, less the number of Warrant
Shares with respect to which this Warrant is exercised. No fractional shares of Common Stock are to be issued upon the exercise
of this Warrant, but rather the number of shares of Common Stock to be issued shall be rounded up to the nearest whole number.
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) that may be payable with respect to the issuance and delivery of Warrant Shares upon exercise
of this Warrant. Notwithstanding the foregoing, except in the case where an exercise of this Warrant is validly made pursuant to
a Cashless Exercise), the Company’s failure to deliver Warrant Shares to the Holder on or prior to the later of ((i) two
(2) Trading Days after receipt of the applicable Exercise 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 of such Warrant Shares initiated on the applicable Exercise
Date) and (ii) one (1) Trading Day after the Company’s receipt of the Aggregate Exercise Price (or valid notice of a Cashless
Exercise (such later date, the “Share Delivery Date”) shall not be deemed to be a breach of this Warrant. From
the Issuance Date through and including the Expiration Date, the Company shall maintain a transfer agent that participates in the
DTC’s Fast Automated Securities Transfer Program.

 

    	 	2	 

     

    

 

(b)          Exercise
Price. For purposes of this Warrant, “Exercise Price” means $1.12, subject to adjustment as provided herein.

 

(c)           Company’s
Failure to Timely Deliver Securities. If the Company shall fail, for any reason or for no reason, on or prior to the Share
Delivery Date, either (I) if the Transfer Agent is not participating in the DTC Fast Automated Securities Transfer Program or such
applicable shares of Common Stock may not then be resold by the Holder pursuant to a Permitted Securities Transaction, to credit
the balance account of the Holder or the Holder’s designee with DTC for such number of Warrant Shares to which the Holder
is entitled upon the Holder’s exercise of this Warrant (as the case may be) or (II) if a Registration Statement covering
the resale of the Warrant Shares that are the subject of the Exercise Notice (the “Unavailable Warrant Shares”)
is not available for the resale of such Unavailable Warrant Shares and the Company fails to promptly, but in no event later than
as required pursuant to the Registration Rights Agreement (x) so notify the Holder and (y) deliver the Warrant Shares electronically
without any restrictive legend by crediting such aggregate number of Warrant Shares to which the Holder is entitled pursuant to
such exercise 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 “Delivery Failure”), then, in addition to all other
remedies available to the Holder, (X) the Company shall pay in cash to the Holder on each day after the Share Delivery Date and
during such Delivery Failure an amount equal to 1.25% 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 Date 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
Exercise Date and ending on the applicable Share Delivery Date, and (Y) the Holder, upon written notice to the Company, may void
its Exercise Notice with respect to, and retain or have returned, as the case may be, any portion of this Warrant that has not
been exercised pursuant to such Exercise Notice; provided that the voiding of an Exercise 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 1(c) or otherwise.
In addition to the foregoing, if on or prior to the Share Delivery Date either (I) the Transfer Agent is not participating in the
DTC Fast Automated Securities Transfer Program or such applicable shares of Common Stock may not then be resold by the Holder pursuant
to a Permitted Securities Transaction, the Company shall fail to issue and deliver to the Holder (or its designee) a certificate
and register such shares of Common Stock on the Company’s share register or, if the Transfer Agent is participating in the
DTC Fast Automated Securities Transfer Program and such applicable shares of Common Stock may then be resold by the Holder pursuant
to a Permitted Securities Transaction, the Transfer Agent shall fail to credit the balance account of the Holder or the Holder’s
designee with DTC for the number of shares of Common Stock to which the Holder is entitled upon the Holder’s exercise hereunder
or pursuant to the Company’s obligation pursuant to clause (ii) below or (II) a Notice Failure occurs, and if on or after
such Share Delivery Date 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 exercise that the Holder is entitled to receive
from the Company and has not received from the Company in connection with such Delivery 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 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 Warrant Shares to which the Holder is entitled upon the Holder’s exercise hereunder (as the case
may be) (and to issue such Warrant Shares) shall terminate, or (ii) promptly honor its obligation to so issue and deliver to the
Holder a certificate or certificates representing such Warrant Shares or credit the balance account of such Holder or such Holder’s
designee, as applicable, with DTC for the number of Warrant Shares to which the Holder is entitled upon the Holder’s exercise
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 (A) such number of Warrant Shares multiplied by (B) the lowest Closing Sale Price of the Common Stock on any Trading
Day during the period commencing on the date of the applicable Exercise 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 exercise of this Warrant as required pursuant to the
terms hereof. In addition to the foregoing rights, (i) if the Company fails to deliver the applicable number of Warrant Shares
upon an exercise pursuant to Section 1 by the applicable Share Delivery Date, then the Holder shall have the right to rescind such
exercise in whole or in part and retain and/or have the Company return, as the case may be, any portion of this Warrant that has
not been exercised pursuant to such Exercise Notice; provided that the rescission of an exercise shall not affect the Company’s
obligation to make any payments that have accrued prior to the date of such notice pursuant to this Section 1(c) or otherwise,
and (ii) if a registration statement covering the issuance or resale of the Warrant Shares that are subject to an Exercise Notice
is not available for the issuance or resale, as applicable, of such Exercise Notice Warrant Shares and the Holder has submitted
an Exercise Notice prior to receiving notice of the non-availability of such registration statement and the Company has not already
delivered the Warrant Shares underlying such Exercise Notice electronically without any restrictive legend by crediting such aggregate
number of Warrant Shares to which the Holder is entitled pursuant to such exercise to the Holder’s or its designee’s
balance account with DTC through its Deposit / Withdrawal At Custodian system, the Holder shall have the option, by delivery of
notice to the Company, to (x) rescind such Exercise Notice in whole or in part and retain or have returned, as the case may be,
any portion of this Warrant that has not been exercised pursuant to such Exercise Notice; provided that the rescission of an Exercise
Notice shall not affect the Company’s obligation to make any payments that have accrued prior to the date of such notice
pursuant to this Section 1(c) or otherwise, and/or (y) switch some or all of such Exercise Notice from a cash exercise to a Cashless
Exercise.

 

    	 	3	 

     

    

 

(d)          Cashless
Exercise. Notwithstanding anything contained herein to the contrary (other than Section 1(f) below), the Holder may, in
its sole discretion, exercise this Warrant with respect to such number of Warrant Shares, in lieu of making the cash payment otherwise
contemplated to be made to the Company upon such exercise in payment of the Aggregate Exercise Price, elect instead to receive
upon such exercise the “Net Number” of Warrant Shares determined according to the following formula (a “Cashless
Exercise”):

 

Net Number
= (A x B) - (A x C)

D

 

For purposes
of the foregoing formula:

 

A= the total number of shares with
respect to which this Warrant is then being exercised.

 

B = the quotient of (x) the sum
of the VWAP of the Common Stock of each of the twenty (20) Trading Days ending at the close of business on the Principal Market
immediately prior to the time of exercise as set forth in the applicable Exercise Notice, divided by (y) twenty (20).

 

C = the
Exercise Price then in effect for the applicable Warrant Shares at the time of such exercise.

 

D = as applicable: (i) the Closing
Sale Price of the Common Stock on the Trading Day immediately preceding the date of the applicable Exercise Notice if such Exercise
Notice is (1) both executed and delivered pursuant to Section 1(a) hereof on a day that is not a Trading Day or (2) both executed
and delivered pursuant to Section 1(a) hereof on a Trading Day prior to the opening of “regular trading hours”
(as defined in Rule 600(b)(64) of Regulation NMS promulgated under the federal securities laws) on such Trading Day, (ii) the Bid
Price of the Common Stock as of the time of the Holder’s execution of the applicable Exercise Notice if such Exercise Notice
is executed during “regular trading hours” on a Trading Day and is delivered within two (2) hours thereafter pursuant
to Section 1(a) hereof, or (iii) the Closing Sale Price of the Common Stock on the date of the applicable Exercise Notice
if the date of such Exercise Notice is a Trading Day and such Exercise Notice is both executed and delivered pursuant to Section 1(a)
hereof after the close of “regular trading hours” on such Trading Day.

 

    	 	4	 

     

    

 

For purposes of Rule
144(d) promulgated under the 1933 Act, as in effect on the Subscription Date, it is intended that the Warrant Shares issued in
a Cashless Exercise shall be deemed to have been acquired by the Holder, and the holding period for the Warrant Shares shall be
deemed to have commenced, on the Issuance Date.

 

(e)          Disputes.
In the case of a dispute as to the determination of the Exercise Price or the arithmetic calculation of the number of Warrant Shares
to be issued pursuant to the terms hereof, the Company shall promptly issue to the Holder the number of Warrant Shares that are
not disputed and resolve such dispute in accordance with Section 13.

 

    	 	5	 

     

    

 

(f)           Limitations
on Exercises.

 

(i)          Beneficial
Ownership. The Company shall not effect the exercise of any portion of this Warrant, and the Holder shall not have the right
to exercise any portion of this Warrant, pursuant to the terms and conditions of this Warrant and any such exercise shall be null
and void and treated as if never made, to the extent that after giving effect to such exercise, the Holder together with the other
Attribution Parties collectively would beneficially own in excess of 4.99% (the “Maximum Percentage”) of the
shares of Common Stock outstanding immediately after giving effect to such exercise. 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 exercise of this Warrant 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) exercise of the remaining, unexercised portion of this Warrant beneficially
owned by the Holder or any of the other Attribution Parties and (B) exercise or conversion of the unexercised or unconverted portion
of any other securities of the Company (including, without limitation, any convertible notes or convertible preferred stock or
warrants, including other PA 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 1(f)(i). For purposes of this Section 1(f)(i),
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 exercise of this Warrant 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 an Exercise 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 (i) notify the Holder in writing of the number of shares
of Common Stock then outstanding and, to the extent that such Exercise Notice would otherwise cause the Holder’s beneficial
ownership, as determined pursuant to this Section 1(f)(i), to exceed the Maximum Percentage, the Holder must notify the Company
of a reduced number of Warrant Shares to be acquired pursuant to such Exercise Notice (the number of shares by which such purchase
is reduced, the “Reduction Shares”) and (ii) as soon as reasonably practicable, the Company shall return to
the Holder any exercise price paid by the Holder for the Reduction Shares. 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 Warrant, 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 exercise of this Warrant 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. As soon as reasonably practicable after the issuance of the Excess Shares has been deemed null and void, the
Company shall return to the Holder the exercise price paid by the Holder for 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 PA Warrants 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 Warrant 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 exercise this Warrant pursuant to this paragraph shall have any effect on the applicability
of the provisions of this paragraph with respect to any subsequent determination of exercisability. The provisions of this paragraph
shall be construed and implemented in a manner otherwise than in strict conformity with the terms of this Section 1(f)(i) 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 1(f)(i) 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 Warrant.

 

    	 	6	 

     

    

 

(ii)         Investor
Prepayment Limitations. Notwithstanding any provision of this Warrant to the contrary, no more than the Maximum Eligibility
Number of Warrant Shares shall be exercisable hereunder.

 

(g)          Reservation
of Shares.

 

(i)          Required
Reserve Amount. So long as this Warrant remains outstanding, the Company shall at all times keep reserved for issuance under
this Warrant a number of shares of Common Stock at least equal to 200% of the maximum number of shares of Common Stock as shall
be necessary to satisfy the Company’s obligation to issue shares of Common Stock under the PA Warrants then outstanding (without
regard to any limitations on exercise) (the “Required Reserve Amount”); provided that at no time shall the number
of shares of Common Stock reserved pursuant to this Section 1(g)(i) be reduced other than proportionally in connection with any
exercise or redemption of PA Warrants or such other event covered by Section 2(a) below. 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 PA
Warrants based on number of shares of Common Stock issuable upon exercise of PA Warrants held by each holder on the Closing Date
(without regard to any limitations on exercise) 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 PA Warrants,
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 PA Warrants shall be allocated to the remaining holders of
PA Warrants, pro rata based on the number of shares of Common Stock issuable upon exercise of the PA Warrants then held by such
holders (without regard to any limitations on exercise).

 

(ii)         Insufficient
Authorized Shares. If, notwithstanding Section 1(g)(i) above, and not in limitation thereof, at any time while any of the PA
Warrants remain outstanding, the Company does not have a sufficient number of authorized and unreserved shares of Common Stock
to satisfy its obligation to reserve 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 all the PA Warrants 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 upon an exercise of
this Warrant 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 “Authorization Failure Shares”),
in lieu of delivering such Authorization Failure Shares to the Holder, the Company shall pay cash in exchange for the cancellation
of such portion of this Warrant exercisable into such Authorization Failure Shares at a price equal to the sum of (i) the product
of (x) such number of Authorization 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 Exercise Notice with respect to such Authorization
Failure Shares to the Company and ending on the date of such issuance and payment under this Section 1(g)(ii); 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 Authorization Failure Shares, any Buy-In Payment Amount, brokerage commissions and other out-of-pocket expenses,
if any, of the Holder incurred in connection therewith.

 

    	 	7	 

     

    

 

2.            ADJUSTMENT
OF EXERCISE PRICE AND NUMBER OF WARRANT SHARES. The
Exercise Price and number of Warrant Shares issuable upon exercise of this Warrant are subject to adjustment from time to time
as set forth in this Section 2.

 

(a)          Stock
Dividends and Splits. Without limiting any provision of Section 2(b) or Section 4, if the Company, at any time on
or after the Subscription Date, (i) pays a stock dividend on one or more classes of its then outstanding shares of Common Stock
or otherwise makes a distribution on any class of capital stock that is payable in shares of Common Stock, (ii) subdivides (by
any stock split, stock dividend, recapitalization or otherwise) one or more classes of its then outstanding shares of Common Stock
into a larger number of shares or (iii) combines (by combination, reverse stock split or otherwise) one or more classes of its
then outstanding shares of Common Stock into a smaller number of shares, then in each such case the Exercise Price shall be multiplied
by a fraction of which the numerator shall be the number of shares of Common Stock outstanding immediately before such event and
of which the denominator shall be the number of shares of Common Stock outstanding immediately after such event. Any adjustment
made pursuant to clause (i) of this paragraph shall become effective immediately after the record date for the determination of
stockholders entitled to receive such dividend or distribution, and any adjustment pursuant to clause (ii) or (iii) of this paragraph
shall become effective immediately after the effective date of such subdivision or combination. If any event requiring an adjustment
under this paragraph occurs during the period that an Exercise Price is calculated hereunder, then the calculation of such Exercise
Price shall be adjusted appropriately to reflect such event.

 

(b)          Adjustment
Upon Issuance of Shares of Common Stock. If and whenever on or after the Subscription Date, the Company issues or sells, or
in accordance with this Section 2 is deemed to have 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 issued
or sold or deemed to have been issued or sold) for a consideration per share (the “New Issuance Price”) less
than a price equal to the Exercise Price in effect immediately prior to such issuance or sale or deemed issuance or sale (such
Exercise Price then in effect is referred to herein as the “Applicable Price”) (the foregoing a “Dilutive
Issuance”), then immediately after such Dilutive Issuance, the Exercise 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 Exercise Price
after giving effect to this Section 2 and the New Issuance Price under this Section 2(b)), the following shall be applicable:

 

    	 	8	 

     

    

 

(i)          Issuance
of Options. If the Company in any manner grants or sells 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 or sale of such Option for such price per share. For purposes of this Section 2(b)(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 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) with respect to any one share
of Common Stock upon the granting 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 Exercise Price shall be made upon the actual issuance of such shares 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.

 

(ii)         Issuance
of Convertible Securities. If the Company in any manner issues or sells 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 of such Convertible Securities for such price
per share. For the purposes of this Section 2(b)(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 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) with respect to any one share of Common
Stock upon the issuance or sale 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 Exercise 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 the Exercise Price has been or is to be made pursuant
to other provisions of this Section 2(b), except as contemplated below, no further adjustment of the Exercise Price shall
be made by reason of such issuance or sale.

 

    	 	9	 

     

    

 

(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 2(a)),
the Exercise Price in effect at the time of such increase or decrease shall be adjusted to the Exercise 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 2(b)(iii), if the terms of 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 2(b) shall be made
if such adjustment would result in an increase of the Exercise Price then in effect.

 

(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 Holder, the “Primary
Security”, and such Option and/or Convertible Security and/or Adjustment Right, the “Secondary Securities”,
and together with the Primary Security, each a “Unit”), 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 lower of (x) the purchase price of such Unit, (y) if such Primary Security is an Option and/or Convertible
Security, the lowest price per share for which one share of Common Stock is at any time issuable upon the exercise or conversion
of the Primary Security in accordance with Section 2(a)(i) and 2(a)(ii) above and (z) the lowest VWAP of the Common Stock of any
Trading Day during the five (5) Trading Day period commencing on and including the later of (I) the Trading Day immediately following
the public announcement of such Dilutive Issuance and (II) solely if such Primary Security and Secondary Security are issued in
a private placement by the Company, the Trading Day any shares of Common Stock issuable upon conversion, exercise or exchange of
such Primary Security, Secondary Security and/or Unit, as applicable, is initially able to be resold by a non-affiliate of the
Company pursuant to Rule 144 (or, if earlier, the effective date of a registration statement registering for resale any shares
of Common Stock issuable upon conversion, exercise or exchange of such Primary Security, Secondary Security and/or Unit). 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 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 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 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 Holder. 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 Holder. 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.

 

(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).

 

    	 	10	 

     

    

 

(c)          Number
of Warrant Shares. Simultaneously with any adjustment to the Exercise Price pursuant to Section 2(a) above, the number
of Warrant Shares that may be purchased upon exercise of this Warrant shall be increased or decreased proportionately, so that
after such adjustment the aggregate Exercise Price payable hereunder for the adjusted number of Warrant Shares shall be the same
as the aggregate Exercise Price in effect immediately prior to such adjustment (without regard to any limitations on exercise contained
herein).

 

(d)          Holder’s
Right of Alternative Exercise Price Following Issuance of Certain Options or Convertible Securities. In addition to and not
in limitation of the other provisions of this Section 2, 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 facsimile
and overnight courier to the Holder on the date of such agreement and the issuance of such 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 Exercise Price upon exercise of
this Warrant by designating in the Exercise Notice delivered upon any exercise of this Warrant that solely for purposes of such
exercise the Holder is relying on the Variable Price rather than the Exercise Price then in effect. The Holder’s election
to rely on a Variable Price for a particular exercise of this Warrant shall not obligate the Holder to rely on a Variable Price
for any future exercises of this Warrant.

 

(e)          Stock
Combination Event Adjustment. If at any time and from time to time on or after the Issuance 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 Exercise Price then in effect (after giving effect to the adjustment in clause 2(a) above), then on the
sixteenth (16th) Trading Day immediately following such Stock Combination Event, the Exercise Price then in effect on such sixteenth
(16th) Trading Day (after giving effect to the adjustment in clause 2(a) 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 Exercise Price hereunder, no adjustment shall be made.

 

(f)           Other
Events. In the event that the Company (or any Subsidiary (as defined in the Securities Purchase Agreement)) 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 2 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 Exercise Price and the number of Warrant Shares (if applicable) so as to protect the rights of the Holder, provided that
no such adjustment pursuant to this Section 2(f) will increase the Exercise Price or decrease the number of Warrant Shares as otherwise
determined pursuant to this Section 2, 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.

 

    	 	11	 

     

    

 

(g)          Calculations.
All calculations under this Section 2 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 issuance or sale of Common
Stock.

 

(h)          Voluntary
Adjustment By Company. The Company may at any time during the term of this Warrant, subject to the approval of the Principal
Market and with the prior written consent of the Required Holders (as defined in the Securities Purchase Agreement), reduce the
then current Exercise Price to any amount and for any period of time deemed appropriate by the board of directors of the Company.

 

(i)           Adjustment
Date Reset. No later than the first Trading Day after the occurrence of each of (i) the later of (x) the Stockholder Approval
Date (as defined in the Securities Purchase Agreement) and (y) the effective date of a registration statement registering for resale
by the Holder of less than all of the shares of Common Stock issued upon conversion of the Notes and Warrants held by the Holder,
(ii) the later of (x) the Stockholder Approval Date and (y) the Applicable Date (as defined in the Securities Purchase Agreement),
and (iii) the Stockholder Approval Date (each, an “Adjustment Date Event”), the Company shall notify the Holder
in writing of the occurrence of such Adjustment Date Event (each, an “Adjustment Date Event Notice”). With respect
to any given Adjustment Date Event, on the tenth (10th) Trading Day immediately following the later of (x) the Company’s
delivery of the applicable Adjustment Date Event Notice to the Holder with respect to such Adjustment Date Event (or, if the Company
fails to provide such Adjustment Date Event Notice to the Holder, upon the Holder’s delivery of written notice to the Company
that the Holder has become aware of the occurrence of such Adjustment Date Event) and (y) the date of occurrence of such Adjustment
Date Event (such later date, each an “Adjustment Date”), if the Exercise Price then in effect is greater than
the Adjusted Exercise Price, on the applicable Adjustment Date the Exercise Price shall automatically adjust to the Adjusted Exercise
Price.

 

(j)           Exercise
Floor Price. No adjustment pursuant to this Section 2 shall cause the Exercise Price to be less than $0.97 (as adjusted for
any stock dividend, stock split, stock combination, reclassification or similar transaction occurring after the date of the Securities
Purchase Agreement) (the “Exercise Floor Price”). Notwithstanding the foregoing, nothing contained in this Section
2(j) shall apply after Shareholder Approval (as defined in the Securities Purchase Agreement) is obtained and any adjustments hereunder
that, but for this Section 2(j), would have occurred prior to the Stockholder Approval Date, shall occur on the Stockholder Approval
Date.

 

    	 	12	 

     

    

 

3.            RIGHTS
UPON DISTRIBUTION OF ASSETS. In addition to any adjustments pursuant to Section 2
above, if the Company shall declare or make any dividend or other distribution of its assets (or rights to acquire its assets)
to 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, options, evidence of indebtedness or any other assets by way of a dividend, spin
off, reclassification, corporate rearrangement, scheme of arrangement or other similar transaction) (a “Distribution”),
at any time after the issuance of this Warrant, then, in each such case, the Holder shall be entitled to participate in such Distribution
to the same extent that the Holder would have participated therein if the Holder had held the number of shares of Common Stock
acquirable upon complete exercise of this Warrant (without regard to any limitations or restrictions on exercise of this Warrant,
including without limitation, the Maximum Percentage) immediately before 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 shares of Common Stock are to be determined for the
participation in such Distribution (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).

 

4.            PURCHASE
RIGHTS; FUNDAMENTAL TRANSACTIONS.

 

(a)           Purchase
Rights. In addition to any adjustments pursuant to Section 2 above, 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 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 exercise of this Warrant (without regard to any limitations
or restrictions on exercise of this Warrant, including without limitation, the Maximum Percentage) immediately before 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, issuance 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 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) to the same extent as if there had been no such limitation).

 

    	 	13	 

     

    

 

(b)          Fundamental
Transactions. 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 Warrant in accordance with the provisions of this Section 4(b)
pursuant to written agreements in form and substance satisfactory to the Holder and approved by the Holder prior to such Fundamental
Transaction, such approval not to be unreasonably withheld, conditioned or delayed, including agreements to deliver to the Holder
in exchange for this Warrant a security of the Successor Entity evidenced by a written instrument substantially similar in form
and substance to this Warrant, including, without limitation, which is exercisable for a corresponding number of shares of capital
stock equivalent to the shares of Common Stock acquirable and receivable upon exercise of this Warrant (without regard to any limitations
on the exercise of this Warrant) prior to such Fundamental Transaction, and with an exercise price which applies the exercise price
hereunder to such shares of capital stock (but taking into account the relative value of the shares of Common Stock pursuant to
such Fundamental Transaction and the value of such shares of capital stock, such adjustments to the number of shares of capital
stock and such exercise price being for the purpose of protecting the economic value of this Warrant immediately prior to the consummation
of such Fundamental Transaction) 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 consummation of each Fundamental Transaction,
the Successor Entity shall succeed to, and be substituted for (so that from and after the date of the applicable Fundamental Transaction,
the provisions of this Warrant 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 Warrant with the same effect
as if such Successor Entity had been named as the Company herein. Upon consummation of each Fundamental Transaction, the Successor
Entity shall deliver to the Holder confirmation that there shall be issued upon exercise of this Warrant at any time after the
consummation of the applicable 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 3 and 4(a) above, which shall continue to be receivable
thereafter)) issuable upon the exercise of this Warrant prior to the applicable Fundamental Transaction, such shares of publicly
traded common stock (or its equivalent) of the Successor Entity (including its Parent Entity) which the Holder would have been
entitled to receive upon the happening of the applicable Fundamental Transaction had this Warrant been exercised immediately prior
to the applicable Fundamental Transaction (without regard to any limitations on the exercise of this Warrant), as adjusted in accordance
with the provisions of this Warrant. Notwithstanding the foregoing, and without limiting Section 1(f) hereof, the Holder may elect,
at its sole option, by delivery of written notice to the Company to waive this Section 4(b) to permit the Fundamental Transaction
without the assumption of this Warrant. In addition to and not in substitution for any other rights hereunder, prior to the consummation
of each 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 insure that the Holder will thereafter have the right to receive upon an exercise of this Warrant at any
time after the consummation of the applicable Fundamental Transaction but prior to the Expiration Date, in lieu of the shares of
the Common Stock (or other securities, cash, assets or other property (except such items still issuable under Sections 3 and
4(a) above, which shall continue to be receivable thereafter)) issuable upon the exercise of the Warrant prior to such Fundamental
Transaction, such shares of stock, securities, cash, assets or any other property whatsoever (including warrants or other purchase
or subscription rights) which the Holder would have been entitled to receive upon the happening of the applicable Fundamental Transaction
had this Warrant been exercised immediately prior to the applicable Fundamental Transaction (without regard to any limitations
on the exercise of this Warrant) (collectively, the “Corporate Event Consideration”). Provision made pursuant
to the preceding sentence shall be in a form and substance reasonably satisfactory to the Holder.

 

    	 	14	 

     

    

 

(c)          Black
Scholes Value.

 

(i)          Change
of Control Rights. Notwithstanding the foregoing and the provisions of Section 4(b) above, at the request of the Holder delivered
at any time commencing on the earliest to occur of (A) the public disclosure of any Change of Control, (B) the consummation of
any Change of Control and (C) the Holder first becoming aware of any Change of Control through the date that is ninety (90) days
after the public disclosure of the consummation of such Change of Control by the Company pursuant to a Current Report on Form 8-K
filed with the SEC, the Company or the Successor Entity (as the case may be) shall exchange this Warrant for consideration equal
to the Black Scholes Value of such portion of this Warrant subject to exchange (collectively, the “Aggregate Black Scholes
Value”) in the form of, at the Company’s election (such election to pay in cash or by delivery of the Rights (as
defined below), a “Consideration Election”), either (I) rights (with a beneficial ownership limitation in the
form of Section 1(f)(i) hereof, mutatis mutandis) (collectively, the “Rights”), convertible in whole, or in
part, at any time, without the requirement to pay any additional consideration, at the option of the Holder, into such Corporate
Event Consideration applicable to such Change of Control equal in value to the Aggregate Black Scholes Value (as determined in
accordance with Section 2(b)(iv) above, but with the aggregate number of Successor Shares (as defined below) issuable upon conversion
of the Rights to be determined in increments of 10% of the portion of the Aggregate Black Scholes Value attributable to such Successor
Shares (the “Successor Share Value Increment”), with the aggregate number of Successor Shares issuable upon
exercise of the Rights with respect to the first Successor Share Value Increment determined based on 95% of the Closing Bid Price
of the Successor Shares on the date the Rights are issued and on each of the nine (9) subsequent Trading Days, in each case, the
aggregate number of additional Successor Shares issuable upon exercise of the Rights shall be determined based upon a Successor
Share Value Increment at 95% of the Closing Bid Price of the Successor Shares in effect for such corresponding Trading Day (such
ten (10) Trading Day period commencing on, and including, the date the Rights are issued, the “Rights Measuring Period”),
or (II) in cash; provided, that the Company shall not consummate a Change of Control if (x) the Corporate Event Consideration includes
share capital or other equity interest (the “Successor Shares”) either in an entity that is not listed on an
Eligible Market or an entity in which the daily share volume for the applicable Successor Shares for each of the twenty (20) Trading
Days prior to the date of consummation of such Change of Control is less than the aggregate number of Successor Shares issuable
to the Holder upon conversion in full of the applicable Rights (without regard to any limitations on conversion therein, assuming
the exercise in full of the Rights on the date of issuance of the Rights and assuming the Closing Bid Price of the Successor Shares
for each Trading Day in the Rights Measuring Period is the Closing Bid Price on the Trading Day ended immediately prior to the
time of consummation of the Change of Control) and (y) the Company shall not have properly elected in accordance with this Section
4(c)(i) to pay the applicable Black Scholes Value to the Holder in cash.  The Company shall give the Holder written notice
of each Consideration Election at least twenty (20) Trading Days prior to the time of consummation of such Change of Control. 
Payment of such amounts or delivery of the Rights, as applicable, shall be made by the Company (or at the Company’s direction)
to the Holder on the later of (x) the second (2nd) Trading Day after the date of such request and (y) the date of consummation
of such Change of Control (or, with respect to any Right, if applicable, such later time that holders of shares of Common Stock
are initially entitled to receive Corporate Event Consideration with respect to the shares of Common Stock of such holder). 
Any Corporate Event Consideration included in the Right, if any, pursuant to this Section 4(c)(i) is pari passu with the Corporate
Event Consideration to be paid to holders of shares of Common Stock and the Company shall not permit a payment of any Corporate
Event Consideration to the holders of shares of Common Stock without on or prior to such time delivering the Right to the Holder
hereunder.

 

    	 	15	 

     

    

 

(ii)         Event
of Default Redemption. Notwithstanding the foregoing and the provisions of Section 4(b) above, at the request of the Holder
delivered at any time after the occurrence of an Event of Default (as defined in the Notes)(assuming for such purpose that the
Notes remain outstanding), the Company or the Successor Entity (as the case may be) shall purchase this Warrant from the Holder
on the date of such request by paying to the Holder cash in an amount equal to the Event of Default Black Scholes Value.

 

(d)          Application.
The provisions of this Section 4 shall apply similarly and equally to successive Fundamental Transactions and Corporate Events
and shall be applied as if this Warrant (and any such subsequent warrants) were fully exercisable and without regard to any limitations
on the exercise of this Warrant (provided that the Holder shall continue to be entitled to the benefit of the Maximum Percentage,
applied however with respect to shares of capital stock registered under the 1934 Act and thereafter receivable upon exercise of
this Warrant (or any such other warrant)).

 

5.            NONCIRCUMVENTION.
The Company hereby covenants and agrees that the Company will not, by amendment of its Articles 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, issuance 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 Warrant, and will at all times in good faith
carry out all the provisions of this Warrant and take all action as may be required to protect the rights of the Holder. Without
limiting the generality of the foregoing, the Company (a) shall not increase the par value of any shares of Common Stock receivable
upon the exercise of this Warrant above the Exercise 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 non-assessable shares of Common Stock upon
the exercise of this Warrant. Notwithstanding anything herein to the contrary, if after the sixty (60) calendar day anniversary
of the Issuance Date, the Holder is not permitted to exercise this Warrant in full for any reason (other than pursuant to restrictions
set forth in Section 1(f) 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 exercise into shares of Common Stock.

 

    	 	16	 

     

    

 

6.            WARRANT
HOLDER NOT DEEMED A STOCKHOLDER. Except as otherwise specifically provided herein, the
Holder, solely in its capacity as a holder of this Warrant, shall not be entitled to vote or receive dividends or be deemed the
holder of share capital of the Company for any purpose, nor shall anything contained in this Warrant be construed to confer upon
the Holder, solely in its capacity as the Holder of this Warrant, any of the rights of a stockholder of the Company or any right
to vote, give or withhold consent to any corporate action (whether any reorganization, issue of stock, reclassification of stock,
consolidation, merger, conveyance or otherwise), receive notice of meetings, receive dividends or subscription rights, or otherwise,
prior to the issuance to the Holder of the Warrant Shares which it is then entitled to receive upon the due exercise of this Warrant.
In addition, nothing contained in this Warrant shall be construed as imposing any liabilities on the Holder to purchase any securities
(upon exercise of this Warrant or otherwise) or as a stockholder of the Company, whether such liabilities are asserted by the
Company or by creditors of the Company. Notwithstanding this Section 6, the Company shall provide the Holder with copies
of the same notices and other information given to the stockholders of the Company generally, contemporaneously with the giving
thereof to the stockholders.

 

7.            REISSUANCE
OF WARRANTS.

 

(a)          Transfer
of Warrant. If this Warrant is to be transferred, the Holder shall surrender this Warrant to the Company, whereupon the Company
will forthwith issue and deliver upon the order of the Holder a new Warrant (in accordance with Section 7(d)), registered
as the Holder may request, representing the right to purchase the number of Warrant Shares being transferred by the Holder and,
if less than the total number of Warrant Shares then underlying this Warrant is being transferred, a new Warrant (in accordance
with Section 7(d)) to the Holder representing the right to purchase the number of Warrant Shares not being transferred.

 

(b)          Lost,
Stolen or Mutilated Warrant. Upon receipt by the Company of evidence reasonably satisfactory to the Company of the loss, theft,
destruction or mutilation of this Warrant (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 Warrant, the
Company shall execute and deliver to the Holder a new Warrant (in accordance with Section 7(d)) representing the right to
purchase the Warrant Shares then underlying this Warrant.

 

(c)          Exchangeable
for Multiple Warrants. This Warrant is exchangeable, upon the surrender hereof by the Holder at the principal office of the
Company, for a new Warrant or Warrants (in accordance with Section 7(d)) representing in the aggregate the right to purchase
the number of Warrant Shares then underlying this Warrant, and each such new Warrant will represent the right to purchase such
portion of such Warrant Shares as is designated by the Holder at the time of such surrender; provided, however, no warrants for
fractional shares of Common Stock shall be given.

 

    	 	17	 

     

    

 

(d)          Issuance
of New Warrants. Whenever the Company is required to issue a new Warrant pursuant to the terms of this Warrant, such new Warrant
(i) shall be of like tenor with this Warrant, (ii) shall represent, as indicated on the face of such new Warrant, the right to
purchase the Warrant Shares then underlying this Warrant (or in the case of a new Warrant being issued pursuant to Section 7(a)
or Section 7(c), the Warrant Shares designated by the Holder which, when added to the number of shares of Common Stock underlying
the other new Warrants issued in connection with such issuance, does not exceed the number of Warrant Shares then underlying this
Warrant), (iii) shall have an issuance date, as indicated on the face of such new Warrant which is the same as the Issuance Date,
and (iv) shall have the same rights and conditions as this Warrant.

 

8.            NOTICES.
Whenever notice is required to be given under this Warrant, unless otherwise provided herein, such notice shall be in writing
and shall be deemed to have been delivered: (a) upon receipt, when delivered personally; (b) upon receipt, when sent by facsimile
(provided confirmation of transmission is mechanically or electronically generated and kept on file by the sending party) or electronic
mail (provided that such sent email is kept on file (whether electronically or otherwise) by the sending party and the sending
party does not receive an automatically generated message from the recipient’s email server that such e-mail could not be
delivered to such recipient); or (c) one (1) Business Day after deposit with an overnight courier service with next day delivery
specified, in each case, properly addressed to the party to receive the same, if sent to, with respect to the Company, RGS Energy,
110 16th Street, Suite 300, Denver, CO 80202, attn.: Chief Executive Officer, (303) 223-9206 or dennis.lacey@rgsenergy.com, or,
with respect to the Holder, WestPark Capital, Inc., 1900 Avenue of the Stars, Suite 310, Los Angeles, CA 90067, attn.: Richard
Rappaport, (310) 843-9300, r@wpcapital,com, or such other address, facsimile number and email address provided by the Company
and the Holder pursuant to this Section 8. The Company shall provide the Holder with prompt written notice of all actions taken
pursuant to this Warrant (other than the issuance of shares of Common Stock upon exercise in accordance with the terms hereof),
including in reasonable detail a description of such action and the reason therefor. Without limiting the generality of the foregoing,
the Company will give written notice to the Holder (i) immediately upon each adjustment of the Exercise Price and the number of
Warrant Shares, setting forth in reasonable detail, and certifying, the calculation of such adjustment(s), (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 shares of Common Stock, (B) with respect to any grants, 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, (iii) at least ten (10)
Trading Days prior to the consummation of any Fundamental Transaction and (iv) within one (1) Business Day of the occurrence of
an Event of Default (as defined in the Notes), setting forth in reasonable detail any material events with respect to such Event
of Default and any efforts by the Company to cure such Event of Default. To the extent that any notice provided hereunder constitutes,
or contains, material, non-public information regarding the Company or any of its Subsidiaries, the Company shall simultaneously
file such notice with the SEC (as defined in the Securities Purchase Agreement) pursuant to a Current Report on Form 8-K. If the
Company or any of its Subsidiaries provides material non-public information to the Holder that is not simultaneously filed in
a Current Report on Form 8-K and the Holder has not agreed to receive such material non-public information, the Company hereby
covenants and agrees that the Holder shall not have any duty of confidentiality to the Company, any of its Subsidiaries or any
of their respective officers, directors, employees, affiliates or agents with respect to, or a duty to any of the foregoing not
to trade on the basis of, such material non-public information. It is expressly understood and agreed that the time of execution
specified by the Holder in each Exercise Notice shall be definitive and may not be disputed or challenged by the Company.

 

    	 	18	 

     

    

 

9.            AMENDMENT
AND WAIVER. Except as otherwise provided herein, the provisions of this Warrant (other
than Section 1(f)(i)) may be amended and the Company may take any action herein prohibited, or omit to perform any act herein
required to be performed by it, only if the Company has obtained the written consent of the Holder. No waiver shall be effective
unless it is in writing and signed by an authorized representative of the waiving party.

 

10.          SEVERABILITY.
If any provision of this Warrant 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 Warrant so long as this Warrant 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).

 

11.          GOVERNING
LAW. This Warrant shall be governed by and construed and enforced in accordance with, and
all questions concerning the construction, validity, interpretation and performance of this Warrant 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 required by Section 13 below, the Company and the Holder each hereby irrevocably waives personal
service of process and consents to process being served in any such suit, action or proceeding by mailing a copy thereof to the
Company and the Holder, as applicable, at the address set forth in Section 8 and agrees that such service shall constitute good
and sufficient service of process and notice thereof. Except as required by Section 13 below, the Company and the Holder each
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 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. THE COMPANY AND THE HOLDER EACH 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 WARRANT OR ANY TRANSACTION CONTEMPLATED HEREBY.

 

    	 	19	 

     

    

 

12.          CONSTRUCTION;
HEADINGS. This Warrant shall be deemed to be jointly drafted by the Company and the Holder
and shall not be construed against any Person as the drafter hereof. The headings of this Warrant are for convenience of reference
and shall not form part of, or affect the interpretation of, this Warrant. Terms used in this Warrant but defined in the other
Transaction Documents (as defined in the Securities Purchase Agreement) shall have the meanings ascribed to such terms on the
Closing Date (as defined in the Securities Purchase Agreement) in such other Transaction Documents unless otherwise consented
to in writing by the Holder.

 

13.          DISPUTE
RESOLUTION.

 

(a)          Submission
to Dispute Resolution.

 

(i)          In
the case of a dispute relating to the Exercise Price, the Adjusted Exercise Price, the Closing Sale Price, the Bid Price, Event
of Default Black Scholes Value, Black Scholes Value or fair market value or the arithmetic calculation of the number of Warrant
Shares (as the case may be) (including, without limitation, a dispute relating to the determination of any of the foregoing), the
Company or the Holder (as the case may be) shall submit the dispute to the other party via facsimile (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 Holder, at any time
after the Holder learned of the circumstances giving rise to such dispute. If the Holder and the Company are unable to promptly
resolve such dispute relating to such Exercise Price, the Adjusted Exercise Price, such Closing Sale Price, such Bid Price, Event
of Default Black Scholes Value, Black Scholes Value or such fair market value or such arithmetic calculation of the number of Warrant
Shares (as the case may be), at any time after the second (2nd) Business Day following such initial notice by the Company
or the Holder (as the case may be) of such dispute to the Company or the Holder (as the case may be), then the Holder may, with
the consent of the Company not to be unreasonably or untimely withheld, select an independent, reputable investment bank to resolve
such dispute.

 

    	 	20	 

     

    

 

(ii)         The
Holder 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 13 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 Holder 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 Holder 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 Holder or otherwise requested by such investment bank, neither the Company
nor the Holder 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).

 

(iii)         The
Company and the Holder shall cause such investment bank to determine the resolution of such dispute and notify the Company and
the Holder 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 and the Holder each expressly acknowledges and agrees that (i) this Section 13 constitutes an agreement to arbitrate
between the Company and the Holder (and constitutes an arbitration agreement) under the rules then in effect under § 7501,
et seq. of the New York Civil Practice Law and Rules (“CPLR”) and that the Company and the Holder each is authorized
to apply for an order to compel arbitration pursuant to CPLR § 7503(a) in order to compel compliance with this Section 13,
(ii) a dispute relating to the Exercise Price includes, without limitation, disputes as to (A) whether an issuance or sale or deemed
issuance or sale of Common Stock occurred under Section 2(b), (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 Warrant 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 (including,
without limitation, determining (A) whether an issuance or sale or deemed issuance or sale of Common Stock occurred under Section
2(b), (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) and in resolving such dispute such investment bank shall apply such findings, determinations and the like to
the terms of this Warrant 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 13 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 13 and (v) nothing in this Section 13
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 13).

 

    	 	21	 

     

    

 

14.          REMEDIES,
CHARACTERIZATION, OTHER OBLIGATIONS, BREACHES AND INJUNCTIVE RELIEF. The remedies provided
in this Warrant shall be cumulative and in addition to all other remedies available under this Warrant, at law or in equity (including
a decree of specific performance and/or other injunctive relief), and nothing herein shall limit the right of the Holder to pursue
actual and consequential damages for any failure by the Company to comply with the terms of this Warrant. 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, exercises 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 of this Warrant 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 Warrant (including, without limitation,
compliance with Section 2 hereof). The issuance of shares and certificates for shares as contemplated hereby upon the exercise
of this Warrant shall be made without charge to the Holder or such shares for any issuance tax or other costs in respect thereof,
provided that the Company shall not be required to pay any tax which may be payable in respect of any transfer involved in the
issuance and delivery of any certificate in a name other than the Holder or its agent on its behalf.

 

15.          PAYMENT
OF COLLECTION, ENFORCEMENT AND OTHER COSTS. If (a) this Warrant 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 Warrant or to enforce the provisions of this Warrant or (b) there occurs any bankruptcy,
reorganization, receivership of the company or other proceedings affecting company creditors’ rights and involving a claim
under this Warrant, 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. 

 

    	 	22	 

     

    

 

16.          TRANSFER.
This Warrant may be offered for sale, sold, transferred or assigned without the consent of the Company, except as may otherwise
be required by all applicable state and federal securities laws. The Holder understands that (a) this Warrant and the Warrant
Shares have not been and are not being registered under the 1933 Act or any state securities laws, and may not be offered for
sale, sold, assigned or transferred unless (i) subsequently registered thereunder, (ii) the Holder shall have delivered to the
Company (if requested by the Company) an opinion of counsel, in a form reasonably acceptable to the Company, to the effect that
such Warrant or Warrant Shares to be sold, assigned or transferred may be sold, assigned or transferred pursuant to an exemption
from such registration, or (iii) the Holder provides the Company with reasonable assurance that such Warrant or Warrant Shares
can be sold, assigned or transferred pursuant to Rule 144; (b) any sale of this Warrant or Warrant Shares made in reliance on
Rule 144 may be made only in accordance with the terms of Rule 144, and further, if Rule 144 is not applicable, any resale of
this Warrant or Warrant Shares under circumstances in which the seller (or the Person through whom the sale is made) may be deemed
to be an underwriter (as that term is defined in the 1933 Act) may require compliance with some other exemption under the 1933
Act or the rules and regulations of the SEC promulgated thereunder; and (c) neither the Company nor any other Person is under
any obligation to register this Warrant or the Warrant Shares under the 1933 Act or any state securities laws or to comply with
the terms and conditions of any exemption thereunder. Notwithstanding the foregoing, this Warrant and the Warrant Shares may be
pledged in connection with a bona fide margin account or other loan or financing arrangement secured by this Warrant or Warrant
Shares and such pledge shall not be deemed to be a transfer, sale or assignment hereunder, and if the Holder effects a pledge
of this Warrant or Warrant Shares, the Holder shall not be required to provide the Company with any notice thereof or otherwise
make any delivery to the Company.

 

17.          CERTAIN
DEFINITIONS. For purposes of this Warrant, 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)          “Adjusted
Exercise Price” means, with respect to any given Adjustment Date, the greater of (i) the Floor Price and (ii) 75% of
the quotient determined by dividing (x) the sum of the VWAP of the Common Stock for each of the two (2) lowest Trading Days during
the ten (10) consecutive Trading Day period (the “Adjusted Exercise Measuring Period”) ending and including
the applicable Adjustment Date, divided by (y) two (2). All such determinations pursuant to clause (ii) in the preceding sentence
shall be appropriately adjusted for any stock dividend, stock split, stock combination, recapitalization or other similar transaction
during such Adjusted Exercise Measuring Period.

 

(d)          “Adjusted
Share Amount” means, with respect to any given Investor Prepayment (as defined in the Series B Note) at a corresponding
Investor Prepayment Time, an amount equal to 50% of the quotient of (i) 115% of the aggregate amount of Restricted Principal (as
defined in the Series B Note (as defined in the Securities Purchase Agreement)) becoming Unrestricted Principal (as defined in
the Series B Note) divided by (ii) the initial Conversion Price of the Notes as of the Closing Date (as defined in the Securities
Purchase Agreement) (as adjusted for stock splits, stock dividends, stock combinations, recapitalizations and similar events).

 

    	 	23	 

     

    

 

(e)          “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 2) of shares of Common Stock (other than rights of the type
described in Section 3 and 4 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).

 

(f)           “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.

 

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

 

(h)          “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.

 

(i)           “Bid
Price” means, for any security as of the particular time of determination, the bid price for such security on the Principal
Market as reported by Bloomberg as of such time of determination, or, if the Principal Market is not the principal securities exchange
or trading market for such security, the bid price of such security on the principal securities exchange or trading market where
such security is listed or traded as reported by Bloomberg as of such time of determination, or if the foregoing does not apply,
the bid price of such security in the over-the-counter market on the electronic bulletin board for such security as reported by
Bloomberg as of such time of determination, or, if no bid price is reported for such security by Bloomberg as of such time of determination,
the average of the bid prices of any market makers for such security as reported in the “pink sheets” by OTC Markets
Group Inc. (formerly Pink Sheets LLC) as of such time of determination. If the Bid Price cannot be calculated for a security as
of the particular time of determination on any of the foregoing bases, the Bid Price of such security as of such time of determination
shall be the fair market value as mutually determined by the Company and the Holder. If the Company and the Holder 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 13.
All such determinations shall be appropriately adjusted for any stock dividend, stock split, stock combination or other similar
transaction during such period.

 

    	 	24	 

     

    

 

(j)           “Black
Scholes Value” means the value of the unexercised portion of this Warrant remaining on the date of the Holder’s
request pursuant to Section 4(c)(i), which value is 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 greater of (1) the highest
Closing Sale Price of the Common Stock during the period beginning on the Trading Day immediately preceding the announcement of
the applicable Fundamental Transaction (or the consummation of the applicable Fundamental Transaction, if earlier) and ending on
the Trading Day of the Holder’s request pursuant to Section 4(c)(i) and (2) the sum of the price per share being offered
in cash in the applicable Fundamental Transaction (if any) plus the value of the non-cash consideration being offered in the applicable
Fundamental Transaction (if any), (ii) a strike price equal to the Exercise Price in effect on the date of the Holder’s request
pursuant to Section 4(c)(i), (iii) a risk-free interest rate corresponding to the U.S. Treasury rate for a period equal to
the greater of (1) the remaining term of this Warrant as of the date of the Holder’s request pursuant to Section 4(c)(i)
and (2) the remaining term of this Warrant as of the date of consummation of the applicable Fundamental Transaction or as of the
date of the Holder’s request pursuant to Section 4(c)(i) if such request is prior to the date of the consummation of
the applicable Fundamental Transaction, (iv) a zero cost of borrow and (v) an expected volatility equal to the greater of 100%
and the 30 day volatility obtained from the “HVT” function on Bloomberg (determined utilizing a 365 day annualization
factor) as of the Trading Day immediately following the earliest to occur of (A) the public disclosure of the applicable Fundamental
Transaction, (B) the consummation of the applicable Fundamental Transaction and (C) the date on which the Holder first became aware
of the applicable Fundamental Transaction.

 

(k)          “Bloomberg”
means Bloomberg, L.P.

 

(l)           “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.

 

(m)         “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.

 

    	 	25	 

     

    

 

(n)         
“Closing Sale Price” means, for any security as of any date, the last closing trade price 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 trade price, then the last trade price 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 trade price 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 does not apply, the last trade price of such security in the over-the-counter market
on the electronic bulletin board for such security as reported by Bloomberg, or, if no last trade price is reported for such security
by Bloomberg, the average of the ask prices of any market makers for such security as reported in the “pink sheets”
by OTC Markets Group Inc. (formerly Pink Sheets LLC). If the Closing Sale Price cannot be calculated for a security on a particular
date on any of the foregoing bases, the Closing Sale Price of such security on such date shall be the fair market value as mutually
determined by the Company and the Holder. If the Company and the Holder 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 13. All such determinations shall
be appropriately adjusted for any stock dividend, stock split, stock combination or other similar transaction during such period.

 

(o)          “Common
Stock” means (i) the Company’s shares of common stock, $0.0001 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)          “Eligible
Market” means The New York Stock Exchange, the NYSE American, the Nasdaq Global Select Market, the Nasdaq Global Market
or the Principal Market.

 

(r)           “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) lowest Trading Days during the twenty (20) 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). All such determinations shall be appropriately adjusted for any stock dividend, stock split, stock
combination, recapitalization or other similar transaction during such period.

 

(s)        
“Event of Default Black Scholes Value” means the value of the unexercised portion of this Warrant remaining
on the date of the Holder’s request pursuant to Section 4(c)(ii), which value is 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 highest Closing Sale Price of the Common Stock during the period beginning on the date of the occurrence of the Event of
Default through the date all Events of Default have been cured (assuming for such purpose that the Notes remain outstanding) or,
if earlier, the Trading Day of the Holder’s request pursuant to Section 4(c)(ii), (ii) a strike price equal to the Exercise
Price in effect on the date of the Holder’s request pursuant to Section 4(c)(ii), (iii) a risk-free interest rate corresponding
to the U.S. Treasury rate for a period equal to the greater of (1) the remaining term of this Warrant as of the date of the Holder’s
request pursuant to Section 4(c)(ii) and (2) the remaining term of this Warrant as of the date of the occurrence of such Event
of Default, (iv) a zero cost of borrow and (v) an expected volatility equal to the greater of 100% and the 30 day volatility obtained
from the “HVT” function on Bloomberg (determined utilizing a 365 day annualization factor) as of the Trading Day immediately
following later of (x) the date of the occurrence of such Event of Default and (y) the date of the public announcement of such
Event of Default.

 

    	 	26	 

     

    

 

(t)           “Excluded
Securities” means (i) shares of Common Stock or standard options to purchase Common Stock or other incentive equity awards
issued to directors, officers, consultants 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 1,500,000 shares of the Common Stock (as adjusted for stock splits, stock dividends, stock combinations,
recapitalizations and similar events) 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 the Holder;
(ii) shares of Common Stock issued upon the conversion or exercise of Convertible Securities or Options (other than standard options
to purchase Common Stock or other incentive equity awards issued pursuant to an Approved Stock Plan that are covered by clause
(i) above) issued prior to the Subscription Date, provided that the conversion, exercise or other method of issuance (as the case
may be) of any such Convertible Security or Options (other than standard options to purchase Common Stock or other incentive equity
awards issued pursuant to an Approved Stock Plan that are covered by clause (i) above) is made solely pursuant to the conversion,
exercise or other method of issuance (as the case may be) provisions of such Convertible Security or Options (other than standard
options to purchase Common Stock or other incentive equity awards issued pursuant to an Approved Stock Plan that are covered by
clause (i) above) that were in effect on the date immediately prior to the date of this Agreement, the conversion, exercise or
issuance price of any such Convertible Securities or Options (other than standard options to purchase Common Stock or other incentive
equity awards issued pursuant to an Approved Stock Plan that are covered by clause (i) above) is not lowered (other than automatically
pursuant to the terms thereof that were in effect on the date immediately prior to the date of this Agreement), none of such Convertible
Securities or Options (other than standard options to purchase Common Stock or other incentive equity awards 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
or other incentive equity awards issued pursuant to an Approved Stock Plan that are covered by clause (i) above) are otherwise
materially changed in any manner that adversely affects the Holder; provided that if the Company does not receive any Mandatory
Prepayment (as defined in the Investor Notes (as defined in the Securities Purchase Agreement)) on or prior to the Mandatory Prepayment
Date (as defined in the Investor Note), the Company may reduce the exercise price (solely with respect to cash exercises) of Options
exercisable into up to 3.2 million shares of Common Stock (as adjusted for stock splits, stock dividends, stock combinations, recapitalizations
and similar events) that are outstanding as of the Subscription Date; (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); (iv) the shares of Common Stock issuable upon exercise of the SPA Warrants; provided, that the terms of the
SPA Warrant 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); (v) the shares of Common Stock issuable upon exercise of the PA Warrants;
provided, that the terms of the PA 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); and (vi) the shares of Common Stock
issued pursuant to acquisitions or strategic transactions approved by a majority of the disinterested directors of the Company;
provided that such securities are issued as “restricted securities” (as defined in Rule 144) and carry no registration
rights that require or permit the filing of any registration statement in connection therewith until after the Applicable Date;
and provided further that any such issuance shall only be to a Person (or to the equityholders of a Person) which is, itself or
through its subsidiaries, an operating company or an owner of an asset in a business synergistic with the business of the Company
and shall provide to the Company additional benefits in addition to the investment of funds, but shall not include a transaction
in which the Company is issuing securities primarily for the purpose of raising capital or to an entity whose primary business
is investing in securities.

 

    	 	27	 

     

    

 

(u)          “Expiration
Date” means the date that is the fifth (5th) anniversary of the Issuance Date or, if such date falls on a
day other than a Trading Day or on which trading does not take place on the Principal Market (a “Holiday”),
the next date that is not a Holiday.

 

(v)          “Floor
Price” means $0.194 or such lower price as mutually agreed to by the Company and the Holder (subject to the prior consent
of the Principal Market before the effective date of any such voluntary reduction).

 

(w)         “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 Warrant 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 shareholders of the Company to surrender their shares of Common Stock without approval of
the shareholders 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.

 

    	 	28	 

     

    

 

(x)           “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.

 

(y)          “Investor
Prepayment Time” means, with respect to any given Investor Prepayment (as defined in the Series B Note), the time the
Company receives such Investor Prepayment.

 

(z)           “Maximum
Eligibility Number” means initially [547,620] and shall be increased at each Investor Prepayment Time by an amount equal
to the applicable Adjusted Share Amount; provided, however, that in no event shall the Maximum Eligibility Number exceed [730,159]
(in each case, as adjusted for stock splits, stock dividends, stock combinations, recapitalizations and similar events).

 

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

 

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

 

(cc)        “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.

 

(dd)        “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.

 

(ee)        “Principal
Market” means the Nasdaq Capital Market.

 

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

 

(gg)        “Securities
Purchase Agreement” means the Securities Purchase Agreement, dated as of March 30, 2018, by and among the Company and
the investors referred to therein, as amended from time to time.

 

(hh)        “SPA
Warrants” means the Company’s Series Q Warrants to Purchase Common Stock issued pursuant to the Securities Purchase
Agreement.

 

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

 

(jj)          “Subscription
Date” means March 30, 2018.

 

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

 

(ll)          “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 Holder or (y) with respect to all determinations other than price or trading volume 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.

 

    	 	29	 

     

    

 

(mm)      “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 9:30:01 a.m., New York time, and ending at 4:00:00
p.m., New York time, as reported by Bloomberg through its “HP” function (set to weighted average) 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 9:30:01 a.m., New York time, and ending at 4:00:00 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 sheets” by OTC Markets Group Inc. (formerly Pink Sheets LLC). 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 Holder. If the Company and the Holder 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 13. All such determinations
shall be appropriately adjusted for any stock dividend, stock split, stock combination, recapitalization or other similar transaction
during such period.

 

[signature page follows]

 

    	 	30	 

     

    

 

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

 

	 	REAL GOODS SOLAR, INC.
	 	 
	 	By:	/s/ Dennis Lacey
	 	 	Name: Dennis Lacey
	 	 	Title: Chief Executive Officer

 

     

     

    

 

EXHIBIT A

 

EXERCISE
NOTICE

 

TO
BE EXECUTED BY THE REGISTERED HOLDER TO EXERCISE THIS

WARRANT TO PURCHASE COMMON STOCK

 

REAL GOODS SOLAR,
INC.

 

The undersigned holder
hereby elects to exercise the Warrant to Purchase Common Stock No. WPA9-[#] (the “Warrant”) of Real Goods
Solar, Inc., a Colorado corporation (the “Company”) as specified below. Capitalized terms used herein and not
otherwise defined shall have the respective meanings set forth in the Warrant.

 

1.       Form
of Exercise Price. The Holder intends that payment of the Aggregate Exercise Price shall be made as:

  

		 ̈	a “Cash Exercise” with respect to _________________ Warrant Shares; and/or

 

		 ̈	a “Cashless Exercise” with respect to _______________ Warrant Shares.

 

In the event that the
Holder has elected a Cashless Exercise with respect to some or all of the Warrant Shares to be issued pursuant hereto, the Holder
hereby represents and warrants that (i) this Exercise Notice was executed by the Holder at __________ [a.m.][p.m.] on the date
set forth below and (ii) if applicable, the Bid Price as of such time of execution of this Exercise Notice was $________.

 

 ̈           Check
here if the Warrant Shares to be issued are being resold (or have been resold) in reliance on the exemption from registration provided
by Rule 144 either (x) prior to, (y) contemporaneously with or (z) no later than ten (10) Trading Days after, as applicable, the
date of this Exercise Notice

 

2.       Payment
of Exercise Price. In the event that the Holder has elected a Cash Exercise with respect to some or all of the Warrant Shares
to be issued pursuant hereto, the Holder shall pay the Aggregate Exercise Price in the sum of $___________________ to the Company
in accordance with the terms of the Warrant.

 

3.       Beneficial
Ownership. Notwithstanding anything to the contrary contained herein, this Exercise Notice shall constitute a representation
by the Holder of the Warrant submitting this Exercise Notice that after giving effect to the exercise provided for in this Exercise
Notice, such Holder (together with its Attribution Parties) will not have beneficial ownership (together with the beneficial ownership
of such Person’s Attribution Parties) of a number of shares of the Common Stock which exceeds the Maximum Percentage (as
defined in the Warrant) of the total outstanding shares of the Common Stock of the Company as determined pursuant to the provisions
of Section 1(f)(i) of the Warrant.

 

4.       Delivery
of Warrant Shares. The Company shall deliver to the Holder, or its designee or agent as specified below, __________ shares
of the Common Stock in accordance with the terms of the Warrant. Delivery shall be made to the 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:____________________________	 
	 	 	 
	 	Facsimile:__________________________	 
	 	 	 
	 	E-mail Address:_____________________	 

 

     

     

    

 

EXHIBIT B

 

TRANSFER AGENT INSTRUCTIONS

 

REAL GOODS SOLAR, INC.

 

_________ __, 20__

 

Computershare Trust Company, N.A.

8742 Lucent Blvd. Suite 225

Highlands Ranch, CO 80129

Telephone: (303) 262-0684

Facsimile: (303) 262-0609

 

		Re:	Order to Issue Common Stock of Real Goods Solar, Inc.

 

Ladies and Gentlemen:

 

Reference is made to (A) the engagement
letter, dated as of January 29, 2018, by and between Real Goods Solar, Inc., a Colorado corporation (the “Company”),
and WestPark Capital Inc. (“WestPark”), pursuant to which the Company is issuing to WestPark and certain affiliates
of WestPark (collectively, the “Holders”) warrants to purchase shares of the Common Stock (the “Warrants”);
(B) the exercise notice attached hereto (the “Exercise Notice”); and (C) the attached copy of a written instruction
from the general counsel of the Company (or its outside legal counsel) that (1) a registration statement covering the resale of
the shares of the Common Stock, subject to this letter, has been declared effective by the Securities and Exchange Commission under
the Securities Act of 1933, as amended (the “1933 Act”), (2) the Holders may transfer such shares of the Common
Stock under Rule 144 promulgated under the 1933 Act (“Rule 144”), or (3) the Holders may transfer such shares
of the Common Stock under Rule 144, without having to comply with the information requirements under Rule 144(c)(1).

 

This instruction letter shall serve as
our authorization and direction to you to issue:

 

		·	to the recipient identified under “Issue to” in the applicable Exercise Notice,

		·	in book-entry form,

		·	such number of shares of the Common Stock as set forth under “Delivery of Warrant Shares”
in the Exercise Notice, and

		·	by crediting the designated recipient’s balance account with the Depository Trust Company,
identified in the Exercise Notice under “DTC Participant,” “DTC Number,” and “Account Number,”
through its Deposit Withdrawal at Custodian system.

 

[Signature Page Follows]

 

     

     

    

 

Should you have any
questions concerning this matter, please contact me at (303) 222-8372.

 

	 	Very truly yours,
	 	 
	 	REAL GOODS SOLAR, INC.
	 	 
	 	By:	 
	 	 	Name:
	 	 	Title:

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